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mirror of https://github.com/ezyang/htmlpurifier.git synced 2024-12-22 08:21:52 +00:00

PSR-2 reformatting PHPDoc corrections

With minor corrections.

Signed-off-by: Marcus Bointon <marcus@synchromedia.co.uk>
Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
This commit is contained in:
Marcus Bointon 2013-07-16 13:56:14 +02:00 committed by Edward Z. Yang
parent 19eee14899
commit fac747bdbd
433 changed files with 13302 additions and 6690 deletions

View File

@ -23,15 +23,16 @@ if (version_compare(PHP_VERSION, '5', '>=')) {
class RowTimer extends Benchmark_Timer class RowTimer extends Benchmark_Timer
{ {
var $name; public $name;
function RowTimer($name, $auto = false) { public function RowTimer($name, $auto = false)
{
$this->name = htmlentities($name); $this->name = htmlentities($name);
$this->Benchmark_Timer($auto); $this->Benchmark_Timer($auto);
} }
function getOutput() { public function getOutput()
{
$total = $this->TimeElapsed(); $total = $this->TimeElapsed();
$result = $this->getProfiling(); $result = $this->getProfiling();
$dashes = ''; $dashes = '';
@ -68,7 +69,8 @@ class RowTimer extends Benchmark_Timer
} }
} }
function print_lexers() { function print_lexers()
{
global $LEXERS; global $LEXERS;
$first = true; $first = true;
foreach ($LEXERS as $key => $value) { foreach ($LEXERS as $key => $value) {
@ -78,7 +80,8 @@ function print_lexers() {
} }
} }
function do_benchmark($name, $document) { function do_benchmark($name, $document)
{
global $LEXERS, $RUNS; global $LEXERS, $RUNS;
$config = HTMLPurifier_Config::createDefault(); $config = HTMLPurifier_Config::createDefault();

View File

@ -11,7 +11,8 @@ class ConfigDoc_HTMLXSLTProcessor
*/ */
protected $xsltProcessor; protected $xsltProcessor;
public function __construct($proc = false) { public function __construct($proc = false)
{
if ($proc === false) $proc = new XSLTProcessor(); if ($proc === false) $proc = new XSLTProcessor();
$this->xsltProcessor = $proc; $this->xsltProcessor = $proc;
} }
@ -19,7 +20,8 @@ class ConfigDoc_HTMLXSLTProcessor
/** /**
* @note Allows a string $xsl filename to be passed * @note Allows a string $xsl filename to be passed
*/ */
public function importStylesheet($xsl) { public function importStylesheet($xsl)
{
if (is_string($xsl)) { if (is_string($xsl)) {
$xsl_file = $xsl; $xsl_file = $xsl;
$xsl = new DOMDocument(); $xsl = new DOMDocument();
@ -34,7 +36,8 @@ class ConfigDoc_HTMLXSLTProcessor
* @return string HTML output * @return string HTML output
* @todo Rename to transformToXHTML, as transformToHTML is misleading * @todo Rename to transformToXHTML, as transformToHTML is misleading
*/ */
public function transformToHTML($xml) { public function transformToHTML($xml)
{
if (is_string($xml)) { if (is_string($xml)) {
$dom = new DOMDocument(); $dom = new DOMDocument();
$dom->load($xml); $dom->load($xml);
@ -68,7 +71,8 @@ class ConfigDoc_HTMLXSLTProcessor
* Bulk sets parameters for the XSL stylesheet * Bulk sets parameters for the XSL stylesheet
* @param array $options Associative array of options to set * @param array $options Associative array of options to set
*/ */
public function setParameters($options) { public function setParameters($options)
{
foreach ($options as $name => $value) { foreach ($options as $name => $value) {
$this->xsltProcessor->setParameter('', $name, $value); $this->xsltProcessor->setParameter('', $name, $value);
} }
@ -77,7 +81,8 @@ class ConfigDoc_HTMLXSLTProcessor
/** /**
* Forward any other calls to the XSLT processor * Forward any other calls to the XSLT processor
*/ */
public function __call($name, $arguments) { public function __call($name, $arguments)
{
call_user_func_array(array($this->xsltProcessor, $name), $arguments); call_user_func_array(array($this->xsltProcessor, $name), $arguments);
} }

View File

@ -15,7 +15,8 @@ class FSTools
/** /**
* Returns a global instance of FSTools * Returns a global instance of FSTools
*/ */
static public function singleton() { public static function singleton()
{
if (empty(FSTools::$singleton)) FSTools::$singleton = new FSTools(); if (empty(FSTools::$singleton)) FSTools::$singleton = new FSTools();
return FSTools::$singleton; return FSTools::$singleton;
} }
@ -24,7 +25,8 @@ class FSTools
* Sets our global singleton to something else; useful for overloading * Sets our global singleton to something else; useful for overloading
* functions. * functions.
*/ */
static public function setSingleton($singleton) { public static function setSingleton($singleton)
{
FSTools::$singleton = $singleton; FSTools::$singleton = $singleton;
} }
@ -33,7 +35,8 @@ class FSTools
* @param string $folder Name of folder to create * @param string $folder Name of folder to create
* @note Adapted from the PHP manual comment 76612 * @note Adapted from the PHP manual comment 76612
*/ */
public function mkdirr($folder) { public function mkdirr($folder)
{
$folders = preg_split("#[\\\\/]#", $folder); $folders = preg_split("#[\\\\/]#", $folder);
$base = ''; $base = '';
for($i = 0, $c = count($folders); $i < $c; $i++) { for($i = 0, $c = count($folders); $i < $c; $i++) {
@ -57,7 +60,8 @@ class FSTools
* so that copied files, if PHP, have includes removed * so that copied files, if PHP, have includes removed
* @note Adapted from http://aidanlister.com/repos/v/function.copyr.php * @note Adapted from http://aidanlister.com/repos/v/function.copyr.php
*/ */
public function copyr($source, $dest) { public function copyr($source, $dest)
{
// Simple copy for a file // Simple copy for a file
if (is_file($source)) { if (is_file($source)) {
return $this->copy($source, $dest); return $this->copy($source, $dest);
@ -92,7 +96,8 @@ class FSTools
* ignore hidden files, unreadable files, etc. This function * ignore hidden files, unreadable files, etc. This function
* applies to copyr(). * applies to copyr().
*/ */
public function copyable($file) { public function copyable($file)
{
return true; return true;
} }
@ -131,7 +136,8 @@ class FSTools
/** /**
* Recursively globs a directory. * Recursively globs a directory.
*/ */
public function globr($dir, $pattern, $flags = NULL) { public function globr($dir, $pattern, $flags = NULL)
{
$files = $this->glob("$dir/$pattern", $flags); $files = $this->glob("$dir/$pattern", $flags);
if ($files === false) $files = array(); if ($files === false) $files = array();
$sub_dirs = $this->glob("$dir/*", GLOB_ONLYDIR); $sub_dirs = $this->glob("$dir/*", GLOB_ONLYDIR);
@ -148,7 +154,8 @@ class FSTools
* @warning This function will not work for functions that need * @warning This function will not work for functions that need
* to pass references; manually define a stub function for those. * to pass references; manually define a stub function for those.
*/ */
public function __call($name, $args) { public function __call($name, $args)
{
return call_user_func_array($name, $args); return call_user_func_array($name, $args);
} }

View File

@ -23,7 +23,8 @@ class FSTools_File
* Filename of file you wish to instantiate. * Filename of file you wish to instantiate.
* @note This file need not exist * @note This file need not exist
*/ */
public function __construct($name, $fs = false) { public function __construct($name, $fs = false)
{
$this->name = $name; $this->name = $name;
$this->fs = $fs ? $fs : FSTools::singleton(); $this->fs = $fs ? $fs : FSTools::singleton();
} }
@ -38,27 +39,32 @@ class FSTools_File
* Retrieves the contents of a file * Retrieves the contents of a file
* @todo Throw an exception if file doesn't exist * @todo Throw an exception if file doesn't exist
*/ */
public function get() { public function get()
{
return $this->fs->file_get_contents($this->name); return $this->fs->file_get_contents($this->name);
} }
/** Writes contents to a file, creates new file if necessary */ /** Writes contents to a file, creates new file if necessary */
public function write($contents) { public function write($contents)
{
return $this->fs->file_put_contents($this->name, $contents); return $this->fs->file_put_contents($this->name, $contents);
} }
/** Deletes the file */ /** Deletes the file */
public function delete() { public function delete()
{
return $this->fs->unlink($this->name); return $this->fs->unlink($this->name);
} }
/** Returns true if file exists and is a file. */ /** Returns true if file exists and is a file. */
public function exists() { public function exists()
{
return $this->fs->is_file($this->name); return $this->fs->is_file($this->name);
} }
/** Returns last file modification time */ /** Returns last file modification time */
public function getMTime() { public function getMTime()
{
return $this->fs->filemtime($this->name); return $this->fs->filemtime($this->name);
} }
@ -67,19 +73,22 @@ class FSTools_File
* @note We ignore errors because of some weird owner trickery due * @note We ignore errors because of some weird owner trickery due
* to SVN duality * to SVN duality
*/ */
public function chmod($octal_code) { public function chmod($octal_code)
{
return @$this->fs->chmod($this->name, $octal_code); return @$this->fs->chmod($this->name, $octal_code);
} }
/** Opens file's handle */ /** Opens file's handle */
public function open($mode) { public function open($mode)
{
if ($this->handle) $this->close(); if ($this->handle) $this->close();
$this->handle = $this->fs->fopen($this->name, $mode); $this->handle = $this->fs->fopen($this->name, $mode);
return true; return true;
} }
/** Closes file's handle */ /** Closes file's handle */
public function close() { public function close()
{
if (!$this->handle) return false; if (!$this->handle) return false;
$status = $this->fs->fclose($this->handle); $status = $this->fs->fclose($this->handle);
$this->handle = false; $this->handle = false;
@ -87,37 +96,43 @@ class FSTools_File
} }
/** Retrieves a line from an open file, with optional max length $length */ /** Retrieves a line from an open file, with optional max length $length */
public function getLine($length = null) { public function getLine($length = null)
{
if (!$this->handle) $this->open('r'); if (!$this->handle) $this->open('r');
if ($length === null) return $this->fs->fgets($this->handle); if ($length === null) return $this->fs->fgets($this->handle);
else return $this->fs->fgets($this->handle, $length); else return $this->fs->fgets($this->handle, $length);
} }
/** Retrieves a character from an open file */ /** Retrieves a character from an open file */
public function getChar() { public function getChar()
{
if (!$this->handle) $this->open('r'); if (!$this->handle) $this->open('r');
return $this->fs->fgetc($this->handle); return $this->fs->fgetc($this->handle);
} }
/** Retrieves an $length bytes of data from an open data */ /** Retrieves an $length bytes of data from an open data */
public function read($length) { public function read($length)
{
if (!$this->handle) $this->open('r'); if (!$this->handle) $this->open('r');
return $this->fs->fread($this->handle, $length); return $this->fs->fread($this->handle, $length);
} }
/** Writes to an open file */ /** Writes to an open file */
public function put($string) { public function put($string)
{
if (!$this->handle) $this->open('a'); if (!$this->handle) $this->open('a');
return $this->fs->fwrite($this->handle, $string); return $this->fs->fwrite($this->handle, $string);
} }
/** Returns TRUE if the end of the file has been reached */ /** Returns TRUE if the end of the file has been reached */
public function eof() { public function eof()
{
if (!$this->handle) return true; if (!$this->handle) return true;
return $this->fs->feof($this->handle); return $this->fs->feof($this->handle);
} }
public function __destruct() { public function __destruct()
{
if ($this->handle) $this->close(); if ($this->handle) $this->close();
} }

View File

@ -17,7 +17,8 @@ if (function_exists('spl_autoload_register')) {
spl_autoload_register('__autoload'); spl_autoload_register('__autoload');
} }
} elseif (!function_exists('__autoload')) { } elseif (!function_exists('__autoload')) {
function __autoload($class) { function __autoload($class)
{
return HTMLPurifierExtras::autoload($class); return HTMLPurifierExtras::autoload($class);
} }
} }

View File

@ -7,14 +7,16 @@
class HTMLPurifierExtras class HTMLPurifierExtras
{ {
public static function autoload($class) { public static function autoload($class)
{
$path = HTMLPurifierExtras::getPath($class); $path = HTMLPurifierExtras::getPath($class);
if (!$path) return false; if (!$path) return false;
require $path; require $path;
return true; return true;
} }
public static function getPath($class) { public static function getPath($class)
{
if ( if (
strncmp('FSTools', $class, 7) !== 0 && strncmp('FSTools', $class, 7) !== 0 &&
strncmp('ConfigDoc', $class, 9) !== 0 strncmp('ConfigDoc', $class, 9) !== 0

View File

@ -14,7 +14,8 @@ if (function_exists('spl_autoload_register') && function_exists('spl_autoload_un
spl_autoload_register('__autoload'); spl_autoload_register('__autoload');
} }
} elseif (!function_exists('__autoload')) { } elseif (!function_exists('__autoload')) {
function __autoload($class) { function __autoload($class)
{
return HTMLPurifier_Bootstrap::autoload($class); return HTMLPurifier_Bootstrap::autoload($class);
} }
} }

View File

@ -8,11 +8,13 @@
/** /**
* Purify HTML. * Purify HTML.
* @param $html String HTML to purify * @param string $html String HTML to purify
* @param $config Configuration to use, can be any value accepted by * @param mixed $config Configuration to use, can be any value accepted by
* HTMLPurifier_Config::create() * HTMLPurifier_Config::create()
* @return string
*/ */
function HTMLPurifier($html, $config = null) { function HTMLPurifier($html, $config = null)
{
static $purifier = false; static $purifier = false;
if (!$purifier) { if (!$purifier) {
$purifier = new HTMLPurifier(); $purifier = new HTMLPurifier();

View File

@ -7,7 +7,8 @@
require_once dirname(__FILE__) . '/HTMLPurifier.auto.php'; require_once dirname(__FILE__) . '/HTMLPurifier.auto.php';
function kses($string, $allowed_html, $allowed_protocols = null) { function kses($string, $allowed_html, $allowed_protocols = null)
{
$config = HTMLPurifier_Config::createDefault(); $config = HTMLPurifier_Config::createDefault();
$allowed_elements = array(); $allowed_elements = array();
$allowed_attributes = array(); $allowed_attributes = array();
@ -19,7 +20,6 @@ function kses($string, $allowed_html, $allowed_protocols = null) {
} }
$config->set('HTML.AllowedElements', $allowed_elements); $config->set('HTML.AllowedElements', $allowed_elements);
$config->set('HTML.AllowedAttributes', $allowed_attributes); $config->set('HTML.AllowedAttributes', $allowed_attributes);
$allowed_schemes = array();
if ($allowed_protocols !== null) { if ($allowed_protocols !== null) {
$config->set('URI.AllowedSchemes', $allowed_protocols); $config->set('URI.AllowedSchemes', $allowed_protocols);
} }

View File

@ -55,36 +55,49 @@ class HTMLPurifier
{ {
/** /**
* @var string Version of HTML Purifier * Version of HTML Purifier.
* @type string
*/ */
public $version = '4.5.0'; public $version = '4.5.0';
/** /**
* Constant with version of HTML Purifier * Constant with version of HTML Purifier.
*/ */
const VERSION = '4.5.0'; const VERSION = '4.5.0';
/** /**
* @var HTMLPurifier_Config Global configuration object * Global configuration object.
* @type HTMLPurifier_Config
*/ */
public $config; public $config;
/** /**
* @var HTMLPurifier_Filter[] Array of extra filter objects to run on HTML, * Array of extra filter objects to run on HTML,
* for backwards compatibility * for backwards compatibility.
* @type HTMLPurifier_Filter[]
*/ */
private $filters = array(); private $filters = array();
/** /**
* @var HTMLPurifier Single instance of HTML Purifier * Single instance of HTML Purifier.
* @type HTMLPurifier
*/ */
private static $instance; private static $instance;
protected $strategy, $generator; /**
* @type HTMLPurifier_Strategy_Core
*/
protected $strategy;
/** /**
* @var HTMLPurifier_Context Resultant context of last run purification. * @type HTMLPurifier_Generator
*/
protected $generator;
/**
* Resultant context of last run purification.
* Is an array of contexts if the last called method was purifyArray(). * Is an array of contexts if the last called method was purifyArray().
* @type HTMLPurifier_Context
*/ */
public $context; public $context;
@ -98,12 +111,10 @@ class HTMLPurifier
* The parameter can also be any type that * The parameter can also be any type that
* HTMLPurifier_Config::create() supports. * HTMLPurifier_Config::create() supports.
*/ */
public function __construct($config = null) { public function __construct($config = null)
{
$this->config = HTMLPurifier_Config::create($config); $this->config = HTMLPurifier_Config::create($config);
$this->strategy = new HTMLPurifier_Strategy_Core(); $this->strategy = new HTMLPurifier_Strategy_Core();
} }
/** /**
@ -111,7 +122,8 @@ class HTMLPurifier
* *
* @param HTMLPurifier_Filter $filter HTMLPurifier_Filter object * @param HTMLPurifier_Filter $filter HTMLPurifier_Filter object
*/ */
public function addFilter($filter) { public function addFilter($filter)
{
trigger_error( trigger_error(
'HTMLPurifier->addFilter() is deprecated, use configuration directives' . 'HTMLPurifier->addFilter() is deprecated, use configuration directives' .
' in the Filter namespace or Filter.Custom', ' in the Filter namespace or Filter.Custom',
@ -131,8 +143,8 @@ class HTMLPurifier
* *
* @return string Purified HTML * @return string Purified HTML
*/ */
public function purify($html, $config = null) { public function purify($html, $config = null)
{
// :TODO: make the config merge in, instead of replace // :TODO: make the config merge in, instead of replace
$config = $config ? HTMLPurifier_Config::create($config) : $this->config; $config = $config ? HTMLPurifier_Config::create($config) : $this->config;
@ -170,8 +182,12 @@ class HTMLPurifier
unset($filter_flags['Custom']); unset($filter_flags['Custom']);
$filters = array(); $filters = array();
foreach ($filter_flags as $filter => $flag) { foreach ($filter_flags as $filter => $flag) {
if (!$flag) continue; if (!$flag) {
if (strpos($filter, '.') !== false) continue; continue;
}
if (strpos($filter, '.') !== false) {
continue;
}
$class = "HTMLPurifier_Filter_$filter"; $class = "HTMLPurifier_Filter_$filter";
$filters[] = new $class; $filters[] = new $class;
} }
@ -194,9 +210,12 @@ class HTMLPurifier
// list of un-purified tokens // list of un-purified tokens
$lexer->tokenizeHTML( $lexer->tokenizeHTML(
// un-purified HTML // un-purified HTML
$html, $config, $context $html,
$config,
$context
), ),
$config, $context $config,
$context
) )
); );
@ -218,7 +237,8 @@ class HTMLPurifier
* *
* @return string[] Array of purified HTML * @return string[] Array of purified HTML
*/ */
public function purifyArray($array_of_html, $config = null) { public function purifyArray($array_of_html, $config = null)
{
$context_array = array(); $context_array = array();
foreach ($array_of_html as $key => $html) { foreach ($array_of_html as $key => $html) {
$array_of_html[$key] = $this->purify($html, $config); $array_of_html[$key] = $this->purify($html, $config);
@ -238,7 +258,8 @@ class HTMLPurifier
* *
* @return HTMLPurifier * @return HTMLPurifier
*/ */
public static function instance($prototype = null) { public static function instance($prototype = null)
{
if (!self::$instance || $prototype) { if (!self::$instance || $prototype) {
if ($prototype instanceof HTMLPurifier) { if ($prototype instanceof HTMLPurifier) {
self::$instance = $prototype; self::$instance = $prototype;
@ -262,10 +283,10 @@ class HTMLPurifier
* @return HTMLPurifier * @return HTMLPurifier
* @note Backwards compatibility, see instance() * @note Backwards compatibility, see instance()
*/ */
public static function getInstance($prototype = null) { public static function getInstance($prototype = null)
{
return HTMLPurifier::instance($prototype); return HTMLPurifier::instance($prototype);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -8,7 +8,8 @@ class HTMLPurifier_AttrCollections
{ {
/** /**
* Associative array of attribute collections, indexed by name * Associative array of attribute collections, indexed by name.
* @type array
*/ */
public $info = array(); public $info = array();
@ -16,10 +17,11 @@ class HTMLPurifier_AttrCollections
* Performs all expansions on internal data for use by other inclusions * Performs all expansions on internal data for use by other inclusions
* It also collects all attribute collection extensions from * It also collects all attribute collection extensions from
* modules * modules
* @param $attr_types HTMLPurifier_AttrTypes instance * @param HTMLPurifier_AttrTypes $attr_types HTMLPurifier_AttrTypes instance
* @param $modules Hash array of HTMLPurifier_HTMLModule members * @param HTMLPurifier_HTMLModule[] $modules Hash array of HTMLPurifier_HTMLModule members
*/ */
public function __construct($attr_types, $modules) { public function __construct($attr_types, $modules)
{
// load extensions from the modules // load extensions from the modules
foreach ($modules as $module) { foreach ($modules as $module) {
foreach ($module->attr_collections as $coll_i => $coll) { foreach ($module->attr_collections as $coll_i => $coll) {
@ -30,7 +32,9 @@ class HTMLPurifier_AttrCollections
if ($attr_i === 0 && isset($this->info[$coll_i][$attr_i])) { if ($attr_i === 0 && isset($this->info[$coll_i][$attr_i])) {
// merge in includes // merge in includes
$this->info[$coll_i][$attr_i] = array_merge( $this->info[$coll_i][$attr_i] = array_merge(
$this->info[$coll_i][$attr_i], $attr); $this->info[$coll_i][$attr_i],
$attr
);
continue; continue;
} }
$this->info[$coll_i][$attr_i] = $attr; $this->info[$coll_i][$attr_i] = $attr;
@ -49,20 +53,29 @@ class HTMLPurifier_AttrCollections
/** /**
* Takes a reference to an attribute associative array and performs * Takes a reference to an attribute associative array and performs
* all inclusions specified by the zero index. * all inclusions specified by the zero index.
* @param &$attr Reference to attribute array * @param array &$attr Reference to attribute array
*/ */
public function performInclusions(&$attr) { public function performInclusions(&$attr)
if (!isset($attr[0])) return; {
if (!isset($attr[0])) {
return;
}
$merge = $attr[0]; $merge = $attr[0];
$seen = array(); // recursion guard $seen = array(); // recursion guard
// loop through all the inclusions // loop through all the inclusions
for ($i = 0; isset($merge[$i]); $i++) { for ($i = 0; isset($merge[$i]); $i++) {
if (isset($seen[$merge[$i]])) continue; if (isset($seen[$merge[$i]])) {
continue;
}
$seen[$merge[$i]] = true; $seen[$merge[$i]] = true;
// foreach attribute of the inclusion, copy it over // foreach attribute of the inclusion, copy it over
if (!isset($this->info[$merge[$i]])) continue; if (!isset($this->info[$merge[$i]])) {
continue;
}
foreach ($this->info[$merge[$i]] as $key => $value) { foreach ($this->info[$merge[$i]] as $key => $value) {
if (isset($attr[$key])) continue; // also catches more inclusions if (isset($attr[$key])) {
continue;
} // also catches more inclusions
$attr[$key] = $value; $attr[$key] = $value;
} }
if (isset($this->info[$merge[$i]][0])) { if (isset($this->info[$merge[$i]][0])) {
@ -76,20 +89,24 @@ class HTMLPurifier_AttrCollections
/** /**
* Expands all string identifiers in an attribute array by replacing * Expands all string identifiers in an attribute array by replacing
* them with the appropriate values inside HTMLPurifier_AttrTypes * them with the appropriate values inside HTMLPurifier_AttrTypes
* @param &$attr Reference to attribute array * @param array &$attr Reference to attribute array
* @param $attr_types HTMLPurifier_AttrTypes instance * @param HTMLPurifier_AttrTypes $attr_types HTMLPurifier_AttrTypes instance
*/ */
public function expandIdentifiers(&$attr, $attr_types) { public function expandIdentifiers(&$attr, $attr_types)
{
// because foreach will process new elements we add, make sure we // because foreach will process new elements we add, make sure we
// skip duplicates // skip duplicates
$processed = array(); $processed = array();
foreach ($attr as $def_i => $def) { foreach ($attr as $def_i => $def) {
// skip inclusions // skip inclusions
if ($def_i === 0) continue; if ($def_i === 0) {
continue;
}
if (isset($processed[$def_i])) continue; if (isset($processed[$def_i])) {
continue;
}
// determine whether or not attribute is required // determine whether or not attribute is required
if ($required = (strpos($def_i, '*') !== false)) { if ($required = (strpos($def_i, '*') !== false)) {
@ -120,9 +137,7 @@ class HTMLPurifier_AttrCollections
unset($attr[$def_i]); unset($attr[$def_i]);
} }
} }
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -14,23 +14,25 @@ abstract class HTMLPurifier_AttrDef
{ {
/** /**
* Tells us whether or not an HTML attribute is minimized. Has no * Tells us whether or not an HTML attribute is minimized.
* meaning in other contexts. * Has no meaning in other contexts.
* @type bool
*/ */
public $minimized = false; public $minimized = false;
/** /**
* Tells us whether or not an HTML attribute is required. Has no * Tells us whether or not an HTML attribute is required.
* meaning in other contexts * Has no meaning in other contexts
* @type bool
*/ */
public $required = false; public $required = false;
/** /**
* Validates and cleans passed string according to a definition. * Validates and cleans passed string according to a definition.
* *
* @param $string String to be validated and cleaned. * @param string $string String to be validated and cleaned.
* @param $config Mandatory HTMLPurifier_Config object. * @param HTMLPurifier_Config $config Mandatory HTMLPurifier_Config object.
* @param $context Mandatory HTMLPurifier_AttrContext object. * @param HTMLPurifier_Context $context Mandatory HTMLPurifier_Context object.
*/ */
abstract public function validate($string, $config, $context); abstract public function validate($string, $config, $context);
@ -55,7 +57,8 @@ abstract class HTMLPurifier_AttrDef
* parsing XML, thus, this behavior may still be correct. We * parsing XML, thus, this behavior may still be correct. We
* assume that newlines have been normalized. * assume that newlines have been normalized.
*/ */
public function parseCDATA($string) { public function parseCDATA($string)
{
$string = trim($string); $string = trim($string);
$string = str_replace(array("\n", "\t", "\r"), ' ', $string); $string = str_replace(array("\n", "\t", "\r"), ' ', $string);
return $string; return $string;
@ -63,10 +66,11 @@ abstract class HTMLPurifier_AttrDef
/** /**
* Factory method for creating this class from a string. * Factory method for creating this class from a string.
* @param $string String construction info * @param string $string String construction info
* @return Created AttrDef object corresponding to $string * @return HTMLPurifier_AttrDef Created AttrDef object corresponding to $string
*/ */
public function make($string) { public function make($string)
{
// default implementation, return a flyweight of this object. // default implementation, return a flyweight of this object.
// If $string has an effect on the returned object (i.e. you // If $string has an effect on the returned object (i.e. you
// need to overload this method), it is best // need to overload this method), it is best
@ -77,8 +81,11 @@ abstract class HTMLPurifier_AttrDef
/** /**
* Removes spaces from rgb(0, 0, 0) so that shorthand CSS properties work * Removes spaces from rgb(0, 0, 0) so that shorthand CSS properties work
* properly. THIS IS A HACK! * properly. THIS IS A HACK!
* @param string $string a CSS colour definition
* @return string
*/ */
protected function mungeRgb($string) { protected function mungeRgb($string)
{
return preg_replace('/rgb\((\d+)\s*,\s*(\d+)\s*,\s*(\d+)\)/', 'rgb(\1,\2,\3)', $string); return preg_replace('/rgb\((\d+)\s*,\s*(\d+)\s*,\s*(\d+)\)/', 'rgb(\1,\2,\3)', $string);
} }
@ -86,7 +93,8 @@ abstract class HTMLPurifier_AttrDef
* Parses a possibly escaped CSS string and returns the "pure" * Parses a possibly escaped CSS string and returns the "pure"
* version of it. * version of it.
*/ */
protected function expandCSSEscape($string) { protected function expandCSSEscape($string)
{
// flexibly parse it // flexibly parse it
$ret = ''; $ret = '';
for ($i = 0, $c = strlen($string); $i < $c; $i++) { for ($i = 0, $c = strlen($string); $i < $c; $i++) {
@ -99,25 +107,32 @@ abstract class HTMLPurifier_AttrDef
if (ctype_xdigit($string[$i])) { if (ctype_xdigit($string[$i])) {
$code = $string[$i]; $code = $string[$i];
for ($a = 1, $i++; $i < $c && $a < 6; $i++, $a++) { for ($a = 1, $i++; $i < $c && $a < 6; $i++, $a++) {
if (!ctype_xdigit($string[$i])) break; if (!ctype_xdigit($string[$i])) {
break;
}
$code .= $string[$i]; $code .= $string[$i];
} }
// We have to be extremely careful when adding // We have to be extremely careful when adding
// new characters, to make sure we're not breaking // new characters, to make sure we're not breaking
// the encoding. // the encoding.
$char = HTMLPurifier_Encoder::unichr(hexdec($code)); $char = HTMLPurifier_Encoder::unichr(hexdec($code));
if (HTMLPurifier_Encoder::cleanUTF8($char) === '') continue; if (HTMLPurifier_Encoder::cleanUTF8($char) === '') {
$ret .= $char; continue;
if ($i < $c && trim($string[$i]) !== '') $i--; }
$ret .= $char;
if ($i < $c && trim($string[$i]) !== '') {
$i--;
}
continue;
}
if ($string[$i] === "\n") {
continue; continue;
} }
if ($string[$i] === "\n") continue;
} }
$ret .= $string[$i]; $ret .= $string[$i];
} }
return $ret; return $ret;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -14,8 +14,14 @@
class HTMLPurifier_AttrDef_CSS extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS extends HTMLPurifier_AttrDef
{ {
public function validate($css, $config, $context) { /**
* @param string $css
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($css, $config, $context)
{
$css = $this->parseCDATA($css); $css = $this->parseCDATA($css);
$definition = $config->getCSSDefinition(); $definition = $config->getCSSDefinition();
@ -36,8 +42,12 @@ class HTMLPurifier_AttrDef_CSS extends HTMLPurifier_AttrDef
$context->register('CurrentCSSProperty', $property); $context->register('CurrentCSSProperty', $property);
foreach ($declarations as $declaration) { foreach ($declarations as $declaration) {
if (!$declaration) continue; if (!$declaration) {
if (!strpos($declaration, ':')) continue; continue;
}
if (!strpos($declaration, ':')) {
continue;
}
list($property, $value) = explode(':', $declaration, 2); list($property, $value) = explode(':', $declaration, 2);
$property = trim($property); $property = trim($property);
$value = trim($value); $value = trim($value);
@ -47,23 +57,32 @@ class HTMLPurifier_AttrDef_CSS extends HTMLPurifier_AttrDef
$ok = true; $ok = true;
break; break;
} }
if (ctype_lower($property)) break; if (ctype_lower($property)) {
break;
}
$property = strtolower($property); $property = strtolower($property);
if (isset($definition->info[$property])) { if (isset($definition->info[$property])) {
$ok = true; $ok = true;
break; break;
} }
} while (0); } while (0);
if (!$ok) continue; if (!$ok) {
continue;
}
// inefficient call, since the validator will do this again // inefficient call, since the validator will do this again
if (strtolower(trim($value)) !== 'inherit') { if (strtolower(trim($value)) !== 'inherit') {
// inherit works for everything (but only on the base property) // inherit works for everything (but only on the base property)
$result = $definition->info[$property]->validate( $result = $definition->info[$property]->validate(
$value, $config, $context ); $value,
$config,
$context
);
} else { } else {
$result = 'inherit'; $result = 'inherit';
} }
if ($result === false) continue; if ($result === false) {
continue;
}
$propvalues[$property] = $result; $propvalues[$property] = $result;
} }

View File

@ -3,19 +3,32 @@
class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number
{ {
public function __construct() { public function __construct()
{
parent::__construct(false); // opacity is non-negative, but we will clamp it parent::__construct(false); // opacity is non-negative, but we will clamp it
} }
public function validate($number, $config, $context) { /**
* @param string $number
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return string
*/
public function validate($number, $config, $context)
{
$result = parent::validate($number, $config, $context); $result = parent::validate($number, $config, $context);
if ($result === false) return $result; if ($result === false) {
$float = (float) $result; return $result;
if ($float < 0.0) $result = '0'; }
if ($float > 1.0) $result = '1'; $float = (float)$result;
if ($float < 0.0) {
$result = '0';
}
if ($float > 1.0) {
$result = '1';
}
return $result; return $result;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -9,11 +9,16 @@ class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
/** /**
* Local copy of component validators. * Local copy of component validators.
* @type HTMLPurifier_AttrDef[]
* @note See HTMLPurifier_AttrDef_Font::$info for a similar impl. * @note See HTMLPurifier_AttrDef_Font::$info for a similar impl.
*/ */
protected $info; protected $info;
public function __construct($config) { /**
* @param HTMLPurifier_Config $config
*/
public function __construct($config)
{
$def = $config->getCSSDefinition(); $def = $config->getCSSDefinition();
$this->info['background-color'] = $def->info['background-color']; $this->info['background-color'] = $def->info['background-color'];
$this->info['background-image'] = $def->info['background-image']; $this->info['background-image'] = $def->info['background-image'];
@ -22,11 +27,19 @@ class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
$this->info['background-position'] = $def->info['background-position']; $this->info['background-position'] = $def->info['background-position'];
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
// regular pre-processing // regular pre-processing
$string = $this->parseCDATA($string); $string = $this->parseCDATA($string);
if ($string === '') return false; if ($string === '') {
return false;
}
// munge rgb() decl if necessary // munge rgb() decl if necessary
$string = $this->mungeRgb($string); $string = $this->mungeRgb($string);
@ -42,20 +55,27 @@ class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
$caught['position'] = false; $caught['position'] = false;
$i = 0; // number of catches $i = 0; // number of catches
$none = false;
foreach ($bits as $bit) { foreach ($bits as $bit) {
if ($bit === '') continue; if ($bit === '') {
continue;
}
foreach ($caught as $key => $status) { foreach ($caught as $key => $status) {
if ($key != 'position') { if ($key != 'position') {
if ($status !== false) continue; if ($status !== false) {
continue;
}
$r = $this->info['background-' . $key]->validate($bit, $config, $context); $r = $this->info['background-' . $key]->validate($bit, $config, $context);
} else { } else {
$r = $bit; $r = $bit;
} }
if ($r === false) continue; if ($r === false) {
continue;
}
if ($key == 'position') { if ($key == 'position') {
if ($caught[$key] === false) $caught[$key] = ''; if ($caught[$key] === false) {
$caught[$key] = '';
}
$caught[$key] .= $r . ' '; $caught[$key] .= $r . ' ';
} else { } else {
$caught[$key] = $r; $caught[$key] = $r;
@ -65,7 +85,9 @@ class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
} }
} }
if (!$i) return false; if (!$i) {
return false;
}
if ($caught['position'] !== false) { if ($caught['position'] !== false) {
$caught['position'] = $this->info['background-position']-> $caught['position'] = $this->info['background-position']->
validate($caught['position'], $config, $context); validate($caught['position'], $config, $context);
@ -73,15 +95,17 @@ class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
$ret = array(); $ret = array();
foreach ($caught as $value) { foreach ($caught as $value) {
if ($value === false) continue; if ($value === false) {
continue;
}
$ret[] = $value; $ret[] = $value;
} }
if (empty($ret)) return false; if (empty($ret)) {
return implode(' ', $ret); return false;
}
return implode(' ', $ret);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -44,15 +44,30 @@
class HTMLPurifier_AttrDef_CSS_BackgroundPosition extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS_BackgroundPosition extends HTMLPurifier_AttrDef
{ {
/**
* @type HTMLPurifier_AttrDef_CSS_Length
*/
protected $length; protected $length;
/**
* @type HTMLPurifier_AttrDef_CSS_Percentage
*/
protected $percentage; protected $percentage;
public function __construct() { public function __construct()
{
$this->length = new HTMLPurifier_AttrDef_CSS_Length(); $this->length = new HTMLPurifier_AttrDef_CSS_Length();
$this->percentage = new HTMLPurifier_AttrDef_CSS_Percentage(); $this->percentage = new HTMLPurifier_AttrDef_CSS_Percentage();
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string); $string = $this->parseCDATA($string);
$bits = explode(' ', $string); $bits = explode(' ', $string);
@ -74,7 +89,9 @@ class HTMLPurifier_AttrDef_CSS_BackgroundPosition extends HTMLPurifier_AttrDef
); );
foreach ($bits as $bit) { foreach ($bits as $bit) {
if ($bit === '') continue; if ($bit === '') {
continue;
}
// test for keyword // test for keyword
$lbit = ctype_lower($bit) ? $bit : strtolower($bit); $lbit = ctype_lower($bit) ? $bit : strtolower($bit);
@ -104,30 +121,37 @@ class HTMLPurifier_AttrDef_CSS_BackgroundPosition extends HTMLPurifier_AttrDef
$measures[] = $r; $measures[] = $r;
$i++; $i++;
} }
} }
if (!$i) return false; // no valid values were caught if (!$i) {
return false;
} // no valid values were caught
$ret = array(); $ret = array();
// first keyword // first keyword
if ($keywords['h']) $ret[] = $keywords['h']; if ($keywords['h']) {
elseif ($keywords['ch']) { $ret[] = $keywords['h'];
} elseif ($keywords['ch']) {
$ret[] = $keywords['ch']; $ret[] = $keywords['ch'];
$keywords['cv'] = false; // prevent re-use: center = center center $keywords['cv'] = false; // prevent re-use: center = center center
} elseif (count($measures)) {
$ret[] = array_shift($measures);
} }
elseif (count($measures)) $ret[] = array_shift($measures);
if ($keywords['v']) $ret[] = $keywords['v']; if ($keywords['v']) {
elseif ($keywords['cv']) $ret[] = $keywords['cv']; $ret[] = $keywords['v'];
elseif (count($measures)) $ret[] = array_shift($measures); } elseif ($keywords['cv']) {
$ret[] = $keywords['cv'];
} elseif (count($measures)) {
$ret[] = array_shift($measures);
}
if (empty($ret)) return false; if (empty($ret)) {
return false;
}
return implode(' ', $ret); return implode(' ', $ret);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -8,17 +8,29 @@ class HTMLPurifier_AttrDef_CSS_Border extends HTMLPurifier_AttrDef
/** /**
* Local copy of properties this property is shorthand for. * Local copy of properties this property is shorthand for.
* @type HTMLPurifier_AttrDef[]
*/ */
protected $info = array(); protected $info = array();
public function __construct($config) { /**
* @param HTMLPurifier_Config $config
*/
public function __construct($config)
{
$def = $config->getCSSDefinition(); $def = $config->getCSSDefinition();
$this->info['border-width'] = $def->info['border-width']; $this->info['border-width'] = $def->info['border-width'];
$this->info['border-style'] = $def->info['border-style']; $this->info['border-style'] = $def->info['border-style'];
$this->info['border-top-color'] = $def->info['border-top-color']; $this->info['border-top-color'] = $def->info['border-top-color'];
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string); $string = $this->parseCDATA($string);
$string = $this->mungeRgb($string); $string = $this->mungeRgb($string);
$bits = explode(' ', $string); $bits = explode(' ', $string);
@ -26,7 +38,9 @@ class HTMLPurifier_AttrDef_CSS_Border extends HTMLPurifier_AttrDef
$ret = ''; // return value $ret = ''; // return value
foreach ($bits as $bit) { foreach ($bits as $bit) {
foreach ($this->info as $propname => $validator) { foreach ($this->info as $propname => $validator) {
if (isset($done[$propname])) continue; if (isset($done[$propname])) {
continue;
}
$r = $validator->validate($bit, $config, $context); $r = $validator->validate($bit, $config, $context);
if ($r !== false) { if ($r !== false) {
$ret .= $r . ' '; $ret .= $r . ' ';
@ -37,7 +51,6 @@ class HTMLPurifier_AttrDef_CSS_Border extends HTMLPurifier_AttrDef
} }
return rtrim($ret); return rtrim($ret);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -6,29 +6,47 @@
class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
{ {
public function validate($color, $config, $context) { /**
* @param string $color
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($color, $config, $context)
{
static $colors = null; static $colors = null;
if ($colors === null) $colors = $config->get('Core.ColorKeywords'); if ($colors === null) {
$colors = $config->get('Core.ColorKeywords');
}
$color = trim($color); $color = trim($color);
if ($color === '') return false; if ($color === '') {
return false;
}
$lower = strtolower($color); $lower = strtolower($color);
if (isset($colors[$lower])) return $colors[$lower]; if (isset($colors[$lower])) {
return $colors[$lower];
}
if (strpos($color, 'rgb(') !== false) { if (strpos($color, 'rgb(') !== false) {
// rgb literal handling // rgb literal handling
$length = strlen($color); $length = strlen($color);
if (strpos($color, ')') !== $length - 1) return false; if (strpos($color, ')') !== $length - 1) {
return false;
}
$triad = substr($color, 4, $length - 4 - 1); $triad = substr($color, 4, $length - 4 - 1);
$parts = explode(',', $triad); $parts = explode(',', $triad);
if (count($parts) !== 3) return false; if (count($parts) !== 3) {
return false;
}
$type = false; // to ensure that they're all the same type $type = false; // to ensure that they're all the same type
$new_parts = array(); $new_parts = array();
foreach ($parts as $part) { foreach ($parts as $part) {
$part = trim($part); $part = trim($part);
if ($part === '') return false; if ($part === '') {
return false;
}
$length = strlen($part); $length = strlen($part);
if ($part[$length - 1] === '%') { if ($part[$length - 1] === '%') {
// handle percents // handle percents
@ -38,8 +56,12 @@ class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
return false; return false;
} }
$num = (float)substr($part, 0, $length - 1); $num = (float)substr($part, 0, $length - 1);
if ($num < 0) $num = 0; if ($num < 0) {
if ($num > 100) $num = 100; $num = 0;
}
if ($num > 100) {
$num = 100;
}
$new_parts[] = "$num%"; $new_parts[] = "$num%";
} else { } else {
// handle integers // handle integers
@ -49,8 +71,12 @@ class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
return false; return false;
} }
$num = (int)$part; $num = (int)$part;
if ($num < 0) $num = 0; if ($num < 0) {
if ($num > 255) $num = 255; $num = 0;
}
if ($num > 255) {
$num = 255;
}
$new_parts[] = (string)$num; $new_parts[] = (string)$num;
} }
} }
@ -65,14 +91,15 @@ class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
$color = '#' . $color; $color = '#' . $color;
} }
$length = strlen($hex); $length = strlen($hex);
if ($length !== 3 && $length !== 6) return false; if ($length !== 3 && $length !== 6) {
if (!ctype_xdigit($hex)) return false; return false;
}
if (!ctype_xdigit($hex)) {
return false;
}
} }
return $color; return $color;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -13,26 +13,36 @@ class HTMLPurifier_AttrDef_CSS_Composite extends HTMLPurifier_AttrDef
{ {
/** /**
* List of HTMLPurifier_AttrDef objects that may process strings * List of objects that may process strings.
* @type HTMLPurifier_AttrDef[]
* @todo Make protected * @todo Make protected
*/ */
public $defs; public $defs;
/** /**
* @param $defs List of HTMLPurifier_AttrDef objects * @param HTMLPurifier_AttrDef[] $defs List of HTMLPurifier_AttrDef objects
*/ */
public function __construct($defs) { public function __construct($defs)
{
$this->defs = $defs; $this->defs = $defs;
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
foreach ($this->defs as $i => $def) { foreach ($this->defs as $i => $def) {
$result = $this->defs[$i]->validate($string, $config, $context); $result = $this->defs[$i]->validate($string, $config, $context);
if ($result !== false) return $result; if ($result !== false) {
return $result;
}
} }
return false; return false;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -5,22 +5,38 @@
*/ */
class HTMLPurifier_AttrDef_CSS_DenyElementDecorator extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS_DenyElementDecorator extends HTMLPurifier_AttrDef
{ {
public $def, $element; /**
* @type HTMLPurifier_AttrDef
*/
public $def;
/**
* @type string
*/
public $element;
/** /**
* @param $def Definition to wrap * @param HTMLPurifier_AttrDef $def Definition to wrap
* @param $element Element to deny * @param string $element Element to deny
*/ */
public function __construct($def, $element) { public function __construct($def, $element)
{
$this->def = $def; $this->def = $def;
$this->element = $element; $this->element = $element;
} }
/** /**
* Checks if CurrentToken is set and equal to $this->element * Checks if CurrentToken is set and equal to $this->element
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/ */
public function validate($string, $config, $context) { public function validate($string, $config, $context)
{
$token = $context->get('CurrentToken', true); $token = $context->get('CurrentToken', true);
if ($token && $token->name == $this->element) return false; if ($token && $token->name == $this->element) {
return false;
}
return $this->def->validate($string, $config, $context); return $this->def->validate($string, $config, $context);
} }
} }

View File

@ -7,23 +7,37 @@
*/ */
class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef
{ {
/**
* @type HTMLPurifier_AttrDef_Integer
*/
protected $intValidator; protected $intValidator;
public function __construct() { public function __construct()
{
$this->intValidator = new HTMLPurifier_AttrDef_Integer(); $this->intValidator = new HTMLPurifier_AttrDef_Integer();
} }
public function validate($value, $config, $context) { /**
* @param string $value
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($value, $config, $context)
{
$value = $this->parseCDATA($value); $value = $this->parseCDATA($value);
if ($value === 'none') return $value; if ($value === 'none') {
return $value;
}
// if we looped this we could support multiple filters // if we looped this we could support multiple filters
$function_length = strcspn($value, '('); $function_length = strcspn($value, '(');
$function = trim(substr($value, 0, $function_length)); $function = trim(substr($value, 0, $function_length));
if ($function !== 'alpha' && if ($function !== 'alpha' &&
$function !== 'Alpha' && $function !== 'Alpha' &&
$function !== 'progid:DXImageTransform.Microsoft.Alpha' $function !== 'progid:DXImageTransform.Microsoft.Alpha'
) return false; ) {
return false;
}
$cursor = $function_length + 1; $cursor = $function_length + 1;
$parameters_length = strcspn($value, ')', $cursor); $parameters_length = strcspn($value, ')', $cursor);
$parameters = substr($value, $cursor, $parameters_length); $parameters = substr($value, $cursor, $parameters_length);
@ -34,13 +48,23 @@ class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef
list($key, $value) = explode('=', $param); list($key, $value) = explode('=', $param);
$key = trim($key); $key = trim($key);
$value = trim($value); $value = trim($value);
if (isset($lookup[$key])) continue; if (isset($lookup[$key])) {
if ($key !== 'opacity') continue; continue;
}
if ($key !== 'opacity') {
continue;
}
$value = $this->intValidator->validate($value, $config, $context); $value = $this->intValidator->validate($value, $config, $context);
if ($value === false) continue; if ($value === false) {
continue;
}
$int = (int)$value; $int = (int)$value;
if ($int > 100) $value = '100'; if ($int > 100) {
if ($int < 0) $value = '0'; $value = '100';
}
if ($int < 0) {
$value = '0';
}
$ret_params[] = "$key=$value"; $ret_params[] = "$key=$value";
$lookup[$key] = true; $lookup[$key] = true;
} }
@ -48,7 +72,6 @@ class HTMLPurifier_AttrDef_CSS_Filter extends HTMLPurifier_AttrDef
$ret_function = "$function($ret_parameters)"; $ret_function = "$function($ret_parameters)";
return $ret_function; return $ret_function;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -7,8 +7,8 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
{ {
/** /**
* Local copy of component validators. * Local copy of validators
* * @type HTMLPurifier_AttrDef[]
* @note If we moved specific CSS property definitions to their own * @note If we moved specific CSS property definitions to their own
* classes instead of having them be assembled at run time by * classes instead of having them be assembled at run time by
* CSSDefinition, this wouldn't be necessary. We'd instantiate * CSSDefinition, this wouldn't be necessary. We'd instantiate
@ -16,7 +16,11 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
*/ */
protected $info = array(); protected $info = array();
public function __construct($config) { /**
* @param HTMLPurifier_Config $config
*/
public function __construct($config)
{
$def = $config->getCSSDefinition(); $def = $config->getCSSDefinition();
$this->info['font-style'] = $def->info['font-style']; $this->info['font-style'] = $def->info['font-style'];
$this->info['font-variant'] = $def->info['font-variant']; $this->info['font-variant'] = $def->info['font-variant'];
@ -26,8 +30,14 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
$this->info['font-family'] = $def->info['font-family']; $this->info['font-family'] = $def->info['font-family'];
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
static $system_fonts = array( static $system_fonts = array(
'caption' => true, 'caption' => true,
'icon' => true, 'icon' => true,
@ -39,7 +49,9 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
// regular pre-processing // regular pre-processing
$string = $this->parseCDATA($string); $string = $this->parseCDATA($string);
if ($string === '') return false; if ($string === '') {
return false;
}
// check if it's one of the keywords // check if it's one of the keywords
$lowercase_string = strtolower($string); $lowercase_string = strtolower($string);
@ -54,15 +66,20 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
$final = ''; // output $final = ''; // output
for ($i = 0, $size = count($bits); $i < $size; $i++) { for ($i = 0, $size = count($bits); $i < $size; $i++) {
if ($bits[$i] === '') continue; if ($bits[$i] === '') {
continue;
}
switch ($stage) { switch ($stage) {
case 0: // attempting to catch font-style, font-variant or font-weight
// attempting to catch font-style, font-variant or font-weight
case 0:
foreach ($stage_1 as $validator_name) { foreach ($stage_1 as $validator_name) {
if (isset($caught[$validator_name])) continue; if (isset($caught[$validator_name])) {
continue;
}
$r = $this->info[$validator_name]->validate( $r = $this->info[$validator_name]->validate(
$bits[$i], $config, $context); $bits[$i],
$config,
$context
);
if ($r !== false) { if ($r !== false) {
$final .= $r . ' '; $final .= $r . ' ';
$caught[$validator_name] = true; $caught[$validator_name] = true;
@ -70,11 +87,13 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
} }
} }
// all three caught, continue on // all three caught, continue on
if (count($caught) >= 3) $stage = 1; if (count($caught) >= 3) {
if ($r !== false) break; $stage = 1;
}
// attempting to catch font-size and perhaps line-height if ($r !== false) {
case 1: break;
}
case 1: // attempting to catch font-size and perhaps line-height
$found_slash = false; $found_slash = false;
if (strpos($bits[$i], '/') !== false) { if (strpos($bits[$i], '/') !== false) {
list($font_size, $line_height) = list($font_size, $line_height) =
@ -89,14 +108,19 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
$line_height = false; $line_height = false;
} }
$r = $this->info['font-size']->validate( $r = $this->info['font-size']->validate(
$font_size, $config, $context); $font_size,
$config,
$context
);
if ($r !== false) { if ($r !== false) {
$final .= $r; $final .= $r;
// attempt to catch line-height // attempt to catch line-height
if ($line_height === false) { if ($line_height === false) {
// we need to scroll forward // we need to scroll forward
for ($j = $i + 1; $j < $size; $j++) { for ($j = $i + 1; $j < $size; $j++) {
if ($bits[$j] === '') continue; if ($bits[$j] === '') {
continue;
}
if ($bits[$j] === '/') { if ($bits[$j] === '/') {
if ($found_slash) { if ($found_slash) {
return false; return false;
@ -116,7 +140,10 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
if ($found_slash) { if ($found_slash) {
$i = $j; $i = $j;
$r = $this->info['line-height']->validate( $r = $this->info['line-height']->validate(
$line_height, $config, $context); $line_height,
$config,
$context
);
if ($r !== false) { if ($r !== false) {
$final .= '/' . $r; $final .= '/' . $r;
} }
@ -126,13 +153,14 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
break; break;
} }
return false; return false;
case 2: // attempting to catch font-family
// attempting to catch font-family
case 2:
$font_family = $font_family =
implode(' ', array_slice($bits, $i, $size - $i)); implode(' ', array_slice($bits, $i, $size - $i));
$r = $this->info['font-family']->validate( $r = $this->info['font-family']->validate(
$font_family, $config, $context); $font_family,
$config,
$context
);
if ($r !== false) { if ($r !== false) {
$final .= $r . ' '; $final .= $r . ' ';
// processing completed successfully // processing completed successfully
@ -143,7 +171,6 @@ class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
} }
return false; return false;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -8,11 +8,18 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
protected $mask = null; protected $mask = null;
public function __construct() { public function __construct()
{
$this->mask = '_- '; $this->mask = '_- ';
for ($c = 'a'; $c <= 'z'; $c++) $this->mask .= $c; for ($c = 'a'; $c <= 'z'; $c++) {
for ($c = 'A'; $c <= 'Z'; $c++) $this->mask .= $c; $this->mask .= $c;
for ($c = '0'; $c <= '9'; $c++) $this->mask .= $c; // cast-y, but should be fine }
for ($c = 'A'; $c <= 'Z'; $c++) {
$this->mask .= $c;
}
for ($c = '0'; $c <= '9'; $c++) {
$this->mask .= $c;
} // cast-y, but should be fine
// special bytes used by UTF-8 // special bytes used by UTF-8
for ($i = 0x80; $i <= 0xFF; $i++) { for ($i = 0x80; $i <= 0xFF; $i++) {
// We don't bother excluding invalid bytes in this range, // We don't bother excluding invalid bytes in this range,
@ -39,7 +46,14 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
// possible optimization: invert the mask. // possible optimization: invert the mask.
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
static $generic_names = array( static $generic_names = array(
'serif' => true, 'serif' => true,
'sans-serif' => true, 'sans-serif' => true,
@ -54,7 +68,9 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
$final = ''; $final = '';
foreach ($fonts as $font) { foreach ($fonts as $font) {
$font = trim($font); $font = trim($font);
if ($font === '') continue; if ($font === '') {
continue;
}
// match a generic name // match a generic name
if (isset($generic_names[$font])) { if (isset($generic_names[$font])) {
if ($allowed_fonts === null || isset($allowed_fonts[$font])) { if ($allowed_fonts === null || isset($allowed_fonts[$font])) {
@ -65,9 +81,13 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
// match a quoted name // match a quoted name
if ($font[0] === '"' || $font[0] === "'") { if ($font[0] === '"' || $font[0] === "'") {
$length = strlen($font); $length = strlen($font);
if ($length <= 2) continue; if ($length <= 2) {
continue;
}
$quote = $font[0]; $quote = $font[0];
if ($font[$length - 1] !== $quote) continue; if ($font[$length - 1] !== $quote) {
continue;
}
$font = substr($font, 1, $length - 2); $font = substr($font, 1, $length - 2);
} }
@ -188,7 +208,9 @@ class HTMLPurifier_AttrDef_CSS_FontFamily extends HTMLPurifier_AttrDef
$final .= "'$font', "; $final .= "'$font', ";
} }
$final = rtrim($final, ', '); $final = rtrim($final, ', ');
if ($final === '') return false; if ($final === '') {
return false;
}
return $final; return $final;
} }

View File

@ -6,19 +6,27 @@
class HTMLPurifier_AttrDef_CSS_Ident extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS_Ident extends HTMLPurifier_AttrDef
{ {
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = trim($string); $string = trim($string);
// early abort: '' and '0' (strings that convert to false) are invalid // early abort: '' and '0' (strings that convert to false) are invalid
if (!$string) return false; if (!$string) {
return false;
$pattern = '/^(-?[A-Za-z_][A-Za-z_\-0-9]*)$/';
if (!preg_match($pattern, $string)) return false;
return $string;
} }
$pattern = '/^(-?[A-Za-z_][A-Za-z_\-0-9]*)$/';
if (!preg_match($pattern, $string)) {
return false;
}
return $string;
}
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -5,20 +5,34 @@
*/ */
class HTMLPurifier_AttrDef_CSS_ImportantDecorator extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS_ImportantDecorator extends HTMLPurifier_AttrDef
{ {
public $def, $allow; /**
* @type HTMLPurifier_AttrDef
*/
public $def;
/**
* @type bool
*/
public $allow;
/** /**
* @param $def Definition to wrap * @param HTMLPurifier_AttrDef $def Definition to wrap
* @param $allow Whether or not to allow !important * @param bool $allow Whether or not to allow !important
*/ */
public function __construct($def, $allow = false) { public function __construct($def, $allow = false)
{
$this->def = $def; $this->def = $def;
$this->allow = $allow; $this->allow = $allow;
} }
/** /**
* Intercepts and removes !important if necessary * Intercepts and removes !important if necessary
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/ */
public function validate($string, $config, $context) { public function validate($string, $config, $context)
{
// test for ! and important tokens // test for ! and important tokens
$string = trim($string); $string = trim($string);
$is_important = false; $is_important = false;
@ -32,7 +46,9 @@ class HTMLPurifier_AttrDef_CSS_ImportantDecorator extends HTMLPurifier_AttrDef
} }
} }
$string = $this->def->validate($string, $config, $context); $string = $this->def->validate($string, $config, $context);
if ($this->allow && $is_important) $string .= ' !important'; if ($this->allow && $is_important) {
$string .= ' !important';
}
return $string; return $string;
} }
} }

View File

@ -6,42 +6,72 @@
class HTMLPurifier_AttrDef_CSS_Length extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS_Length extends HTMLPurifier_AttrDef
{ {
protected $min, $max; /**
* @type HTMLPurifier_Length|string
*/
protected $min;
/** /**
* @param HTMLPurifier_Length $max Minimum length, or null for no bound. String is also acceptable. * @type HTMLPurifier_Length|string
* @param HTMLPurifier_Length $max Maximum length, or null for no bound. String is also acceptable.
*/ */
public function __construct($min = null, $max = null) { protected $max;
/**
* @param HTMLPurifier_Length|string $min Minimum length, or null for no bound. String is also acceptable.
* @param HTMLPurifier_Length|string $max Maximum length, or null for no bound. String is also acceptable.
*/
public function __construct($min = null, $max = null)
{
$this->min = $min !== null ? HTMLPurifier_Length::make($min) : null; $this->min = $min !== null ? HTMLPurifier_Length::make($min) : null;
$this->max = $max !== null ? HTMLPurifier_Length::make($max) : null; $this->max = $max !== null ? HTMLPurifier_Length::make($max) : null;
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string); $string = $this->parseCDATA($string);
// Optimizations // Optimizations
if ($string === '') return false; if ($string === '') {
if ($string === '0') return '0'; return false;
if (strlen($string) === 1) return false; }
if ($string === '0') {
return '0';
}
if (strlen($string) === 1) {
return false;
}
$length = HTMLPurifier_Length::make($string); $length = HTMLPurifier_Length::make($string);
if (!$length->isValid()) return false; if (!$length->isValid()) {
return false;
}
if ($this->min) { if ($this->min) {
$c = $length->compareTo($this->min); $c = $length->compareTo($this->min);
if ($c === false) return false; if ($c === false) {
if ($c < 0) return false; return false;
}
if ($c < 0) {
return false;
}
} }
if ($this->max) { if ($this->max) {
$c = $length->compareTo($this->max); $c = $length->compareTo($this->max);
if ($c === false) return false; if ($c === false) {
if ($c > 0) return false; return false;
}
if ($c > 0) {
return false;
}
} }
return $length->toString(); return $length->toString();
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -8,23 +8,36 @@ class HTMLPurifier_AttrDef_CSS_ListStyle extends HTMLPurifier_AttrDef
{ {
/** /**
* Local copy of component validators. * Local copy of validators.
* @type HTMLPurifier_AttrDef[]
* @note See HTMLPurifier_AttrDef_CSS_Font::$info for a similar impl. * @note See HTMLPurifier_AttrDef_CSS_Font::$info for a similar impl.
*/ */
protected $info; protected $info;
public function __construct($config) { /**
* @param HTMLPurifier_Config $config
*/
public function __construct($config)
{
$def = $config->getCSSDefinition(); $def = $config->getCSSDefinition();
$this->info['list-style-type'] = $def->info['list-style-type']; $this->info['list-style-type'] = $def->info['list-style-type'];
$this->info['list-style-position'] = $def->info['list-style-position']; $this->info['list-style-position'] = $def->info['list-style-position'];
$this->info['list-style-image'] = $def->info['list-style-image']; $this->info['list-style-image'] = $def->info['list-style-image'];
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
// regular pre-processing // regular pre-processing
$string = $this->parseCDATA($string); $string = $this->parseCDATA($string);
if ($string === '') return false; if ($string === '') {
return false;
}
// assumes URI doesn't have spaces in it // assumes URI doesn't have spaces in it
$bits = explode(' ', strtolower($string)); // bits to process $bits = explode(' ', strtolower($string)); // bits to process
@ -38,16 +51,29 @@ class HTMLPurifier_AttrDef_CSS_ListStyle extends HTMLPurifier_AttrDef
$none = false; $none = false;
foreach ($bits as $bit) { foreach ($bits as $bit) {
if ($i >= 3) return; // optimization bit if ($i >= 3) {
if ($bit === '') continue; return;
} // optimization bit
if ($bit === '') {
continue;
}
foreach ($caught as $key => $status) { foreach ($caught as $key => $status) {
if ($status !== false) continue; if ($status !== false) {
continue;
}
$r = $this->info['list-style-' . $key]->validate($bit, $config, $context); $r = $this->info['list-style-' . $key]->validate($bit, $config, $context);
if ($r === false) continue; if ($r === false) {
continue;
}
if ($r === 'none') { if ($r === 'none') {
if ($none) continue; if ($none) {
else $none = true; continue;
if ($key == 'image') continue; } else {
$none = true;
}
if ($key == 'image') {
continue;
}
} }
$caught[$key] = $r; $caught[$key] = $r;
$i++; $i++;
@ -55,24 +81,32 @@ class HTMLPurifier_AttrDef_CSS_ListStyle extends HTMLPurifier_AttrDef
} }
} }
if (!$i) return false; if (!$i) {
return false;
}
$ret = array(); $ret = array();
// construct type // construct type
if ($caught['type']) $ret[] = $caught['type']; if ($caught['type']) {
$ret[] = $caught['type'];
// construct image
if ($caught['image']) $ret[] = $caught['image'];
// construct position
if ($caught['position']) $ret[] = $caught['position'];
if (empty($ret)) return false;
return implode(' ', $ret);
} }
// construct image
if ($caught['image']) {
$ret[] = $caught['image'];
}
// construct position
if ($caught['position']) {
$ret[] = $caught['position'];
}
if (empty($ret)) {
return false;
}
return implode(' ', $ret);
}
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -13,9 +13,9 @@
*/ */
class HTMLPurifier_AttrDef_CSS_Multiple extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS_Multiple extends HTMLPurifier_AttrDef
{ {
/** /**
* Instance of component definition to defer validation to. * Instance of component definition to defer validation to.
* @type HTMLPurifier_AttrDef
* @todo Make protected * @todo Make protected
*/ */
public $single; public $single;
@ -27,32 +27,45 @@ class HTMLPurifier_AttrDef_CSS_Multiple extends HTMLPurifier_AttrDef
public $max; public $max;
/** /**
* @param $single HTMLPurifier_AttrDef to multiply * @param HTMLPurifier_AttrDef $single HTMLPurifier_AttrDef to multiply
* @param $max Max number of values allowed (usually four) * @param int $max Max number of values allowed (usually four)
*/ */
public function __construct($single, $max = 4) { public function __construct($single, $max = 4)
{
$this->single = $single; $this->single = $single;
$this->max = $max; $this->max = $max;
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string); $string = $this->parseCDATA($string);
if ($string === '') return false; if ($string === '') {
return false;
}
$parts = explode(' ', $string); // parseCDATA replaced \r, \t and \n $parts = explode(' ', $string); // parseCDATA replaced \r, \t and \n
$length = count($parts); $length = count($parts);
$final = ''; $final = '';
for ($i = 0, $num = 0; $i < $length && $num < $this->max; $i++) { for ($i = 0, $num = 0; $i < $length && $num < $this->max; $i++) {
if (ctype_space($parts[$i])) continue; if (ctype_space($parts[$i])) {
continue;
}
$result = $this->single->validate($parts[$i], $config, $context); $result = $this->single->validate($parts[$i], $config, $context);
if ($result !== false) { if ($result !== false) {
$final .= $result . ' '; $final .= $result . ' ';
$num++; $num++;
} }
} }
if ($final === '') return false; if ($final === '') {
return false;
}
return rtrim($final); return rtrim($final);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -7,32 +7,44 @@ class HTMLPurifier_AttrDef_CSS_Number extends HTMLPurifier_AttrDef
{ {
/** /**
* Bool indicating whether or not only positive values allowed. * Indicates whether or not only positive values are allowed.
* @type bool
*/ */
protected $non_negative = false; protected $non_negative = false;
/** /**
* @param $non_negative Bool indicating whether negatives are forbidden * @param bool $non_negative indicates whether negatives are forbidden
*/ */
public function __construct($non_negative = false) { public function __construct($non_negative = false)
{
$this->non_negative = $non_negative; $this->non_negative = $non_negative;
} }
/** /**
* @param string $number
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return string|bool
* @warning Some contexts do not pass $config, $context. These * @warning Some contexts do not pass $config, $context. These
* variables should not be used without checking HTMLPurifier_Length * variables should not be used without checking HTMLPurifier_Length
*/ */
public function validate($number, $config, $context) { public function validate($number, $config, $context)
{
$number = $this->parseCDATA($number); $number = $this->parseCDATA($number);
if ($number === '') return false; if ($number === '') {
if ($number === '0') return '0'; return false;
}
if ($number === '0') {
return '0';
}
$sign = ''; $sign = '';
switch ($number[0]) { switch ($number[0]) {
case '-': case '-':
if ($this->non_negative) return false; if ($this->non_negative) {
return false;
}
$sign = '-'; $sign = '-';
case '+': case '+':
$number = substr($number, 1); $number = substr($number, 1);
@ -44,12 +56,18 @@ class HTMLPurifier_AttrDef_CSS_Number extends HTMLPurifier_AttrDef
} }
// Period is the only non-numeric character allowed // Period is the only non-numeric character allowed
if (strpos($number, '.') === false) return false; if (strpos($number, '.') === false) {
return false;
}
list($left, $right) = explode('.', $number, 2); list($left, $right) = explode('.', $number, 2);
if ($left === '' && $right === '') return false; if ($left === '' && $right === '') {
if ($left !== '' && !ctype_digit($left)) return false; return false;
}
if ($left !== '' && !ctype_digit($left)) {
return false;
}
$left = ltrim($left, '0'); $left = ltrim($left, '0');
$right = rtrim($right, '0'); $right = rtrim($right, '0');
@ -59,11 +77,8 @@ class HTMLPurifier_AttrDef_CSS_Number extends HTMLPurifier_AttrDef
} elseif (!ctype_digit($right)) { } elseif (!ctype_digit($right)) {
return false; return false;
} }
return $sign . $left . '.' . $right; return $sign . $left . '.' . $right;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -7,34 +7,48 @@ class HTMLPurifier_AttrDef_CSS_Percentage extends HTMLPurifier_AttrDef
{ {
/** /**
* Instance of HTMLPurifier_AttrDef_CSS_Number to defer number validation * Instance to defer number validation to.
* @type HTMLPurifier_AttrDef_CSS_Number
*/ */
protected $number_def; protected $number_def;
/** /**
* @param Bool indicating whether to forbid negative values * @param bool $non_negative Whether to forbid negative values
*/ */
public function __construct($non_negative = false) { public function __construct($non_negative = false)
{
$this->number_def = new HTMLPurifier_AttrDef_CSS_Number($non_negative); $this->number_def = new HTMLPurifier_AttrDef_CSS_Number($non_negative);
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = $this->parseCDATA($string); $string = $this->parseCDATA($string);
if ($string === '') return false; if ($string === '') {
return false;
}
$length = strlen($string); $length = strlen($string);
if ($length === 1) return false; if ($length === 1) {
if ($string[$length - 1] !== '%') return false; return false;
}
if ($string[$length - 1] !== '%') {
return false;
}
$number = substr($string, 0, $length - 1); $number = substr($string, 0, $length - 1);
$number = $this->number_def->validate($number, $config, $context); $number = $this->number_def->validate($number, $config, $context);
if ($number === false) return false; if ($number === false) {
return "$number%"; return false;
}
return "$number%";
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -8,8 +8,14 @@
class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
{ {
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
static $allowed_values = array( static $allowed_values = array(
'line-through' => true, 'line-through' => true,
'overline' => true, 'overline' => true,
@ -18,7 +24,9 @@ class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
$string = strtolower($this->parseCDATA($string)); $string = strtolower($this->parseCDATA($string));
if ($string === 'none') return $string; if ($string === 'none') {
return $string;
}
$parts = explode(' ', $string); $parts = explode(' ', $string);
$final = ''; $final = '';
@ -28,11 +36,11 @@ class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
} }
} }
$final = rtrim($final); $final = rtrim($final);
if ($final === '') return false; if ($final === '') {
return $final; return false;
}
return $final;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -12,25 +12,39 @@
class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI
{ {
public function __construct() { public function __construct()
{
parent::__construct(true); // always embedded parent::__construct(true); // always embedded
} }
public function validate($uri_string, $config, $context) { /**
* @param string $uri_string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($uri_string, $config, $context)
{
// parse the URI out of the string and then pass it onto // parse the URI out of the string and then pass it onto
// the parent object // the parent object
$uri_string = $this->parseCDATA($uri_string); $uri_string = $this->parseCDATA($uri_string);
if (strpos($uri_string, 'url(') !== 0) return false; if (strpos($uri_string, 'url(') !== 0) {
return false;
}
$uri_string = substr($uri_string, 4); $uri_string = substr($uri_string, 4);
$new_length = strlen($uri_string) - 1; $new_length = strlen($uri_string) - 1;
if ($uri_string[$new_length] != ')') return false; if ($uri_string[$new_length] != ')') {
return false;
}
$uri = trim(substr($uri_string, 0, $new_length)); $uri = trim(substr($uri_string, 0, $new_length));
if (!empty($uri) && ($uri[0] == "'" || $uri[0] == '"')) { if (!empty($uri) && ($uri[0] == "'" || $uri[0] == '"')) {
$quote = $uri[0]; $quote = $uri[0];
$new_length = strlen($uri) - 1; $new_length = strlen($uri) - 1;
if ($uri[$new_length] !== $quote) return false; if ($uri[$new_length] !== $quote) {
return false;
}
$uri = substr($uri, 1, $new_length - 1); $uri = substr($uri, 1, $new_length - 1);
} }
@ -38,7 +52,9 @@ class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI
$result = parent::validate($uri, $config, $context); $result = parent::validate($uri, $config, $context);
if ($result === false) return false; if ($result === false) {
return false;
}
// extra sanity check; should have been done by URI // extra sanity check; should have been done by URI
$result = str_replace(array('"', "\\", "\n", "\x0c", "\r"), "", $result); $result = str_replace(array('"', "\\", "\n", "\x0c", "\r"), "", $result);
@ -51,11 +67,8 @@ class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI
// an innerHTML cycle, so a very unlucky query parameter could // an innerHTML cycle, so a very unlucky query parameter could
// then change the meaning of the URL. Unfortunately, there's // then change the meaning of the URL. Unfortunately, there's
// not much we can do about that... // not much we can do about that...
return "url(\"$result\")"; return "url(\"$result\")";
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -7,22 +7,38 @@
class HTMLPurifier_AttrDef_Clone extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_Clone extends HTMLPurifier_AttrDef
{ {
/** /**
* What we're cloning * What we're cloning.
* @type HTMLPurifier_AttrDef
*/ */
protected $clone; protected $clone;
public function __construct($clone) { /**
* @param HTMLPurifier_AttrDef $clone
*/
public function __construct($clone)
{
$this->clone = $clone; $this->clone = $clone;
} }
public function validate($v, $config, $context) { /**
* @param string $v
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($v, $config, $context)
{
return $this->clone->validate($v, $config, $context); return $this->clone->validate($v, $config, $context);
} }
public function make($string) { /**
* @param string $string
* @return HTMLPurifier_AttrDef
*/
public function make($string)
{
return clone $this->clone; return clone $this->clone;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -12,6 +12,7 @@ class HTMLPurifier_AttrDef_Enum extends HTMLPurifier_AttrDef
/** /**
* Lookup table of valid values. * Lookup table of valid values.
* @type array
* @todo Make protected * @todo Make protected
*/ */
public $valid_values = array(); public $valid_values = array();
@ -23,17 +24,23 @@ class HTMLPurifier_AttrDef_Enum extends HTMLPurifier_AttrDef
protected $case_sensitive = false; // values according to W3C spec protected $case_sensitive = false; // values according to W3C spec
/** /**
* @param $valid_values List of valid values * @param array $valid_values List of valid values
* @param $case_sensitive Bool indicating whether or not case sensitive * @param bool $case_sensitive Whether or not case sensitive
*/ */
public function __construct( public function __construct($valid_values = array(), $case_sensitive = false)
$valid_values = array(), $case_sensitive = false {
) {
$this->valid_values = array_flip($valid_values); $this->valid_values = array_flip($valid_values);
$this->case_sensitive = $case_sensitive; $this->case_sensitive = $case_sensitive;
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = trim($string); $string = trim($string);
if (!$this->case_sensitive) { if (!$this->case_sensitive) {
// we may want to do full case-insensitive libraries // we may want to do full case-insensitive libraries
@ -45,11 +52,13 @@ class HTMLPurifier_AttrDef_Enum extends HTMLPurifier_AttrDef
} }
/** /**
* @param $string In form of comma-delimited list of case-insensitive * @param string $string In form of comma-delimited list of case-insensitive
* valid values. Example: "foo,bar,baz". Prepend "s:" to make * valid values. Example: "foo,bar,baz". Prepend "s:" to make
* case sensitive * case sensitive
* @return HTMLPurifier_AttrDef_Enum
*/ */
public function make($string) { public function make($string)
{
if (strlen($string) > 2 && $string[0] == 's' && $string[1] == ':') { if (strlen($string) > 2 && $string[0] == 's' && $string[1] == ':') {
$string = substr($string, 2); $string = substr($string, 2);
$sensitive = true; $sensitive = true;
@ -59,7 +68,6 @@ class HTMLPurifier_AttrDef_Enum extends HTMLPurifier_AttrDef
$values = explode(',', $string); $values = explode(',', $string);
return new HTMLPurifier_AttrDef_Enum($values, $sensitive); return new HTMLPurifier_AttrDef_Enum($values, $sensitive);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -6,23 +6,46 @@
class HTMLPurifier_AttrDef_HTML_Bool extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_HTML_Bool extends HTMLPurifier_AttrDef
{ {
/**
* @type bool
*/
protected $name; protected $name;
/**
* @type bool
*/
public $minimized = true; public $minimized = true;
public function __construct($name = false) {$this->name = $name;} /**
* @param bool $name
*/
public function __construct($name = false)
{
$this->name = $name;
}
public function validate($string, $config, $context) { /**
if (empty($string)) return false; * @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
if (empty($string)) {
return false;
}
return $this->name; return $this->name;
} }
/** /**
* @param $string Name of attribute * @param string $string Name of attribute
* @return HTMLPurifier_AttrDef_HTML_Bool
*/ */
public function make($string) { public function make($string)
{
return new HTMLPurifier_AttrDef_HTML_Bool($string); return new HTMLPurifier_AttrDef_HTML_Bool($string);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -5,7 +5,14 @@
*/ */
class HTMLPurifier_AttrDef_HTML_Class extends HTMLPurifier_AttrDef_HTML_Nmtokens class HTMLPurifier_AttrDef_HTML_Class extends HTMLPurifier_AttrDef_HTML_Nmtokens
{ {
protected function split($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
protected function split($string, $config, $context)
{
// really, this twiddle should be lazy loaded // really, this twiddle should be lazy loaded
$name = $config->getDefinition('HTML')->doctype->name; $name = $config->getDefinition('HTML')->doctype->name;
if ($name == "XHTML 1.1" || $name == "XHTML 2.0") { if ($name == "XHTML 1.1" || $name == "XHTML 2.0") {
@ -14,13 +21,20 @@ class HTMLPurifier_AttrDef_HTML_Class extends HTMLPurifier_AttrDef_HTML_Nmtokens
return preg_split('/\s+/', $string); return preg_split('/\s+/', $string);
} }
} }
protected function filter($tokens, $config, $context) {
/**
* @param array $tokens
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
protected function filter($tokens, $config, $context)
{
$allowed = $config->get('Attr.AllowedClasses'); $allowed = $config->get('Attr.AllowedClasses');
$forbidden = $config->get('Attr.ForbiddenClasses'); $forbidden = $config->get('Attr.ForbiddenClasses');
$ret = array(); $ret = array();
foreach ($tokens as $token) { foreach ($tokens as $token) {
if ( if (($allowed === null || isset($allowed[$token])) &&
($allowed === null || isset($allowed[$token])) &&
!isset($forbidden[$token]) && !isset($forbidden[$token]) &&
// We need this O(n) check because of PHP's array // We need this O(n) check because of PHP's array
// implementation that casts -0 to 0. // implementation that casts -0 to 0.

View File

@ -6,28 +6,46 @@
class HTMLPurifier_AttrDef_HTML_Color extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_HTML_Color extends HTMLPurifier_AttrDef
{ {
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
static $colors = null; static $colors = null;
if ($colors === null) $colors = $config->get('Core.ColorKeywords'); if ($colors === null) {
$colors = $config->get('Core.ColorKeywords');
}
$string = trim($string); $string = trim($string);
if (empty($string)) return false; if (empty($string)) {
return false;
}
$lower = strtolower($string); $lower = strtolower($string);
if (isset($colors[$lower])) return $colors[$lower]; if (isset($colors[$lower])) {
if ($string[0] === '#') $hex = substr($string, 1); return $colors[$lower];
else $hex = $string; }
if ($string[0] === '#') {
$length = strlen($hex); $hex = substr($string, 1);
if ($length !== 3 && $length !== 6) return false; } else {
if (!ctype_xdigit($hex)) return false; $hex = $string;
if ($length === 3) $hex = $hex[0].$hex[0].$hex[1].$hex[1].$hex[2].$hex[2];
return "#$hex";
} }
$length = strlen($hex);
if ($length !== 3 && $length !== 6) {
return false;
}
if (!ctype_xdigit($hex)) {
return false;
}
if ($length === 3) {
$hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
}
return "#$hex";
}
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -6,16 +6,33 @@
class HTMLPurifier_AttrDef_HTML_FrameTarget extends HTMLPurifier_AttrDef_Enum class HTMLPurifier_AttrDef_HTML_FrameTarget extends HTMLPurifier_AttrDef_Enum
{ {
/**
* @type array
*/
public $valid_values = false; // uninitialized value public $valid_values = false; // uninitialized value
/**
* @type bool
*/
protected $case_sensitive = false; protected $case_sensitive = false;
public function __construct() {} public function __construct()
{
public function validate($string, $config, $context) {
if ($this->valid_values === false) $this->valid_values = $config->get('Attr.AllowedFrameTargets');
return parent::validate($string, $config, $context);
} }
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
if ($this->valid_values === false) {
$this->valid_values = $config->get('Attr.AllowedFrameTargets');
}
return parent::validate($string, $config, $context);
}
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -18,34 +18,56 @@ class HTMLPurifier_AttrDef_HTML_ID extends HTMLPurifier_AttrDef
/** /**
* Determines whether or not we're validating an ID in a CSS * Determines whether or not we're validating an ID in a CSS
* selector context. * selector context.
* @type bool
*/ */
protected $selector; protected $selector;
public function __construct($selector = false) { /**
* @param bool $selector
*/
public function __construct($selector = false)
{
$this->selector = $selector; $this->selector = $selector;
} }
public function validate($id, $config, $context) { /**
* @param string $id
if (!$this->selector && !$config->get('Attr.EnableID')) return false; * @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($id, $config, $context)
{
if (!$this->selector && !$config->get('Attr.EnableID')) {
return false;
}
$id = trim($id); // trim it first $id = trim($id); // trim it first
if ($id === '') return false; if ($id === '') {
return false;
}
$prefix = $config->get('Attr.IDPrefix'); $prefix = $config->get('Attr.IDPrefix');
if ($prefix !== '') { if ($prefix !== '') {
$prefix .= $config->get('Attr.IDPrefixLocal'); $prefix .= $config->get('Attr.IDPrefixLocal');
// prevent re-appending the prefix // prevent re-appending the prefix
if (strpos($id, $prefix) !== 0) $id = $prefix . $id; if (strpos($id, $prefix) !== 0) {
$id = $prefix . $id;
}
} elseif ($config->get('Attr.IDPrefixLocal') !== '') { } elseif ($config->get('Attr.IDPrefixLocal') !== '') {
trigger_error('%Attr.IDPrefixLocal cannot be used unless '. trigger_error(
'%Attr.IDPrefix is set', E_USER_WARNING); '%Attr.IDPrefixLocal cannot be used unless ' .
'%Attr.IDPrefix is set',
E_USER_WARNING
);
} }
if (!$this->selector) { if (!$this->selector) {
$id_accumulator =& $context->get('IDAccumulator'); $id_accumulator =& $context->get('IDAccumulator');
if (isset($id_accumulator->ids[$id])) return false; if (isset($id_accumulator->ids[$id])) {
return false;
}
} }
// we purposely avoid using regex, hopefully this is faster // we purposely avoid using regex, hopefully this is faster
@ -53,8 +75,11 @@ class HTMLPurifier_AttrDef_HTML_ID extends HTMLPurifier_AttrDef
if (ctype_alpha($id)) { if (ctype_alpha($id)) {
$result = true; $result = true;
} else { } else {
if (!ctype_alpha(@$id[0])) return false; if (!ctype_alpha(@$id[0])) {
$trim = trim( // primitive style of regexps, I suppose return false;
}
// primitive style of regexps, I suppose
$trim = trim(
$id, $id,
'A..Za..z0..9:-._' 'A..Za..z0..9:-._'
); );
@ -66,15 +91,15 @@ class HTMLPurifier_AttrDef_HTML_ID extends HTMLPurifier_AttrDef
return false; return false;
} }
if (!$this->selector && $result) $id_accumulator->add($id); if (!$this->selector && $result) {
$id_accumulator->add($id);
}
// if no change was made to the ID, return the result // if no change was made to the ID, return the result
// else, return the new id if stripping whitespace made it // else, return the new id if stripping whitespace made it
// valid, or return false. // valid, or return false.
return $result ? $id : false; return $result ? $id : false;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -10,32 +10,47 @@
class HTMLPurifier_AttrDef_HTML_Length extends HTMLPurifier_AttrDef_HTML_Pixels class HTMLPurifier_AttrDef_HTML_Length extends HTMLPurifier_AttrDef_HTML_Pixels
{ {
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = trim($string); $string = trim($string);
if ($string === '') return false; if ($string === '') {
return false;
}
$parent_result = parent::validate($string, $config, $context); $parent_result = parent::validate($string, $config, $context);
if ($parent_result !== false) return $parent_result; if ($parent_result !== false) {
return $parent_result;
}
$length = strlen($string); $length = strlen($string);
$last_char = $string[$length - 1]; $last_char = $string[$length - 1];
if ($last_char !== '%') return false; if ($last_char !== '%') {
return false;
}
$points = substr($string, 0, $length - 1); $points = substr($string, 0, $length - 1);
if (!is_numeric($points)) return false; if (!is_numeric($points)) {
return false;
}
$points = (int)$points; $points = (int)$points;
if ($points < 0) return '0%'; if ($points < 0) {
if ($points > 100) return '100%'; return '0%';
}
return ((string) $points) . '%'; if ($points > 100) {
return '100%';
}
return ((string)$points) . '%';
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -9,26 +9,44 @@
class HTMLPurifier_AttrDef_HTML_LinkTypes extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_HTML_LinkTypes extends HTMLPurifier_AttrDef
{ {
/** Name config attribute to pull. */ /**
* Name config attribute to pull.
* @type string
*/
protected $name; protected $name;
public function __construct($name) { /**
* @param string $name
*/
public function __construct($name)
{
$configLookup = array( $configLookup = array(
'rel' => 'AllowedRel', 'rel' => 'AllowedRel',
'rev' => 'AllowedRev' 'rev' => 'AllowedRev'
); );
if (!isset($configLookup[$name])) { if (!isset($configLookup[$name])) {
trigger_error('Unrecognized attribute name for link '. trigger_error(
'relationship.', E_USER_ERROR); 'Unrecognized attribute name for link ' .
'relationship.',
E_USER_ERROR
);
return; return;
} }
$this->name = $configLookup[$name]; $this->name = $configLookup[$name];
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$allowed = $config->get('Attr.' . $this->name); $allowed = $config->get('Attr.' . $this->name);
if (empty($allowed)) return false; if (empty($allowed)) {
return false;
}
$string = $this->parseCDATA($string); $string = $this->parseCDATA($string);
$parts = explode(' ', $string); $parts = explode(' ', $string);
@ -37,17 +55,18 @@ class HTMLPurifier_AttrDef_HTML_LinkTypes extends HTMLPurifier_AttrDef
$ret_lookup = array(); $ret_lookup = array();
foreach ($parts as $part) { foreach ($parts as $part) {
$part = strtolower(trim($part)); $part = strtolower(trim($part));
if (!isset($allowed[$part])) continue; if (!isset($allowed[$part])) {
continue;
}
$ret_lookup[$part] = true; $ret_lookup[$part] = true;
} }
if (empty($ret_lookup)) return false; if (empty($ret_lookup)) {
$string = implode(' ', array_keys($ret_lookup)); return false;
}
return $string; $string = implode(' ', array_keys($ret_lookup));
return $string;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -9,33 +9,52 @@
class HTMLPurifier_AttrDef_HTML_MultiLength extends HTMLPurifier_AttrDef_HTML_Length class HTMLPurifier_AttrDef_HTML_MultiLength extends HTMLPurifier_AttrDef_HTML_Length
{ {
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = trim($string); $string = trim($string);
if ($string === '') return false; if ($string === '') {
return false;
}
$parent_result = parent::validate($string, $config, $context); $parent_result = parent::validate($string, $config, $context);
if ($parent_result !== false) return $parent_result; if ($parent_result !== false) {
return $parent_result;
}
$length = strlen($string); $length = strlen($string);
$last_char = $string[$length - 1]; $last_char = $string[$length - 1];
if ($last_char !== '*') return false; if ($last_char !== '*') {
return false;
}
$int = substr($string, 0, $length - 1); $int = substr($string, 0, $length - 1);
if ($int == '') return '*'; if ($int == '') {
if (!is_numeric($int)) return false; return '*';
}
$int = (int) $int; if (!is_numeric($int)) {
return false;
if ($int < 0) return false;
if ($int == 0) return '0';
if ($int == 1) return '*';
return ((string) $int) . '*';
} }
$int = (int)$int;
if ($int < 0) {
return false;
}
if ($int == 0) {
return '0';
}
if ($int == 1) {
return '*';
}
return ((string)$int) . '*';
}
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -6,24 +6,38 @@
class HTMLPurifier_AttrDef_HTML_Nmtokens extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_HTML_Nmtokens extends HTMLPurifier_AttrDef
{ {
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = trim($string); $string = trim($string);
// early abort: '' and '0' (strings that convert to false) are invalid // early abort: '' and '0' (strings that convert to false) are invalid
if (!$string) return false; if (!$string) {
return false;
}
$tokens = $this->split($string, $config, $context); $tokens = $this->split($string, $config, $context);
$tokens = $this->filter($tokens, $config, $context); $tokens = $this->filter($tokens, $config, $context);
if (empty($tokens)) return false; if (empty($tokens)) {
return false;
}
return implode(' ', $tokens); return implode(' ', $tokens);
} }
/** /**
* Splits a space separated list of tokens into its constituent parts. * Splits a space separated list of tokens into its constituent parts.
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/ */
protected function split($string, $config, $context) { protected function split($string, $config, $context)
{
// OPTIMIZABLE! // OPTIMIZABLE!
// do the preg_match, capture all subpatterns for reformulation // do the preg_match, capture all subpatterns for reformulation
@ -42,11 +56,15 @@ class HTMLPurifier_AttrDef_HTML_Nmtokens extends HTMLPurifier_AttrDef
* Template method for removing certain tokens based on arbitrary criteria. * Template method for removing certain tokens based on arbitrary criteria.
* @note If we wanted to be really functional, we'd do an array_filter * @note If we wanted to be really functional, we'd do an array_filter
* with a callback. But... we're not. * with a callback. But... we're not.
* @param array $tokens
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/ */
protected function filter($tokens, $config, $context) { protected function filter($tokens, $config, $context)
{
return $tokens; return $tokens;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -6,43 +6,71 @@
class HTMLPurifier_AttrDef_HTML_Pixels extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_HTML_Pixels extends HTMLPurifier_AttrDef
{ {
/**
* @type int
*/
protected $max; protected $max;
public function __construct($max = null) { /**
* @param int $max
*/
public function __construct($max = null)
{
$this->max = $max; $this->max = $max;
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = trim($string); $string = trim($string);
if ($string === '0') return $string; if ($string === '0') {
if ($string === '') return false; return $string;
}
if ($string === '') {
return false;
}
$length = strlen($string); $length = strlen($string);
if (substr($string, $length - 2) == 'px') { if (substr($string, $length - 2) == 'px') {
$string = substr($string, 0, $length - 2); $string = substr($string, 0, $length - 2);
} }
if (!is_numeric($string)) return false; if (!is_numeric($string)) {
return false;
}
$int = (int)$string; $int = (int)$string;
if ($int < 0) return '0'; if ($int < 0) {
return '0';
}
// upper-bound value, extremely high values can // upper-bound value, extremely high values can
// crash operating systems, see <http://ha.ckers.org/imagecrash.html> // crash operating systems, see <http://ha.ckers.org/imagecrash.html>
// WARNING, above link WILL crash you if you're using Windows // WARNING, above link WILL crash you if you're using Windows
if ($this->max !== null && $int > $this->max) return (string) $this->max; if ($this->max !== null && $int > $this->max) {
return (string)$this->max;
}
return (string)$int; return (string)$int;
} }
public function make($string) { /**
if ($string === '') $max = null; * @param string $string
else $max = (int) $string; * @return HTMLPurifier_AttrDef
*/
public function make($string)
{
if ($string === '') {
$max = null;
} else {
$max = (int)$string;
}
$class = get_class($this); $class = get_class($this);
return new $class($max); return new $class($max);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -11,17 +11,20 @@ class HTMLPurifier_AttrDef_Integer extends HTMLPurifier_AttrDef
{ {
/** /**
* Bool indicating whether or not negative values are allowed * Whether or not negative values are allowed.
* @type bool
*/ */
protected $negative = true; protected $negative = true;
/** /**
* Bool indicating whether or not zero is allowed * Whether or not zero is allowed.
* @type bool
*/ */
protected $zero = true; protected $zero = true;
/** /**
* Bool indicating whether or not positive values are allowed * Whether or not positive values are allowed.
* @type bool
*/ */
protected $positive = true; protected $positive = true;
@ -30,18 +33,25 @@ class HTMLPurifier_AttrDef_Integer extends HTMLPurifier_AttrDef
* @param $zero Bool indicating whether or not zero is allowed * @param $zero Bool indicating whether or not zero is allowed
* @param $positive Bool indicating whether or not positive values are allowed * @param $positive Bool indicating whether or not positive values are allowed
*/ */
public function __construct( public function __construct($negative = true, $zero = true, $positive = true)
$negative = true, $zero = true, $positive = true {
) {
$this->negative = $negative; $this->negative = $negative;
$this->zero = $zero; $this->zero = $zero;
$this->positive = $positive; $this->positive = $positive;
} }
public function validate($integer, $config, $context) { /**
* @param string $integer
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($integer, $config, $context)
{
$integer = $this->parseCDATA($integer); $integer = $this->parseCDATA($integer);
if ($integer === '') return false; if ($integer === '') {
return false;
}
// we could possibly simply typecast it to integer, but there are // we could possibly simply typecast it to integer, but there are
// certain fringe cases that must not return an integer. // certain fringe cases that must not return an integer.
@ -49,7 +59,9 @@ class HTMLPurifier_AttrDef_Integer extends HTMLPurifier_AttrDef
// clip leading sign // clip leading sign
if ($this->negative && $integer[0] === '-') { if ($this->negative && $integer[0] === '-') {
$digits = substr($integer, 1); $digits = substr($integer, 1);
if ($digits === '0') $integer = '0'; // rm minus sign for zero if ($digits === '0') {
$integer = '0';
} // rm minus sign for zero
} elseif ($this->positive && $integer[0] === '+') { } elseif ($this->positive && $integer[0] === '+') {
$digits = $integer = substr($integer, 1); // rm unnecessary plus $digits = $integer = substr($integer, 1); // rm unnecessary plus
} else { } else {
@ -57,17 +69,23 @@ class HTMLPurifier_AttrDef_Integer extends HTMLPurifier_AttrDef
} }
// test if it's numeric // test if it's numeric
if (!ctype_digit($digits)) return false; if (!ctype_digit($digits)) {
return false;
// perform scope tests
if (!$this->zero && $integer == 0) return false;
if (!$this->positive && $integer > 0) return false;
if (!$this->negative && $integer < 0) return false;
return $integer;
} }
// perform scope tests
if (!$this->zero && $integer == 0) {
return false;
}
if (!$this->positive && $integer > 0) {
return false;
}
if (!$this->negative && $integer < 0) {
return false;
}
return $integer;
}
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -7,15 +7,25 @@
class HTMLPurifier_AttrDef_Lang extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_Lang extends HTMLPurifier_AttrDef
{ {
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = trim($string); $string = trim($string);
if (!$string) return false; if (!$string) {
return false;
}
$subtags = explode('-', $string); $subtags = explode('-', $string);
$num_subtags = count($subtags); $num_subtags = count($subtags);
if ($num_subtags == 0) return false; // sanity check if ($num_subtags == 0) { // sanity check
return false;
}
// process primary subtag : $subtags[0] // process primary subtag : $subtags[0]
$length = strlen($subtags[0]); $length = strlen($subtags[0]);
@ -40,17 +50,23 @@ class HTMLPurifier_AttrDef_Lang extends HTMLPurifier_AttrDef
} }
$new_string = $subtags[0]; $new_string = $subtags[0];
if ($num_subtags == 1) return $new_string; if ($num_subtags == 1) {
return $new_string;
}
// process second subtag : $subtags[1] // process second subtag : $subtags[1]
$length = strlen($subtags[1]); $length = strlen($subtags[1]);
if ($length == 0 || ($length == 1 && $subtags[1] != 'x') || $length > 8 || !ctype_alnum($subtags[1])) { if ($length == 0 || ($length == 1 && $subtags[1] != 'x') || $length > 8 || !ctype_alnum($subtags[1])) {
return $new_string; return $new_string;
} }
if (!ctype_lower($subtags[1])) $subtags[1] = strtolower($subtags[1]); if (!ctype_lower($subtags[1])) {
$subtags[1] = strtolower($subtags[1]);
}
$new_string .= '-' . $subtags[1]; $new_string .= '-' . $subtags[1];
if ($num_subtags == 2) return $new_string; if ($num_subtags == 2) {
return $new_string;
}
// process all other subtags, index 2 and up // process all other subtags, index 2 and up
for ($i = 2; $i < $num_subtags; $i++) { for ($i = 2; $i < $num_subtags; $i++) {
@ -63,11 +79,8 @@ class HTMLPurifier_AttrDef_Lang extends HTMLPurifier_AttrDef
} }
$new_string .= '-' . $subtags[$i]; $new_string .= '-' . $subtags[$i];
} }
return $new_string; return $new_string;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -6,21 +6,41 @@
class HTMLPurifier_AttrDef_Switch class HTMLPurifier_AttrDef_Switch
{ {
/**
* @type string
*/
protected $tag; protected $tag;
protected $withTag, $withoutTag;
/**
* @type HTMLPurifier_AttrDef
*/
protected $withTag;
/**
* @type HTMLPurifier_AttrDef
*/
protected $withoutTag;
/** /**
* @param string $tag Tag name to switch upon * @param string $tag Tag name to switch upon
* @param HTMLPurifier_AttrDef $with_tag Call if token matches tag * @param HTMLPurifier_AttrDef $with_tag Call if token matches tag
* @param HTMLPurifier_AttrDef $without_tag Call if token doesn't match, or there is no token * @param HTMLPurifier_AttrDef $without_tag Call if token doesn't match, or there is no token
*/ */
public function __construct($tag, $with_tag, $without_tag) { public function __construct($tag, $with_tag, $without_tag)
{
$this->tag = $tag; $this->tag = $tag;
$this->withTag = $with_tag; $this->withTag = $with_tag;
$this->withoutTag = $without_tag; $this->withoutTag = $without_tag;
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$token = $context->get('CurrentToken', true); $token = $context->get('CurrentToken', true);
if (!$token || $token->name !== $this->tag) { if (!$token || $token->name !== $this->tag) {
return $this->withoutTag->validate($string, $config, $context); return $this->withoutTag->validate($string, $config, $context);
@ -28,7 +48,6 @@ class HTMLPurifier_AttrDef_Switch
return $this->withTag->validate($string, $config, $context); return $this->withTag->validate($string, $config, $context);
} }
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -6,10 +6,16 @@
class HTMLPurifier_AttrDef_Text extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_Text extends HTMLPurifier_AttrDef
{ {
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
return $this->parseCDATA($string); return $this->parseCDATA($string);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -7,31 +7,54 @@
class HTMLPurifier_AttrDef_URI extends HTMLPurifier_AttrDef class HTMLPurifier_AttrDef_URI extends HTMLPurifier_AttrDef
{ {
/**
* @type HTMLPurifier_URIParser
*/
protected $parser; protected $parser;
/**
* @type bool
*/
protected $embedsResource; protected $embedsResource;
/** /**
* @param $embeds_resource_resource Does the URI here result in an extra HTTP request? * @param bool $embeds_resource Does the URI here result in an extra HTTP request?
*/ */
public function __construct($embeds_resource = false) { public function __construct($embeds_resource = false)
{
$this->parser = new HTMLPurifier_URIParser(); $this->parser = new HTMLPurifier_URIParser();
$this->embedsResource = (bool)$embeds_resource; $this->embedsResource = (bool)$embeds_resource;
} }
public function make($string) { /**
* @param string $string
* @return HTMLPurifier_AttrDef_URI
*/
public function make($string)
{
$embeds = ($string === 'embedded'); $embeds = ($string === 'embedded');
return new HTMLPurifier_AttrDef_URI($embeds); return new HTMLPurifier_AttrDef_URI($embeds);
} }
public function validate($uri, $config, $context) { /**
* @param string $uri
if ($config->get('URI.Disable')) return false; * @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($uri, $config, $context)
{
if ($config->get('URI.Disable')) {
return false;
}
$uri = $this->parseCDATA($uri); $uri = $this->parseCDATA($uri);
// parse the URI // parse the URI
$uri = $this->parser->parse($uri); $uri = $this->parser->parse($uri);
if ($uri === false) return false; if ($uri === false) {
return false;
}
// add embedded flag to context for validators // add embedded flag to context for validators
$context->register('EmbeddedURI', $this->embedsResource); $context->register('EmbeddedURI', $this->embedsResource);
@ -41,23 +64,35 @@ class HTMLPurifier_AttrDef_URI extends HTMLPurifier_AttrDef
// generic validation // generic validation
$result = $uri->validate($config, $context); $result = $uri->validate($config, $context);
if (!$result) break; if (!$result) {
break;
}
// chained filtering // chained filtering
$uri_def = $config->getDefinition('URI'); $uri_def = $config->getDefinition('URI');
$result = $uri_def->filter($uri, $config, $context); $result = $uri_def->filter($uri, $config, $context);
if (!$result) break; if (!$result) {
break;
}
// scheme-specific validation // scheme-specific validation
$scheme_obj = $uri->getSchemeObj($config, $context); $scheme_obj = $uri->getSchemeObj($config, $context);
if (!$scheme_obj) break; if (!$scheme_obj) {
if ($this->embedsResource && !$scheme_obj->browsable) break; break;
}
if ($this->embedsResource && !$scheme_obj->browsable) {
break;
}
$result = $scheme_obj->validate($uri, $config, $context); $result = $scheme_obj->validate($uri, $config, $context);
if (!$result) break; if (!$result) {
break;
}
// Post chained filtering // Post chained filtering
$result = $uri_def->postFilter($uri, $config, $context); $result = $uri_def->postFilter($uri, $config, $context);
if (!$result) break; if (!$result) {
break;
}
// survived gauntlet // survived gauntlet
$ok = true; $ok = true;
@ -65,13 +100,12 @@ class HTMLPurifier_AttrDef_URI extends HTMLPurifier_AttrDef
} while (false); } while (false);
$context->destroy('EmbeddedURI'); $context->destroy('EmbeddedURI');
if (!$ok) return false; if (!$ok) {
return false;
}
// back to string // back to string
return $uri->toString(); return $uri->toString();
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -5,8 +5,11 @@ abstract class HTMLPurifier_AttrDef_URI_Email extends HTMLPurifier_AttrDef
/** /**
* Unpacks a mailbox into its display-name and address * Unpacks a mailbox into its display-name and address
* @param string $string
* @return mixed
*/ */
function unpack($string) { public function unpack($string)
{
// needs to be implemented // needs to be implemented
} }

View File

@ -7,15 +7,23 @@
class HTMLPurifier_AttrDef_URI_Email_SimpleCheck extends HTMLPurifier_AttrDef_URI_Email class HTMLPurifier_AttrDef_URI_Email_SimpleCheck extends HTMLPurifier_AttrDef_URI_Email
{ {
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
// no support for named mailboxes i.e. "Bob <bob@example.com>" // no support for named mailboxes i.e. "Bob <bob@example.com>"
// that needs more percent encoding to be done // that needs more percent encoding to be done
if ($string == '') return false; if ($string == '') {
return false;
}
$string = trim($string); $string = trim($string);
$result = preg_match('/^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i', $string); $result = preg_match('/^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i', $string);
return $result ? $string : false; return $result ? $string : false;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -7,21 +7,31 @@ class HTMLPurifier_AttrDef_URI_Host extends HTMLPurifier_AttrDef
{ {
/** /**
* Instance of HTMLPurifier_AttrDef_URI_IPv4 sub-validator * IPv4 sub-validator.
* @type HTMLPurifier_AttrDef_URI_IPv4
*/ */
protected $ipv4; protected $ipv4;
/** /**
* Instance of HTMLPurifier_AttrDef_URI_IPv6 sub-validator * IPv6 sub-validator.
* @type HTMLPurifier_AttrDef_URI_IPv6
*/ */
protected $ipv6; protected $ipv6;
public function __construct() { public function __construct()
{
$this->ipv4 = new HTMLPurifier_AttrDef_URI_IPv4(); $this->ipv4 = new HTMLPurifier_AttrDef_URI_IPv4();
$this->ipv6 = new HTMLPurifier_AttrDef_URI_IPv6(); $this->ipv6 = new HTMLPurifier_AttrDef_URI_IPv6();
} }
public function validate($string, $config, $context) { /**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$length = strlen($string); $length = strlen($string);
// empty hostname is OK; it's usually semantically equivalent: // empty hostname is OK; it's usually semantically equivalent:
// the default host as defined by a URI scheme is used: // the default host as defined by a URI scheme is used:
@ -29,18 +39,24 @@ class HTMLPurifier_AttrDef_URI_Host extends HTMLPurifier_AttrDef
// If the URI scheme defines a default for host, then that // If the URI scheme defines a default for host, then that
// default applies when the host subcomponent is undefined // default applies when the host subcomponent is undefined
// or when the registered name is empty (zero length). // or when the registered name is empty (zero length).
if ($string === '') return ''; if ($string === '') {
return '';
}
if ($length > 1 && $string[0] === '[' && $string[$length - 1] === ']') { if ($length > 1 && $string[0] === '[' && $string[$length - 1] === ']') {
//IPv6 //IPv6
$ip = substr($string, 1, $length - 2); $ip = substr($string, 1, $length - 2);
$valid = $this->ipv6->validate($ip, $config, $context); $valid = $this->ipv6->validate($ip, $config, $context);
if ($valid === false) return false; if ($valid === false) {
return false;
}
return '[' . $valid . ']'; return '[' . $valid . ']';
} }
// need to do checks on unusual encodings too // need to do checks on unusual encodings too
$ipv4 = $this->ipv4->validate($string, $config, $context); $ipv4 = $this->ipv4->validate($string, $config, $context);
if ($ipv4 !== false) return $ipv4; if ($ipv4 !== false) {
return $ipv4;
}
// A regular domain name. // A regular domain name.
@ -105,10 +121,8 @@ class HTMLPurifier_AttrDef_URI_Host extends HTMLPurifier_AttrDef
// XXX error reporting // XXX error reporting
} }
} }
return false; return false;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -8,32 +8,38 @@ class HTMLPurifier_AttrDef_URI_IPv4 extends HTMLPurifier_AttrDef
{ {
/** /**
* IPv4 regex, protected so that IPv6 can reuse it * IPv4 regex, protected so that IPv6 can reuse it.
* @type string
*/ */
protected $ip4; protected $ip4;
public function validate($aIP, $config, $context) { /**
* @param string $aIP
if (!$this->ip4) $this->_loadRegex(); * @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
if (preg_match('#^' . $this->ip4 . '$#s', $aIP)) * @return bool|string
*/
public function validate($aIP, $config, $context)
{ {
return $aIP; if (!$this->ip4) {
$this->_loadRegex();
} }
if (preg_match('#^' . $this->ip4 . '$#s', $aIP)) {
return $aIP;
}
return false; return false;
} }
/** /**
* Lazy load function to prevent regex from being stuffed in * Lazy load function to prevent regex from being stuffed in
* cache. * cache.
*/ */
protected function _loadRegex() { protected function _loadRegex()
{
$oct = '(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])'; // 0-255 $oct = '(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])'; // 0-255
$this->ip4 = "(?:{$oct}\\.{$oct}\\.{$oct}\\.{$oct})"; $this->ip4 = "(?:{$oct}\\.{$oct}\\.{$oct}\\.{$oct})";
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -9,9 +9,17 @@
class HTMLPurifier_AttrDef_URI_IPv6 extends HTMLPurifier_AttrDef_URI_IPv4 class HTMLPurifier_AttrDef_URI_IPv6 extends HTMLPurifier_AttrDef_URI_IPv4
{ {
public function validate($aIP, $config, $context) { /**
* @param string $aIP
if (!$this->ip4) $this->_loadRegex(); * @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($aIP, $config, $context)
{
if (!$this->ip4) {
$this->_loadRegex();
}
$original = $aIP; $original = $aIP;
@ -20,22 +28,17 @@ class HTMLPurifier_AttrDef_URI_IPv6 extends HTMLPurifier_AttrDef_URI_IPv4
$pre = '(?:/(?:12[0-8]|1[0-1][0-9]|[1-9][0-9]|[0-9]))'; // /0 - /128 $pre = '(?:/(?:12[0-8]|1[0-1][0-9]|[1-9][0-9]|[0-9]))'; // /0 - /128
// prefix check // prefix check
if (strpos($aIP, '/') !== false) if (strpos($aIP, '/') !== false) {
{ if (preg_match('#' . $pre . '$#s', $aIP, $find)) {
if (preg_match('#' . $pre . '$#s', $aIP, $find))
{
$aIP = substr($aIP, 0, 0 - strlen($find[0])); $aIP = substr($aIP, 0, 0 - strlen($find[0]));
unset($find); unset($find);
} } else {
else
{
return false; return false;
} }
} }
// IPv4-compatiblity check // IPv4-compatiblity check
if (preg_match('#(?<=:'.')' . $this->ip4 . '$#s', $aIP, $find)) if (preg_match('#(?<=:' . ')' . $this->ip4 . '$#s', $aIP, $find)) {
{
$aIP = substr($aIP, 0, 0 - strlen($find[0])); $aIP = substr($aIP, 0, 0 - strlen($find[0]));
$ip = explode('.', $find[0]); $ip = explode('.', $find[0]);
$ip = array_map('dechex', $ip); $ip = array_map('dechex', $ip);
@ -46,54 +49,41 @@ class HTMLPurifier_AttrDef_URI_IPv6 extends HTMLPurifier_AttrDef_URI_IPv4
// compression check // compression check
$aIP = explode('::', $aIP); $aIP = explode('::', $aIP);
$c = count($aIP); $c = count($aIP);
if ($c > 2) if ($c > 2) {
{
return false; return false;
} } elseif ($c == 2) {
elseif ($c == 2)
{
list($first, $second) = $aIP; list($first, $second) = $aIP;
$first = explode(':', $first); $first = explode(':', $first);
$second = explode(':', $second); $second = explode(':', $second);
if (count($first) + count($second) > 8) if (count($first) + count($second) > 8) {
{
return false; return false;
} }
while(count($first) < 8) while (count($first) < 8) {
{
array_push($first, '0'); array_push($first, '0');
} }
array_splice($first, 8 - count($second), 8, $second); array_splice($first, 8 - count($second), 8, $second);
$aIP = $first; $aIP = $first;
unset($first, $second); unset($first, $second);
} } else {
else
{
$aIP = explode(':', $aIP[0]); $aIP = explode(':', $aIP[0]);
} }
$c = count($aIP); $c = count($aIP);
if ($c != 8) if ($c != 8) {
{
return false; return false;
} }
// All the pieces should be 16-bit hex strings. Are they? // All the pieces should be 16-bit hex strings. Are they?
foreach ($aIP as $piece) foreach ($aIP as $piece) {
{ if (!preg_match('#^[0-9a-fA-F]{4}$#s', sprintf('%04s', $piece))) {
if (!preg_match('#^[0-9a-fA-F]{4}$#s', sprintf('%04s', $piece)))
{
return false; return false;
} }
} }
return $original; return $original;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -20,37 +20,41 @@ abstract class HTMLPurifier_AttrTransform
/** /**
* Abstract: makes changes to the attributes dependent on multiple values. * Abstract: makes changes to the attributes dependent on multiple values.
* *
* @param $attr Assoc array of attributes, usually from * @param array $attr Assoc array of attributes, usually from
* HTMLPurifier_Token_Tag::$attr * HTMLPurifier_Token_Tag::$attr
* @param $config Mandatory HTMLPurifier_Config object. * @param HTMLPurifier_Config $config Mandatory HTMLPurifier_Config object.
* @param $context Mandatory HTMLPurifier_Context object * @param HTMLPurifier_Context $context Mandatory HTMLPurifier_Context object
* @returns Processed attribute array. * @return array Processed attribute array.
*/ */
abstract public function transform($attr, $config, $context); abstract public function transform($attr, $config, $context);
/** /**
* Prepends CSS properties to the style attribute, creating the * Prepends CSS properties to the style attribute, creating the
* attribute if it doesn't exist. * attribute if it doesn't exist.
* @param $attr Attribute array to process (passed by reference) * @param array &$attr Attribute array to process (passed by reference)
* @param $css CSS to prepend * @param string $css CSS to prepend
*/ */
public function prependCSS(&$attr, $css) { public function prependCSS(&$attr, $css)
{
$attr['style'] = isset($attr['style']) ? $attr['style'] : ''; $attr['style'] = isset($attr['style']) ? $attr['style'] : '';
$attr['style'] = $css . $attr['style']; $attr['style'] = $css . $attr['style'];
} }
/** /**
* Retrieves and removes an attribute * Retrieves and removes an attribute
* @param $attr Attribute array to process (passed by reference) * @param array &$attr Attribute array to process (passed by reference)
* @param $key Key of attribute to confiscate * @param mixed $key Key of attribute to confiscate
* @return mixed
*/ */
public function confiscateAttr(&$attr, $key) { public function confiscateAttr(&$attr, $key)
if (!isset($attr[$key])) return null; {
if (!isset($attr[$key])) {
return null;
}
$value = $attr[$key]; $value = $attr[$key];
unset($attr[$key]); unset($attr[$key]);
return $value; return $value;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -3,21 +3,26 @@
/** /**
* Pre-transform that changes proprietary background attribute to CSS. * Pre-transform that changes proprietary background attribute to CSS.
*/ */
class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform { class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform
{
public function transform($attr, $config, $context) { /**
* @param array $attr
if (!isset($attr['background'])) return $attr; * @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr['background'])) {
return $attr;
}
$background = $this->confiscateAttr($attr, 'background'); $background = $this->confiscateAttr($attr, 'background');
// some validation should happen here // some validation should happen here
$this->prependCSS($attr, "background-image:url($background);"); $this->prependCSS($attr, "background-image:url($background);");
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -8,12 +8,20 @@
class HTMLPurifier_AttrTransform_BdoDir extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_BdoDir extends HTMLPurifier_AttrTransform
{ {
public function transform($attr, $config, $context) { /**
if (isset($attr['dir'])) return $attr; * @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (isset($attr['dir'])) {
return $attr;
}
$attr['dir'] = $config->get('Attr.DefaultTextDir'); $attr['dir'] = $config->get('Attr.DefaultTextDir');
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -3,21 +3,26 @@
/** /**
* Pre-transform that changes deprecated bgcolor attribute to CSS. * Pre-transform that changes deprecated bgcolor attribute to CSS.
*/ */
class HTMLPurifier_AttrTransform_BgColor extends HTMLPurifier_AttrTransform { class HTMLPurifier_AttrTransform_BgColor extends HTMLPurifier_AttrTransform
{
public function transform($attr, $config, $context) { /**
* @param array $attr
if (!isset($attr['bgcolor'])) return $attr; * @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr['bgcolor'])) {
return $attr;
}
$bgcolor = $this->confiscateAttr($attr, 'bgcolor'); $bgcolor = $this->confiscateAttr($attr, 'bgcolor');
// some validation should happen here // some validation should happen here
$this->prependCSS($attr, "background-color:$bgcolor;"); $this->prependCSS($attr, "background-color:$bgcolor;");
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -3,34 +3,45 @@
/** /**
* Pre-transform that changes converts a boolean attribute to fixed CSS * Pre-transform that changes converts a boolean attribute to fixed CSS
*/ */
class HTMLPurifier_AttrTransform_BoolToCSS extends HTMLPurifier_AttrTransform { class HTMLPurifier_AttrTransform_BoolToCSS extends HTMLPurifier_AttrTransform
{
/** /**
* Name of boolean attribute that is trigger * Name of boolean attribute that is trigger.
* @type string
*/ */
protected $attr; protected $attr;
/** /**
* CSS declarations to add to style, needs trailing semicolon * CSS declarations to add to style, needs trailing semicolon.
* @type string
*/ */
protected $css; protected $css;
/** /**
* @param $attr string attribute name to convert from * @param string $attr attribute name to convert from
* @param $css string CSS declarations to add to style (needs semicolon) * @param string $css CSS declarations to add to style (needs semicolon)
*/ */
public function __construct($attr, $css) { public function __construct($attr, $css)
{
$this->attr = $attr; $this->attr = $attr;
$this->css = $css; $this->css = $css;
} }
public function transform($attr, $config, $context) { /**
if (!isset($attr[$this->attr])) return $attr; * @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr[$this->attr])) {
return $attr;
}
unset($attr[$this->attr]); unset($attr[$this->attr]);
$this->prependCSS($attr, $this->css); $this->prependCSS($attr, $this->css);
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -3,16 +3,24 @@
/** /**
* Pre-transform that changes deprecated border attribute to CSS. * Pre-transform that changes deprecated border attribute to CSS.
*/ */
class HTMLPurifier_AttrTransform_Border extends HTMLPurifier_AttrTransform { class HTMLPurifier_AttrTransform_Border extends HTMLPurifier_AttrTransform
{
public function transform($attr, $config, $context) { /**
if (!isset($attr['border'])) return $attr; * @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr['border'])) {
return $attr;
}
$border_width = $this->confiscateAttr($attr, 'border'); $border_width = $this->confiscateAttr($attr, 'border');
// some validation should happen here // some validation should happen here
$this->prependCSS($attr, "border:{$border_width}px solid;"); $this->prependCSS($attr, "border:{$border_width}px solid;");
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -4,55 +4,65 @@
* Generic pre-transform that converts an attribute with a fixed number of * Generic pre-transform that converts an attribute with a fixed number of
* values (enumerated) to CSS. * values (enumerated) to CSS.
*/ */
class HTMLPurifier_AttrTransform_EnumToCSS extends HTMLPurifier_AttrTransform { class HTMLPurifier_AttrTransform_EnumToCSS extends HTMLPurifier_AttrTransform
{
/** /**
* Name of attribute to transform from * Name of attribute to transform from.
* @type string
*/ */
protected $attr; protected $attr;
/** /**
* Lookup array of attribute values to CSS * Lookup array of attribute values to CSS.
* @type array
*/ */
protected $enumToCSS = array(); protected $enumToCSS = array();
/** /**
* Case sensitivity of the matching * Case sensitivity of the matching.
* @type bool
* @warning Currently can only be guaranteed to work with ASCII * @warning Currently can only be guaranteed to work with ASCII
* values. * values.
*/ */
protected $caseSensitive = false; protected $caseSensitive = false;
/** /**
* @param $attr String attribute name to transform from * @param string $attr Attribute name to transform from
* @param $enumToCSS Lookup array of attribute values to CSS * @param array $enum_to_css Lookup array of attribute values to CSS
* @param $case_sensitive Boolean case sensitivity indicator, default false * @param bool $case_sensitive Case sensitivity indicator, default false
*/ */
public function __construct($attr, $enum_to_css, $case_sensitive = false) { public function __construct($attr, $enum_to_css, $case_sensitive = false)
{
$this->attr = $attr; $this->attr = $attr;
$this->enumToCSS = $enum_to_css; $this->enumToCSS = $enum_to_css;
$this->caseSensitive = (bool)$case_sensitive; $this->caseSensitive = (bool)$case_sensitive;
} }
public function transform($attr, $config, $context) { /**
* @param array $attr
if (!isset($attr[$this->attr])) return $attr; * @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr[$this->attr])) {
return $attr;
}
$value = trim($attr[$this->attr]); $value = trim($attr[$this->attr]);
unset($attr[$this->attr]); unset($attr[$this->attr]);
if (!$this->caseSensitive) $value = strtolower($value); if (!$this->caseSensitive) {
$value = strtolower($value);
}
if (!isset($this->enumToCSS[$value])) { if (!isset($this->enumToCSS[$value])) {
return $attr; return $attr;
} }
$this->prependCSS($attr, $this->enumToCSS[$value]); $this->prependCSS($attr, $this->enumToCSS[$value]);
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -11,11 +11,19 @@
class HTMLPurifier_AttrTransform_ImgRequired extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_ImgRequired extends HTMLPurifier_AttrTransform
{ {
public function transform($attr, $config, $context) { /**
* @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
$src = true; $src = true;
if (!isset($attr['src'])) { if (!isset($attr['src'])) {
if ($config->get('Core.RemoveInvalidImg')) return $attr; if ($config->get('Core.RemoveInvalidImg')) {
return $attr;
}
$attr['src'] = $config->get('Attr.DefaultInvalidImage'); $attr['src'] = $config->get('Attr.DefaultInvalidImage');
$src = false; $src = false;
} }
@ -33,11 +41,8 @@ class HTMLPurifier_AttrTransform_ImgRequired extends HTMLPurifier_AttrTransform
$attr['alt'] = $config->get('Attr.DefaultInvalidImageAlt'); $attr['alt'] = $config->get('Attr.DefaultInvalidImageAlt');
} }
} }
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -3,42 +3,59 @@
/** /**
* Pre-transform that changes deprecated hspace and vspace attributes to CSS * Pre-transform that changes deprecated hspace and vspace attributes to CSS
*/ */
class HTMLPurifier_AttrTransform_ImgSpace extends HTMLPurifier_AttrTransform { class HTMLPurifier_AttrTransform_ImgSpace extends HTMLPurifier_AttrTransform
{
/**
* @type string
*/
protected $attr; protected $attr;
/**
* @type array
*/
protected $css = array( protected $css = array(
'hspace' => array('left', 'right'), 'hspace' => array('left', 'right'),
'vspace' => array('top', 'bottom') 'vspace' => array('top', 'bottom')
); );
public function __construct($attr) { /**
* @param string $attr
*/
public function __construct($attr)
{
$this->attr = $attr; $this->attr = $attr;
if (!isset($this->css[$attr])) { if (!isset($this->css[$attr])) {
trigger_error(htmlspecialchars($attr) . ' is not valid space attribute'); trigger_error(htmlspecialchars($attr) . ' is not valid space attribute');
} }
} }
public function transform($attr, $config, $context) { /**
* @param array $attr
if (!isset($attr[$this->attr])) return $attr; * @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr[$this->attr])) {
return $attr;
}
$width = $this->confiscateAttr($attr, $this->attr); $width = $this->confiscateAttr($attr, $this->attr);
// some validation could happen here // some validation could happen here
if (!isset($this->css[$this->attr])) return $attr; if (!isset($this->css[$this->attr])) {
return $attr;
}
$style = ''; $style = '';
foreach ($this->css[$this->attr] as $suffix) { foreach ($this->css[$this->attr] as $suffix) {
$property = "margin-$suffix"; $property = "margin-$suffix";
$style .= "$property:{$width}px;"; $style .= "$property:{$width}px;";
} }
$this->prependCSS($attr, $style); $this->prependCSS($attr, $style);
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -4,17 +4,31 @@
* Performs miscellaneous cross attribute validation and filtering for * Performs miscellaneous cross attribute validation and filtering for
* input elements. This is meant to be a post-transform. * input elements. This is meant to be a post-transform.
*/ */
class HTMLPurifier_AttrTransform_Input extends HTMLPurifier_AttrTransform { class HTMLPurifier_AttrTransform_Input extends HTMLPurifier_AttrTransform
{
/**
* @type HTMLPurifier_AttrDef_HTML_Pixels
*/
protected $pixels; protected $pixels;
public function __construct() { public function __construct()
{
$this->pixels = new HTMLPurifier_AttrDef_HTML_Pixels(); $this->pixels = new HTMLPurifier_AttrDef_HTML_Pixels();
} }
public function transform($attr, $config, $context) { /**
if (!isset($attr['type'])) $t = 'text'; * @param array $attr
else $t = strtolower($attr['type']); * @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr['type'])) {
$t = 'text';
} else {
$t = strtolower($attr['type']);
}
if (isset($attr['checked']) && $t !== 'radio' && $t !== 'checkbox') { if (isset($attr['checked']) && $t !== 'radio' && $t !== 'checkbox') {
unset($attr['checked']); unset($attr['checked']);
} }
@ -23,8 +37,11 @@ class HTMLPurifier_AttrTransform_Input extends HTMLPurifier_AttrTransform {
} }
if (isset($attr['size']) && $t !== 'text' && $t !== 'password') { if (isset($attr['size']) && $t !== 'text' && $t !== 'password') {
$result = $this->pixels->validate($attr['size'], $config, $context); $result = $this->pixels->validate($attr['size'], $config, $context);
if ($result === false) unset($attr['size']); if ($result === false) {
else $attr['size'] = $result; unset($attr['size']);
} else {
$attr['size'] = $result;
}
} }
if (isset($attr['src']) && $t !== 'image') { if (isset($attr['src']) && $t !== 'image') {
unset($attr['src']); unset($attr['src']);
@ -34,7 +51,6 @@ class HTMLPurifier_AttrTransform_Input extends HTMLPurifier_AttrTransform {
} }
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -8,8 +8,14 @@
class HTMLPurifier_AttrTransform_Lang extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_Lang extends HTMLPurifier_AttrTransform
{ {
public function transform($attr, $config, $context) { /**
* @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
$lang = isset($attr['lang']) ? $attr['lang'] : false; $lang = isset($attr['lang']) ? $attr['lang'] : false;
$xml_lang = isset($attr['xml:lang']) ? $attr['xml:lang'] : false; $xml_lang = isset($attr['xml:lang']) ? $attr['xml:lang'] : false;
@ -18,11 +24,8 @@ class HTMLPurifier_AttrTransform_Lang extends HTMLPurifier_AttrTransform
} elseif ($xml_lang !== false) { } elseif ($xml_lang !== false) {
$attr['lang'] = $xml_lang; $attr['lang'] = $xml_lang;
} }
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -6,22 +6,40 @@
class HTMLPurifier_AttrTransform_Length extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_Length extends HTMLPurifier_AttrTransform
{ {
/**
* @type string
*/
protected $name; protected $name;
/**
* @type string
*/
protected $cssName; protected $cssName;
public function __construct($name, $css_name = null) { public function __construct($name, $css_name = null)
{
$this->name = $name; $this->name = $name;
$this->cssName = $css_name ? $css_name : $name; $this->cssName = $css_name ? $css_name : $name;
} }
public function transform($attr, $config, $context) { /**
if (!isset($attr[$this->name])) return $attr; * @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr[$this->name])) {
return $attr;
}
$length = $this->confiscateAttr($attr, $this->name); $length = $this->confiscateAttr($attr, $this->name);
if(ctype_digit($length)) $length .= 'px'; if (ctype_digit($length)) {
$length .= 'px';
}
$this->prependCSS($attr, $this->cssName . ":$length;"); $this->prependCSS($attr, $this->cssName . ":$length;");
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -6,16 +6,28 @@
class HTMLPurifier_AttrTransform_Name extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_Name extends HTMLPurifier_AttrTransform
{ {
public function transform($attr, $config, $context) { /**
* @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
// Abort early if we're using relaxed definition of name // Abort early if we're using relaxed definition of name
if ($config->get('HTML.Attr.Name.UseCDATA')) return $attr; if ($config->get('HTML.Attr.Name.UseCDATA')) {
if (!isset($attr['name'])) return $attr; return $attr;
}
if (!isset($attr['name'])) {
return $attr;
}
$id = $this->confiscateAttr($attr, 'name'); $id = $this->confiscateAttr($attr, 'name');
if ( isset($attr['id'])) return $attr; if (isset($attr['id'])) {
return $attr;
}
$attr['id'] = $id; $attr['id'] = $id;
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -8,20 +8,34 @@
class HTMLPurifier_AttrTransform_NameSync extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_NameSync extends HTMLPurifier_AttrTransform
{ {
public function __construct() { public function __construct()
{
$this->idDef = new HTMLPurifier_AttrDef_HTML_ID(); $this->idDef = new HTMLPurifier_AttrDef_HTML_ID();
} }
public function transform($attr, $config, $context) { /**
if (!isset($attr['name'])) return $attr; * @param array $attr
$name = $attr['name']; * @param HTMLPurifier_Config $config
if (isset($attr['id']) && $attr['id'] === $name) return $attr; * @param HTMLPurifier_Context $context
$result = $this->idDef->validate($name, $config, $context); * @return array
if ($result === false) unset($attr['name']); */
else $attr['name'] = $result; public function transform($attr, $config, $context)
{
if (!isset($attr['name'])) {
return $attr;
}
$name = $attr['name'];
if (isset($attr['id']) && $attr['id'] === $name) {
return $attr;
}
$result = $this->idDef->validate($name, $config, $context);
if ($result === false) {
unset($attr['name']);
} else {
$attr['name'] = $result;
}
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -8,14 +8,24 @@
*/ */
class HTMLPurifier_AttrTransform_Nofollow extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_Nofollow extends HTMLPurifier_AttrTransform
{ {
/**
* @type HTMLPurifier_URIParser
*/
private $parser; private $parser;
public function __construct() { public function __construct()
{
$this->parser = new HTMLPurifier_URIParser(); $this->parser = new HTMLPurifier_URIParser();
} }
public function transform($attr, $config, $context) { /**
* @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr['href'])) { if (!isset($attr['href'])) {
return $attr; return $attr;
} }
@ -35,11 +45,8 @@ class HTMLPurifier_AttrTransform_Nofollow extends HTMLPurifier_AttrTransform
$attr['rel'] = 'nofollow'; $attr['rel'] = 'nofollow';
} }
} }
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -2,9 +2,19 @@
class HTMLPurifier_AttrTransform_SafeEmbed extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_SafeEmbed extends HTMLPurifier_AttrTransform
{ {
/**
* @type string
*/
public $name = "SafeEmbed"; public $name = "SafeEmbed";
public function transform($attr, $config, $context) { /**
* @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
$attr['allowscriptaccess'] = 'never'; $attr['allowscriptaccess'] = 'never';
$attr['allownetworking'] = 'internal'; $attr['allownetworking'] = 'internal';
$attr['type'] = 'application/x-shockwave-flash'; $attr['type'] = 'application/x-shockwave-flash';

View File

@ -5,10 +5,22 @@
*/ */
class HTMLPurifier_AttrTransform_SafeObject extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_SafeObject extends HTMLPurifier_AttrTransform
{ {
/**
* @type string
*/
public $name = "SafeObject"; public $name = "SafeObject";
function transform($attr, $config, $context) { /**
if (!isset($attr['type'])) $attr['type'] = 'application/x-shockwave-flash'; * @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr['type'])) {
$attr['type'] = 'application/x-shockwave-flash';
}
return $attr; return $attr;
} }
} }

View File

@ -14,15 +14,30 @@
*/ */
class HTMLPurifier_AttrTransform_SafeParam extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_SafeParam extends HTMLPurifier_AttrTransform
{ {
/**
* @type string
*/
public $name = "SafeParam"; public $name = "SafeParam";
/**
* @type HTMLPurifier_AttrDef_URI
*/
private $uri; private $uri;
public function __construct() { public function __construct()
{
$this->uri = new HTMLPurifier_AttrDef_URI(true); // embedded $this->uri = new HTMLPurifier_AttrDef_URI(true); // embedded
$this->wmode = new HTMLPurifier_AttrDef_Enum(array('window', 'opaque', 'transparent')); $this->wmode = new HTMLPurifier_AttrDef_Enum(array('window', 'opaque', 'transparent'));
} }
public function transform($attr, $config, $context) { /**
* @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
// If we add support for other objects, we'll need to alter the // If we add support for other objects, we'll need to alter the
// transforms. // transforms.
switch ($attr['name']) { switch ($attr['name']) {

View File

@ -5,7 +5,14 @@
*/ */
class HTMLPurifier_AttrTransform_ScriptRequired extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_ScriptRequired extends HTMLPurifier_AttrTransform
{ {
public function transform($attr, $config, $context) { /**
* @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr['type'])) { if (!isset($attr['type'])) {
$attr['type'] = 'text/javascript'; $attr['type'] = 'text/javascript';
} }

View File

@ -9,14 +9,24 @@
*/ */
class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform
{ {
/**
* @type HTMLPurifier_URIParser
*/
private $parser; private $parser;
public function __construct() { public function __construct()
{
$this->parser = new HTMLPurifier_URIParser(); $this->parser = new HTMLPurifier_URIParser();
} }
public function transform($attr, $config, $context) { /**
* @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
if (!isset($attr['href'])) { if (!isset($attr['href'])) {
return $attr; return $attr;
} }
@ -28,11 +38,8 @@ class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform
if ($scheme->browsable && !$url->isBenign($config, $context)) { if ($scheme->browsable && !$url->isBenign($config, $context)) {
$attr['target'] = '_blank'; $attr['target'] = '_blank';
} }
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -5,14 +5,23 @@
*/ */
class HTMLPurifier_AttrTransform_Textarea extends HTMLPurifier_AttrTransform class HTMLPurifier_AttrTransform_Textarea extends HTMLPurifier_AttrTransform
{ {
/**
public function transform($attr, $config, $context) { * @param array $attr
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function transform($attr, $config, $context)
{
// Calculated from Firefox // Calculated from Firefox
if (!isset($attr['cols'])) $attr['cols'] = '22'; if (!isset($attr['cols'])) {
if (!isset($attr['rows'])) $attr['rows'] = '3'; $attr['cols'] = '22';
}
if (!isset($attr['rows'])) {
$attr['rows'] = '3';
}
return $attr; return $attr;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -6,7 +6,8 @@
class HTMLPurifier_AttrTypes class HTMLPurifier_AttrTypes
{ {
/** /**
* Lookup array of attribute string identifiers to concrete implementations * Lookup array of attribute string identifiers to concrete implementations.
* @type HTMLPurifier_AttrDef[]
*/ */
protected $info = array(); protected $info = array();
@ -14,7 +15,8 @@ class HTMLPurifier_AttrTypes
* Constructs the info array, supplying default implementations for attribute * Constructs the info array, supplying default implementations for attribute
* types. * types.
*/ */
public function __construct() { public function __construct()
{
// XXX This is kind of poor, since we don't actually /clone/ // XXX This is kind of poor, since we don't actually /clone/
// instances; instead, we use the supplied make() attribute. So, // instances; instead, we use the supplied make() attribute. So,
// the underlying class must know how to deal with arguments. // the underlying class must know how to deal with arguments.
@ -54,36 +56,39 @@ class HTMLPurifier_AttrTypes
$this->info['Number'] = new HTMLPurifier_AttrDef_Integer(false, false, true); $this->info['Number'] = new HTMLPurifier_AttrDef_Integer(false, false, true);
} }
private static function makeEnum($in) { private static function makeEnum($in)
{
return new HTMLPurifier_AttrDef_Clone(new HTMLPurifier_AttrDef_Enum(explode(',', $in))); return new HTMLPurifier_AttrDef_Clone(new HTMLPurifier_AttrDef_Enum(explode(',', $in)));
} }
/** /**
* Retrieves a type * Retrieves a type
* @param $type String type name * @param string $type String type name
* @return Object AttrDef for type * @return HTMLPurifier_AttrDef Object AttrDef for type
*/ */
public function get($type) { public function get($type)
{
// determine if there is any extra info tacked on // determine if there is any extra info tacked on
if (strpos($type, '#') !== false) list($type, $string) = explode('#', $type, 2); if (strpos($type, '#') !== false) {
else $string = ''; list($type, $string) = explode('#', $type, 2);
} else {
$string = '';
}
if (!isset($this->info[$type])) { if (!isset($this->info[$type])) {
trigger_error('Cannot retrieve undefined attribute type ' . $type, E_USER_ERROR); trigger_error('Cannot retrieve undefined attribute type ' . $type, E_USER_ERROR);
return; return;
} }
return $this->info[$type]->make($string); return $this->info[$type]->make($string);
} }
/** /**
* Sets a new implementation for a type * Sets a new implementation for a type
* @param $type String type name * @param string $type String type name
* @param $impl Object AttrDef for type * @param HTMLPurifier_AttrDef $impl Object AttrDef for type
*/ */
public function set($type, $impl) { public function set($type, $impl)
{
$this->info[$type] = $impl; $this->info[$type] = $impl;
} }
} }

View File

@ -11,15 +11,16 @@ class HTMLPurifier_AttrValidator
/** /**
* Validates the attributes of a token, returning a modified token * Validates the attributes of a token, returning a modified token
* that has valid tokens * that has valid tokens
* @param $token Reference to token to validate. We require a reference * @param HTMLPurifier_Token $token Reference to token to validate. We require a reference
* because the operation this class performs on the token are * because the operation this class performs on the token are
* not atomic, so the context CurrentToken to be updated * not atomic, so the context CurrentToken to be updated
* throughout * throughout
* @param $config Instance of HTMLPurifier_Config * @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config
* @param $context Instance of HTMLPurifier_Context * @param HTMLPurifier_Context $context Instance of HTMLPurifier_Context
* @return HTMLPurifier_Token
*/ */
public function validateToken(&$token, &$config, $context) { public function validateToken(&$token, &$config, $context)
{
$definition = $config->getHTMLDefinition(); $definition = $config->getHTMLDefinition();
$e =& $context->get('ErrorCollector', true); $e =& $context->get('ErrorCollector', true);
@ -32,12 +33,15 @@ class HTMLPurifier_AttrValidator
// initialize CurrentToken if necessary // initialize CurrentToken if necessary
$current_token =& $context->get('CurrentToken', true); $current_token =& $context->get('CurrentToken', true);
if (!$current_token) $context->register('CurrentToken', $token); if (!$current_token) {
$context->register('CurrentToken', $token);
}
if ( if (!$token instanceof HTMLPurifier_Token_Start &&
!$token instanceof HTMLPurifier_Token_Start &&
!$token instanceof HTMLPurifier_Token_Empty !$token instanceof HTMLPurifier_Token_Empty
) return $token; ) {
return $token;
}
// create alias to global definition array, see also $defs // create alias to global definition array, see also $defs
// DEFINITION CALL // DEFINITION CALL
@ -51,7 +55,9 @@ class HTMLPurifier_AttrValidator
foreach ($definition->info_attr_transform_pre as $transform) { foreach ($definition->info_attr_transform_pre as $transform) {
$attr = $transform->transform($o = $attr, $config, $context); $attr = $transform->transform($o = $attr, $config, $context);
if ($e) { if ($e) {
if ($attr != $o) $e->send(E_NOTICE, 'AttrValidator: Attributes transformed', $o, $attr); if ($attr != $o) {
$e->send(E_NOTICE, 'AttrValidator: Attributes transformed', $o, $attr);
}
} }
} }
@ -60,7 +66,9 @@ class HTMLPurifier_AttrValidator
foreach ($definition->info[$token->name]->attr_transform_pre as $transform) { foreach ($definition->info[$token->name]->attr_transform_pre as $transform) {
$attr = $transform->transform($o = $attr, $config, $context); $attr = $transform->transform($o = $attr, $config, $context);
if ($e) { if ($e) {
if ($attr != $o) $e->send(E_NOTICE, 'AttrValidator: Attributes transformed', $o, $attr); if ($attr != $o) {
$e->send(E_NOTICE, 'AttrValidator: Attributes transformed', $o, $attr);
}
} }
} }
@ -89,14 +97,18 @@ class HTMLPurifier_AttrValidator
} else { } else {
// validate according to the element's definition // validate according to the element's definition
$result = $defs[$attr_key]->validate( $result = $defs[$attr_key]->validate(
$value, $config, $context $value,
$config,
$context
); );
} }
} elseif (isset($d_defs[$attr_key])) { } elseif (isset($d_defs[$attr_key])) {
// there is a global definition defined, validate according // there is a global definition defined, validate according
// to the global definition // to the global definition
$result = $d_defs[$attr_key]->validate( $result = $d_defs[$attr_key]->validate(
$value, $config, $context $value,
$config,
$context
); );
} else { } else {
// system never heard of the attribute? DELETE! // system never heard of the attribute? DELETE!
@ -107,7 +119,9 @@ class HTMLPurifier_AttrValidator
if ($result === false || $result === null) { if ($result === false || $result === null) {
// this is a generic error message that should replaced // this is a generic error message that should replaced
// with more specific ones when possible // with more specific ones when possible
if ($e) $e->send(E_ERROR, 'AttrValidator: Attribute removed'); if ($e) {
$e->send(E_ERROR, 'AttrValidator: Attribute removed');
}
// remove the attribute // remove the attribute
unset($attr[$attr_key]); unset($attr[$attr_key]);
@ -137,7 +151,9 @@ class HTMLPurifier_AttrValidator
foreach ($definition->info_attr_transform_post as $transform) { foreach ($definition->info_attr_transform_post as $transform) {
$attr = $transform->transform($o = $attr, $config, $context); $attr = $transform->transform($o = $attr, $config, $context);
if ($e) { if ($e) {
if ($attr != $o) $e->send(E_NOTICE, 'AttrValidator: Attributes transformed', $o, $attr); if ($attr != $o) {
$e->send(E_NOTICE, 'AttrValidator: Attributes transformed', $o, $attr);
}
} }
} }
@ -145,14 +161,18 @@ class HTMLPurifier_AttrValidator
foreach ($definition->info[$token->name]->attr_transform_post as $transform) { foreach ($definition->info[$token->name]->attr_transform_post as $transform) {
$attr = $transform->transform($o = $attr, $config, $context); $attr = $transform->transform($o = $attr, $config, $context);
if ($e) { if ($e) {
if ($attr != $o) $e->send(E_NOTICE, 'AttrValidator: Attributes transformed', $o, $attr); if ($attr != $o) {
$e->send(E_NOTICE, 'AttrValidator: Attributes transformed', $o, $attr);
}
} }
} }
$token->attr = $attr; $token->attr = $attr;
// destroy CurrentToken if we made it ourselves // destroy CurrentToken if we made it ourselves
if (!$current_token) $context->destroy('CurrentToken'); if (!$current_token) {
$context->destroy('CurrentToken');
}
} }

View File

@ -32,11 +32,15 @@ class HTMLPurifier_Bootstrap
/** /**
* Autoload function for HTML Purifier * Autoload function for HTML Purifier
* @param $class Class to load * @param string $class Class to load
* @return bool
*/ */
public static function autoload($class) { public static function autoload($class)
{
$file = HTMLPurifier_Bootstrap::getPath($class); $file = HTMLPurifier_Bootstrap::getPath($class);
if (!$file) return false; if (!$file) {
return false;
}
// Technically speaking, it should be ok and more efficient to // Technically speaking, it should be ok and more efficient to
// just do 'require', but Antonio Parraga reports that with // just do 'require', but Antonio Parraga reports that with
// Zend extensions such as Zend debugger and APC, this invariant // Zend extensions such as Zend debugger and APC, this invariant
@ -48,9 +52,14 @@ class HTMLPurifier_Bootstrap
/** /**
* Returns the path for a specific class. * Returns the path for a specific class.
* @param string $class Class path to get
* @return string
*/ */
public static function getPath($class) { public static function getPath($class)
if (strncmp('HTMLPurifier', $class, 12) !== 0) return false; {
if (strncmp('HTMLPurifier', $class, 12) !== 0) {
return false;
}
// Custom implementations // Custom implementations
if (strncmp('HTMLPurifier_Language_', $class, 22) === 0) { if (strncmp('HTMLPurifier_Language_', $class, 22) === 0) {
$code = str_replace('_', '-', substr($class, 22)); $code = str_replace('_', '-', substr($class, 22));
@ -58,14 +67,17 @@ class HTMLPurifier_Bootstrap
} else { } else {
$file = str_replace('_', '/', $class) . '.php'; $file = str_replace('_', '/', $class) . '.php';
} }
if (!file_exists(HTMLPURIFIER_PREFIX . '/' . $file)) return false; if (!file_exists(HTMLPURIFIER_PREFIX . '/' . $file)) {
return false;
}
return $file; return $file;
} }
/** /**
* "Pre-registers" our autoloader on the SPL stack. * "Pre-registers" our autoloader on the SPL stack.
*/ */
public static function registerAutoload() { public static function registerAutoload()
{
$autoload = array('HTMLPurifier_Bootstrap', 'autoload'); $autoload = array('HTMLPurifier_Bootstrap', 'autoload');
if (($funcs = spl_autoload_functions()) === false) { if (($funcs = spl_autoload_functions()) === false) {
spl_autoload_register($autoload); spl_autoload_register($autoload);
@ -83,27 +95,30 @@ class HTMLPurifier_Bootstrap
// places where we need to error out // places where we need to error out
$reflector = new ReflectionMethod($func[0], $func[1]); $reflector = new ReflectionMethod($func[0], $func[1]);
if (!$reflector->isStatic()) { if (!$reflector->isStatic()) {
throw new Exception(' throw new Exception(
HTML Purifier autoloader registrar is not compatible 'HTML Purifier autoloader registrar is not compatible
with non-static object methods due to PHP Bug #44144; with non-static object methods due to PHP Bug #44144;
Please do not use HTMLPurifier.autoload.php (or any Please do not use HTMLPurifier.autoload.php (or any
file that includes this file); instead, place the code: file that includes this file); instead, place the code:
spl_autoload_register(array(\'HTMLPurifier_Bootstrap\', \'autoload\')) spl_autoload_register(array(\'HTMLPurifier_Bootstrap\', \'autoload\'))
after your own autoloaders. after your own autoloaders.'
'); );
} }
// Suprisingly, spl_autoload_register supports the // Suprisingly, spl_autoload_register supports the
// Class::staticMethod callback format, although call_user_func doesn't // Class::staticMethod callback format, although call_user_func doesn't
if ($compat) $func = implode('::', $func); if ($compat) {
$func = implode('::', $func);
}
} }
spl_autoload_unregister($func); spl_autoload_unregister($func);
} }
spl_autoload_register($autoload); spl_autoload_register($autoload);
foreach ($funcs as $func) spl_autoload_register($func); foreach ($funcs as $func) {
spl_autoload_register($func);
}
} }
} }
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -11,35 +11,59 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
/** /**
* Assoc array of attribute name to definition object. * Assoc array of attribute name to definition object.
* @type HTMLPurifier_AttrDef[]
*/ */
public $info = array(); public $info = array();
/** /**
* Constructs the info array. The meat of this class. * Constructs the info array. The meat of this class.
* @param HTMLPurifier_Config $config
*/ */
protected function doSetup($config) { protected function doSetup($config)
{
$this->info['text-align'] = new HTMLPurifier_AttrDef_Enum( $this->info['text-align'] = new HTMLPurifier_AttrDef_Enum(
array('left', 'right', 'center', 'justify'), false); array('left', 'right', 'center', 'justify'),
false
);
$border_style = $border_style =
$this->info['border-bottom-style'] = $this->info['border-bottom-style'] =
$this->info['border-right-style'] = $this->info['border-right-style'] =
$this->info['border-left-style'] = $this->info['border-left-style'] =
$this->info['border-top-style'] = new HTMLPurifier_AttrDef_Enum( $this->info['border-top-style'] = new HTMLPurifier_AttrDef_Enum(
array('none', 'hidden', 'dotted', 'dashed', 'solid', 'double', array(
'groove', 'ridge', 'inset', 'outset'), false); 'none',
'hidden',
'dotted',
'dashed',
'solid',
'double',
'groove',
'ridge',
'inset',
'outset'
),
false
);
$this->info['border-style'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_style); $this->info['border-style'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_style);
$this->info['clear'] = new HTMLPurifier_AttrDef_Enum( $this->info['clear'] = new HTMLPurifier_AttrDef_Enum(
array('none', 'left', 'right', 'both'), false); array('none', 'left', 'right', 'both'),
false
);
$this->info['float'] = new HTMLPurifier_AttrDef_Enum( $this->info['float'] = new HTMLPurifier_AttrDef_Enum(
array('none', 'left', 'right'), false); array('none', 'left', 'right'),
false
);
$this->info['font-style'] = new HTMLPurifier_AttrDef_Enum( $this->info['font-style'] = new HTMLPurifier_AttrDef_Enum(
array('normal', 'italic', 'oblique'), false); array('normal', 'italic', 'oblique'),
false
);
$this->info['font-variant'] = new HTMLPurifier_AttrDef_Enum( $this->info['font-variant'] = new HTMLPurifier_AttrDef_Enum(
array('normal', 'small-caps'), false); array('normal', 'small-caps'),
false
);
$uri_or_none = new HTMLPurifier_AttrDef_CSS_Composite( $uri_or_none = new HTMLPurifier_AttrDef_CSS_Composite(
array( array(
@ -49,16 +73,31 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
); );
$this->info['list-style-position'] = new HTMLPurifier_AttrDef_Enum( $this->info['list-style-position'] = new HTMLPurifier_AttrDef_Enum(
array('inside', 'outside'), false); array('inside', 'outside'),
false
);
$this->info['list-style-type'] = new HTMLPurifier_AttrDef_Enum( $this->info['list-style-type'] = new HTMLPurifier_AttrDef_Enum(
array('disc', 'circle', 'square', 'decimal', 'lower-roman', array(
'upper-roman', 'lower-alpha', 'upper-alpha', 'none'), false); 'disc',
'circle',
'square',
'decimal',
'lower-roman',
'upper-roman',
'lower-alpha',
'upper-alpha',
'none'
),
false
);
$this->info['list-style-image'] = $uri_or_none; $this->info['list-style-image'] = $uri_or_none;
$this->info['list-style'] = new HTMLPurifier_AttrDef_CSS_ListStyle($config); $this->info['list-style'] = new HTMLPurifier_AttrDef_CSS_ListStyle($config);
$this->info['text-transform'] = new HTMLPurifier_AttrDef_Enum( $this->info['text-transform'] = new HTMLPurifier_AttrDef_Enum(
array('capitalize', 'uppercase', 'lowercase', 'none'), false); array('capitalize', 'uppercase', 'lowercase', 'none'),
false
);
$this->info['color'] = new HTMLPurifier_AttrDef_CSS_Color(); $this->info['color'] = new HTMLPurifier_AttrDef_CSS_Color();
$this->info['background-image'] = $uri_or_none; $this->info['background-image'] = $uri_or_none;
@ -75,10 +114,12 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
$this->info['border-bottom-color'] = $this->info['border-bottom-color'] =
$this->info['border-left-color'] = $this->info['border-left-color'] =
$this->info['border-right-color'] = $this->info['border-right-color'] =
$this->info['background-color'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['background-color'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_Enum(array('transparent')), new HTMLPurifier_AttrDef_Enum(array('transparent')),
new HTMLPurifier_AttrDef_CSS_Color() new HTMLPurifier_AttrDef_CSS_Color()
)); )
);
$this->info['background'] = new HTMLPurifier_AttrDef_CSS_Background($config); $this->info['background'] = new HTMLPurifier_AttrDef_CSS_Background($config);
@ -88,47 +129,69 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
$this->info['border-top-width'] = $this->info['border-top-width'] =
$this->info['border-bottom-width'] = $this->info['border-bottom-width'] =
$this->info['border-left-width'] = $this->info['border-left-width'] =
$this->info['border-right-width'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['border-right-width'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_Enum(array('thin', 'medium', 'thick')), new HTMLPurifier_AttrDef_Enum(array('thin', 'medium', 'thick')),
new HTMLPurifier_AttrDef_CSS_Length('0') //disallow negative new HTMLPurifier_AttrDef_CSS_Length('0') //disallow negative
)); )
);
$this->info['border-width'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_width); $this->info['border-width'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_width);
$this->info['letter-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['letter-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_Enum(array('normal')), new HTMLPurifier_AttrDef_Enum(array('normal')),
new HTMLPurifier_AttrDef_CSS_Length() new HTMLPurifier_AttrDef_CSS_Length()
)); )
);
$this->info['word-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['word-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_Enum(array('normal')), new HTMLPurifier_AttrDef_Enum(array('normal')),
new HTMLPurifier_AttrDef_CSS_Length() new HTMLPurifier_AttrDef_CSS_Length()
)); )
);
$this->info['font-size'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['font-size'] = new HTMLPurifier_AttrDef_CSS_Composite(
new HTMLPurifier_AttrDef_Enum(array('xx-small', 'x-small', array(
'small', 'medium', 'large', 'x-large', 'xx-large', new HTMLPurifier_AttrDef_Enum(
'larger', 'smaller')), array(
'xx-small',
'x-small',
'small',
'medium',
'large',
'x-large',
'xx-large',
'larger',
'smaller'
)
),
new HTMLPurifier_AttrDef_CSS_Percentage(), new HTMLPurifier_AttrDef_CSS_Percentage(),
new HTMLPurifier_AttrDef_CSS_Length() new HTMLPurifier_AttrDef_CSS_Length()
)); )
);
$this->info['line-height'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['line-height'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_Enum(array('normal')), new HTMLPurifier_AttrDef_Enum(array('normal')),
new HTMLPurifier_AttrDef_CSS_Number(true), // no negatives new HTMLPurifier_AttrDef_CSS_Number(true), // no negatives
new HTMLPurifier_AttrDef_CSS_Length('0'), new HTMLPurifier_AttrDef_CSS_Length('0'),
new HTMLPurifier_AttrDef_CSS_Percentage(true) new HTMLPurifier_AttrDef_CSS_Percentage(true)
)); )
);
$margin = $margin =
$this->info['margin-top'] = $this->info['margin-top'] =
$this->info['margin-bottom'] = $this->info['margin-bottom'] =
$this->info['margin-left'] = $this->info['margin-left'] =
$this->info['margin-right'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['margin-right'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length(), new HTMLPurifier_AttrDef_CSS_Length(),
new HTMLPurifier_AttrDef_CSS_Percentage(), new HTMLPurifier_AttrDef_CSS_Percentage(),
new HTMLPurifier_AttrDef_Enum(array('auto')) new HTMLPurifier_AttrDef_Enum(array('auto'))
)); )
);
$this->info['margin'] = new HTMLPurifier_AttrDef_CSS_Multiple($margin); $this->info['margin'] = new HTMLPurifier_AttrDef_CSS_Multiple($margin);
@ -137,35 +200,44 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
$this->info['padding-top'] = $this->info['padding-top'] =
$this->info['padding-bottom'] = $this->info['padding-bottom'] =
$this->info['padding-left'] = $this->info['padding-left'] =
$this->info['padding-right'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['padding-right'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length('0'), new HTMLPurifier_AttrDef_CSS_Length('0'),
new HTMLPurifier_AttrDef_CSS_Percentage(true) new HTMLPurifier_AttrDef_CSS_Percentage(true)
)); )
);
$this->info['padding'] = new HTMLPurifier_AttrDef_CSS_Multiple($padding); $this->info['padding'] = new HTMLPurifier_AttrDef_CSS_Multiple($padding);
$this->info['text-indent'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['text-indent'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length(), new HTMLPurifier_AttrDef_CSS_Length(),
new HTMLPurifier_AttrDef_CSS_Percentage() new HTMLPurifier_AttrDef_CSS_Percentage()
)); )
);
$trusted_wh = new HTMLPurifier_AttrDef_CSS_Composite(array( $trusted_wh = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length('0'), new HTMLPurifier_AttrDef_CSS_Length('0'),
new HTMLPurifier_AttrDef_CSS_Percentage(true), new HTMLPurifier_AttrDef_CSS_Percentage(true),
new HTMLPurifier_AttrDef_Enum(array('auto')) new HTMLPurifier_AttrDef_Enum(array('auto'))
)); )
);
$max = $config->get('CSS.MaxImgLength'); $max = $config->get('CSS.MaxImgLength');
$this->info['width'] = $this->info['width'] =
$this->info['height'] = $this->info['height'] =
$max === null ? $max === null ?
$trusted_wh : $trusted_wh :
new HTMLPurifier_AttrDef_Switch('img', new HTMLPurifier_AttrDef_Switch(
'img',
// For img tags: // For img tags:
new HTMLPurifier_AttrDef_CSS_Composite(array( new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length('0', $max), new HTMLPurifier_AttrDef_CSS_Length('0', $max),
new HTMLPurifier_AttrDef_Enum(array('auto')) new HTMLPurifier_AttrDef_Enum(array('auto'))
)), )
),
// For everyone else: // For everyone else:
$trusted_wh $trusted_wh
); );
@ -176,8 +248,23 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
// this could use specialized code // this could use specialized code
$this->info['font-weight'] = new HTMLPurifier_AttrDef_Enum( $this->info['font-weight'] = new HTMLPurifier_AttrDef_Enum(
array('normal', 'bold', 'bolder', 'lighter', '100', '200', '300', array(
'400', '500', '600', '700', '800', '900'), false); 'normal',
'bold',
'bolder',
'lighter',
'100',
'200',
'300',
'400',
'500',
'600',
'700',
'800',
'900'
),
false
);
// MUST be called after other font properties, as it references // MUST be called after other font properties, as it references
// a CSSDefinition object // a CSSDefinition object
@ -190,27 +277,44 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
$this->info['border-left'] = $this->info['border-left'] =
$this->info['border-right'] = new HTMLPurifier_AttrDef_CSS_Border($config); $this->info['border-right'] = new HTMLPurifier_AttrDef_CSS_Border($config);
$this->info['border-collapse'] = new HTMLPurifier_AttrDef_Enum(array( $this->info['border-collapse'] = new HTMLPurifier_AttrDef_Enum(
'collapse', 'separate')); array('collapse', 'separate')
);
$this->info['caption-side'] = new HTMLPurifier_AttrDef_Enum(array( $this->info['caption-side'] = new HTMLPurifier_AttrDef_Enum(
'top', 'bottom')); array('top', 'bottom')
);
$this->info['table-layout'] = new HTMLPurifier_AttrDef_Enum(array( $this->info['table-layout'] = new HTMLPurifier_AttrDef_Enum(
'auto', 'fixed')); array('auto', 'fixed')
);
$this->info['vertical-align'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['vertical-align'] = new HTMLPurifier_AttrDef_CSS_Composite(
new HTMLPurifier_AttrDef_Enum(array('baseline', 'sub', 'super', array(
'top', 'text-top', 'middle', 'bottom', 'text-bottom')), new HTMLPurifier_AttrDef_Enum(
array(
'baseline',
'sub',
'super',
'top',
'text-top',
'middle',
'bottom',
'text-bottom'
)
),
new HTMLPurifier_AttrDef_CSS_Length(), new HTMLPurifier_AttrDef_CSS_Length(),
new HTMLPurifier_AttrDef_CSS_Percentage() new HTMLPurifier_AttrDef_CSS_Percentage()
)); )
);
$this->info['border-spacing'] = new HTMLPurifier_AttrDef_CSS_Multiple(new HTMLPurifier_AttrDef_CSS_Length(), 2); $this->info['border-spacing'] = new HTMLPurifier_AttrDef_CSS_Multiple(new HTMLPurifier_AttrDef_CSS_Length(), 2);
// These CSS properties don't work on many browsers, but we live // These CSS properties don't work on many browsers, but we live
// in THE FUTURE! // in THE FUTURE!
$this->info['white-space'] = new HTMLPurifier_AttrDef_Enum(array('nowrap', 'normal', 'pre', 'pre-wrap', 'pre-line')); $this->info['white-space'] = new HTMLPurifier_AttrDef_Enum(
array('nowrap', 'normal', 'pre', 'pre-wrap', 'pre-line')
);
if ($config->get('CSS.Proprietary')) { if ($config->get('CSS.Proprietary')) {
$this->doSetupProprietary($config); $this->doSetupProprietary($config);
@ -233,7 +337,11 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
$this->setupConfigStuff($config); $this->setupConfigStuff($config);
} }
protected function doSetupProprietary($config) { /**
* @param HTMLPurifier_Config $config
*/
protected function doSetupProprietary($config)
{
// Internet Explorer only scrollbar colors // Internet Explorer only scrollbar colors
$this->info['scrollbar-arrow-color'] = new HTMLPurifier_AttrDef_CSS_Color(); $this->info['scrollbar-arrow-color'] = new HTMLPurifier_AttrDef_CSS_Color();
$this->info['scrollbar-base-color'] = new HTMLPurifier_AttrDef_CSS_Color(); $this->info['scrollbar-base-color'] = new HTMLPurifier_AttrDef_CSS_Color();
@ -252,57 +360,96 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
// more CSS3 // more CSS3
$this->info['page-break-after'] = $this->info['page-break-after'] =
$this->info['page-break-before'] = new HTMLPurifier_AttrDef_Enum(array('auto','always','avoid','left','right')); $this->info['page-break-before'] = new HTMLPurifier_AttrDef_Enum(
array(
'auto',
'always',
'avoid',
'left',
'right'
)
);
$this->info['page-break-inside'] = new HTMLPurifier_AttrDef_Enum(array('auto', 'avoid')); $this->info['page-break-inside'] = new HTMLPurifier_AttrDef_Enum(array('auto', 'avoid'));
} }
protected function doSetupTricky($config) { /**
$this->info['display'] = new HTMLPurifier_AttrDef_Enum(array( * @param HTMLPurifier_Config $config
'inline', 'block', 'list-item', 'run-in', 'compact', */
'marker', 'table', 'inline-block', 'inline-table', 'table-row-group', protected function doSetupTricky($config)
'table-header-group', 'table-footer-group', 'table-row', {
'table-column-group', 'table-column', 'table-cell', 'table-caption', 'none' $this->info['display'] = new HTMLPurifier_AttrDef_Enum(
)); array(
$this->info['visibility'] = new HTMLPurifier_AttrDef_Enum(array( 'inline',
'visible', 'hidden', 'collapse' 'block',
)); 'list-item',
'run-in',
'compact',
'marker',
'table',
'inline-block',
'inline-table',
'table-row-group',
'table-header-group',
'table-footer-group',
'table-row',
'table-column-group',
'table-column',
'table-cell',
'table-caption',
'none'
)
);
$this->info['visibility'] = new HTMLPurifier_AttrDef_Enum(
array('visible', 'hidden', 'collapse')
);
$this->info['overflow'] = new HTMLPurifier_AttrDef_Enum(array('visible', 'hidden', 'auto', 'scroll')); $this->info['overflow'] = new HTMLPurifier_AttrDef_Enum(array('visible', 'hidden', 'auto', 'scroll'));
} }
protected function doSetupTrusted($config) { /**
$this->info['position'] = new HTMLPurifier_AttrDef_Enum(array( * @param HTMLPurifier_Config $config
'static', 'relative', 'absolute', 'fixed' */
)); protected function doSetupTrusted($config)
{
$this->info['position'] = new HTMLPurifier_AttrDef_Enum(
array('static', 'relative', 'absolute', 'fixed')
);
$this->info['top'] = $this->info['top'] =
$this->info['left'] = $this->info['left'] =
$this->info['right'] = $this->info['right'] =
$this->info['bottom'] = new HTMLPurifier_AttrDef_CSS_Composite(array( $this->info['bottom'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length(), new HTMLPurifier_AttrDef_CSS_Length(),
new HTMLPurifier_AttrDef_CSS_Percentage(), new HTMLPurifier_AttrDef_CSS_Percentage(),
new HTMLPurifier_AttrDef_Enum(array('auto')), new HTMLPurifier_AttrDef_Enum(array('auto')),
)); )
$this->info['z-index'] = new HTMLPurifier_AttrDef_CSS_Composite(array( );
$this->info['z-index'] = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_Integer(), new HTMLPurifier_AttrDef_Integer(),
new HTMLPurifier_AttrDef_Enum(array('auto')), new HTMLPurifier_AttrDef_Enum(array('auto')),
)); )
);
} }
/** /**
* Performs extra config-based processing. Based off of * Performs extra config-based processing. Based off of
* HTMLPurifier_HTMLDefinition. * HTMLPurifier_HTMLDefinition.
* @param HTMLPurifier_Config $config
* @todo Refactor duplicate elements into common class (probably using * @todo Refactor duplicate elements into common class (probably using
* composition, not inheritance). * composition, not inheritance).
*/ */
protected function setupConfigStuff($config) { protected function setupConfigStuff($config)
{
// setup allowed elements // setup allowed elements
$support = "(for information on implementing this, see the " . $support = "(for information on implementing this, see the " .
"support forums) "; "support forums) ";
$allowed_properties = $config->get('CSS.AllowedProperties'); $allowed_properties = $config->get('CSS.AllowedProperties');
if ($allowed_properties !== null) { if ($allowed_properties !== null) {
foreach ($this->info as $name => $d) { foreach ($this->info as $name => $d) {
if(!isset($allowed_properties[$name])) unset($this->info[$name]); if (!isset($allowed_properties[$name])) {
unset($this->info[$name]);
}
unset($allowed_properties[$name]); unset($allowed_properties[$name]);
} }
// emit errors // emit errors
@ -321,7 +468,6 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
} }
} }
} }
} }
} }

View File

@ -8,39 +8,43 @@ abstract class HTMLPurifier_ChildDef
/** /**
* Type of child definition, usually right-most part of class name lowercase. * Type of child definition, usually right-most part of class name lowercase.
* Used occasionally in terms of context. * Used occasionally in terms of context.
* @type string
*/ */
public $type; public $type;
/** /**
* Bool that indicates whether or not an empty array of children is okay * Indicates whether or not an empty array of children is okay.
* *
* This is necessary for redundant checking when changes affecting * This is necessary for redundant checking when changes affecting
* a child node may cause a parent node to now be disallowed. * a child node may cause a parent node to now be disallowed.
* @type bool
*/ */
public $allow_empty; public $allow_empty;
/** /**
* Lookup array of all elements that this definition could possibly allow * Lookup array of all elements that this definition could possibly allow.
* @type array
*/ */
public $elements = array(); public $elements = array();
/** /**
* Get lookup of tag names that should not close this element automatically. * Get lookup of tag names that should not close this element automatically.
* All other elements will do so. * All other elements will do so.
* @param HTMLPurifier_Config $config HTMLPurifier_Config object
* @return array
*/ */
public function getAllowedElements($config) { public function getAllowedElements($config)
{
return $this->elements; return $this->elements;
} }
/** /**
* Validates nodes according to definition and returns modification. * Validates nodes according to definition and returns modification.
* *
* @param $tokens_of_children Array of HTMLPurifier_Token * @param HTMLPurifier_Token[] $tokens_of_children Array of HTMLPurifier_Token
* @param $config HTMLPurifier_Config object * @param HTMLPurifier_Config $config HTMLPurifier_Config object
* @param $context HTMLPurifier_Context object * @param HTMLPurifier_Context $context HTMLPurifier_Context object
* @return bool true to leave nodes as is * @return bool|array true to leave nodes as is, false to remove parent node, array of replacement child tokens
* @return bool false to remove parent node
* @return array of replacement child tokens
*/ */
abstract public function validateChildren($tokens_of_children, $config, $context); abstract public function validateChildren($tokens_of_children, $config, $context);
} }

View File

@ -14,33 +14,52 @@ class HTMLPurifier_ChildDef_Chameleon extends HTMLPurifier_ChildDef
/** /**
* Instance of the definition object to use when inline. Usually stricter. * Instance of the definition object to use when inline. Usually stricter.
* @type HTMLPurifier_ChildDef_Optional
*/ */
public $inline; public $inline;
/** /**
* Instance of the definition object to use when block. * Instance of the definition object to use when block.
* @type HTMLPurifier_ChildDef_Optional
*/ */
public $block; public $block;
/**
* @type string
*/
public $type = 'chameleon'; public $type = 'chameleon';
/** /**
* @param $inline List of elements to allow when inline. * @param array $inline List of elements to allow when inline.
* @param $block List of elements to allow when block. * @param array $block List of elements to allow when block.
*/ */
public function __construct($inline, $block) { public function __construct($inline, $block)
{
$this->inline = new HTMLPurifier_ChildDef_Optional($inline); $this->inline = new HTMLPurifier_ChildDef_Optional($inline);
$this->block = new HTMLPurifier_ChildDef_Optional($block); $this->block = new HTMLPurifier_ChildDef_Optional($block);
$this->elements = $this->block->elements; $this->elements = $this->block->elements;
} }
public function validateChildren($tokens_of_children, $config, $context) { /**
* @param array $tokens_of_children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool
*/
public function validateChildren($tokens_of_children, $config, $context)
{
if ($context->get('IsInline') === false) { if ($context->get('IsInline') === false) {
return $this->block->validateChildren( return $this->block->validateChildren(
$tokens_of_children, $config, $context); $tokens_of_children,
$config,
$context
);
} else { } else {
return $this->inline->validateChildren( return $this->inline->validateChildren(
$tokens_of_children, $config, $context); $tokens_of_children,
$config,
$context
);
} }
} }
} }

View File

@ -8,28 +8,42 @@
*/ */
class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef
{ {
public $type = 'custom';
public $allow_empty = false;
/** /**
* Allowed child pattern as defined by the DTD * @type string
*/
public $type = 'custom';
/**
* @type bool
*/
public $allow_empty = false;
/**
* Allowed child pattern as defined by the DTD.
* @type string
*/ */
public $dtd_regex; public $dtd_regex;
/** /**
* PCRE regex derived from $dtd_regex * PCRE regex derived from $dtd_regex.
* @private * @type string
*/ */
private $_pcre_regex; private $_pcre_regex;
/** /**
* @param $dtd_regex Allowed child pattern from the DTD * @param $dtd_regex Allowed child pattern from the DTD
*/ */
public function __construct($dtd_regex) { public function __construct($dtd_regex)
{
$this->dtd_regex = $dtd_regex; $this->dtd_regex = $dtd_regex;
$this->_compileRegex(); $this->_compileRegex();
} }
/** /**
* Compiles the PCRE regex from a DTD regex ($dtd_regex to $_pcre_regex) * Compiles the PCRE regex from a DTD regex ($dtd_regex to $_pcre_regex)
*/ */
protected function _compileRegex() { protected function _compileRegex()
{
$raw = str_replace(' ', '', $this->dtd_regex); $raw = str_replace(' ', '', $this->dtd_regex);
if ($raw{0} != '(') { if ($raw{0} != '(') {
$raw = "($raw)"; $raw = "($raw)";
@ -57,11 +71,21 @@ class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef
$this->_pcre_regex = $reg; $this->_pcre_regex = $reg;
} }
public function validateChildren($tokens_of_children, $config, $context) {
/**
* @param array $tokens_of_children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool
*/
public function validateChildren($tokens_of_children, $config, $context)
{
$list_of_children = ''; $list_of_children = '';
$nesting = 0; // depth into the nest $nesting = 0; // depth into the nest
foreach ($tokens_of_children as $token) { foreach ($tokens_of_children as $token) {
if (!empty($token->is_whitespace)) continue; if (!empty($token->is_whitespace)) {
continue;
}
$is_child = ($nesting == 0); // direct $is_child = ($nesting == 0); // direct
@ -82,7 +106,6 @@ class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef
'/^,?' . $this->_pcre_regex . '$/', '/^,?' . $this->_pcre_regex . '$/',
$list_of_children $list_of_children
); );
return (bool)$okay; return (bool)$okay;
} }
} }

View File

@ -9,10 +9,28 @@
*/ */
class HTMLPurifier_ChildDef_Empty extends HTMLPurifier_ChildDef class HTMLPurifier_ChildDef_Empty extends HTMLPurifier_ChildDef
{ {
/**
* @type bool
*/
public $allow_empty = true; public $allow_empty = true;
/**
* @type string
*/
public $type = 'empty'; public $type = 'empty';
public function __construct() {}
public function validateChildren($tokens_of_children, $config, $context) { public function __construct()
{
}
/**
* @param array $tokens_of_children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function validateChildren($tokens_of_children, $config, $context)
{
return array(); return array();
} }
} }

View File

@ -5,16 +5,32 @@
*/ */
class HTMLPurifier_ChildDef_List extends HTMLPurifier_ChildDef class HTMLPurifier_ChildDef_List extends HTMLPurifier_ChildDef
{ {
/**
* @type string
*/
public $type = 'list'; public $type = 'list';
/**
* @type array
*/
// lying a little bit, so that we can handle ul and ol ourselves // lying a little bit, so that we can handle ul and ol ourselves
// XXX: This whole business with 'wrap' is all a bit unsatisfactory // XXX: This whole business with 'wrap' is all a bit unsatisfactory
public $elements = array('li' => true, 'ul' => true, 'ol' => true); public $elements = array('li' => true, 'ul' => true, 'ol' => true);
public function validateChildren($tokens_of_children, $config, $context) {
/**
* @param array $tokens_of_children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function validateChildren($tokens_of_children, $config, $context)
{
// Flag for subclasses // Flag for subclasses
$this->whitespace = false; $this->whitespace = false;
// if there are no tokens, delete parent node // if there are no tokens, delete parent node
if (empty($tokens_of_children)) return false; if (empty($tokens_of_children)) {
return false;
}
// the new set of children // the new set of children
$result = array(); $result = array();
@ -84,7 +100,10 @@ class HTMLPurifier_ChildDef_List extends HTMLPurifier_ChildDef
break; break;
} else { } else {
if (!$t->is_whitespace) { if (!$t->is_whitespace) {
trigger_error("Only whitespace present invariant violated in List ChildDef", E_USER_ERROR); trigger_error(
"Only whitespace present invariant violated in List ChildDef",
E_USER_ERROR
);
return false; return false;
} }
} }
@ -108,11 +127,15 @@ class HTMLPurifier_ChildDef_List extends HTMLPurifier_ChildDef
if ($need_close_li) { if ($need_close_li) {
$result[] = new HTMLPurifier_Token_End('li'); $result[] = new HTMLPurifier_Token_End('li');
} }
if (empty($result)) return false; if (empty($result)) {
return false;
}
if ($all_whitespace) { if ($all_whitespace) {
return false; return false;
} }
if ($tokens_of_children == $result) return true; if ($tokens_of_children == $result) {
return true;
}
return $result; return $result;
} }
} }

View File

@ -9,15 +9,34 @@
*/ */
class HTMLPurifier_ChildDef_Optional extends HTMLPurifier_ChildDef_Required class HTMLPurifier_ChildDef_Optional extends HTMLPurifier_ChildDef_Required
{ {
/**
* @type bool
*/
public $allow_empty = true; public $allow_empty = true;
/**
* @type string
*/
public $type = 'optional'; public $type = 'optional';
public function validateChildren($tokens_of_children, $config, $context) {
/**
* @param array $tokens_of_children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function validateChildren($tokens_of_children, $config, $context)
{
$result = parent::validateChildren($tokens_of_children, $config, $context); $result = parent::validateChildren($tokens_of_children, $config, $context);
// we assume that $tokens_of_children is not modified // we assume that $tokens_of_children is not modified
if ($result === false) { if ($result === false) {
if (empty($tokens_of_children)) return true; if (empty($tokens_of_children)) {
elseif ($this->whitespace) return $tokens_of_children; return true;
else return array(); } elseif ($this->whitespace) {
return $tokens_of_children;
} else {
return array();
}
} }
return $result; return $result;
} }

View File

@ -7,17 +7,21 @@ class HTMLPurifier_ChildDef_Required extends HTMLPurifier_ChildDef
{ {
/** /**
* Lookup table of allowed elements. * Lookup table of allowed elements.
* @public * @type array
*/ */
public $elements = array(); public $elements = array();
/** /**
* Whether or not the last passed node was all whitespace. * Whether or not the last passed node was all whitespace.
* @type bool
*/ */
protected $whitespace = false; protected $whitespace = false;
/** /**
* @param $elements List of allowed element names (lowercase). * @param array|string $elements List of allowed element names (lowercase).
*/ */
public function __construct($elements) { public function __construct($elements)
{
if (is_string($elements)) { if (is_string($elements)) {
$elements = str_replace(' ', '', $elements); $elements = str_replace(' ', '', $elements);
$elements = explode('|', $elements); $elements = explode('|', $elements);
@ -27,19 +31,39 @@ class HTMLPurifier_ChildDef_Required extends HTMLPurifier_ChildDef
$elements = array_flip($elements); $elements = array_flip($elements);
foreach ($elements as $i => $x) { foreach ($elements as $i => $x) {
$elements[$i] = true; $elements[$i] = true;
if (empty($i)) unset($elements[$i]); // remove blank if (empty($i)) {
unset($elements[$i]);
} // remove blank
} }
} }
$this->elements = $elements; $this->elements = $elements;
} }
/**
* @type bool
*/
public $allow_empty = false; public $allow_empty = false;
/**
* @type string
*/
public $type = 'required'; public $type = 'required';
public function validateChildren($tokens_of_children, $config, $context) {
/**
* @param array $tokens_of_children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function validateChildren($tokens_of_children, $config, $context)
{
// Flag for subclasses // Flag for subclasses
$this->whitespace = false; $this->whitespace = false;
// if there are no tokens, delete parent node // if there are no tokens, delete parent node
if (empty($tokens_of_children)) return false; if (empty($tokens_of_children)) {
return false;
}
// the new set of children // the new set of children
$result = array(); $result = array();
@ -104,12 +128,16 @@ class HTMLPurifier_ChildDef_Required extends HTMLPurifier_ChildDef
// drop silently // drop silently
} }
} }
if (empty($result)) return false; if (empty($result)) {
return false;
}
if ($all_whitespace) { if ($all_whitespace) {
$this->whitespace = true; $this->whitespace = true;
return false; return false;
} }
if ($tokens_of_children == $result) return true; if ($tokens_of_children == $result) {
return true;
}
return $result; return $result;
} }
} }

View File

@ -5,23 +5,51 @@
*/ */
class HTMLPurifier_ChildDef_StrictBlockquote extends HTMLPurifier_ChildDef_Required class HTMLPurifier_ChildDef_StrictBlockquote extends HTMLPurifier_ChildDef_Required
{ {
/**
* @type array
*/
protected $real_elements; protected $real_elements;
/**
* @type array
*/
protected $fake_elements; protected $fake_elements;
/**
* @type bool
*/
public $allow_empty = true; public $allow_empty = true;
/**
* @type string
*/
public $type = 'strictblockquote'; public $type = 'strictblockquote';
/**
* @type bool
*/
protected $init = false; protected $init = false;
/** /**
* @param HTMLPurifier_Config $config
* @return array
* @note We don't want MakeWellFormed to auto-close inline elements since * @note We don't want MakeWellFormed to auto-close inline elements since
* they might be allowed. * they might be allowed.
*/ */
public function getAllowedElements($config) { public function getAllowedElements($config)
{
$this->init($config); $this->init($config);
return $this->fake_elements; return $this->fake_elements;
} }
public function validateChildren($tokens_of_children, $config, $context) { /**
* @param array $tokens_of_children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function validateChildren($tokens_of_children, $config, $context)
{
$this->init($config); $this->init($config);
// trick the parent class into thinking it allows more // trick the parent class into thinking it allows more
@ -29,8 +57,12 @@ class HTMLPurifier_ChildDef_StrictBlockquote extends HTMLPurifier_ChildDef_Requi
$result = parent::validateChildren($tokens_of_children, $config, $context); $result = parent::validateChildren($tokens_of_children, $config, $context);
$this->elements = $this->real_elements; $this->elements = $this->real_elements;
if ($result === false) return array(); if ($result === false) {
if ($result === true) $result = $tokens_of_children; return array();
}
if ($result === true) {
$result = $tokens_of_children;
}
$def = $config->getHTMLDefinition(); $def = $config->getHTMLDefinition();
$block_wrap_start = new HTMLPurifier_Token_Start($def->info_block_wrapper); $block_wrap_start = new HTMLPurifier_Token_Start($def->info_block_wrapper);
@ -45,10 +77,8 @@ class HTMLPurifier_ChildDef_StrictBlockquote extends HTMLPurifier_ChildDef_Requi
// ifs are nested for readability // ifs are nested for readability
if (!$is_inline) { if (!$is_inline) {
if (!$depth) { if (!$depth) {
if ( if (($token instanceof HTMLPurifier_Token_Text && !$token->is_whitespace) ||
($token instanceof HTMLPurifier_Token_Text && !$token->is_whitespace) || (!$token instanceof HTMLPurifier_Token_Text && !isset($this->elements[$token->name]))) {
(!$token instanceof HTMLPurifier_Token_Text && !isset($this->elements[$token->name]))
) {
$is_inline = true; $is_inline = true;
$ret[] = $block_wrap_start; $ret[] = $block_wrap_start;
} }
@ -66,14 +96,24 @@ class HTMLPurifier_ChildDef_StrictBlockquote extends HTMLPurifier_ChildDef_Requi
} }
} }
$ret[] = $token; $ret[] = $token;
if ($token instanceof HTMLPurifier_Token_Start) $depth++; if ($token instanceof HTMLPurifier_Token_Start) {
if ($token instanceof HTMLPurifier_Token_End) $depth--; $depth++;
}
if ($token instanceof HTMLPurifier_Token_End) {
$depth--;
}
}
if ($is_inline) {
$ret[] = $block_wrap_end;
} }
if ($is_inline) $ret[] = $block_wrap_end;
return $ret; return $ret;
} }
private function init($config) { /**
* @param HTMLPurifier_Config $config
*/
private function init($config)
{
if (!$this->init) { if (!$this->init) {
$def = $config->getHTMLDefinition(); $def = $config->getHTMLDefinition();
// allow all inline elements // allow all inline elements

View File

@ -31,13 +31,44 @@
*/ */
class HTMLPurifier_ChildDef_Table extends HTMLPurifier_ChildDef class HTMLPurifier_ChildDef_Table extends HTMLPurifier_ChildDef
{ {
/**
* @type bool
*/
public $allow_empty = false; public $allow_empty = false;
/**
* @type string
*/
public $type = 'table'; public $type = 'table';
public $elements = array('tr' => true, 'tbody' => true, 'thead' => true,
'tfoot' => true, 'caption' => true, 'colgroup' => true, 'col' => true); /**
public function __construct() {} * @type array
public function validateChildren($tokens_of_children, $config, $context) { */
if (empty($tokens_of_children)) return false; public $elements = array(
'tr' => true,
'tbody' => true,
'thead' => true,
'tfoot' => true,
'caption' => true,
'colgroup' => true,
'col' => true
);
public function __construct()
{
}
/**
* @param array $tokens_of_children
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return array
*/
public function validateChildren($tokens_of_children, $config, $context)
{
if (empty($tokens_of_children)) {
return false;
}
// this ensures that the loop gets run one last time before closing // this ensures that the loop gets run one last time before closing
// up. It's a little bit of a hack, but it works! Just make sure you // up. It's a little bit of a hack, but it works! Just make sure you
@ -88,7 +119,9 @@ class HTMLPurifier_ChildDef_Table extends HTMLPurifier_ChildDef
$content[] = $collection; $content[] = $collection;
break; break;
case 'caption': case 'caption':
if ($caption !== false) break; if ($caption !== false) {
break;
}
$caption = $collection; $caption = $collection;
break; break;
case 'thead': case 'thead':
@ -134,7 +167,9 @@ class HTMLPurifier_ChildDef_Table extends HTMLPurifier_ChildDef
} }
// terminate // terminate
if ($token === false) break; if ($token === false) {
break;
}
if ($is_child) { if ($is_child) {
// determine what we're dealing with // determine what we're dealing with
@ -172,7 +207,9 @@ class HTMLPurifier_ChildDef_Table extends HTMLPurifier_ChildDef
} }
} }
if (empty($content)) return false; if (empty($content)) {
return false;
}
// INVARIANT: all members of content are non-empty. This can // INVARIANT: all members of content are non-empty. This can
// be shown by observing when things are pushed onto content: // be shown by observing when things are pushed onto content:
// they are only ever pushed when is_collecting is true, and // they are only ever pushed when is_collecting is true, and
@ -180,10 +217,20 @@ class HTMLPurifier_ChildDef_Table extends HTMLPurifier_ChildDef
// that collections are non-empty when is_collecting is true. // that collections are non-empty when is_collecting is true.
$ret = array(); $ret = array();
if ($caption !== false) $ret = array_merge($ret, $caption); if ($caption !== false) {
if ($cols !== false) foreach ($cols as $token_array) $ret = array_merge($ret, $token_array); $ret = array_merge($ret, $caption);
if ($thead !== false) $ret = array_merge($ret, $thead); }
if ($tfoot !== false) $ret = array_merge($ret, $tfoot); if ($cols !== false) {
foreach ($cols as $token_array) {
$ret = array_merge($ret, $token_array);
}
}
if ($thead !== false) {
$ret = array_merge($ret, $thead);
}
if ($tfoot !== false) {
$ret = array_merge($ret, $tfoot);
}
if ($tbody_mode) { if ($tbody_mode) {
// a little tricky, since the start of the collection may be // a little tricky, since the start of the collection may be

View File

@ -19,79 +19,89 @@ class HTMLPurifier_Config
/** /**
* HTML Purifier's version * HTML Purifier's version
* @type string
*/ */
public $version = '4.5.0'; public $version = '4.5.0';
/** /**
* @var bool indicator whether or not to automatically finalize * Whether or not to automatically finalize
* the object if a read operation is done * the object if a read operation is done.
* @type bool
*/ */
public $autoFinalize = true; public $autoFinalize = true;
// protected member variables // protected member variables
/** /**
* Namespace indexed array of serials for specific namespaces (see * Namespace indexed array of serials for specific namespaces.
* getSerial() for more info). * @see getSerial() for more info.
* @type string[]
*/ */
protected $serials = array(); protected $serials = array();
/** /**
* Serial for entire configuration object * Serial for entire configuration object.
* @type string
*/ */
protected $serial; protected $serial;
/** /**
* Parser for variables * Parser for variables.
* @type HTMLPurifier_VarParser_Flexible
*/ */
protected $parser = null; protected $parser = null;
/** /**
* Reference HTMLPurifier_ConfigSchema for value checking * Reference HTMLPurifier_ConfigSchema for value checking.
* @type HTMLPurifier_ConfigSchema
* @note This is public for introspective purposes. Please don't * @note This is public for introspective purposes. Please don't
* abuse! * abuse!
*/ */
public $def; public $def;
/** /**
* @var HTMLPurifier_Definition[] Indexed array of definitions * Indexed array of definitions.
* @type HTMLPurifier_Definition[]
*/ */
protected $definitions; protected $definitions;
/** /**
* Bool indicator whether or not config is finalized * Whether or not config is finalized.
* @type bool
*/ */
protected $finalized = false; protected $finalized = false;
/** /**
* Property list containing configuration directives. * Property list containing configuration directives.
* @type array
*/ */
protected $plist; protected $plist;
/** /**
* Whether or not a set is taking place due to an * Whether or not a set is taking place due to an alias lookup.
* alias lookup. * @type bool
*/ */
private $aliasMode; private $aliasMode;
/** /**
* Set to false if you do not want line and file numbers in errors * Set to false if you do not want line and file numbers in errors.
* (useful when unit testing). This will also compress some errors * (useful when unit testing). This will also compress some errors
* and exceptions. * and exceptions.
* @type bool
*/ */
public $chatty = true; public $chatty = true;
/** /**
* Current lock; only gets to this namespace are allowed. * Current lock; only gets to this namespace are allowed.
* @type string
*/ */
private $lock; private $lock;
/** /**
* Constructor * Constructor
*
* @param HTMLPurifier_ConfigSchema $definition ConfigSchema that defines * @param HTMLPurifier_ConfigSchema $definition ConfigSchema that defines
* what directives are allowed. * what directives are allowed.
* @param mixed $parent * @param HTMLPurifier_PropertyList $parent
*/ */
public function __construct($definition, $parent = null) public function __construct($definition, $parent = null)
{ {
@ -103,13 +113,11 @@ class HTMLPurifier_Config
/** /**
* Convenience constructor that creates a config object based on a mixed var * Convenience constructor that creates a config object based on a mixed var
*
* @param mixed $config Variable that defines the state of the config * @param mixed $config Variable that defines the state of the config
* object. Can be: a HTMLPurifier_Config() object, * object. Can be: a HTMLPurifier_Config() object,
* an array of directives based on loadArray(), * an array of directives based on loadArray(),
* or a string filename of an ini file. * or a string filename of an ini file.
* @param HTMLPurifier_ConfigSchema $schema Schema object * @param HTMLPurifier_ConfigSchema $schema Schema object
*
* @return HTMLPurifier_Config Configured object * @return HTMLPurifier_Config Configured object
*/ */
public static function create($config, $schema = null) public static function create($config, $schema = null)
@ -125,17 +133,13 @@ class HTMLPurifier_Config
} }
if (is_string($config)) { if (is_string($config)) {
$ret->loadIni($config); $ret->loadIni($config);
} } elseif (is_array($config)) $ret->loadArray($config);
elseif (is_array($config)) $ret->loadArray($config);
return $ret; return $ret;
} }
/** /**
* Creates a new config object that inherits from a previous one. * Creates a new config object that inherits from a previous one.
* * @param HTMLPurifier_Config $config Configuration object to inherit from.
* @param HTMLPurifier_Config $config Configuration object to inherit
* from.
*
* @return HTMLPurifier_Config object with $config as its parent. * @return HTMLPurifier_Config object with $config as its parent.
*/ */
public static function inherit(HTMLPurifier_Config $config) public static function inherit(HTMLPurifier_Config $config)
@ -195,7 +199,9 @@ class HTMLPurifier_Config
if ($ns !== $this->lock) { if ($ns !== $this->lock) {
$this->triggerError( $this->triggerError(
'Cannot get value of namespace ' . $ns . ' when lock for ' . 'Cannot get value of namespace ' . $ns . ' when lock for ' .
$this->lock . ' is active, this probably indicates a Definition setup method is accessing directives that are not within its namespace', $this->lock .
' is active, this probably indicates a Definition setup method ' .
'is accessing directives that are not within its namespace',
E_USER_ERROR E_USER_ERROR
); );
return; return;
@ -384,7 +390,9 @@ class HTMLPurifier_Config
private function _listify($lookup) private function _listify($lookup)
{ {
$list = array(); $list = array();
foreach ($lookup as $name => $b) $list[] = $name; foreach ($lookup as $name => $b) {
$list[] = $name;
}
return implode(', ', $list); return implode(', ', $list);
} }
@ -400,7 +408,7 @@ class HTMLPurifier_Config
* maybeGetRawHTMLDefinition, which is more explicitly * maybeGetRawHTMLDefinition, which is more explicitly
* named, instead. * named, instead.
* *
* @return mixed * @return HTMLPurifier_HTMLDefinition
*/ */
public function getHTMLDefinition($raw = false, $optimized = false) public function getHTMLDefinition($raw = false, $optimized = false)
{ {
@ -419,7 +427,7 @@ class HTMLPurifier_Config
* maybeGetRawCSSDefinition, which is more explicitly * maybeGetRawCSSDefinition, which is more explicitly
* named, instead. * named, instead.
* *
* @return mixed * @return HTMLPurifier_CSSDefinition
*/ */
public function getCSSDefinition($raw = false, $optimized = false) public function getCSSDefinition($raw = false, $optimized = false)
{ {
@ -438,7 +446,7 @@ class HTMLPurifier_Config
* maybeGetRawURIDefinition, which is more explicitly * maybeGetRawURIDefinition, which is more explicitly
* named, instead. * named, instead.
* *
* @return mixed * @return HTMLPurifier_URIDefinition
*/ */
public function getURIDefinition($raw = false, $optimized = false) public function getURIDefinition($raw = false, $optimized = false)
{ {
@ -460,7 +468,7 @@ class HTMLPurifier_Config
* maybe semantics is the "right thing to do." * maybe semantics is the "right thing to do."
* *
* @throws HTMLPurifier_Exception * @throws HTMLPurifier_Exception
* @return mixed * @return HTMLPurifier_Definition
*/ */
public function getDefinition($type, $raw = false, $optimized = false) public function getDefinition($type, $raw = false, $optimized = false)
{ {
@ -542,8 +550,12 @@ class HTMLPurifier_Config
} }
if ($def->optimized !== $optimized) { if ($def->optimized !== $optimized) {
$msg = $optimized ? "optimized" : "unoptimized"; $msg = $optimized ? "optimized" : "unoptimized";
$extra = $this->chatty ? " (this backtrace is for the first inconsistent call, which was for a $msg raw definition)" : ""; $extra = $this->chatty ?
throw new HTMLPurifier_Exception("Inconsistent use of optimized and unoptimized raw definition retrievals" . $extra); " (this backtrace is for the first inconsistent call, which was for a $msg raw definition)"
: "";
throw new HTMLPurifier_Exception(
"Inconsistent use of optimized and unoptimized raw definition retrievals" . $extra
);
} }
} }
// check if definition was in memory // check if definition was in memory
@ -576,7 +588,17 @@ class HTMLPurifier_Config
if (!$optimized) { if (!$optimized) {
if (!is_null($this->get($type . '.DefinitionID'))) { if (!is_null($this->get($type . '.DefinitionID'))) {
if ($this->chatty) { if ($this->chatty) {
$this->triggerError("Due to a documentation error in previous version of HTML Purifier, your definitions are not being cached. If this is OK, you can remove the %$type.DefinitionRev and %$type.DefinitionID declaration. Otherwise, modify your code to use maybeGetRawDefinition, and test if the returned value is null before making any edits (if it is null, that means that a cached version is available, and no raw operations are necessary). See <a href='http://htmlpurifier.org/docs/enduser-customize.html#optimized'>Customize</a> for more details", E_USER_WARNING); $this->triggerError(
'Due to a documentation error in previous version of HTML Purifier, your ' .
'definitions are not being cached. If this is OK, you can remove the ' .
'%$type.DefinitionRev and %$type.DefinitionID declaration. Otherwise, ' .
'modify your code to use maybeGetRawDefinition, and test if the returned ' .
'value is null before making any edits (if it is null, that means that a ' .
'cached version is available, and no raw operations are necessary). See ' .
'<a href="http://htmlpurifier.org/docs/enduser-customize.html#optimized">' .
'Customize</a> for more details',
E_USER_WARNING
);
} else { } else {
$this->triggerError( $this->triggerError(
"Useless DefinitionID declaration", "Useless DefinitionID declaration",

View File

@ -3,21 +3,24 @@
/** /**
* Configuration definition, defines directives and their defaults. * Configuration definition, defines directives and their defaults.
*/ */
class HTMLPurifier_ConfigSchema { class HTMLPurifier_ConfigSchema
{
/** /**
* Defaults of the directives and namespaces. * Defaults of the directives and namespaces.
* @type array
* @note This shares the exact same structure as HTMLPurifier_Config::$conf * @note This shares the exact same structure as HTMLPurifier_Config::$conf
*/ */
public $defaults = array(); public $defaults = array();
/** /**
* The default property list. Do not edit this property list. * The default property list. Do not edit this property list.
* @type array
*/ */
public $defaultPlist; public $defaultPlist;
/** /**
* Definition of the directives. The structure of this is: * Definition of the directives.
* The structure of this is:
* *
* array( * array(
* 'Namespace' => array( * 'Namespace' => array(
@ -44,22 +47,27 @@ class HTMLPurifier_ConfigSchema {
* This class is friendly with HTMLPurifier_Config. If you need introspection * This class is friendly with HTMLPurifier_Config. If you need introspection
* about the schema, you're better of using the ConfigSchema_Interchange, * about the schema, you're better of using the ConfigSchema_Interchange,
* which uses more memory but has much richer information. * which uses more memory but has much richer information.
* @type array
*/ */
public $info = array(); public $info = array();
/** /**
* Application-wide singleton * Application-wide singleton
* @type HTMLPurifier_ConfigSchema
*/ */
static protected $singleton; protected static $singleton;
public function __construct() { public function __construct()
{
$this->defaultPlist = new HTMLPurifier_PropertyList(); $this->defaultPlist = new HTMLPurifier_PropertyList();
} }
/** /**
* Unserializes the default ConfigSchema. * Unserializes the default ConfigSchema.
* @return HTMLPurifier_ConfigSchema
*/ */
public static function makeFromSerial() { public static function makeFromSerial()
{
$contents = file_get_contents(HTMLPURIFIER_PREFIX . '/HTMLPurifier/ConfigSchema/schema.ser'); $contents = file_get_contents(HTMLPURIFIER_PREFIX . '/HTMLPurifier/ConfigSchema/schema.ser');
$r = unserialize($contents); $r = unserialize($contents);
if (!$r) { if (!$r) {
@ -71,8 +79,11 @@ class HTMLPurifier_ConfigSchema {
/** /**
* Retrieves an instance of the application-wide configuration definition. * Retrieves an instance of the application-wide configuration definition.
* @param HTMLPurifier_ConfigSchema $prototype
* @return HTMLPurifier_ConfigSchema
*/ */
public static function instance($prototype = null) { public static function instance($prototype = null)
{
if ($prototype !== null) { if ($prototype !== null) {
HTMLPurifier_ConfigSchema::$singleton = $prototype; HTMLPurifier_ConfigSchema::$singleton = $prototype;
} elseif (HTMLPurifier_ConfigSchema::$singleton === null || $prototype === true) { } elseif (HTMLPurifier_ConfigSchema::$singleton === null || $prototype === true) {
@ -86,17 +97,19 @@ class HTMLPurifier_ConfigSchema {
* @warning Will fail of directive's namespace is defined. * @warning Will fail of directive's namespace is defined.
* @warning This method's signature is slightly different from the legacy * @warning This method's signature is slightly different from the legacy
* define() static method! Beware! * define() static method! Beware!
* @param $namespace Namespace the directive is in * @param string $key Name of directive
* @param $name Key of directive * @param mixed $default Default value of directive
* @param $default Default value of directive * @param string $type Allowed type of the directive. See
* @param $type Allowed type of the directive. See
* HTMLPurifier_DirectiveDef::$type for allowed values * HTMLPurifier_DirectiveDef::$type for allowed values
* @param $allow_null Whether or not to allow null values * @param bool $allow_null Whether or not to allow null values
*/ */
public function add($key, $default, $type, $allow_null) { public function add($key, $default, $type, $allow_null)
{
$obj = new stdclass(); $obj = new stdclass();
$obj->type = is_int($type) ? $type : HTMLPurifier_VarParser::$types[$type]; $obj->type = is_int($type) ? $type : HTMLPurifier_VarParser::$types[$type];
if ($allow_null) $obj->allow_null = true; if ($allow_null) {
$obj->allow_null = true;
}
$this->info[$key] = $obj; $this->info[$key] = $obj;
$this->defaults[$key] = $default; $this->defaults[$key] = $default;
$this->defaultPlist->set($key, $default); $this->defaultPlist->set($key, $default);
@ -107,11 +120,11 @@ class HTMLPurifier_ConfigSchema {
* *
* Directive value aliases are convenient for developers because it lets * Directive value aliases are convenient for developers because it lets
* them set a directive to several values and get the same result. * them set a directive to several values and get the same result.
* @param $namespace Directive's namespace * @param string $key Name of Directive
* @param $name Name of Directive * @param array $aliases Hash of aliased values to the real alias
* @param $aliases Hash of aliased values to the real alias
*/ */
public function addValueAliases($key, $aliases) { public function addValueAliases($key, $aliases)
{
if (!isset($this->info[$key]->aliases)) { if (!isset($this->info[$key]->aliases)) {
$this->info[$key]->aliases = array(); $this->info[$key]->aliases = array();
} }
@ -124,22 +137,21 @@ class HTMLPurifier_ConfigSchema {
* Defines a set of allowed values for a directive. * Defines a set of allowed values for a directive.
* @warning This is slightly different from the corresponding static * @warning This is slightly different from the corresponding static
* method definition. * method definition.
* @param $namespace Namespace of directive * @param string $key Name of directive
* @param $name Name of directive * @param array $allowed Lookup array of allowed values
* @param $allowed Lookup array of allowed values
*/ */
public function addAllowedValues($key, $allowed) { public function addAllowedValues($key, $allowed)
{
$this->info[$key]->allowed = $allowed; $this->info[$key]->allowed = $allowed;
} }
/** /**
* Defines a directive alias for backwards compatibility * Defines a directive alias for backwards compatibility
* @param $namespace * @param string $key Directive that will be aliased
* @param $name Directive that will be aliased * @param string $new_key Directive that the alias will be to
* @param $new_namespace
* @param $new_name Directive that the alias will be to
*/ */
public function addAlias($key, $new_key) { public function addAlias($key, $new_key)
{
$obj = new stdclass; $obj = new stdclass;
$obj->key = $new_key; $obj->key = $new_key;
$obj->isAlias = true; $obj->isAlias = true;
@ -149,7 +161,8 @@ class HTMLPurifier_ConfigSchema {
/** /**
* Replaces any stdclass that only has the type property with type integer. * Replaces any stdclass that only has the type property with type integer.
*/ */
public function postProcess() { public function postProcess()
{
foreach ($this->info as $key => $v) { foreach ($this->info as $key => $v) {
if (count((array) $v) == 1) { if (count((array) $v) == 1) {
$this->info[$key] = $v->type; $this->info[$key] = $v->type;
@ -158,7 +171,6 @@ class HTMLPurifier_ConfigSchema {
} }
} }
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -7,7 +7,12 @@
class HTMLPurifier_ConfigSchema_Builder_ConfigSchema class HTMLPurifier_ConfigSchema_Builder_ConfigSchema
{ {
public function build($interchange) { /**
* @param HTMLPurifier_ConfigSchema_Interchange $interchange
* @return HTMLPurifier_ConfigSchema
*/
public function build($interchange)
{
$schema = new HTMLPurifier_ConfigSchema(); $schema = new HTMLPurifier_ConfigSchema();
foreach ($interchange->directives as $d) { foreach ($interchange->directives as $d) {
$schema->add( $schema->add(
@ -38,7 +43,6 @@ class HTMLPurifier_ConfigSchema_Builder_ConfigSchema
$schema->postProcess(); $schema->postProcess();
return $schema; return $schema;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -7,10 +7,21 @@
class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter
{ {
/**
* @type HTMLPurifier_ConfigSchema_Interchange
*/
protected $interchange; protected $interchange;
/**
* @type string
*/
private $namespace; private $namespace;
protected function writeHTMLDiv($html) { /**
* @param string $html
*/
protected function writeHTMLDiv($html)
{
$this->startElement('div'); $this->startElement('div');
$purifier = HTMLPurifier::getInstance(); $purifier = HTMLPurifier::getInstance();
@ -21,12 +32,23 @@ class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter
$this->endElement(); // div $this->endElement(); // div
} }
protected function export($var) { /**
if ($var === array()) return 'array()'; * @param mixed $var
* @return string
*/
protected function export($var)
{
if ($var === array()) {
return 'array()';
}
return var_export($var, true); return var_export($var, true);
} }
public function build($interchange) { /**
* @param HTMLPurifier_ConfigSchema_Interchange $interchange
*/
public function build($interchange)
{
// global access, only use as last resort // global access, only use as last resort
$this->interchange = $interchange; $this->interchange = $interchange;
@ -39,19 +61,26 @@ class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter
$this->buildDirective($directive); $this->buildDirective($directive);
} }
if ($this->namespace) $this->endElement(); // namespace if ($this->namespace) {
$this->endElement();
} // namespace
$this->endElement(); // configdoc $this->endElement(); // configdoc
$this->flush(); $this->flush();
} }
public function buildDirective($directive) { /**
* @param HTMLPurifier_ConfigSchema_Interchange_Directive $directive
*/
public function buildDirective($directive)
{
// Kludge, although I suppose having a notion of a "root namespace" // Kludge, although I suppose having a notion of a "root namespace"
// certainly makes things look nicer when documentation is built. // certainly makes things look nicer when documentation is built.
// Depends on things being sorted. // Depends on things being sorted.
if (!$this->namespace || $this->namespace !== $directive->id->getRootNamespace()) { if (!$this->namespace || $this->namespace !== $directive->id->getRootNamespace()) {
if ($this->namespace) $this->endElement(); // namespace if ($this->namespace) {
$this->endElement();
} // namespace
$this->namespace = $directive->id->getRootNamespace(); $this->namespace = $directive->id->getRootNamespace();
$this->startElement('namespace'); $this->startElement('namespace');
$this->writeAttribute('id', $this->namespace); $this->writeAttribute('id', $this->namespace);
@ -64,25 +93,35 @@ class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter
$this->writeElement('name', $directive->id->getDirective()); $this->writeElement('name', $directive->id->getDirective());
$this->startElement('aliases'); $this->startElement('aliases');
foreach ($directive->aliases as $alias) $this->writeElement('alias', $alias->toString()); foreach ($directive->aliases as $alias) {
$this->writeElement('alias', $alias->toString());
}
$this->endElement(); // aliases $this->endElement(); // aliases
$this->startElement('constraints'); $this->startElement('constraints');
if ($directive->version) $this->writeElement('version', $directive->version); if ($directive->version) {
$this->writeElement('version', $directive->version);
}
$this->startElement('type'); $this->startElement('type');
if ($directive->typeAllowsNull) $this->writeAttribute('allow-null', 'yes'); if ($directive->typeAllowsNull) {
$this->writeAttribute('allow-null', 'yes');
}
$this->text($directive->type); $this->text($directive->type);
$this->endElement(); // type $this->endElement(); // type
if ($directive->allowed) { if ($directive->allowed) {
$this->startElement('allowed'); $this->startElement('allowed');
foreach ($directive->allowed as $value => $x) $this->writeElement('value', $value); foreach ($directive->allowed as $value => $x) {
$this->writeElement('value', $value);
}
$this->endElement(); // allowed $this->endElement(); // allowed
} }
$this->writeElement('default', $this->export($directive->default)); $this->writeElement('default', $this->export($directive->default));
$this->writeAttribute('xml:space', 'preserve'); $this->writeAttribute('xml:space', 'preserve');
if ($directive->external) { if ($directive->external) {
$this->startElement('external'); $this->startElement('external');
foreach ($directive->external as $project) $this->writeElement('project', $project); foreach ($directive->external as $project) {
$this->writeElement('project', $project);
}
$this->endElement(); $this->endElement();
} }
$this->endElement(); // constraints $this->endElement(); // constraints
@ -100,7 +139,6 @@ class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter
$this->endElement(); // directive $this->endElement(); // directive
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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@ -10,18 +10,23 @@ class HTMLPurifier_ConfigSchema_Interchange
/** /**
* Name of the application this schema is describing. * Name of the application this schema is describing.
* @type string
*/ */
public $name; public $name;
/** /**
* Array of Directive ID => array(directive info) * Array of Directive ID => array(directive info)
* @type HTMLPurifier_ConfigSchema_Interchange_Directive[]
*/ */
public $directives = array(); public $directives = array();
/** /**
* Adds a directive array to $directives * Adds a directive array to $directives
* @param HTMLPurifier_ConfigSchema_Interchange_Directive $directive
* @throws HTMLPurifier_ConfigSchema_Exception
*/ */
public function addDirective($directive) { public function addDirective($directive)
{
if (isset($this->directives[$i = $directive->id->toString()])) { if (isset($this->directives[$i = $directive->id->toString()])) {
throw new HTMLPurifier_ConfigSchema_Exception("Cannot redefine directive '$i'"); throw new HTMLPurifier_ConfigSchema_Exception("Cannot redefine directive '$i'");
} }
@ -32,11 +37,11 @@ class HTMLPurifier_ConfigSchema_Interchange
* Convenience function to perform standard validation. Throws exception * Convenience function to perform standard validation. Throws exception
* on failed validation. * on failed validation.
*/ */
public function validate() { public function validate()
{
$validator = new HTMLPurifier_ConfigSchema_Validator(); $validator = new HTMLPurifier_ConfigSchema_Validator();
return $validator->validate($this); return $validator->validate($this);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -7,71 +7,83 @@ class HTMLPurifier_ConfigSchema_Interchange_Directive
{ {
/** /**
* ID of directive, instance of HTMLPurifier_ConfigSchema_Interchange_Id. * ID of directive.
* @type HTMLPurifier_ConfigSchema_Interchange_Id
*/ */
public $id; public $id;
/** /**
* String type, e.g. 'integer' or 'istring'. * Type, e.g. 'integer' or 'istring'.
* @type string
*/ */
public $type; public $type;
/** /**
* Default value, e.g. 3 or 'DefaultVal'. * Default value, e.g. 3 or 'DefaultVal'.
* @type mixed
*/ */
public $default; public $default;
/** /**
* HTML description. * HTML description.
* @type string
*/ */
public $description; public $description;
/** /**
* Boolean whether or not null is allowed as a value. * Whether or not null is allowed as a value.
* @type bool
*/ */
public $typeAllowsNull = false; public $typeAllowsNull = false;
/** /**
* Lookup table of allowed scalar values, e.g. array('allowed' => true). * Lookup table of allowed scalar values.
* e.g. array('allowed' => true).
* Null if all values are allowed. * Null if all values are allowed.
* @type array
*/ */
public $allowed; public $allowed;
/** /**
* List of aliases for the directive, * List of aliases for the directive.
* e.g. array(new HTMLPurifier_ConfigSchema_Interchange_Id('Ns', 'Dir'))). * e.g. array(new HTMLPurifier_ConfigSchema_Interchange_Id('Ns', 'Dir'))).
* @type HTMLPurifier_ConfigSchema_Interchange_Id[]
*/ */
public $aliases = array(); public $aliases = array();
/** /**
* Hash of value aliases, e.g. array('alt' => 'real'). Null if value * Hash of value aliases, e.g. array('alt' => 'real'). Null if value
* aliasing is disabled (necessary for non-scalar types). * aliasing is disabled (necessary for non-scalar types).
* @type array
*/ */
public $valueAliases; public $valueAliases;
/** /**
* Version of HTML Purifier the directive was introduced, e.g. '1.3.1'. * Version of HTML Purifier the directive was introduced, e.g. '1.3.1'.
* Null if the directive has always existed. * Null if the directive has always existed.
* @type string
*/ */
public $version; public $version;
/** /**
* ID of directive that supercedes this old directive, is an instance * ID of directive that supercedes this old directive.
* of HTMLPurifier_ConfigSchema_Interchange_Id. Null if not deprecated. * Null if not deprecated.
* @type HTMLPurifier_ConfigSchema_Interchange_Id
*/ */
public $deprecatedUse; public $deprecatedUse;
/** /**
* Version of HTML Purifier this directive was deprecated. Null if not * Version of HTML Purifier this directive was deprecated. Null if not
* deprecated. * deprecated.
* @type string
*/ */
public $deprecatedVersion; public $deprecatedVersion;
/** /**
* List of external projects this directive depends on, e.g. array('CSSTidy'). * List of external projects this directive depends on, e.g. array('CSSTidy').
* @type array
*/ */
public $external = array(); public $external = array();
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -6,32 +6,53 @@
class HTMLPurifier_ConfigSchema_Interchange_Id class HTMLPurifier_ConfigSchema_Interchange_Id
{ {
/**
* @type string
*/
public $key; public $key;
public function __construct($key) { /**
* @param string $key
*/
public function __construct($key)
{
$this->key = $key; $this->key = $key;
} }
/** /**
* @return string
* @warning This is NOT magic, to ensure that people don't abuse SPL and * @warning This is NOT magic, to ensure that people don't abuse SPL and
* cause problems for PHP 5.0 support. * cause problems for PHP 5.0 support.
*/ */
public function toString() { public function toString()
{
return $this->key; return $this->key;
} }
public function getRootNamespace() { /**
* @return string
*/
public function getRootNamespace()
{
return substr($this->key, 0, strpos($this->key, ".")); return substr($this->key, 0, strpos($this->key, "."));
} }
public function getDirective() { /**
* @return string
*/
public function getDirective()
{
return substr($this->key, strpos($this->key, ".") + 1); return substr($this->key, strpos($this->key, ".") + 1);
} }
public static function make($id) { /**
* @param string $id
* @return HTMLPurifier_ConfigSchema_Interchange_Id
*/
public static function make($id)
{
return new HTMLPurifier_ConfigSchema_Interchange_Id($id); return new HTMLPurifier_ConfigSchema_Interchange_Id($id);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -5,21 +5,39 @@ class HTMLPurifier_ConfigSchema_InterchangeBuilder
/** /**
* Used for processing DEFAULT, nothing else. * Used for processing DEFAULT, nothing else.
* @type HTMLPurifier_VarParser
*/ */
protected $varParser; protected $varParser;
public function __construct($varParser = null) { /**
* @param HTMLPurifier_VarParser $varParser
*/
public function __construct($varParser = null)
{
$this->varParser = $varParser ? $varParser : new HTMLPurifier_VarParser_Native(); $this->varParser = $varParser ? $varParser : new HTMLPurifier_VarParser_Native();
} }
public static function buildFromDirectory($dir = null) { /**
* @param string $dir
* @return HTMLPurifier_ConfigSchema_Interchange
*/
public static function buildFromDirectory($dir = null)
{
$builder = new HTMLPurifier_ConfigSchema_InterchangeBuilder(); $builder = new HTMLPurifier_ConfigSchema_InterchangeBuilder();
$interchange = new HTMLPurifier_ConfigSchema_Interchange(); $interchange = new HTMLPurifier_ConfigSchema_Interchange();
return $builder->buildDir($interchange, $dir); return $builder->buildDir($interchange, $dir);
} }
public function buildDir($interchange, $dir = null) { /**
if (!$dir) $dir = HTMLPURIFIER_PREFIX . '/HTMLPurifier/ConfigSchema/schema'; * @param HTMLPurifier_ConfigSchema_Interchange $interchange
* @param string $dir
* @return HTMLPurifier_ConfigSchema_Interchange
*/
public function buildDir($interchange, $dir = null)
{
if (!$dir) {
$dir = HTMLPURIFIER_PREFIX . '/HTMLPurifier/ConfigSchema/schema';
}
if (file_exists($dir . '/info.ini')) { if (file_exists($dir . '/info.ini')) {
$info = parse_ini_file($dir . '/info.ini'); $info = parse_ini_file($dir . '/info.ini');
$interchange->name = $info['name']; $interchange->name = $info['name'];
@ -39,11 +57,15 @@ class HTMLPurifier_ConfigSchema_InterchangeBuilder
foreach ($files as $file) { foreach ($files as $file) {
$this->buildFile($interchange, $dir . '/' . $file); $this->buildFile($interchange, $dir . '/' . $file);
} }
return $interchange; return $interchange;
} }
public function buildFile($interchange, $file) { /**
* @param HTMLPurifier_ConfigSchema_Interchange $interchange
* @param string $file
*/
public function buildFile($interchange, $file)
{
$parser = new HTMLPurifier_StringHashParser(); $parser = new HTMLPurifier_StringHashParser();
$this->build( $this->build(
$interchange, $interchange,
@ -53,10 +75,12 @@ class HTMLPurifier_ConfigSchema_InterchangeBuilder
/** /**
* Builds an interchange object based on a hash. * Builds an interchange object based on a hash.
* @param $interchange HTMLPurifier_ConfigSchema_Interchange object to build * @param HTMLPurifier_ConfigSchema_Interchange $interchange HTMLPurifier_ConfigSchema_Interchange object to build
* @param $hash HTMLPurifier_ConfigSchema_StringHash source data * @param HTMLPurifier_StringHash $hash source data
* @throws HTMLPurifier_ConfigSchema_Exception
*/ */
public function build($interchange, $hash) { public function build($interchange, $hash)
{
if (!$hash instanceof HTMLPurifier_StringHash) { if (!$hash instanceof HTMLPurifier_StringHash) {
$hash = new HTMLPurifier_StringHash($hash); $hash = new HTMLPurifier_StringHash($hash);
} }
@ -75,7 +99,13 @@ class HTMLPurifier_ConfigSchema_InterchangeBuilder
$this->_findUnused($hash); $this->_findUnused($hash);
} }
public function buildDirective($interchange, $hash) { /**
* @param HTMLPurifier_ConfigSchema_Interchange $interchange
* @param HTMLPurifier_StringHash $hash
* @throws HTMLPurifier_ConfigSchema_Exception
*/
public function buildDirective($interchange, $hash)
{
$directive = new HTMLPurifier_ConfigSchema_Interchange_Directive(); $directive = new HTMLPurifier_ConfigSchema_Interchange_Directive();
// These are required elements: // These are required elements:
@ -84,7 +114,9 @@ class HTMLPurifier_ConfigSchema_InterchangeBuilder
if (isset($hash['TYPE'])) { if (isset($hash['TYPE'])) {
$type = explode('/', $hash->offsetGet('TYPE')); $type = explode('/', $hash->offsetGet('TYPE'));
if (isset($type[1])) $directive->typeAllowsNull = true; if (isset($type[1])) {
$directive->typeAllowsNull = true;
}
$directive->type = $type[0]; $directive->type = $type[0];
} else { } else {
throw new HTMLPurifier_ConfigSchema_Exception("TYPE in directive hash '$id' not defined"); throw new HTMLPurifier_ConfigSchema_Exception("TYPE in directive hash '$id' not defined");
@ -92,7 +124,11 @@ class HTMLPurifier_ConfigSchema_InterchangeBuilder
if (isset($hash['DEFAULT'])) { if (isset($hash['DEFAULT'])) {
try { try {
$directive->default = $this->varParser->parse($hash->offsetGet('DEFAULT'), $directive->type, $directive->typeAllowsNull); $directive->default = $this->varParser->parse(
$hash->offsetGet('DEFAULT'),
$directive->type,
$directive->typeAllowsNull
);
} catch (HTMLPurifier_VarParserException $e) { } catch (HTMLPurifier_VarParserException $e) {
throw new HTMLPurifier_ConfigSchema_Exception($e->getMessage() . " in DEFAULT in directive hash '$id'"); throw new HTMLPurifier_ConfigSchema_Exception($e->getMessage() . " in DEFAULT in directive hash '$id'");
} }
@ -139,34 +175,45 @@ class HTMLPurifier_ConfigSchema_InterchangeBuilder
/** /**
* Evaluates an array PHP code string without array() wrapper * Evaluates an array PHP code string without array() wrapper
* @param string $contents
*/ */
protected function evalArray($contents) { protected function evalArray($contents)
{
return eval('return array(' . $contents . ');'); return eval('return array(' . $contents . ');');
} }
/** /**
* Converts an array list into a lookup array. * Converts an array list into a lookup array.
* @param array $array
* @return array
*/ */
protected function lookup($array) { protected function lookup($array)
{
$ret = array(); $ret = array();
foreach ($array as $val) $ret[$val] = true; foreach ($array as $val) {
$ret[$val] = true;
}
return $ret; return $ret;
} }
/** /**
* Convenience function that creates an HTMLPurifier_ConfigSchema_Interchange_Id * Convenience function that creates an HTMLPurifier_ConfigSchema_Interchange_Id
* object based on a string Id. * object based on a string Id.
* @param string $id
* @return HTMLPurifier_ConfigSchema_Interchange_Id
*/ */
protected function id($id) { protected function id($id)
{
return HTMLPurifier_ConfigSchema_Interchange_Id::make($id); return HTMLPurifier_ConfigSchema_Interchange_Id::make($id);
} }
/** /**
* Triggers errors for any unused keys passed in the hash; such keys * Triggers errors for any unused keys passed in the hash; such keys
* may indicate typos, missing values, etc. * may indicate typos, missing values, etc.
* @param $hash Instance of ConfigSchema_StringHash to check. * @param HTMLPurifier_StringHash $hash Hash to check.
*/ */
protected function _findUnused($hash) { protected function _findUnused($hash)
{
$accessed = $hash->getAccessed(); $accessed = $hash->getAccessed();
foreach ($hash as $k => $v) { foreach ($hash as $k => $v) {
if (!isset($accessed[$k])) { if (!isset($accessed[$k])) {
@ -174,7 +221,6 @@ class HTMLPurifier_ConfigSchema_InterchangeBuilder
} }
} }
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -12,36 +12,48 @@ class HTMLPurifier_ConfigSchema_Validator
{ {
/** /**
* Easy to access global objects. * @type HTMLPurifier_ConfigSchema_Interchange
*/ */
protected $interchange, $aliases; protected $interchange;
/**
* @type array
*/
protected $aliases;
/** /**
* Context-stack to provide easy to read error messages. * Context-stack to provide easy to read error messages.
* @type array
*/ */
protected $context = array(); protected $context = array();
/** /**
* HTMLPurifier_VarParser to test default's type. * to test default's type.
* @type HTMLPurifier_VarParser
*/ */
protected $parser; protected $parser;
public function __construct() { public function __construct()
{
$this->parser = new HTMLPurifier_VarParser(); $this->parser = new HTMLPurifier_VarParser();
} }
/** /**
* Validates a fully-formed interchange object. Throws an * Validates a fully-formed interchange object.
* HTMLPurifier_ConfigSchema_Exception if there's a problem. * @param HTMLPurifier_ConfigSchema_Interchange $interchange
* @return bool
*/ */
public function validate($interchange) { public function validate($interchange)
{
$this->interchange = $interchange; $this->interchange = $interchange;
$this->aliases = array(); $this->aliases = array();
// PHP is a bit lax with integer <=> string conversions in // PHP is a bit lax with integer <=> string conversions in
// arrays, so we don't use the identical !== comparison // arrays, so we don't use the identical !== comparison
foreach ($interchange->directives as $i => $directive) { foreach ($interchange->directives as $i => $directive) {
$id = $directive->id->toString(); $id = $directive->id->toString();
if ($i != $id) $this->error(false, "Integrity violation: key '$i' does not match internal id '$id'"); if ($i != $id) {
$this->error(false, "Integrity violation: key '$i' does not match internal id '$id'");
}
$this->validateDirective($directive); $this->validateDirective($directive);
} }
return true; return true;
@ -49,8 +61,10 @@ class HTMLPurifier_ConfigSchema_Validator
/** /**
* Validates a HTMLPurifier_ConfigSchema_Interchange_Id object. * Validates a HTMLPurifier_ConfigSchema_Interchange_Id object.
* @param HTMLPurifier_ConfigSchema_Interchange_Id $id
*/ */
public function validateId($id) { public function validateId($id)
{
$id_string = $id->toString(); $id_string = $id->toString();
$this->context[] = "id '$id_string'"; $this->context[] = "id '$id_string'";
if (!$id instanceof HTMLPurifier_ConfigSchema_Interchange_Id) { if (!$id instanceof HTMLPurifier_ConfigSchema_Interchange_Id) {
@ -67,8 +81,10 @@ class HTMLPurifier_ConfigSchema_Validator
/** /**
* Validates a HTMLPurifier_ConfigSchema_Interchange_Directive object. * Validates a HTMLPurifier_ConfigSchema_Interchange_Directive object.
* @param HTMLPurifier_ConfigSchema_Interchange_Directive $d
*/ */
public function validateDirective($d) { public function validateDirective($d)
{
$id = $d->id->toString(); $id = $d->id->toString();
$this->context[] = "directive '$id'"; $this->context[] = "directive '$id'";
$this->validateId($d->id); $this->validateId($d->id);
@ -108,9 +124,13 @@ class HTMLPurifier_ConfigSchema_Validator
/** /**
* Extra validation if $allowed member variable of * Extra validation if $allowed member variable of
* HTMLPurifier_ConfigSchema_Interchange_Directive is defined. * HTMLPurifier_ConfigSchema_Interchange_Directive is defined.
* @param HTMLPurifier_ConfigSchema_Interchange_Directive $d
*/ */
public function validateDirectiveAllowed($d) { public function validateDirectiveAllowed($d)
if (is_null($d->allowed)) return; {
if (is_null($d->allowed)) {
return;
}
$this->with($d, 'allowed') $this->with($d, 'allowed')
->assertNotEmpty() ->assertNotEmpty()
->assertIsLookup(); // handled by InterchangeBuilder ->assertIsLookup(); // handled by InterchangeBuilder
@ -119,7 +139,9 @@ class HTMLPurifier_ConfigSchema_Validator
} }
$this->context[] = 'allowed'; $this->context[] = 'allowed';
foreach ($d->allowed as $val => $x) { foreach ($d->allowed as $val => $x) {
if (!is_string($val)) $this->error("value $val", 'must be a string'); if (!is_string($val)) {
$this->error("value $val", 'must be a string');
}
} }
array_pop($this->context); array_pop($this->context);
} }
@ -127,15 +149,23 @@ class HTMLPurifier_ConfigSchema_Validator
/** /**
* Extra validation if $valueAliases member variable of * Extra validation if $valueAliases member variable of
* HTMLPurifier_ConfigSchema_Interchange_Directive is defined. * HTMLPurifier_ConfigSchema_Interchange_Directive is defined.
* @param HTMLPurifier_ConfigSchema_Interchange_Directive $d
*/ */
public function validateDirectiveValueAliases($d) { public function validateDirectiveValueAliases($d)
if (is_null($d->valueAliases)) return; {
if (is_null($d->valueAliases)) {
return;
}
$this->with($d, 'valueAliases') $this->with($d, 'valueAliases')
->assertIsArray(); // handled by InterchangeBuilder ->assertIsArray(); // handled by InterchangeBuilder
$this->context[] = 'valueAliases'; $this->context[] = 'valueAliases';
foreach ($d->valueAliases as $alias => $real) { foreach ($d->valueAliases as $alias => $real) {
if (!is_string($alias)) $this->error("alias $alias", 'must be a string'); if (!is_string($alias)) {
if (!is_string($real)) $this->error("alias target $real from alias '$alias'", 'must be a string'); $this->error("alias $alias", 'must be a string');
}
if (!is_string($real)) {
$this->error("alias target $real from alias '$alias'", 'must be a string');
}
if ($alias === $real) { if ($alias === $real) {
$this->error("alias '$alias'", "must not be an alias to itself"); $this->error("alias '$alias'", "must not be an alias to itself");
} }
@ -155,8 +185,10 @@ class HTMLPurifier_ConfigSchema_Validator
/** /**
* Extra validation if $aliases member variable of * Extra validation if $aliases member variable of
* HTMLPurifier_ConfigSchema_Interchange_Directive is defined. * HTMLPurifier_ConfigSchema_Interchange_Directive is defined.
* @param HTMLPurifier_ConfigSchema_Interchange_Directive $d
*/ */
public function validateDirectiveAliases($d) { public function validateDirectiveAliases($d)
{
$this->with($d, 'aliases') $this->with($d, 'aliases')
->assertIsArray(); // handled by InterchangeBuilder ->assertIsArray(); // handled by InterchangeBuilder
$this->context[] = 'aliases'; $this->context[] = 'aliases';
@ -180,27 +212,37 @@ class HTMLPurifier_ConfigSchema_Validator
/** /**
* Convenience function for generating HTMLPurifier_ConfigSchema_ValidatorAtom * Convenience function for generating HTMLPurifier_ConfigSchema_ValidatorAtom
* for validating simple member variables of objects. * for validating simple member variables of objects.
* @param $obj
* @param $member
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/ */
protected function with($obj, $member) { protected function with($obj, $member)
{
return new HTMLPurifier_ConfigSchema_ValidatorAtom($this->getFormattedContext(), $obj, $member); return new HTMLPurifier_ConfigSchema_ValidatorAtom($this->getFormattedContext(), $obj, $member);
} }
/** /**
* Emits an error, providing helpful context. * Emits an error, providing helpful context.
* @throws HTMLPurifier_ConfigSchema_Exception
*/ */
protected function error($target, $msg) { protected function error($target, $msg)
if ($target !== false) $prefix = ucfirst($target) . ' in ' . $this->getFormattedContext(); {
else $prefix = ucfirst($this->getFormattedContext()); if ($target !== false) {
$prefix = ucfirst($target) . ' in ' . $this->getFormattedContext();
} else {
$prefix = ucfirst($this->getFormattedContext());
}
throw new HTMLPurifier_ConfigSchema_Exception(trim($prefix . ' ' . $msg)); throw new HTMLPurifier_ConfigSchema_Exception(trim($prefix . ' ' . $msg));
} }
/** /**
* Returns a formatted context string. * Returns a formatted context string.
* @return string
*/ */
protected function getFormattedContext() { protected function getFormattedContext()
{
return implode(' in ', array_reverse($this->context)); return implode(' in ', array_reverse($this->context));
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -8,59 +8,123 @@
*/ */
class HTMLPurifier_ConfigSchema_ValidatorAtom class HTMLPurifier_ConfigSchema_ValidatorAtom
{ {
/**
* @type string
*/
protected $context;
protected $context, $obj, $member, $contents; /**
* @type object
*/
protected $obj;
public function __construct($context, $obj, $member) { /**
* @type string
*/
protected $member;
/**
* @type mixed
*/
protected $contents;
public function __construct($context, $obj, $member)
{
$this->context = $context; $this->context = $context;
$this->obj = $obj; $this->obj = $obj;
$this->member = $member; $this->member = $member;
$this->contents =& $obj->$member; $this->contents =& $obj->$member;
} }
public function assertIsString() { /**
if (!is_string($this->contents)) $this->error('must be a string'); * @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertIsString()
{
if (!is_string($this->contents)) {
$this->error('must be a string');
}
return $this; return $this;
} }
public function assertIsBool() { /**
if (!is_bool($this->contents)) $this->error('must be a boolean'); * @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertIsBool()
{
if (!is_bool($this->contents)) {
$this->error('must be a boolean');
}
return $this; return $this;
} }
public function assertIsArray() { /**
if (!is_array($this->contents)) $this->error('must be an array'); * @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertIsArray()
{
if (!is_array($this->contents)) {
$this->error('must be an array');
}
return $this; return $this;
} }
public function assertNotNull() { /**
if ($this->contents === null) $this->error('must not be null'); * @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertNotNull()
{
if ($this->contents === null) {
$this->error('must not be null');
}
return $this; return $this;
} }
public function assertAlnum() { /**
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertAlnum()
{
$this->assertIsString(); $this->assertIsString();
if (!ctype_alnum($this->contents)) $this->error('must be alphanumeric'); if (!ctype_alnum($this->contents)) {
$this->error('must be alphanumeric');
}
return $this; return $this;
} }
public function assertNotEmpty() { /**
if (empty($this->contents)) $this->error('must not be empty'); * @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertNotEmpty()
{
if (empty($this->contents)) {
$this->error('must not be empty');
}
return $this; return $this;
} }
public function assertIsLookup() { /**
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertIsLookup()
{
$this->assertIsArray(); $this->assertIsArray();
foreach ($this->contents as $v) { foreach ($this->contents as $v) {
if ($v !== true) $this->error('must be a lookup array'); if ($v !== true) {
$this->error('must be a lookup array');
}
} }
return $this; return $this;
} }
protected function error($msg) { /**
* @param string $msg
* @throws HTMLPurifier_ConfigSchema_Exception
*/
protected function error($msg)
{
throw new HTMLPurifier_ConfigSchema_Exception(ucfirst($this->member) . ' in ' . $this->context . ' ' . $msg); throw new HTMLPurifier_ConfigSchema_Exception(ucfirst($this->member) . ' in ' . $this->context . ' ' . $msg);
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -7,35 +7,42 @@ class HTMLPurifier_ContentSets
{ {
/** /**
* List of content set strings (pipe seperators) indexed by name. * List of content set strings (pipe separators) indexed by name.
* @type array
*/ */
public $info = array(); public $info = array();
/** /**
* List of content set lookups (element => true) indexed by name. * List of content set lookups (element => true) indexed by name.
* @type array
* @note This is in HTMLPurifier_HTMLDefinition->info_content_sets * @note This is in HTMLPurifier_HTMLDefinition->info_content_sets
*/ */
public $lookup = array(); public $lookup = array();
/** /**
* Synchronized list of defined content sets (keys of info) * Synchronized list of defined content sets (keys of info).
* @type array
*/ */
protected $keys = array(); protected $keys = array();
/** /**
* Synchronized list of defined content values (values of info) * Synchronized list of defined content values (values of info).
* @type array
*/ */
protected $values = array(); protected $values = array();
/** /**
* Merges in module's content sets, expands identifiers in the content * Merges in module's content sets, expands identifiers in the content
* sets and populates the keys, values and lookup member variables. * sets and populates the keys, values and lookup member variables.
* @param $modules List of HTMLPurifier_HTMLModule * @param HTMLPurifier_HTMLModule[] $modules List of HTMLPurifier_HTMLModule
*/ */
public function __construct($modules) { public function __construct($modules)
if (!is_array($modules)) $modules = array($modules); {
if (!is_array($modules)) {
$modules = array($modules);
}
// populate content_sets based on module hints // populate content_sets based on module hints
// sorry, no way of overloading // sorry, no way of overloading
foreach ($modules as $module_i => $module) { foreach ($modules as $module) {
foreach ($module->content_sets as $key => $value) { foreach ($module->content_sets as $key => $value) {
$temp = $this->convertToLookup($value); $temp = $this->convertToLookup($value);
if (isset($this->lookup[$key])) { if (isset($this->lookup[$key])) {
@ -70,11 +77,14 @@ class HTMLPurifier_ContentSets
/** /**
* Accepts a definition; generates and assigns a ChildDef for it * Accepts a definition; generates and assigns a ChildDef for it
* @param $def HTMLPurifier_ElementDef reference * @param HTMLPurifier_ElementDef $def HTMLPurifier_ElementDef reference
* @param $module Module that defined the ElementDef * @param HTMLPurifier_HTMLModule $module Module that defined the ElementDef
*/ */
public function generateChildDef(&$def, $module) { public function generateChildDef(&$def, $module)
if (!empty($def->child)) return; // already done! {
if (!empty($def->child)) { // already done!
return;
}
$content_model = $def->content_model; $content_model = $def->content_model;
if (is_string($content_model)) { if (is_string($content_model)) {
// Assume that $this->keys is alphanumeric // Assume that $this->keys is alphanumeric
@ -89,7 +99,8 @@ class HTMLPurifier_ContentSets
$def->child = $this->getChildDef($def, $module); $def->child = $this->getChildDef($def, $module);
} }
public function generateChildDefCallback($matches) { public function generateChildDefCallback($matches)
{
return $this->info[$matches[0]]; return $this->info[$matches[0]];
} }
@ -98,10 +109,12 @@ class HTMLPurifier_ContentSets
* member variables in HTMLPurifier_ElementDef * member variables in HTMLPurifier_ElementDef
* @note This will also defer to modules for custom HTMLPurifier_ChildDef * @note This will also defer to modules for custom HTMLPurifier_ChildDef
* subclasses that need content set expansion * subclasses that need content set expansion
* @param $def HTMLPurifier_ElementDef to have ChildDef extracted * @param HTMLPurifier_ElementDef $def HTMLPurifier_ElementDef to have ChildDef extracted
* @param HTMLPurifier_HTMLModule $module Module that defined the ElementDef
* @return HTMLPurifier_ChildDef corresponding to ElementDef * @return HTMLPurifier_ChildDef corresponding to ElementDef
*/ */
public function getChildDef($def, $module) { public function getChildDef($def, $module)
{
$value = $def->content_model; $value = $def->content_model;
if (is_object($value)) { if (is_object($value)) {
trigger_error( trigger_error(
@ -126,7 +139,9 @@ class HTMLPurifier_ContentSets
if ($module->defines_child_def) { // save a func call if ($module->defines_child_def) { // save a func call
$return = $module->getChildDef($def); $return = $module->getChildDef($def);
} }
if ($return !== false) return $return; if ($return !== false) {
return $return;
}
// error-out // error-out
trigger_error( trigger_error(
'Could not determine which ChildDef class to instantiate', 'Could not determine which ChildDef class to instantiate',
@ -138,18 +153,18 @@ class HTMLPurifier_ContentSets
/** /**
* Converts a string list of elements separated by pipes into * Converts a string list of elements separated by pipes into
* a lookup array. * a lookup array.
* @param $string List of elements * @param string $string List of elements
* @return Lookup array of elements * @return array Lookup array of elements
*/ */
protected function convertToLookup($string) { protected function convertToLookup($string)
{
$array = explode('|', str_replace(' ', '', $string)); $array = explode('|', str_replace(' ', '', $string));
$ret = array(); $ret = array();
foreach ($array as $i => $k) { foreach ($array as $k) {
$ret[$k] = true; $ret[$k] = true;
} }
return $ret; return $ret;
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

View File

@ -12,18 +12,22 @@ class HTMLPurifier_Context
/** /**
* Private array that stores the references. * Private array that stores the references.
* @type array
*/ */
private $_storage = array(); private $_storage = array();
/** /**
* Registers a variable into the context. * Registers a variable into the context.
* @param $name String name * @param string $name String name
* @param $ref Reference to variable to be registered * @param mixed $ref Reference to variable to be registered
*/ */
public function register($name, &$ref) { public function register($name, &$ref)
{
if (isset($this->_storage[$name])) { if (isset($this->_storage[$name])) {
trigger_error("Name $name produces collision, cannot re-register", trigger_error(
E_USER_ERROR); "Name $name produces collision, cannot re-register",
E_USER_ERROR
);
return; return;
} }
$this->_storage[$name] =& $ref; $this->_storage[$name] =& $ref;
@ -31,14 +35,18 @@ class HTMLPurifier_Context
/** /**
* Retrieves a variable reference from the context. * Retrieves a variable reference from the context.
* @param $name String name * @param string $name String name
* @param $ignore_error Boolean whether or not to ignore error * @param bool $ignore_error Boolean whether or not to ignore error
* @return mixed
*/ */
public function &get($name, $ignore_error = false) { public function &get($name, $ignore_error = false)
{
if (!isset($this->_storage[$name])) { if (!isset($this->_storage[$name])) {
if (!$ignore_error) { if (!$ignore_error) {
trigger_error("Attempted to retrieve non-existent variable $name", trigger_error(
E_USER_ERROR); "Attempted to retrieve non-existent variable $name",
E_USER_ERROR
);
} }
$var = null; // so we can return by reference $var = null; // so we can return by reference
return $var; return $var;
@ -47,13 +55,16 @@ class HTMLPurifier_Context
} }
/** /**
* Destorys a variable in the context. * Destroys a variable in the context.
* @param $name String name * @param string $name String name
*/ */
public function destroy($name) { public function destroy($name)
{
if (!isset($this->_storage[$name])) { if (!isset($this->_storage[$name])) {
trigger_error("Attempted to destroy non-existent variable $name", trigger_error(
E_USER_ERROR); "Attempted to destroy non-existent variable $name",
E_USER_ERROR
);
return; return;
} }
unset($this->_storage[$name]); unset($this->_storage[$name]);
@ -61,22 +72,24 @@ class HTMLPurifier_Context
/** /**
* Checks whether or not the variable exists. * Checks whether or not the variable exists.
* @param $name String name * @param string $name String name
* @return bool
*/ */
public function exists($name) { public function exists($name)
{
return isset($this->_storage[$name]); return isset($this->_storage[$name]);
} }
/** /**
* Loads a series of variables from an associative array * Loads a series of variables from an associative array
* @param $context_array Assoc array of variables to load * @param array $context_array Assoc array of variables to load
*/ */
public function loadArray($context_array) { public function loadArray($context_array)
{
foreach ($context_array as $key => $discard) { foreach ($context_array as $key => $discard) {
$this->register($key, $context_array[$key]); $this->register($key, $context_array[$key]);
} }
} }
} }
// vim: et sw=4 sts=4 // vim: et sw=4 sts=4

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