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[1.6.0] Add error messages for when user attempts to "allow" elements or attributes HTML Purifier does not support.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@927 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2007-03-31 03:41:22 +00:00
parent b15e8c344e
commit e08b5aaa70
3 changed files with 35 additions and 6 deletions
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2
NEWS
View File

@ -21,6 +21,8 @@ NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
and %Attr.AllowedRev to activate
- You can define ID blacklists using regular expressions via
%Attr.IDBlacklistRegexp
- Error messages are emitted when you attempt to "allow" elements or
attributes that HTML Purifier does not support
1.5.1, unknown release date
- Fix segfault in unit test. The problem is not very reproduceable and

8
TODO
View File

@ -7,16 +7,12 @@ TODO List
? Maybe I'll Do It
==========================
1.6 release [Long Overdue]
- More user-friendly warnings when %HTML.Allow* attempts to specify a
tag or attribute that is not supported
1.7 release [Advanced API]
# Complete advanced API, and fully document it
# Add pre-packaged "levels" of cleaning
# Implement all edge-case attribute transforms
# Implement all deprecated tags and attributes
- Parse TinyMCE-style whitelist into our %HTML.Allow* whitelists
- Parse TinyMCE-style whitelist into our %HTML.Allow* whitelists (possibly
do this earlier)
1.8 release [Refactor, refactor!]
# URI validation routines tighter (see docs/dev-code-quality.html) (COMPLEX)

31
library/HTMLPurifier/HTMLDefinition.php
View File

@ -218,18 +218,31 @@ class HTMLPurifier_HTMLDefinition
$this->info_parent, $this->config);
}
// support template text
$support = "(for information on implementing this, see the ".
"support forums) ";
// setup allowed elements, SubtractiveWhitelist module
$allowed_elements = $this->config->get('HTML', 'AllowedElements');
if (is_array($allowed_elements)) {
foreach ($this->info as $name => $d) {
if(!isset($allowed_elements[$name])) unset($this->info[$name]);
unset($allowed_elements[$name]);
}
// emit errors
foreach ($allowed_elements as $element => $d) {
trigger_error("Element '$element' is not supported $support", E_USER_WARNING);
}
}
$allowed_attributes = $this->config->get('HTML', 'AllowedAttributes');
$allowed_attributes_mutable = $allowed_attributes; // by copy!
if (is_array($allowed_attributes)) {
foreach ($this->info_global_attr as $attr_key => $info) {
if (!isset($allowed_attributes["*.$attr_key"])) {
unset($this->info_global_attr[$attr_key]);
} elseif (isset($allowed_attributes_mutable["*.$attr_key"])) {
unset($allowed_attributes_mutable["*.$attr_key"]);
}
}
foreach ($this->info as $tag => $info) {
@ -237,9 +250,27 @@ class HTMLPurifier_HTMLDefinition
if (!isset($allowed_attributes["$tag.$attr"]) &&
!isset($allowed_attributes["*.$attr"])) {
unset($this->info[$tag]->attr[$attr]);
} else {
if (isset($allowed_attributes_mutable["$tag.$attr"])) {
unset($allowed_attributes_mutable["$tag.$attr"]);
} elseif (isset($allowed_attributes_mutable["*.$attr"])) {
unset($allowed_attributes_mutable["*.$attr"]);
}
}
}
}
// emit errors
foreach ($allowed_attributes_mutable as $elattr => $d) {
list($element, $attribute) = explode('.', $elattr);
if ($element == '*') {
trigger_error("Global attribute '$attribute' is not ".
"supported in any elements $support",
E_USER_WARNING);
} else {
trigger_error("Attribute '$attribute' in element '$element' not supported $support",
E_USER_WARNING);
}
}
}
}