mirror of
https://github.com/ezyang/htmlpurifier.git
synced 2024-12-31 12:01:51 +00:00
735 lines
25 KiB
PHP
735 lines
25 KiB
PHP
<?php
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class HTMLPurifier_LexerTest extends HTMLPurifier_Harness
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{
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protected $_has_pear = false;
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public function __construct() {
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parent::__construct();
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if ($GLOBALS['HTMLPurifierTest']['PEAR'] &&
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// PEARSax3 is not maintained and throws loads of DEPRECATED
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// errors in PHP 5.3
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version_compare(PHP_VERSION, '5.3', '<')) {
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require_once 'HTMLPurifier/Lexer/PEARSax3.php';
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$this->_has_pear = true;
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}
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if ($GLOBALS['HTMLPurifierTest']['PH5P']) {
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require_once 'HTMLPurifier/Lexer/PH5P.php';
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}
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}
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// HTMLPurifier_Lexer::create() --------------------------------------------
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function test_create() {
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$this->config->set('Core.MaintainLineNumbers', true);
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$lexer = HTMLPurifier_Lexer::create($this->config);
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$this->assertIsA($lexer, 'HTMLPurifier_Lexer_DirectLex');
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}
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function test_create_objectLexerImpl() {
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$this->config->set('Core.LexerImpl', new HTMLPurifier_Lexer_DirectLex());
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$lexer = HTMLPurifier_Lexer::create($this->config);
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$this->assertIsA($lexer, 'HTMLPurifier_Lexer_DirectLex');
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}
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function test_create_unknownLexer() {
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$this->config->set('Core.LexerImpl', 'AsdfAsdf');
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$this->expectException(new HTMLPurifier_Exception('Cannot instantiate unrecognized Lexer type AsdfAsdf'));
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HTMLPurifier_Lexer::create($this->config);
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}
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function test_create_incompatibleLexer() {
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$this->config->set('Core.LexerImpl', 'DOMLex');
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$this->config->set('Core.MaintainLineNumbers', true);
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$this->expectException(new HTMLPurifier_Exception('Cannot use lexer that does not support line numbers with Core.MaintainLineNumbers or Core.CollectErrors (use DirectLex instead)'));
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HTMLPurifier_Lexer::create($this->config);
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}
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// HTMLPurifier_Lexer->parseData() -----------------------------------------
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function assertParseData($input, $expect = true) {
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if ($expect === true) $expect = $input;
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$lexer = new HTMLPurifier_Lexer();
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$this->assertIdentical($expect, $lexer->parseData($input));
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}
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function test_parseData_plainText() {
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$this->assertParseData('asdf');
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}
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function test_parseData_ampersandEntity() {
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$this->assertParseData('&', '&');
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}
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function test_parseData_quotEntity() {
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$this->assertParseData('"', '"');
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}
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function test_parseData_aposNumericEntity() {
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$this->assertParseData(''', "'");
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}
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function test_parseData_aposCompactNumericEntity() {
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$this->assertParseData(''', "'");
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}
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function test_parseData_adjacentAmpersandEntities() {
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$this->assertParseData('&&&', '&&&');
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}
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function test_parseData_trailingUnescapedAmpersand() {
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$this->assertParseData('&&', '&&');
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}
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function test_parseData_internalUnescapedAmpersand() {
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$this->assertParseData('Procter & Gamble');
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}
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function test_parseData_improperEntityFaultToleranceTest() {
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$this->assertParseData('-');
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}
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// HTMLPurifier_Lexer->extractBody() ---------------------------------------
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function assertExtractBody($text, $extract = true) {
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$lexer = new HTMLPurifier_Lexer();
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$result = $lexer->extractBody($text);
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if ($extract === true) $extract = $text;
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$this->assertIdentical($extract, $result);
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}
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function test_extractBody_noBodyTags() {
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$this->assertExtractBody('<b>Bold</b>');
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}
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function test_extractBody_lowercaseBodyTags() {
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$this->assertExtractBody('<html><body><b>Bold</b></body></html>', '<b>Bold</b>');
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}
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function test_extractBody_uppercaseBodyTags() {
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$this->assertExtractBody('<HTML><BODY><B>Bold</B></BODY></HTML>', '<B>Bold</B>');
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}
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function test_extractBody_realisticUseCase() {
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$this->assertExtractBody(
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'<?xml version="1.0"
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<title>xyz</title>
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</head>
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<body>
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<form method="post" action="whatever1">
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<div>
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<input type="text" name="username" />
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<input type="text" name="password" />
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<input type="submit" />
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</div>
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</form>
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</body>
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</html>',
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'
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<form method="post" action="whatever1">
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<div>
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<input type="text" name="username" />
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<input type="text" name="password" />
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<input type="submit" />
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</div>
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</form>
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');
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}
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function test_extractBody_bodyWithAttributes() {
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$this->assertExtractBody('<html><body bgcolor="#F00"><b>Bold</b></body></html>', '<b>Bold</b>');
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}
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function test_extractBody_preserveUnclosedBody() {
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$this->assertExtractBody('<body>asdf'); // not closed, don't accept
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}
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function test_extractBody_useLastBody() {
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$this->assertExtractBody('<body>foo</body>bar</body>', 'foo</body>bar');
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}
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// HTMLPurifier_Lexer->tokenizeHTML() --------------------------------------
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function assertTokenization($input, $expect, $alt_expect = array()) {
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$lexers = array();
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$lexers['DirectLex'] = new HTMLPurifier_Lexer_DirectLex();
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if ($this->_has_pear) $lexers['PEARSax3'] = new HTMLPurifier_Lexer_PEARSax3();
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if (class_exists('DOMDocument')) {
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$lexers['DOMLex'] = new HTMLPurifier_Lexer_DOMLex();
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$lexers['PH5P'] = new HTMLPurifier_Lexer_PH5P();
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}
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foreach ($lexers as $name => $lexer) {
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$result = $lexer->tokenizeHTML($input, $this->config, $this->context);
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if (isset($alt_expect[$name])) {
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if ($alt_expect[$name] === false) continue;
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$t_expect = $alt_expect[$name];
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$this->assertIdentical($result, $alt_expect[$name], "$name: %s");
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} else {
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$t_expect = $expect;
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$this->assertIdentical($result, $expect, "$name: %s");
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}
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if ($t_expect != $result) {
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printTokens($result);
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}
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}
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}
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function test_tokenizeHTML_emptyInput() {
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$this->assertTokenization('', array());
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}
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function test_tokenizeHTML_plainText() {
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$this->assertTokenization(
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'This is regular text.',
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array(
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new HTMLPurifier_Token_Text('This is regular text.')
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)
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);
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}
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function test_tokenizeHTML_textAndTags() {
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$this->assertTokenization(
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'This is <b>bold</b> text',
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array(
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new HTMLPurifier_Token_Text('This is '),
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new HTMLPurifier_Token_Start('b', array()),
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new HTMLPurifier_Token_Text('bold'),
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new HTMLPurifier_Token_End('b'),
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new HTMLPurifier_Token_Text(' text'),
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)
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);
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}
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function test_tokenizeHTML_normalizeCase() {
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$this->assertTokenization(
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'<DIV>Totally rad dude. <b>asdf</b></div>',
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array(
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new HTMLPurifier_Token_Start('DIV', array()),
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new HTMLPurifier_Token_Text('Totally rad dude. '),
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new HTMLPurifier_Token_Start('b', array()),
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new HTMLPurifier_Token_Text('asdf'),
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new HTMLPurifier_Token_End('b'),
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new HTMLPurifier_Token_End('div'),
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)
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);
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}
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function test_tokenizeHTML_notWellFormed() {
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$this->assertTokenization(
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'<asdf></asdf><d></d><poOloka><poolasdf><ds></asdf></ASDF>',
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array(
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new HTMLPurifier_Token_Start('asdf'),
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new HTMLPurifier_Token_End('asdf'),
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new HTMLPurifier_Token_Start('d'),
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new HTMLPurifier_Token_End('d'),
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new HTMLPurifier_Token_Start('poOloka'),
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new HTMLPurifier_Token_Start('poolasdf'),
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new HTMLPurifier_Token_Start('ds'),
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new HTMLPurifier_Token_End('asdf'),
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new HTMLPurifier_Token_End('ASDF'),
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),
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array(
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'DOMLex' => $alt = array(
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new HTMLPurifier_Token_Empty('asdf'),
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new HTMLPurifier_Token_Empty('d'),
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new HTMLPurifier_Token_Start('pooloka'),
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new HTMLPurifier_Token_Start('poolasdf'),
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new HTMLPurifier_Token_Empty('ds'),
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new HTMLPurifier_Token_End('poolasdf'),
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new HTMLPurifier_Token_End('pooloka'),
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),
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'PH5P' => $alt,
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)
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);
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}
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function test_tokenizeHTML_whitespaceInTag() {
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$this->assertTokenization(
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'<a'."\t".'href="foobar.php"'."\n".'title="foo!">Link to <b id="asdf">foobar</b></a>',
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array(
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new HTMLPurifier_Token_Start('a',array('href'=>'foobar.php','title'=>'foo!')),
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new HTMLPurifier_Token_Text('Link to '),
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new HTMLPurifier_Token_Start('b',array('id'=>'asdf')),
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new HTMLPurifier_Token_Text('foobar'),
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new HTMLPurifier_Token_End('b'),
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new HTMLPurifier_Token_End('a'),
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)
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);
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}
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function test_tokenizeHTML_singleAttribute() {
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$this->assertTokenization(
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'<br style="&" />',
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array(
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new HTMLPurifier_Token_Empty('br', array('style' => '&'))
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)
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);
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}
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function test_tokenizeHTML_emptyTag() {
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$this->assertTokenization(
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'<br />',
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array( new HTMLPurifier_Token_Empty('br') )
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);
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}
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function test_tokenizeHTML_comment() {
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$this->assertTokenization(
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'<!-- Comment -->',
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array( new HTMLPurifier_Token_Comment(' Comment ') )
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);
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}
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function test_tokenizeHTML_malformedComment() {
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$this->assertTokenization(
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'<!-- not so well formed --->',
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array( new HTMLPurifier_Token_Comment(' not so well formed -') )
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);
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}
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function test_tokenizeHTML_unterminatedTag() {
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$this->assertTokenization(
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'<a href=""',
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array( new HTMLPurifier_Token_Text('<a href=""') ),
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array(
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// I like our behavior better, but it's non-standard
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'DOMLex' => array( new HTMLPurifier_Token_Empty('a', array('href'=>'')) ),
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'PEARSax3' => array( new HTMLPurifier_Token_Start('a', array('href'=>'')) ),
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'PH5P' => false, // total barfing, grabs scaffolding too
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)
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);
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}
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function test_tokenizeHTML_specialEntities() {
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$this->assertTokenization(
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'<b>',
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array(
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new HTMLPurifier_Token_Text('<b>')
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),
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array(
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// some parsers will separate entities out
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'PEARSax3' => $split = array(
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new HTMLPurifier_Token_Text('<'),
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new HTMLPurifier_Token_Text('b'),
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new HTMLPurifier_Token_Text('>'),
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),
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'PH5P' => $split,
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)
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);
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}
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function test_tokenizeHTML_earlyQuote() {
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$this->assertTokenization(
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'<a "=>',
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array( new HTMLPurifier_Token_Empty('a') ),
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array(
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// we barf on this input
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'DirectLex' => $tokens = array(
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new HTMLPurifier_Token_Start('a', array('"' => ''))
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),
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'PEARSax3' => $tokens,
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'PH5P' => false, // behavior varies; handle this personally
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)
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);
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}
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function test_tokenizeHTML_earlyQuote_PH5P() {
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if (!class_exists('DOMDocument')) return;
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$lexer = new HTMLPurifier_Lexer_PH5P();
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$result = $lexer->tokenizeHTML('<a "=>', $this->config, $this->context);
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if ($this->context->get('PH5PError', true)) {
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$this->assertIdentical(array(
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new HTMLPurifier_Token_Start('a', array('"' => ''))
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), $result);
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} else {
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$this->assertIdentical(array(
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new HTMLPurifier_Token_Empty('a', array('"' => ''))
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), $result);
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}
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}
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function test_tokenizeHTML_unescapedQuote() {
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$this->assertTokenization(
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'"',
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array( new HTMLPurifier_Token_Text('"') )
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);
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}
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function test_tokenizeHTML_escapedQuote() {
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$this->assertTokenization(
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'"',
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array( new HTMLPurifier_Token_Text('"') ),
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array(
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'PEARSax3' => false, // PEAR barfs on this
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)
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);
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}
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function test_tokenizeHTML_cdata() {
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$this->assertTokenization(
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'<![CDATA[You <b>can't</b> get me!]]>',
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array( new HTMLPurifier_Token_Text('You <b>can't</b> get me!') ),
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array(
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// PEAR splits up all of the CDATA
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'PEARSax3' => $split = array(
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new HTMLPurifier_Token_Text('You '),
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new HTMLPurifier_Token_Text('<'),
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new HTMLPurifier_Token_Text('b'),
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new HTMLPurifier_Token_Text('>'),
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new HTMLPurifier_Token_Text('can'),
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new HTMLPurifier_Token_Text('&'),
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new HTMLPurifier_Token_Text('#39;t'),
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new HTMLPurifier_Token_Text('<'),
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new HTMLPurifier_Token_Text('/b'),
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new HTMLPurifier_Token_Text('>'),
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new HTMLPurifier_Token_Text(' get me!'),
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),
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'PH5P' => $split,
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)
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);
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}
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function test_tokenizeHTML_characterEntity() {
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$this->assertTokenization(
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'θ',
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array( new HTMLPurifier_Token_Text("\xCE\xB8") )
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);
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}
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function test_tokenizeHTML_characterEntityInCDATA() {
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$this->assertTokenization(
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'<![CDATA[→]]>',
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array( new HTMLPurifier_Token_Text("→") ),
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array(
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'PEARSax3' => $split = array(
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new HTMLPurifier_Token_Text('&'),
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new HTMLPurifier_Token_Text('rarr;'),
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),
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'PH5P' => $split,
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)
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);
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}
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function test_tokenizeHTML_entityInAttribute() {
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$this->assertTokenization(
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'<a href="index.php?title=foo&id=bar">Link</a>',
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array(
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new HTMLPurifier_Token_Start('a',array('href' => 'index.php?title=foo&id=bar')),
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new HTMLPurifier_Token_Text('Link'),
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new HTMLPurifier_Token_End('a'),
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)
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);
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}
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function test_tokenizeHTML_preserveUTF8() {
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$this->assertTokenization(
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"\xCE\xB8",
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array( new HTMLPurifier_Token_Text("\xCE\xB8") )
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);
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}
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function test_tokenizeHTML_specialEntityInAttribute() {
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$this->assertTokenization(
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'<br test="x < 6" />',
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array( new HTMLPurifier_Token_Empty('br', array('test' => 'x < 6')) )
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);
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}
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function test_tokenizeHTML_emoticonProtection() {
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$this->assertTokenization(
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'<b>Whoa! <3 That\'s not good >.></b>',
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array(
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new HTMLPurifier_Token_Start('b'),
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new HTMLPurifier_Token_Text('Whoa! '),
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new HTMLPurifier_Token_Text('<'),
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new HTMLPurifier_Token_Text('3 That\'s not good >.>'),
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new HTMLPurifier_Token_End('b')
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),
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array(
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// text is absorbed together
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'DOMLex' => array(
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new HTMLPurifier_Token_Start('b'),
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new HTMLPurifier_Token_Text('Whoa! <3 That\'s not good >.>'),
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new HTMLPurifier_Token_End('b'),
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),
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'PEARSax3' => false, // totally mangled
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'PH5P' => array( // interesting grouping
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new HTMLPurifier_Token_Start('b'),
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new HTMLPurifier_Token_Text('Whoa! '),
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new HTMLPurifier_Token_Text('<'),
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new HTMLPurifier_Token_Text('3 That\'s not good >.>'),
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new HTMLPurifier_Token_End('b'),
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),
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)
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);
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}
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function test_tokenizeHTML_commentWithFunkyChars() {
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$this->assertTokenization(
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'<!-- This >< comment --><br />',
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array(
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new HTMLPurifier_Token_Comment(' This >< comment '),
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new HTMLPurifier_Token_Empty('br'),
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),
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array(
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'PEARSax3' => false,
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)
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);
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}
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function test_tokenizeHTML_unterminatedComment() {
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$this->assertTokenization(
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'<!-- This >< comment',
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array( new HTMLPurifier_Token_Comment(' This >< comment') ),
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array(
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'DOMLex' => false,
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'PEARSax3' => false,
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'PH5P' => false,
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)
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);
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}
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function test_tokenizeHTML_scriptCDATAContents() {
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$this->config->set('HTML.Trusted', true);
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$this->assertTokenization(
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'Foo: <script>alert("<foo>");</script>',
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array(
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new HTMLPurifier_Token_Text('Foo: '),
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new HTMLPurifier_Token_Start('script'),
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new HTMLPurifier_Token_Text('alert("<foo>");'),
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new HTMLPurifier_Token_End('script'),
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),
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array(
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'PEARSax3' => false,
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|
// PH5P, for some reason, bubbles the script to <head>
|
|
'PH5P' => false,
|
|
)
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_entitiesInComment() {
|
|
$this->assertTokenization(
|
|
'<!-- This comment < < & -->',
|
|
array( new HTMLPurifier_Token_Comment(' This comment < < & ') ),
|
|
array(
|
|
'PEARSax3' => false
|
|
)
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_attributeWithSpecialCharacters() {
|
|
$this->assertTokenization(
|
|
'<a href="><>">',
|
|
array( new HTMLPurifier_Token_Empty('a', array('href' => '><>')) ),
|
|
array(
|
|
'DirectLex' => array(
|
|
new HTMLPurifier_Token_Start('a', array('href' => '')),
|
|
new HTMLPurifier_Token_Text('<'),
|
|
new HTMLPurifier_Token_Text('">'),
|
|
),
|
|
'PEARSax3' => false,
|
|
)
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_emptyTagWithSlashInAttribute() {
|
|
$this->assertTokenization(
|
|
'<param name="src" value="http://example.com/video.wmv" />',
|
|
array( new HTMLPurifier_Token_Empty('param', array('name' => 'src', 'value' => 'http://example.com/video.wmv')) )
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_style() {
|
|
$extra = array(
|
|
// PH5P doesn't seem to like style tags
|
|
'PH5P' => false,
|
|
// DirectLex defers to RemoveForeignElements for textification
|
|
'DirectLex' => array(
|
|
new HTMLPurifier_Token_Start('style', array('type' => 'text/css')),
|
|
new HTMLPurifier_Token_Comment("\ndiv {}\n"),
|
|
new HTMLPurifier_Token_End('style'),
|
|
),
|
|
);
|
|
if (!defined('LIBXML_VERSION')) {
|
|
// LIBXML_VERSION is missing in early versions of PHP
|
|
// prior to 1.30 of php-src/ext/libxml/libxml.c (version-wise,
|
|
// this translates to 5.0.x. In such cases, punt the test entirely.
|
|
return;
|
|
} elseif (LIBXML_VERSION < 20628) {
|
|
// libxml's behavior is wrong prior to this version, so make
|
|
// appropriate accomodations
|
|
$extra['DOMLex'] = $extra['DirectLex'];
|
|
}
|
|
$this->assertTokenization(
|
|
'<style type="text/css"><!--
|
|
div {}
|
|
--></style>',
|
|
array(
|
|
new HTMLPurifier_Token_Start('style', array('type' => 'text/css')),
|
|
new HTMLPurifier_Token_Text("\ndiv {}\n"),
|
|
new HTMLPurifier_Token_End('style'),
|
|
),
|
|
$extra
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_tagWithAtSignAndExtraGt() {
|
|
$alt_expect = array(
|
|
// Technically this is invalid, but it won't be a
|
|
// problem with invalid element removal; also, this
|
|
// mimics Mozilla's parsing of the tag.
|
|
new HTMLPurifier_Token_Start('a@'),
|
|
new HTMLPurifier_Token_Text('>'),
|
|
);
|
|
$this->assertTokenization(
|
|
'<a@>>',
|
|
array(
|
|
new HTMLPurifier_Token_Start('a'),
|
|
new HTMLPurifier_Token_Text('>'),
|
|
new HTMLPurifier_Token_End('a'),
|
|
),
|
|
array(
|
|
'DirectLex' => $alt_expect,
|
|
'PEARSax3' => $alt_expect,
|
|
)
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_emoticonHeart() {
|
|
$this->assertTokenization(
|
|
'<br /><3<br />',
|
|
array(
|
|
new HTMLPurifier_Token_Empty('br'),
|
|
new HTMLPurifier_Token_Text('<'),
|
|
new HTMLPurifier_Token_Text('3'),
|
|
new HTMLPurifier_Token_Empty('br'),
|
|
),
|
|
array(
|
|
'DOMLex' => array(
|
|
new HTMLPurifier_Token_Empty('br'),
|
|
new HTMLPurifier_Token_Text('<3'),
|
|
new HTMLPurifier_Token_Empty('br'),
|
|
),
|
|
'PEARSax3' => array(
|
|
// bah too lazy to fix this
|
|
new HTMLPurifier_Token_Empty('br'),
|
|
new HTMLPurifier_Token_Empty('3<br'),
|
|
),
|
|
)
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_emoticonShiftyEyes() {
|
|
$this->assertTokenization(
|
|
'<b><<</b>',
|
|
array(
|
|
new HTMLPurifier_Token_Start('b'),
|
|
new HTMLPurifier_Token_Text('<'),
|
|
new HTMLPurifier_Token_Text('<'),
|
|
new HTMLPurifier_Token_End('b'),
|
|
),
|
|
array(
|
|
'DOMLex' => array(
|
|
new HTMLPurifier_Token_Start('b'),
|
|
new HTMLPurifier_Token_Text('<<'),
|
|
new HTMLPurifier_Token_End('b'),
|
|
),
|
|
'PEARSax3' => array(
|
|
// also too lazy to fix
|
|
new HTMLPurifier_Token_Start('b'),
|
|
new HTMLPurifier_Token_Empty('<<'),
|
|
new HTMLPurifier_Token_Text('b>'),
|
|
),
|
|
)
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_eon1996() {
|
|
$this->assertTokenization(
|
|
'< <b>test</b>',
|
|
array(
|
|
new HTMLPurifier_Token_Text('<'),
|
|
new HTMLPurifier_Token_Text(' '),
|
|
new HTMLPurifier_Token_Start('b'),
|
|
new HTMLPurifier_Token_Text('test'),
|
|
new HTMLPurifier_Token_End('b'),
|
|
),
|
|
array(
|
|
'DOMLex' => array(
|
|
new HTMLPurifier_Token_Text('< '),
|
|
new HTMLPurifier_Token_Start('b'),
|
|
new HTMLPurifier_Token_Text('test'),
|
|
new HTMLPurifier_Token_End('b'),
|
|
),
|
|
'PEARSax3' => array(
|
|
// totally doing the wrong thing here
|
|
new HTMLPurifier_Token_Text(' '),
|
|
new HTMLPurifier_Token_Start('b'),
|
|
new HTMLPurifier_Token_Text('test'),
|
|
new HTMLPurifier_Token_End('b'),
|
|
),
|
|
)
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_bodyInCDATA() {
|
|
$alt_tokens = array(
|
|
new HTMLPurifier_Token_Text('<'),
|
|
new HTMLPurifier_Token_Text('body'),
|
|
new HTMLPurifier_Token_Text('>'),
|
|
new HTMLPurifier_Token_Text('Foo'),
|
|
new HTMLPurifier_Token_Text('<'),
|
|
new HTMLPurifier_Token_Text('/body'),
|
|
new HTMLPurifier_Token_Text('>'),
|
|
);
|
|
$this->assertTokenization(
|
|
'<![CDATA[<body>Foo</body>]]>',
|
|
array(
|
|
new HTMLPurifier_Token_Text('<body>Foo</body>'),
|
|
),
|
|
array(
|
|
'PH5P' => $alt_tokens,
|
|
'PEARSax3' => $alt_tokens,
|
|
)
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_() {
|
|
$this->assertTokenization(
|
|
'<a><img /></a>',
|
|
array(
|
|
new HTMLPurifier_Token_Start('a'),
|
|
new HTMLPurifier_Token_Empty('img'),
|
|
new HTMLPurifier_Token_End('a'),
|
|
)
|
|
);
|
|
}
|
|
|
|
function test_tokenizeHTML_ignoreIECondComment() {
|
|
$this->assertTokenization(
|
|
'<!--[if IE]>foo<a>bar<!-- baz --><![endif]-->',
|
|
array()
|
|
);
|
|
}
|
|
|
|
/*
|
|
|
|
function test_tokenizeHTML_() {
|
|
$this->assertTokenization(
|
|
,
|
|
array(
|
|
|
|
)
|
|
);
|
|
}
|
|
*/
|
|
|
|
}
|
|
|
|
// vim: et sw=4 sts=4
|