diff options
author | Bernhard Posselt <dev@bernhard-posselt.com> | 2014-11-07 12:32:05 +0100 |
---|---|---|
committer | Bernhard Posselt <dev@bernhard-posselt.com> | 2014-11-07 12:32:05 +0100 |
commit | 7f81afd7efbeb931d16ce1f3a1ed53a54226d553 (patch) | |
tree | 180720cd96aa66ae8964f13734e090d4b82a178e /vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector | |
parent | a6d6288e65aa416aca7535e81d9e8837c2cfb103 (diff) |
move 3rdparty directory to vendor to be more consistent with composer standard and because we also use js/vendor for third party libs
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector')
7 files changed, 832 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/AutoParagraph.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/AutoParagraph.php new file mode 100644 index 000000000..4afdd128d --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/AutoParagraph.php @@ -0,0 +1,356 @@ +<?php + +/** + * Injector that auto paragraphs text in the root node based on + * double-spacing. + * @todo Ensure all states are unit tested, including variations as well. + * @todo Make a graph of the flow control for this Injector. + */ +class HTMLPurifier_Injector_AutoParagraph extends HTMLPurifier_Injector +{ + /** + * @type string + */ + public $name = 'AutoParagraph'; + + /** + * @type array + */ + public $needed = array('p'); + + /** + * @return HTMLPurifier_Token_Start + */ + private function _pStart() + { + $par = new HTMLPurifier_Token_Start('p'); + $par->armor['MakeWellFormed_TagClosedError'] = true; + return $par; + } + + /** + * @param HTMLPurifier_Token_Text $token + */ + public function handleText(&$token) + { + $text = $token->data; + // Does the current parent allow <p> tags? + if ($this->allowsElement('p')) { + if (empty($this->currentNesting) || strpos($text, "\n\n") !== false) { + // Note that we have differing behavior when dealing with text + // in the anonymous root node, or a node inside the document. + // If the text as a double-newline, the treatment is the same; + // if it doesn't, see the next if-block if you're in the document. + + $i = $nesting = null; + if (!$this->forwardUntilEndToken($i, $current, $nesting) && $token->is_whitespace) { + // State 1.1: ... ^ (whitespace, then document end) + // ---- + // This is a degenerate case + } else { + if (!$token->is_whitespace || $this->_isInline($current)) { + // State 1.2: PAR1 + // ---- + + // State 1.3: PAR1\n\nPAR2 + // ------------ + + // State 1.4: <div>PAR1\n\nPAR2 (see State 2) + // ------------ + $token = array($this->_pStart()); + $this->_splitText($text, $token); + } else { + // State 1.5: \n<hr /> + // -- + } + } + } else { + // State 2: <div>PAR1... (similar to 1.4) + // ---- + + // We're in an element that allows paragraph tags, but we're not + // sure if we're going to need them. + if ($this->_pLookAhead()) { + // State 2.1: <div>PAR1<b>PAR1\n\nPAR2 + // ---- + // Note: This will always be the first child, since any + // previous inline element would have triggered this very + // same routine, and found the double newline. One possible + // exception would be a comment. + $token = array($this->_pStart(), $token); + } else { + // State 2.2.1: <div>PAR1<div> + // ---- + + // State 2.2.2: <div>PAR1<b>PAR1</b></div> + // ---- + } + } + // Is the current parent a <p> tag? + } elseif (!empty($this->currentNesting) && + $this->currentNesting[count($this->currentNesting) - 1]->name == 'p') { + // State 3.1: ...<p>PAR1 + // ---- + + // State 3.2: ...<p>PAR1\n\nPAR2 + // ------------ + $token = array(); + $this->_splitText($text, $token); + // Abort! + } else { + // State 4.1: ...<b>PAR1 + // ---- + + // State 4.2: ...<b>PAR1\n\nPAR2 + // ------------ + } + } + + /** + * @param HTMLPurifier_Token $token + */ + public function handleElement(&$token) + { + // We don't have to check if we're already in a <p> tag for block + // tokens, because the tag would have been autoclosed by MakeWellFormed. + if ($this->allowsElement('p')) { + if (!empty($this->currentNesting)) { + if ($this->_isInline($token)) { + // State 1: <div>...<b> + // --- + // Check if this token is adjacent to the parent token + // (seek backwards until token isn't whitespace) + $i = null; + $this->backward($i, $prev); + + if (!$prev instanceof HTMLPurifier_Token_Start) { + // Token wasn't adjacent + if ($prev instanceof HTMLPurifier_Token_Text && + substr($prev->data, -2) === "\n\n" + ) { + // State 1.1.4: <div><p>PAR1</p>\n\n<b> + // --- + // Quite frankly, this should be handled by splitText + $token = array($this->_pStart(), $token); + } else { + // State 1.1.1: <div><p>PAR1</p><b> + // --- + // State 1.1.2: <div><br /><b> + // --- + // State 1.1.3: <div>PAR<b> + // --- + } + } else { + // State 1.2.1: <div><b> + // --- + // Lookahead to see if <p> is needed. + if ($this->_pLookAhead()) { + // State 1.3.1: <div><b>PAR1\n\nPAR2 + // --- + $token = array($this->_pStart(), $token); + } else { + // State 1.3.2: <div><b>PAR1</b></div> + // --- + + // State 1.3.3: <div><b>PAR1</b><div></div>\n\n</div> + // --- + } + } + } else { + // State 2.3: ...<div> + // ----- + } + } else { + if ($this->_isInline($token)) { + // State 3.1: <b> + // --- + // This is where the {p} tag is inserted, not reflected in + // inputTokens yet, however. + $token = array($this->_pStart(), $token); + } else { + // State 3.2: <div> + // ----- + } + + $i = null; + if ($this->backward($i, $prev)) { + if (!$prev instanceof HTMLPurifier_Token_Text) { + // State 3.1.1: ...</p>{p}<b> + // --- + // State 3.2.1: ...</p><div> + // ----- + if (!is_array($token)) { + $token = array($token); + } + array_unshift($token, new HTMLPurifier_Token_Text("\n\n")); + } else { + // State 3.1.2: ...</p>\n\n{p}<b> + // --- + // State 3.2.2: ...</p>\n\n<div> + // ----- + // Note: PAR<ELEM> cannot occur because PAR would have been + // wrapped in <p> tags. + } + } + } + } else { + // State 2.2: <ul><li> + // ---- + // State 2.4: <p><b> + // --- + } + } + + /** + * Splits up a text in paragraph tokens and appends them + * to the result stream that will replace the original + * @param string $data String text data that will be processed + * into paragraphs + * @param HTMLPurifier_Token[] $result Reference to array of tokens that the + * tags will be appended onto + */ + private function _splitText($data, &$result) + { + $raw_paragraphs = explode("\n\n", $data); + $paragraphs = array(); // without empty paragraphs + $needs_start = false; + $needs_end = false; + + $c = count($raw_paragraphs); + if ($c == 1) { + // There were no double-newlines, abort quickly. In theory this + // should never happen. + $result[] = new HTMLPurifier_Token_Text($data); + return; + } + for ($i = 0; $i < $c; $i++) { + $par = $raw_paragraphs[$i]; + if (trim($par) !== '') { + $paragraphs[] = $par; + } else { + if ($i == 0) { + // Double newline at the front + if (empty($result)) { + // The empty result indicates that the AutoParagraph + // injector did not add any start paragraph tokens. + // This means that we have been in a paragraph for + // a while, and the newline means we should start a new one. + $result[] = new HTMLPurifier_Token_End('p'); + $result[] = new HTMLPurifier_Token_Text("\n\n"); + // However, the start token should only be added if + // there is more processing to be done (i.e. there are + // real paragraphs in here). If there are none, the + // next start paragraph tag will be handled by the + // next call to the injector + $needs_start = true; + } else { + // We just started a new paragraph! + // Reinstate a double-newline for presentation's sake, since + // it was in the source code. + array_unshift($result, new HTMLPurifier_Token_Text("\n\n")); + } + } elseif ($i + 1 == $c) { + // Double newline at the end + // There should be a trailing </p> when we're finally done. + $needs_end = true; + } + } + } + + // Check if this was just a giant blob of whitespace. Move this earlier, + // perhaps? + if (empty($paragraphs)) { + return; + } + + // Add the start tag indicated by \n\n at the beginning of $data + if ($needs_start) { + $result[] = $this->_pStart(); + } + + // Append the paragraphs onto the result + foreach ($paragraphs as $par) { + $result[] = new HTMLPurifier_Token_Text($par); + $result[] = new HTMLPurifier_Token_End('p'); + $result[] = new HTMLPurifier_Token_Text("\n\n"); + $result[] = $this->_pStart(); + } + + // Remove trailing start token; Injector will handle this later if + // it was indeed needed. This prevents from needing to do a lookahead, + // at the cost of a lookbehind later. + array_pop($result); + + // If there is no need for an end tag, remove all of it and let + // MakeWellFormed close it later. + if (!$needs_end) { + array_pop($result); // removes \n\n + array_pop($result); // removes </p> + } + } + + /** + * Returns true if passed token is inline (and, ergo, allowed in + * paragraph tags) + * @param HTMLPurifier_Token $token + * @return bool + */ + private function _isInline($token) + { + return isset($this->htmlDefinition->info['p']->child->elements[$token->name]); + } + + /** + * Looks ahead in the token list and determines whether or not we need + * to insert a <p> tag. + * @return bool + */ + private function _pLookAhead() + { + if ($this->currentToken instanceof HTMLPurifier_Token_Start) { + $nesting = 1; + } else { + $nesting = 0; + } + $ok = false; + $i = null; + while ($this->forwardUntilEndToken($i, $current, $nesting)) { + $result = $this->_checkNeedsP($current); + if ($result !== null) { + $ok = $result; + break; + } + } + return $ok; + } + + /** + * Determines if a particular token requires an earlier inline token + * to get a paragraph. This should be used with _forwardUntilEndToken + * @param HTMLPurifier_Token $current + * @return bool + */ + private function _checkNeedsP($current) + { + if ($current instanceof HTMLPurifier_Token_Start) { + if (!$this->_isInline($current)) { + // <div>PAR1<div> + // ---- + // Terminate early, since we hit a block element + return false; + } + } elseif ($current instanceof HTMLPurifier_Token_Text) { + if (strpos($current->data, "\n\n") !== false) { + // <div>PAR1<b>PAR1\n\nPAR2 + // ---- + return true; + } else { + // <div>PAR1<b>PAR1... + // ---- + } + } + return null; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/DisplayLinkURI.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/DisplayLinkURI.php new file mode 100644 index 000000000..c19b1bc27 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/DisplayLinkURI.php @@ -0,0 +1,40 @@ +<?php + +/** + * Injector that displays the URL of an anchor instead of linking to it, in addition to showing the text of the link. + */ +class HTMLPurifier_Injector_DisplayLinkURI extends HTMLPurifier_Injector +{ + /** + * @type string + */ + public $name = 'DisplayLinkURI'; + + /** + * @type array + */ + public $needed = array('a'); + + /** + * @param $token + */ + public function handleElement(&$token) + { + } + + /** + * @param HTMLPurifier_Token $token + */ + public function handleEnd(&$token) + { + if (isset($token->start->attr['href'])) { + $url = $token->start->attr['href']; + unset($token->start->attr['href']); + $token = array($token, new HTMLPurifier_Token_Text(" ($url)")); + } else { + // nothing to display + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/Linkify.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/Linkify.php new file mode 100644 index 000000000..069708c25 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/Linkify.php @@ -0,0 +1,59 @@ +<?php + +/** + * Injector that converts http, https and ftp text URLs to actual links. + */ +class HTMLPurifier_Injector_Linkify extends HTMLPurifier_Injector +{ + /** + * @type string + */ + public $name = 'Linkify'; + + /** + * @type array + */ + public $needed = array('a' => array('href')); + + /** + * @param HTMLPurifier_Token $token + */ + public function handleText(&$token) + { + if (!$this->allowsElement('a')) { + return; + } + + if (strpos($token->data, '://') === false) { + // our really quick heuristic failed, abort + // this may not work so well if we want to match things like + // "google.com", but then again, most people don't + return; + } + + // there is/are URL(s). Let's split the string: + // Note: this regex is extremely permissive + $bits = preg_split('#((?:https?|ftp)://[^\s\'",<>()]+)#Su', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE); + + + $token = array(); + + // $i = index + // $c = count + // $l = is link + for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) { + if (!$l) { + if ($bits[$i] === '') { + continue; + } + $token[] = new HTMLPurifier_Token_Text($bits[$i]); + } else { + $token[] = new HTMLPurifier_Token_Start('a', array('href' => $bits[$i])); + $token[] = new HTMLPurifier_Token_Text($bits[$i]); + $token[] = new HTMLPurifier_Token_End('a'); + } + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/PurifierLinkify.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/PurifierLinkify.php new file mode 100644 index 000000000..cb9046f33 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/PurifierLinkify.php @@ -0,0 +1,71 @@ +<?php + +/** + * Injector that converts configuration directive syntax %Namespace.Directive + * to links + */ +class HTMLPurifier_Injector_PurifierLinkify extends HTMLPurifier_Injector +{ + /** + * @type string + */ + public $name = 'PurifierLinkify'; + + /** + * @type string + */ + public $docURL; + + /** + * @type array + */ + public $needed = array('a' => array('href')); + + /** + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string + */ + public function prepare($config, $context) + { + $this->docURL = $config->get('AutoFormat.PurifierLinkify.DocURL'); + return parent::prepare($config, $context); + } + + /** + * @param HTMLPurifier_Token $token + */ + public function handleText(&$token) + { + if (!$this->allowsElement('a')) { + return; + } + if (strpos($token->data, '%') === false) { + return; + } + + $bits = preg_split('#%([a-z0-9]+\.[a-z0-9]+)#Si', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE); + $token = array(); + + // $i = index + // $c = count + // $l = is link + for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) { + if (!$l) { + if ($bits[$i] === '') { + continue; + } + $token[] = new HTMLPurifier_Token_Text($bits[$i]); + } else { + $token[] = new HTMLPurifier_Token_Start( + 'a', + array('href' => str_replace('%s', $bits[$i], $this->docURL)) + ); + $token[] = new HTMLPurifier_Token_Text('%' . $bits[$i]); + $token[] = new HTMLPurifier_Token_End('a'); + } + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php new file mode 100644 index 000000000..cd885722e --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php @@ -0,0 +1,101 @@ +<?php + +class HTMLPurifier_Injector_RemoveEmpty extends HTMLPurifier_Injector +{ + /** + * @type HTMLPurifier_Context + */ + private $context; + + /** + * @type HTMLPurifier_Config + */ + private $config; + + /** + * @type HTMLPurifier_AttrValidator + */ + private $attrValidator; + + /** + * @type bool + */ + private $removeNbsp; + + /** + * @type bool + */ + private $removeNbspExceptions; + + /** + * @type array + * TODO: make me configurable + */ + private $_exclude = array('colgroup' => 1, 'th' => 1, 'td' => 1, 'iframe' => 1); + + /** + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return void + */ + public function prepare($config, $context) + { + parent::prepare($config, $context); + $this->config = $config; + $this->context = $context; + $this->removeNbsp = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp'); + $this->removeNbspExceptions = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions'); + $this->attrValidator = new HTMLPurifier_AttrValidator(); + } + + /** + * @param HTMLPurifier_Token $token + */ + public function handleElement(&$token) + { + if (!$token instanceof HTMLPurifier_Token_Start) { + return; + } + $next = false; + $deleted = 1; // the current tag + for ($i = count($this->inputZipper->back) - 1; $i >= 0; $i--, $deleted++) { + $next = $this->inputZipper->back[$i]; + if ($next instanceof HTMLPurifier_Token_Text) { + if ($next->is_whitespace) { + continue; + } + if ($this->removeNbsp && !isset($this->removeNbspExceptions[$token->name])) { + $plain = str_replace("\xC2\xA0", "", $next->data); + $isWsOrNbsp = $plain === '' || ctype_space($plain); + if ($isWsOrNbsp) { + continue; + } + } + } + break; + } + if (!$next || ($next instanceof HTMLPurifier_Token_End && $next->name == $token->name)) { + if (isset($this->_exclude[$token->name])) { + return; + } + $this->attrValidator->validateToken($token, $this->config, $this->context); + $token->armor['ValidateAttributes'] = true; + if (isset($token->attr['id']) || isset($token->attr['name'])) { + return; + } + $token = $deleted + 1; + for ($b = 0, $c = count($this->inputZipper->front); $b < $c; $b++) { + $prev = $this->inputZipper->front[$b]; + if ($prev instanceof HTMLPurifier_Token_Text && $prev->is_whitespace) { + continue; + } + break; + } + // This is safe because we removed the token that triggered this. + $this->rewindOffset($b+$deleted); + return; + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php new file mode 100644 index 000000000..9ee7aa84d --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php @@ -0,0 +1,84 @@ +<?php + +/** + * Injector that removes spans with no attributes + */ +class HTMLPurifier_Injector_RemoveSpansWithoutAttributes extends HTMLPurifier_Injector +{ + /** + * @type string + */ + public $name = 'RemoveSpansWithoutAttributes'; + + /** + * @type array + */ + public $needed = array('span'); + + /** + * @type HTMLPurifier_AttrValidator + */ + private $attrValidator; + + /** + * Used by AttrValidator. + * @type HTMLPurifier_Config + */ + private $config; + + /** + * @type HTMLPurifier_Context + */ + private $context; + + public function prepare($config, $context) + { + $this->attrValidator = new HTMLPurifier_AttrValidator(); + $this->config = $config; + $this->context = $context; + return parent::prepare($config, $context); + } + + /** + * @param HTMLPurifier_Token $token + */ + public function handleElement(&$token) + { + if ($token->name !== 'span' || !$token instanceof HTMLPurifier_Token_Start) { + return; + } + + // We need to validate the attributes now since this doesn't normally + // happen until after MakeWellFormed. If all the attributes are removed + // the span needs to be removed too. + $this->attrValidator->validateToken($token, $this->config, $this->context); + $token->armor['ValidateAttributes'] = true; + + if (!empty($token->attr)) { + return; + } + + $nesting = 0; + while ($this->forwardUntilEndToken($i, $current, $nesting)) { + } + + if ($current instanceof HTMLPurifier_Token_End && $current->name === 'span') { + // Mark closing span tag for deletion + $current->markForDeletion = true; + // Delete open span tag + $token = false; + } + } + + /** + * @param HTMLPurifier_Token $token + */ + public function handleEnd(&$token) + { + if ($token->markForDeletion) { + $token = false; + } + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/SafeObject.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/SafeObject.php new file mode 100644 index 000000000..3d17e07af --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/SafeObject.php @@ -0,0 +1,121 @@ +<?php + +/** + * Adds important param elements to inside of object in order to make + * things safe. + */ +class HTMLPurifier_Injector_SafeObject extends HTMLPurifier_Injector +{ + /** + * @type string + */ + public $name = 'SafeObject'; + + /** + * @type array + */ + public $needed = array('object', 'param'); + + /** + * @type array + */ + protected $objectStack = array(); + + /** + * @type array + */ + protected $paramStack = array(); + + /** + * Keep this synchronized with AttrTransform/SafeParam.php. + * @type array + */ + protected $addParam = array( + 'allowScriptAccess' => 'never', + 'allowNetworking' => 'internal', + ); + + /** + * @type array + */ + protected $allowedParam = array( + 'wmode' => true, + 'movie' => true, + 'flashvars' => true, + 'src' => true, + 'allowFullScreen' => true, // if omitted, assume to be 'false' + ); + + /** + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return void + */ + public function prepare($config, $context) + { + parent::prepare($config, $context); + } + + /** + * @param HTMLPurifier_Token $token + */ + public function handleElement(&$token) + { + if ($token->name == 'object') { + |