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-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/AutoParagraph.php356
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/DisplayLinkURI.php40
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/Linkify.php64
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/PurifierLinkify.php71
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php112
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php84
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/SafeObject.php124
7 files changed, 851 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..74f83eaa7
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/Linkify.php
@@ -0,0 +1,64 @@
+<?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.
+ // We use this regex:
+ // https://gist.github.com/gruber/249502
+ // but with @cscott's backtracking fix and also
+ // the Unicode characters un-Unicodified.
+ $bits = preg_split(
+ '/\\b((?:[a-z][\\w\\-]+:(?:\\/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}\\/)(?:[^\\s()<>]|\\((?:[^\\s()<>]|(?:\\([^\\s()<>]+\\)))*\\))+(?:\\((?:[^\\s()<>]|(?:\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\\[\\]{};:\'".,<>?\x{00ab}\x{00bb}\x{201c}\x{201d}\x{2018}\x{2019}]))/iu',
+ $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..0ebc477c6
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php
@@ -0,0 +1,112 @@
+<?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;
+
+ /**
+ * Cached contents of %AutoFormat.RemoveEmpty.Predicate
+ * @type array
+ */
+ private $exclude;
+
+ /**
+ * @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->exclude = $config->get('AutoFormat.RemoveEmpty.Predicate');
+ foreach ($this->exclude as $key => $attrs) {
+ if (!is_array($attrs)) {
+ // HACK, see HTMLPurifier/Printer/ConfigForm.php
+ $this->exclude[$key] = explode(';', $attrs);
+ }
+ }
+ $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)) {
+ $this->attrValidator->validateToken($token, $this->config, $this->context);
+ $token->armor['ValidateAttributes'] = true;
+ if (isset($this->exclude[$token->name])) {
+ $r = true;
+ foreach ($this->exclude[$token->name] as $elem) {
+ if (!isset($token->attr[$elem])) $r = false;
+ }
+ if ($r) return;
+ }
+ 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..317f7864d
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/SafeObject.php
@@ -0,0 +1,124 @@
+<?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',
+ );
+
+ /**
+ * These are all lower-case keys.
+ * @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') {
+ $this->objectStack[] = $token;
+ $this->paramStack[] = array();
+ $new = array($token);
+ foreach ($this->addParam as $name => $value) {
+ $new[] = new HTMLPurifier_Token_Empty('param', array('name' => $name, 'value' => $value));
+ }
+ $token = $new;
+ } elseif ($token->name == 'param') {
+ $nest = count($this->currentNesting) - 1;
+ if ($nest >= 0 && $this->currentNesting[$nest]->name === 'object') {
+ $i = count($this->objectStack) - 1;
+ if (!isset($token->attr['name'])) {
+ $token = false;
+ return;
+ }
+ $n = $token->attr['name'];
+ // We need this fix because YouTube doesn't supply a data
+ // attribute, which we need if a type is specified. This is
+ // *very* Flash specific.
+ if (!isset($this->objectStack[$i]->attr['data']) &&
+ ($token->attr['name'] == 'movie' || $token->attr['name'] == 'src')
+ ) {
+ $this->objectStack[$i]->attr['data'] = $token->attr['value'];
+ }
+ // Check if the parameter is the correct value but has not
+ // already been added
+ if (!isset($this->paramStack[$i][$n]) &&
+ isset($this->addParam[$n]) &&
+ $token->attr['name'] === $this->addParam[$n]) {
+ // keep token, and add to param stack
+ $this->paramStack[$i][$n] = true;
+ } elseif (isset($this->allowedParam[strtolower($n)])) {
+ // keep token, don't do anything to it
+ // (could possibly check for duplicates here)
+ // Note: In principle, parameters should be case sensitive.
+ // But it seems they are not really; so accept any case.
+ } else {
+ $token = false;
+ }
+ } else {
+ // not directly inside an object, DENY!
+ $token = false;
+ }
+ }
+ }
+
+ public function handleEnd(&$token)
+ {
+ // This is the WRONG way of handling the object and param stacks;
+ // we should be inserting them directly on the relevant object tokens
+ // so that the global stack handling handles it.
+ if ($token->name == 'object') {
+ array_pop($this->objectStack);
+ array_pop($this->paramStack);
+ }
+ }
+}
+
+// vim: et sw=4 sts=4