| | |
| | | 'type', 'rows', 'cols', 'disabled', 'readonly', 'checked', 'multiple', 'value' |
| | | ); |
| | | |
| | | /* Block elements which could be empty but cannot be returned in short form (<tag />) */ |
| | | static $block_elements = array('div', 'p', 'pre', 'blockquote', 'a', 'font', 'center', |
| | | 'table', 'ul', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol', 'dl', 'strong', |
| | | 'i', 'b', 'u', 'span', |
| | | /* Elements which could be empty and be returned in short form (<tag />) */ |
| | | static $void_elements = array('area', 'base', 'br', 'col', 'command', 'embed', 'hr', |
| | | 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr' |
| | | ); |
| | | |
| | | /* State for linked objects in HTML */ |
| | |
| | | /* Ignore these HTML tags but process their content */ |
| | | private $_ignore_elements = array(); |
| | | |
| | | /* Block elements which could be empty but cannot be returned in short form (<tag />) */ |
| | | private $_block_elements = array(); |
| | | /* Elements which could be empty and be returned in short form (<tag />) */ |
| | | private $_void_elements = array(); |
| | | |
| | | /* Allowed HTML attributes */ |
| | | private $_html_attribs = array(); |
| | | |
| | | /* Max nesting level */ |
| | | private $max_nesting_level; |
| | | |
| | | |
| | | /** |
| | |
| | | $this->_html_elements = array_flip((array)$p['html_elements']) + array_flip(self::$html_elements) ; |
| | | $this->_html_attribs = array_flip((array)$p['html_attribs']) + array_flip(self::$html_attribs); |
| | | $this->_ignore_elements = array_flip((array)$p['ignore_elements']) + array_flip(self::$ignore_elements); |
| | | $this->_block_elements = array_flip((array)$p['block_elements']) + array_flip(self::$block_elements); |
| | | $this->_void_elements = array_flip((array)$p['void_elements']) + array_flip(self::$void_elements); |
| | | |
| | | unset($p['html_elements'], $p['html_attribs'], $p['ignore_elements'], $p['block_elements']); |
| | | unset($p['html_elements'], $p['html_attribs'], $p['ignore_elements'], $p['void_elements']); |
| | | |
| | | $this->config = $p + array('show_washed' => true, 'allow_remote' => false, 'cid_map' => array()); |
| | | } |
| | |
| | | * It output only allowed tags with allowed attributes |
| | | * and allowed inline styles |
| | | */ |
| | | private function dumpHtml($node) |
| | | private function dumpHtml($node, $level = 0) |
| | | { |
| | | if (!$node->hasChildNodes()) { |
| | | return ''; |
| | | } |
| | | |
| | | $level++; |
| | | |
| | | if ($this->max_nesting_level > 0 && $level == $this->max_nesting_level - 1) { |
| | | // log error message once |
| | | if (!$this->max_nesting_level_error) { |
| | | $this->max_nesting_level_error = true; |
| | | rcube::raise_error(array('code' => 500, 'type' => 'php', |
| | | 'line' => __LINE__, 'file' => __FILE__, |
| | | 'message' => "Maximum nesting level exceeded (xdebug.max_nesting_level={$this->max_nesting_level})"), |
| | | true, false); |
| | | } |
| | | return '<!-- ignored -->'; |
| | | } |
| | | |
| | | $node = $node->firstChild; |
| | |
| | | $tagName = strtolower($node->tagName); |
| | | if ($callback = $this->handlers[$tagName]) { |
| | | $dump .= call_user_func($callback, $tagName, |
| | | $this->wash_attribs($node), $this->dumpHtml($node), $this); |
| | | $this->wash_attribs($node), $this->dumpHtml($node, $level), $this); |
| | | } |
| | | else if (isset($this->_html_elements[$tagName])) { |
| | | $content = $this->dumpHtml($node); |
| | | $content = $this->dumpHtml($node, $level); |
| | | $dump .= '<' . $tagName . $this->wash_attribs($node) . |
| | | ($content != '' || isset($this->_block_elements[$tagName]) ? ">$content</$tagName>" : ' />'); |
| | | ($content === '' && isset($this->_void_elements[$tagName]) ? ' />' : ">$content</$tagName>"); |
| | | } |
| | | else if (isset($this->_ignore_elements[$tagName])) { |
| | | $dump .= '<!-- ' . htmlspecialchars($tagName, ENT_QUOTES) . ' not allowed -->'; |
| | | } |
| | | else { |
| | | $dump .= '<!-- ' . htmlspecialchars($tagName, ENT_QUOTES) . ' ignored -->'; |
| | | $dump .= $this->dumpHtml($node); // ignore tags not its content |
| | | $dump .= $this->dumpHtml($node, $level); // ignore tags not its content |
| | | } |
| | | break; |
| | | |
| | |
| | | break; |
| | | |
| | | case XML_HTML_DOCUMENT_NODE: |
| | | $dump .= $this->dumpHtml($node); |
| | | $dump .= $this->dumpHtml($node, $level); |
| | | break; |
| | | |
| | | case XML_DOCUMENT_TYPE_NODE: |
| | | break; |
| | | |
| | | default: |
| | | $dump . '<!-- node type ' . $node->nodeType . ' -->'; |
| | | $dump .= '<!-- node type ' . $node->nodeType . ' -->'; |
| | | } |
| | | } while($node = $node->nextSibling); |
| | | |
| | |
| | | $this->config['base_url'] = ''; |
| | | } |
| | | |
| | | @$node->loadHTML($html); |
| | | // Detect max nesting level (for dumpHTML) (#1489110) |
| | | $this->max_nesting_level = (int) @ini_get('xdebug.max_nesting_level'); |
| | | |
| | | // Use optimizations if supported |
| | | if (version_compare(PHP_VERSION, '5.4.0', '>=')) { |
| | | @$node->loadHTML($html, LIBXML_PARSEHUGE | LIBXML_COMPACT); |
| | | } |
| | | else { |
| | | @$node->loadHTML($html); |
| | | } |
| | | |
| | | return $this->dumpHtml($node); |
| | | } |
| | | |
| | |
| | | ); |
| | | $html = preg_replace($html_search, $html_replace, trim($html)); |
| | | |
| | | //-> Replace all of those weird MS Word quotes and other high characters |
| | | $badwordchars=array( |
| | | "\xe2\x80\x98", // left single quote |
| | | "\xe2\x80\x99", // right single quote |
| | | "\xe2\x80\x9c", // left double quote |
| | | "\xe2\x80\x9d", // right double quote |
| | | "\xe2\x80\x94", // em dash |
| | | "\xe2\x80\xa6" // elipses |
| | | ); |
| | | $fixedwordchars=array( |
| | | "'", |
| | | "'", |
| | | '"', |
| | | '"', |
| | | '—', |
| | | '...' |
| | | ); |
| | | $html = str_replace($badwordchars,$fixedwordchars, $html); |
| | | |
| | | // PCRE errors handling (#1486856), should we use something like for every preg_* use? |
| | | if ($html === null && ($preg_error = preg_last_error()) != PREG_NO_ERROR) { |
| | | $errstr = "Could not clean up HTML message! PCRE Error: $preg_error."; |
| | |
| | | rcube::raise_error(array('code' => 620, 'type' => 'php', |
| | | 'line' => __LINE__, 'file' => __FILE__, |
| | | 'message' => $errstr), true, false); |
| | | |
| | | return ''; |
| | | } |
| | | |
| | | // fix (unknown/malformed) HTML tags before "wash" |
| | | $html = preg_replace_callback('/(<[\/]*)([^\s>]+)/', array($this, 'html_tag_callback'), $html); |
| | | $html = preg_replace_callback('/(<(?!\!)[\/]*)([^\s>]+)/', array($this, 'html_tag_callback'), $html); |
| | | |
| | | // Remove invalid HTML comments (#1487759) |
| | | // Don't remove valid conditional comments |