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@ -74,6 +74,7 @@
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* - added $block_elements
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* - changed $ignore_elements behaviour
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* - added RFC2397 support
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* - base URL support
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*/
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class washtml
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@ -144,8 +145,10 @@ class washtml
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'|#[0-9a-f]{3,6}|[a-z0-9\-]+'.
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')\s*/i', $str, $match)) {
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if ($match[2]) {
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if ($src = $this->config['cid_map'][$match[2]])
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if (($src = $this->config['cid_map'][$match[2]])
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|| ($src = $this->config['cid_map'][$this->config['base_url'].$match[2]])) {
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$value .= ' url('.htmlspecialchars($src, ENT_QUOTES) . ')';
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}
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else if (preg_match('/^(http|https|ftp):.*$/i', $match[2], $url)) {
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if ($this->config['allow_remote'])
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$value .= ' url('.htmlspecialchars($url[0], ENT_QUOTES).')';
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@ -180,7 +183,8 @@ class washtml
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else if ($key == 'style' && ($style = $this->wash_style($value)))
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$t .= ' style="' . $style . '"';
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else if ($key == 'background' || ($key == 'src' && strtolower($node->tagName) == 'img')) { //check tagName anyway
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if ($src = $this->config['cid_map'][$value]) {
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if (($src = $this->config['cid_map'][$value])
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|| ($src = $this->config['cid_map'][$this->config['base_url'].$value])) {
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$t .= ' ' . $key . '="' . htmlspecialchars($src, ENT_QUOTES) . '"';
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}
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else if (preg_match('/^(http|https|ftp):.+/i', $value)) {
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@ -217,13 +221,16 @@ class washtml
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$tagName = strtolower($node->tagName);
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if ($callback = $this->handlers[$tagName]) {
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$dump .= call_user_func($callback, $tagName, $this->wash_attribs($node), $this->dumpHtml($node));
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} else if(isset($this->_html_elements[$tagName])) {
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}
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else if (isset($this->_html_elements[$tagName])) {
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$content = $this->dumpHtml($node);
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$dump .= '<' . $tagName . $this->wash_attribs($node) .
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($content != '' || isset($this->_block_elements[$tagName]) ? ">$content</$tagName>" : ' />');
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} else if(isset($this->_ignore_elements[$tagName])) {
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}
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else if (isset($this->_ignore_elements[$tagName])) {
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$dump .= '<!-- ' . htmlspecialchars($tagName, ENT_QUOTES) . ' not allowed -->';
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} else {
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}
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else {
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$dump .= '<!-- ' . htmlspecialchars($tagName, ENT_QUOTES) . ' ignored -->';
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$dump .= $this->dumpHtml($node); // ignore tags not its content
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}
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@ -249,10 +256,18 @@ class washtml
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/* Main function, give it untrusted HTML, tell it if you allow loading
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* remote images and give it a map to convert "cid:" urls. */
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public function wash($html) {
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public function wash($html)
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{
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// Charset seems to be ignored (probably if defined in the HTML document)
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$node = new DOMDocument('1.0', $this->config['charset']);
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$this->extlinks = false;
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// Find base URL for images
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if (preg_match('/<base\s+href=[\'"]*([^\'"]+)/is', $html, $matches))
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$this->config['base_url'] = $matches[1];
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else
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$this->config['base_url'] = '';
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@$node->loadHTML($html);
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return $this->dumpHtml($node);
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}
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