675 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			675 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| /**
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|  * @file src/Content/Text/HTML.php
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|  */
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| 
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| namespace Friendica\Content\Text;
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| 
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| use DOMDocument;
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| use DOMXPath;
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| use Friendica\Core\Addon;
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| use Friendica\Util\Network;
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| use Friendica\Util\XML;
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| 
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| class HTML
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| {
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| 	public static function sanitizeCSS($input)
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| 	{
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| 		$cleaned = "";
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| 
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| 		$input = strtolower($input);
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| 
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| 		for ($i = 0; $i < strlen($input); $i++) {
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| 			$char = substr($input, $i, 1);
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| 
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| 			if (($char >= "a") && ($char <= "z")) {
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| 				$cleaned .= $char;
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| 			}
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| 
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| 			if (!(strpos(" #;:0123456789-_.%", $char) === false)) {
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| 				$cleaned .= $char;
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| 			}
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| 		}
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| 
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| 		return $cleaned;
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| 	}
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| 
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| 	private static function tagToBBCode(DOMDocument $doc, $tag, $attributes, $startbb, $endbb)
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| 	{
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| 		do {
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| 			$done = self::tagToBBCodeSub($doc, $tag, $attributes, $startbb, $endbb);
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| 		} while ($done);
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| 	}
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| 
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| 	private static function tagToBBCodeSub(DOMDocument $doc, $tag, $attributes, $startbb, $endbb)
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| 	{
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| 		$savestart = str_replace('$', '\x01', $startbb);
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| 		$replace = false;
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| 
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| 		$xpath = new DOMXPath($doc);
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| 
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| 		$list = $xpath->query("//" . $tag);
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| 		foreach ($list as $node) {
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| 			$attr = [];
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| 			if ($node->attributes->length) {
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| 				foreach ($node->attributes as $attribute) {
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| 					$attr[$attribute->name] = $attribute->value;
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| 				}
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| 			}
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| 
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| 			$replace = true;
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| 
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| 			$startbb = $savestart;
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| 
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| 			$i = 0;
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| 
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| 			foreach ($attributes as $attribute => $value) {
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| 				$startbb = str_replace('\x01' . ++$i, '$1', $startbb);
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| 				if (strpos('*' . $startbb, '$1') > 0) {
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| 					if ($replace && (@$attr[$attribute] != '')) {
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| 						$startbb = preg_replace($value, $startbb, $attr[$attribute], -1, $count);
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| 
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| 						// If nothing could be changed
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| 						if ($count == 0) {
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| 							$replace = false;
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| 						}
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| 					} else {
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| 						$replace = false;
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| 					}
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| 				} else {
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| 					if (@$attr[$attribute] != $value) {
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| 						$replace = false;
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| 					}
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| 				}
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| 			}
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| 
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| 			if ($replace) {
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| 				$StartCode = $doc->createTextNode($startbb);
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| 				$EndCode = $doc->createTextNode($endbb);
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| 
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| 				$node->parentNode->insertBefore($StartCode, $node);
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| 
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| 				if ($node->hasChildNodes()) {
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| 					foreach ($node->childNodes as $child) {
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| 						$newNode = $child->cloneNode(true);
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| 						$node->parentNode->insertBefore($newNode, $node);
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| 					}
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| 				}
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| 
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| 				$node->parentNode->insertBefore($EndCode, $node);
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| 				$node->parentNode->removeChild($node);
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| 			}
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| 		}
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| 
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| 		return $replace;
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| 	}
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| 
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| 	/**
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| 	 * Made by: ike@piratenpartei.de
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| 	 * Originally made for the syncom project: http://wiki.piratenpartei.de/Syncom
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| 	 * 					https://github.com/annando/Syncom
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| 	 *
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| 	 * @brief Converter for HTML to BBCode
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| 	 * @param string $message
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| 	 * @param string $basepath
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| 	 * @return string
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| 	 */
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| 	public static function toBBCode($message, $basepath = '')
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| 	{
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| 		$message = str_replace("\r", "", $message);
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| 
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| 		// Removing code blocks before the whitespace removal processing below
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| 		$codeblocks = [];
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| 		$message = preg_replace_callback(
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| 			'#<pre><code(?: class="language-([^"]*)")?>(.*)</code></pre>#iUs',
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| 			function ($matches) use (&$codeblocks) {
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| 				$return = '[codeblock-' . count($codeblocks) . ']';
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| 
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| 				$prefix = '[code]';
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| 				if ($matches[1] != '') {
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| 					$prefix = '[code=' . $matches[1] . ']';
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| 				}
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| 
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| 				$codeblocks[] = $prefix . PHP_EOL . trim($matches[2]) . PHP_EOL . '[/code]';
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| 				return $return;
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| 			},
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| 			$message
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| 		);
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| 
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| 		$message = str_replace(
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| 			[
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| 			"<li><p>",
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| 			"</p></li>",
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| 			], [
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| 			"<li>",
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| 			"</li>",
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| 			], $message
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| 		);
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| 
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| 		// remove namespaces
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| 		$message = preg_replace('=<(\w+):(.+?)>=', '<removeme>', $message);
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| 		$message = preg_replace('=</(\w+):(.+?)>=', '</removeme>', $message);
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| 
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| 		$doc = new DOMDocument();
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| 		$doc->preserveWhiteSpace = false;
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| 
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| 		$message = mb_convert_encoding($message, 'HTML-ENTITIES', "UTF-8");
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| 
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| 		@$doc->loadHTML($message);
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| 
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| 		XML::deleteNode($doc, 'style');
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| 		XML::deleteNode($doc, 'head');
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| 		XML::deleteNode($doc, 'title');
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| 		XML::deleteNode($doc, 'meta');
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| 		XML::deleteNode($doc, 'xml');
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| 		XML::deleteNode($doc, 'removeme');
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| 
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| 		$xpath = new DomXPath($doc);
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| 		$list = $xpath->query("//pre");
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| 		foreach ($list as $node) {
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| 			$node->nodeValue = str_replace("\n", "\r", $node->nodeValue);
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| 		}
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| 
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| 		$message = $doc->saveHTML();
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| 		$message = str_replace(["\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"], ["<", ">", "<br />", " ", ""], $message);
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| 		$message = preg_replace('= [\s]*=i', " ", $message);
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| 		@$doc->loadHTML($message);
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| 
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| 		self::tagToBBCode($doc, 'html', [], "", "");
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| 		self::tagToBBCode($doc, 'body', [], "", "");
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| 
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| 		// Outlook-Quote - Variant 1
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| 		self::tagToBBCode($doc, 'p', ['class' => 'MsoNormal', 'style' => 'margin-left:35.4pt'], '[quote]', '[/quote]');
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| 
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| 		// Outlook-Quote - Variant 2
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| 		self::tagToBBCode($doc, 'div', ['style' => 'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'],
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| 			'[quote]', '[/quote]');
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| 
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| 		// MyBB-Stuff
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| 		self::tagToBBCode($doc, 'span', ['style' => 'text-decoration: underline;'], '[u]', '[/u]');
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| 		self::tagToBBCode($doc, 'span', ['style' => 'font-style: italic;'], '[i]', '[/i]');
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| 		self::tagToBBCode($doc, 'span', ['style' => 'font-weight: bold;'], '[b]', '[/b]');
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| 
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| 		/* self::node2BBCode($doc, 'font', array('face'=>'/([\w ]+)/', 'size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[font=$1][size=$2][color=$3]', '[/color][/size][/font]');
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| 		  self::node2BBCode($doc, 'font', array('size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[size=$1][color=$2]', '[/color][/size]');
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| 		  self::node2BBCode($doc, 'font', array('face'=>'/([\w ]+)/', 'size'=>'/(.+)/'), '[font=$1][size=$2]', '[/size][/font]');
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| 		  self::node2BBCode($doc, 'font', array('face'=>'/([\w ]+)/', 'color'=>'/(.+)/'), '[font=$1][color=$3]', '[/color][/font]');
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| 		  self::node2BBCode($doc, 'font', array('face'=>'/([\w ]+)/'), '[font=$1]', '[/font]');
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| 		  self::node2BBCode($doc, 'font', array('size'=>'/(\d+)/'), '[size=$1]', '[/size]');
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| 		  self::node2BBCode($doc, 'font', array('color'=>'/(.+)/'), '[color=$1]', '[/color]');
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| 		 */
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| 		// Untested
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| 		//self::node2BBCode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*font-family:\s*(.+?)[,;].*color:\s*(.+?)[,;].*/'), '[size=$1][font=$2][color=$3]', '[/color][/font][/size]');
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| 		//self::node2BBCode($doc, 'span', array('style'=>'/.*font-size:\s*(\d+)[,;].*/'), '[size=$1]', '[/size]');
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| 		//self::node2BBCode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*/'), '[size=$1]', '[/size]');
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| 
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| 		self::tagToBBCode($doc, 'span', ['style' => '/.*color:\s*(.+?)[,;].*/'], '[color="$1"]', '[/color]');
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| 
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| 		//self::node2BBCode($doc, 'span', array('style'=>'/.*font-family:\s*(.+?)[,;].*/'), '[font=$1]', '[/font]');
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| 		//self::node2BBCode($doc, 'div', array('style'=>'/.*font-family:\s*(.+?)[,;].*font-size:\s*(\d+?)pt.*/'), '[font=$1][size=$2]', '[/size][/font]');
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| 		//self::node2BBCode($doc, 'div', array('style'=>'/.*font-family:\s*(.+?)[,;].*font-size:\s*(\d+?)px.*/'), '[font=$1][size=$2]', '[/size][/font]');
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| 		//self::node2BBCode($doc, 'div', array('style'=>'/.*font-family:\s*(.+?)[,;].*/'), '[font=$1]', '[/font]');
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| 		// Importing the classes - interesting for importing of posts from third party networks that were exported from friendica
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| 		// Test
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| 		//self::node2BBCode($doc, 'span', array('class'=>'/([\w ]+)/'), '[class=$1]', '[/class]');
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| 		self::tagToBBCode($doc, 'span', ['class' => 'type-link'], '[class=type-link]', '[/class]');
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| 		self::tagToBBCode($doc, 'span', ['class' => 'type-video'], '[class=type-video]', '[/class]');
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| 
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| 		self::tagToBBCode($doc, 'strong', [], '[b]', '[/b]');
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| 		self::tagToBBCode($doc, 'em', [], '[i]', '[/i]');
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| 		self::tagToBBCode($doc, 'b', [], '[b]', '[/b]');
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| 		self::tagToBBCode($doc, 'i', [], '[i]', '[/i]');
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| 		self::tagToBBCode($doc, 'u', [], '[u]', '[/u]');
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| 		self::tagToBBCode($doc, 's', [], '[s]', '[/s]');
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| 		self::tagToBBCode($doc, 'del', [], '[s]', '[/s]');
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| 		self::tagToBBCode($doc, 'strike', [], '[s]', '[/s]');
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| 
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| 		self::tagToBBCode($doc, 'big', [], "[size=large]", "[/size]");
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| 		self::tagToBBCode($doc, 'small', [], "[size=small]", "[/size]");
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| 
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| 		self::tagToBBCode($doc, 'blockquote', [], '[quote]', '[/quote]');
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| 
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| 		self::tagToBBCode($doc, 'br', [], "\n", '');
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| 
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| 		self::tagToBBCode($doc, 'p', ['class' => 'MsoNormal'], "\n", "");
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| 		self::tagToBBCode($doc, 'div', ['class' => 'MsoNormal'], "\r", "");
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| 
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| 		self::tagToBBCode($doc, 'span', [], "", "");
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| 
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| 		self::tagToBBCode($doc, 'span', [], "", "");
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| 		self::tagToBBCode($doc, 'pre', [], "", "");
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| 
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| 		self::tagToBBCode($doc, 'div', [], "\r", "\r");
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| 		self::tagToBBCode($doc, 'p', [], "\n", "\n");
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| 
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| 		self::tagToBBCode($doc, 'ul', [], "[list]", "[/list]");
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| 		self::tagToBBCode($doc, 'ol', [], "[list=1]", "[/list]");
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| 		self::tagToBBCode($doc, 'li', [], "[*]", "");
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| 
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| 		self::tagToBBCode($doc, 'hr', [], "[hr]", "");
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| 
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| 		self::tagToBBCode($doc, 'table', [], "", "");
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| 		self::tagToBBCode($doc, 'tr', [], "\n", "");
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| 		self::tagToBBCode($doc, 'td', [], "\t", "");
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| 		//self::node2BBCode($doc, 'table', array(), "[table]", "[/table]");
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| 		//self::node2BBCode($doc, 'th', array(), "[th]", "[/th]");
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| 		//self::node2BBCode($doc, 'tr', array(), "[tr]", "[/tr]");
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| 		//self::node2BBCode($doc, 'td', array(), "[td]", "[/td]");
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| 		//self::node2BBCode($doc, 'h1', array(), "\n\n[size=xx-large][b]", "[/b][/size]\n");
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| 		//self::node2BBCode($doc, 'h2', array(), "\n\n[size=x-large][b]", "[/b][/size]\n");
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| 		//self::node2BBCode($doc, 'h3', array(), "\n\n[size=large][b]", "[/b][/size]\n");
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| 		//self::node2BBCode($doc, 'h4', array(), "\n\n[size=medium][b]", "[/b][/size]\n");
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| 		//self::node2BBCode($doc, 'h5', array(), "\n\n[size=small][b]", "[/b][/size]\n");
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| 		//self::node2BBCode($doc, 'h6', array(), "\n\n[size=x-small][b]", "[/b][/size]\n");
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| 
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| 		self::tagToBBCode($doc, 'h1', [], "[h1]", "[/h1]");
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| 		self::tagToBBCode($doc, 'h2', [], "[h2]", "[/h2]");
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| 		self::tagToBBCode($doc, 'h3', [], "[h3]", "[/h3]");
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| 		self::tagToBBCode($doc, 'h4', [], "[h4]", "[/h4]");
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| 		self::tagToBBCode($doc, 'h5', [], "[h5]", "[/h5]");
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| 		self::tagToBBCode($doc, 'h6', [], "[h6]", "[/h6]");
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| 
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| 		self::tagToBBCode($doc, 'a', ['href' => '/mailto:(.+)/'], '[mail=$1]', '[/mail]');
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| 		self::tagToBBCode($doc, 'a', ['href' => '/(.+)/'], '[url=$1]', '[/url]');
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| 
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| 		self::tagToBBCode($doc, 'img', ['src' => '/(.+)/', 'width' => '/(\d+)/', 'height' => '/(\d+)/'], '[img=$2x$3]$1',
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| 			'[/img]');
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| 		self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], '[img]$1', '[/img]');
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| 
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| 
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| 		self::tagToBBCode($doc, 'video', ['src' => '/(.+)/'], '[video]$1', '[/video]');
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| 		self::tagToBBCode($doc, 'audio', ['src' => '/(.+)/'], '[audio]$1', '[/audio]');
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| 		self::tagToBBCode($doc, 'iframe', ['src' => '/(.+)/'], '[iframe]$1', '[/iframe]');
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| 
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| 		self::tagToBBCode($doc, 'key', [], '[code]', '[/code]');
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| 		self::tagToBBCode($doc, 'code', [], '[code]', '[/code]');
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| 
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| 		$message = $doc->saveHTML();
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| 
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| 		// I'm removing something really disturbing
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| 		// Don't know exactly what it is
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| 		$message = str_replace(chr(194) . chr(160), ' ', $message);
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| 
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| 		$message = str_replace(" ", " ", $message);
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| 
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| 		// removing multiple DIVs
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| 		$message = preg_replace('=\r *\r=i', "\n", $message);
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| 		$message = str_replace("\r", "\n", $message);
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| 
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| 		Addon::callHooks('html2bbcode', $message);
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| 
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| 		$message = strip_tags($message);
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| 
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| 		$message = html_entity_decode($message, ENT_QUOTES, 'UTF-8');
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| 
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| 		$message = str_replace(["<"], ["<"], $message);
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| 
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| 		// remove quotes if they don't make sense
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| 		$message = preg_replace('=\[/quote\][\s]*\[quote\]=i', "\n", $message);
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| 
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| 		$message = preg_replace('=\[quote\]\s*=i', "[quote]", $message);
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| 		$message = preg_replace('=\s*\[/quote\]=i', "[/quote]", $message);
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| 
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| 		do {
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| 			$oldmessage = $message;
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| 			$message = str_replace("\n \n", "\n\n", $message);
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| 		} while ($oldmessage != $message);
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| 
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| 		do {
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| 			$oldmessage = $message;
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| 			$message = str_replace("\n\n\n", "\n\n", $message);
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| 		} while ($oldmessage != $message);
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| 
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| 		do {
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| 			$oldmessage = $message;
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| 			$message = str_replace(
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| 				[
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| 				"[/size]\n\n",
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| 				"\n[hr]",
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| 				"[hr]\n",
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| 				"\n[list",
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| 				"[/list]\n",
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| 				"\n[/",
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| 				"[list]\n",
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| 				"[list=1]\n",
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| 				"\n[*]"],
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| 				[
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| 				"[/size]\n",
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| 				"[hr]",
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| 				"[hr]",
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| 				"[list",
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| 				"[/list]",
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| 				"[/",
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| 				"[list]",
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| 				"[list=1]",
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| 				"[*]"], $message
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| 			);
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| 		} while ($message != $oldmessage);
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| 
 | |
| 		$message = str_replace(
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| 			['[b][b]', '[/b][/b]', '[i][i]', '[/i][/i]'], ['[b]', '[/b]', '[i]', '[/i]'], $message
 | |
| 		);
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| 
 | |
| 		// Handling Yahoo style of mails
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| 		$message = str_replace('[hr][b]From:[/b]', '[quote][b]From:[/b]', $message);
 | |
| 
 | |
| 		// Restore code blocks
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| 		$message = preg_replace_callback(
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| 			'#\[codeblock-([0-9]+)\]#iU',
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| 			function ($matches) use ($codeblocks) {
 | |
| 				$return = '';
 | |
| 				if (isset($codeblocks[intval($matches[1])])) {
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| 					$return = $codeblocks[$matches[1]];
 | |
| 				}
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| 				return $return;
 | |
| 			},
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| 			$message
 | |
| 		);
 | |
| 
 | |
| 		$message = trim($message);
 | |
| 
 | |
| 		if ($basepath != '') {
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| 			$message = self::qualifyURLs($message, $basepath);
 | |
| 		}
 | |
| 
 | |
| 		return $message;
 | |
| 	}
 | |
| 
 | |
| 	/**
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| 	 * @brief Sub function to complete incomplete URL
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| 	 *
 | |
| 	 * @param array  $matches  Result of preg_replace_callback
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| 	 * @param string $basepath Basepath that is used to complete the URL
 | |
| 	 *
 | |
| 	 * @return string The expanded URL
 | |
| 	 */
 | |
| 	private static function qualifyURLsSub($matches, $basepath)
 | |
| 	{
 | |
| 		$base = parse_url($basepath);
 | |
| 		unset($base['query']);
 | |
| 		unset($base['fragment']);
 | |
| 
 | |
| 		$link = $matches[0];
 | |
| 		$url = $matches[1];
 | |
| 
 | |
| 		$parts = array_merge($base, parse_url($url));
 | |
| 		$url2 = Network::unparseURL($parts);
 | |
| 
 | |
| 		return str_replace($url, $url2, $link);
 | |
| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * @brief Complete incomplete URLs in BBCode
 | |
| 	 *
 | |
| 	 * @param string $body     Body with URLs
 | |
| 	 * @param string $basepath Base path that is used to complete the URL
 | |
| 	 *
 | |
| 	 * @return string Body with expanded URLs
 | |
| 	 */
 | |
| 	private static function qualifyURLs($body, $basepath)
 | |
| 	{
 | |
| 		$URLSearchString = "^\[\]";
 | |
| 
 | |
| 		$matches = ["/\[url\=([$URLSearchString]*)\].*?\[\/url\]/ism",
 | |
| 			"/\[url\]([$URLSearchString]*)\[\/url\]/ism",
 | |
| 			"/\[img\=[0-9]*x[0-9]*\](.*?)\[\/img\]/ism",
 | |
| 			"/\[img\](.*?)\[\/img\]/ism",
 | |
| 			"/\[zmg\=[0-9]*x[0-9]*\](.*?)\[\/img\]/ism",
 | |
| 			"/\[zmg\](.*?)\[\/zmg\]/ism",
 | |
| 			"/\[video\](.*?)\[\/video\]/ism",
 | |
| 			"/\[audio\](.*?)\[\/audio\]/ism",
 | |
| 		];
 | |
| 
 | |
| 		foreach ($matches as $match) {
 | |
| 			$body = preg_replace_callback(
 | |
| 				$match, function ($match) use ($basepath) {
 | |
| 					return self::qualifyURLsSub($match, $basepath);
 | |
| 				},
 | |
| 				$body
 | |
| 			);
 | |
| 		}
 | |
| 		return $body;
 | |
| 	}
 | |
| 
 | |
| 	private static function breakLines($line, $level, $wraplength = 75)
 | |
| 	{
 | |
| 		if ($wraplength == 0) {
 | |
| 			$wraplength = 2000000;
 | |
| 		}
 | |
| 
 | |
| 		$wraplen = $wraplength - $level;
 | |
| 
 | |
| 		$newlines = [];
 | |
| 
 | |
| 		do {
 | |
| 			$oldline = $line;
 | |
| 
 | |
| 			$subline = substr($line, 0, $wraplen);
 | |
| 
 | |
| 			$pos = strrpos($subline, ' ');
 | |
| 
 | |
| 			if ($pos == 0) {
 | |
| 				$pos = strpos($line, ' ');
 | |
| 			}
 | |
| 
 | |
| 			if (($pos > 0) && strlen($line) > $wraplen) {
 | |
| 				$newline = trim(substr($line, 0, $pos));
 | |
| 				if ($level > 0) {
 | |
| 					$newline = str_repeat(">", $level) . ' ' . $newline;
 | |
| 				}
 | |
| 
 | |
| 				$newlines[] = $newline . " ";
 | |
| 				$line = substr($line, $pos + 1);
 | |
| 			}
 | |
| 		} while ((strlen($line) > $wraplen) && !($oldline == $line));
 | |
| 
 | |
| 		if ($level > 0) {
 | |
| 			$line = str_repeat(">", $level) . ' ' . $line;
 | |
| 		}
 | |
| 
 | |
| 		$newlines[] = $line;
 | |
| 
 | |
| 		return implode($newlines, "\n");
 | |
| 	}
 | |
| 
 | |
| 	private static function quoteLevel($message, $wraplength = 75)
 | |
| 	{
 | |
| 		$lines = explode("\n", $message);
 | |
| 
 | |
| 		$newlines = [];
 | |
| 		$level = 0;
 | |
| 		foreach ($lines as $line) {
 | |
| 			$line = trim($line);
 | |
| 			$startquote = false;
 | |
| 			while (strpos("*" . $line, '[quote]') > 0) {
 | |
| 				$level++;
 | |
| 				$pos = strpos($line, '[quote]');
 | |
| 				$line = substr($line, 0, $pos) . substr($line, $pos + 7);
 | |
| 				$startquote = true;
 | |
| 			}
 | |
| 
 | |
| 			$currlevel = $level;
 | |
| 
 | |
| 			while (strpos("*" . $line, '[/quote]') > 0) {
 | |
| 				$level--;
 | |
| 				if ($level < 0) {
 | |
| 					$level = 0;
 | |
| 				}
 | |
| 
 | |
| 				$pos = strpos($line, '[/quote]');
 | |
| 				$line = substr($line, 0, $pos) . substr($line, $pos + 8);
 | |
| 			}
 | |
| 
 | |
| 			if (!$startquote || ($line != '')) {
 | |
| 				$newlines[] = self::breakLines($line, $currlevel, $wraplength);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		return implode($newlines, "\n");
 | |
| 	}
 | |
| 
 | |
| 	private static function collectURLs($message)
 | |
| 	{
 | |
| 		$pattern = '/<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
 | |
| 		preg_match_all($pattern, $message, $result, PREG_SET_ORDER);
 | |
| 
 | |
| 		$urls = [];
 | |
| 		foreach ($result as $treffer) {
 | |
| 			$ignore = false;
 | |
| 
 | |
| 			// A list of some links that should be ignored
 | |
| 			$list = ["/user/", "/tag/", "/group/", "/profile/", "/search?search=", "/search?tag=", "mailto:", "/u/", "/node/",
 | |
| 				"//plus.google.com/", "//twitter.com/"];
 | |
| 			foreach ($list as $listitem) {
 | |
| 				if (strpos($treffer[1], $listitem) !== false) {
 | |
| 					$ignore = true;
 | |
| 				}
 | |
| 			}
 | |
| 
 | |
| 			if ((strpos($treffer[1], "//twitter.com/") !== false) && (strpos($treffer[1], "/status/") !== false)) {
 | |
| 				$ignore = false;
 | |
| 			}
 | |
| 
 | |
| 			if ((strpos($treffer[1], "//plus.google.com/") !== false) && (strpos($treffer[1], "/posts") !== false)) {
 | |
| 				$ignore = false;
 | |
| 			}
 | |
| 
 | |
| 			if ((strpos($treffer[1], "//plus.google.com/") !== false) && (strpos($treffer[1], "/photos") !== false)) {
 | |
| 				$ignore = false;
 | |
| 			}
 | |
| 
 | |
| 			if (!$ignore) {
 | |
| 				$urls[$treffer[1]] = $treffer[1];
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		return $urls;
 | |
| 	}
 | |
| 
 | |
| 	public static function toPlaintext($html, $wraplength = 75, $compact = false)
 | |
| 	{
 | |
| 		$message = str_replace("\r", "", $html);
 | |
| 
 | |
| 		$doc = new DOMDocument();
 | |
| 		$doc->preserveWhiteSpace = false;
 | |
| 
 | |
| 		$message = mb_convert_encoding($message, 'HTML-ENTITIES', "UTF-8");
 | |
| 
 | |
| 		@$doc->loadHTML($message);
 | |
| 
 | |
| 		$xpath = new DOMXPath($doc);
 | |
| 		$list = $xpath->query("//pre");
 | |
| 		foreach ($list as $node) {
 | |
| 			$node->nodeValue = str_replace("\n", "\r", $node->nodeValue);
 | |
| 		}
 | |
| 
 | |
| 		$message = $doc->saveHTML();
 | |
| 		$message = str_replace(["\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"], ["<", ">", "<br>", " ", ""], $message);
 | |
| 		$message = preg_replace('= [\s]*=i', " ", $message);
 | |
| 
 | |
| 		// Collecting all links
 | |
| 		$urls = self::collectURLs($message);
 | |
| 
 | |
| 		@$doc->loadHTML($message);
 | |
| 
 | |
| 		self::tagToBBCode($doc, 'html', [], '', '');
 | |
| 		self::tagToBBCode($doc, 'body', [], '', '');
 | |
| 
 | |
| 		// MyBB-Auszeichnungen
 | |
| 		/*
 | |
| 		  self::node2BBCode($doc, 'span', array('style'=>'text-decoration: underline;'), '_', '_');
 | |
| 		  self::node2BBCode($doc, 'span', array('style'=>'font-style: italic;'), '/', '/');
 | |
| 		  self::node2BBCode($doc, 'span', array('style'=>'font-weight: bold;'), '*', '*');
 | |
| 
 | |
| 		  self::node2BBCode($doc, 'strong', array(), '*', '*');
 | |
| 		  self::node2BBCode($doc, 'b', array(), '*', '*');
 | |
| 		  self::node2BBCode($doc, 'i', array(), '/', '/');
 | |
| 		  self::node2BBCode($doc, 'u', array(), '_', '_');
 | |
| 		 */
 | |
| 
 | |
| 		if ($compact) {
 | |
| 			self::tagToBBCode($doc, 'blockquote', [], "»", "«");
 | |
| 		} else {
 | |
| 			self::tagToBBCode($doc, 'blockquote', [], '[quote]', "[/quote]\n");
 | |
| 		}
 | |
| 
 | |
| 		self::tagToBBCode($doc, 'br', [], "\n", '');
 | |
| 
 | |
| 		self::tagToBBCode($doc, 'span', [], "", "");
 | |
| 		self::tagToBBCode($doc, 'pre', [], "", "");
 | |
| 		self::tagToBBCode($doc, 'div', [], "\r", "\r");
 | |
| 		self::tagToBBCode($doc, 'p', [], "\n", "\n");
 | |
| 
 | |
| 		//self::node2BBCode($doc, 'ul', array(), "\n[list]", "[/list]\n");
 | |
| 		//self::node2BBCode($doc, 'ol', array(), "\n[list=1]", "[/list]\n");
 | |
| 		self::tagToBBCode($doc, 'li', [], "\n* ", "\n");
 | |
| 
 | |
| 		self::tagToBBCode($doc, 'hr', [], "\n" . str_repeat("-", 70) . "\n", "");
 | |
| 
 | |
| 		self::tagToBBCode($doc, 'tr', [], "\n", "");
 | |
| 		self::tagToBBCode($doc, 'td', [], "\t", "");
 | |
| 
 | |
| 		self::tagToBBCode($doc, 'h1', [], "\n\n*", "*\n");
 | |
| 		self::tagToBBCode($doc, 'h2', [], "\n\n*", "*\n");
 | |
| 		self::tagToBBCode($doc, 'h3', [], "\n\n*", "*\n");
 | |
| 		self::tagToBBCode($doc, 'h4', [], "\n\n*", "*\n");
 | |
| 		self::tagToBBCode($doc, 'h5', [], "\n\n*", "*\n");
 | |
| 		self::tagToBBCode($doc, 'h6', [], "\n\n*", "*\n");
 | |
| 
 | |
| 		// Problem: there is no reliable way to detect if it is a link to a tag or profile
 | |
| 		//self::node2BBCode($doc, 'a', array('href'=>'/(.+)/'), ' $1 ', ' ', true);
 | |
| 		//self::node2BBCode($doc, 'a', array('href'=>'/(.+)/', 'rel'=>'oembed'), ' $1 ', '', true);
 | |
| 		//self::node2BBCode($doc, 'img', array('alt'=>'/(.+)/'), '$1', '');
 | |
| 		//self::node2BBCode($doc, 'img', array('title'=>'/(.+)/'), '$1', '');
 | |
| 		//self::node2BBCode($doc, 'img', array(), '', '');
 | |
| 		if (!$compact) {
 | |
| 			self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], ' [img]$1', '[/img] ');
 | |
| 		} else {
 | |
| 			self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], ' ', ' ');
 | |
| 		}
 | |
| 
 | |
| 		self::tagToBBCode($doc, 'iframe', ['src' => '/(.+)/'], ' $1 ', '');
 | |
| 
 | |
| 		$message = $doc->saveHTML();
 | |
| 
 | |
| 		if (!$compact) {
 | |
| 			$message = str_replace("[img]", "", $message);
 | |
| 			$message = str_replace("[/img]", "", $message);
 | |
| 		}
 | |
| 
 | |
| 		// was ersetze ich da?
 | |
| 		// Irgendein stoerrisches UTF-Zeug
 | |
| 		$message = str_replace(chr(194) . chr(160), ' ', $message);
 | |
| 
 | |
| 		$message = str_replace(" ", " ", $message);
 | |
| 
 | |
| 		// Aufeinanderfolgende DIVs
 | |
| 		$message = preg_replace('=\r *\r=i', "\n", $message);
 | |
| 		$message = str_replace("\r", "\n", $message);
 | |
| 
 | |
| 		$message = strip_tags($message);
 | |
| 
 | |
| 		$message = html_entity_decode($message, ENT_QUOTES, 'UTF-8');
 | |
| 
 | |
| 		if (!$compact && ($message != '')) {
 | |
| 			foreach ($urls as $id => $url) {
 | |
| 				if ($url != '' && strpos($message, $url) === false) {
 | |
| 					$message .= "\n" . $url . ' ';
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		$message = str_replace("\n«", "«\n", $message);
 | |
| 		$message = str_replace("»\n", "\n»", $message);
 | |
| 
 | |
| 		do {
 | |
| 			$oldmessage = $message;
 | |
| 			$message = str_replace("\n\n\n", "\n\n", $message);
 | |
| 		} while ($oldmessage != $message);
 | |
| 
 | |
| 		$message = self::quoteLevel(trim($message), $wraplength);
 | |
| 
 | |
| 		return trim($message);
 | |
| 	}
 | |
| }
 |