X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fhtml2bbcode.php;h=2404e42f6bc3045334a8046842322ef74fe859ed;hb=3fbc873ffe47b7eac2883436bb756138b2969b03;hp=d2699460e31a43ace5fdcd60b8dd9f5c6d7b3d4c;hpb=e5fc28bb314f5498248a763f2372592b7f99d3cc;p=friendica.git

diff --git a/include/html2bbcode.php b/include/html2bbcode.php
index d2699460e3..2404e42f6b 100644
--- a/include/html2bbcode.php
+++ b/include/html2bbcode.php
@@ -1,11 +1,15 @@
 <?php
-/*
-html2bbcode.php
-Converter for HTML to BBCode
-Made by: ike@piratenpartei.de
-Originally made for the syncom project: http://wiki.piratenpartei.de/Syncom
-					https://github.com/annando/Syncom
-*/
+/**
+ * @file include/html2bbcode.php
+ * @brief Converter for HTML to BBCode
+ *
+ * Made by: ike@piratenpartei.de
+ * Originally made for the syncom project: http://wiki.piratenpartei.de/Syncom
+ * 					https://github.com/annando/Syncom
+ */
+
+use Friendica\Core\Addon;
+use Friendica\Util\XML;
 
 function node2bbcode(&$doc, $oldnode, $attributes, $startbb, $endbb)
 {
@@ -23,11 +27,12 @@ function node2bbcodesub(&$doc, $oldnode, $attributes, $startbb, $endbb)
 
 	$list = $xpath->query("//".$oldnode);
 	foreach ($list as $oldNode) {
-
-		$attr = array();
-		if ($oldNode->attributes->length)
-			foreach ($oldNode->attributes as $attribute)
+		$attr = [];
+		if ($oldNode->attributes->length) {
+			foreach ($oldNode->attributes as $attribute) {
 				$attr[$attribute->name] = $attribute->value;
+			}
+		}
 
 		$replace = true;
 
@@ -36,23 +41,22 @@ function node2bbcodesub(&$doc, $oldnode, $attributes, $startbb, $endbb)
 		$i = 0;
 
 		foreach ($attributes as $attribute => $value) {
-
 			$startbb = str_replace('\x01'.++$i, '$1', $startbb);
-
 			if (strpos('*'.$startbb, '$1') > 0) {
-
-				if ($replace and (@$attr[$attribute] != '')) {
-
+				if ($replace && (@$attr[$attribute] != '')) {
 					$startbb = preg_replace($value, $startbb, $attr[$attribute], -1, $count);
 
 					// If nothing could be changed
-					if ($count == 0)
+					if ($count == 0) {
 						$replace = false;
-				} else
+					}
+				} else {
 					$replace = false;
+				}
 			} else {
-				if (@$attr[$attribute] != $value)
+				if (@$attr[$attribute] != $value) {
 					$replace = false;
+				}
 			}
 		}
 
@@ -76,27 +80,39 @@ function node2bbcodesub(&$doc, $oldnode, $attributes, $startbb, $endbb)
 	return($replace);
 }
 
-if(!function_exists('deletenode')) {
-function deletenode(&$doc, $node)
-{
-	$xpath = new DomXPath($doc);
-	$list = $xpath->query("//".$node);
-	foreach ($list as $child)
-		$child->parentNode->removeChild($child);
-}}
-
-function html2bbcode($message)
+function html2bbcode($message, $basepath = '')
 {
 
 	$message = str_replace("\r", "", $message);
 
-	$message = str_replace(array(
-					"<li><p>",
-					"</p></li>"),
-				array(
-					"<li>",
-					"</li>"),
-				$message);
+	// Removing code blocks before the whitespace removal processing below
+	$codeblocks = [];
+	$message = preg_replace_callback(
+		'#<pre><code(?: class="([^"]*)")?>(.*)</code></pre>#iUs',
+		function ($matches) use (&$codeblocks) {
+			$return = '[codeblock-' . count($codeblocks) . ']';
+
+			$prefix = '[code]';
+			if ($matches[1] != '') {
+				$prefix = '[code=' . $matches[1] . ']';
+			}
+			$codeblocks[] = $prefix . trim($matches[2]) . '[/code]';
+			return $return;
+		},
+		$message
+	);
+
+	$message = str_replace(
+		[
+			"<li><p>",
+			"</p></li>",
+		],
+		[
+			"<li>",
+			"</li>",
+		],
+		$message
+	);
 
 	// remove namespaces
 	$message = preg_replace('=<(\w+):(.+?)>=', '<removeme>', $message);
@@ -109,36 +125,37 @@ function html2bbcode($message)
 
 	@$doc->loadHTML($message);
 
-	deletenode($doc, 'style');
-	deletenode($doc, 'head');
-	deletenode($doc, 'title');
-	deletenode($doc, 'meta');
-	deletenode($doc, 'xml');
-	deletenode($doc, 'removeme');
+	XML::deleteNode($doc, 'style');
+	XML::deleteNode($doc, 'head');
+	XML::deleteNode($doc, 'title');
+	XML::deleteNode($doc, 'meta');
+	XML::deleteNode($doc, 'xml');
+	XML::deleteNode($doc, 'removeme');
 
 	$xpath = new DomXPath($doc);
 	$list = $xpath->query("//pre");
-	foreach ($list as $node)
+	foreach ($list as $node) {
 		$node->nodeValue = str_replace("\n", "\r", $node->nodeValue);
+	}
 
 	$message = $doc->saveHTML();
-	$message = str_replace(array("\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"), array("<", ">", "<br />", " ", ""), $message);
+	$message = str_replace(["\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"], ["<", ">", "<br />", " ", ""], $message);
 	$message = preg_replace('= [\s]*=i', " ", $message);
 	@$doc->loadHTML($message);
 
-	node2bbcode($doc, 'html', array(), "", "");
-	node2bbcode($doc, 'body', array(), "", "");
+	node2bbcode($doc, 'html', [], "", "");
+	node2bbcode($doc, 'body', [], "", "");
 
 	// Outlook-Quote - Variant 1
-	node2bbcode($doc, 'p', array('class'=>'MsoNormal', 'style'=>'margin-left:35.4pt'), '[quote]', '[/quote]');
+	node2bbcode($doc, 'p', ['class'=>'MsoNormal', 'style'=>'margin-left:35.4pt'], '[quote]', '[/quote]');
 
 	// Outlook-Quote - Variant 2
-	node2bbcode($doc, 'div', array('style'=>'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'), '[quote]', '[/quote]');
+	node2bbcode($doc, 'div', ['style'=>'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'], '[quote]', '[/quote]');
 
 	// MyBB-Stuff
-	node2bbcode($doc, 'span', array('style'=>'text-decoration: underline;'), '[u]', '[/u]');
-	node2bbcode($doc, 'span', array('style'=>'font-style: italic;'), '[i]', '[/i]');
-	node2bbcode($doc, 'span', array('style'=>'font-weight: bold;'), '[b]', '[/b]');
+	node2bbcode($doc, 'span', ['style'=>'text-decoration: underline;'], '[u]', '[/u]');
+	node2bbcode($doc, 'span', ['style'=>'font-style: italic;'], '[i]', '[/i]');
+	node2bbcode($doc, 'span', ['style'=>'font-weight: bold;'], '[b]', '[/b]');
 
 	/*node2bbcode($doc, 'font', array('face'=>'/([\w ]+)/', 'size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[font=$1][size=$2][color=$3]', '[/color][/size][/font]');
 	node2bbcode($doc, 'font', array('size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[size=$1][color=$2]', '[/color][/size]');
@@ -147,13 +164,13 @@ function html2bbcode($message)
 	node2bbcode($doc, 'font', array('face'=>'/([\w ]+)/'), '[font=$1]', '[/font]');
 	node2bbcode($doc, 'font', array('size'=>'/(\d+)/'), '[size=$1]', '[/size]');
 	node2bbcode($doc, 'font', array('color'=>'/(.+)/'), '[color=$1]', '[/color]');
-*/
+	*/
 	// Untested
 	//node2bbcode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*font-family:\s*(.+?)[,;].*color:\s*(.+?)[,;].*/'), '[size=$1][font=$2][color=$3]', '[/color][/font][/size]');
 	//node2bbcode($doc, 'span', array('style'=>'/.*font-size:\s*(\d+)[,;].*/'), '[size=$1]', '[/size]');
 	//node2bbcode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*/'), '[size=$1]', '[/size]');
 
-	node2bbcode($doc, 'span', array('style'=>'/.*color:\s*(.+?)[,;].*/'), '[color="$1"]', '[/color]');
+	node2bbcode($doc, 'span', ['style'=>'/.*color:\s*(.+?)[,;].*/'], '[color="$1"]', '[/color]');
 
 	//node2bbcode($doc, 'span', array('style'=>'/.*font-family:\s*(.+?)[,;].*/'), '[font=$1]', '[/font]');
 
@@ -164,41 +181,42 @@ function html2bbcode($message)
 	// Importing the classes - interesting for importing of posts from third party networks that were exported from friendica
 	// Test
 	//node2bbcode($doc, 'span', array('class'=>'/([\w ]+)/'), '[class=$1]', '[/class]');
-	node2bbcode($doc, 'span', array('class'=>'type-link'), '[class=type-link]', '[/class]');
-	node2bbcode($doc, 'span', array('class'=>'type-video'), '[class=type-video]', '[/class]');
+	node2bbcode($doc, 'span', ['class'=>'type-link'], '[class=type-link]', '[/class]');
+	node2bbcode($doc, 'span', ['class'=>'type-video'], '[class=type-video]', '[/class]');
+
+	node2bbcode($doc, 'strong', [], '[b]', '[/b]');
+	node2bbcode($doc, 'em', [], '[i]', '[/i]');
+	node2bbcode($doc, 'b', [], '[b]', '[/b]');
+	node2bbcode($doc, 'i', [], '[i]', '[/i]');
+	node2bbcode($doc, 'u', [], '[u]', '[/u]');
 
-	node2bbcode($doc, 'strong', array(), '[b]', '[/b]');
-	node2bbcode($doc, 'em', array(), '[i]', '[/i]');
-	node2bbcode($doc, 'b', array(), '[b]', '[/b]');
-	node2bbcode($doc, 'i', array(), '[i]', '[/i]');
-	node2bbcode($doc, 'u', array(), '[u]', '[/u]');
+	node2bbcode($doc, 'big', [], "[size=large]", "[/size]");
+	node2bbcode($doc, 'small', [], "[size=small]", "[/size]");
 
-	node2bbcode($doc, 'big', array(), "[size=large]", "[/size]");
-	node2bbcode($doc, 'small', array(), "[size=small]", "[/size]");
+	node2bbcode($doc, 'blockquote', [], '[quote]', '[/quote]');
 
-	node2bbcode($doc, 'blockquote', array(), '[quote]', '[/quote]');
+	node2bbcode($doc, 'br', [], "\n", '');
 
-	node2bbcode($doc, 'br', array(), "\n", '');
+	node2bbcode($doc, 'p', ['class'=>'MsoNormal'], "\n", "");
+	node2bbcode($doc, 'div', ['class'=>'MsoNormal'], "\r", "");
 
-	node2bbcode($doc, 'p', array('class'=>'MsoNormal'), "\n", "");
-	node2bbcode($doc, 'div', array('class'=>'MsoNormal'), "\r", "");
+	node2bbcode($doc, 'span', [], "", "");
 
-	node2bbcode($doc, 'span', array(), "", "");
+	node2bbcode($doc, 'span', [], "", "");
+	node2bbcode($doc, 'pre', [], "", "");
 
-	node2bbcode($doc, 'span', array(), "", "");
-	node2bbcode($doc, 'pre', array(), "", "");
-	node2bbcode($doc, 'div', array(), "\r", "\r");
-	node2bbcode($doc, 'p', array(), "\n", "\n");
+	node2bbcode($doc, 'div', [], "\r", "\r");
+	node2bbcode($doc, 'p', [], "\n", "\n");
 
-	node2bbcode($doc, 'ul', array(), "[list]", "[/list]");
-	node2bbcode($doc, 'ol', array(), "[list=1]", "[/list]");
-	node2bbcode($doc, 'li', array(), "[*]", "");
+	node2bbcode($doc, 'ul', [], "[list]", "[/list]");
+	node2bbcode($doc, 'ol', [], "[list=1]", "[/list]");
+	node2bbcode($doc, 'li', [], "[*]", "");
 
-	node2bbcode($doc, 'hr', array(), "[hr]", "");
+	node2bbcode($doc, 'hr', [], "[hr]", "");
 
-	node2bbcode($doc, 'table', array(), "", "");
-	node2bbcode($doc, 'tr', array(), "\n", "");
-	node2bbcode($doc, 'td', array(), "\t", "");
+	node2bbcode($doc, 'table', [], "", "");
+	node2bbcode($doc, 'tr', [], "\n", "");
+	node2bbcode($doc, 'td', [], "\t", "");
 	//node2bbcode($doc, 'table', array(), "[table]", "[/table]");
 	//node2bbcode($doc, 'th', array(), "[th]", "[/th]");
 	//node2bbcode($doc, 'tr', array(), "[tr]", "[/tr]");
@@ -211,25 +229,26 @@ function html2bbcode($message)
 	//node2bbcode($doc, 'h5', array(), "\n\n[size=small][b]", "[/b][/size]\n");
 	//node2bbcode($doc, 'h6', array(), "\n\n[size=x-small][b]", "[/b][/size]\n");
 
-	node2bbcode($doc, 'h1', array(), "\n\n[h1]", "[/h1]\n");
-	node2bbcode($doc, 'h2', array(), "\n\n[h2]", "[/h2]\n");
-	node2bbcode($doc, 'h3', array(), "\n\n[h3]", "[/h3]\n");
-	node2bbcode($doc, 'h4', array(), "\n\n[h4]", "[/h4]\n");
-	node2bbcode($doc, 'h5', array(), "\n\n[h5]", "[/h5]\n");
-	node2bbcode($doc, 'h6', array(), "\n\n[h6]", "[/h6]\n");
+	node2bbcode($doc, 'h1', [], "\n\n[h1]", "[/h1]\n");
+	node2bbcode($doc, 'h2', [], "\n\n[h2]", "[/h2]\n");
+	node2bbcode($doc, 'h3', [], "\n\n[h3]", "[/h3]\n");
+	node2bbcode($doc, 'h4', [], "\n\n[h4]", "[/h4]\n");
+	node2bbcode($doc, 'h5', [], "\n\n[h5]", "[/h5]\n");
+	node2bbcode($doc, 'h6', [], "\n\n[h6]", "[/h6]\n");
 
-	node2bbcode($doc, 'a', array('href'=>'/mailto:(.+)/'), '[mail=$1]', '[/mail]');
-	node2bbcode($doc, 'a', array('href'=>'/(.+)/'), '[url=$1]', '[/url]');
+	node2bbcode($doc, 'a', ['href'=>'/mailto:(.+)/'], '[mail=$1]', '[/mail]');
+	node2bbcode($doc, 'a', ['href'=>'/(.+)/'], '[url=$1]', '[/url]');
 
-	node2bbcode($doc, 'img', array('src'=>'/(.+)/', 'width'=>'/(\d+)/', 'height'=>'/(\d+)/'), '[img=$2x$3]$1', '[/img]');
-	node2bbcode($doc, 'img', array('src'=>'/(.+)/'), '[img]$1', '[/img]');
+	node2bbcode($doc, 'img', ['src'=>'/(.+)/', 'width'=>'/(\d+)/', 'height'=>'/(\d+)/'], '[img=$2x$3]$1', '[/img]');
+	node2bbcode($doc, 'img', ['src'=>'/(.+)/'], '[img]$1', '[/img]');
 
 
-	node2bbcode($doc, 'video', array('src'=>'/(.+)/'), '[video]$1', '[/video]');
-	node2bbcode($doc, 'audio', array('src'=>'/(.+)/'), '[audio]$1', '[/audio]');
-	node2bbcode($doc, 'iframe', array('src'=>'/(.+)/'), '[iframe]$1', '[/iframe]');
+	node2bbcode($doc, 'video', ['src'=>'/(.+)/'], '[video]$1', '[/video]');
+	node2bbcode($doc, 'audio', ['src'=>'/(.+)/'], '[audio]$1', '[/audio]');
+	node2bbcode($doc, 'iframe', ['src'=>'/(.+)/'], '[iframe]$1', '[/iframe]');
 
-	node2bbcode($doc, 'code', array(), '[code]', '[/code]');
+	node2bbcode($doc, 'key', [], '[code]', '[/code]');
+	node2bbcode($doc, 'code', [], '[code]', '[/code]');
 
 	$message = $doc->saveHTML();
 
@@ -243,13 +262,13 @@ function html2bbcode($message)
 	$message = preg_replace('=\r *\r=i', "\n", $message);
 	$message = str_replace("\r", "\n", $message);
 
-	call_hooks('html2bbcode', $message);
+	Addon::callHooks('html2bbcode', $message);
 
 	$message = strip_tags($message);
 
 	$message = html_entity_decode($message, ENT_QUOTES, 'UTF-8');
 
-	$message = str_replace(array("<"), array("&lt;"), $message);
+	$message = str_replace(["<"], ["&lt;"], $message);
 
 	// remove quotes if they don't make sense
 	$message = preg_replace('=\[/quote\][\s]*\[quote\]=i', "\n", $message);
@@ -269,35 +288,115 @@ function html2bbcode($message)
 
 	do {
 		$oldmessage = $message;
-		$message = str_replace(array(
-					"[/size]\n\n",
-					"\n[hr]",
-					"[hr]\n",
-					"\n[list",
-					"[/list]\n",
-					"\n[/",
-					"[list]\n",
-					"[list=1]\n",
-					"\n[*]"),
-				array(
-					"[/size]\n",
-					"[hr]",
-					"[hr]",
-					"[list",
-					"[/list]",
-					"[/",
-					"[list]",
-					"[list=1]",
-					"[*]"),
-				$message);
+		$message = str_replace(
+			[
+				"[/size]\n\n",
+				"\n[hr]",
+				"[hr]\n",
+				"\n[list",
+				"[/list]\n",
+				"\n[/",
+				"[list]\n",
+				"[list=1]\n",
+				"\n[*]"],
+			[
+				"[/size]\n",
+				"[hr]",
+				"[hr]",
+				"[list",
+				"[/list]",
+				"[/",
+				"[list]",
+				"[list=1]",
+				"[*]"],
+			$message
+		);
 	} while ($message != $oldmessage);
 
-	$message = str_replace(array('[b][b]', '[/b][/b]', '[i][i]', '[/i][/i]'),
-		array('[b]', '[/b]', '[i]', '[/i]'), $message);
+	$message = str_replace(
+		['[b][b]', '[/b][/b]', '[i][i]', '[/i][/i]'],
+		['[b]', '[/b]', '[i]', '[/i]'],
+		$message
+	);
 
 	// Handling Yahoo style of mails
 	$message = str_replace('[hr][b]From:[/b]', '[quote][b]From:[/b]', $message);
 
-	return(trim($message));
+	// Restore code blocks
+	$message = preg_replace_callback(
+		'#\[codeblock-([0-9]+)\]#iU',
+		function ($matches) use ($codeblocks) {
+			$return = '';
+			if (isset($codeblocks[intval($matches[1])])) {
+				$return = $codeblocks[$matches[1]];
+			}
+			return $return;
+		},
+		$message
+	);
+
+	$message = trim($message);
+
+	if ($basepath != '') {
+		$message = addHostname($message, $basepath);
+	}
+
+	return $message;
+}
+
+/**
+ * @brief Sub function to complete incomplete URL
+ *
+ * @param array  $matches  Result of preg_replace_callback
+ * @param string $basepath Basepath that is used to complete the URL
+ *
+ * @return string The expanded URL
+ */
+function addHostnameSub($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));
+	$url2 = unParseUrl($parts);
+
+	return str_replace($url, $url2, $link);
+}
+
+/**
+ * @brief Complete incomplete URLs in BBCode
+ *
+ * @param string $body     Body with URLs
+ * @param string $basepath Basepath that is used to complete the URL
+ *
+ * @return string Body with expanded URLs
+ */
+function addHostname($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 ($basepath) {
+				return addHostnameSub($match, $basepath);
+			},
+			$body
+		);
+	}
+	return $body;
 }
-?>