X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fbbcode.php;h=ef4a9aa9ba3462747f5ba5a30d69e565e77c077c;hb=2347a4326c0a0877595ed1c634d04bcf765ce90f;hp=63dd9695e76f1bad88a19d922a9098eec53360b3;hpb=a3640b4e9f8c457c8761ccedf7757ce6dfe733c2;p=friendica.git

diff --git a/include/bbcode.php b/include/bbcode.php
index 63dd9695e7..ef4a9aa9ba 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -47,6 +47,89 @@ function bb_unspacefy_and_trim($st) {
   return $unspacefied;
 }
 
+function bb_find_open_close($s, $open, $close, $occurance = 1) {
+
+	if($occurance < 1)
+		$occurance = 1;
+
+	$start_pos = -1;
+	for($i = 1; $i <= $occurance; $i++) {
+		if( $start_pos !== false)
+			$start_pos = strpos($s, $open, $start_pos + 1);
+	}
+
+	if( $start_pos === false)
+		return false;
+
+	$end_pos = strpos($s, $close, $start_pos);
+
+	if( $end_pos === false)
+		return false;
+
+	$res = array( 'start' => $start_pos, 'end' => $end_pos );
+
+	return $res;
+}
+
+function get_bb_tag_pos($s, $name, $occurance = 1) {
+
+	if($occurance < 1)
+		$occurance = 1;
+
+	$start_open = -1;
+	for($i = 1; $i <= $occurance; $i++) {
+		if( $start_open !== false)
+			$start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
+	}
+
+	if( $start_open === false)
+		return false;
+
+	$start_equal = strpos($s, '=', $start_open);
+	$start_close = strpos($s, ']', $start_open);
+
+	if( $start_close === false)
+		return false;
+
+	$start_close++;
+
+	$end_open = strpos($s, '[/' . $name . ']', $start_close);
+
+	if( $end_open === false)
+		return false;
+
+	$res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
+	              'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
+	if( $start_equal !== false)
+		$res['start']['equal'] = $start_equal + 1;
+
+	return $res;
+}
+
+function bb_tag_preg_replace($pattern, $replace, $name, $s) {
+
+	$string = $s;
+
+	$occurance = 1;
+	$pos = get_bb_tag_pos($string, $name, $occurance);
+	while($pos !== false && $occurance < 1000) {
+
+		$start = substr($string, 0, $pos['start']['open']);
+		$subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
+		$end = substr($string, $pos['end']['close']);
+		if($end === false)
+			$end = '';
+
+		$subject = preg_replace($pattern, $replace, $subject);
+		$string = $start . $subject . $end;
+
+		$occurance++;
+		$pos = get_bb_tag_pos($string, $name, $occurance);
+	}
+
+	return $string;
+}
+
 if(! function_exists('bb_extract_images')) {
 function bb_extract_images($body) {
 
@@ -123,6 +206,10 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 	$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 
 
+	// Move all spaces out of the tags
+	$Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
+	$Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
+
 	// Extract the private images which use data url's since preg has issues with
 	// large data sizes. Stash them away while we do bbcode conversion, and then put them back
 	// in after we've done all the regex matching. We cannot use any preg functions to do this.
@@ -220,6 +307,12 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 	// Check for list text
 	$Text = str_replace("[*]", "<li>", $Text);
 
+	// Check for style sheet commands
+	$Text = preg_replace("(\[style=(.*?)\](.*?)\[\/style\])ism","<span style=\"$1;\">$2</span>",$Text);
+
+	// Check for CSS classes
+	$Text = preg_replace("(\[class=(.*?)\](.*?)\[\/class\])ism","<span class=\"$1\">$2</span>",$Text);
+
  	// handle nested lists
 	$endlessloop = 0;
 
@@ -313,21 +406,30 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 	$Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 
 
-	$Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
 
-	$Text = preg_replace("/\[audio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3))\[\/audio\]/ism", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
+	$Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
+	$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
+
 
 	// Try to Oembed
 	if ($tryoembed) {
+		$Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></video>', $Text);
+		$Text = preg_replace("/\[audio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3))\[\/audio\]/ism", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
+
 		$Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
 		$Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
+	} else {
+		$Text = preg_replace("/\[video\](.*?)\[\/video\]/", '$1', $Text);
+		$Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $Text);
 	}
 
 	// html5 video and audio
 
 
-	$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
-
+	if ($tryoembed)
+		$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
+	else
+		$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
 
 	// Youtube extensions
 	if ($tryoembed) {
@@ -340,7 +442,10 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 	$Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); 
 	$Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 
-	$Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="425" height="350" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
+	if ($tryoembed)
+		$Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
+	else
+		$Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", "http://www.youtube.com/watch?v=$1", $Text);
 
 
 	if ($tryoembed) {
@@ -349,8 +454,12 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 	}
 
 	$Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text); 
-	$Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text); 
-	$Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="425" height="350" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
+	$Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
+
+	if ($tryoembed)
+		$Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
+	else
+		$Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", "http://vimeo.com/$1", $Text);
 
 //	$Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<object width="425" height="350" type="application/x-shockwave-flash" data="http://www.youtube.com/v/$1" ><param name="movie" value="http://www.youtube.com/v/$1"></param><!--[if IE]><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="425" height="350" /><![endif]--></object>', $Text);
 
@@ -358,6 +467,9 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 	// oembed tag
 	$Text = oembed_bbcode2html($Text);
 
+	// Avoid triple linefeeds through oembed
+	$Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
+
 	// If we found an event earlier, strip out all the event code and replace with a reformatted version.
 	// Replace the event-start section with the entire formatted event. The other bbcode is stripped.
 	// Summary (e.g. title) is required, earlier revisions only required description (in addition to 
@@ -383,13 +495,35 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 
 
 	$Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
+	$Text = preg_replace('/\&\#039\;/','\'',$Text);
+	$Text = preg_replace('/\&quot\;/','"',$Text);
 
 	// fix any escaped ampersands that may have been converted into links
 	$Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
+	$Text = preg_replace("/\<(.*?)(src|href)=\"[^hfm](.*?)\>/ism",'<$1$2="">',$Text);
 
 	if($saved_image)
 		$Text = bb_replace_images($Text, $saved_image);
 
+	// Clean up the HTML by loading and saving the HTML with the DOM
+	// Only do it when it has to be done - for performance reasons
+	if (!$tryoembed) {
+		$doc = new DOMDocument();
+		$doc->preserveWhiteSpace = false;
+
+		$Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
+
+		$doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
+		@$doc->loadHTML($doctype."<html><body>".$Text."</body></html>");
+
+		$Text = $doc->saveHTML();
+		$Text = str_replace(array("<html><body>", "</body></html>", $doctype), array("", "", ""), $Text);
+
+		$Text = str_replace('<br></li>','</li>', $Text);
+
+		$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
+	}
+
 	call_hooks('bbcode',$Text);
 
 	return $Text;