diff options
Diffstat (limited to 'include/bb2diaspora.php')
| -rw-r--r-- | include/bb2diaspora.php | 228 |
1 files changed, 186 insertions, 42 deletions
diff --git a/include/bb2diaspora.php b/include/bb2diaspora.php index d86ba4543..042177fd9 100644 --- a/include/bb2diaspora.php +++ b/include/bb2diaspora.php @@ -1,10 +1,11 @@ <?php require_once("include/oembed.php"); -require_once('include/event.php'); - -require_once('library/markdown.php'); -require_once('include/html2bbcode.php'); +require_once("include/event.php"); +require_once("library/markdown.php"); +require_once("include/html2bbcode.php"); +require_once("include/bbcode.php"); +require_once("include/markdownify/markdownify.php"); // we don't want to support a bbcode specific markdown interpreter // and the markdown library we have is pretty good, but provides HTML output. @@ -37,12 +38,15 @@ function diaspora2bb($s) { $s = Markdown($s); $s = str_replace('#','#',$s); - - $s = str_replace("\n",'<br />',$s); +// we seem to have double linebreaks +// $s = str_replace("\n",'<br />',$s); $s = html2bbcode($s); // $s = str_replace('*','*',$s); + // protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands + $s = str_replace('♲',html_entity_decode('♲',ENT_QUOTES,'UTF-8'),$s); + // Convert everything that looks like a link to a link $s = preg_replace("/([^\]\=]|^)(https?\:\/\/)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3]$2$3[/url]',$s); @@ -66,9 +70,124 @@ function stripdcode_br_cb($s) { } +////////////////////// +// The following "diaspora_ul" and "diaspora_ol" are only appropriate for the +// pre-Markdownify conversion. If Markdownify isn't used, use the non-Markdownify +// versions below +////////////////////// +/* +function diaspora_ul($s) { + // Replace "[*]" followed by any number (including zero) of + // spaces by "* " to match Diaspora's list format + if( strpos($s[0], "[list]") === 0 ) + return '<ul class="listbullet" style="list-style-type: circle;">' . preg_replace("/\[\*\]( *)/", "* ", $s[1]) . '</ul>'; + elseif( strpos($s[0], "[ul]") === 0 ) + return '<ul class="listbullet" style="list-style-type: circle;">' . preg_replace("/\[\*\]( *)/", "* ", $s[1]) . '</ul>'; + else + return $s[0]; +} + + +function diaspora_ol($s) { + // A hack: Diaspora will create a properly-numbered ordered list even + // if you use '1.' for each element of the list, like: + // 1. First element + // 1. Second element + // 1. Third element + if( strpos($s[0], "[list=1]") === 0 ) + return '<ul class="listdecimal" style="list-style-type: decimal;">' . preg_replace("/\[\*\]( *)/", "1. ", $s[1]) . '</ul>'; + elseif( strpos($s[0], "[list=i]") === 0 ) + return '<ul class="listlowerroman" style="list-style-type: lower-roman;">' . preg_replace("/\[\*\]( *)/", "1. ", $s[1]) . '</ul>'; + elseif( strpos($s[0], "[list=I]") === 0 ) + return '<ul class="listupperroman" style="list-style-type: upper-roman;">' . preg_replace("/\[\*\]( *)/", "1. ", $s[1]) . '</ul>'; + elseif( strpos($s[0], "[list=a]") === 0 ) + return '<ul class="listloweralpha" style="list-style-type: lower-alpha;">' . preg_replace("/\[\*\]( *)/", "1. ", $s[1]) . '</ul>'; + elseif( strpos($s[0], "[list=A]") === 0 ) + return '<ul class="listupperalpha" style="list-style-type: upper-alpha;">' . preg_replace("/\[\*\]( *)/", "1. ", $s[1]) . '</ul>'; + elseif( strpos($s[0], "[ol]") === 0 ) + return '<ul class="listdecimal" style="list-style-type: decimal;">' . preg_replace("/\[\*\]( *)/", "1. ", $s[1]) . '</ul>'; + else + return $s[0]; +} +*/ + +////////////////////// +// Non-Markdownify versions of "diaspora_ol" and "diaspora_ul" +////////////////////// +function diaspora_ul($s) { + // Replace "[\\*]" followed by any number (including zero) of + // spaces by "* " to match Diaspora's list format + return preg_replace("/\[\\\\\*\]( *)/", "* ", $s[1]); +} + +function diaspora_ol($s) { + // A hack: Diaspora will create a properly-numbered ordered list even + // if you use '1.' for each element of the list, like: + // 1. First element + // 1. Second element + // 1. Third element + return preg_replace("/\[\\\\\*\]( *)/", "1. ", $s[1]); +} + function bb2diaspora($Text,$preserve_nl = false) { +////////////////////// +// An attempt was made to convert bbcode to html and then to markdown +// consisting of the following lines. +// I'm undoing this as we have a lot of bbcode constructs which +// were simply getting lost, for instance bookmark, vimeo, video, youtube, events, etc. +// We can try this again, but need a very good test sequence to verify +// all the major bbcode constructs that we use are getting through. +////////////////////// +/* + // bbcode() will convert "[*]" into "<li>" with no closing "</li>" + // Markdownify() is unable to handle these, as it makes each new + // "<li>" into a deeper nested element until it crashes. So pre-format + // the lists as Diaspora lists before sending the $Text to bbcode() + // + // Note that to get nested lists to work for Diaspora, we would need + // to define the closing tag for the list elements. So nested lists + // are going to be flattened out in Diaspora for now + + $endlessloop = 0; + while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) || + ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) || + ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false))) && (++$endlessloop < 20)) { + $Text = preg_replace_callback("/\[list\](.*?)\[\/list\]/is", 'diaspora_ul', $Text); + $Text = preg_replace_callback("/\[list=1\](.*?)\[\/list\]/is", 'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[list=i\](.*?)\[\/list\]/s",'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[list=I\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[list=a\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[list=A\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[ul\](.*?)\[\/ul\]/is", 'diaspora_ul', $Text); + $Text = preg_replace_callback("/\[ol\](.*?)\[\/ol\]/is", 'diaspora_ol', $Text); + } + +*/ + + // Convert it to HTML - don't try oembed +// $Text = bbcode($Text, $preserve_nl, false); + + // Now convert HTML to Markdown +// $md = new Markdownify(false, false, false); +// $Text = $md->parseString($Text); + + // If the text going into bbcode() has a plain URL in it, i.e. + // with no [url] tags around it, it will come out of parseString() + // looking like: <http://url.com>, which gets removed by strip_tags(). + // So take off the angle brackets of any such URL +// $Text = preg_replace("/<http(.*?)>/is", "http$1", $Text); + + // Remove all unconverted tags +// $Text = strip_tags($Text); + +////// +// end of bb->html->md conversion attempt +////// + + + $ev = bbtoevent($Text); // Replace any html brackets with HTML Entities to prevent executing HTML or script @@ -78,12 +197,17 @@ function bb2diaspora($Text,$preserve_nl = false) { $Text = str_replace(">", ">", $Text); // If we find any event code, turn it into an event. - // After we're finished processing the bbcode we'll + // After we're finished processing the bbcode we'll // replace all of the event code with a reformatted version. - if($preserve_nl) $Text = str_replace(array("\n","\r"), array('',''),$Text); + else + // Remove the "return" character, as Diaspora uses only the "newline" + // character, so having the "return" character can cause signature + // failures + $Text = str_replace("\r", "", $Text); + // Set up the parameters for a URL search string $URLSearchString = "^\[\]"; @@ -98,7 +222,7 @@ function bb2diaspora($Text,$preserve_nl = false) { // new javascript markdown processor to handle links with images as the link "text" // It is not optimal and may be removed if this ability is restored in the future - $Text = preg_replace("/\[url\=([$URLSearchString]*)\]\[img\](.*?)\[\/img\]\[\/url\]/ism", + $Text = preg_replace("/\[url\=([$URLSearchString]*)\]\[img\](.*?)\[\/img\]\[\/url\]/ism", '' . "\n" . '[' . t('link') . '](' . '$1' . ')', $Text); $Text = preg_replace("/\[bookmark\]([$URLSearchString]*)\[\/bookmark\]/ism", '[$1]($1)', $Text); @@ -115,7 +239,7 @@ function bb2diaspora($Text,$preserve_nl = false) { // Perform MAIL Search $Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '[$1](mailto:$1)', $Text); $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '[$2](mailto:$1)', $Text); - + $Text = str_replace('*', '\\*', $Text); $Text = str_replace('_', '\\_', $Text); @@ -124,48 +248,61 @@ function bb2diaspora($Text,$preserve_nl = false) { // Check for bold text $Text = preg_replace("(\[b\](.*?)\[\/b\])is",'**$1**',$Text); - // Check for Italics text + // Check for italics text $Text = preg_replace("(\[i\](.*?)\[\/i\])is",'_$1_',$Text); - // Check for Underline text -// $Text = preg_replace("(\[u\](.*?)\[\/u\])is",'<u>$1</u>',$Text); + // Check for underline text + // Replace with italics since Diaspora doesn't have underline + $Text = preg_replace("(\[u\](.*?)\[\/u\])is",'_$1_',$Text); // Check for strike-through text -// $Text = preg_replace("(\[s\](.*?)\[\/s\])is",'<strike>$1</strike>',$Text); + $Text = preg_replace("(\[s\](.*?)\[\/s\])is",'**[strike]**$1**[/strike]**',$Text); // Check for over-line text // $Text = preg_replace("(\[o\](.*?)\[\/o\])is",'<span class="overline">$1</span>',$Text); // Check for colored text -// $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","<span style=\"color: $1;\">$2</span>",$Text); + // Remove color since Diaspora doesn't support it + $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","$2",$Text); // Check for sized text -// $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","<span style=\"font-size: $1;\">$2</span>",$Text); + // Remove it since Diaspora doesn't support sizes very well + $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","$2",$Text); // Check for list text -// $Text = preg_replace("/\[list\](.*?)\[\/list\]/is", '<ul class="listbullet">$1</ul>' ,$Text); -// $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/is", '<ul class="listdecimal">$1</ul>' ,$Text); -// $Text = preg_replace("/\[list=i\](.*?)\[\/list\]/s",'<ul class="listlowerroman">$1</ul>' ,$Text); -// $Text = preg_replace("/\[list=I\](.*?)\[\/list\]/s", '<ul class="listupperroman">$1</ul>' ,$Text); -// $Text = preg_replace("/\[list=a\](.*?)\[\/list\]/s", '<ul class="listloweralpha">$1</ul>' ,$Text); -// $Text = preg_replace("/\[list=A\](.*?)\[\/list\]/s", '<ul class="listupperalpha">$1</ul>' ,$Text); -// $Text = preg_replace("/\[li\](.*?)\[\/li\]/s", '<li>$1</li>' ,$Text); - -// $Text = preg_replace("/\[td\](.*?)\[\/td\]/s", '<td>$1</td>' ,$Text); -// $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/s", '<tr>$1</tr>' ,$Text); -// $Text = preg_replace("/\[table\](.*?)\[\/table\]/s", '<table>$1</table>' ,$Text); - -// $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/s", '<table border="1" >$1</table>' ,$Text); + $endlessloop = 0; + while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) || + ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) || + ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) || + ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) { + $Text = preg_replace_callback("/\[list\](.*?)\[\/list\]/is", 'diaspora_ul', $Text); + $Text = preg_replace_callback("/\[list=1\](.*?)\[\/list\]/is", 'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[list=i\](.*?)\[\/list\]/s",'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[list=I\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[list=a\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[list=A\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); + $Text = preg_replace_callback("/\[ul\](.*?)\[\/ul\]/is", 'diaspora_ul', $Text); + $Text = preg_replace_callback("/\[ol\](.*?)\[\/ol\]/is", 'diaspora_ol', $Text); + $Text = preg_replace("/\[li\]( *)(.*?)\[\/li\]/s", '* $2' ,$Text); + } + + // Just get rid of table tags since Diaspora doesn't support tables + $Text = preg_replace("/\[th\](.*?)\[\/th\]/s", '$1' ,$Text); + $Text = preg_replace("/\[td\](.*?)\[\/td\]/s", '$1' ,$Text); + $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/s", '$1' ,$Text); + $Text = preg_replace("/\[table\](.*?)\[\/table\]/s", '$1' ,$Text); + + $Text = preg_replace("/\[table border=(.*?)\](.*?)\[\/table\]/s", '$2' ,$Text); // $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/s", '<table border="0" >$1</table>' ,$Text); - + // $Text = str_replace("[*]", "<li>", $Text); // Check for font change text // $Text = preg_replace("(\[font=(.*?)\](.*?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text); - $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/is",'stripdcode_br_cb',$Text); + $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/is",'stripdcode_br_cb',$Text); // Check for [code] text $Text = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/is","\t$2\n", $Text); @@ -174,10 +311,11 @@ function bb2diaspora($Text,$preserve_nl = false) { // Declare the format for [quote] layout - // $QuoteLayout = '<blockquote>$1</blockquote>'; + // $QuoteLayout = '<blockquote>$1</blockquote>'; // Check for [quote] text $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/is",">$1\n\n", $Text); - + $Text = preg_replace("/\[quote=(.*?)\](.*?)\[\/quote\]/is",">$2\n\n", $Text); + // Images // html5 video and audio @@ -187,13 +325,13 @@ function bb2diaspora($Text,$preserve_nl = false) { $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $Text); // $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text); - + // [img=widthxheight]image source[/img] // $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/", '<img src="$3" style="height:{$2}px; width:{$1}px;" >', $Text); - $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); - $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); - $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); + $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); + $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); + $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", 'http://www.youtube.com/watch?v=$1', $Text); $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text); @@ -211,9 +349,10 @@ function bb2diaspora($Text,$preserve_nl = false) { if(x($ev,'desc') && x($ev,'start')) { $sub = format_event_diaspora($ev); - - $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/is",$sub,$Text); - $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/is",'',$Text); + + $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/is",'',$Text); + $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/is",'',$Text); + $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/is",$sub,$Text); $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/is",'',$Text); $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/is",'',$Text); $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is",'',$Text); @@ -222,7 +361,12 @@ function bb2diaspora($Text,$preserve_nl = false) { $Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text); $Text = preg_replace_callback('/\[(.*?)\]\((.*?)\)/ism','unescape_underscores_in_links',$Text); - + + + // Remove any leading or trailing whitespace, as this will mess up + // the Diaspora signature verification and cause the item to disappear + $Text = trim($Text); + call_hooks('bb2diaspora',$Text); return $Text; @@ -244,7 +388,7 @@ function format_event_diaspora($ev) { $o = 'Friendica event notification:' . "\n"; - $o .= '**' . bb2diaspora($ev['desc']) . '**' . "\n"; + $o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n"; $o .= t('Starts:') . ' ' . '[' . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC', |