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[friendica.git] / include / bbcode.php
1 <?php
2 require_once("include/oembed.php");
3 require_once('include/event.php');
4 require_once('include/map.php');
5 require_once('mod/proxy.php');
6 require_once('include/Contact.php');
7
8 function bb_PictureCacheExt($matches) {
9         if (strpos($matches[3], "data:image/") === 0)
10                 return ($matches[0]);
11
12         $matches[3] = proxy_url($matches[3]);
13         return "[img=".$matches[1]."x".$matches[2]."]".$matches[3]."[/img]";
14 }
15
16 function bb_PictureCache($matches) {
17         if (strpos($matches[1], "data:image/") === 0)
18                 return ($matches[0]);
19
20         $matches[1] = proxy_url($matches[1]);
21         return "[img]".$matches[1]."[/img]";
22 }
23
24 function bb_map_coords($match) {
25         // the extra space in the following line is intentional
26         return str_replace($match[0],'<div class="map"  >' . generate_map(str_replace('/',' ',$match[1])) . '</div>', $match[0]);
27 }
28 function bb_map_location($match) {
29         // the extra space in the following line is intentional
30         return str_replace($match[0],'<div class="map"  >' . generate_named_map($match[1]) . '</div>', $match[0]);
31 }
32
33 function bb_attachment($Text, $simplehtml = false, $tryoembed = true) {
34         $Text = preg_replace_callback("/(.*?)\[attachment(.*?)\](.*?)\[\/attachment\]/ism",
35                 function ($match) use ($simplehtml, $tryoembed){
36
37                         $attributes = $match[2];
38
39                         $type = "";
40                         preg_match("/type='(.*?)'/ism", $attributes, $matches);
41                         if ($matches[1] != "")
42                                 $type = strtolower($matches[1]);
43
44                         preg_match('/type="(.*?)"/ism', $attributes, $matches);
45                         if ($matches[1] != "")
46                                 $type = strtolower($matches[1]);
47
48                         if ($type == "")
49                                 return($match[0]);
50
51                         if (!in_array($type, array("link", "audio", "video")))
52                                 return($match[0]);
53
54                         $url = "";
55                         preg_match("/url='(.*?)'/ism", $attributes, $matches);
56                         if ($matches[1] != "")
57                                 $url = $matches[1];
58
59                         preg_match('/url="(.*?)"/ism', $attributes, $matches);
60                         if ($matches[1] != "")
61                                 $url = $matches[1];
62
63                         $title = "";
64                         preg_match("/title='(.*?)'/ism", $attributes, $matches);
65                         if ($matches[1] != "")
66                                 $title = $matches[1];
67
68                         preg_match('/title="(.*?)"/ism', $attributes, $matches);
69                         if ($matches[1] != "")
70                                 $title = $matches[1];
71
72                         //$title = htmlentities($title, ENT_QUOTES, 'UTF-8', false);
73                         $title = bbcode(html_entity_decode($title, ENT_QUOTES, 'UTF-8'), false, false, true);
74                         $title = str_replace(array("[", "]"), array("&#91;", "&#93;"), $title);
75
76                         $image = "";
77                         if ($type != "video") {
78                                 preg_match("/image='(.*?)'/ism", $attributes, $matches);
79                                 if ($matches[1] != "")
80                                         $image = $matches[1];
81
82                                 preg_match('/image="(.*?)"/ism', $attributes, $matches);
83                                 if ($matches[1] != "")
84                                         $image = $matches[1];
85                         }
86
87                         $preview = "";
88                         if ($type != "video") {
89                                 preg_match("/preview='(.*?)'/ism", $attributes, $matches);
90                                 if ($matches[1] != "")
91                                         $preview = $matches[1];
92
93                                 preg_match('/preview="(.*?)"/ism', $attributes, $matches);
94                                 if ($matches[1] != "")
95                                         $preview = $matches[1];
96                         }
97
98                         if (((strpos($match[1], "[img=") !== false) OR (strpos($match[1], "[img]") !== false)) AND ($image != "")) {
99                                 $preview = $image;
100                                 $image = "";
101                         }
102
103                         if ($simplehtml == 7) {
104                                 $title2 = $title;
105
106                                 $test1 = trim(html_entity_decode($match[1],ENT_QUOTES,'UTF-8'));
107                                 $test2 = trim(html_entity_decode($title,ENT_QUOTES,'UTF-8'));
108
109                                 // If the link description is similar to the text above then don't add the link description
110                                 if (($title != "") AND ((strpos($test1,$test2) !== false) OR
111                                         (similar_text($test1,$test2) / strlen($title)) > 0.9))
112                                         $title2 = $url;
113                                 $text = sprintf('<a href="%s" title="%s" class="attachment thumbnail" rel="nofollow external">%s</a><br />',
114                                                 $url, $title, $title2);
115                         } elseif (($simplehtml != 4) AND ($simplehtml != 0))
116                                 $text = sprintf('<a href="%s" target="_blank">%s</a><br>', $url, $title);
117                         else {
118                                 $text = sprintf('<span class="type-%s">', $type);
119
120                                 $bookmark = array(sprintf('[bookmark=%s]%s[/bookmark]', $url, $title), $url, $title);
121                                 if ($tryoembed)
122                                         $oembed = tryoembed($bookmark);
123                                 else
124                                         $oembed = $bookmark[0];
125
126                                 if (strstr(strtolower($oembed), "<iframe "))
127                                         $text = $oembed;
128                                 else {
129                                         if (($image != "") AND !strstr(strtolower($oembed), "<img "))
130                                                 $text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $url, proxy_url($image), $title);
131                                         elseif (($preview != "") AND !strstr(strtolower($oembed), "<img "))
132                                                 $text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $url, proxy_url($preview), $title);
133
134                                         $text .= $oembed;
135
136                                         $text .= sprintf('<blockquote>%s</blockquote></span>', trim($match[3]));
137                                 }
138                         }
139
140                         return($match[1].$text);
141                 },$Text);
142
143         return($Text);
144 }
145
146 function bb_rearrange_share($shared) {
147         if (!in_array(strtolower($shared[2]), array("type-link", "type-audio", "type-video")))
148                 return($shared[0]);
149
150         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
151                 return($shared[0]);
152
153         $type = substr(trim(strtolower($shared[2])), 5);
154
155         $title = "";
156         $url = "";
157         $preview = "";
158         $description = "";
159
160         if (isset($bookmark[2][0]))
161                 $title = $bookmark[2][0];
162
163         if (isset($bookmark[1][0]))
164                 $url = $bookmark[1][0];
165
166         $cleanedshare = trim($shared[3]);
167         $cleanedshare = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $cleanedshare);
168         preg_match("/\[img\](.*?)\[\/img\]/ism", $cleanedshare, $matches);
169
170         if ($matches)
171                 $preview = trim($matches[1]);
172
173         preg_match("/\[quote\](.*?)\[\/quote\]/ism", $cleanedshare, $matches);
174         if ($matches)
175                 $description = trim($matches[1]);
176
177         $url = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($url, ENT_QUOTES, 'UTF-8', false));
178         $title = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($title, ENT_QUOTES, 'UTF-8', false));
179         $preview = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($preview, ENT_QUOTES, 'UTF-8', false));
180
181         $Text = trim($shared[1])."\n[attachment type='".$type."'";
182
183         if ($url != "")
184                 $Text .= " url='".$url."'";
185         if ($title != "")
186                 $Text .= " title='".$title."'";
187         if ($preview != "") {
188                 require_once("include/Photo.php");
189                 $picturedata = get_photo_info($preview);
190
191                 if (count($picturedata) > 0) {
192                         // if the preview picture is larger than 500 pixels then show it in a larger mode
193                         // But only, if the picture isn't higher than large (To prevent huge posts)
194                         if (($picturedata[0] >= 500) AND ($picturedata[0] >= $picturedata[1]))
195                                 $Text .= " image='".$preview."'";
196                         else
197                                 $Text .= " preview='".$preview."'";
198                 } else
199                         $Text .= " preview='".$preview."'";
200         }
201         $Text .= "]".$description."[/attachment]";
202
203         return($Text);
204 }
205
206 function bb_remove_share_information($Text, $plaintext = false, $nolink = false) {
207         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism",
208                 function ($match) use ($plaintext, $nolink){
209                         return(bb_cleanup_share($match, $plaintext, $nolink));
210                 },$Text);
211         return($Text);
212 }
213
214 function bb_cleanup_share($shared, $plaintext, $nolink) {
215         $shared[1] = trim($shared[1]);
216
217         if (!in_array($shared[2], array("type-link", "type-video")))
218                 return($shared[0]);
219
220         if ($plaintext)
221                 $shared[3] = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism","[bookmark=$1]$1[/bookmark]", $shared[3]);
222
223         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
224                 return($shared[0]);
225
226         if ($nolink)
227                 return($shared[1]);
228
229         $title = "";
230         $link = "";
231
232         if (isset($bookmark[2][0]))
233                 $title = $bookmark[2][0];
234
235         if (isset($bookmark[1][0]))
236                 $link = $bookmark[1][0];
237
238         if (($shared[1] != "") AND (strpos($title, $shared[1]) !== false))
239                 $shared[1] = $title;
240
241         if (($title != "") AND ((strpos($shared[1],$title) !== false) OR
242                 (similar_text($shared[1],$title) / strlen($title)) > 0.9))
243                 $title = "";
244
245 //        if (strpos($shared[1],$link) !== false)
246 //                $link = "";
247
248         $text = trim($shared[1]);
249
250         if (($text == "") AND ($title != "") AND ($link == ""))
251                 $text .= "\n\n".trim($title);
252
253         // If the link already is included in the post, don't add it again
254         if (($link != "") AND strpos($text, $link))
255                 return(trim($text));
256
257         if (($link != "") AND ($title != ""))
258                 $text .= "\n[url=".trim($link)."]".trim($title)."[/url]";
259         elseif (($link != ""))
260                 $text .= "\n".trim($link);
261
262         return(trim($text));
263 }
264
265
266 function bb_cleanstyle($st) {
267   return "<span style=\"".cleancss($st[1]).";\">".$st[2]."</span>";
268 }
269
270 function bb_cleanclass($st) {
271   return "<span class=\"".cleancss($st[1])."\">".$st[2]."</span>";
272 }
273
274 function cleancss($input) {
275
276         $cleaned = "";
277
278         $input = strtolower($input);
279
280         for ($i = 0; $i < strlen($input); $i++) {
281                 $char = substr($input, $i, 1);
282
283                 if (($char >= "a") and ($char <= "z"))
284                         $cleaned .= $char;
285
286                 if (!(strpos(" #;:0123456789-_", $char) === false))
287                         $cleaned .= $char;
288         }
289
290         return($cleaned);
291 }
292
293 function stripcode_br_cb($s) {
294         return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
295 }
296
297 function bb_onelinecode_cb($match) {
298         if (strpos($match[1],"<br>")===false){
299                 return "<key>".$match[1]."</key>";
300         }
301         return "<code>".$match[1]."</code>";
302 }
303
304 function tryoembed($match){
305         $url = $match[1];
306
307         // Always embed the SSL version
308         $url = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
309                                 array("https://www.youtube.com/", "https://player.vimeo.com/"), $url);
310
311
312         $o = oembed_fetch_url($url);
313
314         if (isset($match[2]))
315                 $o->title = $match[2];
316
317         if ($o->type=="error") return $match[0];
318
319         $html = oembed_format_object($o);
320         return $html;
321
322 }
323
324 // [noparse][i]italic[/i][/noparse] turns into
325 // [noparse][ i ]italic[ /i ][/noparse],
326 // to hide them from parser.
327
328 function bb_spacefy($st) {
329   $whole_match = $st[0];
330   $captured = $st[1];
331   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
332   $new_str = str_replace($captured, $spacefied, $whole_match);
333   return $new_str;
334 }
335
336 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
337 // now turns back and the [noparse] tags are trimed
338 // returning [i]italic[/i]
339
340 function bb_unspacefy_and_trim($st) {
341   $whole_match = $st[0];
342   $captured = $st[1];
343   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
344   return $unspacefied;
345 }
346
347 function bb_find_open_close($s, $open, $close, $occurance = 1) {
348
349         if($occurance < 1)
350                 $occurance = 1;
351
352         $start_pos = -1;
353         for($i = 1; $i <= $occurance; $i++) {
354                 if( $start_pos !== false)
355                         $start_pos = strpos($s, $open, $start_pos + 1);
356         }
357
358         if( $start_pos === false)
359                 return false;
360
361         $end_pos = strpos($s, $close, $start_pos);
362
363         if( $end_pos === false)
364                 return false;
365
366         $res = array( 'start' => $start_pos, 'end' => $end_pos );
367
368         return $res;
369 }
370
371 function get_bb_tag_pos($s, $name, $occurance = 1) {
372
373         if($occurance < 1)
374                 $occurance = 1;
375
376         $start_open = -1;
377         for($i = 1; $i <= $occurance; $i++) {
378                 if( $start_open !== false)
379                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
380         }
381
382         if( $start_open === false)
383                 return false;
384
385         $start_equal = strpos($s, '=', $start_open);
386         $start_close = strpos($s, ']', $start_open);
387
388         if( $start_close === false)
389                 return false;
390
391         $start_close++;
392
393         $end_open = strpos($s, '[/' . $name . ']', $start_close);
394
395         if( $end_open === false)
396                 return false;
397
398         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
399                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
400         if( $start_equal !== false)
401                 $res['start']['equal'] = $start_equal + 1;
402
403         return $res;
404 }
405
406 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
407
408         $string = $s;
409
410         $occurance = 1;
411         $pos = get_bb_tag_pos($string, $name, $occurance);
412         while($pos !== false && $occurance < 1000) {
413
414                 $start = substr($string, 0, $pos['start']['open']);
415                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
416                 $end = substr($string, $pos['end']['close']);
417                 if($end === false)
418                         $end = '';
419
420                 $subject = preg_replace($pattern, $replace, $subject);
421                 $string = $start . $subject . $end;
422
423                 $occurance++;
424                 $pos = get_bb_tag_pos($string, $name, $occurance);
425         }
426
427         return $string;
428 }
429
430 if(! function_exists('bb_extract_images')) {
431 function bb_extract_images($body) {
432
433         $saved_image = array();
434         $orig_body = $body;
435         $new_body = '';
436
437         $cnt = 0;
438         $img_start = strpos($orig_body, '[img');
439         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
440         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
441         while(($img_st_close !== false) && ($img_end !== false)) {
442
443                 $img_st_close++; // make it point to AFTER the closing bracket
444                 $img_end += $img_start;
445
446                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
447                         // This is an embedded image
448
449                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
450                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
451
452                         $cnt++;
453                 }
454                 else
455                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
456
457                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
458
459                 if($orig_body === false) // in case the body ends on a closing image tag
460                         $orig_body = '';
461
462                 $img_start = strpos($orig_body, '[img');
463                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
464                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
465         }
466
467         $new_body = $new_body . $orig_body;
468
469         return array('body' => $new_body, 'images' => $saved_image);
470 }}
471
472 if(! function_exists('bb_replace_images')) {
473 function bb_replace_images($body, $images) {
474
475         $newbody = $body;
476
477         $cnt = 0;
478         foreach($images as $image) {
479                 // We're depending on the property of 'foreach' (specified on the PHP website) that
480                 // it loops over the array starting from the first element and going sequentially
481                 // to the last element
482                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . proxy_url($image) .'" alt="' . t('Image/photo') . '" />', $newbody);
483                 $cnt++;
484         }
485
486         return $newbody;
487 }}
488
489 function bb_ShareAttributes($share, $simplehtml) {
490         $attributes = $share[2];
491
492         $author = "";
493         preg_match("/author='(.*?)'/ism", $attributes, $matches);
494         if ($matches[1] != "")
495                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
496
497         preg_match('/author="(.*?)"/ism', $attributes, $matches);
498         if ($matches[1] != "")
499                 $author = $matches[1];
500
501         $profile = "";
502         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
503         if ($matches[1] != "")
504                 $profile = $matches[1];
505
506         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
507         if ($matches[1] != "")
508                 $profile = $matches[1];
509
510         $avatar = "";
511         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
512         if ($matches[1] != "")
513                 $avatar = $matches[1];
514
515         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
516         if ($matches[1] != "")
517                 $avatar = $matches[1];
518
519         $link = "";
520         preg_match("/link='(.*?)'/ism", $attributes, $matches);
521         if ($matches[1] != "")
522                 $link = $matches[1];
523
524         preg_match('/link="(.*?)"/ism', $attributes, $matches);
525         if ($matches[1] != "")
526                 $link = $matches[1];
527
528         $posted = "";
529
530         $itemcache = get_itemcachepath();
531
532         // relative dates only make sense when they aren't cached
533         if ($itemcache == "") {
534                 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
535                 if ($matches[1] != "")
536                         $posted = $matches[1];
537
538                 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
539                 if ($matches[1] != "")
540                         $posted = $matches[1];
541
542                 $reldate = (($posted) ? " " . relative_date($posted) : '');
543         }
544
545         $data = get_contact_details_by_url($profile);
546
547         if (isset($data["name"]) AND isset($data["addr"]))
548                 $userid_compact = $data["name"]." (".$data["addr"].")";
549         else
550                 $userid_compact = GetProfileUsername($profile,$author, true);
551
552         if (isset($data["addr"]))
553                 $userid = $data["addr"];
554         else
555                 $userid = GetProfileUsername($profile,$author, false);
556
557         if (isset($data["name"]))
558                 $author = $data["name"];
559
560         if (isset($data["photo"]))
561                 $avatar = $data["photo"];
562
563         $preshare = trim($share[1]);
564
565         if ($preshare != "")
566                 $preshare .= "<br /><br />";
567
568         switch ($simplehtml) {
569                 case 1:
570                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$share[3]."«";
571                         break;
572                 case 2:
573                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
574                         break;
575                 case 3: // Diaspora
576                         $headline .= '<b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$userid.':</b><br />';
577
578                         $text = trim($share[1]);
579
580                         if ($text != "")
581                                 $text .= "<hr />";
582
583                         if (substr(normalise_link($link), 0, 19) != "http://twitter.com/") {
584                                 $text .= $headline.'<blockquote>'.trim($share[3])."</blockquote><br />";
585
586                                 if ($link != "")
587                                         $text .= '<br /><a href="'.$link.'">[l]</a>';
588                         } else
589                                 $text .= '<br /><a href="'.$link.'">'.$link.'</a>';
590
591                         break;
592                 case 4:
593                         $headline = '<div class="shared_header">';
594                         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
595                         $headline .= sprintf(t('<a href="%1$s" target="_blank">%2$s</a> %3$s'), $link, $userid, $posted);
596                         $headline .= ":</b></span></div>";
597
598                         $text = trim($share[1]);
599
600                         if ($text != "")
601                                 $text .= "<hr />";
602
603                         $text .= $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote><br />";
604
605                         break;
606                 case 5:
607                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
608                         break;
609                 case 6: // app.net
610                         $text = $preshare."&gt;&gt; @".$userid_compact.": <br />".$share[3];
611                         break;
612                 case 7: // statusnet/GNU Social
613                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8')." @".$userid_compact.": ".$share[3];
614                         break;
615                 case 8: // twitter
616                         $text = $preshare."RT @".$userid_compact.": ".$share[3];
617                         break;
618                 case 9: // Google+/Facebook
619                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
620
621                         if ($link != "")
622                                 $text .= "<br /><br />".$link;
623                         break;
624                 default:
625                         $headline = trim($share[1]).'<div class="shared_header">';
626                         if ($avatar != "")
627                                 $headline .= '<img src="'.proxy_url($avatar, false, PROXY_SIZE_MICRO).'" height="32" width="32" >';
628
629                         $headline .= sprintf(t('<span><a href="%s" target="_blank">%s</a> wrote the following <a href="%s" target="_blank">post</a>'.$reldate.':</span>'), $profile, $author, $link);
630                         $headline .= "</div>";
631                         $text = $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote>";
632                         break;
633         }
634         return($text);
635 }
636
637 function GetProfileUsername($profile, $username, $compact = false, $getnetwork = false) {
638
639         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
640         if ($twitter != $profile) {
641                 if ($getnetwork)
642                         return(NETWORK_TWITTER);
643                 elseif ($compact)
644                         return($twitter);
645                 else
646                         return($username." (".$twitter.")");
647         }
648
649         $appnet = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1@alpha.app.net", $profile);
650         if ($appnet != $profile) {
651                 if ($getnetwork)
652                         return(NETWORK_APPNET);
653                 elseif ($compact)
654                         return($appnet);
655                 else
656                         return($username." (".$appnet.")");
657         }
658
659         $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
660         if ($gplus != $profile) {
661                 if ($getnetwork)
662                         return(NETWORK_GPLUS);
663                 elseif ($compact)
664                         return($gplususername." (".$username.")");
665                 else
666                         return($username." (".$gplus.")");
667         }
668
669         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
670         if ($friendica != $profile) {
671                 if ($getnetwork)
672                         return(NETWORK_DFRN);
673                 elseif ($compact)
674                         return($friendica);
675                 else
676                         return($username." (".$friendica.")");
677         }
678
679         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
680         if ($diaspora != $profile) {
681                 if ($getnetwork)
682                         return(NETWORK_DIASPORA);
683                 elseif ($compact)
684                         return($diaspora);
685                 else
686                         return($username." (".$diaspora.")");
687         }
688
689         $red = preg_replace("=https?://(.*)/channel/(.*)=ism", "$2@$1", $profile);
690         if ($red != $profile) {
691                 if ($getnetwork)
692                         // red is identified as Diaspora - friendica can't connect directly to it
693                         return(NETWORK_DIASPORA);
694                 elseif ($compact)
695                         return($red);
696                 else
697                         return($username." (".$red.")");
698         }
699
700         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
701         if ($StatusnetHost != $profile) {
702                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
703                 if ($StatusnetUser != $profile) {
704                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
705                         $user = json_decode($UserData);
706                         if ($user) {
707                                 if ($getnetwork)
708                                         return(NETWORK_STATUSNET);
709                                 elseif ($compact)
710                                         return($user->screen_name."@".$StatusnetHost);
711                                 else
712                                         return($username." (".$user->screen_name."@".$StatusnetHost.")");
713                         }
714                 }
715         }
716
717         // pumpio (http://host.name/user)
718         $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
719         if ($rest == "") {
720                 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$2@$1", $profile);
721                 if ($pumpio != $profile) {
722                         if ($getnetwork)
723                                 return(NETWORK_PUMPIO);
724                         elseif ($compact)
725                                 return($pumpio);
726                         else
727                                 return($username." (".$pumpio.")");
728                 }
729         }
730
731         return($username);
732 }
733
734 function bb_DiasporaLinks($match) {
735         $a = get_app();
736
737         return "[url=".$a->get_baseurl()."/display/".$match[1]."]".$match[2]."[/url]";
738 }
739
740 function bb_RemovePictureLinks($match) {
741         $text = Cache::get($match[1]);
742
743         if(is_null($text)){
744                 $a = get_app();
745
746                 $stamp1 = microtime(true);
747
748                 $ch = @curl_init($match[1]);
749                 @curl_setopt($ch, CURLOPT_NOBODY, true);
750                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
751                 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
752                 @curl_exec($ch);
753                 $curl_info = @curl_getinfo($ch);
754
755                 $a->save_timestamp($stamp1, "network");
756
757                 if (substr($curl_info["content_type"], 0, 6) == "image/")
758                         $text = "[url=".$match[1]."]".$match[1]."[/url]";
759                 else {
760                         $text = "[url=".$match[2]."]".$match[2]."[/url]";
761
762                         // if its not a picture then look if its a page that contains a picture link
763                         require_once("include/network.php");
764
765                         $body = fetch_url($match[1]);
766
767                         $doc = new DOMDocument();
768                         @$doc->loadHTML($body);
769                         $xpath = new DomXPath($doc);
770                         $list = $xpath->query("//meta[@name]");
771                         foreach ($list as $node) {
772                                 $attr = array();
773
774                                 if ($node->attributes->length)
775                                         foreach ($node->attributes as $attribute)
776                                                 $attr[$attribute->name] = $attribute->value;
777
778                                 if (strtolower($attr["name"]) == "twitter:image")
779                                         $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
780                         }
781                 }
782                 Cache::set($match[1],$text);
783         }
784         return($text);
785 }
786
787 function bb_expand_links($match) {
788         if (($match[3] == "") OR ($match[2] == $match[3]) OR stristr($match[2], $match[3]))
789                 return ($match[1]."[url]".$match[2]."[/url]");
790         else
791                 return ($match[1].$match[3]." [url]".$match[2]."[/url]");
792 }
793
794 function bb_CleanPictureLinksSub($match) {
795         $text = Cache::get($match[1]);
796
797         if(is_null($text)){
798                 $a = get_app();
799
800                 $stamp1 = microtime(true);
801
802                 $ch = @curl_init($match[1]);
803                 @curl_setopt($ch, CURLOPT_NOBODY, true);
804                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
805                 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
806                 @curl_exec($ch);
807                 $curl_info = @curl_getinfo($ch);
808
809                 $a->save_timestamp($stamp1, "network");
810
811                 // if its a link to a picture then embed this picture
812                 if (substr($curl_info["content_type"], 0, 6) == "image/")
813                         $text = "[img]".$match[1]."[/img]";
814                 else {
815                         $text = "[img]".$match[2]."[/img]";
816
817                         // if its not a picture then look if its a page that contains a picture link
818                         require_once("include/network.php");
819
820                         $body = fetch_url($match[1]);
821
822                         $doc = new DOMDocument();
823                         @$doc->loadHTML($body);
824                         $xpath = new DomXPath($doc);
825                         $list = $xpath->query("//meta[@name]");
826                         foreach ($list as $node) {
827                                 $attr = array();
828
829                                 if ($node->attributes->length)
830                                         foreach ($node->attributes as $attribute)
831                                                 $attr[$attribute->name] = $attribute->value;
832
833                                 if (strtolower($attr["name"]) == "twitter:image")
834                                         $text = "[img]".$attr["content"]."[/img]";
835                         }
836                 }
837                 Cache::set($match[1],$text);
838         }
839         return($text);
840 }
841
842 function bb_CleanPictureLinks($text) {
843         $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
844         return ($text);
845 }
846
847         // BBcode 2 HTML was written by WAY2WEB.net
848         // extended to work with Mistpark/Friendica - Mike Macgirvin
849
850 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false) {
851
852         $a = get_app();
853
854         // Hide all [noparse] contained bbtags by spacefying them
855         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
856
857         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
858         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
859         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
860
861
862         // Move all spaces out of the tags
863         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
864         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
865
866         // Extract the private images which use data urls since preg has issues with
867         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
868         // in after we've done all the regex matching. We cannot use any preg functions to do this.
869
870         $extracted = bb_extract_images($Text);
871         $Text = $extracted['body'];
872         $saved_image = $extracted['images'];
873
874         // If we find any event code, turn it into an event.
875         // After we're finished processing the bbcode we'll
876         // replace all of the event code with a reformatted version.
877
878         $ev = bbtoevent($Text);
879
880         // Replace any html brackets with HTML Entities to prevent executing HTML or script
881         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
882
883         $Text = str_replace("<", "&lt;", $Text);
884         $Text = str_replace(">", "&gt;", $Text);
885
886         // remove some newlines before the general conversion
887         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
888         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
889
890         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
891         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
892
893         // Rearrange shares to attachments
894         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism", "bb_rearrange_share",$Text);
895
896         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
897         if (!$tryoembed)
898                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
899
900         // Convert new line chars to html <br /> tags
901
902         // nlbr seems to be hopelessly messed up
903         //      $Text = nl2br($Text);
904
905         // We'll emulate it.
906
907         $Text = trim($Text);
908         $Text = str_replace("\r\n","\n", $Text);
909
910         // removing multiplicated newlines
911         if (get_config("system", "remove_multiplicated_lines")) {
912                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n", "\n\n[share ", "[/attachment]\n",
913                                 "\n[h1]", "[/h1]\n", "\n[h2]", "[/h2]\n", "\n[h3]", "[/h3]\n", "\n[h4]", "[/h4]\n", "\n[h5]", "[/h5]\n", "\n[h6]", "[/h6]\n");
914                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ", "[/attachment]",
915                                 "[h1]", "[/h1]", "[h2]", "[/h2]", "[h3]", "[/h3]", "[h4]", "[/h4]", "[h5]", "[/h5]", "[h6]", "[/h6]");
916                 do {
917                         $oldtext = $Text;
918                         $Text = str_replace($search, $replace, $Text);
919                 } while ($oldtext != $Text);
920         }
921
922         // Handle attached links or videos
923         $Text = bb_attachment($Text, $simplehtml, $tryoembed);
924
925         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
926
927         if($preserve_nl)
928                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
929
930         // Set up the parameters for a URL search string
931         $URLSearchString = "^\[\]";
932         // Set up the parameters for a MAIL search string
933         $MAILSearchString = $URLSearchString;
934
935         // Remove all hashtag addresses
936         if ((!$tryoembed OR $simplehtml) AND !in_array($simplehtml, array(3, 7)))
937                 $Text = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
938         elseif ($simplehtml == 3)
939                 $Text = preg_replace("/([@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
940                         '$1<a href="$2">$3</a>',
941                         $Text);
942         elseif ($simplehtml == 7)
943                 $Text = preg_replace("/([@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
944                         '$1<span class="vcard"><a href="$2" class="url" title="$3"><span class="fn nickname mention">$3</span></a></span>',
945                         $Text);
946
947
948         // Bookmarks in red - will be converted to bookmarks in friendica
949         $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
950         $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
951         $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
952                                 "[bookmark=$1]$2[/bookmark]", $Text);
953
954         if (in_array($simplehtml, array(2, 6, 7, 8, 9))) {
955                 $Text = preg_replace_callback("/([^#@])\[url\=([^\]]*)\](.*?)\[\/url\]/ism","bb_expand_links",$Text);
956                 //$Text = preg_replace("/[^#@]\[url\=([^\]]*)\](.*?)\[\/url\]/ism",' $2 [url]$1[/url]',$Text);
957                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",' $2 [url]$1[/url]',$Text);
958         }
959
960         if ($simplehtml == 5)
961                 $Text = preg_replace("/[^#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
962
963         // Perform URL Search
964         if ($tryoembed)
965                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'tryoembed',$Text);
966
967         if ($simplehtml == 5)
968                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url]$1[/url]',$Text);
969         else
970                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
971
972         // Handle Diaspora posts
973         $Text = preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi", 'bb_DiasporaLinks', $Text);
974
975         // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
976 //      if ($simplehtml != 7) {
977                 if (!$forplaintext)
978                         $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
979                 else {
980                         $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism"," $1 ",$Text);
981                         $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
982                 }
983 //      }
984
985         if ($tryoembed)
986                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
987
988         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
989         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
990         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
991
992         // Red compatibility, though the link can't be authenticated on Friendica
993         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
994
995
996         // we may need to restrict this further if it picks up too many strays
997         // link acct:user@host to a webfinger profile redirector
998
999         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
1000                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
1001
1002         // Perform MAIL Search
1003         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
1004         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
1005
1006         // leave open the posibility of [map=something]
1007         // this is replaced in prepare_body() which has knowledge of the item location
1008
1009         if (strpos($Text,'[/map]') !== false) {
1010                 $Text = preg_replace_callback("/\[map\](.*?)\[\/map\]/ism", 'bb_map_location', $Text);
1011         }
1012         if (strpos($Text,'[map=') !== false) {
1013                 $Text = preg_replace_callback("/\[map=(.*?)\]/ism", 'bb_map_coords', $Text);
1014         }
1015         if (strpos($Text,'[map]') !== false) {
1016                 $Text = preg_replace("/\[map\]/", '<div class="map"></div>', $Text);
1017         }
1018
1019         // Check for headers
1020         $Text = preg_replace("(\[h1\](.*?)\[\/h1\])ism",'<h1>$1</h1>',$Text);
1021         $Text = preg_replace("(\[h2\](.*?)\[\/h2\])ism",'<h2>$1</h2>',$Text);
1022         $Text = preg_replace("(\[h3\](.*?)\[\/h3\])ism",'<h3>$1</h3>',$Text);
1023         $Text = preg_replace("(\[h4\](.*?)\[\/h4\])ism",'<h4>$1</h4>',$Text);
1024         $Text = preg_replace("(\[h5\](.*?)\[\/h5\])ism",'<h5>$1</h5>',$Text);
1025         $Text = preg_replace("(\[h6\](.*?)\[\/h6\])ism",'<h6>$1</h6>',$Text);
1026
1027         // Check for bold text
1028         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
1029
1030         // Check for Italics text
1031         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
1032
1033         // Check for Underline text
1034         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
1035
1036         // Check for strike-through text
1037         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
1038
1039         // Check for over-line text
1040         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
1041
1042         // Check for colored text
1043         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
1044
1045         // Check for sized text
1046         // [size=50] --> font-size: 50px (with the unit).
1047         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px; line-height: initial;\">$2</span>",$Text);
1048         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1; line-height: initial;\">$2</span>",$Text);
1049
1050         // Check for centered text
1051         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
1052
1053         // Check for list text
1054         $Text = str_replace("[*]", "<li>", $Text);
1055
1056         // Check for style sheet commands
1057         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
1058
1059         // Check for CSS classes
1060         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
1061
1062         // handle nested lists
1063         $endlessloop = 0;
1064
1065         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
1066                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
1067                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
1068                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
1069                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
1070                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
1071                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
1072                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
1073                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
1074                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
1075                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
1076                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
1077                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
1078                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
1079         }
1080
1081         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
1082         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
1083         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
1084         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
1085
1086         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
1087         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
1088
1089         $Text = str_replace('[hr]','<hr />', $Text);
1090
1091         // This is actually executed in prepare_body()
1092
1093         $Text = str_replace('[nosmile]','',$Text);
1094
1095         // Check for font change text
1096         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
1097
1098         // Declare the format for [code] layout
1099
1100 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
1101
1102         $CodeLayout = '<code>$1</code>';
1103         // Check for [code] text
1104         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
1105
1106         // Declare the format for [spoiler] layout
1107         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
1108
1109         // Check for [spoiler] text
1110         // handle nested quotes
1111         $endlessloop = 0;
1112         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
1113                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
1114
1115         // Check for [spoiler=Author] text
1116
1117         $t_wrote = t('$1 wrote:');
1118
1119         // handle nested quotes
1120         $endlessloop = 0;
1121         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
1122                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
1123                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
1124                                      $Text);
1125
1126         // Declare the format for [quote] layout
1127         $QuoteLayout = '<blockquote>$1</blockquote>';
1128
1129         // Check for [quote] text
1130         // handle nested quotes
1131         $endlessloop = 0;
1132         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
1133                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
1134
1135         // Check for [quote=Author] text
1136
1137         $t_wrote = t('$1 wrote:');
1138
1139         // handle nested quotes
1140         $endlessloop = 0;
1141         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
1142                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1143                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
1144                                      $Text);
1145
1146
1147         // [img=widthxheight]image source[/img]
1148         $Text = preg_replace_callback("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", 'bb_PictureCacheExt', $Text);
1149
1150         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
1151         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
1152
1153         // Images
1154         // [img]pathtoimage[/img]
1155         $Text = preg_replace_callback("/\[img\](.*?)\[\/img\]/ism", 'bb_PictureCache', $Text);
1156
1157         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1158         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1159
1160         // Shared content
1161         $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
1162                 function ($match) use ($simplehtml){
1163                         return(bb_ShareAttributes($match, $simplehtml));
1164                 },$Text);
1165
1166         $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);
1167         $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 />', $Text);
1168         //$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 />', $Text);
1169
1170
1171         // Try to Oembed
1172         if ($tryoembed) {
1173                 $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);
1174                 $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);
1175
1176                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
1177                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
1178         } else {
1179                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
1180                                         '<a href="$1" target="_blank">$1</a>', $Text);
1181                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
1182                                         '<a href="$1" target="_blank">$1</a>', $Text);
1183         }
1184
1185         // html5 video and audio
1186
1187
1188         if ($tryoembed)
1189                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
1190         else
1191                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
1192
1193         // Youtube extensions
1194         if ($tryoembed) {
1195                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1196                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1197                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
1198         }
1199
1200         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1201         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1202         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1203
1204         if ($tryoembed)
1205                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="https://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
1206         else
1207                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1208                                         '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
1209
1210         if ($tryoembed) {
1211                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
1212                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
1213         }
1214
1215         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1216         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1217
1218         if ($tryoembed)
1219                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="https://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
1220         else
1221                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1222                                         '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1223
1224 //      $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);
1225
1226         // oembed tag
1227         $Text = oembed_bbcode2html($Text);
1228
1229         // Avoid triple linefeeds through oembed
1230         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1231
1232         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1233         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1234         // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1235         // start which is always required). Allow desc with a missing summary for compatibility.
1236
1237         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
1238                 $sub = format_event_html($ev, $simplehtml);
1239
1240                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
1241                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
1242                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
1243                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
1244                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
1245                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
1246         }
1247
1248
1249         //replace oneliner <code> with <key>
1250         $Text = preg_replace_callback("|(?!<br[^>]*>)<code>([^<]*)</code>(?!<br[^>]*>)|ism", 'bb_onelinecode_cb', $Text);
1251
1252         // Unhide all [noparse] contained bbtags unspacefying them
1253         // and triming the [noparse] tag.
1254
1255         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
1256         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
1257         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
1258
1259
1260         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
1261         $Text = preg_replace('/\&\#039\;/','\'',$Text);
1262         $Text = preg_replace('/\&quot\;/','"',$Text);
1263
1264         // fix any escaped ampersands that may have been converted into links
1265         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
1266         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|gopher|cid)(.*?)\>/ism",'<$1$2="">',$Text);
1267
1268         if($saved_image)
1269                 $Text = bb_replace_images($Text, $saved_image);
1270
1271         // Clean up the HTML by loading and saving the HTML with the DOM.
1272         // Bad structured html can break a whole page.
1273         // For performance reasons do it only with ativated item cache or at export.
1274         if (!$tryoembed OR (get_itemcachepath() != "")) {
1275                 $doc = new DOMDocument();
1276                 $doc->preserveWhiteSpace = false;
1277
1278                 $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1279
1280                 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1281                 $encoding = '<?xml encoding="UTF-8">';
1282                 @$doc->loadHTML($encoding.$doctype."<html><body>".$Text."</body></html>");
1283                 $doc->encoding = 'UTF-8';
1284                 $Text = $doc->saveHTML();
1285                 $Text = str_replace(array("<html><body>", "</body></html>", $doctype, $encoding), array("", "", "", ""), $Text);
1286
1287                 $Text = str_replace('<br></li>','</li>', $Text);
1288
1289                 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1290         }
1291
1292         // Clean up some useless linebreaks in lists
1293         //$Text = str_replace('<br /><ul','<ul ', $Text);
1294         //$Text = str_replace('</ul><br />','</ul>', $Text);
1295         //$Text = str_replace('</li><br />','</li>', $Text);
1296         //$Text = str_replace('<br /><li>','<li>', $Text);
1297         //      $Text = str_replace('<br /><ul','<ul ', $Text);
1298
1299         call_hooks('bbcode',$Text);
1300
1301         return trim($Text);
1302 }
1303 ?>