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