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 (!is_object($o))
 315                 return $match[0];
 316
 317         if (isset($match[2]))
 318                 $o->title = $match[2];
 319
 320         if ($o->type=="error") return $match[0];
 321
 322         $html = oembed_format_object($o);
 323         return $html;
 324
 325 }
 326
 327 // [noparse][i]italic[/i][/noparse] turns into
 328 // [noparse][ i ]italic[ /i ][/noparse],
 329 // to hide them from parser.
 330
 331 function bb_spacefy($st) {
 332   $whole_match = $st[0];
 333   $captured = $st[1];
 334   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
 335   $new_str = str_replace($captured, $spacefied, $whole_match);
 336   return $new_str;
 337 }
 338
 339 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
 340 // now turns back and the [noparse] tags are trimed
 341 // returning [i]italic[/i]
 342
 343 function bb_unspacefy_and_trim($st) {
 344   $whole_match = $st[0];
 345   $captured = $st[1];
 346   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
 347   return $unspacefied;
 348 }
 349
 350 function bb_find_open_close($s, $open, $close, $occurance = 1) {
 351
 352         if($occurance < 1)
 353                 $occurance = 1;
 354
 355         $start_pos = -1;
 356         for($i = 1; $i <= $occurance; $i++) {
 357                 if( $start_pos !== false)
 358                         $start_pos = strpos($s, $open, $start_pos + 1);
 359         }
 360
 361         if( $start_pos === false)
 362                 return false;
 363
 364         $end_pos = strpos($s, $close, $start_pos);
 365
 366         if( $end_pos === false)
 367                 return false;
 368
 369         $res = array( 'start' => $start_pos, 'end' => $end_pos );
 370
 371         return $res;
 372 }
 373
 374 function get_bb_tag_pos($s, $name, $occurance = 1) {
 375
 376         if($occurance < 1)
 377                 $occurance = 1;
 378
 379         $start_open = -1;
 380         for($i = 1; $i <= $occurance; $i++) {
 381                 if( $start_open !== false)
 382                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
 383         }
 384
 385         if( $start_open === false)
 386                 return false;
 387
 388         $start_equal = strpos($s, '=', $start_open);
 389         $start_close = strpos($s, ']', $start_open);
 390
 391         if( $start_close === false)
 392                 return false;
 393
 394         $start_close++;
 395
 396         $end_open = strpos($s, '[/' . $name . ']', $start_close);
 397
 398         if( $end_open === false)
 399                 return false;
 400
 401         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
 402                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
 403         if( $start_equal !== false)
 404                 $res['start']['equal'] = $start_equal + 1;
 405
 406         return $res;
 407 }
 408
 409 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
 410
 411         $string = $s;
 412
 413         $occurance = 1;
 414         $pos = get_bb_tag_pos($string, $name, $occurance);
 415         while($pos !== false && $occurance < 1000) {
 416
 417                 $start = substr($string, 0, $pos['start']['open']);
 418                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
 419                 $end = substr($string, $pos['end']['close']);
 420                 if($end === false)
 421                         $end = '';
 422
 423                 $subject = preg_replace($pattern, $replace, $subject);
 424                 $string = $start . $subject . $end;
 425
 426                 $occurance++;
 427                 $pos = get_bb_tag_pos($string, $name, $occurance);
 428         }
 429
 430         return $string;
 431 }
 432
 433 if(! function_exists('bb_extract_images')) {
 434 function bb_extract_images($body) {
 435
 436         $saved_image = array();
 437         $orig_body = $body;
 438         $new_body = '';
 439
 440         $cnt = 0;
 441         $img_start = strpos($orig_body, '[img');
 442         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 443         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 444         while(($img_st_close !== false) && ($img_end !== false)) {
 445
 446                 $img_st_close++; // make it point to AFTER the closing bracket
 447                 $img_end += $img_start;
 448
 449                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
 450                         // This is an embedded image
 451
 452                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
 453                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
 454
 455                         $cnt++;
 456                 }
 457                 else
 458                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
 459
 460                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
 461
 462                 if($orig_body === false) // in case the body ends on a closing image tag
 463                         $orig_body = '';
 464
 465                 $img_start = strpos($orig_body, '[img');
 466                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 467                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 468         }
 469
 470         $new_body = $new_body . $orig_body;
 471
 472         return array('body' => $new_body, 'images' => $saved_image);
 473 }}
 474
 475 if(! function_exists('bb_replace_images')) {
 476 function bb_replace_images($body, $images) {
 477
 478         $newbody = $body;
 479
 480         $cnt = 0;
 481         foreach($images as $image) {
 482                 // We're depending on the property of 'foreach' (specified on the PHP website) that
 483                 // it loops over the array starting from the first element and going sequentially
 484                 // to the last element
 485                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . proxy_url($image) .'" alt="' . t('Image/photo') . '" />', $newbody);
 486                 $cnt++;
 487         }
 488
 489         return $newbody;
 490 }}
 491
 492 function bb_ShareAttributes($share, $simplehtml) {
 493         $attributes = $share[2];
 494
 495         $author = "";
 496         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 497         if ($matches[1] != "")
 498                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 499
 500         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 501         if ($matches[1] != "")
 502                 $author = $matches[1];
 503
 504         $profile = "";
 505         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 506         if ($matches[1] != "")
 507                 $profile = $matches[1];
 508
 509         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 510         if ($matches[1] != "")
 511                 $profile = $matches[1];
 512
 513         $avatar = "";
 514         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 515         if ($matches[1] != "")
 516                 $avatar = $matches[1];
 517
 518         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 519         if ($matches[1] != "")
 520                 $avatar = $matches[1];
 521
 522         $link = "";
 523         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 524         if ($matches[1] != "")
 525                 $link = $matches[1];
 526
 527         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 528         if ($matches[1] != "")
 529                 $link = $matches[1];
 530
 531         $posted = "";
 532
 533         $itemcache = get_itemcachepath();
 534
 535         // relative dates only make sense when they aren't cached
 536         if ($itemcache == "") {
 537                 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
 538                 if ($matches[1] != "")
 539                         $posted = $matches[1];
 540
 541                 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
 542                 if ($matches[1] != "")
 543                         $posted = $matches[1];
 544
 545                 $reldate = (($posted) ? " " . relative_date($posted) : '');
 546         }
 547
 548         $data = get_contact_details_by_url($profile);
 549
 550         if (isset($data["name"]) AND isset($data["addr"]))
 551                 $userid_compact = $data["name"]." (".$data["addr"].")";
 552         else
 553                 $userid_compact = GetProfileUsername($profile,$author, true);
 554
 555         if (isset($data["addr"]))
 556                 $userid = $data["addr"];
 557         else
 558                 $userid = GetProfileUsername($profile,$author, false);
 559
 560         if (isset($data["name"]))
 561                 $author = $data["name"];
 562
 563         if (isset($data["photo"]))
 564                 $avatar = $data["photo"];
 565
 566         $preshare = trim($share[1]);
 567
 568         if ($preshare != "")
 569                 $preshare .= "<br /><br />";
 570
 571         switch ($simplehtml) {
 572                 case 1:
 573                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$share[3]."«";
 574                         break;
 575                 case 2:
 576                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
 577                         break;
 578                 case 3: // Diaspora
 579                         $headline .= '<b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$userid.':</b><br />';
 580
 581                         $text = trim($share[1]);
 582
 583                         if ($text != "")
 584                                 $text .= "<hr />";
 585
 586                         if (substr(normalise_link($link), 0, 19) != "http://twitter.com/") {
 587                                 $text .= $headline.'<blockquote>'.trim($share[3])."</blockquote><br />";
 588
 589                                 if ($link != "")
 590                                         $text .= '<br /><a href="'.$link.'">[l]</a>';
 591                         } else
 592                                 $text .= '<br /><a href="'.$link.'">'.$link.'</a>';
 593
 594                         break;
 595                 case 4:
 596                         $headline = '<div class="shared_header">';
 597                         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 598                         $headline .= sprintf(t('<a href="%1$s" target="_blank">%2$s</a> %3$s'), $link, $userid, $posted);
 599                         $headline .= ":</b></span></div>";
 600
 601                         $text = trim($share[1]);
 602
 603                         if ($text != "")
 604                                 $text .= "<hr />";
 605
 606                         $text .= $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote><br />";
 607
 608                         break;
 609                 case 5:
 610                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
 611                         break;
 612                 case 6: // app.net
 613                         $text = $preshare."&gt;&gt; @".$userid_compact.": <br />".$share[3];
 614                         break;
 615                 case 7: // statusnet/GNU Social
 616                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8')." @".$userid_compact.": ".$share[3];
 617                         break;
 618                 case 8: // twitter
 619                         $text = $preshare."RT @".$userid_compact.": ".$share[3];
 620                         break;
 621                 case 9: // Google+/Facebook
 622                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
 623
 624                         if ($link != "")
 625                                 $text .= "<br /><br />".$link;
 626                         break;
 627                 default:
 628                         $headline = trim($share[1]).'<div class="shared_header">';
 629                         if ($avatar != "")
 630                                 $headline .= '<img src="'.proxy_url($avatar, false, PROXY_SIZE_MICRO).'" height="32" width="32" >';
 631
 632                         $headline .= sprintf(t('<span><a href="%s" target="_blank">%s</a> wrote the following <a href="%s" target="_blank">post</a>'.$reldate.':</span>'), $profile, $author, $link);
 633                         $headline .= "</div>";
 634                         $text = $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote>";
 635                         break;
 636         }
 637         return($text);
 638 }
 639
 640 function GetProfileUsername($profile, $username, $compact = false, $getnetwork = false) {
 641
 642         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
 643         if ($twitter != $profile) {
 644                 if ($getnetwork)
 645                         return(NETWORK_TWITTER);
 646                 elseif ($compact)
 647                         return($twitter);
 648                 else
 649                         return($username." (".$twitter.")");
 650         }
 651
 652         $appnet = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1@alpha.app.net", $profile);
 653         if ($appnet != $profile) {
 654                 if ($getnetwork)
 655                         return(NETWORK_APPNET);
 656                 elseif ($compact)
 657                         return($appnet);
 658                 else
 659                         return($username." (".$appnet.")");
 660         }
 661
 662         $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
 663         if ($gplus != $profile) {
 664                 if ($getnetwork)
 665                         return(NETWORK_GPLUS);
 666                 elseif ($compact)
 667                         return($gplususername." (".$username.")");
 668                 else
 669                         return($username." (".$gplus.")");
 670         }
 671
 672         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
 673         if ($friendica != $profile) {
 674                 if ($getnetwork)
 675                         return(NETWORK_DFRN);
 676                 elseif ($compact)
 677                         return($friendica);
 678                 else
 679                         return($username." (".$friendica.")");
 680         }
 681
 682         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
 683         if ($diaspora != $profile) {
 684                 if ($getnetwork)
 685                         return(NETWORK_DIASPORA);
 686                 elseif ($compact)
 687                         return($diaspora);
 688                 else
 689                         return($username." (".$diaspora.")");
 690         }
 691
 692         $red = preg_replace("=https?://(.*)/channel/(.*)=ism", "$2@$1", $profile);
 693         if ($red != $profile) {
 694                 if ($getnetwork)
 695                         // red is identified as Diaspora - friendica can't connect directly to it
 696                         return(NETWORK_DIASPORA);
 697                 elseif ($compact)
 698                         return($red);
 699                 else
 700                         return($username." (".$red.")");
 701         }
 702
 703         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
 704         if ($StatusnetHost != $profile) {
 705                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
 706                 if ($StatusnetUser != $profile) {
 707                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
 708                         $user = json_decode($UserData);
 709                         if ($user) {
 710                                 if ($getnetwork)
 711                                         return(NETWORK_STATUSNET);
 712                                 elseif ($compact)
 713                                         return($user->screen_name."@".$StatusnetHost);
 714                                 else
 715                                         return($username." (".$user->screen_name."@".$StatusnetHost.")");
 716                         }
 717                 }
 718         }
 719
 720         // pumpio (http://host.name/user)
 721         $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
 722         if ($rest == "") {
 723                 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$2@$1", $profile);
 724                 if ($pumpio != $profile) {
 725                         if ($getnetwork)
 726                                 return(NETWORK_PUMPIO);
 727                         elseif ($compact)
 728                                 return($pumpio);
 729                         else
 730                                 return($username." (".$pumpio.")");
 731                 }
 732         }
 733
 734         return($username);
 735 }
 736
 737 function bb_DiasporaLinks($match) {
 738         $a = get_app();
 739
 740         return "[url=".$a->get_baseurl()."/display/".$match[1]."]".$match[2]."[/url]";
 741 }
 742
 743 function bb_RemovePictureLinks($match) {
 744         $text = Cache::get($match[1]);
 745
 746         if(is_null($text)){
 747                 $a = get_app();
 748
 749                 $stamp1 = microtime(true);
 750
 751                 $ch = @curl_init($match[1]);
 752                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 753                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 754                 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
 755                 @curl_exec($ch);
 756                 $curl_info = @curl_getinfo($ch);
 757
 758                 $a->save_timestamp($stamp1, "network");
 759
 760                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 761                         $text = "[url=".$match[1]."]".$match[1]."[/url]";
 762                 else {
 763                         $text = "[url=".$match[2]."]".$match[2]."[/url]";
 764
 765                         // if its not a picture then look if its a page that contains a picture link
 766                         require_once("include/network.php");
 767
 768                         $body = fetch_url($match[1]);
 769
 770                         $doc = new DOMDocument();
 771                         @$doc->loadHTML($body);
 772                         $xpath = new DomXPath($doc);
 773                         $list = $xpath->query("//meta[@name]");
 774                         foreach ($list as $node) {
 775                                 $attr = array();
 776
 777                                 if ($node->attributes->length)
 778                                         foreach ($node->attributes as $attribute)
 779                                                 $attr[$attribute->name] = $attribute->value;
 780
 781                                 if (strtolower($attr["name"]) == "twitter:image")
 782                                         $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
 783                         }
 784                 }
 785                 Cache::set($match[1],$text);
 786         }
 787         return($text);
 788 }
 789
 790 function bb_expand_links($match) {
 791         if (($match[3] == "") OR ($match[2] == $match[3]) OR stristr($match[2], $match[3]))
 792                 return ($match[1]."[url]".$match[2]."[/url]");
 793         else
 794                 return ($match[1].$match[3]." [url]".$match[2]."[/url]");
 795 }
 796
 797 function bb_CleanPictureLinksSub($match) {
 798         $text = Cache::get($match[1]);
 799
 800         if(is_null($text)){
 801                 $a = get_app();
 802
 803                 $stamp1 = microtime(true);
 804
 805                 $ch = @curl_init($match[1]);
 806                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 807                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 808                 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
 809                 @curl_exec($ch);
 810                 $curl_info = @curl_getinfo($ch);
 811
 812                 $a->save_timestamp($stamp1, "network");
 813
 814                 // if its a link to a picture then embed this picture
 815                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 816                         $text = "[img]".$match[1]."[/img]";
 817                 else {
 818                         $text = "[img]".$match[2]."[/img]";
 819
 820                         // if its not a picture then look if its a page that contains a picture link
 821                         require_once("include/network.php");
 822
 823                         $body = fetch_url($match[1]);
 824
 825                         $doc = new DOMDocument();
 826                         @$doc->loadHTML($body);
 827                         $xpath = new DomXPath($doc);
 828                         $list = $xpath->query("//meta[@name]");
 829                         foreach ($list as $node) {
 830                                 $attr = array();
 831
 832                                 if ($node->attributes->length)
 833                                         foreach ($node->attributes as $attribute)
 834                                                 $attr[$attribute->name] = $attribute->value;
 835
 836                                 if (strtolower($attr["name"]) == "twitter:image")
 837                                         $text = "[img]".$attr["content"]."[/img]";
 838                         }
 839                 }
 840                 Cache::set($match[1],$text);
 841         }
 842         return($text);
 843 }
 844
 845 function bb_CleanPictureLinks($text) {
 846         $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
 847         return ($text);
 848 }
 849
 850         // BBcode 2 HTML was written by WAY2WEB.net
 851         // extended to work with Mistpark/Friendica - Mike Macgirvin
 852
 853 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false) {
 854
 855         $a = get_app();
 856
 857         // Hide all [noparse] contained bbtags by spacefying them
 858         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
 859
 860         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
 861         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
 862         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 863
 864         // Remove the abstract element. It is a non visible element.
 865         $Text = remove_abstract($Text);
 866
 867         // Move all spaces out of the tags
 868         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
 869         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
 870
 871         // Extract the private images which use data urls since preg has issues with
 872         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
 873         // in after we've done all the regex matching. We cannot use any preg functions to do this.
 874
 875         $extracted = bb_extract_images($Text);
 876         $Text = $extracted['body'];
 877         $saved_image = $extracted['images'];
 878
 879         // If we find any event code, turn it into an event.
 880         // After we're finished processing the bbcode we'll
 881         // replace all of the event code with a reformatted version.
 882
 883         $ev = bbtoevent($Text);
 884
 885         // Replace any html brackets with HTML Entities to prevent executing HTML or script
 886         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
 887
 888         $Text = str_replace("<", "&lt;", $Text);
 889         $Text = str_replace(">", "&gt;", $Text);
 890
 891         // remove some newlines before the general conversion
 892         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
 893         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
 894
 895         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
 896         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
 897
 898         // Rearrange shares to attachments
 899         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism", "bb_rearrange_share",$Text);
 900
 901         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
 902         if (!$tryoembed)
 903                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
 904
 905         // Convert new line chars to html <br /> tags
 906
 907         // nlbr seems to be hopelessly messed up
 908         //      $Text = nl2br($Text);
 909
 910         // We'll emulate it.
 911
 912         $Text = trim($Text);
 913         $Text = str_replace("\r\n","\n", $Text);
 914
 915         // removing multiplicated newlines
 916         if (get_config("system", "remove_multiplicated_lines")) {
 917                 $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",
 918                                 "\n[h1]", "[/h1]\n", "\n[h2]", "[/h2]\n", "\n[h3]", "[/h3]\n", "\n[h4]", "[/h4]\n", "\n[h5]", "[/h5]\n", "\n[h6]", "[/h6]\n");
 919                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ", "[/attachment]",
 920                                 "[h1]", "[/h1]", "[h2]", "[/h2]", "[h3]", "[/h3]", "[h4]", "[/h4]", "[h5]", "[/h5]", "[h6]", "[/h6]");
 921                 do {
 922                         $oldtext = $Text;
 923                         $Text = str_replace($search, $replace, $Text);
 924                 } while ($oldtext != $Text);
 925         }
 926
 927         // Handle attached links or videos
 928         $Text = bb_attachment($Text, $simplehtml, $tryoembed);
 929
 930         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
 931
 932         if($preserve_nl)
 933                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
 934
 935         // Set up the parameters for a URL search string
 936         $URLSearchString = "^\[\]";
 937         // Set up the parameters for a MAIL search string
 938         $MAILSearchString = $URLSearchString;
 939
 940         // Remove all hashtag addresses
 941         if ((!$tryoembed OR $simplehtml) AND !in_array($simplehtml, array(3, 7)))
 942                 $Text = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
 943         elseif ($simplehtml == 3)
 944                 $Text = preg_replace("/([@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
 945                         '$1<a href="$2">$3</a>',
 946                         $Text);
 947         elseif ($simplehtml == 7)
 948                 $Text = preg_replace("/([@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
 949                         '$1<span class="vcard"><a href="$2" class="url" title="$3"><span class="fn nickname mention">$3</span></a></span>',
 950                         $Text);
 951
 952
 953         // Bookmarks in red - will be converted to bookmarks in friendica
 954         $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
 955         $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
 956         $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
 957                                 "[bookmark=$1]$2[/bookmark]", $Text);
 958
 959         if (in_array($simplehtml, array(2, 6, 7, 8, 9))) {
 960                 $Text = preg_replace_callback("/([^#@])\[url\=([^\]]*)\](.*?)\[\/url\]/ism","bb_expand_links",$Text);
 961                 //$Text = preg_replace("/[^#@]\[url\=([^\]]*)\](.*?)\[\/url\]/ism",' $2 [url]$1[/url]',$Text);
 962                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",' $2 [url]$1[/url]',$Text);
 963         }
 964
 965         if ($simplehtml == 5)
 966                 $Text = preg_replace("/[^#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
 967
 968         // Perform URL Search
 969         if ($tryoembed)
 970                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'tryoembed',$Text);
 971
 972         if ($simplehtml == 5)
 973                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url]$1[/url]',$Text);
 974         else
 975                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
 976
 977         // Handle Diaspora posts
 978         $Text = preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi", 'bb_DiasporaLinks', $Text);
 979
 980         // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
 981 //      if ($simplehtml != 7) {
 982                 if (!$forplaintext)
 983                         $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
 984                 else {
 985                         $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism"," $1 ",$Text);
 986                         $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
 987                 }
 988 //      }
 989
 990         if ($tryoembed)
 991                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
 992
 993         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
 994         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 995         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 996
 997         // Red compatibility, though the link can't be authenticated on Friendica
 998         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 999
1000
1001         // we may need to restrict this further if it picks up too many strays
1002         // link acct:user@host to a webfinger profile redirector
1003
1004         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
1005                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
1006
1007         // Perform MAIL Search
1008         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
1009         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
1010
1011         // leave open the posibility of [map=something]
1012         // this is replaced in prepare_body() which has knowledge of the item location
1013
1014         if (strpos($Text,'[/map]') !== false) {
1015                 $Text = preg_replace_callback("/\[map\](.*?)\[\/map\]/ism", 'bb_map_location', $Text);
1016         }
1017         if (strpos($Text,'[map=') !== false) {
1018                 $Text = preg_replace_callback("/\[map=(.*?)\]/ism", 'bb_map_coords', $Text);
1019         }
1020         if (strpos($Text,'[map]') !== false) {
1021                 $Text = preg_replace("/\[map\]/", '<div class="map"></div>', $Text);
1022         }
1023
1024         // Check for headers
1025         $Text = preg_replace("(\[h1\](.*?)\[\/h1\])ism",'<h1>$1</h1>',$Text);
1026         $Text = preg_replace("(\[h2\](.*?)\[\/h2\])ism",'<h2>$1</h2>',$Text);
1027         $Text = preg_replace("(\[h3\](.*?)\[\/h3\])ism",'<h3>$1</h3>',$Text);
1028         $Text = preg_replace("(\[h4\](.*?)\[\/h4\])ism",'<h4>$1</h4>',$Text);
1029         $Text = preg_replace("(\[h5\](.*?)\[\/h5\])ism",'<h5>$1</h5>',$Text);
1030         $Text = preg_replace("(\[h6\](.*?)\[\/h6\])ism",'<h6>$1</h6>',$Text);
1031
1032         // Check for bold text
1033         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
1034
1035         // Check for Italics text
1036         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
1037
1038         // Check for Underline text
1039         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
1040
1041         // Check for strike-through text
1042         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
1043
1044         // Check for over-line text
1045         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
1046
1047         // Check for colored text
1048         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
1049
1050         // Check for sized text
1051         // [size=50] --> font-size: 50px (with the unit).
1052         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px; line-height: initial;\">$2</span>",$Text);
1053         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1; line-height: initial;\">$2</span>",$Text);
1054
1055         // Check for centered text
1056         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
1057
1058         // Check for list text
1059         $Text = str_replace("[*]", "<li>", $Text);
1060
1061         // Check for style sheet commands
1062         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
1063
1064         // Check for CSS classes
1065         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
1066
1067         // handle nested lists
1068         $endlessloop = 0;
1069
1070         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
1071                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
1072                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
1073                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
1074                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
1075                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
1076                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
1077                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
1078                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
1079                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
1080                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
1081                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
1082                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
1083                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
1084         }
1085
1086         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
1087         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
1088         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
1089         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
1090
1091         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
1092         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
1093
1094         $Text = str_replace('[hr]','<hr />', $Text);
1095
1096         // This is actually executed in prepare_body()
1097
1098         $Text = str_replace('[nosmile]','',$Text);
1099
1100         // Check for font change text
1101         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
1102
1103         // Declare the format for [code] layout
1104
1105 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
1106
1107         $CodeLayout = '<code>$1</code>';
1108         // Check for [code] text
1109         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
1110
1111         // Declare the format for [spoiler] layout
1112         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
1113
1114         // Check for [spoiler] text
1115         // handle nested quotes
1116         $endlessloop = 0;
1117         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
1118                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
1119
1120         // Check for [spoiler=Author] text
1121
1122         $t_wrote = t('$1 wrote:');
1123
1124         // handle nested quotes
1125         $endlessloop = 0;
1126         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
1127                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
1128                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
1129                                      $Text);
1130
1131         // Declare the format for [quote] layout
1132         $QuoteLayout = '<blockquote>$1</blockquote>';
1133
1134         // Check for [quote] text
1135         // handle nested quotes
1136         $endlessloop = 0;
1137         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
1138                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
1139
1140         // Check for [quote=Author] text
1141
1142         $t_wrote = t('$1 wrote:');
1143
1144         // handle nested quotes
1145         $endlessloop = 0;
1146         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
1147                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1148                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
1149                                      $Text);
1150
1151
1152         // [img=widthxheight]image source[/img]
1153         $Text = preg_replace_callback("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", 'bb_PictureCacheExt', $Text);
1154
1155         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
1156         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
1157
1158         // Images
1159         // [img]pathtoimage[/img]
1160         $Text = preg_replace_callback("/\[img\](.*?)\[\/img\]/ism", 'bb_PictureCache', $Text);
1161
1162         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1163         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1164
1165         // Shared content
1166         $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
1167                 function ($match) use ($simplehtml){
1168                         return(bb_ShareAttributes($match, $simplehtml));
1169                 },$Text);
1170
1171         $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);
1172         $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 />', $Text);
1173         //$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 />', $Text);
1174
1175
1176         // Try to Oembed
1177         if ($tryoembed) {
1178                 $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);
1179                 $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);
1180
1181                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
1182                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
1183         } else {
1184                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
1185                                         '<a href="$1" target="_blank">$1</a>', $Text);
1186                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
1187                                         '<a href="$1" target="_blank">$1</a>', $Text);
1188         }
1189
1190         // html5 video and audio
1191
1192
1193         if ($tryoembed)
1194                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
1195         else
1196                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
1197
1198         // Youtube extensions
1199         if ($tryoembed) {
1200                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1201                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1202                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
1203         }
1204
1205         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1206         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1207         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1208
1209         if ($tryoembed)
1210                 $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);
1211         else
1212                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1213                                         '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
1214
1215         if ($tryoembed) {
1216                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
1217                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
1218         }
1219
1220         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1221         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1222
1223         if ($tryoembed)
1224                 $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);
1225         else
1226                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1227                                         '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1228
1229 //      $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);
1230
1231         // oembed tag
1232         $Text = oembed_bbcode2html($Text);
1233
1234         // Avoid triple linefeeds through oembed
1235         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1236
1237         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1238         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1239         // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1240         // start which is always required). Allow desc with a missing summary for compatibility.
1241
1242         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
1243                 $sub = format_event_html($ev, $simplehtml);
1244
1245                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
1246                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
1247                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
1248                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
1249                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
1250                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
1251         }
1252
1253
1254         //replace oneliner <code> with <key>
1255         $Text = preg_replace_callback("|(?!<br[^>]*>)<code>([^<]*)</code>(?!<br[^>]*>)|ism", 'bb_onelinecode_cb', $Text);
1256
1257         // Unhide all [noparse] contained bbtags unspacefying them
1258         // and triming the [noparse] tag.
1259
1260         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
1261         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
1262         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
1263
1264
1265         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
1266         $Text = preg_replace('/\&\#039\;/','\'',$Text);
1267         $Text = preg_replace('/\&quot\;/','"',$Text);
1268
1269         // fix any escaped ampersands that may have been converted into links
1270         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
1271         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|gopher|cid)(.*?)\>/ism",'<$1$2="">',$Text);
1272
1273         if($saved_image)
1274                 $Text = bb_replace_images($Text, $saved_image);
1275
1276         // Clean up the HTML by loading and saving the HTML with the DOM.
1277         // Bad structured html can break a whole page.
1278         // For performance reasons do it only with ativated item cache or at export.
1279         if (!$tryoembed OR (get_itemcachepath() != "")) {
1280                 $doc = new DOMDocument();
1281                 $doc->preserveWhiteSpace = false;
1282
1283                 $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1284
1285                 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1286                 $encoding = '<?xml encoding="UTF-8">';
1287                 @$doc->loadHTML($encoding.$doctype."<html><body>".$Text."</body></html>");
1288                 $doc->encoding = 'UTF-8';
1289                 $Text = $doc->saveHTML();
1290                 $Text = str_replace(array("<html><body>", "</body></html>", $doctype, $encoding), array("", "", "", ""), $Text);
1291
1292                 $Text = str_replace('<br></li>','</li>', $Text);
1293
1294                 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1295         }
1296
1297         // Clean up some useless linebreaks in lists
1298         //$Text = str_replace('<br /><ul','<ul ', $Text);
1299         //$Text = str_replace('</ul><br />','</ul>', $Text);
1300         //$Text = str_replace('</li><br />','</li>', $Text);
1301         //$Text = str_replace('<br /><li>','<li>', $Text);
1302         //      $Text = str_replace('<br /><ul','<ul ', $Text);
1303
1304         call_hooks('bbcode',$Text);
1305
1306         return trim($Text);
1307 }
1308
1309 /**
1310  * @brief Removes the "abstract" element from the text
1311  *
1312  * @param string $text The text with BBCode
1313  * @return string The same text - but without "abstract" element
1314  */
1315 function remove_abstract($text) {
1316         $text = preg_replace("/[\s|\n]*\[abstract\].*?\[\/abstract\][\s|\n]*/ism", '', $text);
1317         $text = preg_replace("/[\s|\n]*\[abstract=.*?\].*?\[\/abstract][\s|\n]*/ism", '', $text);
1318
1319         return $text;
1320 }
1321
1322 /**
1323  * @brief Returns the value of the "abstract" element
1324  *
1325  * @param string $text The text that maybe contains the element
1326  * @param string $addon The addon for which the abstract is meant for
1327  * @return string The abstract
1328  */
1329 function fetch_abstract($text, $addon = "") {
1330         $abstract = "";
1331         $abstracts = array();
1332         $addon = strtolower($addon);
1333
1334         if (preg_match_all("/\[abstract=(.*?)\](.*?)\[\/abstract\]/ism",$text, $results, PREG_SET_ORDER))
1335                 foreach ($results AS $result)
1336                         $abstracts[strtolower($result[1])] = $result[2];
1337
1338         if (isset($abstracts[$addon]))
1339                 $abstract = $abstracts[$addon];
1340
1341         if ($abstract == "")
1342                 if (preg_match("/\[abstract\](.*?)\[\/abstract\]/ism",$text, $result))
1343                         $abstract = $result[1];
1344
1345         return $abstract;
1346 }
1347 ?>