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