functions/imap_messages.php

   1 <?php
   2
   3 /**
   4  * imap_messages.php
   5  *
   6  * Copyright (c) 1999-2003 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This implements functions that manipulate messages
  10  *
  11  * $Id$
  12  */
  13
  14 /* NOTE: quite some functions in this file are not used anymore. */
  15
  16 /* Copies specified messages to specified folder */
  17 /* obsolete */
  18 function sqimap_messages_copy ($imap_stream, $start, $end, $mailbox) {
  19     global $uid_support;
  20     $read = sqimap_run_command ($imap_stream, "COPY $start:$end " . sqimap_encode_mailbox_name($mailbox), true, $response, $message, $uid_support);
  21 }
  22
  23 function sqimap_msgs_list_copy ($imap_stream, $id, $mailbox) {
  24     global $uid_support;
  25     $msgs_id = sqimap_message_list_squisher($id);
  26     $read = sqimap_run_command ($imap_stream, "COPY $msgs_id " . sqimap_encode_mailbox_name($mailbox), true, $response, $message, $uid_support);
  27     $read = sqimap_run_command ($imap_stream, "STORE $msgs_id +FLAGS (\\Deleted)", true, $response, $message, $uid_support);
  28 }
  29
  30
  31 /* Deletes specified messages and moves them to trash if possible */
  32 /* obsolete */
  33 function sqimap_messages_delete ($imap_stream, $start, $end, $mailbox) {
  34     global $move_to_trash, $trash_folder, $auto_expunge, $uid_support;
  35
  36     if (($move_to_trash == true) && (sqimap_mailbox_exists($imap_stream, $trash_folder) && ($mailbox != $trash_folder))) {
  37         sqimap_messages_copy ($imap_stream, $start, $end, $trash_folder);
  38     }
  39     sqimap_messages_flag ($imap_stream, $start, $end, "Deleted", true);
  40 }
  41
  42 function sqimap_msgs_list_delete ($imap_stream, $mailbox, $id) {
  43     global $move_to_trash, $trash_folder, $uid_support;
  44     $msgs_id = sqimap_message_list_squisher($id);
  45     if (($move_to_trash == true) && (sqimap_mailbox_exists($imap_stream, $trash_folder) && ($mailbox != $trash_folder))) {
  46         $read = sqimap_run_command ($imap_stream, "COPY $msgs_id " . sqimap_encode_mailbox_name($trash_folder), true, $response, $message, $uid_support);
  47     }
  48     $read = sqimap_run_command ($imap_stream, "STORE $msgs_id +FLAGS (\\Deleted)", true, $response, $message, $uid_support);
  49 }
  50
  51
  52 /* Sets the specified messages with specified flag */
  53 function sqimap_messages_flag ($imap_stream, $start, $end, $flag, $handle_errors) {
  54     global $uid_support;
  55     $read = sqimap_run_command ($imap_stream, "STORE $start:$end +FLAGS (\\$flag)", $handle_errors, $response, $message, $uid_support);
  56 }
  57
  58 /* Remove specified flag from specified messages */
  59 function sqimap_messages_remove_flag ($imap_stream, $start, $end, $flag, $handle_errors) {
  60     global $uid_support;
  61     $read = sqimap_run_command ($imap_stream, "STORE $start:$end -FLAGS (\\$flag)", $handle_errors, $response, $message, $uid_support);
  62 }
  63
  64 function sqimap_toggle_flag($imap_stream, $id, $flag, $set, $handle_errors) {
  65     global $uid_support;
  66     $msgs_id = sqimap_message_list_squisher($id);
  67     $set_string = ($set ? '+' : '-');
  68     $read = sqimap_run_command ($imap_stream, "STORE $msgs_id ".$set_string."FLAGS ($flag)", $handle_errors, $response, $message, $uid_support);
  69 }
  70
  71 // obsolete?
  72 function sqimap_get_small_header ($imap_stream, $id, $sent) {
  73     $res = sqimap_get_small_header_list($imap_stream, $id, $sent);
  74     return $res[0];
  75 }
  76
  77 /*
  78  * Sort the message list and crunch to be as small as possible
  79  * (overflow could happen, so make it small if possible)
  80  */
  81 function sqimap_message_list_squisher($messages_array) {
  82     if( !is_array( $messages_array ) ) {
  83         return $messages_array;
  84     }
  85
  86     sort($messages_array, SORT_NUMERIC);
  87     $msgs_str = '';
  88     while ($messages_array) {
  89         $start = array_shift($messages_array);
  90         $end = $start;
  91         while (isset($messages_array[0]) && $messages_array[0] == $end + 1) {
  92             $end = array_shift($messages_array);
  93         }
  94         if ($msgs_str != '') {
  95             $msgs_str .= ',';
  96         }
  97         $msgs_str .= $start;
  98         if ($start != $end) {
  99             $msgs_str .= ':' . $end;
 100         }
 101     }
 102     return $msgs_str;
 103 }
 104
 105 /* returns the references header lines */
 106 function get_reference_header ($imap_stream, $message) {
 107     global $uid_support;
 108     $responses = array ();
 109     $results = array();
 110     $references = "";
 111     $responses = sqimap_run_command_list ($imap_stream, "FETCH $message BODY[HEADER.FIELDS (References)]", true, $response, $message, $uid_support);
 112     if (!eregi("^\\* ([0-9]+) FETCH", $responses[0][0], $regs)) {
 113         $responses = array ();
 114     }
 115     return $responses;
 116 }
 117
 118
 119 /* get sort order from server and
 120  * return it as the $id array for
 121  * mailbox_display
 122  */
 123
 124 function sqimap_get_sort_order ($imap_stream, $sort, $mbxresponse) {
 125     global  $default_charset, $thread_sort_messages,
 126             $internal_date_sort, $server_sort_array,
 127             $sent_folder, $mailbox, $uid_support;
 128
 129     if (sqsession_is_registered('server_sort_array')) {
 130         sqsession_unregister('server_sort_array');
 131     }
 132
 133     $sort_on = array();
 134     $reverse = 0;
 135     $server_sort_array = array();
 136     $sort_test = array();
 137     $sort_query = '';
 138
 139     if ($sort == 6) {
 140         if ($uid_support) {
 141             if (isset($mbxresponse['UIDNEXT']) && $mbxresponse['UIDNEXT']) {
 142                 $uidnext = $mbxresponse['UIDNEXT']-1;
 143             } else {
 144                 $uidnext = '*';
 145             }
 146             $query = "SEARCH UID 1:$uidnext";
 147             $uids = sqimap_run_command ($imap_stream, $query, true, $response, $message, true);
 148             if (isset($uids[0])) {
 149                 if (preg_match("/^\* SEARCH (.+)$/", $uids[0], $regs)) {
 150                     $server_sort_array = preg_split("/ /", trim($regs[1]));
 151                 }
 152             }
 153             if (!preg_match("/OK/", $response)) {
 154                 $server_sort_array = 'no';
 155             }
 156         } else {
 157             $qty = $mbxresponse['EXISTS'];
 158             $server_sort_array = range(1, $qty);
 159         }
 160         $server_sort_array = array_reverse($server_sort_array);
 161         sqsession_register($server_sort_array, 'server_sort_array');
 162         return $server_sort_array;
 163     }
 164
 165     $sort_on = array (0=> 'DATE',
 166                       1=> 'DATE',
 167                       2=> 'FROM',
 168                       3=> 'FROM',
 169                       4=> 'SUBJECT',
 170                       5=> 'SUBJECT');
 171     if ($internal_date_sort == true) {
 172         $sort_on[0] = 'ARRIVAL';
 173         $sort_on[1] = 'ARRIVAL';
 174     }
 175     if ($sent_folder == $mailbox) {
 176         $sort_on[2] = 'TO';
 177         $sort_on[3] = 'TO';
 178     }
 179     if (!empty($sort_on[$sort])) {
 180         $query = "SORT ($sort_on[$sort]) ".strtoupper($default_charset).' ALL';
 181         $sort_test = sqimap_run_command ($imap_stream, $query, true, $response, $message, $uid_support);
 182     }
 183     if (isset($sort_test[0])) {
 184         if (preg_match("/^\* SORT (.+)$/", $sort_test[0], $regs)) {
 185             $server_sort_array = preg_split("/ /", trim($regs[1]));
 186         }
 187     }
 188     if ($sort == 0 || $sort == 2 || $sort == 4) {
 189        $server_sort_array = array_reverse($server_sort_array);
 190     }
 191     if (!preg_match("/OK/", $response)) {
 192        $server_sort_array = 'no';
 193     }
 194     sqsession_register($server_sort_array, 'server_sort_array');
 195     return $server_sort_array;
 196 }
 197
 198
 199 function sqimap_get_php_sort_order ($imap_stream, $mbxresponse) {
 200     global $uid_support;
 201
 202     if (sqsession_is_registered('php_sort_array')) {
 203         sqsession_unregister('php_sort_array');
 204     }
 205
 206     $php_sort_array = array();
 207
 208     if ($uid_support) {
 209         if (isset($mbxresponse['UIDNEXT']) && $mbxresponse['UIDNEXT']) {
 210                 $uidnext = $mbxresponse['UIDNEXT']-1;
 211         } else {
 212             $uidnext = '*';
 213         }
 214         $query = "SEARCH UID 1:$uidnext";
 215         $uids = sqimap_run_command ($imap_stream, $query, true, $response, $message, true);
 216         if (isset($uids[0])) {
 217             if (preg_match("/^\* SEARCH (.+)$/", $uids[0], $regs)) {
 218                 $php_sort_array = preg_split("/ /", trim($regs[1]));
 219             }
 220         }
 221         if (!preg_match("/OK/", $response)) {
 222             $php_sort_array = 'no';
 223         }
 224     } else {
 225        $qty = $mbxresponse['EXISTS'];
 226        $php_sort_array = range(1, $qty);
 227     }
 228     sqsession_register($php_sort_array, 'php_sort_array');
 229     return $php_sort_array;
 230 }
 231
 232
 233 /* returns an indent array for printMessageinfo()
 234    this represents the amount of indent needed (value)
 235    for this message number (key)
 236 */
 237
 238 function get_parent_level ($imap_stream) {
 239     global $sort_by_ref, $default_charset, $thread_new;
 240         $parent = "";
 241         $child = "";
 242         $cutoff = 0;
 243
 244     /* loop through the threads and take unwanted characters out
 245        of the thread string then chop it up
 246      */
 247     for ($i=0;$i<count($thread_new);$i++) {
 248         $thread_new[$i] = preg_replace("/\s\(/", "(", $thread_new[$i]);
 249         $thread_new[$i] = preg_replace("/(\d+)/", "$1|", $thread_new[$i]);
 250         $thread_new[$i] = preg_split("/\|/", $thread_new[$i], -1, PREG_SPLIT_NO_EMPTY);
 251     }
 252     $indent_array = array();
 253         if (!$thread_new) {
 254             $thread_new = array();
 255         }
 256     /* looping through the parts of one message thread */
 257
 258     for ($i=0;$i<count($thread_new);$i++) {
 259     /* first grab the parent, it does not indent */
 260
 261         if (isset($thread_new[$i][0])) {
 262             if (preg_match("/(\d+)/", $thread_new[$i][0], $regs)) {
 263                 $parent = $regs[1];
 264             }
 265         }
 266         $indent_array[$parent] = 0;
 267
 268     /* now the children, checking each thread portion for
 269        ),(, and space, adjusting the level and space values
 270        to get the indent level
 271     */
 272         $level = 0;
 273         $spaces = array();
 274         $spaces_total = 0;
 275         $indent = 0;
 276         $fake = FALSE;
 277         for ($k=1;$k<(count($thread_new[$i]))-1;$k++) {
 278             $chars = count_chars($thread_new[$i][$k], 1);
 279             if (isset($chars['40'])) {       /* testing for ( */
 280                 $level = $level + $chars['40'];
 281             }
 282             if (isset($chars['41'])) {      /* testing for ) */
 283                 $level = $level - $chars['41'];
 284                 $spaces[$level] = 0;
 285                 /* if we were faking lets stop, this portion
 286                    of the thread is over
 287                 */
 288                 if ($level == $cutoff) {
 289                     $fake = FALSE;
 290                 }
 291             }
 292             if (isset($chars['32'])) {      /* testing for space */
 293                 if (!isset($spaces[$level])) {
 294                     $spaces[$level] = 0;
 295                 }
 296                 $spaces[$level] = $spaces[$level] + $chars['32'];
 297             }
 298             for ($x=0;$x<=$level;$x++) {
 299                 if (isset($spaces[$x])) {
 300                     $spaces_total = $spaces_total + $spaces[$x];
 301                 }
 302             }
 303             $indent = $level + $spaces_total;
 304             /* must have run into a message that broke the thread
 305                so we are adjusting for that portion
 306             */
 307             if ($fake == TRUE) {
 308                 $indent = $indent +1;
 309             }
 310             if (preg_match("/(\d+)/", $thread_new[$i][$k], $regs)) {
 311                 $child = $regs[1];
 312             }
 313             /* the thread must be broken if $indent == 0
 314                so indent the message once and start faking it
 315             */
 316             if ($indent == 0) {
 317                 $indent = 1;
 318                 $fake = TRUE;
 319                 $cutoff = $level;
 320             }
 321             /* dont need abs but if indent was negative
 322                errors would occur
 323             */
 324             $indent_array[$child] = abs($indent);
 325             $spaces_total = 0;
 326         }
 327     }
 328     return $indent_array;
 329 }
 330
 331
 332 /* returns an array with each element as a string
 333    representing one message thread as returned by
 334    the IMAP server
 335 */
 336
 337 function get_thread_sort ($imap_stream) {
 338     global $thread_new, $sort_by_ref, $default_charset, $server_sort_array, $uid_support;
 339     if (sqsession_is_registered('thread_new')) {
 340         sqsession_unregister('thread_new');
 341     }
 342     if (sqsession_is_registered('server_sort_array')) {
 343         sqsession_unregister('server_sort_array');
 344     }
 345     $thread_temp = array ();
 346     if ($sort_by_ref == 1) {
 347         $sort_type = 'REFERENCES';
 348     }
 349     else {
 350         $sort_type = 'ORDEREDSUBJECT';
 351     }
 352     $query = "THREAD $sort_type ".strtoupper($default_charset)." ALL";
 353     $thread_test = sqimap_run_command ($imap_stream, $query, true, $response, $message, $uid_support);
 354     if (isset($thread_test[0])) {
 355         for ($i=0,$iCnt=count($thread_test);$i<$iCnt;++$i) {
 356            if (preg_match("/^\* THREAD (.+)$/", $thread_test[$i], $regs)) {
 357               $thread_list = trim($regs[1]);
 358               break;
 359            }
 360         }
 361     }
 362     else {
 363        $thread_list = "";
 364     }
 365     if (!preg_match("/OK/", $response)) {
 366        $server_sort_array = 'no';
 367        return $server_sort_array;
 368     }
 369     if (isset($thread_list)) {
 370         $thread_temp = preg_split("//", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 371     }
 372     $char_count = count($thread_temp);
 373     $counter = 0;
 374     $thread_new = array();
 375     $k = 0;
 376     $thread_new[0] = "";
 377     for ($i=0;$i<$char_count;$i++) {
 378             if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
 379                     $thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
 380             }
 381             elseif ($thread_temp[$i] == '(') {
 382                     $thread_new[$k] .= $thread_temp[$i];
 383                     $counter++;
 384             }
 385             elseif ($thread_temp[$i] == ')') {
 386                     if ($counter > 1) {
 387                             $thread_new[$k] .= $thread_temp[$i];
 388                             $counter = $counter - 1;
 389                     }
 390                     else {
 391                             $thread_new[$k] .= $thread_temp[$i];
 392                             $k++;
 393                             $thread_new[$k] = "";
 394                             $counter = $counter - 1;
 395                     }
 396             }
 397     }
 398     sqsession_register($thread_new, 'thread_new');
 399     $thread_new = array_reverse($thread_new);
 400     $thread_list = implode(" ", $thread_new);
 401     $thread_list = str_replace("(", " ", $thread_list);
 402     $thread_list = str_replace(")", " ", $thread_list);
 403     $thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 404     $server_sort_array = $thread_list;
 405     sqsession_register($server_sort_array, 'server_sort_array');
 406     return $thread_list;
 407 }
 408
 409
 410 function elapsedTime($start) {
 411  $stop = gettimeofday();
 412  $timepassed =  1000000 * ($stop['sec'] - $start['sec']) + $stop['usec'] - $start['usec'];
 413  return $timepassed;
 414 }
 415
 416 // only used in sqimap_get_small_header_list
 417 function parseString($read,&$i) {
 418     $char = $read{$i};
 419     $s = '';
 420     if ($char == '"') {
 421        $iPos = ++$i;
 422        while (true) {
 423           $iPos = strpos($read,'"',$iPos);
 424           if (!$iPos) break;
 425              if ($iPos && $read{$iPos -1} != '\\') {
 426                 $s = substr($read,$i,($iPos-$i));
 427                 $i = $iPos;
 428                 break;
 429              }
 430              $iPos++;
 431              if ($iPos > strlen($read)) {
 432                 break;
 433              }
 434        }
 435     } else if ($char == '{') {
 436         $lit_cnt = '';
 437         ++$i;
 438         $iPos = strpos($read,'}',$i);
 439         if ($iPos) {
 440            $lit_cnt = substr($read, $i, $iPos - $i);
 441            $i += strlen($lit_cnt) + 3; /* skip } + \r + \n */
 442            /* Now read the literal */
 443            $s = ($lit_cnt ? substr($read,$i,$lit_cnt): '');
 444            $i += $lit_cnt;
 445            /* temp bugfix (SM 1.5 will have a working clean version)
 446               too much work to implement that version right now */
 447            --$i;
 448          } else { /* should never happen */
 449             $i += 3; /* } + \r + \n */
 450             $s = '';
 451          }
 452     } else {
 453        return false;
 454     }
 455     ++$i;
 456     return $s;
 457 }
 458
 459 // only used in sqimap_get_small_header_list
 460 function parseArray($read,&$i) {
 461     $i = strpos($read,'(',$i);
 462     $i_pos = strpos($read,')',$i);
 463     $s = substr($read,$i+1,$i_pos - $i -1);
 464     $a = explode(' ',$s);
 465     if ($i_pos) {
 466         $i = $i_pos+1;
 467         return $a;
 468     } else {
 469         return false;
 470     }
 471 }
 472
 473 function sqimap_get_small_header_list ($imap_stream, $msg_list, $show_num=false) {
 474     global $squirrelmail_language, $color, $data_dir, $username, $imap_server_type;
 475     global $uid_support, $allow_server_sort;
 476     /* Get the small headers for each message in $msg_list */
 477     $maxmsg = sizeof($msg_list);
 478     if ($show_num != '999999') {
 479         $msgs_str = sqimap_message_list_squisher($msg_list);
 480     } else {
 481         $msgs_str = '1:*';
 482     }
 483     $messages = array();
 484     $read_list = array();
 485
 486     /*
 487      * We need to return the data in the same order as the caller supplied
 488      * in $msg_list, but IMAP servers are free to return responses in
 489      * whatever order they wish... So we need to re-sort manually
 490      */
 491     for ($i = 0; $i < sizeof($msg_list); $i++) {
 492         $messages["$msg_list[$i]"] = array();
 493     }
 494
 495     $internaldate = getPref($data_dir, $username, 'internal_date_sort');
 496     if ($internaldate) {
 497         $query = "FETCH $msgs_str (FLAGS UID RFC822.SIZE INTERNALDATE BODY.PEEK[HEADER.FIELDS (Date To Cc From Subject X-Priority Content-Type)])";
 498     } else {
 499         $query = "FETCH $msgs_str (FLAGS UID RFC822.SIZE BODY.PEEK[HEADER.FIELDS (Date To Cc From Subject X-Priority Content-Type)])";
 500     }
 501     $read_list = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, $uid_support);
 502     $i = 0;
 503
 504     foreach ($read_list as $r) {
 505         $subject = _("(no subject)");
 506         $from = _("Unknown Sender");
 507         $priority = 0;
 508         $messageid = '<>';
 509         $cc = $to = $date = $type[0] = $type[1] = $inrepto = '';
 510         $flag_seen = $flag_answered = $flag_deleted = $flag_flagged = false;
 511
 512         $read = implode('',$r);
 513
 514         /*
 515             * #id<space>FETCH<space>(
 516         */
 517
 518         /* extract the message id */
 519         $i_space = strpos($read,' ',2);
 520         $id = substr($read,2,$i_space-2);
 521         $fetch = substr($read,$i_space+1,5);
 522         if (!is_numeric($id) && $fetch !== 'FETCH') {
 523             set_up_language($squirrelmail_language);
 524             echo '<br><b><font color=$color[2]>' .
 525                  _("ERROR : Could not complete request.") .
 526                  '</b><br>' .
 527                  _("Unknown response from IMAP server: ") . ' 1.' .
 528                  htmlspecialchars($read) . "</font><br>\n";
 529                  break;
 530         }
 531         $i = strpos($read,'(',$i_space+5);
 532         $read = substr($read,$i+1);
 533         $i_len = strlen($read);
 534         $i = 0;
 535         while ($i < $i_len && $i !== false) {
 536             /* get argument */
 537             $read = trim(substr($read,$i));
 538             $i_len = strlen($read);
 539             $i = strpos($read,' ');
 540             $arg = substr($read,0,$i);
 541             ++$i;
 542             switch ($arg)
 543             {
 544             case 'UID':
 545                 $i_pos = strpos($read,' ',$i);
 546                 if (!$i_pos) {
 547                     $i_pos = strpos($read,')',$i);
 548                 }
 549                 if ($i_pos) {
 550                     $unique_id = substr($read,$i,$i_pos-$i);
 551                     $i = $i_pos+1;
 552                 } else {
 553                     break 3;
 554                 }
 555                 break;
 556             case 'FLAGS':
 557                 $flags = parseArray($read,$i);
 558                 if (!$flags) break 3;
 559                 foreach ($flags as $flag) {
 560                     $flag = strtolower($flag);
 561                     switch ($flag)
 562                     {
 563                     case '\\seen': $flag_seen = true; break;
 564                     case '\\answered': $flag_answered = true; break;
 565                     case '\\deleted': $flag_deleted = true; break;
 566                     case '\\flagged': $flag_flagged = true; break;
 567                     default: break;
 568                     }
 569                 }
 570                 break;
 571             case 'RFC822.SIZE':
 572                 $i_pos = strpos($read,' ',$i);
 573                 if (!$i_pos) {
 574                     $i_pos = strpos($read,')',$i);
 575                 }
 576                 if ($i_pos) {
 577                     $size = substr($read,$i,$i_pos-$i);
 578                     $i = $i_pos+1;
 579                 } else {
 580                     break 3;
 581                 }
 582
 583                 break;
 584             case 'INTERNALDATE':
 585                 $date = parseString($read,$i);
 586                 //if ($tmpdate === false) break 3;
 587                 //$tmpdate = str_replace('  ',' ',$tmpdate);
 588                 //$tmpdate = explode(' ',$tmpdate);
 589                 //$date = str_replace('-',' ',$tmpdate[0]) . " " .
 590                 //                            $tmpdate[1] . ' ' . $tmpdate[2];
 591                 break;
 592             case 'BODY.PEEK[HEADER.FIELDS':
 593             case 'BODY[HEADER.FIELDS':
 594                 $i = strpos($read,'{',$i);
 595                 $header = parseString($read,$i);
 596                 if ($header === false) break 3;
 597                 /* First we unfold the header */
 598                 $hdr = trim(str_replace(array("\r\n\t", "\r\n "),array('', ''), $header));
 599                 /* Now we can make a new header array with */
 600                 /* each element representing a headerline  */
 601                 $hdr = explode("\r\n" , $hdr);
 602                 foreach ($hdr as $line) {
 603                     $pos = strpos($line, ':');
 604                     if ($pos > 0) {
 605                         $field = strtolower(substr($line, 0, $pos));
 606                         if (!strstr($field,' ')) { /* valid field */
 607                             $value = trim(substr($line, $pos+1));
 608                             switch($field)
 609                             {
 610                             case 'to': $to = $value; break;
 611                             case 'cc': $cc = $value; break;
 612                             case 'from': $from = $value; break;
 613                             case 'date': $date = $value; break;
 614                             case 'x-priority': $priority = $value; break;
 615                             case 'subject':
 616                                 $subject = $value;
 617                                 if ($subject == "") {
 618                                     $subject = _("(no subject)");
 619                                 }
 620                                 break;
 621                             case 'content-type':
 622                                 $type = $value;
 623                                 if ($pos = strpos($type, ";")) {
 624                                     $type = substr($type, 0, $pos);
 625                                 }
 626                                 $type = explode("/", $type);
 627                                 if(!is_array($type)) {
 628                                     $type[0] = 'text';
 629                                 }
 630                                 if (!isset($type[1])) {
 631                                     $type[1] = '';
 632                                 }
 633                                 break;
 634                             default: break;
 635                             }
 636                         }
 637                     }
 638                 }
 639                 break;
 640             default:
 641                 ++$i;
 642                 break;
 643             }
 644         }
 645         if (isset($date)) {
 646             $date = str_replace('  ', ' ', $date);
 647             $tmpdate  = explode(' ', trim($date));
 648         } else {
 649             $tmpdate = $date = array('', '', '', '', '', '');
 650         }
 651         if ($uid_support) {
 652             $msgi ="$unique_id";
 653             $messages[$msgi]['ID'] = $unique_id;
 654         } else {
 655             $msgi = "$id";
 656             $messages[$msgi]['ID'] = $id;
 657         }
 658         $messages[$msgi]['TIME_STAMP'] = getTimeStamp($tmpdate);
 659         $messages[$msgi]['DATE_STRING'] = getDateString($messages[$msgi]['TIME_STAMP']);
 660         $messages[$msgi]['FROM'] = $from; //parseAddress($from);
 661         $messages[$msgi]['SUBJECT'] = $subject;
 662 //        if (handleAsSent($mailbox)) {
 663             $messages[$msgi]['TO'] = $to; //parseAddress($to);
 664 //        }
 665         $messages[$msgi]['PRIORITY'] = $priority;
 666         $messages[$msgi]['CC'] = $cc; //parseAddress($cc);
 667         $messages[$msgi]['SIZE'] = $size;
 668         $messages[$msgi]['TYPE0'] = $type[0];
 669         $messages[$msgi]['FLAG_DELETED'] = $flag_deleted;
 670         $messages[$msgi]['FLAG_ANSWERED'] = $flag_answered;
 671         $messages[$msgi]['FLAG_SEEN'] = $flag_seen;
 672         $messages[$msgi]['FLAG_FLAGGED'] = $flag_flagged;
 673
 674         /* non server sort stuff */
 675         if (!$allow_server_sort) {
 676            $from = parseAddress($from);
 677            if ($from[0][1]) {
 678               $from = decodeHeader($from[0][1]);
 679            } else {
 680               $from = $from[0][0];
 681            }
 682            $messages[$msgi]['FROM-SORT'] = $from;
 683            $subject_sort = strtolower(decodeHeader($subject));
 684            if (preg_match("/^(vedr|sv|re|aw):\s*(.*)$/si", $subject_sort, $matches)){
 685                 $messages[$msgi]['SUBJECT-SORT'] = $matches[2];
 686            } else {
 687                $messages[$msgi]['SUBJECT-SORT'] = $subject_sort;
 688            }
 689         }
 690         ++$msgi;
 691     }
 692     array_reverse($messages);
 693     $new_messages = array();
 694     foreach ($messages as $i =>$message) {
 695         $new_messages[] = $message;
 696     }
 697     return $new_messages;
 698 }
 699
 700 // obsolete?
 701 function sqimap_get_headerfield($imap_stream, $field) {
 702     global $uid_support;
 703     $sid = sqimap_session_id(false);
 704
 705     $results = array();
 706     $read_list = array();
 707
 708     $query = "FETCH 1:* (UID BODY.PEEK[HEADER.FIELDS ($field)])";
 709     $readin_list = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, $uid_support);
 710     $i = 0;
 711
 712     foreach ($readin_list as $r) {
 713         $r = implode('',$r);
 714         /* first we unfold the header */
 715         $r = str_replace(array("\r\n\t","\r\n\s"),array('',''),$r);
 716         /*
 717          * now we can make a new header array with each element representing
 718          * a headerline
 719          */
 720         $r = explode("\r\n" , $r);
 721         if (!$uid_support) {
 722             if (!preg_match("/^\\*\s+([0-9]+)\s+FETCH/iAU",$r[0], $regs)) {
 723                 set_up_language($squirrelmail_language);
 724                 echo '<br><b><font color=$color[2]>' .
 725                       _("ERROR : Could not complete request.") .
 726                       '</b><br>' .
 727                       _("Unknown response from IMAP server: ") . ' 1.' .
 728                       $r[0] . "</font><br>\n";
 729             } else {
 730                 $id = $regs[1];
 731             }
 732         } else {
 733             if (!preg_match("/^\\*\s+([0-9]+)\s+FETCH.*UID\s+([0-9]+)\s+/iAU",$r[0], $regs)) {
 734                 set_up_language($squirrelmail_language);
 735                 echo '<br><b><font color=$color[2]>' .
 736                      _("ERROR : Could not complete request.") .
 737                      '</b><br>' .
 738                      _("Unknown response from IMAP server: ") . ' 1.' .
 739                      $r[0] . "</font><br>\n";
 740             } else {
 741                 $id = $regs[2];
 742             }
 743         }
 744         $field = $r[1];
 745         $field = substr($field,strlen($field)+2);
 746         $result[] = array($id,$field);
 747     }
 748     return $result;
 749 }
 750
 751
 752
 753
 754
 755 /*
 756  * Returns a message array with all the information about a message.
 757  * See the documentation folder for more information about this array.
 758  */
 759 function sqimap_get_message ($imap_stream, $id, $mailbox) {
 760     global $uid_support;
 761
 762     $flags = array();
 763     $read = sqimap_run_command ($imap_stream, "FETCH $id (FLAGS BODYSTRUCTURE)", true, $response, $message, $uid_support);
 764     if ($read) {
 765         if (preg_match('/.+FLAGS\s\((.*)\)\s/AUi',$read[0],$regs)) {
 766             if (trim($regs[1])) {
 767                 $flags = preg_split('/ /', $regs[1],-1,'PREG_SPLIT_NI_EMPTY');
 768             }
 769         }
 770     } else {
 771         /* the message was not found, maybe the mailbox was modified? */
 772         global $sort, $startMessage, $color;
 773
 774         $errmessage = _("The server couldn't find the message you requested.") .
 775               '<p>'._("Most probably your message list was out of date and the message has been moved away or deleted (perhaps by another program accessing the same mailbox).");
 776         /* this will include a link back to the message list */
 777         error_message($errmessage, $mailbox, $sort, $startMessage, $color);
 778         exit;
 779     }
 780     $bodystructure = implode('',$read);
 781     $msg =  mime_structure($bodystructure,$flags);
 782     $read = sqimap_run_command ($imap_stream, "FETCH $id BODY[HEADER]", true, $response, $message, $uid_support);
 783     $rfc822_header = new Rfc822Header();
 784     $rfc822_header->parseHeader($read);
 785     $msg->rfc822_header = $rfc822_header;
 786     return $msg;
 787 }
 788
 789 /* Wrapper function that reformats the header information. */
 790 // obsolete?
 791 function sqimap_get_message_header ($imap_stream, $id, $mailbox) {
 792     global $uid_support;
 793     $read = sqimap_run_command ($imap_stream, "FETCH $id BODY[HEADER]", true, $response, $message, $uid_support);
 794     $header = sqimap_get_header($imap_stream, $read);
 795     $header->id = $id;
 796     $header->mailbox = $mailbox;
 797     return $header;
 798 }
 799
 800 /* Wrapper function that reformats the entity header information. */
 801 // obsolete?
 802 function sqimap_get_ent_header ($imap_stream, $id, $mailbox, $ent) {
 803     global $uid_support;
 804     $read = sqimap_run_command ($imap_stream, "FETCH $id BODY[$ent.HEADER]", true, $response, $message, $uid_support);
 805     $header = sqimap_get_header($imap_stream, $read);
 806     $header->id = $id;
 807     $header->mailbox = $mailbox;
 808     return $header;
 809 }
 810
 811 /* function to get the mime headers */
 812 // obsolete?
 813 function sqimap_get_mime_ent_header ($imap_stream, $id, $mailbox, $ent) {
 814     global $uid_support;
 815     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[$ent.MIME]", true, $response, $message, $uid_support);
 816     $header = sqimap_get_header($imap_stream, $read);
 817     $header->id = $id;
 818     $header->mailbox = $mailbox;
 819     return $header;
 820 }
 821
 822 ?>