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