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     $sid = sqimap_session_id($uid_support);
 107     $results = array();
 108     $references = "";
 109     $query = "$sid FETCH $message BODY[HEADER.FIELDS (References)]\r\n";
 110     fputs ($imap_stream, $query);
 111     $responses = sqimap_read_data_list($imap_stream, $sid, true, $responses, $message);
 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     $sid = sqimap_session_id($uid_support);
 134     $sort_on = array();
 135     $reverse = 0;
 136     $server_sort_array = array();
 137     $sort_test = array();
 138     $sort_query = '';
 139
 140     if ($sort == 6) {
 141         if ($uid_support) {
 142             if (isset($mbxresponse['UIDNEXT']) && $mbxresponse['UIDNEXT']) {
 143                 $uidnext = $mbxresponse['UIDNEXT']-1;
 144             } else {
 145                 $uidnext = '*';
 146             }
 147             $uid_query = "$sid SEARCH UID 1:$uidnext\r\n";
 148             fputs($imap_stream, $uid_query);
 149             $uids = sqimap_read_data($imap_stream, $sid, true ,$response, $message);
 150             if (isset($uids[0])) {
 151                 if (preg_match("/^\* SEARCH (.+)$/", $uids[0], $regs)) {
 152                     $server_sort_array = preg_split("/ /", trim($regs[1]));
 153                 }
 154             }
 155             if (!preg_match("/OK/", $response)) {
 156                 $server_sort_array = 'no';
 157             }
 158         } else {
 159             $qty = $mbxresponse['EXISTS'];
 160             $server_sort_array = range(1, $qty);
 161         }
 162         $server_sort_array = array_reverse($server_sort_array);
 163         sqsession_register($server_sort_array, 'server_sort_array');
 164         return $server_sort_array;
 165     }
 166
 167     $sort_on = array (0=> 'DATE',
 168                       1=> 'DATE',
 169                       2=> 'FROM',
 170                       3=> 'FROM',
 171                       4=> 'SUBJECT',
 172                       5=> 'SUBJECT');
 173     if ($internal_date_sort == true) {
 174         $sort_on[0] = 'ARRIVAL';
 175         $sort_on[1] = 'ARRIVAL';
 176     }
 177     if ($sent_folder == $mailbox) {
 178         $sort_on[2] = 'TO';
 179         $sort_on[3] = 'TO';
 180     }
 181     if (!empty($sort_on[$sort])) {
 182         $sort_query = "$sid SORT ($sort_on[$sort]) ".strtoupper($default_charset)." ALL\r\n";
 183         fputs($imap_stream, $sort_query);
 184         $sort_test = sqimap_read_data($imap_stream, $sid, true ,$response, $message);
 185     }
 186     if (isset($sort_test[0])) {
 187         if (preg_match("/^\* SORT (.+)$/", $sort_test[0], $regs)) {
 188             $server_sort_array = preg_split("/ /", trim($regs[1]));
 189         }
 190     }
 191     if ($sort == 0 || $sort == 2 || $sort == 4) {
 192        $server_sort_array = array_reverse($server_sort_array);
 193     }
 194     if (!preg_match("/OK/", $response)) {
 195        $server_sort_array = 'no';
 196     }
 197     sqsession_register($server_sort_array, 'server_sort_array');
 198     return $server_sort_array;
 199 }
 200
 201
 202 function sqimap_get_php_sort_order ($imap_stream, $mbxresponse) {
 203     global $uid_support;
 204
 205     if (sqsession_is_registered('php_sort_array')) {
 206         sqsession_unregister('php_sort_array');
 207     }
 208
 209     $sid = sqimap_session_id($uid_support);
 210     $php_sort_array = array();
 211
 212     if ($uid_support) {
 213         if (isset($mbxresponse['UIDNEXT']) && $mbxresponse['UIDNEXT']) {
 214                 $uidnext = $mbxresponse['UIDNEXT']-1;
 215         } else {
 216             $uidnext = '*';
 217         }
 218         $uid_query = "$sid SEARCH UID 1:$uidnext\r\n";
 219         fputs($imap_stream, $uid_query);
 220         $uids = sqimap_read_data($imap_stream, $sid, true ,$response, $message);
 221         if (isset($uids[0])) {
 222             if (preg_match("/^\* SEARCH (.+)$/", $uids[0], $regs)) {
 223                 $php_sort_array = preg_split("/ /", trim($regs[1]));
 224             }
 225         }
 226         if (!preg_match("/OK/", $response)) {
 227             $php_sort_array = 'no';
 228         }
 229     } else {
 230        $qty = $mbxresponse['EXISTS'];
 231        $php_sort_array = range(1, $qty);
 232     }
 233     sqsession_register($php_sort_array, 'php_sort_array');
 234     return $php_sort_array;
 235 }
 236
 237
 238 /* returns an indent array for printMessageinfo()
 239    this represents the amount of indent needed (value)
 240    for this message number (key)
 241 */
 242
 243 function get_parent_level ($imap_stream) {
 244     global $sort_by_ref, $default_charset, $thread_new;
 245         $parent = "";
 246         $child = "";
 247         $cutoff = 0;
 248
 249     /* loop through the threads and take unwanted characters out
 250        of the thread string then chop it up
 251      */
 252     for ($i=0;$i<count($thread_new);$i++) {
 253         $thread_new[$i] = preg_replace("/\s\(/", "(", $thread_new[$i]);
 254         $thread_new[$i] = preg_replace("/(\d+)/", "$1|", $thread_new[$i]);
 255         $thread_new[$i] = preg_split("/\|/", $thread_new[$i], -1, PREG_SPLIT_NO_EMPTY);
 256     }
 257     $indent_array = array();
 258         if (!$thread_new) {
 259             $thread_new = array();
 260         }
 261     /* looping through the parts of one message thread */
 262
 263     for ($i=0;$i<count($thread_new);$i++) {
 264     /* first grab the parent, it does not indent */
 265
 266         if (isset($thread_new[$i][0])) {
 267             if (preg_match("/(\d+)/", $thread_new[$i][0], $regs)) {
 268                 $parent = $regs[1];
 269             }
 270         }
 271         $indent_array[$parent] = 0;
 272
 273     /* now the children, checking each thread portion for
 274        ),(, and space, adjusting the level and space values
 275        to get the indent level
 276     */
 277         $level = 0;
 278         $spaces = array();
 279         $spaces_total = 0;
 280         $indent = 0;
 281         $fake = FALSE;
 282         for ($k=1;$k<(count($thread_new[$i]))-1;$k++) {
 283             $chars = count_chars($thread_new[$i][$k], 1);
 284             if (isset($chars['40'])) {       /* testing for ( */
 285                 $level = $level + $chars['40'];
 286             }
 287             if (isset($chars['41'])) {      /* testing for ) */
 288                 $level = $level - $chars['41'];
 289                 $spaces[$level] = 0;
 290                 /* if we were faking lets stop, this portion
 291                    of the thread is over
 292                 */
 293                 if ($level == $cutoff) {
 294                     $fake = FALSE;
 295                 }
 296             }
 297             if (isset($chars['32'])) {      /* testing for space */
 298                 if (!isset($spaces[$level])) {
 299                     $spaces[$level] = 0;
 300                 }
 301                 $spaces[$level] = $spaces[$level] + $chars['32'];
 302             }
 303             for ($x=0;$x<=$level;$x++) {
 304                 if (isset($spaces[$x])) {
 305                     $spaces_total = $spaces_total + $spaces[$x];
 306                 }
 307             }
 308             $indent = $level + $spaces_total;
 309             /* must have run into a message that broke the thread
 310                so we are adjusting for that portion
 311             */
 312             if ($fake == TRUE) {
 313                 $indent = $indent +1;
 314             }
 315             if (preg_match("/(\d+)/", $thread_new[$i][$k], $regs)) {
 316                 $child = $regs[1];
 317             }
 318             /* the thread must be broken if $indent == 0
 319                so indent the message once and start faking it
 320             */
 321             if ($indent == 0) {
 322                 $indent = 1;
 323                 $fake = TRUE;
 324                 $cutoff = $level;
 325             }
 326             /* dont need abs but if indent was negative
 327                errors would occur
 328             */
 329             $indent_array[$child] = abs($indent);
 330             $spaces_total = 0;
 331         }
 332     }
 333     return $indent_array;
 334 }
 335
 336
 337 /* returns an array with each element as a string
 338    representing one message thread as returned by
 339    the IMAP server
 340 */
 341
 342 function get_thread_sort ($imap_stream) {
 343     global $thread_new, $sort_by_ref, $default_charset, $server_sort_array, $uid_support;
 344     if (sqsession_is_registered('thread_new')) {
 345         sqsession_unregister('thread_new');
 346     }
 347     if (sqsession_is_registered('server_sort_array')) {
 348         sqsession_unregister('server_sort_array');
 349     }
 350     $sid = sqimap_session_id($uid_support);
 351     $thread_temp = array ();
 352     if ($sort_by_ref == 1) {
 353         $sort_type = 'REFERENCES';
 354     }
 355     else {
 356         $sort_type = 'ORDEREDSUBJECT';
 357     }
 358     $thread_query = "$sid THREAD $sort_type ".strtoupper($default_charset)." ALL\r\n";
 359     fputs($imap_stream, $thread_query);
 360     $thread_test = sqimap_read_data($imap_stream, $sid, false, $response, $message);
 361     if (isset($thread_test[0])) {
 362         if (preg_match("/^\* THREAD (.+)$/", $thread_test[0], $regs)) {
 363             $thread_list = trim($regs[1]);
 364         }
 365     }
 366     else {
 367        $thread_list = "";
 368     }
 369     if (!preg_match("/OK/", $response)) {
 370        $server_sort_array = 'no';
 371        return $server_sort_array;
 372     }
 373     if (isset($thread_list)) {
 374         $thread_temp = preg_split("//", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 375     }
 376     $char_count = count($thread_temp);
 377     $counter = 0;
 378     $thread_new = array();
 379     $k = 0;
 380     $thread_new[0] = "";
 381     for ($i=0;$i<$char_count;$i++) {
 382             if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
 383                     $thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
 384             }
 385             elseif ($thread_temp[$i] == '(') {
 386                     $thread_new[$k] .= $thread_temp[$i];
 387                     $counter++;
 388             }
 389             elseif ($thread_temp[$i] == ')') {
 390                     if ($counter > 1) {
 391                             $thread_new[$k] .= $thread_temp[$i];
 392                             $counter = $counter - 1;
 393                     }
 394                     else {
 395                             $thread_new[$k] .= $thread_temp[$i];
 396                             $k++;
 397                             $thread_new[$k] = "";
 398                             $counter = $counter - 1;
 399                     }
 400             }
 401     }
 402     sqsession_register($thread_new, 'thread_new');
 403     $thread_new = array_reverse($thread_new);
 404     $thread_list = implode(" ", $thread_new);
 405     $thread_list = str_replace("(", " ", $thread_list);
 406     $thread_list = str_replace(")", " ", $thread_list);
 407     $thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 408     $server_sort_array = $thread_list;
 409     sqsession_register($server_sort_array, 'server_sort_array');
 410     return $thread_list;
 411 }
 412
 413
 414 function elapsedTime($start) {
 415  $stop = gettimeofday();
 416  $timepassed =  1000000 * ($stop['sec'] - $start['sec']) + $stop['usec'] - $start['usec'];
 417  return $timepassed;
 418 }
 419
 420 function sqimap_get_small_header_list ($imap_stream, $msg_list) {
 421     global $squirrelmail_language, $color, $data_dir, $username, $imap_server_type;
 422     global $uid_support, $allow_server_sort;
 423
 424     /* Get the small headers for each message in $msg_list */
 425     $sid = sqimap_session_id($uid_support);
 426
 427     $maxmsg = sizeof($msg_list);
 428
 429     $msgs_str = sqimap_message_list_squisher($msg_list);
 430     $messages = array();
 431     $read_list = array();
 432     /*
 433      * We need to return the data in the same order as the caller supplied
 434      * in $msg_list, but IMAP servers are free to return responses in
 435      * whatever order they wish... So we need to re-sort manually
 436      */
 437     for ($i = 0; $i < sizeof($msg_list); $i++) {
 438         $id2index[$msg_list[$i]] = $i;
 439     }
 440
 441     $internaldate = getPref($data_dir, $username, 'internal_date_sort');
 442     if ($internaldate) {
 443         $query = "$sid FETCH $msgs_str (FLAGS UID RFC822.SIZE INTERNALDATE BODY.PEEK[HEADER.FIELDS (Date To Cc From Subject X-Priority Content-Type)])\r\n";
 444     } else {
 445         $query = "$sid FETCH $msgs_str (FLAGS UID RFC822.SIZE BODY.PEEK[HEADER.FIELDS (Date To Cc From Subject X-Priority Content-Type)])\r\n";
 446     }
 447     fputs ($imap_stream, $query);
 448     $readin_list = sqimap_read_data_list($imap_stream, $sid, false, $response, $message);
 449     $i = 0;
 450     foreach ($readin_list as $r) {
 451         if (!$uid_support) {
 452             if (!preg_match("/^\\*\s+([0-9]+)\s+FETCH/iAU",$r[0], $regs)) {
 453                 set_up_language($squirrelmail_language);
 454                 echo '<br><b><font color=$color[2]>' .
 455                       _("ERROR : Could not complete request.") .
 456                       '</b><br>' .
 457                       _("Unknown response from IMAP server: ") . ' 1.' .
 458                       htmlspecialchars($r[0]) . "</font><br>\n";
 459             } else if (! isset($id2index[$regs[1]]) || !count($id2index[$regs[1]])) {
 460                 set_up_language($squirrelmail_language);
 461                 echo '<br><b><font color=$color[2]>' .
 462                       _("ERROR : Could not complete request.") .
 463                       '</b><br>' .
 464                       _("Unknown message number in reply from server: ") .
 465                       htmlspecialchars($regs[1]) . "</font><br>\n";
 466             } else {
 467                 $read_list[$id2index[$regs[1]]] = $r;
 468             }
 469         } else {
 470             if (!preg_match("/^\\*\s+([0-9]+)\s+FETCH.*UID\s+([0-9]+)\s+/iAU",$r[0], $regs)) {
 471                 set_up_language($squirrelmail_language);
 472                 echo '<br><b><font color=$color[2]>' .
 473                      _("ERROR : Could not complete request.") .
 474                      '</b><br>' .
 475                      _("Unknown response from IMAP server: ") . ' 1.' .
 476                      htmlspecialchars($r[0]) . "</font><br>\n";
 477             } else if (! isset($id2index[$regs[2]]) || !count($id2index[$regs[2]])) {
 478                 set_up_language($squirrelmail_language);
 479                 echo '<br><b><font color=$color[2]>' .
 480                       _("ERROR : Could not complete request.") .
 481                       '</b><br>' .
 482                       _("Unknown message number in reply from server: ") .
 483                       htmlspecialchars($regs[2]) . "</font><br>\n";
 484             } else {
 485                 $read_list[$id2index[$regs[2]]] = $r;
 486                 $unique_id = $regs[2];
 487             }
 488         }
 489     }
 490     arsort($read_list);
 491
 492     $patterns = array (
 493                     "/^To:(.*)\$/AUi",
 494                     "/^From:(.*)\$/AUi",
 495                     "/^X-Priority:(.*)\$/AUi",
 496                     "/^Cc:(.*)\$/AUi",
 497                     "/^Date:(.*)\$/AUi",
 498                     "/^Subject:(.*)\$/AUi",
 499                     "/^Content-Type:(.*)\$/AUi"
 500                 );
 501     $regpattern = '';
 502
 503     for ($msgi = 0; $msgi < $maxmsg; $msgi++) {
 504         $subject = _("(no subject)");
 505         $from = _("Unknown Sender");
 506         $priority = 0;
 507         $messageid = '<>';
 508         $cc = $to = $date = $type[0] = $type[1] = $inrepto = '';
 509         $flag_seen = $flag_answered = $flag_deleted = $flag_flagged = false;
 510         $read = $read_list[$msgi];
 511         $prevline = false;
 512
 513         foreach ($read as $read_part) {
 514             //unfold multi-line headers
 515             if ($prevline && $prevline{strlen($prevline)-1} == "\n"
 516                    && ($read_part{0} == ' ' || $read_part{0} == "\t")) {
 517                 $read_part = substr($prevline, 0, -2) . preg_replace('/(\t\s+)/',' ',$read_part);
 518             }
 519             $prevline = $read_part;
 520             if ($read_part{0} == '*') {
 521                 if ($internaldate) {
 522                     if (preg_match ("/^.+INTERNALDATE\s+\"(.+)\".+/iUA",$read_part, $reg)) {
 523                         $tmpdate = trim($reg[1]);
 524                         $tmpdate = str_replace('  ',' ',$tmpdate);
 525                         $tmpdate = explode(' ',$tmpdate);
 526                         $date = str_replace('-',' ',$tmpdate[0]) . " " .
 527                                 $tmpdate[1] . ' ' .
 528                                 $tmpdate[2];
 529                     }
 530                 }
 531                 if (preg_match ("/^.+RFC822.SIZE\s+(\d+).+/iA",$read_part, $reg)) {
 532                     $size = $reg[1];
 533                 }
 534                 if (preg_match("/^.+FLAGS\s+\((.*)\).+/iUA", $read_part, $regs)) {
 535                     $flags = explode(' ',trim($regs[1]));
 536                     foreach ($flags as $flag) {
 537                         $flag = strtolower($flag);
 538                         if ($flag == '\\seen') {
 539                             $flag_seen = true;
 540                         } else if ($flag == '\\answered') {
 541                             $flag_answered = true;
 542                         } else if ($flag == '\\deleted') {
 543                             $flag_deleted = true;
 544                         } else if ($flag == '\\flagged') {
 545                             $flag_flagged = true;
 546                         }
 547                     }
 548                 }
 549                 if (preg_match ("/^.+UID\s+(\d+).+/iA",$read_part, $reg)) {
 550                     $unique_id = $reg[1];
 551                 }
 552             } else {
 553                 $firstchar = strtoupper($read_part{0});
 554                 if ($firstchar == 'T') {
 555                     $regpattern = $patterns[0];
 556                     $id = 1;
 557                 } else if ($firstchar == 'F') {
 558                     $regpattern = $patterns[1];
 559                     $id = 2;
 560                 } else if ($firstchar == 'X') {
 561                     $regpattern = $patterns[2];
 562                     $id = 3;
 563                 } else if ($firstchar == 'C') {
 564                     if (strtolower($read_part{1}) == 'c') {
 565                         $regpattern = $patterns[3];
 566                         $id = 4;
 567                     } else if (strtolower($read_part{1}) == 'o') {
 568                         $regpattern = $patterns[6];
 569                         $id = 7;
 570                     }
 571                 } else if ($firstchar == 'D' && !$internaldate ) {
 572                     $regpattern = $patterns[4];
 573                     $id = 5;
 574                 } else if ($firstchar == 'S') {
 575                     $regpattern = $patterns[5];
 576                     $id = 6;
 577                 } else $regpattern = '';
 578
 579                 if ($regpattern) {
 580                     if (preg_match ($regpattern, $read_part, $regs)) {
 581                         switch ($id) {
 582                             case 1:
 583                                 $to = trim($regs[1]);
 584                                 break;
 585                             case 2:
 586                                 $from = trim($regs[1]);
 587                                 break;
 588                             case 3:
 589                                 $priority = $regs[1];
 590                                 break;
 591                             case 4:
 592                                 $cc = trim($regs[1]);
 593                                 break;
 594                             case 5:
 595                                 $date = $regs[1];
 596                                 break;
 597                             case 6:
 598                                 $subject = trim($regs[1]);
 599                                 if ($subject == "") {
 600                                     $subject = _("(no subject)");
 601                                 }
 602                                 break;
 603                             case 7:
 604                                 $type = strtolower(trim($regs[1]));
 605                                 if ($pos = strpos($type, ";")) {
 606                                     $type = substr($type, 0, $pos);
 607                                 }
 608                                 $type = explode("/", $type);
 609                                 if(!is_array($type)) {
 610                                     $type[0] = 'text';
 611                                 }
 612                                 if (!isset($type[1])) {
 613                                     $type[1] = '';
 614                                 }
 615                                 break;
 616                             default:
 617                                 break;
 618                         }
 619                     }
 620                 }
 621             }
 622
 623         }
 624
 625         if (isset($date)) {
 626             $date = str_replace('  ', ' ', $date);
 627             $tmpdate  = explode(' ', trim($date));
 628         } else {
 629             $tmpdate = $date = array('', '', '', '', '', '');
 630         }
 631         if ($uid_support) {
 632             $messages[$msgi]['ID'] = $unique_id;
 633         } else {
 634             $messages[$msgi]['ID'] = $msg_list[$msgi];
 635         }
 636
 637         $messages[$msgi]['TIME_STAMP'] = getTimeStamp($tmpdate);
 638         $messages[$msgi]['DATE_STRING'] = getDateString($messages[$msgi]['TIME_STAMP']);
 639         $messages[$msgi]['FROM'] = parseAddress($from);
 640         $messages[$msgi]['SUBJECT'] = $subject;
 641 //        if (handleAsSent($mailbox)) {
 642             $messages[$msgi]['TO'] = parseAddress($to);
 643 //        }
 644         $messages[$msgi]['PRIORITY'] = $priority;
 645         $messages[$msgi]['CC'] = parseAddress($cc);
 646         $messages[$msgi]['SIZE'] = $size;
 647         $messages[$msgi]['TYPE0'] = $type[0];
 648         $messages[$msgi]['FLAG_DELETED'] = $flag_deleted;
 649         $messages[$msgi]['FLAG_ANSWERED'] = $flag_answered;
 650         $messages[$msgi]['FLAG_SEEN'] = $flag_seen;
 651         $messages[$msgi]['FLAG_FLAGGED'] = $flag_flagged;
 652
 653         /* non server sort stuff */
 654         if (!$allow_server_sort) {
 655             $from = parseAddress($from);
 656             if ($from[0][1]) {
 657                 $from = decodeHeader($from[0][1]);
 658             } else {
 659                 $from = $from[0][0];
 660             }
 661             $messages[$msgi]['FROM-SORT'] = $from;
 662             $subject_sort = strtolower(decodeHeader($subject));
 663             if (preg_match("/^(vedr|sv|re|aw):\s*(.*)$/si", $subject_sort, $matches)){
 664                 $messages[$msgi]['SUBJECT-SORT'] = $matches[2];
 665             } else {
 666                 $messages[$msgi]['SUBJECT-SORT'] = $subject_sort;
 667             }
 668         }
 669
 670     }
 671     return $messages;
 672 }
 673
 674 function sqimap_get_headerfield($imap_stream, $field) {
 675     $sid = sqimap_session_id(false);
 676
 677     $results = array();
 678     $read_list = array();
 679
 680     $query = "$sid FETCH 1:* (UID BODY.PEEK[HEADER.FIELDS ($field)])\r\n";
 681     fputs ($imap_stream, $query);
 682     $readin_list = sqimap_read_data_list($imap_stream, $sid, false, $response, $message);
 683     $i = 0;
 684
 685     foreach ($readin_list as $r) {
 686         $r = implode('',$r);
 687         /* first we unfold the header */
 688         $r = str_replace(array("\r\n\t","\r\n\s"),array('',''),$r);
 689         /*
 690          * now we can make a new header array with each element representing
 691          * a headerline
 692          */
 693         $r = explode("\r\n" , $r);
 694         if (!$uid_support) {
 695             if (!preg_match("/^\\*\s+([0-9]+)\s+FETCH/iAU",$r[0], $regs)) {
 696                 set_up_language($squirrelmail_language);
 697                 echo '<br><b><font color=$color[2]>' .
 698                       _("ERROR : Could not complete request.") .
 699                       '</b><br>' .
 700                       _("Unknown response from IMAP server: ") . ' 1.' .
 701                       $r[0] . "</font><br>\n";
 702             } else {
 703                 $id = $regs[1];
 704             }
 705         } else {
 706             if (!preg_match("/^\\*\s+([0-9]+)\s+FETCH.*UID\s+([0-9]+)\s+/iAU",$r[0], $regs)) {
 707                 set_up_language($squirrelmail_language);
 708                 echo '<br><b><font color=$color[2]>' .
 709                      _("ERROR : Could not complete request.") .
 710                      '</b><br>' .
 711                      _("Unknown response from IMAP server: ") . ' 1.' .
 712                      $r[0] . "</font><br>\n";
 713             } else {
 714                 $id = $regs[2];
 715             }
 716         }
 717         $field = $r[1];
 718         $field = substr($field,strlen($field)+2);
 719         $result[] = array($id,$field);
 720     }
 721     return $result;
 722 }
 723
 724
 725
 726
 727
 728 /*
 729  * Returns a message array with all the information about a message.
 730  * See the documentation folder for more information about this array.
 731  */
 732 function sqimap_get_message ($imap_stream, $id, $mailbox) {
 733     global $uid_support;
 734
 735     $flags = array();
 736     $read = sqimap_run_command ($imap_stream, "FETCH $id (FLAGS BODYSTRUCTURE)", true, $response, $message, $uid_support);
 737     if ($read) {
 738     if (preg_match('/.+FLAGS\s\((.*)\)\s/AUi',$read[0],$regs)) {
 739        if (trim($regs[1])) {
 740           $flags = preg_split('/ /', $regs[1],-1,'PREG_SPLIT_NI_EMPTY');
 741        }
 742     }
 743     } else {
 744       echo "ERROR Yeah I know, not a very usefull errormessage (id = $id, mailbox = $mailbox sqimap_get_message)";
 745       exit;
 746     }
 747     $bodystructure = implode('',$read);
 748     $msg =  mime_structure($bodystructure,$flags);
 749     $read = sqimap_run_command ($imap_stream, "FETCH $id BODY[HEADER]", true, $response, $message, $uid_support);
 750     $rfc822_header = new Rfc822Header();
 751     $rfc822_header->parseHeader($read);
 752     $msg->rfc822_header = $rfc822_header;
 753     return $msg;
 754 }
 755
 756 /* Wrapper function that reformats the header information. */
 757 function sqimap_get_message_header ($imap_stream, $id, $mailbox) {
 758     global $uid_support;
 759     $read = sqimap_run_command ($imap_stream, "FETCH $id BODY[HEADER]", true, $response, $message, $uid_support);
 760     $header = sqimap_get_header($imap_stream, $read);
 761     $header->id = $id;
 762     $header->mailbox = $mailbox;
 763     return $header;
 764 }
 765
 766 /* Wrapper function that reformats the entity header information. */
 767 function sqimap_get_ent_header ($imap_stream, $id, $mailbox, $ent) {
 768     global $uid_support;
 769     $read = sqimap_run_command ($imap_stream, "FETCH $id BODY[$ent.HEADER]", true, $response, $message, $uid_support);
 770     $header = sqimap_get_header($imap_stream, $read);
 771     $header->id = $id;
 772     $header->mailbox = $mailbox;
 773     return $header;
 774 }
 775
 776 /* function to get the mime headers */
 777 function sqimap_get_mime_ent_header ($imap_stream, $id, $mailbox, $ent) {
 778     global $uid_support;
 779     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[$ent.MIME]", true, $response, $message, $uid_support);
 780     $header = sqimap_get_header($imap_stream, $read);
 781     $header->id = $id;
 782     $header->mailbox = $mailbox;
 783     return $header;
 784 }
 785
 786 ?>