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