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<?php
/**
* imap_messages.php
*
* This implements functions that manipulate messages
* NOTE: Quite a few functions in this file are obsolete
*
* @copyright 1999-2010 The SquirrelMail Project Team
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id: imap_messages.php 13932 2010-03-30 05:54:31Z pdontthink $
* @package squirrelmail
* @subpackage imap
*/
/**
* Copies a set of messages ($id) to another mailbox ($mailbox)
*
* NOTE: Verions of this function BEFORE SquirrelMail 1.4.18
* actually *moved* messages instead of copying them
*
* @param int $imap_stream The resource ID for the IMAP socket
* @param mixed $id A string or array of messages to copy
* @param string $mailbox The mailbox to copy messages to
*
* @return bool Returns true on successful copy, false on failure
*
*/
function sqimap_msgs_list_copy($imap_stream, $id, $mailbox) {
global $uid_support;
$msgs_id = sqimap_message_list_squisher($id);
$read = sqimap_run_command ($imap_stream, "COPY $msgs_id \"$mailbox\"", true, $response, $message, $uid_support);
if ($response == 'OK') {
return true;
} else {
return false;
}
}
/**
* Moves a set of messages ($id) to another mailbox ($mailbox)
*
* @param int $imap_stream The resource ID for the IMAP socket
* @param mixed $id A string or array of messages to copy
* @param string $mailbox The destination mailbox
* @param bool $handle_errors Show error messages in case of a NO, BAD, or BYE response
*
* @return bool If move completed without error.
*
* @since 1.4.18
*
*/
function sqimap_msgs_list_move($imap_stream, $id, $mailbox, $handle_errors = true) {
if (sqimap_msgs_list_copy ($imap_stream, $id, $mailbox, $handle_errors)) {
return sqimap_toggle_flag($imap_stream, $id, '\\Deleted', true, true);
} else {
return false;
}
}
/**
* Deletes one or more message(s) and move
* it/them to trash or expunge the mailbox
*
* @param int $imap_stream The resource ID for the IMAP socket
* @param string $mailbox The mailbox to delete messages from
* @param mixed $id A string or array of messages to delete
*
*/
function sqimap_msgs_list_delete($imap_stream, $mailbox, $id) {
global $move_to_trash, $trash_folder, $uid_support;
$msgs_id = sqimap_message_list_squisher($id);
if (($move_to_trash == true) && (sqimap_mailbox_exists($imap_stream, $trash_folder) && ($mailbox != $trash_folder))) {
/**
* turn off internal error handling (third argument = false) and
* ignore copy to trash errors (allows to delete messages when overquota)
*/
$read = sqimap_run_command ($imap_stream, "COPY $msgs_id \"$trash_folder\"", false, $response, $message, $uid_support);
}
$read = sqimap_run_command ($imap_stream, "STORE $msgs_id +FLAGS (\\Deleted)", true, $response, $message, $uid_support);
}
/**
* Sort the message list and crunch to be as small as possible
* (overflow could happen, so make it small if possible)
*/
function sqimap_message_list_squisher($messages_array) {
if( !is_array( $messages_array ) ) {
return $messages_array;
}
sort($messages_array, SORT_NUMERIC);
$msgs_str = '';
while ($messages_array) {
$start = array_shift($messages_array);
$end = $start;
while (isset($messages_array[0]) && $messages_array[0] == $end + 1) {
$end = array_shift($messages_array);
}
if ($msgs_str != '') {
$msgs_str .= ',';
}
$msgs_str .= $start;
if ($start != $end) {
$msgs_str .= ':' . $end;
}
}
return $msgs_str;
}
/**
* Returns the references header lines
*/
function get_reference_header($imap_stream, $message) {
global $uid_support;
$responses = array ();
$results = array();
$references = "";
$responses = sqimap_run_command_list ($imap_stream, "FETCH $message BODY[HEADER.FIELDS (References)]", true, $response, $message, $uid_support);
if (!preg_match("/^\* ([0-9]+) FETCH/i", $responses[0][0], $regs)) {
$responses = array ();
}
return $responses;
}
/**
* Get sort order from server and return it as the $id array for mailbox_display
*/
function sqimap_get_sort_order($imap_stream, $sort, $mbxresponse) {
global $default_charset, $thread_sort_messages,
$internal_date_sort, $server_sort_array,
$sent_folder, $mailbox, $uid_support;
if (sqsession_is_registered('server_sort_array')) {
sqsession_unregister('server_sort_array');
}
$sort_on = array();
$reverse = 0;
$server_sort_array = array();
$sort_test = array();
$sort_query = '';
if ($sort == 6) {
if ($uid_support) {
if (isset($mbxresponse['UIDNEXT']) && $mbxresponse['UIDNEXT']) {
$uidnext = $mbxresponse['UIDNEXT']-1;
} else {
$uidnext = '*';
}
$query = "SEARCH UID 1:$uidnext";
$uids = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, true);
if (isset($uids[0])) {
for ($i=0,$iCnt=count($uids);$i<$iCnt;++$i) {
for ($j = 0, $jCnt=count($uids[$i]);$j<$jCnt;++$j) {
if (preg_match("/^\* SEARCH (.+)$/", $uids[$i][$j], $regs)) {
$server_sort_array += preg_split("/ /", trim($regs[1]));
}
}
}
}
if (!preg_match("/OK/", $response)) {
$server_sort_array = 'no';
}
} else {
$qty = $mbxresponse['EXISTS'];
$server_sort_array = range(1, $qty);
}
$server_sort_array = array_reverse($server_sort_array);
sqsession_register($server_sort_array, 'server_sort_array');
return $server_sort_array;
}
$sort_on = array (0=> 'DATE',
1=> 'DATE',
2=> 'FROM',
3=> 'FROM',
4=> 'SUBJECT',
5=> 'SUBJECT',
8=> 'SIZE',
9=> 'SIZE');
if ($internal_date_sort == true) {
$sort_on[0] = 'ARRIVAL';
$sort_on[1] = 'ARRIVAL';
}
if ($sent_folder == $mailbox) {
$sort_on[2] = 'TO';
$sort_on[3] = 'TO';
}
if (!empty($sort_on[$sort])) {
$query = "SORT ($sort_on[$sort]) ".strtoupper($default_charset).' ALL';
$sort_test = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, $uid_support);
}
if (isset($sort_test[0])) {
for ($i=0,$iCnt=count($sort_test);$i<$iCnt;++$i) {
for ($j = 0, $jCnt=count($sort_test[$i]);$j<$jCnt;++$j) {
if (preg_match("/^\* SORT (.+)$/", $sort_test[$i][$j], $regs)) {
$server_sort_array += preg_split("/ /", trim($regs[1]));
}
}
}
}
if ($sort == 0 || $sort == 2 || $sort == 4 || $sort == 8) {
$server_sort_array = array_reverse($server_sort_array);
}
if (!preg_match("/OK/", $response)) {
$server_sort_array = 'no';
}
sqsession_register($server_sort_array, 'server_sort_array');
return $server_sort_array;
}
/**
* Get sort order from server if server does not have the SORT extension
* and return it as array for mailbox_display.
*
* @param resource $imap_stream
* @param array $mbxresponse response from a sqimap_mailbox_select
* @return array $php_sort_array
*/
function sqimap_get_php_sort_order($imap_stream, $mbxresponse) {
global $uid_support;
if (sqsession_is_registered('php_sort_array')) {
sqsession_unregister('php_sort_array');
}
$php_sort_array = array();
if ($uid_support) {
if (isset($mbxresponse['UIDNEXT']) && $mbxresponse['UIDNEXT']) {
$uidnext = $mbxresponse['UIDNEXT']-1;
} else {
$uidnext = '*';
}
$query = "SEARCH UID 1:$uidnext";
$uids = sqimap_run_command ($imap_stream, $query, true, $response, $message, true);
if (isset($uids[0])) {
$php_sort_array = array();
// EIMS workaround. EIMS returns the result as multiple untagged SEARCH responses
foreach($uids as $line) {
if (preg_match("/^\* SEARCH (.+)$/", $line, $regs)) {
$php_sort_array += preg_split("/ /", trim($regs[1]));
}
}
}
if (!preg_match("/OK/", $response)) {
$php_sort_array = 'no';
}
} else {
$qty = $mbxresponse['EXISTS'];
$php_sort_array = range(1, $qty);
}
sqsession_register($php_sort_array, 'php_sort_array');
return $php_sort_array;
}
/**
* Returns an indent array for printMessageinfo()
* This represents the amount of indent needed (value),
* for this message number (key)
*/
function get_parent_level($imap_stream) {
global $sort_by_ref, $default_charset, $thread_new;
$parent = "";
$child = "";
$cutoff = 0;
/* loop through the threads and take unwanted characters out
of the thread string then chop it up
*/
for ($i=0;$i<count($thread_new);$i++) {
$thread_new[$i] = preg_replace("/\s\(/", "(", $thread_new[$i]);
$thread_new[$i] = preg_replace("/(\d+)/", "$1|", $thread_new[$i]);
$thread_new[$i] = preg_split("/\|/", $thread_new[$i], -1, PREG_SPLIT_NO_EMPTY);
}
$indent_array = array();
if (!$thread_new) {
$thread_new = array();
}
/* looping through the parts of one message thread */
for ($i=0;$i<count($thread_new);$i++) {
/* first grab the parent, it does not indent */
if (isset($thread_new[$i][0])) {
if (preg_match("/(\d+)/", $thread_new[$i][0], $regs)) {
$parent = $regs[1];
}
}
$indent_array[$parent] = 0;
/*
* now the children, checking each thread portion for
* ),(, and space, adjusting the level and space values
* to get the indent level
*/
$level = 0;
$spaces = array();
$spaces_total = 0;
$indent = 0;
$fake = FALSE;
for ($k=1;$k<(count($thread_new[$i]))-1;$k++) {
$chars = count_chars($thread_new[$i][$k], 1);
if (isset($chars['40'])) { /* testing for ( */
$level += $chars['40'];
}
if (isset($chars['41'])) { /* testing for ) */
$level -= $chars['41'];
$spaces[$level] = 0;
/* if we were faking lets stop, this portion
* of the thread is over
*/
if ($level == $cutoff) {
$fake = FALSE;
}
}
if (isset($chars['32'])) { /* testing for space */
if (!isset($spaces[$level])) {
$spaces[$level] = 0;
}
$spaces[$level] += $chars['32'];
}
for ($x=0;$x<=$level;$x++) {
if (isset($spaces[$x])) {
$spaces_total += $spaces[$x];
}
}
$indent = $level + $spaces_total;
/* must have run into a message that broke the thread
* so we are adjusting for that portion
*/
if ($fake == TRUE) {
$indent = $indent +1;
}
if (preg_match("/(\d+)/", $thread_new[$i][$k], $regs)) {
$child = $regs[1];
}
/* the thread must be broken if $indent == 0
* so indent the message once and start faking it
*/
if ($indent == 0) {
$indent = 1;
$fake = TRUE;
$cutoff = $level;
}
/* dont need abs but if indent was negative
* errors would occur
*/
$indent_array[$child] = abs($indent);
$spaces_total = 0;
}
}
return $indent_array;
}
/**
* Returns an array with each element as a string representing one
* message-thread as returned by the IMAP server.
*/
function get_thread_sort($imap_stream) {
global $thread_new, $sort_by_ref, $default_charset, $server_sort_array, $uid_support;
if (sqsession_is_registered('thread_new')) {
sqsession_unregister('thread_new');
}
if (sqsession_is_registered('server_sort_array')) {
sqsession_unregister('server_sort_array');
}
$thread_temp = array ();
if ($sort_by_ref == 1) {
$sort_type = 'REFERENCES';
} else {
$sort_type = 'ORDEREDSUBJECT';
}
$query = "THREAD $sort_type ".strtoupper($default_charset)." ALL";
$thread_test = sqimap_run_command ($imap_stream, $query, true, $response, $message, $uid_support);
if (isset($thread_test[0])) {
for ($i=0,$iCnt=count($thread_test);$i<$iCnt;++$i) {
if (preg_match("/^\* THREAD (.+)$/", $thread_test[$i], $regs)) {
$thread_list = trim($regs[1]);
break;
}
}
} else {
$thread_list = "";
}
if (!preg_match("/OK/", $response)) {
$server_sort_array = 'no';
return $server_sort_array;
}
if (isset($thread_list)) {
$thread_temp = preg_split("//", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
}
$char_count = count($thread_temp);
$counter = 0;
$thread_new = array();
$k = 0;
$thread_new[0] = "";
for ($i=0;$i<$char_count;$i++) {
if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
$thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
} elseif ($thread_temp[$i] == '(') {
$thread_new[$k] .= $thread_temp[$i];
$counter++;
} elseif ($thread_temp[$i] == ')') {
if ($counter > 1) {
$thread_new[$k] .= $thread_temp[$i];
$counter = $counter - 1;
} else {
$thread_new[$k] .= $thread_temp[$i];
$k++;
$thread_new[$k] = "";
$counter = $counter - 1;
}
}
}
sqsession_register($thread_new, 'thread_new');
$thread_new = array_reverse($thread_new);
$thread_list = implode(" ", $thread_new);
$thread_list = str_replace("(", " ", $thread_list);
$thread_list = str_replace(")", " ", $thread_list);
$thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
$server_sort_array = $thread_list;
sqsession_register($server_sort_array, 'server_sort_array');
return $thread_list;
}
function elapsedTime($start) {
$stop = gettimeofday();
$timepassed = 1000000 * ($stop['sec'] - $start['sec']) + $stop['usec'] - $start['usec'];
return $timepassed;
}
/**
* Parses a string in an imap response. String starts with " or { which means it
* can handle double quoted strings and literal strings
*
* @param string $read imap response
* @param integer $i (reference) offset in string
* @return string $s parsed string without the double quotes or literal count
*/
function parseString($read,&$i) {
$char = $read{$i};
$s = '';
if ($char == '"') {
$iPos = ++$i;
while (true) {
$iPos = strpos($read,'"',$iPos);
if (!$iPos) break;
if ($iPos && $read{$iPos -1} != '\\') {
$s = substr($read,$i,($iPos-$i));
$i = $iPos;
break;
}
$iPos++;
if ($iPos > strlen($read)) {
break;
}
}
} else if ($char == '{') {
$lit_cnt = '';
++$i;
$iPos = strpos($read,'}',$i);
if ($iPos) {
$lit_cnt = substr($read, $i, $iPos - $i);
$i += strlen($lit_cnt) + 3; /* skip } + \r + \n */
/* Now read the literal */
$s = ($lit_cnt ? substr($read,$i,$lit_cnt): '');
$i += $lit_cnt;
/* temp bugfix (SM 1.5 will have a working clean version)
too much work to implement that version right now */
--$i;
} else { /* should never happen */
$i += 3; /* } + \r + \n */
$s = '';
}
} else {
return false;
}
++$i;
return $s;
}
/**
* Parses a string containing an array from an imap response. String starts with ( and end with )
*
* @param string $read imap response
* @param integer $i (reference) offset in string
* @return array $a
*/
function parseArray($read,&$i) {
$i = strpos($read,'(',$i);
$i_pos = strpos($read,')',$i);
$s = substr($read,$i+1,$i_pos - $i -1);
$a = explode(' ',$s);
if ($i_pos) {
$i = $i_pos+1;
return $a;
} else {
return false;
}
}
/**
* Parses a fetch response
*
* @param array $aResponse IMAP Response
* @param array $aMessageList Placeholder array for results. The keys of the
* placeholder array should be the UID so we can reconstruct the order.
* @return array $aMessageList Associative array with messages.
*/
function parseFetch(&$aResponse, $aMessageList = array()) {
for($j=0, $iCnt = count($aResponse);$j<$iCnt; ++$j) {
$aMsg = array();
$read = implode('', $aResponse[$j]);
// Clear up some memory
unset($aResponse[$j]);
/*
*<space>#id<space>FETCH<space>(....
*/
$i_space = strpos($read,' ', 2);
$id = substr($read, 2, $i_space - 2);
$aMsg['ID'] = $id;
$fetch = substr($read, $i_space+1,5);
if (!is_numeric($id) && $fetch !== 'FETCH') {
$aMsg['ERROR'] = $read;
break;
}
$i = strpos($read, '(', $i_space+5);
$read = substr($read, $i+1);
$i_len = strlen($read);
$i = 0;
while($i < $i_len && $i !== false) {
$read = trim(substr($read, $i));
$i_len = strlen($read);
$i = strpos($read, ' ');
$arg = substr($read,0,$i);
++$i;
switch($arg) {
case 'UID':
$i_pos = strpos($read,' ',$i);
if (!$i_pos) {
$i_pos = strpos($read, ')', $i);
}
if ($i_pos) {
$unique_id = substr($read, $i, $i_pos-$i);
$i = $i_pos + 1;
} else {
break 3;
}
break;
case 'FLAGS':
$flags = parseArray($read, $i);
if (!$flags) break 3;
$aFlags = array();
foreach($flags as $flag) {
$flag = strtolower($flag);
$aFlags[$flag] = true;
}
$aMsg['FLAGS'] = $aFlags;
break;
case 'RFC822.SIZE':
$i_pos = strpos($read, ' ', $i);
if (!$i_pos) {
$i_pos = strpos($read, ')', $i);
}
if ($i_pos) {
$aMsg['SIZE'] = substr($read,$i,$i_pos-$i);
$i = $i_pos + 1;
} else {
break 3;
}
break;
case 'ENVELOPE':
// sqimap_parse_address($read,$i,$aMsg);
break; // to be implemented, moving imap code out of the Message class
case 'BODYSTRUCTURE':
break; // to be implemented, moving imap code out of the Message class
case 'INTERNALDATE':
$aMsg['INTERNALDATE'] = trim(str_replace(' ', ' ',parseString($read,$i)));
break;
case 'BODY.PEEK[HEADER.FIELDS':
case 'BODY[HEADER.FIELDS':
$i = strpos($read,'{',$i); // header is always returned as literal because it contain \n characters
$header = parseString($read,$i);
if ($header === false) break 2;
/* First we replace all \r\n by \n, and unfold the header */
$hdr = trim(str_replace(array("\r\n", "\n\t", "\n "),array("\n", ' ', ' '), $header));
/* Now we can make a new header array with
each element representing a headerline */
$aHdr = explode("\n" , $hdr);
$aReceived = array();
foreach ($aHdr as $line) {
$pos = strpos($line, ':');
if ($pos > 0) {
$field = strtolower(substr($line, 0, $pos));
if (!strstr($field,' ')) { /* valid field */
$value = trim(substr($line, $pos+1));
switch($field) {
case 'date':
$aMsg['date'] = trim(str_replace(' ', ' ', $value));
break;
case 'x-priority': $aMsg['x-priority'] = ($value) ? (int) $value{0} : 3; break;
case 'priority':
case 'importance':
// duplicate code with Rfc822Header.cls:parsePriority()
if (!isset($aMsg['x-priority'])) {
$aPrio = preg_split('/\s/',trim($value));
$sPrio = strtolower(array_shift($aPrio));
if (is_numeric($sPrio)) {
$iPrio = (int) $sPrio;
} elseif ( $sPrio == 'non-urgent' || $sPrio == 'low' ) {
$iPrio = 5;
} elseif ( $sPrio == 'urgent' || $sPrio == 'high' ) {
$iPrio = 1;
} else {
// default is normal priority
$iPrio = 3;
}
$aMsg['x-priority'] = $iPrio;
}
break;
case 'content-type':
$type = $value;
if ($pos = strpos($type, ";")) {
$type = substr($type, 0, $pos);
}
$type = explode("/", $type);
if(!is_array($type) || count($type) < 2) {
$aMsg['content-type'] = array('text','plain');
} else {
$aMsg['content-type'] = array(strtolower($type[0]),strtolower($type[1]));
}
break;
case 'received':
$aMsg['received'][] = $value;
break;
default:
$aMsg[$field] = $value;
break;
}
}
}
}
break;
default:
++$i;
break;
}
}
if (!empty($unique_id)) {
$msgi = "$unique_id";
$aMsg['UID'] = $unique_id;
} else {
$msgi = '';
}
$aMessageList[$msgi] = $aMsg;
$aResponse[$j] = NULL;
}
return $aMessageList;
}
/**
* Normalise the different Priority headers into a uniform value,
* namely that of the X-Priority header (1, 3, 5). Supports:
* Prioirty, X-Priority, Importance.
* X-MS-Mail-Priority is not parsed because it always coincides
* with one of the other headers.
*
* DUPLICATE CODE ALERT:
* NOTE: this is actually a duplicate from the function in
* class/mime/Rfc822Header.php.
*/
function parsePriority($sValue) {
$aValue=preg_split('/\s/',trim($sValue));
$value = strtolower(array_shift($aValue));
if ( is_numeric($value) ) {
return $value;
}
if ( $value == 'urgent' || $value == 'high' ) {
return 1;
} elseif ( $value == 'non-urgent' || $value == 'low' ) {
return 5;
}
return 3;
}
/**
* Retrieves a list with headers, flags, size or internaldate from the imap server
*/
function sqimap_get_small_header_list($imap_stream, $msg_list, $show_num=false) {
global $squirrelmail_language, $color, $data_dir, $username, $imap_server_type;
global $uid_support, $allow_server_sort;
/* Get the small headers for each message in $msg_list */
$maxmsg = sizeof($msg_list);
if ($show_num != '999999') {
$msgs_str = sqimap_message_list_squisher($msg_list);
} else {
$msgs_str = '1:*';
}
$messages = array();
$read_list = array();
/*
* We need to return the data in the same order as the caller supplied
* in $msg_list, but IMAP servers are free to return responses in
* whatever order they wish... So we need to re-sort manually
*/
for ($i = 0; $i < sizeof($msg_list); $i++) {
$messages["$msg_list[$i]"] = array();
}
$internaldate = getPref($data_dir, $username, 'internal_date_sort', SMPREF_ON);
if ($internaldate) {
$query = "FETCH $msgs_str (FLAGS UID RFC822.SIZE INTERNALDATE BODY.PEEK[HEADER.FIELDS (Date To Cc From Subject X-Priority Importance Priority Content-Type)])";
} else {
$query = "FETCH $msgs_str (FLAGS UID RFC822.SIZE BODY.PEEK[HEADER.FIELDS (Date To Cc From Subject X-Priority Importance Priority Content-Type)])";
}
$read_list = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, $uid_support);
$i = 0;
foreach ($read_list as $r) {
/* initialize/reset vars */
$subject = _("(no subject)");
$from = _("Unknown Sender");
$priority = 0;
$messageid = '<>';
$type = array('','');
$cc = $to = $inrepto = '';
$size = 0;
// use unset because we do isset below
unset($date);
unset($internal_date);
$flag_seen = $flag_answered = $flag_deleted = $flag_flagged = false;
$read = implode('',$r);
/*
* #id<space>FETCH<space>(
*/
/* extract the message id */
$i_space = strpos($read,' ',2);
$id = substr($read,2,$i_space-2);
$fetch = substr($read,$i_space+1,5);
if (!is_numeric($id) && $fetch !== 'FETCH') {
set_up_language($squirrelmail_language);
echo '<br /><b><font color="'.$color[2].'">' .
_("ERROR: Could not complete request.") .
'</b><br />' .
_("Unknown response from IMAP server:") . ' 1.' .
htmlspecialchars($read) . "</font><br />\n";
break;
}
$i = strpos($read,'(',$i_space+5);
$read = substr($read,$i+1);
$i_len = strlen($read);
$i = 0;
while ($i < $i_len && $i !== false) {
/* get argument */
$read = trim(substr($read,$i));
$i_len = strlen($read);
$i = strpos($read,' ');
$arg = substr($read,0,$i);
++$i;
switch ($arg)
{
case 'UID':
$i_pos = strpos($read,' ',$i);
if (!$i_pos) {
$i_pos = strpos($read,')',$i);
}
if ($i_pos) {
$unique_id = substr($read,$i,$i_pos-$i);
$i = $i_pos+1;
} else {
break 3;
}
break;
case 'FLAGS':
$flags = parseArray($read,$i);
if (!$flags) break 3;
foreach ($flags as $flag) {
$flag = strtolower($flag);
switch ($flag)
{
case '\\seen': $flag_seen = true; break;
case '\\answered': $flag_answered = true; break;
case '\\deleted': $flag_deleted = true; break;
case '\\flagged': $flag_flagged = true; break;
default: break;
}
}
break;
case 'RFC822.SIZE':
$i_pos = strpos($read,' ',$i);
if (!$i_pos) {
$i_pos = strpos($read,')',$i);
}
if ($i_pos) {
$size = substr($read,$i,$i_pos-$i);
$i = $i_pos+1;
} else {
break 3;
}
break;
case 'INTERNALDATE':
$internal_date = parseString($read,$i);
//if ($tmpdate === false) break 3;
//$tmpdate = str_replace(' ',' ',$tmpdate);
//$tmpdate = explode(' ',$tmpdate);
//$date = str_replace('-',' ',$tmpdate[0]) . " " .
// $tmpdate[1] . ' ' . $tmpdate[2];
break;
case 'BODY.PEEK[HEADER.FIELDS':
case 'BODY[HEADER.FIELDS':
$i = strpos($read,'{',$i);
$header = parseString($read,$i);
if ($header === false) break 2;
/* First we replace all \r\n by \n, and unfold the header */
$hdr = trim(str_replace(array("\r\n", "\n\t", "\n "),array("\n", ' ', ' '), $header));
/* Now we can make a new header array with */
/* each element representing a headerline */
$hdr = explode("\n" , $hdr);
foreach ($hdr as $line) {
$pos = strpos($line, ':');
if ($pos > 0) {
$field = strtolower(substr($line, 0, $pos));
if (!strstr($field,' ')) { /* valid field */
$value = trim(substr($line, $pos+1));
switch($field)
{
case 'to': $to = $value; break;
case 'cc': $cc = $value; break;
case 'from': $from = $value; break;
case 'date': $date = $value; break;
case 'x-priority':
case 'importance':
case 'priority':
$priority = parsePriority($value); break;
case 'subject':
$subject = $value;
if ($subject == "") {
$subject = _("(no subject)");
}
break;
case 'content-type':
$type = strtolower($value);
if ($pos = strpos($type, ";")) {
$type = substr($type, 0, $pos);
}
$type = explode("/", $type);
if ( empty($type[0]) ) {
$type[0] = 'text';
// I had this added, but not committed to CVS.... did it help fix something?
// $type[1] = 'plain';
}
if ( empty($type[1]) ) {
$type[1] = 'plain';
}
break;
default: break;
}
}
}
}
break;
default:
++$i;
break;
}
}
if (isset($date) || isset($internal_date)) {
if (isset($internal_date)) {
$internal_date = str_replace(' ', ' ', $internal_date);
$tmpinternal_date = explode(' ', trim($internal_date));
if (!isset($date)) {
$date = $internal_date;
$tmpdate = $tmpinternal_date;
}
}
if (isset($date)) {
$date = str_replace(' ', ' ', $date);
$tmpdate = explode(' ', trim($date));
if (!isset($internal_date)) {
$internal_date = $date;
$tmpinternal_date = $tmpdate;
}
}
} else {
$internal_date = $tmpinternal_date = $tmpdate = $date = array();
}
if ($uid_support) {
$msgi ="$unique_id";
$messages[$msgi]['ID'] = $unique_id;
} else {
$msgi = "$id";
$messages[$msgi]['ID'] = $id;
}
$messages[$msgi]['RECEIVED_TIME_STAMP'] = getTimeStamp($tmpinternal_date);
$messages[$msgi]['RECEIVED_DATE_STRING'] = getDateString($messages[$msgi]['RECEIVED_TIME_STAMP']);
$messages[$msgi]['TIME_STAMP'] = getTimeStamp($tmpdate);
$messages[$msgi]['DATE_STRING'] = getDateString($messages[$msgi]['TIME_STAMP']);
$messages[$msgi]['FROM'] = $from; //parseAddress($from);
$messages[$msgi]['SUBJECT'] = $subject;
// if (handleAsSent($mailbox)) {
$messages[$msgi]['TO'] = $to; //parseAddress($to);
// }
$messages[$msgi]['PRIORITY'] = $priority;
$messages[$msgi]['CC'] = $cc; //parseAddress($cc);
$messages[$msgi]['SIZE'] = $size;
$messages[$msgi]['TYPE0'] = $type[0];
$messages[$msgi]['TYPE1'] = $type[1];
$messages[$msgi]['FLAG_DELETED'] = $flag_deleted;
$messages[$msgi]['FLAG_ANSWERED'] = $flag_answered;
$messages[$msgi]['FLAG_SEEN'] = $flag_seen;
$messages[$msgi]['FLAG_FLAGGED'] = $flag_flagged;
/* non server sort stuff */
if (!$allow_server_sort) {
$from = parseAddress($from);
if ($from[0][1]) {
$from = decodeHeader($from[0][1], true, false);
} else {
$from = $from[0][0];
}
$messages[$msgi]['FROM-SORT'] = $from;
$subject_sort = strtolower(decodeHeader($subject, true, false));
if (preg_match("/^(?:(?:vedr|sv|re|aw|fw|fwd|\[\w\]):\s*)*\s*(.*)$/si", $subject_sort, $matches)){
$messages[$msgi]['SUBJECT-SORT'] = $matches[1];
} else {
$messages[$msgi]['SUBJECT-SORT'] = $subject_sort;
}
$to = parseAddress($to);
if ($to[0][1]) {
$to = decodeHeader($to[0][1], true, false);
} else {
$to = $to[0][0];
}
$messages[$msgi]['TO-SORT'] = $to;
}
++$msgi;
}
array_reverse($messages);
$new_messages = array();
foreach ($messages as $i =>$message) {
$new_messages[] = $message;
}
return $new_messages;
}
/**
* Obsolete?
*/
function sqimap_get_headerfield($imap_stream, $field) {
global $uid_support, $squirrelmail_language;
$sid = sqimap_session_id(false);
$results = array();
$read_list = array();
$query = "FETCH 1:* (UID BODY.PEEK[HEADER.FIELDS ($field)])";
$readin_list = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, $uid_support);
$i = 0;
foreach ($readin_list as $r) {
$r = implode('',$r);
/* first we unfold the header */
$r = str_replace(array("\r\n", "\n\t","\n\s"),array("\n",'',''),$r);
/*
* now we can make a new header array with each element representing
* a headerline
*/
$r = explode("\n" , $r);
if (!$uid_support) {
if (!preg_match("/^\\*\s+([0-9]+)\s+FETCH/iAU",$r[0], $regs)) {
set_up_language($squirrelmail_language);
echo '<br /><b><font color="'.$color[2].'">' .
_("ERROR: Could not complete request.") .
'</b><br />' .
_("Unknown response from IMAP server:") . ' 1.' .
$r[0] . "</font><br />\n";
} else {
$id = $regs[1];
}
} else {
if (!preg_match("/^\\*\s+([0-9]+)\s+FETCH.*UID\s+([0-9]+)\s+/iAU",$r[0], $regs)) {
set_up_language($squirrelmail_language);
echo '<br /><b><font color="'.$color[2].'">' .
_("ERROR: Could not complete request.") .
'</b><br />' .
_("Unknown response from IMAP server:") . ' 1.' .
$r[0] . "</font><br />\n";
} else {
$id = $regs[2];
}
}
$field = $r[1];
$field = substr($field,strlen($field)+2);
$result[] = array($id,$field);
}
return $result;
}
/**
* Returns a message array with all the information about a message.
* See the documentation folder for more information about this array.
*/
function sqimap_get_message($imap_stream, $id, $mailbox) {
global $uid_support;
// typecast to int to prohibit 1:* msgs sets
$id = (int) $id;
$flags = array();
$read = sqimap_run_command($imap_stream, "FETCH $id (FLAGS BODYSTRUCTURE)", true, $response, $message, $uid_support);
if ($read) {
if (preg_match('/.+FLAGS\s\((.*)\)\s/AUi',$read[0],$regs)) {
if (trim($regs[1])) {
$flags = preg_split('/ /', $regs[1],-1,PREG_SPLIT_NO_EMPTY);
}
}
} else {
/* the message was not found, maybe the mailbox was modified? */
global $sort, $startMessage, $color;
$errmessage = _("The server couldn't find the message you requested.") .
'<p>'._("Most probably your message list was out of date and the message has been moved away or deleted (perhaps by another program accessing the same mailbox).");
/* this will include a link back to the message list */
error_message($errmessage, $mailbox, $sort, (int) $startMessage, $color);
exit;
}
$bodystructure = implode('',$read);
$msg = mime_structure($bodystructure,$flags);
$read = sqimap_run_command($imap_stream, "FETCH $id BODY[HEADER]", true, $response, $message, $uid_support);
$rfc822_header = new Rfc822Header();
$rfc822_header->parseHeader($read);
$msg->rfc822_header = $rfc822_header;
parse_message_entities($msg, $id, $imap_stream);
return $msg;
}
/**
* Recursively parse embedded messages (if any) in the given
* message, building correct rfc822 headers for each one
*
* @param object $msg The message object to scan for attached messages
* NOTE: this is passed by reference! Changes made
* within will affect the caller's copy of $msg!
* @param int $id The top-level message UID on the IMAP server, even
* if the $msg being passed in is only an attached entity
* thereof.
* @param resource $imap_stream A live connection to the IMAP server.
*
* @return void
*
* @since 1.4.11
*
*/
function parse_message_entities(&$msg, $id, $imap_stream) {
global $uid_support;
if (!empty($msg->entities)) foreach ($msg->entities as $i => $entity) {
if (is_object($entity) && strtolower(get_class($entity)) == 'message') {
if (!empty($entity->rfc822_header)) {
$read = sqimap_run_command($imap_stream, "FETCH $id BODY[". $entity->entity_id .".HEADER]", true, $response, $message, $uid_support);
$rfc822_header = new Rfc822Header();
$rfc822_header->parseHeader($read);
$msg->entities[$i]->rfc822_header = $rfc822_header;
}
parse_message_entities($msg->entities[$i], $id, $imap_stream);
}
}
}
/**
* Copies specified messages to specified folder
*
* This function is removed from SquirrelMail 1.5.1 and later versions.
* @param stream $imap_stream IMAP connection resource
* @param string $start starting message id or uid.
* @param string $end end message id or uid
* @param string $mailbox target mailbox
* @param boolean $handle_errors (since 1.4.8) handle errors
* @return boolean (since 1.4.8) true, if message copy command was successful.
* false on error.
* @since 0.4
* @deprecated Use sqimap_msgs_list_copy() instead.
*/
function sqimap_messages_copy($imap_stream, $start, $end, $mailbox, $handle_errors=true) {
global $uid_support;
$read = sqimap_run_command ($imap_stream, "COPY $start:$end \"$mailbox\"", $handle_errors, $response, $message, $uid_support);
return ($response == 'OK');
}
/**
* Deletes specified messages and moves them to trash if possible
* Obsolete
*/
function sqimap_messages_delete($imap_stream, $start, $end, $mailbox) {
global $move_to_trash, $trash_folder, $auto_expunge, $uid_support;
if (($move_to_trash == true) && (sqimap_mailbox_exists($imap_stream, $trash_folder) && ($mailbox != $trash_folder))) {
/**
* turn off internal error handling (fifth argument = false) and
* ignore copy to trash errors (allows to delete messages when overquota)
*/
sqimap_messages_copy ($imap_stream, $start, $end, $trash_folder, false);
}
sqimap_messages_flag ($imap_stream, $start, $end, "Deleted", true);
}
/**
* Sets the specified messages with specified flag
*/
function sqimap_messages_flag($imap_stream, $start, $end, $flag, $handle_errors) {
global $uid_support;
$read = sqimap_run_command ($imap_stream, "STORE $start:$end +FLAGS (\\$flag)", $handle_errors, $response, $message, $uid_support);
}
/* Remove specified flag from specified messages */
function sqimap_messages_remove_flag($imap_stream, $start, $end, $flag, $handle_errors) {
global $uid_support;
$read = sqimap_run_command ($imap_stream, "STORE $start:$end -FLAGS (\\$flag)", $handle_errors, $response, $message, $uid_support);
}
function sqimap_toggle_flag($imap_stream, $id, $flag, $set, $handle_errors) {
global $uid_support;
$msgs_id = sqimap_message_list_squisher($id);
$set_string = ($set ? '+' : '-');
$read = sqimap_run_command ($imap_stream, "STORE $msgs_id ".$set_string."FLAGS ($flag)", $handle_errors, $response, $message, $uid_support);
}
/**
* Obsolete?
*/
function sqimap_get_small_header($imap_stream, $id, $sent) {
$res = sqimap_get_small_header_list($imap_stream, $id, $sent);
return $res[0];
}
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