Source for file imap_messages.php
Documentation is available at imap_messages.php
* This implements functions that manipulate messages
* NOTE: Quite a few functions in this file are obsolete
* @copyright © 1999-2006 The SquirrelMail Project Team
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id: imap_messages.php,v 1.208 2006/09/30 09:49:08 tokul Exp $
* Copy a set of messages ($id) to another mailbox ($mailbox)
* @param int $imap_stream The resource ID for the IMAP socket
* @param string $id The list of messages to copy
* @param string $mailbox The destination to copy to
* @param bool $handle_errors Show error messages in case of a NO, BAD or BYE response
* @return bool If the copy completed without errors
* Move a set of messages ($id) to another mailbox. Deletes the originals.
* @param int $imap_stream The resource ID for the IMAP socket
* @param string $id The list of messages to move
* @param string $mailbox The destination to move to
* @param bool $handle_errors Show error messages in case of a NO, BAD or BYE response
* @param string $source_mailbox (since 1.5.1) name of source mailbox. It is used to
* validate that target mailbox != source mailbox.
* @return bool If the move completed without errors
function sqimap_msgs_list_move($imap_stream, $id, $mailbox, $handle_errors =
true, $source_mailbox =
false) {
if ($source_mailbox!==
false &&
$source_mailbox==
$mailbox) {
* Deletes a message and move it to trash or expunge the mailbox
* @param resource imap connection
* @param string $mailbox mailbox, used for checking if it concerns the trash_folder
* @param array $id list with uid's
* @param bool $bypass_trash (since 1.5.0) skip copy to trash
* @return array $aMessageList array with messages containing the new flags and UID @see parseFetch
// FIX ME, remove globals by introducing an associative array with properties
// as 4th argument as replacement for the bypass_trash var
global $move_to_trash, $trash_folder;
if (($move_to_trash ==
true) &&
($bypass_trash !=
true) &&
* turn off internal error handling (fourth argument = false) and
* ignore copy to trash errors (allows to delete messages when overquota)
* Set a flag on the provided uid list
* @param resource imap connection
* @param array $id list with uid's
* @param string $flag Flags to set/unset flags can be i.e.'\Seen', '\Answered', '\Seen \Answered'
* @param bool $set add (true) or remove (false) the provided flag
* @param bool $handle_errors Show error messages in case of a NO, BAD or BYE response
* @return array $aMessageList array with messages containing the new flags and UID @see parseFetch
$set_string =
($set ?
'+' :
'-');
for ($i=
0; $i<
sizeof($id); $i++
) {
$aMessageList["$id[$i]"] =
array();
$aResponse =
sqimap_run_command_list($imap_stream, "STORE $msgs_id ".
$set_string.
"FLAGS ($flag)", $handle_errors, $response, $message, TRUE);
// parse the fetch response
$parseFetchResults=
parseFetch($aResponse,$aMessageList);
// some broken IMAP servers do not return UID elements on UID STORE
// if this is the case, then we need to do a UID FETCH
if (!isset
($parseFetchResults[$testkey]['UID'])) {
$aResponse =
sqimap_run_command_list($imap_stream, "FETCH $msgs_id (FLAGS)", $handle_errors, $response, $message, TRUE);
$parseFetchResults =
parseFetch($aResponse,$aMessageList);
return ($parseFetchResults);
* Sort the message list and crunch to be as small as possible
* (overflow could happen, so make it small if possible)
* @param array $aUid array with uid's
* @return string $s message set string
sort($aUid, SORT_NUMERIC);
for ($i=
0,$iCnt=
count($aUid);$i<
$iCnt;++
$i) {
while ($i<
($iCnt-
1) &&
$aUid[$i+
1] ==
$iEnd +
1) {
* Retrieves an array with a sorted uid list. Sorting is done on the imap server
* @link http://www.ietf.org/internet-drafts/draft-ietf-imapext-sort-17.txt
* @param resource $imap_stream IMAP socket connection
* @param string $sSortField Field to sort on
* @param bool $reverse Reverse order search
* @return array $id sorted uid list
$sSortField =
'REVERSE '.
$sSortField;
$query =
"SORT ($sSortField) ".
strtoupper($default_charset).
" $search";
// FIX ME sqimap_run_command should return the parsed data accessible by $aDATA['SORT']
// use sqimap_run_command_list in case of unsollicited responses. If we don't we could loose the SORT response
/* fallback to default charset */
if (strpos($message,'BADCHARSET') !==
false ||
strpos($message,'character') !==
false) {
$query =
"SORT ($sSortField) US-ASCII $search";
} else if ($response ==
'BAD') {
* Parses a UID list returned on a SORT or SEARCH request
* @param array $aData imap response (retrieved from sqimap_run_command_list)
* @param string $sCommand issued imap command (SEARCH or SORT)
* @return array $aUid uid list
if (isset
($aData) &&
count($aData)) {
for ($i=
0,$iCnt=
count($aData);$i<
$iCnt;++
$i) {
for ($j=
0,$jCnt=
count($aData[$i]);$j<
$jCnt;++
$j) {
if (preg_match("/^\* $sCommand (.+)$/", $aData[$i][$j], $aMatch)) {
* Retrieves an array with a sorted uid list. Sorting is done by SquirrelMail
* @param resource $imap_stream IMAP socket connection
* @param string $sSortField Field to sort on
* @param bool $reverse Reverse order search
* @param array $aUid limit the search to the provided array with uid's default sqimap_get_small_headers uses 1:*
* @return array $aUid sorted uid list
function get_squirrel_sort($imap_stream, $sSortField, $reverse =
false, $aUid =
NULL) {
if ($sSortField !=
'RFC822.SIZE' &&
$sSortField !=
'INTERNALDATE') {
array($sSortField), array());
array(), array($sSortField));
'$v[$f] = (isset($v[$f])) ? $v[$f] : "";
$addr = reset(parseRFC822Address($v[$f],1));
$sPersonal = (isset($addr[SQM_ADDR_PERSONAL]) && $addr[SQM_ADDR_PERSONAL]) ?
$addr[SQM_ADDR_PERSONAL] : "";
$sEmail = ($addr[SQM_ADDR_HOST]) ?
$addr[SQM_ADDR_MAILBOX] . "@".$addr[SQM_ADDR_HOST] :
$v[$f] = ($sPersonal) ? decodeHeader($sPersonal):$sEmail;'),$sSortField);
'$v[$f] = (isset($v[$f])) ? $v[$f] : "";
$v[$f] = strtolower(decodeHeader(trim($v[$f])));
$v[$f] = (preg_match("/^(vedr|sv|re|aw|\[\w\]):\s*(.*)$/si", $v[$f], $matches)) ?
$matches[2] : $v[$f];'),$sSortField);
foreach ($msgs as $item) {
$aUid[$item['UID']] =
$item[$sSortField];
'$v[$f] = (isset($v[$f])) ? $v[$f] : "";
$v[$f] = getTimeStamp(explode(" ",$v[$f]));'),$sSortField);
// redefine $sSortField to maintain the same namespace between
// server-side sorting and SquirrelMail sorting
foreach ($msgs as $item) {
$aUid[$item['UID']] =
(isset
($item[$sSortField])) ?
$item[$sSortField] :
0;
asort($aUid, SORT_NUMERIC);
* Returns an array with each element as a string representing one
* message-thread as returned by the IMAP server.
* @param resource $imap_stream IMAP socket connection
* @param string $search optional search string
* @link http://www.ietf.org/internet-drafts/draft-ietf-imapext-sort-13.txt
$sort_type =
'REFERENCES';
$sort_type =
'ORDEREDSUBJECT';
$query =
"THREAD $sort_type ".
strtoupper($default_charset).
" $search";
// TODO use sqimap_run_command_list as we do in get_server_sort()
/* fallback to default charset */
if (strpos($message,'BADCHARSET') !==
false ||
strpos($message,'character') !==
false) {
$query =
"THREAD $sort_type US-ASCII $search";
} elseif ($response ==
'BAD') {
for ($i=
0,$iCnt=
count($sRead);$i<
$iCnt;++
$i) {
if (preg_match("/^\* THREAD (.+)$/", $sRead[$i], $aMatch)) {
$sThreadResponse =
trim($aMatch[1]);
if ($response !==
'OK') {
* S: * THREAD (2)(3 6 (4 23)(44 7 96))
* indent_array should contain: indent_level, parent and flags,
* To achieve that we need to define the following flags:
* a node has sibling nodes if it's not the last node
* a node has no sibling nodes if it's the last node
* By using binary comparations we can store the flag in one var
* -1 par = 0, level = 0, flag = 1 + 2 + 4 = 7 (haschildren, isfirst, islast)
* \-2 par = 1, level = 1, flag = 0 + 2 = 2 (hasnochildren, isfirst)
* |-3 par = 1, level = 1, flag = 1 + 4 = 5 (haschildren, islast)
* \-4 par = 3, level = 2, flag = 1 + 2 + 4 = 7 (haschildren, isfirst, islast)
* \-5 par = 4, level = 3, flag = 0 + 2 + 4 = 6 (hasnochildren, isfirst, islast)
$aUidSubThread =
array();
for ($i=
0,$iCnt =
strlen($sThreadResponse);$i<
$iCnt;++
$i) {
$cChar =
$sThreadResponse{$i};
case '(':
// new sub thread
// correction for a subthread of a thread with no parents in thread
if (!count($aUidSubThread) &&
$j >
0) {
case ')':
// close sub thread
$aUidSubThread[] =
$sUid;
$aIndent[$sUid] =
$j +
$l -
1;
// show message that starts the thread first.
// do not use array_merge because it's extremely slow and is causing timeouts
foreach ($aUidSubThread as $iUid) {
$aUidSubThread =
array();
$aUidSubThread[] =
$sUid;
$aIndent[$sUid] =
$j +
$l -
1;
// show newest threads first
return array($aUidThread,$aIndent);
$timepassed =
1000000 *
($stop['sec'] -
$start['sec']) +
$stop['usec'] -
$start['usec'];
* 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.
* FIXME: DUPLICATE CODE ALERT:
* NOTE: this is actually a duplicate from the function in
* class/mime/Rfc822Header.php.
* @todo obsolate function or use it instead of code block in parseFetch()
if ( $value ==
'urgent' ||
$value ==
'high' ) {
} elseif ( $value ==
'non-urgent' ||
$value ==
'low' ) {
* 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
$iPos =
strpos($read,'"',$iPos);
if ($iPos &&
$read{$iPos -
1} !=
'\\') {
$s =
substr($read,$i,($iPos-
$i));
} else if ($char ==
'{') {
$lit_cnt =
substr($read, $i, $iPos -
$i);
$i +=
strlen($lit_cnt) +
3; /* skip } + \r + \n */
/* Now read the literal */
$s =
($lit_cnt ?
substr($read,$i,$lit_cnt):
'');
/* temp bugfix (SM 1.5 will have a working clean version)
too much work to implement that version right now */
} else { /* should never happen */
$i +=
3; /* } + \r + \n */
* 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
$i_pos =
strpos($read,')',$i);
$s =
substr($read,$i+
1,$i_pos -
$i -
1);
* Retrieves a list with headers, flags, size or internaldate from the imap server
* WARNING: function is not portable between SquirrelMail 1.2.x, 1.4.x and 1.5.x.
* Output format, third argument and $msg_list array format requirements differ.
* @param stream $imap_stream imap connection
* @param array $msg_list array with id's to create a msgs set from
* @param array $aHeaderFields (since 1.5.0) requested header fields
* @param array $aFetchItems (since 1.5.0) requested other fetch items like FLAGS, RFC822.SIZE
* @return array $aMessages associative array with messages. Key is the UID, value is an associative array
$aHeaderFields =
array('Date', 'To', 'Cc', 'From', 'Subject', 'X-Priority', 'Content-Type'),
$aFetchItems =
array('FLAGS', 'RFC822.SIZE', 'INTERNALDATE')) {
* Catch other priority headers as well
if (in_array('X-Priority',$aHeaderFields,true)) {
$aHeaderFields[] =
'Importance';
$aHeaderFields[] =
'Priority';
$bUidFetch =
! in_array('UID', $aFetchItems, true);
/* Get the small headers for each message in $msg_list */
if ($msg_list !==
NULL) {
* 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++
) {
$aMessageList["$msg_list[$i]"] =
array();
$query =
"FETCH $msgs_str (";
if (count($aFetchItems)) {
$sFetchItems =
implode(' ',$aFetchItems);
if (count($aHeaderFields)) {
$sHeaderFields =
implode(' ',$aHeaderFields);
$sFetchItems .=
' BODY.PEEK[HEADER.FIELDS ('.
$sHeaderFields.
')]';
$query .=
trim($sFetchItems) .
')';
$aMessages =
parseFetch($aResponse,$aMessageList);
* Parses a fetch response, currently it can hande FLAGS, HEADERS, RFC822.SIZE, INTERNALDATE and UID
* @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 $aMessageList associative array with messages. Key is the UID, value is an associative array
* @author Marc Groot Koerkamp
function parseFetch(&$aResponse,$aMessageList =
array()) {
for ($j=
0,$iCnt=
count($aResponse);$j<
$iCnt;++
$j) {
$read =
implode('',$aResponse[$j]);
unset
($aResponse[$j]); /* unset does not reindex the array. the for loop is safe */
* #id<space>FETCH<space>(
/* extract the message id */
$i_space =
strpos($read,' ',2);/* position 2ed <space> */
$id =
substr($read,2/* skip "*<space>" */,$i_space -
2);
$fetch =
substr($read,$i_space+
1,5);
$aMsg['ERROR'] =
$read; // htmlspecialchars should be done just before display. this is backend code
$i =
strpos($read,'(',$i_space+
5);
while ($i <
$i_len &&
$i !==
false) {
* use allcaps for imap items and lowcaps for headers as key for the $aMsg array
$i_pos =
strpos($read,' ',$i);
$i_pos =
strpos($read,')',$i);
$unique_id =
substr($read,$i,$i_pos-
$i);
foreach ($flags as $flag) {
$aMsg['FLAGS'] =
$aFlags;
$i_pos =
strpos($read,' ',$i);
$i_pos =
strpos($read,')',$i);
$aMsg['SIZE'] =
substr($read,$i,$i_pos-
$i);
// sqimap_parse_address($read,$i,$aMsg);
break; // to be implemented, moving imap code out of the Message class
break; // to be implemented, moving imap code out of the Message class
case 'BODY.PEEK[HEADER.FIELDS':
case 'BODY[HEADER.FIELDS':
$i =
strpos($read,'{',$i); // header is always returned as literal because it contain \n characters
if ($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", ' ', ' '), $header));
/* Now we can make a new header array with
each element representing a headerline */
foreach ($aHdr as $line) {
if (!strstr($field,' ')) { /* valid field */
case 'x-priority':
$aMsg['x-priority'] =
($value) ? (int)
$value{0} :
3; break;
if (!isset
($aMsg['x-priority'])) {
} elseif ( $sPrio ==
'non-urgent' ||
$sPrio ==
'low' ) {
} elseif ( $sPrio ==
'urgent' ||
$sPrio ==
'high' ) {
// default is normal priority
$aMsg['x-priority'] =
$iPrio;
if ($pos =
strpos($type, ";")) {
$type =
substr($type, 0, $pos);
$aMsg['content-type'] =
array('text','plain');
$aMsg['received'][] =
$value;
if (!empty($unique_id)) {
$aMsg['UID'] =
$unique_id;
$aMessageList[$msgi] =
$aMsg;
* @author Marc Groot Koerkamp
for ($cnt =
strlen($read); ($i <
$cnt) &&
($read{$i} !=
')'); ++
$i) {
/* probably NIL argument */
/* Address structure (with group support)
* Note: Group support is useless on SMTP connections
* because the protocol doesn't support it
for (; $i <
$cnt &&
$read{$i} !=
')'; ++
$i) {
if (($addr[3] ==
'') &&
($addr[2] !=
'')) {
} else if ($group &&
($addr[3] ==
'') &&
($addr[2] ==
'')) {
if ($a ==
($j+
1)) { /* no group members */
$group_addr[0] =
"$group: Undisclosed recipients;";
$d =
strtr($arg_a[0], array(' ' =>
' '));
if (!$arg_a[1]) $arg_a[1] =
'';
$msg['DATE'] =
$d; /* argument 1: date */
$msg['SUBJECT'] =
$arg_a[1]; /* argument 2: subject */
$msg['FROM'] =
is_array($arg_a[2]) ?
$arg_a[2][0] :
''; /* argument 3: from */
$msg['SENDER'] =
is_array($arg_a[3]) ?
$arg_a[3][0] :
''; /* argument 4: sender */
$msg['REPLY-TO'] =
is_array($arg_a[4]) ?
$arg_a[4][0] :
''; /* argument 5: reply-to */
$msg['TO'] =
$arg_a[5]; /* argument 6: to */
$msg['CC'] =
$arg_a[6]; /* argument 7: cc */
$msg['BCC'] =
$arg_a[7]; /* argument 8: bcc */
$msg['IN-REPLY-TO'] =
$arg_a[8]; /* argument 9: in-reply-to */
$msg['MESSAGE-ID'] =
$arg_a[9]; /* argument 10: message-id */
* @author Marc Groot Koerkamp
for (; $read{$i} !=
')'; ++
$i) {
if (count($arg_a) ==
4) {
// $adr = new AddressStructure();
// $adr->personal = $arg_a[0];
// $adr->adl = $arg_a[1];
// $adr->mailbox = $arg_a[2];
// $adr->host = $arg_a[3];
* Returns a message array with all the information about a message.
* See the documentation folder for more information about this array.
* @param resource $imap_stream imap connection
* @param integer $id uid of the message
* @param string $mailbox used for error handling, can be removed because we should return an error code and generate the message elsewhere
* @return Message Message object
// typecast to int to prohibit 1:* msgs sets
$read =
sqimap_run_command($imap_stream, "FETCH $id (FLAGS BODYSTRUCTURE)", true, $response, $message, TRUE);
if (preg_match('/.+FLAGS\s\((.*)\)\s/AUi',$read[0],$regs)) {
$flags =
preg_split('/ /', $regs[1],-
1,PREG_SPLIT_NO_EMPTY);
/* 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);
$bodystructure =
implode('',$read);
$read =
sqimap_run_command($imap_stream, "FETCH $id BODY[HEADER]", true, $response, $message, TRUE);
$rfc822_header->parseHeader($read);
$msg->rfc822_header =
$rfc822_header;
Documentation generated on Sat, 07 Oct 2006 16:11:50 +0300 by phpDocumentor 1.3.0RC6