/**
* imap_general.php
*
- * Copyright (c) 1999-2004 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
- *
- * This implements all functions that do general imap functions.
+ * This implements all functions that do general IMAP functions.
*
+ * @copyright © 1999-2005 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id$
* @package squirrelmail
* @subpackage imap
/** Includes.. */
require_once(SM_PATH . 'functions/page_header.php');
require_once(SM_PATH . 'functions/auth.php');
+include_once(SM_PATH . 'functions/rfc822address.php');
/**
* Generates a new session ID by incrementing the last one used;
* this ensures that each command has a unique ID.
- * @param bool unique_id
+ * @param bool $unique_id (since 1.3.0) controls use of unique
+ * identifiers/message sequence numbers in IMAP commands. See IMAP
+ * rfc 'UID command' chapter.
* @return string IMAP session id of the form 'A000'.
+ * @since 1.2.0
*/
function sqimap_session_id($unique_id = FALSE) {
static $sqimap_session_id = 1;
/**
* Both send a command and accept the result from the command.
* This is to allow proper session number handling.
+ * @param stream $imap_stream imap connection resource
+ * @param string $query imap command
+ * @param boolean $handle_errors see sqimap_retrieve_imap_response()
+ * @param array $response
+ * @param array $message
+ * @param boolean $unique_id (since 1.3.0) see sqimap_session_id().
+ * @return mixed returns false on imap error. displays error message
+ * if imap stream is not available.
+ * @since 1.2.3
*/
function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
if ($imap_stream) {
set_up_language($squirrelmail_language);
require_once(SM_PATH . 'functions/display_messages.php');
$string = "<b><font color=\"$color[2]\">\n" .
- _("ERROR : No available imapstream.") .
+ _("ERROR: No available IMAP stream.") .
"</b></font>\n";
error_box($string,$color);
return false;
}
}
+/**
+ * @param stream $imap_stream imap connection resource
+ * @param string $query imap command
+ * @param boolean $handle_errors see sqimap_retrieve_imap_response()
+ * @param array $response empty string, if return = false
+ * @param array $message empty string, if return = false
+ * @param boolean $unique_id (since 1.3.0) see sqimap_session_id()
+ * @param boolean $filter (since 1.4.1 and 1.5.0) see sqimap_fread()
+ * @param mixed $outputstream (since 1.4.1 and 1.5.0) see sqimap_fread()
+ * @param boolean $no_return (since 1.4.1 and 1.5.0) see sqimap_fread()
+ * @return mixed returns false on imap error. displays error message
+ * if imap stream is not available.
+ * @since 1.2.3
+ */
function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response,
&$message, $unique_id = false,$filter=false,
$outputstream=false,$no_return=false) {
$read = sqimap_read_data ($imap_stream, $tag, $handle_errors, $response,
$message, $query,$filter,$outputstream,$no_return);
- if (empty($read)) { //Imap server dropped its connection
+ if (empty($read)) { //IMAP server dropped its connection
$response = '';
$message = '';
return false;
set_up_language($squirrelmail_language);
require_once(SM_PATH . 'functions/display_messages.php');
$string = "<b><font color=\"$color[2]\">\n" .
- _("ERROR : No available imapstream.") .
+ _("ERROR: No available IMAP stream.") .
"</b></font>\n";
error_box($string,$color);
return false;
}
}
+/**
+ * @param mixed $new_query
+ * @param string $tag
+ * @param array $aQuery
+ * @param boolean $unique_id see sqimap_session_id()
+ * @since 1.5.0
+ */
function sqimap_prepare_pipelined_query($new_query,&$tag,&$aQuery,$unique_id) {
$sid = sqimap_session_id($unique_id);
$tag_uid_a = explode(' ',trim($sid));
$aQuery[$tag] = $query;
}
+/**
+ * @param stream $imap_stream imap stream
+ * @param array $aQueryList
+ * @param boolean $handle_errors
+ * @param array $aServerResponse
+ * @param array $aServerMessage
+ * @param boolean $unique_id see sqimap_session_id()
+ * @param boolean $filter see sqimap_fread()
+ * @param mixed $outputstream see sqimap_fread()
+ * @param boolean $no_return see sqimap_fread()
+ * @since 1.5.0
+ */
function sqimap_run_pipelined_command ($imap_stream, $aQueryList, $handle_errors,
&$aServerResponse, &$aServerMessage, $unique_id = false,
$filter=false,$outputstream=false,$no_return=false) {
$aResponse = false;
/*
- Do not fire all calls at once to the imap-server but split the calls up
+ Do not fire all calls at once to the IMAP server but split the calls up
in portions of $iChunkSize. If we do not do that I think we misbehave as
- IMAP client or should handle BYE calls if the IMAP-server drops the
+ IMAP client or should handle BYE calls if the IMAP server drops the
connection because the number of queries is to large. This isn't tested
but a wild guess how it could work in the field.
}
/**
- * Custom fgets function: gets a line from the IMAP-server,
+ * Custom fgets function: gets a line from the IMAP server,
* no matter how big it may be.
- * @param stream imap_stream the stream to read from
+ * @param stream $imap_stream the stream to read from
* @return string a line
+ * @since 1.2.8
*/
function sqimap_fgets($imap_stream) {
$read = '';
return $results;
}
+/**
+ * @param stream $imap_stream
+ * @param integer $iSize
+ * @param boolean $filter
+ * @param mixed $outputstream stream or 'php://stdout' string
+ * @param boolean $no_return controls data returned by function
+ * @return string
+ * @since 1.4.1
+ */
function sqimap_fread($imap_stream,$iSize,$filter=false,
$outputstream=false, $no_return=false) {
if (!$filter || !$outputstream) {
/**
* Obsolete function, inform plugins that use it
- * @deprecated use sqimap_run_command or sqimap_run_command_list instead
+ * @param stream $imap_stream
+ * @param string $tag
+ * @param boolean $handle_errors
+ * @param array $response
+ * @param array $message
+ * @param string $query
+ * @since 1.1.3
+ * @deprecated (since 1.5.0) use sqimap_run_command or sqimap_run_command_list instead
*/
function sqimap_read_data_list($imap_stream, $tag, $handle_errors,
&$response, &$message, $query = '') {
set_up_language($squirrelmail_language);
require_once(SM_PATH . 'functions/display_messages.php');
$string = "<b><font color=\"$color[2]\">\n" .
- _("ERROR : Bad function call.") .
+ _("ERROR: Bad function call.") .
"</b><br />\n" .
_("Reason:") . ' '.
'There is a plugin installed which make use of the <br />' .
}
/**
- * Function to display an error related to an IMAP-query.
+ * Function to display an error related to an IMAP query.
* @param string title the caption of the error box
* @param string query the query that went wrong
* @param string message_title optional message title
* @param string message optional error message
* @param string $link an optional link to try again
* @return void
+ * @since 1.5.0
*/
function sqimap_error_box($title, $query = '', $message_title = '', $message = '', $link = '')
{
* Reads the output from the IMAP stream. If handle_errors is set to true,
* this will also handle all errors that are received. If it is not set,
* the errors will be sent back through $response and $message.
+ * @param stream $imap_stream imap stream
+ * @param string $tag
+ * @param boolean $handle_errors handle errors internally or send them in $response and $message.
+ * @param array $response
+ * @param array $message
+ * @param string $query command that can be printed if something fails
+ * @param boolean $filter see sqimap_fread()
+ * @param mixed $outputstream see sqimap_fread()
+ * @param boolean $no_return see sqimap_fread()
+ * @since 1.5.0
*/
function sqimap_retrieve_imap_response($imap_stream, $tag, $handle_errors,
&$response, &$message, $query = '',
$resultlist = array();
$data = array();
$read = sqimap_fgets($imap_stream);
- $i = $k = 0;
+ $i = 0;
while ($read) {
$char = $read{0};
switch ($char)
if (!$handle_errors) {
$query = '';
}
- sqimap_error_box(_("ERROR : Imap server closed the connection."), $query, _("Server responded:"),$sResponse);
+ sqimap_error_box(_("ERROR: IMAP server closed the connection."), $query, _("Server responded:"),$sResponse);
echo '</body></html>';
exit;
} else if ($handle_errors) {
unset($data);
- sqimap_error_box(_("ERROR : Connection dropped by imap-server."), $query);
+ sqimap_error_box(_("ERROR: Connection dropped by IMAP server."), $query);
exit;
}
}
case 'NO':
/* ignore this error from M$ exchange, it is not fatal (aka bug) */
if (strstr($message[$tag], 'command resulted in') === false) {
- sqimap_error_box(_("ERROR : Could not complete request."), $query, _("Reason Given: "), $message[$tag]);
+ sqimap_error_box(_("ERROR: Could not complete request."), $query, _("Reason Given:") . ' ', $message[$tag]);
echo '</body></html>';
exit;
}
break;
case 'BAD':
- sqimap_error_box(_("ERROR : Bad or malformed request."), $query, _("Server responded: "), $message[$tag]);
+ sqimap_error_box(_("ERROR: Bad or malformed request."), $query, _("Server responded:") . ' ', $message[$tag]);
echo '</body></html>';
exit;
case 'BYE':
- sqimap_error_box(_("ERROR : Imap server closed the connection."), $query, _("Server responded: "), $message[$tag]);
+ sqimap_error_box(_("ERROR: IMAP server closed the connection."), $query, _("Server responded:") . ' ', $message[$tag]);
echo '</body></html>';
exit;
default:
- sqimap_error_box(_("ERROR : Unknown imap response."), $query, _("Server responded: "), $message[$tag]);
+ sqimap_error_box(_("ERROR: Unknown IMAP response."), $query, _("Server responded:") . ' ', $message[$tag]);
/* the error is displayed but because we don't know the reponse we
return the result anyway */
return $aResponse;
}
}
+/**
+ * @param stream $imap_stream imap string
+ * @param string $tag_uid
+ * @param boolean $handle_errors
+ * @param array $response
+ * @param array $message
+ * @param string $query (since 1.2.5)
+ * @param boolean $filter (since 1.4.1) see sqimap_fread()
+ * @param mixed $outputstream (since 1.4.1) see sqimap_fread()
+ * @param boolean $no_return (since 1.4.1) see sqimap_fread()
+ */
function sqimap_read_data ($imap_stream, $tag_uid, $handle_errors,
&$response, &$message, $query = '',
$filter=false,$outputstream=false,$no_return=false) {
* @param int port port number to connect to
* @param bool tls whether to use TLS when connecting.
* @return imap-stream resource identifier
+ * @since 1.5.0 (usable only in 1.5.1 or later)
*/
function sqimap_create_stream($server,$port,$tls=false) {
global $squirrelmail_language;
'<br />'.
_("TLS is enabled, but this version of PHP does not support TLS sockets, or is missing the openssl extension.").
'<br /><br />'.
- _("Please contact your system administrator and report this error.") );
+ _("Please contact your system administrator and report this error."),
+ sprintf(_("Error connecting to IMAP server: %s."), $server));
}
}
set_up_language($squirrelmail_language, true);
require_once(SM_PATH . 'functions/display_messages.php');
logout_error( sprintf(_("Error connecting to IMAP server: %s."), $server).
- "<br />\r\n$error_number : $error_string<br />\r\n" );
+ "<br />\r\n$error_number : $error_string<br />\r\n",
+ sprintf(_("Error connecting to IMAP server: %s."), $server) );
exit;
}
$server_info = fgets ($imap_stream, 1024);
}
/**
- * Logs the user into the imap server. If $hide is set, no error messages
- * will be displayed. This function returns the imap connection handle.
+ * Logs the user into the IMAP server. If $hide is set, no error messages
+ * will be displayed. This function returns the IMAP connection handle.
+ * @param string $username user name
+ * @param string $password encrypted password
+ * @param string $imap_server_address address of imap server
+ * @param integer $imap_port port of imap server
+ * @param boolean $hide controls display connection errors
+ * @return stream
*/
function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
global $color, $squirrelmail_language, $onetimepad, $use_imap_tls,
exit;
}
}
+
+ /* Special error case:
+ * Login referrals. The server returns:
+ * ? OK [REFERRAL <imap url>]
+ * Check RFC 2221 for details. Since we do not support login referrals yet
+ * we log the user out.
+ */
+ if ( stristr($message, 'REFERRAL imap') === TRUE ) {
+ sqimap_logout($imap_stream);
+ set_up_language($squirrelmail_language, true);
+ include_once(SM_PATH . 'functions/display_messages.php' );
+ sqsession_destroy();
+ logout_error( _("Your mailbox is not located at this server. Try a different server or consult your system administrator") );
+ exit;
+ }
+
return $imap_stream;
}
/**
* Simply logs out the IMAP session
- * @param stream imap_stream the IMAP connection to log out.
+ * @param stream $imap_stream the IMAP connection to log out.
* @return void
*/
function sqimap_logout ($imap_stream) {
}
/**
- * Retreive the CAPABILITY string from the IMAP server.
+ * Retrieve the CAPABILITY string from the IMAP server.
* If capability is set, returns only that specific capability,
* else returns array of all capabilities.
+ * @param stream $imap_stream
+ * @param string $capability (optional since 1.3.0)
+ * @return mixed (string if $capability is set and found,
+ * false, if $capability is set and not found,
+ * array if $capability not set)
*/
function sqimap_capability($imap_stream, $capability='') {
- global $sqimap_capabilities;
+ sqgetGlobalVar('sqimap_capabilities', $sqimap_capabilities, SQ_SESSION);
+
if (!is_array($sqimap_capabilities)) {
$read = sqimap_run_command($imap_stream, 'CAPABILITY', true, $a, $b);
for ($i=2; $i < count($c); $i++) {
$cap_list = explode('=', $c[$i]);
if (isset($cap_list[1])) {
- // FIX ME. capabilities can occure multiple times.
- // THREAD=REFERENCES THREAD=ORDEREDSUBJECT
- $sqimap_capabilities[$cap_list[0]] = $cap_list[1];
+ $sqimap_capabilities[trim($cap_list[0])][] = $cap_list[1];
} else {
- $sqimap_capabilities[$cap_list[0]] = TRUE;
+ $sqimap_capabilities[trim($cap_list[0])] = TRUE;
}
}
}
}
/**
- * Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test
+ * Returns the delimiter between mailboxes: INBOX/Test, or INBOX.Test
+ * @param stream $imap_stream
+ * @return string
*/
function sqimap_get_delimiter ($imap_stream = false) {
global $sqimap_delimiter, $optional_delimiter;
return $optional_delimiter;
}
+ /* Delimiter is stored in the session from redirect. Try fetching from there first */
+ if (empty($sqimap_delimiter) {
+ sqgetGlobalVar('delimiter',$sqimap_delimiter,SQ_SESSION);
+ }
+
/* Do some caching here */
if (!$sqimap_delimiter) {
if (sqimap_capability($imap_stream, 'NAMESPACE')) {
} else {
fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
$read = sqimap_read_data($imap_stream, '.', true, $a, $b);
- $read = $read['.'][0]; //sqimap_read_data() now returns a tag array of response array
+ $read = $read['.'][0]; //sqimap_read_data() now returns a tag array of response array
$quote_position = strpos ($read[0], '"');
$sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
}
/**
* This encodes a mailbox name for use in IMAP commands.
- * @param string what the mailbox to encode
+ * @param string $what the mailbox to encode
* @return string the encoded mailbox string
+ * @since 1.5.0
*/
function sqimap_encode_mailbox_name($what)
{
- if (ereg("[\"\\\r\n]", $what))
- return '{' . strlen($what) . "}\r\n" . $what; /* 4.3 literal form */
- return '"' . $what . '"'; /* 4.3 quoted string form */
+ if (ereg("[\"\\\r\n]", $what))
+ return '{' . strlen($what) . "}\r\n" . $what; /* 4.3 literal form */
+ return '"' . $what . '"'; /* 4.3 quoted string form */
}
/**
* Gets the number of messages in the current mailbox.
*
* OBSOLETE use sqimap_status_messages instead.
+ * @param stream $imap_stream imap stream
+ * @param string $mailbox
+ * @deprecated
*/
function sqimap_get_num_messages ($imap_stream, $mailbox) {
$read_ary = sqimap_run_command ($imap_stream, 'EXAMINE ' . sqimap_encode_mailbox_name($mailbox), false, $result, $message);
}
return false; //"BUG! Couldn't get number of messages in $mailbox!";
}
-include_once(SM_PATH . 'functions/rfc822address.php');
/**
* OBSOLETE FUNCTION should be removed after mailbox_display,
* printMessage function is adapted
+ * $addr_ar = array(), $group = '' and $host='' arguments are used in 1.4.0
+ * @param string $address
+ * @param integer $max
+ * @since 1.4.0
+ * @deprecated See Rfc822Address.php
*/
function parseAddress($address, $max=0) {
$aAddress = parseRFC822Address($address,array('limit'=> $max));
/**
* OBSOLETE FUNCTION should be removed after mailbox_display,
* printMessage function is adapted
+ *
+ * callback function used for formating of addresses array in
+ * parseAddress() function
+ * @param array $aAddr
+ * @param integer $k array key
+ * @since 1.5.1
+ * @deprecated
*/
function _adaptAddress(&$aAddr,$k) {
$sPersonal = (isset($aAddr[SQM_ADDR_PERSONAL]) && $aAddr[SQM_ADDR_PERSONAL]) ?
/**
* Returns the number of unseen messages in this folder.
* obsoleted by sqimap_status_messages !
+ * Arguments differ in 1.0.x
+ * @param stream $imap_stream
+ * @param string $mailbox
+ * @return integer
+ * @deprecated
*/
function sqimap_unseen_messages ($imap_stream, $mailbox) {
$aStatus = sqimap_status_messages($imap_stream,$mailbox,array('UNSEEN'));
/**
* Returns the status items of a mailbox.
* Default it returns MESSAGES,UNSEEN and RECENT
- * Supported status items are MESSAGES, UNSEEN, RECENT, UIDNEXT and UIDVALIDITY
+ * Supported status items are MESSAGES, UNSEEN, RECENT (since 1.4.0),
+ * UIDNEXT (since 1.5.1) and UIDVALIDITY (since 1.5.1)
+ * @param stream $imap_stream imap stream
+ * @param string $mailbox mail folder
+ * @param array $aStatusItems status items
+ * @return array
+ * @since 1.3.2
*/
function sqimap_status_messages ($imap_stream, $mailbox,
$aStatusItems = array('MESSAGES','UNSEEN','RECENT')) {
/**
* Saves a message to a given folder -- used for saving sent messages
+ * @param stream $imap_stream
+ * @param string $sent_folder
+ * @param $length
*/
function sqimap_append ($imap_stream, $sent_folder, $length) {
- fputs ($imap_stream, sqimap_session_id() . ' APPEND ' . sqimap_encode_mailbox_name($sent_folder) . " (\\Seen) \{$length}\r\n");
+ fputs ($imap_stream, sqimap_session_id() . ' APPEND ' . sqimap_encode_mailbox_name($sent_folder) . " (\\Seen) {".$length."}\r\n");
$tmp = fgets ($imap_stream, 1024);
+ sqimap_append_checkresponse($tmp, $sent_folder);
}
+/**
+ * @param stream imap_stream
+ * @param string $folder (since 1.3.2)
+ */
function sqimap_append_done ($imap_stream, $folder='') {
- global $squirrelmail_language, $color;
fputs ($imap_stream, "\r\n");
$tmp = fgets ($imap_stream, 1024);
- if (preg_match("/(.*)(BAD|NO)(.*)$/", $tmp, $regs)) {
+ sqimap_append_checkresponse($tmp, $folder);
+}
+
+/**
+ * Displays error messages, if there are errors in responses to
+ * commands issues by sqimap_append() and sqimap_append_done() functions.
+ * @param string $response
+ * @param string $folder
+ * @since 1.5.1
+ */
+function sqimap_append_checkresponse($response, $folder) {
+
+ if (preg_match("/(.*)(BAD|NO)(.*)$/", $response, $regs)) {
+ global $squirrelmail_language, $color;
set_up_language($squirrelmail_language);
require_once(SM_PATH . 'functions/display_messages.php');
+
$reason = $regs[3];
if ($regs[2] == 'NO') {
$string = "<b><font color=\"$color[2]\">\n" .
- _("ERROR : Could not append message to") ." $folder." .
+ _("ERROR: Could not append message to") ." $folder." .
"</b><br />\n" .
- _("Server responded: ") .
+ _("Server responded:") . ' ' .
$reason . "<br />\n";
if (preg_match("/(.*)(quota)(.*)$/i", $reason, $regs)) {
- $string .= _("Solution: ") .
+ $string .= _("Solution:") . ' ' .
_("Remove unneccessary messages from your folder and start with your Trash folder.")
."<br />\n";
}
error_box($string,$color);
} else {
$string = "<b><font color=\"$color[2]\">\n" .
- _("ERROR : Bad or malformed request.") .
+ _("ERROR: Bad or malformed request.") .
"</b><br />\n" .
- _("Server responded: ") .
- $tmp . "</font><br />\n";
+ _("Server responded:") . ' ' .
+ $reason . "</font><br />\n";
error_box($string,$color);
exit;
}
}
}
+/**
+ * Allows mapping of IMAP server address with custom function
+ * see map_yp_alias()
+ * @param string $imap_server imap server address or mapping
+ * @param string $username
+ * @return string
+ * @since 1.3.0
+ */
function sqimap_get_user_server ($imap_server, $username) {
if (substr($imap_server, 0, 4) != "map:") {
return $imap_server;
}
/**
- * This is an example that gets imapservers from yellowpages (NIS).
+ * This is an example that gets IMAP servers from yellowpages (NIS).
* you can simple put map:map_yp_alias in your $imap_server_address
* in config.php use your own function instead map_yp_alias to map your
- * LDAP whatever way to find the users imapserver.
+ * LDAP whatever way to find the users IMAP server.
+ *
+ * Requires access to external ypmatch program
+ * FIXME: it can be implemented in php yp extension or pecl (since php 5.1.0)
+ * @param string $username
+ * @return string
+ * @since 1.3.0
*/
function map_yp_alias($username) {
$yp = `ypmatch $username aliases`;
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