\n" .
_("ERROR : No available imapstream.") .
"\n";
error_box($string,$color);
return false;
}
}
function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
if ($imap_stream) {
$sid = sqimap_session_id($unique_id);
fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
$read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, $message, $query);
return $read;
} else {
global $squirrelmail_language, $color;
set_up_language($squirrelmail_language);
require_once(SM_PATH . 'functions/display_messages.php');
$string = "\n" .
_("ERROR : No available imapstream.") .
"\n";
error_box($string,$color);
return false;
}
}
/*
* custom fgets function. gets a line from IMAP
* no matter how big it may be
*/
function sqimap_fgets($imap_stream) {
$read = '';
$buffer = 4096;
$results = '';
while (strpos($read, "\n") === false) {
if (!($read = fgets($imap_stream, $buffer))) {
break;
}
$results .= $read;
}
return $results;
}
/*
* 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 $message
*/
function sqimap_read_data_list ($imap_stream, $pre, $handle_errors, &$response, &$message, $query = '') {
global $color, $squirrelmail_language;
$read = '';
$pre_a = explode(' ',trim($pre));
$pre = $pre_a[0];
$resultlist = array();
$data = array();
$read = sqimap_fgets($imap_stream);
while (1) {
switch (true) {
case preg_match("/^$pre (OK|BAD|NO)(.*)$/", $read, $regs):
case preg_match('/^\* (BYE \[ALERT\])(.*)$/', $read, $regs):
$response = $regs[1];
$message = trim($regs[2]);
break 2;
case preg_match("/^\* (OK \[PARSE\])(.*)$/", $read):
$read = sqimap_fgets($imap_stream);
break 1;
case preg_match('/^\* ([0-9]+) FETCH.*/', $read, $regs):
$fetch_data = array();
$fetch_data[] = $read;
$read = sqimap_fgets($imap_stream);
while (!preg_match('/^\* [0-9]+ FETCH.*/', $read) &&
!preg_match("/^$pre (OK|BAD|NO)(.*)$/", $read)) {
$fetch_data[] = $read;
$last = $read;
$read = sqimap_fgets($imap_stream);
}
if (isset($last) && preg_match('/^\)/', $last)) {
array_pop($fetch_data);
}
$resultlist[] = $fetch_data;
break 1;
default:
$data[] = $read;
$read = sqimap_fgets($imap_stream);
break 1;
}
}
if (!empty($data)) {
$resultlist[] = $data;
}
elseif (empty($resultlist)) {
$resultlist[] = array();
}
if ($handle_errors == false) {
return( $resultlist );
}
elseif ($response == 'NO') {
/* ignore this error from M$ exchange, it is not fatal (aka bug) */
if (strstr($message, 'command resulted in') === false) {
set_up_language($squirrelmail_language);
require_once(SM_PATH . 'functions/display_messages.php');
$string = "\n" .
_("ERROR : Could not complete request.") .
"
\n" .
_("Query:") .
$query . '
' .
_("Reason Given: ") .
$message . "
\n";
error_box($string,$color);
exit;
}
}
elseif ($response == 'BAD') {
set_up_language($squirrelmail_language);
require_once(SM_PATH . 'functions/display_messages.php');
$string = "\n" .
_("ERROR : Bad or malformed request.") .
"
\n" .
_("Query:") .
$query . '
' .
_("Server responded: ") .
$message . "
\n";
error_box($string,$color);
exit;
}
else {
return $resultlist;
}
}
function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message, $query = '') {
$res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message, $query);
/* sqimap_read_data should be called for one response
but since it just calls sqimap_read_data_list which
handles multiple responses we need to check for that
and merge the $res array IF they are seperated and
IF it was a FETCH response. */
if (isset($res[1]) && is_array($res[1]) && isset($res[1][0])
&& preg_match('/^\* \d+ FETCH/', $res[1][0])) {
$result = array();
foreach($res as $index=>$value) {
$result = array_merge($result, $res["$index"]);
}
}
if (isset($result)) {
return $result;
}
else {
return $res[0];
}
}
/*
* Logs the user into the imap server. If $hide is set, no error messages
* will be displayed. This function returns the imap connection handle.
*/
function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
global $color, $squirrelmail_language, $onetimepad;
$imap_server_address = sqimap_get_user_server($imap_server_address, $username);
$imap_stream = fsockopen ( $imap_server_address, $imap_port, $error_number, $error_string, 15);
/* Do some error correction */
if (!$imap_stream) {
if (!$hide) {
set_up_language($squirrelmail_language, true);
require_once(SM_PATH . 'functions/display_messages.php');
$string = sprintf (_("Error connecting to IMAP server: %s.") .
"
\r\n", $imap_server_address) .
"$error_number : $error_string
\r\n";
logout_error($string,$color);
}
exit;
}
$server_info = fgets ($imap_stream, 1024);
/* Decrypt the password */
$password = OneTimePadDecrypt($password, $onetimepad);
$query = 'LOGIN "' . quoteIMAP($username) . '" "' . quoteIMAP($password) . '"';
$read = sqimap_run_command ($imap_stream, $query, false, $response, $message);
/* If the connection was not successful, lets see why */
if ($response != 'OK') {
if (!$hide) {
if ($response != 'NO') {
/* "BAD" and anything else gets reported here. */
set_up_language($squirrelmail_language, true);
require_once(SM_PATH . 'functions/display_messages.php');
if ($response == 'BAD') {
$string = sprintf (_("Bad request: %s")."
\r\n", $message);
} else {
$string = sprintf (_("Unknown error: %s") . "
\n", $message);
}
$string .= '
' . _("Read data:") . "
\n";
if (is_array($read)) {
foreach ($read as $line) {
$string .= htmlspecialchars($line) . "
\n";
}
}
error_box($string,$color);
exit;
} else {
/*
* If the user does not log in with the correct
* username and password it is not possible to get the
* correct locale from the user's preferences.
* Therefore, apply the same hack as on the login
* screen.
*
* $squirrelmail_language is set by a cookie when
* the user selects language and logs out
*/
set_up_language($squirrelmail_language, true);
include_once(SM_PATH . 'functions/display_messages.php' );
sqsession_destroy();
logout_error( _("Unknown user or password incorrect.") );
exit;
}
} else {
exit;
}
}
return $imap_stream;
}
/* Simply logs out the IMAP session */
function sqimap_logout ($imap_stream) {
/* Logout is not valid until the server returns 'BYE'
* If we don't have an imap_ stream we're already logged out */
if(isset($imap_stream) && $imap_stream)
sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message);
}
function sqimap_capability($imap_stream, $capability='') {
global $sqimap_capabilities;
if (!is_array($sqimap_capabilities)) {
$read = sqimap_run_command($imap_stream, 'CAPABILITY', true, $a, $b);
$c = explode(' ', $read[0]);
for ($i=2; $i < count($c); $i++) {
$cap_list = explode('=', $c[$i]);
if (isset($cap_list[1])) {
$sqimap_capabilities[$cap_list[0]] = $cap_list[1];
} else {
$sqimap_capabilities[$cap_list[0]] = TRUE;
}
}
}
if ($capability) {
if (isset($sqimap_capabilities[$capability])) {
return $sqimap_capabilities[$capability];
} else {
return false;
}
}
return $sqimap_capabilities;
}
/* Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test */
function sqimap_get_delimiter ($imap_stream = false) {
global $sqimap_delimiter, $optional_delimiter;
/* Use configured delimiter if set */
if((!empty($optional_delimiter)) && $optional_delimiter != 'detect') {
return $optional_delimiter;
}
/* Do some caching here */
if (!$sqimap_delimiter) {
if (sqimap_capability($imap_stream, 'NAMESPACE')) {
/*
* According to something that I can't find, this is supposed to work on all systems
* OS: This won't work in Courier IMAP.
* OS: According to rfc2342 response from NAMESPACE command is:
* OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
* OS: We want to lookup all personal NAMESPACES...
*/
$read = sqimap_run_command($imap_stream, 'NAMESPACE', true, $a, $b);
if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) {
if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2)) {
$pn = $data2[1];
}
$pna = explode(')(', $pn);
while (list($k, $v) = each($pna)) {
$lst = explode('"', $v);
if (isset($lst[3])) {
$pn[$lst[1]] = $lst[3];
} else {
$pn[$lst[1]] = '';
}
}
}
$sqimap_delimiter = $pn[0];
} else {
fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
$read = sqimap_read_data($imap_stream, '.', true, $a, $b);
$quote_position = strpos ($read[0], '"');
$sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
}
}
return $sqimap_delimiter;
}
/* Gets the number of messages in the current mailbox. */
function sqimap_get_num_messages ($imap_stream, $mailbox) {
$read_ary = sqimap_run_command ($imap_stream, "EXAMINE \"$mailbox\"", false, $result, $message);
for ($i = 0; $i < count($read_ary); $i++) {
if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
return $regs[1];
}
}
return false; //"BUG! Couldn't get number of messages in $mailbox!";
}
/* Returns a displayable email address.
* Luke Ehresman
* "Luke Ehresman"
*
* lehresma@css.tayloru.edu (Luke Ehresman)
* lehresma@css.tayloru.edu
* becomes: lehresma@css.tayloru.edu
*/
function sqimap_find_email ($string) {
if (ereg("<([^>]+)>", $string, $regs)) {
$string = $regs[1];
} else if (ereg("([^ ]+@[^ ]+)", $string, $regs)) {
$string = $regs[1];
}
return trim($string);
}
/*
* Takes the From: field and creates a displayable name.
* Luke Ehresman
* "Luke Ehresman"
* lkehresman@yahoo.com (Luke Ehresman)
* becomes: Luke Ehresman
*
* becomes: lkehresman@yahoo.com
*/
function sqimap_find_displayable_name ($string) {
$string = trim($string);
if ( ereg('^(.+)<.*>', $string, $regs) ) {
$orig_string = $string;
$string = str_replace ('"', '', $regs[1] );
if (trim($string) == '') {
$string = sqimap_find_email($orig_string);
}
if( $string == '' || $string == ' ' ){
$string = ' ';
}
}
elseif ( ereg('\((.*)\)', $string, $regs) ) {
if( ( $regs[1] == '' ) || ( $regs[1] == ' ' ) ){
if ( ereg('^(.+) \(', $string, $regs) ) {
$string = ereg_replace( ' \(\)$', '', $string );
} else {
$string = ' ';
}
} else {
$string = $regs[1];
}
}
else {
$string = str_replace ('"', '', sqimap_find_email($string));
}
return trim($string);
}
/*
* Returns the number of unseen messages in this folder
*/
function sqimap_unseen_messages ($imap_stream, $mailbox) {
$read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (UNSEEN)", false, $result, $message);
$i = 0;
$regs = array(false, false);
while (isset($read_ary[$i])) {
if (ereg("UNSEEN ([0-9]+)", $read_ary[$i], $regs)) {
break;
}
$i++;
}
return $regs[1];
}
/*
* Returns the number of unseen/total messages in this folder
*/
function sqimap_status_messages ($imap_stream, $mailbox) {
$read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (MESSAGES UNSEEN)", false, $result, $message);
$i = 0;
$messages = $unseen = false;
$regs = array(false,false);
while (isset($read_ary[$i])) {
if (preg_match('/UNSEEN\s+([0-9]+)/i', $read_ary[$i], $regs)) {
$unseen = $regs[1];
}
if (preg_match('/MESSAGES\s+([0-9]+)/i', $read_ary[$i], $regs)) {
$messages = $regs[1];
}
$i++;
}
return array('MESSAGES' => $messages, 'UNSEEN'=>$unseen);
}
/*
* Saves a message to a given folder -- used for saving sent messages
*/
function sqimap_append ($imap_stream, $sent_folder, $length) {
fputs ($imap_stream, sqimap_session_id() . " APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
$tmp = fgets ($imap_stream, 1024);
}
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, $regs)) {
set_up_language($squirrelmail_language);
require_once(SM_PATH . 'functions/display_messages.php');
$reason = $regs[3];
if ($regs[2] == 'NO') {
$string = "\n" .
_("ERROR : Could not append message to") ." $folder." .
"
\n" .
_("Server responded: ") .
$reason . "
\n";
if (preg_match("/(.*)(quota)(.*)$/i", $reason, $regs)) {
$string .= _("Solution: ") .
_("Remove unneccessary messages from your folder and start with your Trash folder.")
."
\n";
}
$string .= "\n";
error_box($string,$color);
} else {
$string = "\n" .
_("ERROR : Bad or malformed request.") .
"
\n" .
_("Server responded: ") .
$tmp . "
\n";
error_box($string,$color);
exit;
}
}
}
function sqimap_get_user_server ($imap_server, $username) {
if (substr($imap_server, 0, 4) != "map:") {
return $imap_server;
}
$function = substr($imap_server, 4);
return $function($username);
}
/* This is an example that gets imapservers from yellowpages (NIS).
* you can simple put map:map_yp_alias in your $imap_server_address
* in config.php use your own function instead map_yp_alias to map your
* LDAP whatever way to find the users imapserver. */
function map_yp_alias($username) {
$yp = `ypmatch $username aliases`;
return chop(substr($yp, strlen($username)+1));
}
?>