/tags/rel-1_4_3-rc1/squirrelmail/functions/imap_general.php
PHP | 910 lines | 732 code | 56 blank | 122 comment | 172 complexity | ef71c7c1406aafc5b2ff8f402dab0c00 MD5 | raw file
Possible License(s): AGPL-1.0, GPL-2.0
- <?php
- /**
- * 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.
- *
- * $Id: imap_general.php 7345 2004-05-02 13:54:36Z stekkel $
- */
- require_once(SM_PATH . 'functions/page_header.php');
- require_once(SM_PATH . 'functions/auth.php');
- global $sqimap_session_id;
- $sqimap_session_id = 1;
- /* Sets an unique session id in order to avoid simultanous sessions crash. */
- function sqimap_session_id($unique_id = false) {
- global $data_dir, $username, $sqimap_session_id;
- if (!$unique_id) {
- return( sprintf("A%03d", $sqimap_session_id++) );
- } else {
- return( sprintf("A%03d", $sqimap_session_id++) . ' UID' );
- }
- }
- /*
- * Both send a command and accept the result from the command.
- * This is to allow proper session number handling.
- */
- function sqimap_run_command_list ($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");
- $read = sqimap_read_data_list ($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');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : No available imapstream.") .
- "</b></font>\n";
- error_box($string,$color);
- return false;
- }
-
- }
- function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response,
- &$message, $unique_id = false,$filter=false,
- $outputstream=false,$no_return=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, $query,$filter,$outputstream,$no_return);
- return $read;
- } else {
- global $squirrelmail_language, $color;
- set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : No available imapstream.") .
- "</b></font>\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 = '';
- $offset = 0;
- while (strpos($results, "\r\n", $offset) === false) {
- if (!($read = fgets($imap_stream, $buffer))) {
- /* this happens in case of an error */
- /* reset $results because it's useless */
- $results = false;
- break;
- }
- if ( $results != '' ) {
- $offset = strlen($results) - 1;
- }
- $results .= $read;
- }
- return $results;
- }
- function sqimap_fread($imap_stream,$iSize,$filter=false,
- $outputstream=false, $no_return=false) {
- if (!$filter || !$outputstream) {
- $iBufferSize = $iSize;
- } else {
- // see php bug 24033. They changed fread behaviour %$^&$%
- $iBufferSize = 7800; // multiple of 78 in case of base64 decoding.
- }
- if ($iSize < $iBufferSize) {
- $iBufferSize = $iSize;
- }
- $iRetrieved = 0;
- $results = '';
- $sRead = $sReadRem = '';
- // NB: fread can also stop at end of a packet on sockets.
- while ($iRetrieved < $iSize) {
- $sRead = fread($imap_stream,$iBufferSize);
- $iLength = strlen($sRead);
- $iRetrieved += $iLength ;
- $iRemaining = $iSize - $iRetrieved;
- if ($iRemaining < $iBufferSize) {
- $iBufferSize = $iRemaining;
- }
- if (!$sRead) {
- $results = false;
- break;
- }
- if ($sReadRem) {
- $sRead = $sReadRem . $sRead;
- $sReadRem = '';
- }
- if ($filter && $sRead) {
- // in case the filter is base64 decoding we return a remainder
- $sReadRem = $filter($sRead);
- }
- if ($outputstream && $sRead) {
- if (is_resource($outputstream)) {
- fwrite($outputstream,$sRead);
- } else if ($outputstream == 'php://stdout') {
- echo $sRead;
- }
- }
- if ($no_return) {
- $sRead = '';
- } else {
- $results .= $sRead;
- }
- }
- 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, $tag_uid, $handle_errors,
- &$response, &$message, $query = '',
- $filter = false, $outputstream = false, $no_return = false) {
- global $color, $squirrelmail_language;
- $read = '';
- $tag_uid_a = explode(' ',trim($tag_uid));
- $tag = $tag_uid_a[0];
- $resultlist = array();
- $data = array();
- $read = sqimap_fgets($imap_stream);
- $i = 0;
- while ($read) {
- $char = $read{0};
- switch ($char)
- {
- case '+':
- default:
- $read = sqimap_fgets($imap_stream);
- break;
- case $tag{0}:
- {
- /* get the command */
- $arg = '';
- $i = strlen($tag)+1;
- $s = substr($read,$i);
- if (($j = strpos($s,' ')) || ($j = strpos($s,"\n"))) {
- $arg = substr($s,0,$j);
- }
- $found_tag = substr($read,0,$i-1);
- if ($arg && $found_tag==$tag) {
- switch ($arg)
- {
- case 'OK':
- case 'BAD':
- case 'NO':
- case 'BYE':
- case 'PREAUTH':
- $response = $arg;
- $message = trim(substr($read,$i+strlen($arg)));
- break 3; /* switch switch while */
- default:
- /* this shouldn't happen */
- $response = $arg;
- $message = trim(substr($read,$i+strlen($arg)));
- break 3; /* switch switch while */
- }
- } elseif($found_tag !== $tag) {
- /* reset data array because we do not need this reponse */
- $data = array();
- $read = sqimap_fgets($imap_stream);
- break;
- }
- } // end case $tag{0}
- case '*':
- {
- if (preg_match('/^\*\s\d+\sFETCH/',$read)) {
- /* check for literal */
- $s = substr($read,-3);
- $fetch_data = array();
- do { /* outer loop, continue until next untagged fetch
- or tagged reponse */
- do { /* innerloop for fetching literals. with this loop
- we prohibid that literal responses appear in the
- outer loop so we can trust the untagged and
- tagged info provided by $read */
- if ($s === "}\r\n") {
- $j = strrpos($read,'{');
- $iLit = substr($read,$j+1,-3);
- $fetch_data[] = $read;
- $sLiteral = sqimap_fread($imap_stream,$iLit,$filter,$outputstream,$no_return);
- if ($sLiteral === false) { /* error */
- break 4; /* while while switch while */
- }
- /* backwards compattibility */
- $aLiteral = explode("\n", $sLiteral);
- /* release not neaded data */
- unset($sLiteral);
- foreach ($aLiteral as $line) {
- $fetch_data[] = $line ."\n";
- }
- /* release not neaded data */
- unset($aLiteral);
- /* next fgets belongs to this fetch because
- we just got the exact literalsize and there
- must follow data to complete the response */
- $read = sqimap_fgets($imap_stream);
- if ($read === false) { /* error */
- break 4; /* while while switch while */
- }
- $fetch_data[] = $read;
- } else {
- $fetch_data[] = $read;
- }
- /* retrieve next line and check in the while
- statements if it belongs to this fetch response */
- $read = sqimap_fgets($imap_stream);
- if ($read === false) { /* error */
- break 4; /* while while switch while */
- }
- /* check for next untagged reponse and break */
- if ($read{0} == '*') break 2;
- $s = substr($read,-3);
- } while ($s === "}\r\n");
- $s = substr($read,-3);
- } while ($read{0} !== '*' &&
- substr($read,0,strlen($tag)) !== $tag);
- $resultlist[] = $fetch_data;
- /* release not neaded data */
- unset ($fetch_data);
- } else {
- $s = substr($read,-3);
- do {
- if ($s === "}\r\n") {
- $j = strrpos($read,'{');
- $iLit = substr($read,$j+1,-3);
- $data[] = $read;
- $sLiteral = fread($imap_stream,$iLit);
- if ($sLiteral === false) { /* error */
- $read = false;
- break 3; /* while switch while */
- }
- $data[] = $sLiteral;
- $data[] = sqimap_fgets($imap_stream);
- } else {
- $data[] = $read;
- }
- $read = sqimap_fgets($imap_stream);
- if ($read === false) {
- break 3; /* while switch while */
- } else if ($read{0} == '*') {
- break;
- }
- $s = substr($read,-3);
- } while ($s === "}\r\n");
- break 1;
- }
- break;
- } // end case '*'
- } // end switch
- } // end while
-
- /* error processing in case $read is false */
- if ($read === false) {
- unset($data);
- set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Connection dropped by imap-server.") .
- "</b><br>\n";
- $cmd = explode(' ',$query);
- $cmd = strtolower($cmd[0]);
- if ($query != '' && $cmd != 'login') {
- $string .= ("Query:") . ' '. htmlspecialchars($query)
- . '<br>' . "</font><br>\n";
- }
- error_box($string,$color);
- exit;
- }
-
- /* Set $resultlist array */
- if (!empty($data)) {
- $resultlist[] = $data;
- }
- elseif (empty($resultlist)) {
- $resultlist[] = array();
- }
- /* Return result or handle errors */
- if ($handle_errors == false) {
- return( $resultlist );
- }
- switch ($response)
- {
- case 'OK':
- return $resultlist;
- break;
- case 'NO':
- /* ignore this error from M$ 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');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Could not complete request.") .
- "</b><br>\n" .
- _("Query:") . ' ' .
- htmlspecialchars($query) . '<br>' .
- _("Reason Given: ") .
- htmlspecialchars($message) . "</font><br>\n";
- error_box($string,$color);
- echo '</body></html>';
- exit;
- }
- break;
- case 'BAD':
- set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Bad or malformed request.") .
- "</b><br>\n" .
- _("Query:") . ' '.
- htmlspecialchars($query) . '<br>' .
- _("Server responded: ") .
- htmlspecialchars($message) . "</font><br>\n";
- error_box($string,$color);
- echo '</body></html>';
- exit;
- case 'BYE':
- set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Imap server closed the connection.") .
- "</b><br>\n" .
- _("Query:") . ' '.
- htmlspecialchars($query) . '<br>' .
- _("Server responded: ") .
- htmlspecialchars($message) . "</font><br>\n";
- error_box($string,$color);
- echo '</body></html>';
- exit;
- default:
- set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Unknown imap response.") .
- "</b><br>\n" .
- _("Query:") . ' '.
- htmlspecialchars($query) . '<br>' .
- _("Server responded: ") .
- htmlspecialchars($message) . "</font><br>\n";
- error_box($string,$color);
- /* the error is displayed but because we don't know the reponse we
- return the result anyway */
- return $resultlist;
- break;
- }
- }
- function sqimap_read_data ($imap_stream, $tag_uid, $handle_errors,
- &$response, &$message, $query = '',
- $filter=false,$outputstream=false,$no_return=false) {
- $res = sqimap_read_data_list($imap_stream, $tag_uid, $handle_errors,
- $response, $message, $query,$filter,$outputstream,$no_return);
- /* 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, $use_imap_tls, $imap_auth_mech;
- if (!isset($onetimepad) || empty($onetimepad)) {
- sqgetglobalvar('onetimepad' , $onetimepad , SQ_SESSION );
- }
- $imap_server_address = sqimap_get_user_server($imap_server_address, $username);
- $host=$imap_server_address;
-
- if (($use_imap_tls == true) and (check_php_version(4,3)) and (extension_loaded('openssl'))) {
- /* Use TLS by prefixing "tls://" to the hostname */
- $imap_server_address = 'tls://' . $imap_server_address;
- }
-
- $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.") .
- "<br>\r\n", $imap_server_address) .
- "$error_number : $error_string<br>\r\n";
- logout_error($string,$color);
- }
- exit;
- }
- $server_info = fgets ($imap_stream, 1024);
- /* Decrypt the password */
- $password = OneTimePadDecrypt($password, $onetimepad);
- if (($imap_auth_mech == 'cram-md5') OR ($imap_auth_mech == 'digest-md5')) {
- // We're using some sort of authentication OTHER than plain or login
- $tag=sqimap_session_id(false);
- if ($imap_auth_mech == 'digest-md5') {
- $query = $tag . " AUTHENTICATE DIGEST-MD5\r\n";
- } elseif ($imap_auth_mech == 'cram-md5') {
- $query = $tag . " AUTHENTICATE CRAM-MD5\r\n";
- }
- fputs($imap_stream,$query);
- $answer=sqimap_fgets($imap_stream);
- // Trim the "+ " off the front
- $response=explode(" ",$answer,3);
- if ($response[0] == '+') {
- // Got a challenge back
- $challenge=$response[1];
- if ($imap_auth_mech == 'digest-md5') {
- $reply = digest_md5_response($username,$password,$challenge,'imap',$host);
- } elseif ($imap_auth_mech == 'cram-md5') {
- $reply = cram_md5_response($username,$password,$challenge);
- }
- fputs($imap_stream,$reply);
- $read=sqimap_fgets($imap_stream);
- if ($imap_auth_mech == 'digest-md5') {
- // DIGEST-MD5 has an extra step..
- if (substr($read,0,1) == '+') { // OK so far..
- fputs($imap_stream,"\r\n");
- $read=sqimap_fgets($imap_stream);
- }
- }
- $results=explode(" ",$read,3);
- $response=$results[1];
- $message=$results[2];
- } else {
- // Fake the response, so the error trap at the bottom will work
- $response="BAD";
- $message='IMAP server does not appear to support the authentication method selected.';
- $message .= ' Please contact your system administrator.';
- }
- } elseif ($imap_auth_mech == 'login') {
- // Original IMAP login code
- $query = 'LOGIN "' . quoteimap($username) . '" "' . quoteimap($password) . '"';
- $read = sqimap_run_command ($imap_stream, $query, false, $response, $message);
- } elseif ($imap_auth_mech == 'plain') {
- /* Replace this with SASL PLAIN if it ever gets implemented */
- $response="BAD";
- $message='SquirrelMail does not support SASL PLAIN yet. Rerun conf.pl and use login instead.';
- } else {
- $response="BAD";
- $message="Internal SquirrelMail error - unknown IMAP authentication method chosen. Please contact the developers.";
- }
-
- /* If the connection was not successful, lets see why */
- if ($response != 'OK') {
- if (!$hide) {
- if ($response != 'NO') {
- /* "BAD" and anything else gets reported here. */
- $message = htmlspecialchars($message);
- set_up_language($squirrelmail_language, true);
- require_once(SM_PATH . 'functions/display_messages.php');
- if ($response == 'BAD') {
- $string = sprintf (_("Bad request: %s")."<br>\r\n", $message);
- } else {
- $string = sprintf (_("Unknown error: %s") . "<br>\n", $message);
- }
- if (isset($read) && is_array($read)) {
- $string .= '<br>' . _("Read data:") . "<br>\n";
- foreach ($read as $line) {
- $string .= htmlspecialchars($line) . "<br>\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 $mailbox!";
- }
- function parseAddress($address, $max=0) {
- $aTokens = array();
- $aAddress = array();
- $iCnt = strlen($address);
- $aSpecials = array('(' ,'<' ,',' ,';' ,':');
- $aReplace = array(' (',' <',' ,',' ;',' :');
- $address = str_replace($aSpecials,$aReplace,$address);
- $i = 0;
- while ($i < $iCnt) {
- $cChar = $address{$i};
- switch($cChar)
- {
- case '<':
- $iEnd = strpos($address,'>',$i+1);
- if (!$iEnd) {
- $sToken = substr($address,$i);
- $i = $iCnt;
- } else {
- $sToken = substr($address,$i,$iEnd - $i +1);
- $i = $iEnd;
- }
- $sToken = str_replace($aReplace, $aSpecials,$sToken);
- $aTokens[] = $sToken;
- break;
- case '"':
- $iEnd = strpos($address,$cChar,$i+1);
- if ($iEnd) {
- // skip escaped quotes
- $prev_char = $address{$iEnd-1};
- while ($prev_char === '\\' && substr($address,$iEnd-2,2) !== '\\\\') {
- $iEnd = strpos($address,$cChar,$iEnd+1);
- if ($iEnd) {
- $prev_char = $address{$iEnd-1};
- } else {
- $prev_char = false;
- }
- }
- }
- if (!$iEnd) {
- $sToken = substr($address,$i);
- $i = $iCnt;
- } else {
- // also remove the surrounding quotes
- $sToken = substr($address,$i+1,$iEnd - $i -1);
- $i = $iEnd;
- }
- $sToken = str_replace($aReplace, $aSpecials,$sToken);
- if ($sToken) $aTokens[] = $sToken;
- break;
- case '(':
- $iEnd = strpos($address,')',$i);
- if (!$iEnd) {
- $sToken = substr($address,$i);
- $i = $iCnt;
- } else {
- $sToken = substr($address,$i,$iEnd - $i + 1);
- $i = $iEnd;
- }
- $sToken = str_replace($aReplace, $aSpecials,$sToken);
- $aTokens[] = $sToken;
- break;
- case ',':
- case ';':
- case ';':
- case ' ':
- $aTokens[] = $cChar;
- break;
- default:
- $iEnd = strpos($address,' ',$i+1);
- if ($iEnd) {
- $sToken = trim(substr($address,$i,$iEnd - $i));
- $i = $iEnd-1;
- } else {
- $sToken = trim(substr($address,$i));
- $i = $iCnt;
- }
- if ($sToken) $aTokens[] = $sToken;
- }
- ++$i;
- }
- $sPersonal = $sEmail = $sComment = $sGroup = '';
- $aStack = $aComment = array();
- foreach ($aTokens as $sToken) {
- if ($max && $max == count($aAddress)) {
- return $aAddress;
- }
- $cChar = $sToken{0};
- switch ($cChar)
- {
- case '=':
- case '"':
- case ' ':
- $aStack[] = $sToken;
- break;
- case '(':
- $aComment[] = substr($sToken,1,-1);
- break;
- case ';':
- if ($sGroup) {
- $sEmail = trim(implode(' ',$aStack));
- $aAddress[] = array($sGroup,$sEmail);
- $aStack = $aComment = array();
- $sGroup = '';
- break;
- }
- case ',':
- if (!$sEmail) {
- while (count($aStack) && !$sEmail) {
- $sEmail = trim(array_pop($aStack));
- }
- }
- if (count($aStack)) {
- $sPersonal = trim(implode('',$aStack));
- } else {
- $sPersonal = '';
- }
- if (!$sPersonal && count($aComment)) {
- $sComment = implode(' ',$aComment);
- $sPersonal .= $sComment;
- }
- $aAddress[] = array($sEmail,$sPersonal);
- $sPersonal = $sComment = $sEmail = '';
- $aStack = $aComment = array();
- break;
- case ':':
- $sGroup = implode(' ',$aStack); break;
- $aStack = array();
- break;
- case '<':
- $sEmail = trim(substr($sToken,1,-1));
- break;
- case '>':
- /* skip */
- break;
- default: $aStack[] = $sToken; break;
- }
- }
- /* now do the action again for the last address */
- if (!$sEmail) {
- while (count($aStack) && !$sEmail) {
- $sEmail = trim(array_pop($aStack));
- }
- }
- if (count($aStack)) {
- $sPersonal = trim(implode('',$aStack));
- } else {
- $sPersonal = '';
- }
- if (!$sPersonal && count($aComment)) {
- $sComment = implode(' ',$aComment);
- $sPersonal .= $sComment;
- }
- $aAddress[] = array($sEmail,$sPersonal);
- return $aAddress;
- }
- /*
- * Returns the number of unseen messages in this folder
- */
- function sqimap_unseen_messages ($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 RECENT)", false, $result, $message);
- $i = 0;
- $messages = $unseen = $recent = 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];
- }
- if (preg_match('/RECENT\s+([0-9]+)/i', $read_ary[$i], $regs)) {
- $recent = $regs[1];
- }
- $i++;
- }
- return array('MESSAGES' => $messages, 'UNSEEN'=>$unseen, 'RECENT' => $recent);
- }
- /*
- * Saves a message to a given folder -- used for saving sent messages
- */
- function sqimap_append ($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') {
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Could not append message to") ." $folder." .
- "</b><br>\n" .
- _("Server responded: ") .
- $reason . "<br>\n";
- if (preg_match("/(.*)(quota)(.*)$/i", $reason, $regs)) {
- $string .= _("Solution: ") .
- _("Remove unneccessary messages from your folder and start with your Trash folder.")
- ."<br>\n";
- }
- $string .= "</font>\n";
- error_box($string,$color);
- } else {
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Bad or malformed request.") .
- "</b><br>\n" .
- _("Server responded: ") .
- $tmp . "</font><br>\n";
- error_box($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));
- }
- ?>