<?php
- /**
- ** imap.php
- **
- ** This implements all functions that do general imap functions.
- **
- ** $Id$
- **/
-
- $imap_general_debug = false;
-
- /******************************************************************************
- ** 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 $message
- ******************************************************************************/
- function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
- global $color, $squirrelmail_language, $imap_general_debug;
-
- $read = fgets($imap_stream, 9096);
-
- if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) {
- $size = $regs[1];
- } else {
- $size = 0;
- }
-
- $data = Array();
- $total_size = 0;
-
- $continue = true;
- while ($continue) {
- // Continue if needed for this single line
- while (strpos($read, "\n") === false) {
- $read .= fgets($imap_stream, 9096);
- }
- // For debugging purposes
- if ($imap_general_debug) {
- echo "<small><tt><font color=\"#CC0000\">$read</font></tt></small><br>\n";
- flush();
- }
-
-
- // If we know the size, no need to look at the end parameters
- if ($size > 0) {
- if ($total_size == $size) {
- $data[] = $read;
- $read = fgets($imap_stream, 9096);
- $read = fgets($imap_stream, 9096);
- $continue = false;
- } else if ($total_size > $size) {
- $difference = $total_size - $size;
- $total_size = $total_size - strlen($read);
- $read = substr ($read, 0, strlen($read)-$difference);
- $data[] = $read;
- $junk = fgets($imap_stream, 9096);
- $continue = false;
- } else {
- $data[] = $read;
- $read = fgets($imap_stream, 9096);
+
+/**
+ * imap_general.php
+ *
+ * Copyright (c) 1999-2003 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.
+ *
+ * $Id$
+ */
+
+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, $unique_id = false) {
+ if ($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');
+ $string = "<b><font color=$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;
+}
+
+/*
+ * 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 = '') {
+ 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);
}
- $total_size += strlen($read);
- } else {
- if (ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) {
- $continue = false;
+ $found_tag = substr($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;
+ $sLiteral = fread($imap_stream,$iLit);
+ if ($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 {
- $data[] = $read;
- $read = fgets ($imap_stream, 9096);
+ $s = substr($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;
+ $fetch_data[] = sqimap_fgets($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" .
+ _("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();
+ }
- $response = $regs[1];
- $message = trim($regs[2]);
-
- if ($imap_general_debug) echo "--<br>";
-
- if ($handle_errors == false)
- return $data;
-
- if ($response == "NO") {
- // ignore this error from m$ exchange, it is not fatal (aka bug)
- if (!ereg("command resulted in",$message)) {
+ /* Return result or handle errors */
+ if ($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);
- echo "<br><b><font color=$color[2]>\n";
- echo _("ERROR : Could not complete request.");
- echo "</b><br>\n";
- echo _("Reason Given: ");
- echo $message . "</font><br>\n";
+ 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;
- }
- } else if ($response == "BAD") {
- set_up_language($squirrelmail_language);
- echo "<br><b><font color=$color[2]>\n";
- echo _("ERROR : Bad or malformed request.");
- echo "</b><br>\n";
- echo _("Server responded: ");
- echo $message . "</font><br>\n";
- exit;
- }
-
- return $data;
- }
-
- /******************************************************************************
- ** 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, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
-
- $imap_stream = fsockopen ($imap_server_address, $imap_port,
- $error_number, $error_string, 15);
- $server_info = fgets ($imap_stream, 1024);
-
- // Decrypt the password
- $password = OneTimePadDecrypt($password, $onetimepad);
-
- /** Do some error correction **/
- if (!$imap_stream) {
- if (!$hide) {
+ }
+ break;
+ case 'BAD':
+ set_up_language($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 = '') {
+ $res = sqimap_read_data_list($imap_stream, $tag_uid, $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, $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);
- printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
- echo "$error_number : $error_string<br>\r\n";
- }
- exit;
- }
+ 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);
- fputs ($imap_stream, "a001 LOGIN \"" . quotemeta($username) .
- "\" \"" . quotemeta($password) . "\"\r\n");
- $read = sqimap_read_data ($imap_stream, "a001", 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($squirrelmail_language, true);
- if ($response == "BAD")
- printf (_("Bad request: %s")."<br>\r\n", $message);
- else
- printf (_("Unknown error: %s") . "<br>\n", $message);
- echo "<br>";
- echo _("Read data:") . "<br>\n";
- if (is_array($read))
- {
- foreach ($read as $line)
- {
- echo htmlspecialchars($line) . "<br>\n";
- }
- }
- exit;
+ /* 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);
-
- ?>
- <html>
- <body bgcolor=ffffff>
- <br>
- <center>
- <table width=70% noborder bgcolor=ffffff align=center>
- <tr>
- <td bgcolor=dcdcdc>
- <font color=cc0000>
- <center>
- <?php echo _("ERROR") ?>
- </center>
- </font>
- </td>
- </tr>
- <tr>
- <td>
- <center>
- <?php echo _("Unknown user or password incorrect.") ?><br>
- <a href="login.php" target="_top"><?php echo _("Click here to try again") ?></a>
- </center>
- </td>
- </tr>
- </table>
- </center>
- </body>
- </html>
- <?php
- session_destroy();
- exit;
+ /*
+ * 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 {
+ } else {
exit;
- }
- }
-
- return $imap_stream;
- }
+ }
+ }
+ 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, $message);
+}
-
-
- /******************************************************************************
- ** Simply logs out the imap session
- ******************************************************************************/
- function sqimap_logout ($imap_stream) {
- fputs ($imap_stream, "a001 LOGOUT\r\n");
- }
+function sqimap_capability($imap_stream, $capability='') {
+ global $sqimap_capabilities;
+ if (!is_array($sqimap_capabilities)) {
+ $read = sqimap_run_command($imap_stream, 'CAPABILITY', true, $a, $b);
-function sqimap_capability($imap_stream, $capability) {
- global $sqimap_capabilities;
- global $imap_general_debug;
-
- if (!is_array($sqimap_capabilities)) {
- fputs ($imap_stream, "a001 CAPABILITY\r\n");
- $read = sqimap_read_data($imap_stream, "a001", 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;
- }
- }
- return $sqimap_capabilities[$capability];
+ $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 $sqimap_capabilities;
}
- /******************************************************************************
- ** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test...
- ******************************************************************************/
+/* Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test */
function sqimap_get_delimiter ($imap_stream = false) {
- global $imap_general_debug;
- global $sqimap_delimiter;
- global $optional_delimiter;
+ global $sqimap_delimiter, $optional_delimiter;
- /* Use configured delimiter if set */
- if((!empty($optional_delimiter)) && $optional_delimiter != "detect") {
- return $optional_delimiter;
- }
+ /* Use configured delimiter if set */
+ if((!empty($optional_delimiter)) && $optional_delimiter != 'detect') {
+ return $optional_delimiter;
+ }
- /* Do some caching here */
+ /* Do some caching here */
if (!$sqimap_delimiter) {
- if (sqimap_capability($imap_stream, "NAMESPACE")) {
- /* According to something that I can't find, this is supposed to work on all systems
- OS: This won't work in Courier IMAP.
- OS: According to rfc2342 response from NAMESPACE command is:
- OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
- OS: We want to lookup all personal NAMESPACES...
- */
- fputs ($imap_stream, "a001 NAMESPACE\r\n");
- $read = sqimap_read_data($imap_stream, "a001", 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))
- {
- list($_, $n, $_, $d) = explode('"', $v);
- $pn[$n] = $d;
- }
-/* OS: We don't need this code right now, it is for other_users and shared folders
- if (eregi('^\( *\((.*)\) *\)', $data[2], $data2))
- $on = $data2[1];
- if (eregi('^\( *\((.*)\) *\)', $data[3], $data2))
- $sn = $data2[1];
- unset($data);
- $ona = explode(')(', $on);
- while (list($k, $v) = each($ona))
- {
- list($_, $n, $_, $d) = explode('"', $v);
- $on[$n] = $d;
- }
- $sna = explode(')(', $sn);
- while (list($k, $v) = each($sna))
- {
- list($_, $n, $_, $d) = explode('"', $v);
- $sn[$n] = $d;
- }
-*/
- }
- $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 $sqimap_delimiter;
+ if (sqimap_capability($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, $mailbox) {
- fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n");
- $read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
- for ($i = 0; $i < count($read_ary); $i++) {
- if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
- return $regs[1];
- }
- }
- return "BUG! Couldn't get number of messages in $mailbox!";
- }
+/* Gets the number of messages in the current mailbox. */
+function sqimap_get_num_messages ($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 $mailbox!";
+}
-
- /******************************************************************************
- ** Returns a displayable email address
- ******************************************************************************/
- function sqimap_find_email ($string) {
- /** Luke Ehresman <lehresma@css.tayloru.edu>
- ** <lehresma@css.tayloru.edu>
- ** lehresma@css.tayloru.edu
- **
- ** What about
- ** lehresma@css.tayloru.edu (Luke Ehresman)
- **/
-
- if (ereg("<([^>]+)>", $string, $regs)) {
- $string = $regs[1];
- }
- return trim($string);
- }
-
- /******************************************************************************
- ** Takes the From: field, and creates a displayable name.
- ** Luke Ehresman <lkehresman@yahoo.com>
- ** becomes: Luke Ehresman
- ** <lkehresman@yahoo.com>
- ** becomes: lkehresman@yahoo.com
- ******************************************************************************/
- function sqimap_find_displayable_name ($string) {
- $string = " ".trim($string);
- $orig_string = $string;
- if (strpos($string, "<") && strpos($string, ">")) {
- if (strpos($string, "<") == 1) {
- $string = sqimap_find_email($string);
- } else {
- $string = trim($string);
- $string = substr($string, 0, strpos($string, "<"));
- $string = ereg_replace ("\"", "", $string);
- }
-
- if (trim($string) == "") {
- $string = sqimap_find_email($orig_string);
- }
- }
- return $string;
- }
+function parseAddress($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) {
+ $sToken = substr($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, &$num_unseen, $mailbox) {
- //fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n");
- fputs ($imap_stream, "a001 STATUS \"$mailbox\" (UNSEEN)\r\n");
- $read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
- ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
- return $regs[1];
- }
-
-
- /******************************************************************************
- ** Saves a message to a given folder -- used for saving sent messages
- ******************************************************************************/
- function sqimap_append ($imap_stream, $sent_folder, $length) {
- fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
- $tmp = fgets ($imap_stream, 1024);
- }
-
- function sqimap_append_done ($imap_stream) {
- fputs ($imap_stream, "\r\n");
- $tmp = fgets ($imap_stream, 1024);
+
+/*
+ * 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));
+}
+
?>
projects / squirrelmail.git / blobdiff