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authorthomasb <thomasb@208e9e7b-5314-0410-a742-e7e81cd9613c>2012-03-31 12:25:48 +0000
committerthomasb <thomasb@208e9e7b-5314-0410-a742-e7e81cd9613c>2012-03-31 12:25:48 +0000
commite6d8f97bf2e0bbb4d95df0c4e030eb7ec6ef75a5 (patch)
tree4f6fdadb51cbe1a2bb3b2b06c9bcabb0429d1a84 /plugins/managesieve/lib
parent868c169e2a64c1d19a9b6bbcd98f268808dfd173 (diff)
Move plugins repository into roundcubemail root folder; svn:externals are not defined anymore
git-svn-id: https://svn.roundcube.net/trunk@6034 208e9e7b-5314-0410-a742-e7e81cd9613c
Diffstat (limited to 'plugins/managesieve/lib')
-rw-r--r--plugins/managesieve/lib/Net/Sieve.php1274
-rw-r--r--plugins/managesieve/lib/rcube_sieve.php387
-rw-r--r--plugins/managesieve/lib/rcube_sieve_script.php1073
3 files changed, 0 insertions, 2734 deletions
diff --git a/plugins/managesieve/lib/Net/Sieve.php b/plugins/managesieve/lib/Net/Sieve.php
deleted file mode 100644
index a8e36d8d7..000000000
--- a/plugins/managesieve/lib/Net/Sieve.php
+++ /dev/null
@@ -1,1274 +0,0 @@
-<?php
-/**
- * This file contains the Net_Sieve class.
- *
- * PHP version 4
- *
- * +-----------------------------------------------------------------------+
- * | All rights reserved. |
- * | |
- * | Redistribution and use in source and binary forms, with or without |
- * | modification, are permitted provided that the following conditions |
- * | are met: |
- * | |
- * | o Redistributions of source code must retain the above copyright |
- * | notice, this list of conditions and the following disclaimer. |
- * | o Redistributions in binary form must reproduce the above copyright |
- * | notice, this list of conditions and the following disclaimer in the |
- * | documentation and/or other materials provided with the distribution.|
- * | |
- * | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
- * | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
- * | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
- * | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
- * | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- * | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
- * | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
- * | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
- * | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- * +-----------------------------------------------------------------------+
- *
- * @category Networking
- * @package Net_Sieve
- * @author Richard Heyes <richard@phpguru.org>
- * @author Damian Fernandez Sosa <damlists@cnba.uba.ar>
- * @author Anish Mistry <amistry@am-productions.biz>
- * @author Jan Schneider <jan@horde.org>
- * @copyright 2002-2003 Richard Heyes
- * @copyright 2006-2008 Anish Mistry
- * @license http://www.opensource.org/licenses/bsd-license.php BSD
- * @version SVN: $Id: Sieve.php 300898 2010-07-01 09:49:02Z yunosh $
- * @link http://pear.php.net/package/Net_Sieve
- */
-
-require_once 'PEAR.php';
-require_once 'Net/Socket.php';
-
-/**
- * TODO
- *
- * o supportsAuthMech()
- */
-
-/**
- * Disconnected state
- * @const NET_SIEVE_STATE_DISCONNECTED
- */
-define('NET_SIEVE_STATE_DISCONNECTED', 1, true);
-
-/**
- * Authorisation state
- * @const NET_SIEVE_STATE_AUTHORISATION
- */
-define('NET_SIEVE_STATE_AUTHORISATION', 2, true);
-
-/**
- * Transaction state
- * @const NET_SIEVE_STATE_TRANSACTION
- */
-define('NET_SIEVE_STATE_TRANSACTION', 3, true);
-
-
-/**
- * A class for talking to the timsieved server which comes with Cyrus IMAP.
- *
- * @category Networking
- * @package Net_Sieve
- * @author Richard Heyes <richard@phpguru.org>
- * @author Damian Fernandez Sosa <damlists@cnba.uba.ar>
- * @author Anish Mistry <amistry@am-productions.biz>
- * @author Jan Schneider <jan@horde.org>
- * @copyright 2002-2003 Richard Heyes
- * @copyright 2006-2008 Anish Mistry
- * @license http://www.opensource.org/licenses/bsd-license.php BSD
- * @version Release: 1.3.0
- * @link http://pear.php.net/package/Net_Sieve
- * @link http://www.ietf.org/rfc/rfc3028.txt RFC 3028 (Sieve: A Mail
- * Filtering Language)
- * @link http://tools.ietf.org/html/draft-ietf-sieve-managesieve A
- * Protocol for Remotely Managing Sieve Scripts
- */
-class Net_Sieve
-{
- /**
- * The authentication methods this class supports.
- *
- * Can be overwritten if having problems with certain methods.
- *
- * @var array
- */
- var $supportedAuthMethods = array('DIGEST-MD5', 'CRAM-MD5', 'EXTERNAL',
- 'PLAIN' , 'LOGIN');
-
- /**
- * SASL authentication methods that require Auth_SASL.
- *
- * @var array
- */
- var $supportedSASLAuthMethods = array('DIGEST-MD5', 'CRAM-MD5');
-
- /**
- * The socket handle.
- *
- * @var resource
- */
- var $_sock;
-
- /**
- * Parameters and connection information.
- *
- * @var array
- */
- var $_data;
-
- /**
- * Current state of the connection.
- *
- * One of the NET_SIEVE_STATE_* constants.
- *
- * @var integer
- */
- var $_state;
-
- /**
- * Constructor error.
- *
- * @var PEAR_Error
- */
- var $_error;
-
- /**
- * Whether to enable debugging.
- *
- * @var boolean
- */
- var $_debug = false;
-
- /**
- * Debug output handler.
- *
- * This has to be a valid callback.
- *
- * @var string|array
- */
- var $_debug_handler = null;
-
- /**
- * Whether to pick up an already established connection.
- *
- * @var boolean
- */
- var $_bypassAuth = false;
-
- /**
- * Whether to use TLS if available.
- *
- * @var boolean
- */
- var $_useTLS = true;
-
- /**
- * Additional options for stream_context_create().
- *
- * @var array
- */
- var $_options = null;
-
- /**
- * Maximum number of referral loops
- *
- * @var array
- */
- var $_maxReferralCount = 15;
-
- /**
- * Constructor.
- *
- * Sets up the object, connects to the server and logs in. Stores any
- * generated error in $this->_error, which can be retrieved using the
- * getError() method.
- *
- * @param string $user Login username.
- * @param string $pass Login password.
- * @param string $host Hostname of server.
- * @param string $port Port of server.
- * @param string $logintype Type of login to perform (see
- * $supportedAuthMethods).
- * @param string $euser Effective user. If authenticating as an
- * administrator, login as this user.
- * @param boolean $debug Whether to enable debugging (@see setDebug()).
- * @param string $bypassAuth Skip the authentication phase. Useful if the
- * socket is already open.
- * @param boolean $useTLS Use TLS if available.
- * @param array $options Additional options for
- * stream_context_create().
- * @param mixed $handler A callback handler for the debug output.
- */
- function Net_Sieve($user = null, $pass = null, $host = 'localhost',
- $port = 2000, $logintype = '', $euser = '',
- $debug = false, $bypassAuth = false, $useTLS = true,
- $options = null, $handler = null)
- {
- $this->_state = NET_SIEVE_STATE_DISCONNECTED;
- $this->_data['user'] = $user;
- $this->_data['pass'] = $pass;
- $this->_data['host'] = $host;
- $this->_data['port'] = $port;
- $this->_data['logintype'] = $logintype;
- $this->_data['euser'] = $euser;
- $this->_sock = new Net_Socket();
- $this->_bypassAuth = $bypassAuth;
- $this->_useTLS = $useTLS;
- $this->_options = $options;
- $this->setDebug($debug, $handler);
-
- /* Try to include the Auth_SASL package. If the package is not
- * available, we disable the authentication methods that depend upon
- * it. */
- if ((@include_once 'Auth/SASL.php') === false) {
- $this->_debug('Auth_SASL not present');
- foreach ($this->supportedSASLAuthMethods as $SASLMethod) {
- $pos = array_search($SASLMethod, $this->supportedAuthMethods);
- $this->_debug('Disabling method ' . $SASLMethod);
- unset($this->supportedAuthMethods[$pos]);
- }
- }
-
- if (strlen($user) && strlen($pass)) {
- $this->_error = $this->_handleConnectAndLogin();
- }
- }
-
- /**
- * Returns any error that may have been generated in the constructor.
- *
- * @return boolean|PEAR_Error False if no error, PEAR_Error otherwise.
- */
- function getError()
- {
- return PEAR::isError($this->_error) ? $this->_error : false;
- }
-
- /**
- * Sets the debug state and handler function.
- *
- * @param boolean $debug Whether to enable debugging.
- * @param string $handler A custom debug handler. Must be a valid callback.
- *
- * @return void
- */
- function setDebug($debug = true, $handler = null)
- {
- $this->_debug = $debug;
- $this->_debug_handler = $handler;
- }
-
- /**
- * Connects to the server and logs in.
- *
- * @return boolean True on success, PEAR_Error on failure.
- */
- function _handleConnectAndLogin()
- {
- if (PEAR::isError($res = $this->connect($this->_data['host'], $this->_data['port'], $this->_options, $this->_useTLS))) {
- return $res;
- }
- if ($this->_bypassAuth === false) {
- if (PEAR::isError($res = $this->login($this->_data['user'], $this->_data['pass'], $this->_data['logintype'], $this->_data['euser'], $this->_bypassAuth))) {
- return $res;
- }
- }
- return true;
- }
-
- /**
- * Handles connecting to the server and checks the response validity.
- *
- * @param string $host Hostname of server.
- * @param string $port Port of server.
- * @param array $options List of options to pass to
- * stream_context_create().
- * @param boolean $useTLS Use TLS if available.
- *
- * @return boolean True on success, PEAR_Error otherwise.
- */
- function connect($host, $port, $options = null, $useTLS = true)
- {
- $this->_data['host'] = $host;
- $this->_data['port'] = $port;
- $this->_useTLS = $useTLS;
- if (!empty($options) && is_array($options)) {
- $this->_options = array_merge($this->_options, $options);
- }
-
- if (NET_SIEVE_STATE_DISCONNECTED != $this->_state) {
- return PEAR::raiseError('Not currently in DISCONNECTED state', 1);
- }
-
- if (PEAR::isError($res = $this->_sock->connect($host, $port, false, 5, $options))) {
- return $res;
- }
-
- if ($this->_bypassAuth) {
- $this->_state = NET_SIEVE_STATE_TRANSACTION;
- } else {
- $this->_state = NET_SIEVE_STATE_AUTHORISATION;
- if (PEAR::isError($res = $this->_doCmd())) {
- return $res;
- }
- }
-
- // Explicitly ask for the capabilities in case the connection is
- // picked up from an existing connection.
- if (PEAR::isError($res = $this->_cmdCapability())) {
- return PEAR::raiseError(
- 'Failed to connect, server said: ' . $res->getMessage(), 2
- );
- }
-
- // Check if we can enable TLS via STARTTLS.
- if ($useTLS && !empty($this->_capability['starttls'])
- && function_exists('stream_socket_enable_crypto')
- ) {
- if (PEAR::isError($res = $this->_startTLS())) {
- return $res;
- }
- }
-
- return true;
- }
-
- /**
- * Disconnect from the Sieve server.
- *
- * @param boolean $sendLogoutCMD Whether to send LOGOUT command before
- * disconnecting.
- *
- * @return boolean True on success, PEAR_Error otherwise.
- */
- function disconnect($sendLogoutCMD = true)
- {
- return $this->_cmdLogout($sendLogoutCMD);
- }
-
- /**
- * Logs into server.
- *
- * @param string $user Login username.
- * @param string $pass Login password.
- * @param string $logintype Type of login method to use.
- * @param string $euser Effective UID (perform on behalf of $euser).
- * @param boolean $bypassAuth Do not perform authentication.
- *
- * @return boolean True on success, PEAR_Error otherwise.
- */
- function login($user, $pass, $logintype = null, $euser = '', $bypassAuth = false)
- {
- $this->_data['user'] = $user;
- $this->_data['pass'] = $pass;
- $this->_data['logintype'] = $logintype;
- $this->_data['euser'] = $euser;
- $this->_bypassAuth = $bypassAuth;
-
- if (NET_SIEVE_STATE_AUTHORISATION != $this->_state) {
- return PEAR::raiseError('Not currently in AUTHORISATION state', 1);
- }
-
- if (!$bypassAuth ) {
- if (PEAR::isError($res = $this->_cmdAuthenticate($user, $pass, $logintype, $euser))) {
- return $res;
- }
- }
- $this->_state = NET_SIEVE_STATE_TRANSACTION;
-
- return true;
- }
-
- /**
- * Returns an indexed array of scripts currently on the server.
- *
- * @return array Indexed array of scriptnames.
- */
- function listScripts()
- {
- if (is_array($scripts = $this->_cmdListScripts())) {
- $this->_active = $scripts[1];
- return $scripts[0];
- } else {
- return $scripts;
- }
- }
-
- /**
- * Returns the active script.
- *
- * @return string The active scriptname.
- */
- function getActive()
- {
- if (!empty($this->_active)) {
- return $this->_active;
- }
- if (is_array($scripts = $this->_cmdListScripts())) {
- $this->_active = $scripts[1];
- return $scripts[1];
- }
- }
-
- /**
- * Sets the active script.
- *
- * @param string $scriptname The name of the script to be set as active.
- *
- * @return boolean True on success, PEAR_Error on failure.
- */
- function setActive($scriptname)
- {
- return $this->_cmdSetActive($scriptname);
- }
-
- /**
- * Retrieves a script.
- *
- * @param string $scriptname The name of the script to be retrieved.
- *
- * @return string The script on success, PEAR_Error on failure.
- */
- function getScript($scriptname)
- {
- return $this->_cmdGetScript($scriptname);
- }
-
- /**
- * Adds a script to the server.
- *
- * @param string $scriptname Name of the script.
- * @param string $script The script content.
- * @param boolean $makeactive Whether to make this the active script.
- *
- * @return boolean True on success, PEAR_Error on failure.
- */
- function installScript($scriptname, $script, $makeactive = false)
- {
- if (PEAR::isError($res = $this->_cmdPutScript($scriptname, $script))) {
- return $res;
- }
- if ($makeactive) {
- return $this->_cmdSetActive($scriptname);
- }
- return true;
- }
-
- /**
- * Removes a script from the server.
- *
- * @param string $scriptname Name of the script.
- *
- * @return boolean True on success, PEAR_Error on failure.
- */
- function removeScript($scriptname)
- {
- return $this->_cmdDeleteScript($scriptname);
- }
-
- /**
- * Checks if the server has space to store the script by the server.
- *
- * @param string $scriptname The name of the script to mark as active.
- * @param integer $size The size of the script.
- *
- * @return boolean|PEAR_Error True if there is space, PEAR_Error otherwise.
- *
- * @todo Rename to hasSpace()
- */
- function haveSpace($scriptname, $size)
- {
- if (NET_SIEVE_STATE_TRANSACTION != $this->_state) {
- return PEAR::raiseError('Not currently in TRANSACTION state', 1);
- }
-
- $command = sprintf('HAVESPACE %s %d', $this->_escape($scriptname), $size);
- if (PEAR::isError($res = $this->_doCmd($command))) {
- return $res;
- }
- return true;
- }
-
- /**
- * Returns the list of extensions the server supports.
- *
- * @return array List of extensions or PEAR_Error on failure.
- */
- function getExtensions()
- {
- if (NET_SIEVE_STATE_DISCONNECTED == $this->_state) {
- return PEAR::raiseError('Not currently connected', 7);
- }
- return $this->_capability['extensions'];
- }
-
- /**
- * Returns whether the server supports an extension.
- *
- * @param string $extension The extension to check.
- *
- * @return boolean Whether the extension is supported or PEAR_Error on
- * failure.
- */
- function hasExtension($extension)
- {
- if (NET_SIEVE_STATE_DISCONNECTED == $this->_state) {
- return PEAR::raiseError('Not currently connected', 7);
- }
-
- $extension = trim($this->_toUpper($extension));
- if (is_array($this->_capability['extensions'])) {
- foreach ($this->_capability['extensions'] as $ext) {
- if ($ext == $extension) {
- return true;
- }
- }
- }
-
- return false;
- }
-
- /**
- * Returns the list of authentication methods the server supports.
- *
- * @return array List of authentication methods or PEAR_Error on failure.
- */
- function getAuthMechs()
- {
- if (NET_SIEVE_STATE_DISCONNECTED == $this->_state) {
- return PEAR::raiseError('Not currently connected', 7);
- }
- return $this->_capability['sasl'];
- }
-
- /**
- * Returns whether the server supports an authentication method.
- *
- * @param string $method The method to check.
- *
- * @return boolean Whether the method is supported or PEAR_Error on
- * failure.
- */
- function hasAuthMech($method)
- {
- if (NET_SIEVE_STATE_DISCONNECTED == $this->_state) {
- return PEAR::raiseError('Not currently connected', 7);
- }
-
- $method = trim($this->_toUpper($method));
- if (is_array($this->_capability['sasl'])) {
- foreach ($this->_capability['sasl'] as $sasl) {
- if ($sasl == $method) {
- return true;
- }
- }
- }
-
- return false;
- }
-
- /**
- * Handles the authentication using any known method.
- *
- * @param string $uid The userid to authenticate as.
- * @param string $pwd The password to authenticate with.
- * @param string $userMethod The method to use. If empty, the class chooses
- * the best (strongest) available method.
- * @param string $euser The effective uid to authenticate as.
- *
- * @return void
- */
- function _cmdAuthenticate($uid, $pwd, $userMethod = null, $euser = '')
- {
- if (PEAR::isError($method = $this->_getBestAuthMethod($userMethod))) {
- return $method;
- }
- switch ($method) {
- case 'DIGEST-MD5':
- return $this->_authDigestMD5($uid, $pwd, $euser);
- case 'CRAM-MD5':
- $result = $this->_authCRAMMD5($uid, $pwd, $euser);
- break;
- case 'LOGIN':
- $result = $this->_authLOGIN($uid, $pwd, $euser);
- break;
- case 'PLAIN':
- $result = $this->_authPLAIN($uid, $pwd, $euser);
- break;
- case 'EXTERNAL':
- $result = $this->_authEXTERNAL($uid, $pwd, $euser);
- break;
- default :
- $result = PEAR::raiseError(
- $method . ' is not a supported authentication method'
- );
- break;
- }
-
- if (PEAR::isError($res = $this->_doCmd())) {
- return $res;
- }
-
- return $result;
- }
-
- /**
- * Authenticates the user using the PLAIN method.
- *
- * @param string $user The userid to authenticate as.
- * @param string $pass The password to authenticate with.
- * @param string $euser The effective uid to authenticate as.
- *
- * @return void
- */
- function _authPLAIN($user, $pass, $euser)
- {
- return $this->_sendCmd(
- sprintf(
- 'AUTHENTICATE "PLAIN" "%s"',
- base64_encode($euser . chr(0) . $user . chr(0) . $pass)
- )
- );
- }
-
- /**
- * Authenticates the user using the LOGIN method.
- *
- * @param string $user The userid to authenticate as.
- * @param string $pass The password to authenticate with.
- * @param string $euser The effective uid to authenticate as.
- *
- * @return void
- */
- function _authLOGIN($user, $pass, $euser)
- {
- if (PEAR::isError($result = $this->_sendCmd('AUTHENTICATE "LOGIN"'))) {
- return $result;
- }
- if (PEAR::isError($result = $this->_doCmd('"' . base64_encode($user) . '"', true))) {
- return $result;
- }
- return $this->_doCmd('"' . base64_encode($pass) . '"', true);
- }
-
- /**
- * Authenticates the user using the CRAM-MD5 method.
- *
- * @param string $user The userid to authenticate as.
- * @param string $pass The password to authenticate with.
- * @param string $euser The effective uid to authenticate as.
- *
- * @return void
- */
- function _authCRAMMD5($user, $pass, $euser)
- {
- if (PEAR::isError($challenge = $this->_doCmd('AUTHENTICATE "CRAM-MD5"', true))) {
- return $challenge;
- }
-
- $challenge = base64_decode(trim($challenge));
- $cram = Auth_SASL::factory('crammd5');
- if (PEAR::isError($response = $cram->getResponse($user, $pass, $challenge))) {
- return $response;
- }
-
- return $this->_sendStringResponse(base64_encode($response));
- }
-
- /**
- * Authenticates the user using the DIGEST-MD5 method.
- *
- * @param string $user The userid to authenticate as.
- * @param string $pass The password to authenticate with.
- * @param string $euser The effective uid to authenticate as.
- *
- * @return void
- */
- function _authDigestMD5($user, $pass, $euser)
- {
- if (PEAR::isError($challenge = $this->_doCmd('AUTHENTICATE "DIGEST-MD5"', true))) {
- return $challenge;
- }
-
- $challenge = base64_decode(trim($challenge));
- $digest = Auth_SASL::factory('digestmd5');
- // @todo Really 'localhost'?
- if (PEAR::isError($response = $digest->getResponse($user, $pass, $challenge, 'localhost', 'sieve', $euser))) {
- return $response;
- }
-
- if (PEAR::isError($result = $this->_sendStringResponse(base64_encode($response)))) {
- return $result;
- }
- if (PEAR::isError($result = $this->_doCmd('', true))) {
- return $result;
- }
- if ($this->_toUpper(substr($result, 0, 2)) == 'OK') {
- return;
- }
-
- /* We don't use the protocol's third step because SIEVE doesn't allow
- * subsequent authentication, so we just silently ignore it. */
- if (PEAR::isError($result = $this->_sendStringResponse(''))) {
- return $result;
- }
-
- return $this->_doCmd();
- }
-
- /**
- * Authenticates the user using the EXTERNAL method.
- *
- * @param string $user The userid to authenticate as.
- * @param string $pass The password to authenticate with.
- * @param string $euser The effective uid to authenticate as.
- *
- * @return void
- *
- * @since 1.1.7
- */
- function _authEXTERNAL($user, $pass, $euser)
- {
- $cmd = sprintf(
- 'AUTHENTICATE "EXTERNAL" "%s"',
- base64_encode(strlen($euser) ? $euser : $user)
- );
- return $this->_sendCmd($cmd);
- }
-
- /**
- * Removes a script from the server.
- *
- * @param string $scriptname Name of the script to delete.
- *
- * @return boolean True on success, PEAR_Error otherwise.
- */
- function _cmdDeleteScript($scriptname)
- {
- if (NET_SIEVE_STATE_TRANSACTION != $this->_state) {
- return PEAR::raiseError('Not currently in AUTHORISATION state', 1);
- }
-
- $command = sprintf('DELETESCRIPT %s', $this->_escape($scriptname));
- if (PEAR::isError($res = $this->_doCmd($command))) {
- return $res;
- }
- return true;
- }
-
- /**
- * Retrieves the contents of the named script.
- *
- * @param string $scriptname Name of the script to retrieve.
- *
- * @return string The script if successful, PEAR_Error otherwise.
- */
- function _cmdGetScript($scriptname)
- {
- if (NET_SIEVE_STATE_TRANSACTION != $this->_state) {
- return PEAR::raiseError('Not currently in AUTHORISATION state', 1);
- }
-
- $command = sprintf('GETSCRIPT %s', $this->_escape($scriptname));
- if (PEAR::isError($res = $this->_doCmd($command))) {
- return $res;
- }
-
- return preg_replace('/^{[0-9]+}\r\n/', '', $res);
- }
-
- /**
- * Sets the active script, i.e. the one that gets run on new mail by the
- * server.
- *
- * @param string $scriptname The name of the script to mark as active.
- *
- * @return boolean True on success, PEAR_Error otherwise.
- */
- function _cmdSetActive($scriptname)
- {
- if (NET_SIEVE_STATE_TRANSACTION != $this->_state) {
- return PEAR::raiseError('Not currently in AUTHORISATION state', 1);
- }
-
- $command = sprintf('SETACTIVE %s', $this->_escape($scriptname));
- if (PEAR::isError($res = $this->_doCmd($command))) {
- return $res;
- }
-
- $this->_activeScript = $scriptname;
- return true;
- }
-
- /**
- * Returns the list of scripts on the server.
- *
- * @return array An array with the list of scripts in the first element
- * and the active script in the second element on success,
- * PEAR_Error otherwise.
- */
- function _cmdListScripts()
- {
- if (NET_SIEVE_STATE_TRANSACTION != $this->_state) {
- return PEAR::raiseError('Not currently in AUTHORISATION state', 1);
- }
-
- if (PEAR::isError($res = $this->_doCmd('LISTSCRIPTS'))) {
- return $res;
- }
-
- $scripts = array();
- $activescript = null;
- $res = explode("\r\n", $res);
- foreach ($res as $value) {
- if (preg_match('/^"(.*)"( ACTIVE)?$/i', $value, $matches)) {
- $script_name = stripslashes($matches[1]);
- $scripts[] = $script_name;
- if (!empty($matches[2])) {
- $activescript = $script_name;
- }
- }
- }
-
- return array($scripts, $activescript);
- }
-
- /**
- * Adds a script to the server.
- *
- * @param string $scriptname Name of the new script.
- * @param string $scriptdata The new script.
- *
- * @return boolean True on success, PEAR_Error otherwise.
- */
- function _cmdPutScript($scriptname, $scriptdata)
- {
- if (NET_SIEVE_STATE_TRANSACTION != $this->_state) {
- return PEAR::raiseError('Not currently in AUTHORISATION state', 1);
- }
-
- $stringLength = $this->_getLineLength($scriptdata);
- $command = sprintf("PUTSCRIPT %s {%d+}\r\n%s",
- $this->_escape($scriptname), $stringLength, $scriptdata);
-
- if (PEAR::isError($res = $this->_doCmd($command))) {
- return $res;
- }
-
- return true;
- }
-
- /**
- * Logs out of the server and terminates the connection.
- *
- * @param boolean $sendLogoutCMD Whether to send LOGOUT command before
- * disconnecting.
- *
- * @return boolean True on success, PEAR_Error otherwise.
- */
- function _cmdLogout($sendLogoutCMD = true)
- {
- if (NET_SIEVE_STATE_DISCONNECTED == $this->_state) {
- return PEAR::raiseError('Not currently connected', 1);
- }
-
- if ($sendLogoutCMD) {
- if (PEAR::isError($res = $this->_doCmd('LOGOUT'))) {
- return $res;
- }
- }
-
- $this->_sock->disconnect();
- $this->_state = NET_SIEVE_STATE_DISCONNECTED;
-
- return true;
- }
-
- /**
- * Sends the CAPABILITY command
- *
- * @return boolean True on success, PEAR_Error otherwise.
- */
- function _cmdCapability()
- {
- if (NET_SIEVE_STATE_DISCONNECTED == $this->_state) {
- return PEAR::raiseError('Not currently connected', 1);
- }
- if (PEAR::isError($res = $this->_doCmd('CAPABILITY'))) {
- return $res;
- }
- $this->_parseCapability($res);
- return true;
- }
-
- /**
- * Parses the response from the CAPABILITY command and stores the result
- * in $_capability.
- *
- * @param string $data The response from the capability command.
- *
- * @return void
- */
- function _parseCapability($data)
- {
- // Clear the cached capabilities.
- $this->_capability = array('sasl' => array(),
- 'extensions' => array());
-
- $data = preg_split('/\r?\n/', $this->_toUpper($data), -1, PREG_SPLIT_NO_EMPTY);
-
- for ($i = 0; $i < count($data); $i++) {
- if (!preg_match('/^"([A-Z]+)"( "(.*)")?$/', $data[$i], $matches)) {
- continue;
- }
- switch ($matches[1]) {
- case 'IMPLEMENTATION':
- $this->_capability['implementation'] = $matches[3];
- break;
-
- case 'SASL':
- $this->_capability['sasl'] = preg_split('/\s+/', $matches[3]);
- break;
-
- case 'SIEVE':
- $this->_capability['extensions'] = preg_split('/\s+/', $matches[3]);
- break;
-
- case 'STARTTLS':
- $this->_capability['starttls'] = true;
- break;
- }
- }
- }
-
- /**
- * Sends a command to the server
- *
- * @param string $cmd The command to send.
- *
- * @return void
- */
- function _sendCmd($cmd)
- {
- $status = $this->_sock->getStatus();
- if (PEAR::isError($status) || $status['eof']) {
- return PEAR::raiseError('Failed to write to socket: connection lost');
- }
- if (PEAR::isError($error = $this->_sock->write($cmd . "\r\n"))) {
- return PEAR::raiseError(
- 'Failed to write to socket: ' . $error->getMessage()
- );
- }
- $this->_debug("C: $cmd");
- }
-
- /**
- * Sends a string response to the server.
- *
- * @param string $str The string to send.
- *
- * @return void
- */
- function _sendStringResponse($str)
- {
- return $this->_sendCmd('{' . $this->_getLineLength($str) . "+}\r\n" . $str);
- }
-
- /**
- * Receives a single line from the server.
- *
- * @return string The server response line.
- */
- function _recvLn()
- {
- if (PEAR::isError($lastline = $this->_sock->gets(8192))) {
- return PEAR::raiseError(
- 'Failed to read from socket: ' . $lastline->getMessage()
- );
- }
-
- $lastline = rtrim($lastline);
- $this->_debug("S: $lastline");
-
- if ($lastline === '') {
- return PEAR::raiseError('Failed to read from socket');
- }
-
- return $lastline;
- }
-
- /**
- * Receives x bytes from the server.
- *
- * @param int $length Number of bytes to read
- *
- * @return string The server response.
- */
- function _recvBytes($length)
- {
- $response = '';
- $response_length = 0;
-
- while ($response_length < $length) {
- $response .= $this->_sock->read($length - $response_length);
- $response_length = $this->_getLineLength($response);
- }
-
- $this->_debug("S: " . rtrim($response));
-
- return $response;
- }
-
- /**
- * Send a command and retrieves a response from the server.
- *
- * @param string $cmd The command to send.
- * @param boolean $auth Whether this is an authentication command.
- *
- * @return string|PEAR_Error Reponse string if an OK response, PEAR_Error
- * if a NO response.
- */
- function _doCmd($cmd = '', $auth = false)
- {
- $referralCount = 0;
- while ($referralCount < $this->_maxReferralCount) {
- if (strlen($cmd)) {
- if (PEAR::isError($error = $this->_sendCmd($cmd))) {
- return $error;
- }
- }
-
- $response = '';
- while (true) {
- if (PEAR::isError($line = $this->_recvLn())) {
- return $line;
- }
- $uc_line = $this->_toUpper($line);
-
- if ('OK' == substr($uc_line, 0, 2)) {
- $response .= $line;
- return rtrim($response);
- }
-
- if ('NO' == substr($uc_line, 0, 2)) {
- // Check for string literal error message.
- if (preg_match('/{([0-9]+)}$/i', $line, $matches)) {
- $line = substr($line, 0, -(strlen($matches[1])+2))
- . str_replace(
- "\r\n", ' ', $this->_recvBytes($matches[1] + 2)
- );
- }
- return PEAR::raiseError(trim($response . substr($line, 2)), 3);
- }
-
- if ('BYE' == substr($uc_line, 0, 3)) {
- if (PEAR::isError($error = $this->disconnect(false))) {
- return PEAR::raiseError(
- 'Cannot handle BYE, the error was: '
- . $error->getMessage(),
- 4
- );
- }
- // Check for referral, then follow it. Otherwise, carp an
- // error.
- if (preg_match('/^bye \(referral "(sieve:\/\/)?([^"]+)/i', $line, $matches)) {
- // Replace the old host with the referral host
- // preserving any protocol prefix.
- $this->_data['host'] = preg_replace(
- '/\w+(?!(\w|\:\/\/)).*/', $matches[2],
- $this->_data['host']
- );
- if (PEAR::isError($error = $this->_handleConnectAndLogin())) {
- return PEAR::raiseError(
- 'Cannot follow referral to '
- . $this->_data['host'] . ', the error was: '
- . $error->getMessage(),
- 5
- );
- }
- break;
- }
- return PEAR::raiseError(trim($response . $line), 6);
- }
-
- if (preg_match('/^{([0-9]+)}/i', $line, $matches)) {
- // Matches literal string responses.
- $line = $this->_recvBytes($matches[1] + 2);
-
- if (!$auth) {
- // Receive the pending OK only if we aren't
- // authenticating since string responses during
- // authentication don't need an OK.
- $this->_recvLn();
- }
- return $line;
- }
-
- if ($auth) {
- // String responses during authentication don't need an
- // OK.
- $response .= $line;
- return rtrim($response);
- }
-
- $response .= $line . "\r\n";
- $referralCount++;
- }
- }
-
- return PEAR::raiseError('Max referral count (' . $referralCount . ') reached. Cyrus murder loop error?', 7);
- }
-
- /**
- * Returns the name of the best authentication method that the server
- * has advertised.
- *
- * @param string $userMethod Only consider this method as available.
- *
- * @return string The name of the best supported authentication method or
- * a PEAR_Error object on failure.
- */
- function _getBestAuthMethod($userMethod = null)
- {
- if (!isset($this->_capability['sasl'])) {
- return PEAR::raiseError('This server doesn\'t support any authentication methods. SASL problem?');
- }
- if (!$this->_capability['sasl']) {
- return PEAR::raiseError('This server doesn\'t support any authentication methods.');
- }
-
- if ($userMethod) {
- if (in_array($userMethod, $this->_capability['sasl'])) {
- return $userMethod;
- }
- return PEAR::raiseError(
- sprintf('No supported authentication method found. The server supports these methods: %s, but we want to use: %s',
- implode(', ', $this->_capability['sasl']),
- $userMethod));
- }
-
- foreach ($this->supportedAuthMethods as $method) {
- if (in_array($method, $this->_capability['sasl'])) {
- return $method;
- }
- }
-
- return PEAR::raiseError(
- sprintf('No supported authentication method found. The server supports these methods: %s, but we only support: %s',
- implode(', ', $this->_capability['sasl']),
- implode(', ', $this->supportedAuthMethods)));
- }
-
- /**
- * Starts a TLS connection.
- *
- * @return boolean True on success, PEAR_Error on failure.
- */
- function _startTLS()
- {
- if (PEAR::isError($res = $this->_doCmd('STARTTLS'))) {
- return $res;
- }
-
- if (!stream_socket_enable_crypto($this->_sock->fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
- return PEAR::raiseError('Failed to establish TLS connection', 2);
- }
-
- $this->_debug('STARTTLS negotiation successful');
-
- // The server should be sending a CAPABILITY response after
- // negotiating TLS. Read it, and ignore if it doesn't.
- // Doesn't work with older timsieved versions
- $regexp = '/^CYRUS TIMSIEVED V([0-9.]+)/';
- if (!preg_match($regexp, $this->_capability['implementation'], $matches)
- || version_compare($matches[1], '2.3.10', '>=')
- ) {
- $this->_doCmd();
- }
-
- // RFC says we need to query the server capabilities again now that we
- // are under encryption.
- if (PEAR::isError($res = $this->_cmdCapability())) {
- return PEAR::raiseError(
- 'Failed to connect, server said: ' . $res->getMessage(), 2
- );
- }
-
- return true;
- }
-
- /**
- * Returns the length of a string.
- *
- * @param string $string A string.
- *
- * @return integer The length of the string.
- */
- function _getLineLength($string)
- {
- if (extension_loaded('mbstring')) {
- return mb_strlen($string, 'latin1');
- } else {
- return strlen($string);
- }
- }
-
- /**
- * Locale independant strtoupper() implementation.
- *
- * @param string $string The string to convert to lowercase.
- *
- * @return string The lowercased string, based on ASCII encoding.
- */
- function _toUpper($string)
- {
- $language = setlocale(LC_CTYPE, 0);
- setlocale(LC_CTYPE, 'C');
- $string = strtoupper($string);
- setlocale(LC_CTYPE, $language);
- return $string;
- }
-
- /**
- * Convert string into RFC's quoted-string or literal-c2s form
- *
- * @param string $string The string to convert.
- *
- * @return string Result string
- */
- function _escape($string)
- {
- // Some implementations doesn't allow UTF-8 characters in quoted-string
- // It's safe to use literal-c2s
- if (preg_match('/[^\x01-\x09\x0B-\x0C\x0E-\x7F]/', $string)) {
- return sprintf("{%d+}\r\n%s", $this->_getLineLength($string), $string);
- }
-
- return '"' . addcslashes($string, '\\"') . '"';
- }
-
- /**
- * Write debug text to the current debug output handler.
- *
- * @param string $message Debug message text.
- *
- * @return void
- */
- function _debug($message)
- {
- if ($this->_debug) {
- if ($this->_debug_handler) {
- call_user_func_array($this->_debug_handler, array(&$this, $message));
- } else {
- echo "$message\n";
- }
- }
- }
-}
diff --git a/plugins/managesieve/lib/rcube_sieve.php b/plugins/managesieve/lib/rcube_sieve.php
deleted file mode 100644
index 2ed2e54bf..000000000
--- a/plugins/managesieve/lib/rcube_sieve.php
+++ /dev/null
@@ -1,387 +0,0 @@
-<?php
-
-/**
- * Classes for managesieve operations (using PEAR::Net_Sieve)
- *
- * Copyright (C) 2008-2011, The Roundcube Dev Team
- * Copyright (C) 2011, Kolab Systems AG
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * $Id$
- *
- */
-
-// Managesieve Protocol: RFC5804
-
-define('SIEVE_ERROR_CONNECTION', 1);
-define('SIEVE_ERROR_LOGIN', 2);
-define('SIEVE_ERROR_NOT_EXISTS', 3); // script not exists
-define('SIEVE_ERROR_INSTALL', 4); // script installation
-define('SIEVE_ERROR_ACTIVATE', 5); // script activation
-define('SIEVE_ERROR_DELETE', 6); // script deletion
-define('SIEVE_ERROR_INTERNAL', 7); // internal error
-define('SIEVE_ERROR_DEACTIVATE', 8); // script activation
-define('SIEVE_ERROR_OTHER', 255); // other/unknown error
-
-
-class rcube_sieve
-{
- private $sieve; // Net_Sieve object
- private $error = false; // error flag
- private $list = array(); // scripts list
-
- public $script; // rcube_sieve_script object
- public $current; // name of currently loaded script
- private $exts; // array of supported extensions
-
-
- /**
- * Object constructor
- *
- * @param string Username (for managesieve login)
- * @param string Password (for managesieve login)
- * @param string Managesieve server hostname/address
- * @param string Managesieve server port number
- * @param string Managesieve authentication method
- * @param boolean Enable/disable TLS use
- * @param array Disabled extensions
- * @param boolean Enable/disable debugging
- * @param string Proxy authentication identifier
- * @param string Proxy authentication password
- */
- public function __construct($username, $password='', $host='localhost', $port=2000,
- $auth_type=null, $usetls=true, $disabled=array(), $debug=false,
- $auth_cid=null, $auth_pw=null)
- {
- $this->sieve = new Net_Sieve();
-
- if ($debug) {
- $this->sieve->setDebug(true, array($this, 'debug_handler'));
- }
-
- if (PEAR::isError($this->sieve->connect($host, $port, null, $usetls))) {
- return $this->_set_error(SIEVE_ERROR_CONNECTION);
- }
-
- if (!empty($auth_cid)) {
- $authz = $username;
- $username = $auth_cid;
- $password = $auth_pw;
- }
-
- if (PEAR::isError($this->sieve->login($username, $password,
- $auth_type ? strtoupper($auth_type) : null, $authz))
- ) {
- return $this->_set_error(SIEVE_ERROR_LOGIN);
- }
-
- $this->exts = $this->get_extensions();
-
- // disable features by config
- if (!empty($disabled)) {
- // we're working on lower-cased names
- $disabled = array_map('strtolower', (array) $disabled);
- foreach ($disabled as $ext) {
- if (($idx = array_search($ext, $this->exts)) !== false) {
- unset($this->exts[$idx]);
- }
- }
- }
- }
-
- public function __destruct() {
- $this->sieve->disconnect();
- }
-
- /**
- * Getter for error code
- */
- public function error()
- {
- return $this->error ? $this->error : false;
- }
-
- /**
- * Saves current script into server
- */
- public function save($name = null)
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- if (!$this->script)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- if (!$name)
- $name = $this->current;
-
- $script = $this->script->as_text();
-
- if (!$script)
- $script = '/* empty script */';
-
- if (PEAR::isError($this->sieve->installScript($name, $script)))
- return $this->_set_error(SIEVE_ERROR_INSTALL);
-
- return true;
- }
-
- /**
- * Saves text script into server
- */
- public function save_script($name, $content = null)
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- if (!$content)
- $content = '/* empty script */';
-
- if (PEAR::isError($this->sieve->installScript($name, $content)))
- return $this->_set_error(SIEVE_ERROR_INSTALL);
-
- return true;
- }
-
- /**
- * Activates specified script
- */
- public function activate($name = null)
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- if (!$name)
- $name = $this->current;
-
- if (PEAR::isError($this->sieve->setActive($name)))
- return $this->_set_error(SIEVE_ERROR_ACTIVATE);
-
- return true;
- }
-
- /**
- * De-activates specified script
- */
- public function deactivate()
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- if (PEAR::isError($this->sieve->setActive('')))
- return $this->_set_error(SIEVE_ERROR_DEACTIVATE);
-
- return true;
- }
-
- /**
- * Removes specified script
- */
- public function remove($name = null)
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- if (!$name)
- $name = $this->current;
-
- // script must be deactivated first
- if ($name == $this->sieve->getActive())
- if (PEAR::isError($this->sieve->setActive('')))
- return $this->_set_error(SIEVE_ERROR_DELETE);
-
- if (PEAR::isError($this->sieve->removeScript($name)))
- return $this->_set_error(SIEVE_ERROR_DELETE);
-
- if ($name == $this->current)
- $this->current = null;
-
- return true;
- }
-
- /**
- * Gets list of supported by server Sieve extensions
- */
- public function get_extensions()
- {
- if ($this->exts)
- return $this->exts;
-
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- $ext = $this->sieve->getExtensions();
- // we're working on lower-cased names
- $ext = array_map('strtolower', (array) $ext);
-
- if ($this->script) {
- $supported = $this->script->get_extensions();
- foreach ($ext as $idx => $ext_name)
- if (!in_array($ext_name, $supported))
- unset($ext[$idx]);
- }
-
- return array_values($ext);
- }
-
- /**
- * Gets list of scripts from server
- */
- public function get_scripts()
- {
- if (!$this->list) {
-
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- $list = $this->sieve->listScripts();
-
- if (PEAR::isError($list))
- return $this->_set_error(SIEVE_ERROR_OTHER);
-
- $this->list = $list;
- }
-
- return $this->list;
- }
-
- /**
- * Returns active script name
- */
- public function get_active()
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- return $this->sieve->getActive();
- }
-
- /**
- * Loads script by name
- */
- public function load($name)
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- if ($this->current == $name)
- return true;
-
- $script = $this->sieve->getScript($name);
-
- if (PEAR::isError($script))
- return $this->_set_error(SIEVE_ERROR_OTHER);
-
- // try to parse from Roundcube format
- $this->script = $this->_parse($script);
-
- $this->current = $name;
-
- return true;
- }
-
- /**
- * Loads script from text content
- */
- public function load_script($script)
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- // try to parse from Roundcube format
- $this->script = $this->_parse($script);
- }
-
- /**
- * Creates rcube_sieve_script object from text script
- */
- private function _parse($txt)
- {
- // parse
- $script = new rcube_sieve_script($txt, $this->exts);
-
- // fix/convert to Roundcube format
- if (!empty($script->content)) {
- // replace all elsif with if+stop, we support only ifs
- foreach ($script->content as $idx => $rule) {
- if (empty($rule['type']) || !preg_match('/^(if|elsif|else)$/', $rule['type'])) {
- continue;
- }
-
- $script->content[$idx]['type'] = 'if';
-
- // 'stop' not found?
- foreach ($rule['actions'] as $action) {
- if (preg_match('/^(stop|vacation)$/', $action['type'])) {
- continue 2;
- }
- }
- if (empty($script->content[$idx+1]) || $script->content[$idx+1]['type'] != 'if') {
- $script->content[$idx]['actions'][] = array('type' => 'stop');
- }
- }
- }
-
- return $script;
- }
-
- /**
- * Gets specified script as text
- */
- public function get_script($name)
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- $content = $this->sieve->getScript($name);
-
- if (PEAR::isError($content))
- return $this->_set_error(SIEVE_ERROR_OTHER);
-
- return $content;
- }
-
- /**
- * Creates empty script or copy of other script
- */
- public function copy($name, $copy)
- {
- if (!$this->sieve)
- return $this->_set_error(SIEVE_ERROR_INTERNAL);
-
- if ($copy) {
- $content = $this->sieve->getScript($copy);
-
- if (PEAR::isError($content))
- return $this->_set_error(SIEVE_ERROR_OTHER);
- }
-
- return $this->save_script($name, $content);
- }
-
- private function _set_error($error)
- {
- $this->error = $error;
- return false;
- }
-
- /**
- * This is our own debug handler for connection
- */
- public function debug_handler(&$sieve, $message)
- {
- write_log('sieve', preg_replace('/\r\n$/', '', $message));
- }
-}
diff --git a/plugins/managesieve/lib/rcube_sieve_script.php b/plugins/managesieve/lib/rcube_sieve_script.php
deleted file mode 100644
index 92f979cfd..000000000
--- a/plugins/managesieve/lib/rcube_sieve_script.php
+++ /dev/null
@@ -1,1073 +0,0 @@
-<?php
-
-/**
- * Class for operations on Sieve scripts
- *
- * Copyright (C) 2008-2011, The Roundcube Dev Team
- * Copyright (C) 2011, Kolab Systems AG
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * $Id$
- *
- */
-
-class rcube_sieve_script
-{
- public $content = array(); // script rules array
-
- private $vars = array(); // "global" variables
- private $prefix = ''; // script header (comments)
- private $supported = array( // Sieve extensions supported by class
- 'fileinto', // RFC5228
- 'envelope', // RFC5228
- 'reject', // RFC5429
- 'ereject', // RFC5429
- 'copy', // RFC3894
- 'vacation', // RFC5230
- 'relational', // RFC3431
- 'regex', // draft-ietf-sieve-regex-01
- 'imapflags', // draft-melnikov-sieve-imapflags-06
- 'imap4flags', // RFC5232
- 'include', // draft-ietf-sieve-include-12
- 'variables', // RFC5229
- 'body', // RFC5173
- 'subaddress', // RFC5233
- // @TODO: enotify/notify, spamtest+virustest, mailbox, date
- );
-
- /**
- * Object constructor
- *
- * @param string Script's text content
- * @param array List of capabilities supported by server
- */
- public function __construct($script, $capabilities=array())
- {
- $capabilities = array_map('strtolower', (array) $capabilities);
-
- // disable features by server capabilities
- if (!empty($capabilities)) {
- foreach ($this->supported as $idx => $ext) {
- if (!in_array($ext, $capabilities)) {
- unset($this->supported[$idx]);
- }
- }
- }
-
- // Parse text content of the script
- $this->_parse_text($script);
- }
-
- /**
- * Adds rule to the script (at the end)
- *
- * @param string Rule name
- * @param array Rule content (as array)
- *
- * @return int The index of the new rule
- */
- public function add_rule($content)
- {
- // TODO: check this->supported
- array_push($this->content, $content);
- return sizeof($this->content)-1;
- }
-
- public function delete_rule($index)
- {
- if(isset($this->content[$index])) {
- unset($this->content[$index]);
- return true;
- }
- return false;
- }
-
- public function size()
- {
- return sizeof($this->content);
- }
-
- public function update_rule($index, $content)
- {
- // TODO: check this->supported
- if ($this->content[$index]) {
- $this->content[$index] = $content;
- return $index;
- }
- return false;
- }
-
- /**
- * Sets "global" variable
- *
- * @param string $name Variable name
- * @param string $value Variable value
- * @param array $mods Variable modifiers
- */
- public function set_var($name, $value, $mods = array())
- {
- // Check if variable exists
- for ($i=0, $len=count($this->vars); $i<$len; $i++) {
- if ($this->vars[$i]['name'] == $name) {
- break;
- }
- }
-
- $var = array_merge($mods, array('name' => $name, 'value' => $value));
- $this->vars[$i] = $var;
- }
-
- /**
- * Unsets "global" variable
- *
- * @param string $name Variable name
- */
- public function unset_var($name)
- {
- // Check if variable exists
- foreach ($this->vars as $idx => $var) {
- if ($var['name'] == $name) {
- unset($this->vars[$idx]);
- break;
- }
- }
- }
-
- /**
- * Gets the value of "global" variable
- *
- * @param string $name Variable name
- *
- * @return string Variable value
- */
- public function get_var($name)
- {
- // Check if variable exists
- for ($i=0, $len=count($this->vars); $i<$len; $i++) {
- if ($this->vars[$i]['name'] == $name) {
- return $this->vars[$i]['name'];
- }
- }
- }
-
- /**
- * Sets script header content
- *
- * @param string $text Header content
- */
- public function set_prefix($text)
- {
- $this->prefix = $text;
- }
-
- /**
- * Returns script as text
- */
- public function as_text()
- {
- $output = '';
- $exts = array();
- $idx = 0;
-
- if (!empty($this->vars)) {
- if (in_array('variables', (array)$this->supported)) {
- $has_vars = true;
- array_push($exts, 'variables');
- }
- foreach ($this->vars as $var) {
- if (empty($has_vars)) {
- // 'variables' extension not supported, put vars in comments
- $output .= sprintf("# %s %s\n", $var['name'], $var['value']);
- }
- else {
- $output .= 'set ';
- foreach (array_diff(array_keys($var), array('name', 'value')) as $opt) {
- $output .= ":$opt ";
- }
- $output .= self::escape_string($var['name']) . ' ' . self::escape_string($var['value']) . ";\n";
- }
- }
- }
-
- // rules
- foreach ($this->content as $rule) {
- $extension = '';
- $script = '';
- $tests = array();
- $i = 0;
-
- // header
- if (!empty($rule['name']) && strlen($rule['name'])) {
- $script .= '# rule:[' . $rule['name'] . "]\n";
- }
-
- // constraints expressions
- if (!empty($rule['tests'])) {
- foreach ($rule['tests'] as $test) {
- $tests[$i] = '';
- switch ($test['test']) {
- case 'size':
- $tests[$i] .= ($test['not'] ? 'not ' : '');
- $tests[$i] .= 'size :' . ($test['type']=='under' ? 'under ' : 'over ') . $test['arg'];
- break;
-
- case 'true':
- $tests[$i] .= ($test['not'] ? 'false' : 'true');
- break;
-
- case 'exists':
- $tests[$i] .= ($test['not'] ? 'not ' : '');
- $tests[$i] .= 'exists ' . self::escape_string($test['arg']);
- break;
-
- case 'header':
- $tests[$i] .= ($test['not'] ? 'not ' : '');
- $tests[$i] .= 'header';
-
- if (!empty($test['type'])) {
- // relational operator + comparator
- if (preg_match('/^(value|count)-([gteqnl]{2})/', $test['type'], $m)) {
- array_push($exts, 'relational');
- array_push($exts, 'comparator-i;ascii-numeric');
-
- $tests[$i] .= ' :' . $m[1] . ' "' . $m[2] . '" :comparator "i;ascii-numeric"';
- }
- else {
- $this->add_comparator($test, $tests[$i], $exts);
-
- if ($test['type'] == 'regex') {
- array_push($exts, 'regex');
- }
-
- $tests[$i] .= ' :' . $test['type'];
- }
- }
-
- $tests[$i] .= ' ' . self::escape_string($test['arg1']);
- $tests[$i] .= ' ' . self::escape_string($test['arg2']);
- break;
-
- case 'address':
- case 'envelope':
- if ($test['test'] == 'envelope') {
- array_push($exts, 'envelope');
- }
-
- $tests[$i] .= ($test['not'] ? 'not ' : '');
- $tests[$i] .= $test['test'];
-
- if (!empty($test['part'])) {
- $tests[$i] .= ' :' . $test['part'];
- if ($test['part'] == 'user' || $test['part'] == 'detail') {
- array_push($exts, 'subaddress');
- }
- }
-
- $this->add_comparator($test, $tests[$i], $exts);
-
- if (!empty($test['type'])) {
- if ($test['type'] == 'regex') {
- array_push($exts, 'regex');
- }
- $tests[$i] .= ' :' . $test['type'];
- }
-
- $tests[$i] .= ' ' . self::escape_string($test['arg1']);
- $tests[$i] .= ' ' . self::escape_string($test['arg2']);
- break;
-
- case 'body':
- array_push($exts, 'body');
-
- $tests[$i] .= ($test['not'] ? 'not ' : '') . 'body';
-
- $this->add_comparator($test, $tests[$i], $exts);
-
- if (!empty($test['part'])) {
- $tests[$i] .= ' :' . $test['part'];
-
- if (!empty($test['content']) && $test['part'] == 'content') {
- $tests[$i] .= ' ' . self::escape_string($test['content']);
- }
- }
-
- if (!empty($test['type'])) {
- if ($test['type'] == 'regex') {
- array_push($exts, 'regex');
- }
- $tests[$i] .= ' :' . $test['type'];
- }
-
- $tests[$i] .= ' ' . self::escape_string($test['arg']);
- break;
- }
- $i++;
- }
- }
-
- // disabled rule: if false #....
- if (!empty($tests)) {
- $script .= 'if ' . ($rule['disabled'] ? 'false # ' : '');
-
- if (count($tests) > 1) {
- $tests_str = implode(', ', $tests);
- }
- else {
- $tests_str = $tests[0];
- }
-
- if ($rule['join'] || count($tests) > 1) {
- $script .= sprintf('%s (%s)', $rule['join'] ? 'allof' : 'anyof', $tests_str);
- }
- else {
- $script .= $tests_str;
- }
- $script .= "\n{\n";
- }
-
- // action(s)
- if (!empty($rule['actions'])) {
- foreach ($rule['actions'] as $action) {
- $action_script = '';
-
- switch ($action['type']) {
-
- case 'fileinto':
- array_push($exts, 'fileinto');
- $action_script .= 'fileinto ';
- if ($action['copy']) {
- $action_script .= ':copy ';
- array_push($exts, 'copy');
- }
- $action_script .= self::escape_string($action['target']);
- break;
-
- case 'redirect':
- $action_script .= 'redirect ';
- if ($action['copy']) {
- $action_script .= ':copy ';
- array_push($exts, 'copy');
- }
- $action_script .= self::escape_string($action['target']);
- break;
-
- case 'reject':
- case 'ereject':
- array_push($exts, $action['type']);
- $action_script .= $action['type'].' '
- . self::escape_string($action['target']);
- break;
-
- case 'addflag':
- case 'setflag':
- case 'removeflag':
- if (in_array('imap4flags', $this->supported))
- array_push($exts, 'imap4flags');
- else
- array_push($exts, 'imapflags');
-
- $action_script .= $action['type'].' '
- . self::escape_string($action['target']);
- break;
-
- case 'keep':
- case 'discard':
- case 'stop':
- $action_script .= $action['type'];
- break;
-
- case 'include':
- array_push($exts, 'include');
- $action_script .= 'include ';
- foreach (array_diff(array_keys($action), array('target', 'type')) as $opt) {
- $action_script .= ":$opt ";
- }
- $action_script .= self::escape_string($action['target']);
- break;
-
- case 'set':
- array_push($exts, 'variables');
- $action_script .= 'set ';
- foreach (array_diff(array_keys($action), array('name', 'value', 'type')) as $opt) {
- $action_script .= ":$opt ";
- }
- $action_script .= self::escape_string($action['name']) . ' ' . self::escape_string($action['value']);
- break;
-
- case 'vacation':
- array_push($exts, 'vacation');
- $action_script .= 'vacation';
- if (!empty($action['days']))
- $action_script .= " :days " . $action['days'];
- if (!empty($action['addresses']))
- $action_script .= " :addresses " . self::escape_string($action['addresses']);
- if (!empty($action['subject']))
- $action_script .= " :subject " . self::escape_string($action['subject']);
- if (!empty($action['handle']))
- $action_script .= " :handle " . self::escape_string($action['handle']);
- if (!empty($action['from']))
- $action_script .= " :from " . self::escape_string($action['from']);
- if (!empty($action['mime']))
- $action_script .= " :mime";
- $action_script .= " " . self::escape_string($action['reason']);
- break;
- }
-
- if ($action_script) {
- $script .= !empty($tests) ? "\t" : '';
- $script .= $action_script . ";\n";
- }
- }
- }
-
- if ($script) {
- $output .= $script . (!empty($tests) ? "}\n" : '');
- $idx++;
- }
- }
-
- // requires
- if (!empty($exts))
- $output = 'require ["' . implode('","', array_unique($exts)) . "\"];\n" . $output;
-
- if (!empty($this->prefix)) {
- $output = $this->prefix . "\n\n" . $output;
- }
-
- return $output;
- }
-
- /**
- * Returns script object
- *
- */
- public function as_array()
- {
- return $this->content;
- }
-
- /**
- * Returns array of supported extensions
- *
- */
- public function get_extensions()
- {
- return array_values($this->supported);
- }
-
- /**
- * Converts text script to rules array
- *
- * @param string Text script
- */
- private function _parse_text($script)
- {
- $prefix = '';
- $options = array();
-
- while ($script) {
- $script = trim($script);
- $rule = array();
-
- // Comments
- while (!empty($script) && $script[0] == '#') {
- $endl = strpos($script, "\n");
- $line = $endl ? substr($script, 0, $endl) : $script;
-
- // Roundcube format
- if (preg_match('/^# rule:\[(.*)\]/', $line, $matches)) {
- $rulename = $matches[1];
- }
- // KEP:14 variables
- else if (preg_match('/^# (EDITOR|EDITOR_VERSION) (.+)$/', $line, $matches)) {
- $this->set_var($matches[1], $matches[2]);
- }
- // Horde-Ingo format
- else if (!empty($options['format']) && $options['format'] == 'INGO'
- && preg_match('/^# (.*)/', $line, $matches)
- ) {
- $rulename = $matches[1];
- }
- else if (empty($options['prefix'])) {
- $prefix .= $line . "\n";
- }
-
- $script = ltrim(substr($script, strlen($line) + 1));
- }
-
- // handle script header
- if (empty($options['prefix'])) {
- $options['prefix'] = true;
- if ($prefix && strpos($prefix, 'horde.org/ingo')) {
- $options['format'] = 'INGO';
- }
- }
-
- // Control structures/blocks
- if (preg_match('/^(if|else|elsif)/i', $script)) {
- $rule = $this->_tokenize_rule($script);
- if (strlen($rulename) && !empty($rule)) {
- $rule['name'] = $rulename;
- }
- }
- // Simple commands
- else {
- $rule = $this->_parse_actions($script, ';');
- if (!empty($rule[0]) && is_array($rule)) {
- // set "global" variables
- if ($rule[0]['type'] == 'set') {
- unset($rule[0]['type']);
- $this->vars[] = $rule[0];
- }
- else {
- $rule = array('actions' => $rule);
- }
- }
- }
-
- $rulename = '';
-
- if (!empty($rule)) {
- $this->content[] = $rule;
- }
- }
-
- if (!empty($prefix)) {
- $this->prefix = trim($prefix);
- }
- }
-
- /**
- * Convert text script fragment to rule object
- *
- * @param string Text rule
- *
- * @return array Rule data
- */
- private function _tokenize_rule(&$content)
- {
- $cond = strtolower(self::tokenize($content, 1));
-
- if ($cond != 'if' && $cond != 'elsif' && $cond != 'else') {
- return null;
- }
-
- $disabled = false;
- $join = false;
-
- // disabled rule (false + comment): if false # .....
- if (preg_match('/^\s*false\s+#/i', $content)) {
- $content = preg_replace('/^\s*false\s+#\s*/i', '', $content);
- $disabled = true;
- }
-
- while (strlen($content)) {
- $tokens = self::tokenize($content, true);
- $separator = array_pop($tokens);
-
- if (!empty($tokens)) {
- $token = array_shift($tokens);
- }
- else {
- $token = $separator;
- }
-
- $token = strtolower($token);
-
- if ($token == 'not') {
- $not = true;
- $token = strtolower(array_shift($tokens));
- }
- else {
- $not = false;
- }
-
- switch ($token) {
- case 'allof':
- $join = true;
- break;
- case 'anyof':
- break;
-
- case 'size':
- $size = array('test' => 'size', 'not' => $not);
- for ($i=0, $len=count($tokens); $i<$len; $i++) {
- if (!is_array($tokens[$i])
- && preg_match('/^:(under|over)$/i', $tokens[$i])
- ) {
- $size['type'] = strtolower(substr($tokens[$i], 1));
- }
- else {
- $size['arg'] = $tokens[$i];
- }
- }
-
- $tests[] = $size;
- break;
-
- case 'header':
- $header = array('test' => 'header', 'not' => $not, 'arg1' => '', 'arg2' => '');
- for ($i=0, $len=count($tokens); $i<$len; $i++) {
- if (!is_array($tokens[$i]) && preg_match('/^:comparator$/i', $tokens[$i])) {
- $header['comparator'] = $tokens[++$i];
- }
- else if (!is_array($tokens[$i]) && preg_match('/^:(count|value)$/i', $tokens[$i])) {
- $header['type'] = strtolower(substr($tokens[$i], 1)) . '-' . $tokens[++$i];
- }
- else if (!is_array($tokens[$i]) && preg_match('/^:(is|contains|matches|regex)$/i', $tokens[$i])) {
- $header['type'] = strtolower(substr($tokens[$i], 1));
- }
- else {
- $header['arg1'] = $header['arg2'];
- $header['arg2'] = $tokens[$i];
- }
- }
-
- $tests[] = $header;
- break;
-
- case 'address':
- case 'envelope':
- $header = array('test' => $token, 'not' => $not, 'arg1' => '', 'arg2' => '');
- for ($i=0, $len=count($tokens); $i<$len; $i++) {
- if (!is_array($tokens[$i]) && preg_match('/^:comparator$/i', $tokens[$i])) {
- $header['comparator'] = $tokens[++$i];
- }
- else if (!is_array($tokens[$i]) && preg_match('/^:(is|contains|matches|regex)$/i', $tokens[$i])) {
- $header['type'] = strtolower(substr($tokens[$i], 1));
- }
- else if (!is_array($tokens[$i]) && preg_match('/^:(localpart|domain|all|user|detail)$/i', $tokens[$i])) {
- $header['part'] = strtolower(substr($tokens[$i], 1));
- }
- else {
- $header['arg1'] = $header['arg2'];
- $header['arg2'] = $tokens[$i];
- }
- }
-
- $tests[] = $header;
- break;
-
- case 'body':
- $header = array('test' => 'body', 'not' => $not, 'arg' => '');
- for ($i=0, $len=count($tokens); $i<$len; $i++) {
- if (!is_array($tokens[$i]) && preg_match('/^:comparator$/i', $tokens[$i])) {
- $header['comparator'] = $tokens[++$i];
- }
- else if (!is_array($tokens[$i]) && preg_match('/^:(is|contains|matches|regex)$/i', $tokens[$i])) {
- $header['type'] = strtolower(substr($tokens[$i], 1));
- }
- else if (!is_array($tokens[$i]) && preg_match('/^:(raw|content|text)$/i', $tokens[$i])) {
- $header['part'] = strtolower(substr($tokens[$i], 1));
-
- if ($header['part'] == 'content') {
- $header['content'] = $tokens[++$i];
- }
- }
- else {
- $header['arg'] = $tokens[$i];
- }
- }
-
- $tests[] = $header;
- break;
-
- case 'exists':
- $tests[] = array('test' => 'exists', 'not' => $not,
- 'arg' => array_pop($tokens));
- break;
-
- case 'true':
- $tests[] = array('test' => 'true', 'not' => $not);
- break;
-
- case 'false':
- $tests[] = array('test' => 'true', 'not' => !$not);
- break;
- }
-
- // goto actions...
- if ($separator == '{') {
- break;
- }
- }
-
- // ...and actions block
- $actions = $this->_parse_actions($content);
-
- if ($tests && $actions) {
- $result = array(
- 'type' => $cond,
- 'tests' => $tests,
- 'actions' => $actions,
- 'join' => $join,
- 'disabled' => $disabled,
- );
- }
-
- return $result;
- }
-
- /**
- * Parse body of actions section
- *
- * @param string $content Text body
- * @param string $end End of text separator
- *
- * @return array Array of parsed action type/target pairs
- */
- private function _parse_actions(&$content, $end = '}')
- {
- $result = null;
-
- while (strlen($content)) {
- $tokens = self::tokenize($content, true);
- $separator = array_pop($tokens);
-
- if (!empty($tokens)) {
- $token = array_shift($tokens);
- }
- else {
- $token = $separator;
- }
-
- switch ($token) {
- case 'discard':
- case 'keep':
- case 'stop':
- $result[] = array('type' => $token);
- break;
-
- case 'fileinto':
- case 'redirect':
- $copy = false;
- $target = '';
-
- for ($i=0, $len=count($tokens); $i<$len; $i++) {
- if (strtolower($tokens[$i]) == ':copy') {
- $copy = true;
- }
- else {
- $target = $tokens[$i];
- }
- }
-
- $result[] = array('type' => $token, 'copy' => $copy,
- 'target' => $target);
- break;
-
- case 'reject':
- case 'ereject':
- $result[] = array('type' => $token, 'target' => array_pop($tokens));
- break;
-
- case 'vacation':
- $vacation = array('type' => 'vacation', 'reason' => array_pop($tokens));
-
- for ($i=0, $len=count($tokens); $i<$len; $i++) {
- $tok = strtolower($tokens[$i]);
- if ($tok == ':days') {
- $vacation['days'] = $tokens[++$i];
- }
- else if ($tok == ':subject') {
- $vacation['subject'] = $tokens[++$i];
- }
- else if ($tok == ':addresses') {
- $vacation['addresses'] = $tokens[++$i];
- }
- else if ($tok == ':handle') {
- $vacation['handle'] = $tokens[++$i];
- }
- else if ($tok == ':from') {
- $vacation['from'] = $tokens[++$i];
- }
- else if ($tok == ':mime') {
- $vacation['mime'] = true;
- }
- }
-
- $result[] = $vacation;
- break;
-
- case 'setflag':
- case 'addflag':
- case 'removeflag':
- $result[] = array('type' => $token,
- // Flags list: last token (skip optional variable)
- 'target' => $tokens[count($tokens)-1]
- );
- break;
-
- case 'include':
- $include = array('type' => 'include', 'target' => array_pop($tokens));
-
- // Parameters: :once, :optional, :global, :personal
- for ($i=0, $len=count($tokens); $i<$len; $i++) {
- $tok = strtolower($tokens[$i]);
- if ($tok[0] == ':') {
- $include[substr($tok, 1)] = true;
- }
- }
-
- $result[] = $include;
- break;
-
- case 'set':
- $set = array('type' => 'set', 'value' => array_pop($tokens), 'name' => array_pop($tokens));
-
- // Parameters: :lower :upper :lowerfirst :upperfirst :quotewildcard :length
- for ($i=0, $len=count($tokens); $i<$len; $i++) {
- $tok = strtolower($tokens[$i]);
- if ($tok[0] == ':') {
- $set[substr($tok, 1)] = true;
- }
- }
-
- $result[] = $set;
- break;
-
- case 'require':
- // skip, will be build according to used commands
- // $result[] = array('type' => 'require', 'target' => $tokens);
- break;
-
- }
-
- if ($separator == $end)
- break;
- }
-
- return $result;
- }
-
- /**
- *
- */
- private function add_comparator($test, &$out, &$exts)
- {
- if (empty($test['comparator'])) {
- return;
- }
-
- if ($test['comparator'] == 'i;ascii-numeric') {
- array_push($exts, 'relational');
- array_push($exts, 'comparator-i;ascii-numeric');
- }
- else if (!in_array($test['comparator'], array('i;octet', 'i;ascii-casemap'))) {
- array_push($exts, 'comparator-' . $test['comparator']);
- }
-
- // skip default comparator
- if ($test['comparator'] != 'i;ascii-casemap') {
- $out .= ' :comparator ' . self::escape_string($test['comparator']);
- }
- }
-
- /**
- * Escape special chars into quoted string value or multi-line string
- * or list of strings
- *
- * @param string $str Text or array (list) of strings
- *
- * @return string Result text
- */
- static function escape_string($str)
- {
- if (is_array($str) && count($str) > 1) {
- foreach($str as $idx => $val)
- $str[$idx] = self::escape_string($val);
-
- return '[' . implode(',', $str) . ']';
- }
- else if (is_array($str)) {
- $str = array_pop($str);
- }
-
- // multi-line string
- if (preg_match('/[\r\n\0]/', $str) || strlen($str) > 1024) {
- return sprintf("text:\n%s\n.\n", self::escape_multiline_string($str));
- }
- // quoted-string
- else {
- return '"' . addcslashes($str, '\\"') . '"';
- }
- }
-
- /**
- * Escape special chars in multi-line string value
- *
- * @param string $str Text
- *
- * @return string Text
- */
- static function escape_multiline_string($str)
- {
- $str = preg_split('/(\r?\n)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE);
-
- foreach ($str as $idx => $line) {
- // dot-stuffing
- if (isset($line[0]) && $line[0] == '.') {
- $str[$idx] = '.' . $line;
- }
- }
-
- return implode($str);
- }
-
- /**
- * Splits script into string tokens
- *
- * @param string &$str The script
- * @param mixed $num Number of tokens to return, 0 for all
- * or True for all tokens until separator is found.
- * Separator will be returned as last token.
- * @param int $in_list Enable to call recursively inside a list
- *
- * @return mixed Tokens array or string if $num=1
- */
- static function tokenize(&$str, $num=0, $in_list=false)
- {
- $result = array();
-
- // remove spaces from the beginning of the string
- while (($str = ltrim($str)) !== ''
- && (!$num || $num === true || count($result) < $num)
- ) {
- switch ($str[0]) {
-
- // Quoted string
- case '"':
- $len = strlen($str);
-
- for ($pos=1; $pos<$len; $pos++) {
- if ($str[$pos] == '"') {
- break;
- }
- if ($str[$pos] == "\\") {
- if ($str[$pos + 1] == '"' || $str[$pos + 1] == "\\") {
- $pos++;
- }
- }
- }
- if ($str[$pos] != '"') {
- // error
- }
- // we need to strip slashes for a quoted string
- $result[] = stripslashes(substr($str, 1, $pos - 1));
- $str = substr($str, $pos + 1);
- break;
-
- // Parenthesized list
- case '[':
- $str = substr($str, 1);
- $result[] = self::tokenize($str, 0, true);
- break;
- case ']':
- $str = substr($str, 1);
- return $result;
- break;
-
- // list/test separator
- case ',':
- // command separator
- case ';':
- // block/tests-list
- case '(':
- case ')':
- case '{':
- case '}':
- $sep = $str[0];
- $str = substr($str, 1);
- if ($num === true) {
- $result[] = $sep;
- break 2;
- }
- break;
-
- // bracket-comment
- case '/':
- if ($str[1] == '*') {
- if ($end_pos = strpos($str, '*/')) {
- $str = substr($str, $end_pos + 2);
- }
- else {
- // error
- $str = '';
- }
- }
- break;
-
- // hash-comment
- case '#':
- if ($lf_pos = strpos($str, "\n")) {
- $str = substr($str, $lf_pos);
- break;
- }
- else {
- $str = '';
- }
-
- // String atom
- default:
- // empty or one character
- if ($str === '' || $str === null) {
- break 2;
- }
- if (strlen($str) < 2) {
- $result[] = $str;
- $str = '';
- break;
- }
-
- // tag/identifier/number
- if (preg_match('/^([a-z0-9:_]+)/i', $str, $m)) {
- $str = substr($str, strlen($m[1]));
-
- if ($m[1] != 'text:') {
- $result[] = $m[1];
- }
- // multiline string
- else {
- // possible hash-comment after "text:"
- if (preg_match('/^( |\t)*(#[^\n]+)?\n/', $str, $m)) {
- $str = substr($str, strlen($m[0]));
- }
- // get text until alone dot in a line
- if (preg_match('/^(.*)\r?\n\.\r?\n/sU', $str, $m)) {
- $text = $m[1];
- // remove dot-stuffing
- $text = str_replace("\n..", "\n.", $text);
- $str = substr($str, strlen($m[0]));
- }
- else {
- $text = '';
- }
-
- $result[] = $text;
- }
- }
- // fallback, skip one character as infinite loop prevention
- else {
- $str = substr($str, 1);
- }
-
- break;
- }
- }
-
- return $num === 1 ? (isset($result[0]) ? $result[0] : null) : $result;
- }
-
-}