<?php
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/**
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* Managesieve (Sieve Filters)
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*
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* Plugin that adds a possibility to manage Sieve filters in Thunderbird's style.
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* It's clickable interface which operates on text scripts and communicates
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* with server using managesieve protocol. Adds Filters tab in Settings.
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*
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* @version @package_version@
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* @author Aleksander Machniak <alec@alec.pl>
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*
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* Configuration (see config.inc.php.dist)
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*
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* Copyright (C) 2008-2013, The Roundcube Dev Team
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* Copyright (C) 2011-2013, Kolab Systems AG
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://www.gnu.org/licenses/.
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*/
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class managesieve extends rcube_plugin
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{
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public $task = 'mail|settings';
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private $rc;
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private $engine;
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function init()
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{
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$this->rc = rcmail::get_instance();
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// register actions
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$this->register_action('plugin.managesieve', array($this, 'managesieve_actions'));
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$this->register_action('plugin.managesieve-action', array($this, 'managesieve_actions'));
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$this->register_action('plugin.managesieve-save', array($this, 'managesieve_save'));
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if ($this->rc->task == 'settings') {
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$this->add_hook('settings_actions', array($this, 'settings_actions'));
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$this->init_ui();
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}
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else if ($this->rc->task == 'mail') {
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// register message hook
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$this->add_hook('message_headers_output', array($this, 'mail_headers'));
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// inject Create Filter popup stuff
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if (empty($this->rc->action) || $this->rc->action == 'show') {
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$this->mail_task_handler();
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}
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}
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}
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/**
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* Initializes plugin's UI (localization, js script)
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*/
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function init_ui()
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{
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if ($this->ui_initialized) {
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return;
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}
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// load localization
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$this->add_texts('localization/', array('filters','managefilters'));
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$this->include_script('managesieve.js');
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$this->ui_initialized = true;
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}
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/**
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* Adds Filters section in Settings
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*/
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function settings_actions($args)
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{
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// register as settings action
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$args['actions'][] = array('action' => 'plugin.managesieve', 'class' => 'filter', 'label' => 'filters', 'domain' => 'managesieve');
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return $args;
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}
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/**
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* Add UI elements to the 'mailbox view' and 'show message' UI.
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*/
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function mail_task_handler()
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{
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// make sure we're not in ajax request
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if ($this->rc->output->type != 'html') {
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return;
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}
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// use jQuery for popup window
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$this->require_plugin('jqueryui');
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// include js script and localization
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$this->init_ui();
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// include styles
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$skin_path = $this->local_skin_path();
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if (is_file($this->home . "/$skin_path/managesieve_mail.css")) {
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$this->include_stylesheet("$skin_path/managesieve_mail.css");
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}
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// add 'Create filter' item to message menu
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$this->api->add_content(html::tag('li', null,
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$this->api->output->button(array(
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'command' => 'managesieve-create',
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'label' => 'managesieve.filtercreate',
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'type' => 'link',
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'classact' => 'icon filterlink active',
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'class' => 'icon filterlink',
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'innerclass' => 'icon filterlink',
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))), 'messagemenu');
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// register some labels/messages
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$this->rc->output->add_label('managesieve.newfilter', 'managesieve.usedata',
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'managesieve.nodata', 'managesieve.nextstep', 'save');
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$this->rc->session->remove('managesieve_current');
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}
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/**
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* Get message headers for popup window
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*/
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function mail_headers($args)
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{
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// this hook can be executed many times
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if ($this->mail_headers_done) {
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return $args;
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}
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$this->mail_headers_done = true;
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$headers = $this->parse_headers($args['headers']);
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if ($this->rc->action == 'preview')
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$this->rc->output->command('parent.set_env', array('sieve_headers' => $headers));
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else
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$this->rc->output->set_env('sieve_headers', $headers);
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return $args;
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}
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/**
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* Plugin action handler
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*/
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function managesieve_actions()
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{
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// handle fetching email headers for the new filter form
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if ($uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_GPC)) {
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$mailbox = $this->rc->get_storage()->get_folder();
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$message = new rcube_message($uid, $mailbox);
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$headers = $this->parse_headers($message->headers);
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$this->rc->output->set_env('sieve_headers', $headers);
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$this->rc->output->command('managesieve_create', true);
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$this->rc->output->send();
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}
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// handle other action
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$this->init_ui();
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$engine = $this->get_engine();
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$engine->actions();
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}
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/**
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* Forms save action handler
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*/
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function managesieve_save()
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{
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// load localization
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$this->add_texts('localization/', array('filters','managefilters'));
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// include main js script
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if ($this->api->output->type == 'html') {
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$this->include_script('managesieve.js');
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}
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$engine = $this->get_engine();
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$engine->save();
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}
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/**
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* Initializes engine object
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*/
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private function get_engine()
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{
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if (!$this->engine) {
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$this->load_config();
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// Add include path for internal classes
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$include_path = $this->home . '/lib' . PATH_SEPARATOR;
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$include_path .= ini_get('include_path');
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set_include_path($include_path);
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$this->engine = new rcube_sieve_engine($this);
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}
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return $this->engine;
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}
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/**
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* Extract mail headers for new filter form
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*/
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private function parse_headers($headers)
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{
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$result = array();
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if ($headers->subject)
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$result[] = array('Subject', rcube_mime::decode_header($headers->subject));
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// @TODO: List-Id, others?
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foreach (array('From', 'To') as $h) {
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$hl = strtolower($h);
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if ($headers->$hl) {
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$list = rcube_mime::decode_address_list($headers->$hl);
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foreach ($list as $item) {
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if ($item['mailto']) {
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$result[] = array($h, $item['mailto']);
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}
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}
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}
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}
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return $result;
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}
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}
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