--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/managesieve/managesieve.php	Thu Jan 04 15:50:29 2018 -0500
@@ -0,0 +1,291 @@
+<?php
+
+/**
+ * Managesieve (Sieve Filters)
+ *
+ * Plugin that adds a possibility to manage Sieve filters in Thunderbird's style.
+ * It's clickable interface which operates on text scripts and communicates
+ * with server using managesieve protocol. Adds Filters tab in Settings.
+ *
+ * @author Aleksander Machniak <alec@alec.pl>
+ *
+ * Configuration (see config.inc.php.dist)
+ *
+ * Copyright (C) 2008-2013, The Roundcube Dev Team
+ * Copyright (C) 2011-2013, 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 as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see http://www.gnu.org/licenses/.
+ */
+
+class managesieve extends rcube_plugin
+{
+    public $task = 'mail|settings';
+    private $rc;
+    private $engine;
+
+    function init()
+    {
+        $this->rc = rcube::get_instance();
+
+        // register actions
+        $this->register_action('plugin.managesieve', array($this, 'managesieve_actions'));
+        $this->register_action('plugin.managesieve-action', array($this, 'managesieve_actions'));
+        $this->register_action('plugin.managesieve-vacation', array($this, 'managesieve_actions'));
+        $this->register_action('plugin.managesieve-save', array($this, 'managesieve_save'));
+        $this->register_action('plugin.managesieve-saveraw', array($this, 'managesieve_saveraw'));
+
+        if ($this->rc->task == 'settings') {
+            $this->add_hook('settings_actions', array($this, 'settings_actions'));
+            $this->init_ui();
+        }
+        else if ($this->rc->task == 'mail') {
+            // register message hook
+            if ($this->rc->action == 'show') {
+                $this->add_hook('message_headers_output', array($this, 'mail_headers'));
+            }
+
+            // inject Create Filter popup stuff
+            if (empty($this->rc->action) || $this->rc->action == 'show'
+                || strpos($this->rc->action, 'plugin.managesieve') === 0
+            ) {
+                $this->mail_task_handler();
+            }
+        }
+    }
+
+    /**
+     * Initializes plugin's UI (localization, js script)
+     */
+    function init_ui()
+    {
+        if ($this->ui_initialized) {
+            return;
+        }
+
+        // load localization
+        $this->add_texts('localization/');
+
+        $sieve_action = strpos($this->rc->action, 'plugin.managesieve') === 0;
+
+        if ($this->rc->task == 'mail' || $sieve_action) {
+            $this->include_script('managesieve.js');
+        }
+
+        // include styles
+        $skin_path = $this->local_skin_path();
+        if ($sieve_action || ($this->rc->task == 'settings' && empty($_REQUEST['_framed']))) {
+            $this->include_stylesheet("$skin_path/managesieve.css");
+        }
+        else if ($this->rc->task == 'mail') {
+            $this->include_stylesheet("$skin_path/managesieve_mail.css");
+        }
+
+        $this->ui_initialized = true;
+    }
+
+    /**
+     * Adds Filters section in Settings
+     */
+    function settings_actions($args)
+    {
+        $this->load_config();
+
+        $vacation_mode = (int) $this->rc->config->get('managesieve_vacation');
+
+        // register Filters action
+        if ($vacation_mode != 2) {
+            $args['actions'][] = array(
+                'action' => 'plugin.managesieve',
+                'class'  => 'filter',
+                'label'  => 'filters',
+                'domain' => 'managesieve',
+                'title'  => 'filterstitle',
+            );
+        }
+
+        // register Vacation action
+        if ($vacation_mode > 0) {
+            $args['actions'][] = array(
+                'action' => 'plugin.managesieve-vacation',
+                'class'  => 'vacation',
+                'label'  => 'vacation',
+                'domain' => 'managesieve',
+                'title'  => 'vacationtitle',
+            );
+        }
+
+        return $args;
+    }
+
+    /**
+     * Add UI elements to the 'mailbox view' and 'show message' UI.
+     */
+    function mail_task_handler()
+    {
+        // make sure we're not in ajax request
+        if ($this->rc->output->type != 'html') {
+            return;
+        }
+
+        // use jQuery for popup window
+        $this->require_plugin('jqueryui');
+
+        // include js script and localization
+        $this->init_ui();
+
+        // add 'Create filter' item to message menu
+        $this->api->add_content(html::tag('li', null, 
+            $this->api->output->button(array(
+                'command'  => 'managesieve-create',
+                'label'    => 'managesieve.filtercreate',
+                'type'     => 'link',
+                'classact' => 'icon filterlink active',
+                'class'    => 'icon filterlink',
+                'innerclass' => 'icon filterlink',
+            ))), 'messagemenu');
+
+        // register some labels/messages
+        $this->rc->output->add_label('managesieve.newfilter', 'managesieve.usedata',
+            'managesieve.nodata', 'managesieve.nextstep', 'save');
+
+        $this->rc->session->remove('managesieve_current');
+    }
+
+    /**
+     * Get message headers for popup window
+     */
+    function mail_headers($args)
+    {
+        // this hook can be executed many times
+        if ($this->mail_headers_done) {
+            return $args;
+        }
+
+        $this->mail_headers_done = true;
+
+        $headers = $this->parse_headers($args['headers']);
+
+        if ($this->rc->action == 'preview')
+            $this->rc->output->command('parent.set_env', array('sieve_headers' => $headers));
+        else
+            $this->rc->output->set_env('sieve_headers', $headers);
+
+        return $args;
+    }
+
+    /**
+     * Plugin action handler
+     */
+    function managesieve_actions()
+    {
+        // handle fetching email headers for the new filter form
+        if ($uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST)) {
+            $uids    = rcmail::get_uids();
+            $mailbox = key($uids);
+            $message = new rcube_message($uids[$mailbox][0], $mailbox);
+            $headers = $this->parse_headers($message->headers);
+
+            $this->rc->output->set_env('sieve_headers', $headers);
+            $this->rc->output->command('managesieve_create', true);
+            $this->rc->output->send();
+        }
+
+        // handle other actions
+        $engine_type = $this->rc->action == 'plugin.managesieve-vacation' ? 'vacation' : '';
+        $engine      = $this->get_engine($engine_type);
+
+        $this->init_ui();
+        $engine->actions();
+    }
+
+    /**
+     * Forms save action handler
+     */
+    function managesieve_save()
+    {
+        // load localization
+        $this->add_texts('localization/', array('filters','managefilters'));
+
+        // include main js script
+        if ($this->api->output->type == 'html') {
+            $this->include_script('managesieve.js');
+        }
+
+        $engine = $this->get_engine();
+        $engine->save();
+    }
+
+    /**
+     * Raw form save action handler
+     */
+    function managesieve_saveraw()
+    {
+        $engine = $this->get_engine();
+
+        if (!$this->rc->config->get('managesieve_raw_editor', true)) {
+            return;
+        }
+
+        // load localization
+        $this->add_texts('localization/', array('filters','managefilters'));
+
+        $engine->saveraw();
+    }
+
+    /**
+     * Initializes engine object
+     */
+    public function get_engine($type = null)
+    {
+        if (!$this->engine) {
+            $this->load_config();
+
+            // Add include path for internal classes
+            $include_path = $this->home . '/lib' . PATH_SEPARATOR;
+            $include_path .= ini_get('include_path');
+            set_include_path($include_path);
+
+            $class_name = 'rcube_sieve_' . ($type ?: 'engine');
+            $this->engine = new $class_name($this);
+        }
+
+        return $this->engine;
+    }
+
+    /**
+     * Extract mail headers for new filter form
+     */
+    private function parse_headers($headers)
+    {
+        $result = array();
+
+        if ($headers->subject)
+            $result[] = array('Subject', rcube_mime::decode_header($headers->subject));
+
+        // @TODO: List-Id, others?
+        foreach (array('From', 'To') as $h) {
+            $hl = strtolower($h);
+            if ($headers->$hl) {
+                $list = rcube_mime::decode_address_list($headers->$hl);
+                foreach ($list as $item) {
+                    if ($item['mailto']) {
+                        $result[] = array($h, $item['mailto']);
+                    }
+                }
+            }
+        }
+
+        return $result;
+    }
+}