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585 lines
18 KiB
PHP
585 lines
18 KiB
PHP
<?php
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/**
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+-------------------------------------------------------------------------+
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| Enigma Plugin for Roundcube |
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| Copyright (C) The Roundcube Dev Team |
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| Licensed under the GNU General Public License version 3 or |
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| any later version with exceptions for skins & plugins. |
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| See the README file for a full license statement. |
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+-------------------------------------------------------------------------+
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| Author: Aleksander Machniak <alec@alec.pl> |
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+-------------------------------------------------------------------------+
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*/
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/**
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* This class contains only hooks and action handlers.
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* Most plugin logic is placed in enigma_engine and enigma_ui classes.
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*/
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class enigma extends rcube_plugin
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{
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public $task = 'mail|settings|cli';
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public $rc;
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public $engine;
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public $ui;
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private $env_loaded = false;
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/**
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* Plugin initialization.
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*/
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function init()
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{
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$this->rc = rcube::get_instance();
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if ($this->rc->task == 'mail') {
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// message parse/display hooks
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$this->add_hook('message_part_structure', array($this, 'part_structure'));
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$this->add_hook('message_part_body', array($this, 'part_body'));
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$this->add_hook('message_body_prefix', array($this, 'status_message'));
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$this->register_action('plugin.enigmaimport', array($this, 'import_file'));
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$this->register_action('plugin.enigmakeys', array($this, 'preferences_ui'));
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// load the Enigma plugin configuration
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$this->load_config();
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$enabled = $this->rc->config->get('enigma_encryption', true);
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// message displaying
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if ($this->rc->action == 'show' || $this->rc->action == 'preview' || $this->rc->action == 'print') {
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$this->add_hook('message_load', array($this, 'message_load'));
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$this->add_hook('template_object_messagebody', array($this, 'message_output'));
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}
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// message composing
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else if ($enabled && $this->rc->action == 'compose') {
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$this->add_hook('message_compose_body', array($this, 'message_compose'));
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$this->load_ui();
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$this->ui->init();
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}
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// message sending (and draft storing)
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else if ($enabled && $this->rc->action == 'send') {
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$this->add_hook('message_ready', array($this, 'message_ready'));
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}
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$this->password_handler();
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}
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else if ($this->rc->task == 'settings') {
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// add hooks for Enigma settings
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$this->add_hook('settings_actions', array($this, 'settings_actions'));
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$this->add_hook('preferences_sections_list', array($this, 'preferences_sections_list'));
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$this->add_hook('preferences_list', array($this, 'preferences_list'));
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$this->add_hook('preferences_save', array($this, 'preferences_save'));
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$this->add_hook('identity_form', array($this, 'identity_form'));
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// register handler for keys/certs management
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$this->register_action('plugin.enigmakeys', array($this, 'preferences_ui'));
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// $this->register_action('plugin.enigmacerts', array($this, 'preferences_ui'));
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$this->load_ui();
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if (empty($_REQUEST['_framed']) || strpos($this->rc->action, 'plugin.enigma') === 0) {
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$this->ui->add_css();
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}
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$this->password_handler();
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}
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else if ($this->rc->task == 'cli') {
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$this->add_hook('user_delete_commit', array($this, 'user_delete'));
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}
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$this->add_hook('refresh', array($this, 'refresh'));
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}
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/**
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* Plugin environment initialization.
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*/
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function load_env()
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{
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if ($this->env_loaded) {
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return;
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}
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$this->env_loaded = true;
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// Add include path for Enigma classes and drivers
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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($include_path);
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// load the Enigma plugin configuration
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$this->load_config();
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// include localization (if wasn't included before)
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$this->add_texts('localization/');
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}
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/**
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* Plugin UI initialization.
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*/
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function load_ui($all = false)
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{
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if (!$this->ui) {
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// load config/localization
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$this->load_env();
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// Load UI
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$this->ui = new enigma_ui($this, $this->home);
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}
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if ($all) {
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$this->ui->add_css();
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$this->ui->add_js();
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}
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}
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/**
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* Plugin engine initialization.
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*/
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function load_engine()
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{
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if ($this->engine) {
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return $this->engine;
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}
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// load config/localization
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$this->load_env();
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return $this->engine = new enigma_engine($this);
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}
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/**
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* Handler for message_part_structure hook.
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* Called for every part of the message.
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*
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* @param array Original parameters
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*
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* @return array Modified parameters
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*/
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function part_structure($p)
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{
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$this->load_engine();
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return $this->engine->part_structure($p);
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}
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/**
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* Handler for message_part_body hook.
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* Called to get body of a message part.
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*
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* @param array Original parameters
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*
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* @return array Modified parameters
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*/
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function part_body($p)
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{
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$this->load_engine();
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return $this->engine->part_body($p);
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}
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/**
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* Handler for settings_actions hook.
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* Adds Enigma settings section into preferences.
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*
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* @param array Original parameters
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*
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* @return array Modified parameters
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*/
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function settings_actions($args)
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{
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// add labels
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$this->add_texts('localization/');
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// register as settings action
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$args['actions'][] = array(
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'action' => 'plugin.enigmakeys',
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'class' => 'enigma keys',
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'label' => 'enigmakeys',
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'title' => 'enigmakeys',
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'domain' => 'enigma',
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);
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/*
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$args['actions'][] = array(
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'action' => 'plugin.enigmacerts',
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'class' => 'enigma certs',
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'label' => 'enigmacerts',
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'title' => 'enigmacerts',
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'domain' => 'enigma',
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);
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*/
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return $args;
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}
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/**
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* Handler for preferences_sections_list hook.
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* Adds Encryption settings section into preferences sections list.
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*
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* @param array Original parameters
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*
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* @return array Modified parameters
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*/
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function preferences_sections_list($p)
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{
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$p['list']['enigma'] = array(
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'id' => 'enigma', 'section' => $this->gettext('encryption'),
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);
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return $p;
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}
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/**
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* Handler for preferences_list hook.
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* Adds options blocks into Enigma settings sections in Preferences.
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*
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* @param array Original parameters
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*
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* @return array Modified parameters
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*/
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function preferences_list($p)
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{
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if ($p['section'] != 'enigma') {
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return $p;
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}
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$no_override = array_flip((array)$this->rc->config->get('dont_override'));
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$p['blocks']['main']['name'] = $this->gettext('mainoptions');
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if (!isset($no_override['enigma_encryption'])) {
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if (!$p['current']) {
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$p['blocks']['main']['content'] = true;
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return $p;
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}
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$field_id = 'rcmfd_enigma_encryption';
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$input = new html_checkbox(array(
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'name' => '_enigma_encryption',
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'id' => $field_id,
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'value' => 1,
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));
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$p['blocks']['main']['options']['enigma_encryption'] = array(
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'title' => html::label($field_id, $this->gettext('supportencryption')),
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'content' => $input->show(intval($this->rc->config->get('enigma_encryption'))),
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);
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}
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if (!isset($no_override['enigma_signatures'])) {
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if (!$p['current']) {
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$p['blocks']['main']['content'] = true;
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return $p;
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}
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$field_id = 'rcmfd_enigma_signatures';
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$input = new html_checkbox(array(
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'name' => '_enigma_signatures',
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'id' => $field_id,
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'value' => 1,
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));
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$p['blocks']['main']['options']['enigma_signatures'] = array(
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'title' => html::label($field_id, $this->gettext('supportsignatures')),
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'content' => $input->show(intval($this->rc->config->get('enigma_signatures'))),
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);
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}
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if (!isset($no_override['enigma_decryption'])) {
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if (!$p['current']) {
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$p['blocks']['main']['content'] = true;
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return $p;
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}
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$field_id = 'rcmfd_enigma_decryption';
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$input = new html_checkbox(array(
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'name' => '_enigma_decryption',
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'id' => $field_id,
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'value' => 1,
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));
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$p['blocks']['main']['options']['enigma_decryption'] = array(
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'title' => html::label($field_id, $this->gettext('supportdecryption')),
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'content' => $input->show(intval($this->rc->config->get('enigma_decryption'))),
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);
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}
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if (!isset($no_override['enigma_sign_all'])) {
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if (!$p['current']) {
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$p['blocks']['main']['content'] = true;
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return $p;
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}
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$field_id = 'rcmfd_enigma_sign_all';
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$input = new html_checkbox(array(
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'name' => '_enigma_sign_all',
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'id' => $field_id,
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'value' => 1,
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));
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$p['blocks']['main']['options']['enigma_sign_all'] = array(
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'title' => html::label($field_id, $this->gettext('signdefault')),
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'content' => $input->show($this->rc->config->get('enigma_sign_all') ? 1 : 0),
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);
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}
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if (!isset($no_override['enigma_encrypt_all'])) {
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if (!$p['current']) {
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$p['blocks']['main']['content'] = true;
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return $p;
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}
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$field_id = 'rcmfd_enigma_encrypt_all';
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$input = new html_checkbox(array(
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'name' => '_enigma_encrypt_all',
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'id' => $field_id,
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'value' => 1,
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));
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$p['blocks']['main']['options']['enigma_encrypt_all'] = array(
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'title' => html::label($field_id, $this->gettext('encryptdefault')),
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'content' => $input->show($this->rc->config->get('enigma_encrypt_all') ? 1 : 0),
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);
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}
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if (!isset($no_override['enigma_attach_pubkey'])) {
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if (!$p['current']) {
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$p['blocks']['main']['content'] = true;
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return $p;
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}
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$field_id = 'rcmfd_enigma_attach_pubkey';
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$input = new html_checkbox(array(
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'name' => '_enigma_attach_pubkey',
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'id' => $field_id,
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'value' => 1,
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));
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$p['blocks']['main']['options']['enigma_attach_pubkey'] = array(
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'title' => html::label($field_id, $this->gettext('attachpubkeydefault')),
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'content' => $input->show($this->rc->config->get('enigma_attach_pubkey') ? 1 : 0),
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);
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}
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if (!isset($no_override['enigma_password_time'])) {
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if (!$p['current']) {
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$p['blocks']['main']['content'] = true;
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return $p;
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}
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$field_id = 'rcmfd_enigma_password_time';
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$select = new html_select(array('name' => '_enigma_password_time', 'id' => $field_id));
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foreach (array(1, 5, 10, 15, 30) as $m) {
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$label = $this->gettext(array('name' => 'nminutes', 'vars' => array('m' => $m)));
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$select->add($label, $m);
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}
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$select->add($this->gettext('wholesession'), 0);
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$p['blocks']['main']['options']['enigma_password_time'] = array(
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'title' => html::label($field_id, $this->gettext('passwordtime')),
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'content' => $select->show(intval($this->rc->config->get('enigma_password_time'))),
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);
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}
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return $p;
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}
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/**
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* Handler for preferences_save hook.
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* Executed on Enigma settings form submit.
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*
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* @param array Original parameters
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*
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* @return array Modified parameters
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*/
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function preferences_save($p)
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{
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if ($p['section'] == 'enigma') {
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$p['prefs'] = array(
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'enigma_signatures' => (bool) rcube_utils::get_input_value('_enigma_signatures', rcube_utils::INPUT_POST),
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'enigma_decryption' => (bool) rcube_utils::get_input_value('_enigma_decryption', rcube_utils::INPUT_POST),
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'enigma_encryption' => (bool) rcube_utils::get_input_value('_enigma_encryption', rcube_utils::INPUT_POST),
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'enigma_sign_all' => (bool) rcube_utils::get_input_value('_enigma_sign_all', rcube_utils::INPUT_POST),
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'enigma_encrypt_all' => (bool) rcube_utils::get_input_value('_enigma_encrypt_all', rcube_utils::INPUT_POST),
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'enigma_attach_pubkey' => (bool) rcube_utils::get_input_value('_enigma_attach_pubkey', rcube_utils::INPUT_POST),
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'enigma_password_time' => intval(rcube_utils::get_input_value('_enigma_password_time', rcube_utils::INPUT_POST)),
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);
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}
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return $p;
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}
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/**
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* Handler for keys/certs management UI template.
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*/
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function preferences_ui()
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{
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$this->load_ui();
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$this->ui->init();
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}
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/**
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* Handler for 'identity_form' plugin hook.
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*
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* This will list private keys matching this identity
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* and add a link to enigma key management action.
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*
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* @param array Original parameters
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*
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* @return array Modified parameters
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*/
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function identity_form($p)
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{
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if (isset($p['form']['encryption']) && !empty($p['record']['identity_id'])) {
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$content = '';
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// find private keys for this identity
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if ($p['record']['email']) {
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$listing = array();
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$engine = $this->load_engine();
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$keys = (array)$engine->list_keys($p['record']['email']);
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foreach ($keys as $key) {
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if ($key->get_type() === enigma_key::TYPE_KEYPAIR) {
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$listing[] = html::tag('li', null,
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html::tag('strong', 'uid', html::quote($key->id))
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. ' ' . html::tag('span', 'identity', html::quote($key->name))
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);
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}
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}
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if (count($listing)) {
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$content .= html::p(null, $this->gettext(array('name' => 'identitymatchingprivkeys', 'vars' => array('nr' => count($listing)))));
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$content .= html::tag('ul', 'keylist', join('\n', $listing));
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} else {
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$content .= html::p(null, $this->gettext('identitynoprivkeys'));
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}
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}
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// add button linking to enigma key management
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$button_attr = array(
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'class' => 'button',
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'href' => $this->rc->url(array('action' => 'plugin.enigmakeys')),
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'target' => '_parent',
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);
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$content .= html::p(null, html::a($button_attr, $this->gettext('managekeys')));
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// rename class to avoid Mailvelope key management to kick in
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$p['form']['encryption']['attrs'] = array('class' => 'enigma-identity-encryption');
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// fill fieldset content with our stuff
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$p['form']['encryption']['content'] = html::div('identity-encryption-block', $content);
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}
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return $p;
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}
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/**
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* Handler for message_body_prefix hook.
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* Called for every displayed (content) part of the message.
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* Adds infobox about signature verification and/or decryption
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* status above the body.
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*
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* @param array Original parameters
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*
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* @return array Modified parameters
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*/
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function status_message($p)
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{
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$this->load_ui();
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return $this->ui->status_message($p);
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}
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/**
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* Handler for message_load hook.
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* Check message bodies and attachments for keys/certs.
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*/
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function message_load($p)
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{
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$this->load_ui();
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return $this->ui->message_load($p);
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}
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/**
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* Handler for template_object_messagebody hook.
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* This callback function adds a box below the message content
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* if there is a key/cert attachment available
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*/
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function message_output($p)
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{
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$this->load_ui();
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return $this->ui->message_output($p);
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}
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/**
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* Handler for attached keys/certs import
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*/
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function import_file()
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{
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$this->load_ui();
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$this->ui->import_file();
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}
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/**
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* Handle password submissions
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*/
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function password_handler()
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{
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$this->load_engine();
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$this->engine->password_handler();
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}
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/**
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* Handle message_ready hook (encryption/signing)
|
|
*/
|
|
function message_ready($p)
|
|
{
|
|
$this->load_ui();
|
|
|
|
return $this->ui->message_ready($p);
|
|
}
|
|
|
|
/**
|
|
* Handle message_compose_body hook
|
|
*/
|
|
function message_compose($p)
|
|
{
|
|
$this->load_ui();
|
|
|
|
return $this->ui->message_compose($p);
|
|
}
|
|
|
|
/**
|
|
* Handler for refresh hook.
|
|
*/
|
|
function refresh($p)
|
|
{
|
|
// calling enigma_engine constructor to remove passwords
|
|
// stored in session after expiration time
|
|
$this->load_engine();
|
|
|
|
return $p;
|
|
}
|
|
|
|
/**
|
|
* Handle delete_user_commit hook
|
|
*/
|
|
function user_delete($p)
|
|
{
|
|
$this->load_engine();
|
|
|
|
$p['abort'] = $p['abort'] || !$this->engine->delete_user_data($p['username']);
|
|
|
|
return $p;
|
|
}
|
|
}
|