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roundcubemail/plugins/enigma/lib/enigma_ui.php

1239 lines
44 KiB
PHP

<?php
/**
+-------------------------------------------------------------------------+
| User Interface for the Enigma Plugin |
| |
| Copyright (C) 2010-2015 The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
+-------------------------------------------------------------------------+
| Author: Aleksander Machniak <alec@alec.pl> |
+-------------------------------------------------------------------------+
*/
class enigma_ui
{
private $rc;
private $enigma;
private $home;
private $css_loaded;
private $js_loaded;
private $data;
private $keys_parts = array();
private $keys_bodies = array();
function __construct($enigma_plugin, $home='')
{
$this->enigma = $enigma_plugin;
$this->rc = $enigma_plugin->rc;
$this->home = $home; // we cannot use $enigma_plugin->home here
}
/**
* UI initialization and requests handlers.
*
* @param string Preferences section
*/
function init()
{
$this->add_js();
$action = rcube_utils::get_input_value('_a', rcube_utils::INPUT_GPC);
if ($this->rc->action == 'plugin.enigmakeys') {
switch ($action) {
case 'delete':
$this->key_delete();
break;
/*
case 'edit':
$this->key_edit();
break;
*/
case 'import':
$this->key_import();
break;
case 'export':
$this->key_export();
break;
case 'generate':
$this->key_generate();
break;
case 'create':
$this->key_create();
break;
case 'search':
case 'list':
$this->key_list();
break;
case 'info':
$this->key_info();
break;
}
$this->rc->output->add_handlers(array(
'keyslist' => array($this, 'tpl_keys_list'),
'keyframe' => array($this, 'tpl_key_frame'),
'countdisplay' => array($this, 'tpl_keys_rowcount'),
'searchform' => array($this->rc->output, 'search_form'),
));
$this->rc->output->set_pagetitle($this->enigma->gettext('enigmakeys'));
$this->rc->output->send('enigma.keys');
}
/*
// Preferences UI
else if ($this->rc->action == 'plugin.enigmacerts') {
$this->rc->output->add_handlers(array(
'keyslist' => array($this, 'tpl_certs_list'),
'keyframe' => array($this, 'tpl_cert_frame'),
'countdisplay' => array($this, 'tpl_certs_rowcount'),
'searchform' => array($this->rc->output, 'search_form'),
));
$this->rc->output->set_pagetitle($this->enigma->gettext('enigmacerts'));
$this->rc->output->send('enigma.certs');
}
*/
// Message composing UI
else if ($this->rc->action == 'compose') {
$this->compose_ui();
}
}
/**
* Adds CSS style file to the page header.
*/
function add_css()
{
if ($this->css_loaded)
return;
$skin_path = $this->enigma->local_skin_path();
if (is_file($this->home . "/$skin_path/enigma.css")) {
$this->enigma->include_stylesheet("$skin_path/enigma.css");
}
$this->css_loaded = true;
}
/**
* Adds javascript file to the page header.
*/
function add_js()
{
if ($this->js_loaded) {
return;
}
$this->enigma->include_script('enigma.js');
$this->js_loaded = true;
}
/**
* Initializes key password prompt
*
* @param enigma_error $status Error object with key info
* @param array $params Optional prompt parameters
*/
function password_prompt($status, $params = array())
{
$data = $status->getData('missing');
if (empty($data)) {
$data = $status->getData('bad');
}
$keyid = key($data);
$data = array(
'keyid' => $params['keyid'] ?: $keyid,
'user' => $data[$keyid]
);
// With GnuPG 2.1 user name may not be specified (e.g. on private
// key export), we'll get the key information and set the name appropriately
if ($keyid && $params['keyid'] && strpos($data['user'], $keyid) !== false) {
$key = $this->enigma->engine->get_key($params['keyid']);
if ($key && $key->name) {
$data['user'] = $key->name;
}
}
if (!empty($params)) {
$data = array_merge($params, $data);
}
if (preg_match('/^(send|plugin.enigmaimport|plugin.enigmakeys)$/', $this->rc->action)) {
$this->rc->output->command('enigma_password_request', $data);
}
else {
$this->rc->output->set_env('enigma_password_request', $data);
}
// add some labels to client
$this->rc->output->add_label('enigma.enterkeypasstitle', 'enigma.enterkeypass',
'save', 'cancel');
$this->add_css();
$this->add_js();
}
/**
* Template object for key info/edit frame.
*
* @param array Object attributes
*
* @return string HTML output
*/
function tpl_key_frame($attrib)
{
return $this->rc->output->frame($attrib, true);
}
/**
* Template object for list of keys.
*
* @param array Object attributes
*
* @return string HTML content
*/
function tpl_keys_list($attrib)
{
// add id to message list table if not specified
if (!strlen($attrib['id'])) {
$attrib['id'] = 'rcmenigmakeyslist';
}
// define list of cols to be displayed
$a_show_cols = array('name');
// create XHTML table
$out = $this->rc->table_output($attrib, array(), $a_show_cols, 'id');
// set client env
$this->rc->output->add_gui_object('keyslist', $attrib['id']);
$this->rc->output->include_script('list.js');
// add some labels to client
$this->rc->output->add_label('enigma.keyremoveconfirm', 'enigma.keyremoving',
'enigma.keyexportprompt', 'enigma.withprivkeys', 'enigma.onlypubkeys', 'enigma.exportkeys'
);
return $out;
}
/**
* Key listing (and searching) request handler
*/
private function key_list()
{
$this->enigma->load_engine();
$pagesize = $this->rc->config->get('pagesize', 100);
$page = max(intval(rcube_utils::get_input_value('_p', rcube_utils::INPUT_GPC)), 1);
$search = rcube_utils::get_input_value('_q', rcube_utils::INPUT_GPC);
// Get the list
$list = $this->enigma->engine->list_keys($search);
if ($list && ($list instanceof enigma_error))
$this->rc->output->show_message('enigma.keylisterror', 'error');
else if (empty($list))
$this->rc->output->show_message('enigma.nokeysfound', 'notice');
else if (is_array($list)) {
// Save the size
$listsize = count($list);
// Sort the list by key (user) name
usort($list, array('enigma_key', 'cmp'));
// Slice current page
$list = array_slice($list, ($page - 1) * $pagesize, $pagesize);
$size = count($list);
// Add rows
foreach ($list as $key) {
$this->rc->output->command('enigma_add_list_row', array(
'name' => rcube::Q($key->name),
'id' => $key->id,
'flags' => $key->is_private() ? 'p' : ''
));
}
}
$this->rc->output->set_env('rowcount', $size);
$this->rc->output->set_env('search_request', $search);
$this->rc->output->set_env('pagecount', ceil($listsize/$pagesize));
$this->rc->output->set_env('current_page', $page);
$this->rc->output->command('set_rowcount',
$this->get_rowcount_text($listsize, $size, $page));
$this->rc->output->send();
}
/**
* Template object for list records counter.
*
* @param array Object attributes
*
* @return string HTML output
*/
function tpl_keys_rowcount($attrib)
{
if (!$attrib['id'])
$attrib['id'] = 'rcmcountdisplay';
$this->rc->output->add_gui_object('countdisplay', $attrib['id']);
return html::span($attrib, $this->get_rowcount_text());
}
/**
* Returns text representation of list records counter
*/
private function get_rowcount_text($all=0, $curr_count=0, $page=1)
{
if (!$curr_count) {
$out = $this->enigma->gettext('nokeysfound');
}
else {
$pagesize = $this->rc->config->get('pagesize', 100);
$first = ($page - 1) * $pagesize;
$out = $this->enigma->gettext(array(
'name' => 'keysfromto',
'vars' => array(
'from' => $first + 1,
'to' => $first + $curr_count,
'count' => $all)
));
}
return $out;
}
/**
* Key information page handler
*/
private function key_info()
{
$this->enigma->load_engine();
$id = rcube_utils::get_input_value('_id', rcube_utils::INPUT_GET);
$res = $this->enigma->engine->get_key($id);
if ($res instanceof enigma_key) {
$this->data = $res;
}
else { // error
$this->rc->output->show_message('enigma.keyopenerror', 'error');
$this->rc->output->command('parent.enigma_loadframe');
$this->rc->output->send('iframe');
}
$this->rc->output->add_handlers(array(
'keyname' => array($this, 'tpl_key_name'),
'keydata' => array($this, 'tpl_key_data'),
));
$this->rc->output->set_pagetitle($this->enigma->gettext('keyinfo'));
$this->rc->output->send('enigma.keyinfo');
}
/**
* Template object for key name
*/
function tpl_key_name($attrib)
{
return rcube::Q($this->data->name);
}
/**
* Template object for key information page content
*/
function tpl_key_data($attrib)
{
$out = '';
$table = new html_table(array('cols' => 2));
// Key user ID
$table->add('title', $this->enigma->gettext('keyuserid'));
$table->add(null, rcube::Q($this->data->name));
// Key ID
$table->add('title', $this->enigma->gettext('keyid'));
$table->add(null, $this->data->subkeys[0]->get_short_id());
// Key type
$keytype = $this->data->get_type();
if ($keytype == enigma_key::TYPE_KEYPAIR) {
$type = $this->enigma->gettext('typekeypair');
}
else if ($keytype == enigma_key::TYPE_PUBLIC) {
$type = $this->enigma->gettext('typepublickey');
}
$table->add('title', $this->enigma->gettext('keytype'));
$table->add(null, $type);
// Key fingerprint
$table->add('title', $this->enigma->gettext('fingerprint'));
$table->add(null, $this->data->subkeys[0]->get_fingerprint());
$out .= html::tag('fieldset', null,
html::tag('legend', null,
$this->enigma->gettext('basicinfo')) . $table->show($attrib));
// Subkeys
$table = new html_table(array('cols' => 5, 'id' => 'enigmasubkeytable', 'class' => 'records-table'));
$table->add_header('id', $this->enigma->gettext('subkeyid'));
$table->add_header('algo', $this->enigma->gettext('subkeyalgo'));
$table->add_header('created', $this->enigma->gettext('subkeycreated'));
$table->add_header('expires', $this->enigma->gettext('subkeyexpires'));
$table->add_header('usage', $this->enigma->gettext('subkeyusage'));
$now = time();
$date_format = $this->rc->config->get('date_format', 'Y-m-d');
$usage_map = array(
enigma_key::CAN_ENCRYPT => $this->enigma->gettext('typeencrypt'),
enigma_key::CAN_SIGN => $this->enigma->gettext('typesign'),
enigma_key::CAN_CERTIFY => $this->enigma->gettext('typecert'),
enigma_key::CAN_AUTHENTICATE => $this->enigma->gettext('typeauth'),
);
foreach ($this->data->subkeys as $subkey) {
$algo = $subkey->get_algorithm();
if ($algo && $subkey->length) {
$algo .= ' (' . $subkey->length . ')';
}
$usage = array();
foreach ($usage_map as $key => $text) {
if ($subkey->usage & $key) {
$usage[] = $text;
}
}
$table->add('id', $subkey->get_short_id());
$table->add('algo', $algo);
$table->add('created', $subkey->created ? $this->rc->format_date($subkey->created, $date_format, false) : '');
$table->add('expires', $subkey->expires ? $this->rc->format_date($subkey->expires, $date_format, false) : $this->enigma->gettext('expiresnever'));
$table->add('usage', implode(',', $usage));
$table->set_row_attribs($subkey->revoked || ($subkey->expires && $subkey->expires < $now) ? 'deleted' : '');
}
$out .= html::tag('fieldset', null,
html::tag('legend', null,
$this->enigma->gettext('subkeys')) . $table->show());
// Additional user IDs
$table = new html_table(array('cols' => 2, 'id' => 'enigmausertable', 'class' => 'records-table'));
$table->add_header('id', $this->enigma->gettext('userid'));
$table->add_header('valid', $this->enigma->gettext('uservalid'));
foreach ($this->data->users as $user) {
$username = $user->name;
if ($user->comment) {
$username .= ' (' . $user->comment . ')';
}
$username .= ' <' . $user->email . '>';
$table->add('id', rcube::Q(trim($username)));
$table->add('valid', $this->enigma->gettext($user->valid ? 'valid' : 'unknown'));
$table->set_row_attribs($user->revoked || !$user->valid ? 'deleted' : '');
}
$out .= html::tag('fieldset', null,
html::tag('legend', null,
$this->enigma->gettext('userids')) . $table->show());
return $out;
}
/**
* Key(s) export handler
*/
private function key_export()
{
$keys = rcube_utils::get_input_value('_keys', rcube_utils::INPUT_POST);
$priv = rcube_utils::get_input_value('_priv', rcube_utils::INPUT_POST);
$engine = $this->enigma->load_engine();
$list = $keys == '*' ? $engine->list_keys() : explode(',', $keys);
if (is_array($list) && ($fp = fopen('php://memory', 'rw'))) {
$filename = 'export.pgp';
if (count($list) == 1) {
$filename = (is_object($list[0]) ? $list[0]->id : $list[0]) . '.pgp';
}
$status = null;
foreach ($list as $key) {
$keyid = is_object($key) ? $key->id : $key;
$status = $engine->export_key($keyid, $fp, (bool) $priv);
if ($status instanceof enigma_error) {
$code = $status->getCode();
if ($code == enigma_error::BADPASS) {
$this->password_prompt($status, array(
'input_keys' => $keys,
'input_priv' => 1,
'input_task' => 'settings',
'input_action' => 'plugin.enigmakeys',
'input_a' => 'export',
'action' => '?',
'iframe' => true,
'nolock' => true,
'keyid' => $keyid,
));
fclose($fp);
$this->rc->output->send('iframe');
}
}
}
// send downlaod headers
header('Content-Type: application/pgp-keys');
header('Content-Disposition: attachment; filename="' . $filename . '"');
rewind($fp);
while (!feof($fp)) {
echo fread($fp, 1024 * 1024);
}
fclose($fp);
}
exit;
}
/**
* Key import (page) handler
*/
private function key_import()
{
// Import process
if ($data = rcube_utils::get_input_value('_keys', rcube_utils::INPUT_POST)) {
$this->enigma->load_engine();
$this->enigma->engine->password_handler();
$result = $this->enigma->engine->import_key($data);
if (is_array($result)) {
if (rcube_utils::get_input_value('_generated', rcube_utils::INPUT_POST)) {
$this->rc->output->command('enigma_key_create_success');
$this->rc->output->show_message('enigma.keygeneratesuccess', 'confirmation');
}
else {
$this->rc->output->show_message('enigma.keysimportsuccess', 'confirmation',
array('new' => $result['imported'], 'old' => $result['unchanged']));
if ($result['imported'] && !empty($_POST['_refresh'])) {
$this->rc->output->command('enigma_list', 1, false);
}
}
}
else {
$this->rc->output->show_message('enigma.keysimportfailed', 'error');
}
$this->rc->output->send();
}
else if ($_FILES['_file']['tmp_name'] && is_uploaded_file($_FILES['_file']['tmp_name'])) {
$this->enigma->load_engine();
$result = $this->enigma->engine->import_key($_FILES['_file']['tmp_name'], true);
if (is_array($result)) {
// reload list if any keys has been added
if ($result['imported']) {
$this->rc->output->command('parent.enigma_list', 1);
}
else {
$this->rc->output->command('parent.enigma_loadframe');
}
$this->rc->output->show_message('enigma.keysimportsuccess', 'confirmation',
array('new' => $result['imported'], 'old' => $result['unchanged']));
}
else if ($result instanceof enigma_error && $result->getCode() == enigma_error::BADPASS) {
$this->password_prompt($result);
}
else {
$this->rc->output->show_message('enigma.keysimportfailed', 'error');
}
$this->rc->output->send('iframe');
}
else if ($err = $_FILES['_file']['error']) {
if ($err == UPLOAD_ERR_INI_SIZE || $err == UPLOAD_ERR_FORM_SIZE) {
$this->rc->output->show_message('filesizeerror', 'error',
array('size' => $this->rc->show_bytes(rcube_utils::max_upload_size())));
} else {
$this->rc->output->show_message('fileuploaderror', 'error');
}
$this->rc->output->send('iframe');
}
$this->rc->output->add_handlers(array(
'importform' => array($this, 'tpl_key_import_form'),
));
$this->rc->output->set_pagetitle($this->enigma->gettext('keyimport'));
$this->rc->output->send('enigma.keyimport');
}
/**
* Template object for key import (upload) form
*/
function tpl_key_import_form($attrib)
{
$attrib += array('id' => 'rcmKeyImportForm');
$upload = new html_inputfield(array('type' => 'file', 'name' => '_file',
'id' => 'rcmimportfile', 'size' => 30));
$search = new html_inputfield(array('type' => 'text', 'name' => '_search',
'id' => 'rcmimportsearch', 'size' => 30));
$upload_button = new html_inputfield(array(
'type' => 'button',
'value' => $this->rc->gettext('import'),
'class' => 'button',
'onclick' => "return rcmail.command('plugin.enigma-import','',this,event)",
));
$search_button = new html_inputfield(array(
'type' => 'button',
'value' => $this->rc->gettext('search'),
'class' => 'button',
'onclick' => "return rcmail.command('plugin.enigma-import-search','',this,event)",
));
$upload_form = html::div(null,
rcube::Q($this->enigma->gettext('keyimporttext'), 'show')
. html::br() . html::br() . $upload->show()
. html::br() . html::br() . $upload_button->show()
);
$search_form = html::div(null,
rcube::Q($this->enigma->gettext('keyimportsearchtext'), 'show')
. html::br() . html::br() . $search->show()
. html::br() . html::br() . $search_button->show()
);
$form = html::tag('fieldset', '', html::tag('legend', null, $this->enigma->gettext('keyimportlabel')) . $upload_form)
. html::tag('fieldset', '', html::tag('legend', null, $this->enigma->gettext('keyimportsearchlabel')) . $search_form);
$this->rc->output->add_label('selectimportfile', 'importwait', 'nopubkeyfor', 'nopubkeyforsender',
'encryptnoattachments','encryptedsendialog','searchpubkeyservers', 'importpubkeys',
'encryptpubkeysfound', 'search', 'close', 'import', 'keyid', 'keylength', 'keyexpired',
'keyrevoked', 'keyimportsuccess', 'keyservererror');
$this->rc->output->add_gui_object('importform', $attrib['id']);
$this->rc->output->include_script('publickey.js');
$out = $this->rc->output->form_tag(array(
'action' => $this->rc->url(array('action' => $this->rc->action, 'a' => 'import')),
'method' => 'post',
'enctype' => 'multipart/form-data') + $attrib,
$form
);
return $out;
}
/**
* Server-side key pair generation handler
*/
private function key_generate()
{
// Crypt_GPG does not support key generation for multiple identities
// It is also very slow (which is problematic because it may exceed
// request time limit) and requires entropy generator
// That's why we use only OpenPGP.js method of key generation
return;
$user = rcube_utils::get_input_value('_user', rcube_utils::INPUT_POST, true);
$pass = rcube_utils::get_input_value('_password', rcube_utils::INPUT_POST, true);
$size = (int) rcube_utils::get_input_value('_size', rcube_utils::INPUT_POST);
if ($size > 4096) {
$size = 4096;
}
$ident = rcube_mime::decode_address_list($user, 1, false);
if (empty($ident)) {
$this->rc->output->show_message('enigma.keygenerateerror', 'error');
$this->rc->output->send();
}
$this->enigma->load_engine();
$result = $this->enigma->engine->generate_key(array(
'user' => $ident[1]['name'],
'email' => $ident[1]['mailto'],
'password' => $pass,
'size' => $size,
));
if ($result instanceof enigma_key) {
$this->rc->output->command('enigma_key_create_success');
$this->rc->output->show_message('enigma.keygeneratesuccess', 'confirmation');
}
else {
$this->rc->output->show_message('enigma.keygenerateerror', 'error');
}
$this->rc->output->send();
}
/**
* Key generation page handler
*/
private function key_create()
{
$this->enigma->include_script('openpgp.min.js');
$this->rc->output->add_handlers(array(
'keyform' => array($this, 'tpl_key_create_form'),
));
$this->rc->output->set_pagetitle($this->enigma->gettext('keygenerate'));
$this->rc->output->send('enigma.keycreate');
}
/**
* Template object for key generation form
*/
function tpl_key_create_form($attrib)
{
$attrib += array('id' => 'rcmKeyCreateForm');
$table = new html_table(array('cols' => 2));
// get user's identities
$identities = $this->rc->user->list_identities(null, true);
$checkbox = new html_checkbox(array('name' => 'identity[]'));
foreach ((array) $identities as $idx => $ident) {
$name = empty($ident['name']) ? ($ident['email']) : $ident['ident'];
$identities[$idx] = html::label(null, $checkbox->show($name, array('value' => $name)) . rcube::Q($name));
}
$table->add('title', html::label('key-name', rcube::Q($this->enigma->gettext('newkeyident'))));
$table->add(null, implode($identities, "\n"));
// Key size
$select = new html_select(array('name' => 'size', 'id' => 'key-size'));
$select->add($this->enigma->gettext('key2048'), '2048');
$select->add($this->enigma->gettext('key4096'), '4096');
$table->add('title', html::label('key-size', rcube::Q($this->enigma->gettext('newkeysize'))));
$table->add(null, $select->show());
// Password and confirm password
$table->add('title', html::label('key-pass', rcube::Q($this->enigma->gettext('newkeypass'))));
$table->add(null, rcube_output::get_edit_field('password', '',
array('id' => 'key-pass', 'size' => $attrib['size'], 'required' => true), 'password'));
$table->add('title', html::label('key-pass-confirm', rcube::Q($this->enigma->gettext('newkeypassconfirm'))));
$table->add(null, rcube_output::get_edit_field('password-confirm', '',
array('id' => 'key-pass-confirm', 'size' => $attrib['size'], 'required' => true), 'password'));
$this->rc->output->add_gui_object('keyform', $attrib['id']);
$this->rc->output->add_label('enigma.keygenerating', 'enigma.formerror',
'enigma.passwordsdiffer', 'enigma.keygenerateerror', 'enigma.noidentselected',
'enigma.keygennosupport');
return $this->rc->output->form_tag(array(), $table->show($attrib));
}
/**
* Key deleting
*/
private function key_delete()
{
$keys = rcube_utils::get_input_value('_keys', rcube_utils::INPUT_POST);
$engine = $this->enigma->load_engine();
foreach ((array)$keys as $key) {
$res = $engine->delete_key($key);
if ($res !== true) {
$this->rc->output->show_message('enigma.keyremoveerror', 'error');
$this->rc->output->command('enigma_list');
$this->rc->output->send();
}
}
$this->rc->output->command('enigma_list');
$this->rc->output->show_message('enigma.keyremovesuccess', 'confirmation');
$this->rc->output->send();
}
/**
* Init compose UI (add task button and the menu)
*/
private function compose_ui()
{
$this->add_css();
// Options menu button
$this->enigma->add_button(array(
'type' => 'link',
'command' => 'plugin.enigma',
'onclick' => "rcmail.command('menu-open', 'enigmamenu', event.target, event)",
'class' => 'button enigma',
'title' => 'encryptionoptions',
'label' => 'encryption',
'domain' => $this->enigma->ID,
'width' => 32,
'height' => 32,
'aria-owns' => 'enigmamenu',
'aria-haspopup' => 'true',
'aria-expanded' => 'false',
), 'toolbar');
$locks = (array) $this->rc->config->get('enigma_options_lock');
$menu = new html_table(array('cols' => 2));
$chbox = new html_checkbox(array('value' => 1));
$menu->add(null, html::label(array('for' => 'enigmasignopt'),
rcube::Q($this->enigma->gettext('signmsg'))));
$menu->add(null, $chbox->show($this->rc->config->get('enigma_sign_all') ? 1 : 0,
array(
'name' => '_enigma_sign',
'id' => 'enigmasignopt',
'disabled' => in_array('sign', $locks),
)));
$menu->add(null, html::label(array('for' => 'enigmaencryptopt'),
rcube::Q($this->enigma->gettext('encryptmsg'))));
$menu->add(null, $chbox->show($this->rc->config->get('enigma_encrypt_all') ? 1 : 0,
array(
'name' => '_enigma_encrypt',
'id' => 'enigmaencryptopt',
'disabled' => in_array('encrypt', $locks),
)));
$menu->add(null, html::label(array('for' => 'enigmaattachpubkeyopt'),
rcube::Q($this->enigma->gettext('attachpubkeymsg'))));
$menu->add(null, $chbox->show($this->rc->config->get('enigma_attach_pubkey') ? 1 : 0,
array(
'name' => '_enigma_attachpubkey',
'id' => 'enigmaattachpubkeyopt',
'disabled' => in_array('pubkey', $locks),
)));
$menu = html::div(array('id' => 'enigmamenu', 'class' => 'popupmenu'), $menu->show());
// Options menu contents
$this->rc->output->add_footer($menu);
}
/**
* Handler for message_body_prefix hook.
* Called for every displayed (content) part of the message.
* Adds infobox about signature verification and/or decryption
* status above the body.
*
* @param array Original parameters
*
* @return array Modified parameters
*/
function status_message($p)
{
// skip: not a message part
if ($p['part'] instanceof rcube_message) {
return $p;
}
// skip: message has no signed/encoded content
if (!$this->enigma->engine) {
return $p;
}
$engine = $this->enigma->engine;
$part_id = $p['part']->mime_id;
$messages = array();
// Decryption status
if (($found = $this->find_part_id($part_id, $engine->decryptions)) !== null
&& ($status = $engine->decryptions[$found])
) {
$attach_scripts = true;
// show the message only once
unset($engine->decryptions[$found]);
// display status info
$attrib['id'] = 'enigma-message';
if ($status instanceof enigma_error) {
$attrib['class'] = 'enigmaerror';
$code = $status->getCode();
if ($code == enigma_error::KEYNOTFOUND) {
$msg = rcube::Q(str_replace('$keyid', enigma_key::format_id($status->getData('id')),
$this->enigma->gettext('decryptnokey')));
}
else if ($code == enigma_error::BADPASS) {
$missing = $status->getData('missing');
$label = 'decrypt' . (!empty($missing) ? 'no' : 'bad') . 'pass';
$msg = rcube::Q($this->enigma->gettext($label));
$this->password_prompt($status);
}
else {
$msg = rcube::Q($this->enigma->gettext('decrypterror'));
}
}
else if ($status === enigma_engine::ENCRYPTED_PARTIALLY) {
$attrib['class'] = 'enigmawarning';
$msg = rcube::Q($this->enigma->gettext('decryptpartial'));
}
else {
$attrib['class'] = 'enigmanotice';
$msg = rcube::Q($this->enigma->gettext('decryptok'));
}
$attrib['msg'] = $msg;
$messages[] = $attrib;
}
// Signature verification status
if (($found = $this->find_part_id($part_id, $engine->signatures)) !== null
&& ($sig = $engine->signatures[$found])
) {
$attach_scripts = true;
// show the message only once
unset($engine->signatures[$found]);
// display status info
$attrib['id'] = 'enigma-message';
if ($sig instanceof enigma_signature) {
$sender = ($sig->name ? $sig->name . ' ' : '') . '<' . $sig->email . '>';
if ($sig->valid === enigma_error::UNVERIFIED) {
$attrib['class'] = 'enigmawarning';
$msg = str_replace('$sender', $sender, $this->enigma->gettext('sigunverified'));
$msg = str_replace('$keyid', $sig->id, $msg);
$msg = rcube::Q($msg);
}
else if ($sig->valid) {
$attrib['class'] = $sig->partial ? 'enigmawarning' : 'enigmanotice';
$label = 'sigvalid' . ($sig->partial ? 'partial' : '');
$msg = rcube::Q(str_replace('$sender', $sender, $this->enigma->gettext($label)));
}
else {
$attrib['class'] = 'enigmawarning';
$msg = rcube::Q(str_replace('$sender', $sender, $this->enigma->gettext('siginvalid')));
}
}
else if ($sig && $sig->getCode() == enigma_error::KEYNOTFOUND) {
$attrib['class'] = 'enigmawarning';
$msg = rcube::Q(str_replace('$keyid', enigma_key::format_id($sig->getData('id')),
$this->enigma->gettext('signokey')));
}
else {
$attrib['class'] = 'enigmaerror';
$msg = rcube::Q($this->enigma->gettext('sigerror'));
}
/*
$msg .= '&nbsp;' . html::a(array('href' => "#sigdetails",
'onclick' => rcmail_output::JS_OBJECT_NAME.".command('enigma-sig-details')"),
rcube::Q($this->enigma->gettext('showdetails')));
*/
// test
// $msg .= '<br /><pre>'.$sig->body.'</pre>';
$attrib['msg'] = $msg;
$messages[] = $attrib;
}
if ($count = count($messages)) {
if ($count == 2 && $messages[0]['class'] == $messages[1]['class']) {
$p['prefix'] .= html::div($messages[0], $messages[0]['msg'] . ' ' . $messages[1]['msg']);
}
else {
foreach ($messages as $msg) {
$p['prefix'] .= html::div($msg, $msg['msg']);
}
}
}
if ($attach_scripts) {
// add css and js script
$this->add_css();
$this->add_js();
}
return $p;
}
/**
* Handler for message_load hook.
* Check message bodies and attachments for keys/certs.
*/
function message_load($p)
{
$engine = $this->enigma->load_engine();
// handle keys/certs in attachments
foreach ((array) $p['object']->attachments as $attachment) {
if ($engine->is_keys_part($attachment)) {
$this->keys_parts[] = $attachment->mime_id;
}
}
// the same with message bodies
foreach ((array) $p['object']->parts as $part) {
if ($engine->is_keys_part($part)) {
$this->keys_parts[] = $part->mime_id;
$this->keys_bodies[] = $part->mime_id;
}
}
// @TODO: inline PGP keys
if ($this->keys_parts) {
$this->enigma->add_texts('localization');
}
return $p;
}
/**
* Handler for template_object_messagebody hook.
* This callback function adds a box below the message content
* if there is a key/cert attachment available
*/
function message_output($p)
{
foreach ($this->keys_parts as $part) {
// remove part's body
if (in_array($part, $this->keys_bodies)) {
$p['content'] = '';
}
// add box below message body
$p['content'] .= html::p(array('class' => 'enigmaattachment'),
html::a(array(
'href' => "#",
'onclick' => "return ".rcmail_output::JS_OBJECT_NAME.".enigma_import_attachment('".rcube::JQ($part)."')",
'title' => $this->enigma->gettext('keyattimport')),
html::span(null, $this->enigma->gettext('keyattfound'))));
$attach_scripts = true;
}
if ($attach_scripts) {
// add css and js script
$this->add_css();
$this->add_js();
}
return $p;
}
/**
* Handle message_ready hook (encryption/signing/attach public key)
*/
function message_ready($p)
{
$savedraft = !empty($_POST['_draft']) && empty($_GET['_saveonly']);
$sign_enable = (bool) rcube_utils::get_input_value('_enigma_sign', rcube_utils::INPUT_POST);
$encrypt_enable = (bool) rcube_utils::get_input_value('_enigma_encrypt', rcube_utils::INPUT_POST);
$pubkey_enable = (bool) rcube_utils::get_input_value('_enigma_attachpubkey', rcube_utils::INPUT_POST);
$locks = (array) $this->rc->config->get('enigma_options_lock');
if (in_array('sign', $locks)) {
$sign_enable = (bool) $this->rc->config->get('enigma_sign_all');
}
if (in_array('encrypt', $locks)) {
$encrypt_enable = (bool) $this->rc->config->get('enigma_encrypt_all');
}
if (in_array('pubkey', $locks)) {
$pubkey_enable = (bool) $this->rc->config->get('enigma_attach_pubkey');
}
if (!$savedraft && $pubkey_enable) {
$engine = $this->enigma->load_engine();
$engine->attach_public_key($p['message']);
}
if ($encrypt_enable) {
$engine = $this->enigma->load_engine();
$mode = !$savedraft && $sign_enable ? enigma_engine::ENCRYPT_MODE_SIGN : null;
$status = $engine->encrypt_message($p['message'], $mode, $savedraft);
$mode = 'encrypt';
}
else if (!$savedraft && $sign_enable) {
$engine = $this->enigma->load_engine();
$status = $engine->sign_message($p['message'], enigma_engine::SIGN_MODE_MIME);
$mode = 'sign';
}
if ($mode && ($status instanceof enigma_error)) {
$code = $status->getCode();
if ($code == enigma_error::KEYNOTFOUND) {
$vars = array('email' => $status->getData('missing'));
$msg = 'enigma.' . $mode . 'nokey';
}
else if ($code == enigma_error::BADPASS) {
$this->password_prompt($status);
}
else {
$msg = 'enigma.' . $mode . 'error';
}
if ($msg) {
if ($vars && $vars['email']) {
$this->rc->output->command('enigma_key_not_found', array(
'email' => $vars['email'],
'text' => $this->rc->gettext(array('name' => $msg, 'vars' => $vars)),
'title' => $this->enigma->gettext('keynotfound'),
'button' => $this->enigma->gettext('findkey'),
));
}
else {
$this->rc->output->show_message($msg, 'error', $vars);
}
}
$this->rc->output->send('iframe');
}
return $p;
}
/**
* Handler for message_compose_body hook
* Display error when the message cannot be encrypted
* and provide a way to try again with a password.
*/
function message_compose($p)
{
$engine = $this->enigma->load_engine();
// skip: message has no signed/encoded content
if (!$this->enigma->engine) {
return $p;
}
$engine = $this->enigma->engine;
$locks = (array) $this->rc->config->get('enigma_options_lock');
// Decryption status
foreach ($engine->decryptions as $status) {
if ($status instanceof enigma_error) {
$code = $status->getCode();
if ($code == enigma_error::KEYNOTFOUND) {
$msg = rcube::Q(str_replace('$keyid', enigma_key::format_id($status->getData('id')),
$this->enigma->gettext('decryptnokey')));
}
else if ($code == enigma_error::BADPASS) {
$this->password_prompt($status, array('compose-init' => true));
return $p;
}
else {
$msg = rcube::Q($this->enigma->gettext('decrypterror'));
}
}
}
if ($msg) {
$this->rc->output->show_message($msg, 'error');
}
// Check sign/ecrypt options for signed/encrypted drafts
if (!in_array('encrypt', $locks)) {
$this->rc->output->set_env('enigma_force_encrypt', !empty($engine->decryptions));
}
if (!in_array('sign', $locks)) {
$this->rc->output->set_env('enigma_force_sign', !empty($engine->signatures));
}
return $p;
}
/**
* Handler for keys/certs import request action
*/
function import_file()
{
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
$mime_id = rcube_utils::get_input_value('_part', rcube_utils::INPUT_POST);
$storage = $this->rc->get_storage();
$engine = $this->enigma->load_engine();
if ($uid && $mime_id) {
// Note: we get the attachment body via rcube_message class
// to support keys inside encrypted messages (#5285)
$message = new rcube_message($uid, $mbox);
// Check if we don't need to ask for password again
foreach ($engine->decryptions as $status) {
if ($status instanceof enigma_error) {
if ($status->getCode() == enigma_error::BADPASS) {
$this->password_prompt($status, array(
'input_uid' => $uid,
'input_mbox' => $mbox,
'input_part' => $mime_id,
'input_task' => 'mail',
'input_action' => 'plugin.enigmaimport',
'action' => '?',
'iframe' => true,
));
$this->rc->output->send($this->rc->output->type == 'html' ? 'iframe' : null);
return;
}
}
}
if ($engine->is_keys_part($message->mime_parts[$mime_id])) {
$part = $message->get_part_body($mime_id);
}
}
if ($part && is_array($result = $engine->import_key($part))) {
$this->rc->output->show_message('enigma.keysimportsuccess', 'confirmation',
array('new' => $result['imported'], 'old' => $result['unchanged']));
}
else {
$this->rc->output->show_message('enigma.keysimportfailed', 'error');
}
$this->rc->output->send($this->rc->output->type == 'html' ? 'iframe' : null);
}
/**
* Check if the part or its parent exists in the array
* of decryptions/signatures. Returns found ID.
*/
private function find_part_id($part_id, $data)
{
$ids = explode('.', $part_id);
$i = 0;
$count = count($ids);
while ($i < $count && strlen($part = implode('.', array_slice($ids, 0, ++$i)))) {
if (array_key_exists($part, $data)) {
return $part;
}
}
}
}