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roundcubemail/plugins/help/help.php

192 lines
6.1 KiB
PHP

<?php
/**
* Roundcube Help Plugin
*
* @author Aleksander 'A.L.E.C' Machniak
* @author Thomas Bruederli <thomas@roundcube.net>
* @license GNU GPLv3+
*
* Configuration (see config.inc.php.dist)
*
**/
class help extends rcube_plugin
{
// all task excluding 'login' and 'logout'
public $task = '?(?!login|logout).*';
// we've got no ajax handlers
public $noajax = true;
function init()
{
$this->load_config();
$this->add_texts('localization/', false);
// register task
$this->register_task('help');
// register actions
$this->register_action('index', array($this, 'action'));
$this->register_action('about', array($this, 'action'));
$this->register_action('license', array($this, 'action'));
$this->add_hook('startup', array($this, 'startup'));
$this->add_hook('error_page', array($this, 'error_page'));
}
function startup($args)
{
$rcmail = rcmail::get_instance();
if (!$rcmail->output->framed) {
// add taskbar button
$this->add_button(array(
'command' => 'help',
'class' => 'button-help',
'classsel' => 'button-help button-selected',
'innerclass' => 'button-inner',
'label' => 'help.help',
'type' => 'link',
), 'taskbar');
$this->include_script('help.js');
$rcmail->output->set_env('help_open_extwin', $rcmail->config->get('help_open_extwin', false), true);
}
// add style for taskbar button (must be here) and Help UI
$this->include_stylesheet($this->local_skin_path() . '/help.css', true);
}
function action()
{
$rcmail = rcmail::get_instance();
if ($rcmail->action == 'about') {
$rcmail->output->set_pagetitle($this->gettext('about'));
}
else if ($rcmail->action == 'license') {
$rcmail->output->set_pagetitle($this->gettext('license'));
}
else {
$rcmail->output->set_pagetitle($this->gettext('help'));
}
// register UI objects
$rcmail->output->add_handlers(array(
'contentframe' => array($this, 'content_frame'),
'helpcontent' => array($this, 'help_content'),
'tablink' => array($this, 'tablink'),
));
$rcmail->output->send(!empty($_GET['_content']) ? 'help.content' : 'help.help');
}
function help_content($attrib)
{
$rcmail = rcmail::get_instance();
// $rcmail->output->set_env('content', $content);
if (!empty($_GET['_content'])) {
if ($rcmail->action == 'about') {
return file_get_contents($this->home . '/content/about.html');
}
else if ($rcmail->action == 'license') {
return file_get_contents($this->home . '/content/license.html');
}
}
}
function tablink($attrib)
{
$rcmail = rcmail::get_instance();
$attrib['name'] = 'helplink' . $attrib['action'];
$attrib['href'] = $rcmail->url(array('_action' => $attrib['action'], '_extwin' => !empty($_REQUEST['_extwin']) ? 1 : null));
$attrib['rel'] = $attrib['action'];
// title might be already translated here, so revert to it's initial value
// so button() will translate it correctly
$attrib['title'] = $attrib['label'];
$attrib['onclick'] = sprintf("return show_help_content('%s', event)", $attrib['action']);
return $rcmail->output->button($attrib);
}
function content_frame($attrib)
{
$rcmail = rcmail::get_instance();
$content = $this->help_metadata();
$src = $content[$rcmail->action] ?: $content['index'];
$rcmail->output->set_env('help_links', $content);
return $rcmail->output->frame($attrib, true);
}
function help_metadata()
{
$rcmail = rcmail::get_instance();
$content = array();
// About
if (is_readable($this->home . '/content/about.html')) {
$content['about'] = 'self';
}
else {
$default = $rcmail->url(array('_task' => 'settings', '_action' => 'about', '_framed' => 1));
$content['about'] = $rcmail->config->get('help_about_url', $default);
$content['about'] = $this->resolve_language($content['about']);
}
// License
if (is_readable($this->home . '/content/license.html')) {
$content['license'] = 'self';
}
else {
$content['license'] = $rcmail->config->get('help_license_url', 'http://www.gnu.org/licenses/gpl-3.0-standalone.html');
$content['license'] = $this->resolve_language($content['license']);
}
// Help Index
$src = $rcmail->config->get('help_source', 'http://docs.roundcube.net/doc/help/1.1/%l/');
$index_map = $rcmail->config->get('help_index_map', array());
// resolve task/action for deep linking
$rel = $_REQUEST['_rel'];
list($task, $action) = explode('/', $rel);
if ($add = $index_map[$rel]) {
$src .= $add;
}
else if ($add = $index_map[$task]) {
$src .= $add;
}
$content['index'] = $this->resolve_language($src);
return $content;
}
function error_page($args)
{
$rcmail = rcmail::get_instance();
if ($args['code'] == 403 && $rcmail->request_status == rcube::REQUEST_ERROR_URL && ($url = $rcmail->config->get('help_csrf_info'))) {
$args['text'] .= '<p>' . html::a(array('href' => $url, 'target' => '_blank'), $this->gettext('csrfinfo')) . '</p>';
}
return $args;
}
private function resolve_language($path)
{
// resolve language placeholder
$rcmail = rcmail::get_instance();
$langmap = $rcmail->config->get('help_language_map', array('*' => 'en_US'));
$lang = $langmap[$_SESSION['language']] ?: $langmap['*'];
return str_replace('%l', $lang, $path);
}
}