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gnu-social/lib/adminpanelaction.php

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PHP
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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Superclass for admin panel actions
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category UI
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
/**
* superclass for admin panel actions
*
* Common code for all admin panel actions.
*
* @category UI
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*
* @todo Find some commonalities with SettingsAction and combine
*/
class AdminPanelAction extends Action
{
var $success = true;
var $msg = null;
/**
* Prepare for the action
*
* We check to see that the user is logged in, has
* authenticated in this session, and has the right
* to configure the site.
*
* @param array $args Array of arguments from Web driver
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
// User must be logged in.
if (!common_logged_in()) {
$this->clientError(_('Not logged in.'));
return false;
}
$user = common_current_user();
// ...because they're logged in
assert(!empty($user));
// It must be a "real" login, not saved cookie login
if (!common_is_real_login()) {
// Cookie theft is too easy; we require automatic
// logins to re-authenticate before admining the site
common_set_returnto($this->selfUrl());
if (Event::handle('RedirectToLogin', array($this, $user))) {
common_redirect(common_local_url('login'), 303);
}
}
// User must have the right to change admin settings
if (!$user->hasRight(Right::CONFIGURESITE)) {
$this->clientError(_('You cannot make changes to this site.'));
return false;
}
// This panel must be enabled
$name = $this->trimmed('action');
$name = mb_substr($name, 0, -10);
if (!self::canAdmin($name)) {
$this->clientError(_('Changes to that panel are not allowed.'), 403);
return false;
}
return true;
}
/**
* handle the action
*
* Check session token and try to save the settings if this is a
* POST. Otherwise, show the form.
*
* @param array $args unused.
*
* @return void
*/
function handle($args)
{
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$this->checkSessionToken();
try {
$this->saveSettings();
// Reload settings
Config::loadSettings();
$this->success = true;
$this->msg = _('Settings saved.');
} catch (Exception $e) {
$this->success = false;
$this->msg = $e->getMessage();
}
}
$this->showPage();
}
/**
* Show tabset for this page
*
* Uses the AdminPanelNav widget
*
* @return void
* @see AdminPanelNav
*/
function showLocalNav()
{
$nav = new AdminPanelNav($this);
$nav->show();
}
/**
* Show the content section of the page
*
* Here, we show the admin panel's form.
*
* @return void.
*/
function showContent()
{
$this->showForm();
}
/**
* Show content block. Overrided just to add a special class
* to the content div to allow styling.
*
* @return nothing
*/
function showContentBlock()
{
$this->elementStart('div', array('id' => 'content', 'class' => 'admin'));
$this->showPageTitle();
$this->showPageNoticeBlock();
$this->elementStart('div', array('id' => 'content_inner'));
// show the actual content (forms, lists, whatever)
$this->showContent();
$this->elementEnd('div');
$this->elementEnd('div');
}
/**
* There is no data for aside, so, we don't output
*
* @return nothing
*/
function showAside()
{
}
/**
* show human-readable instructions for the page, or
* a success/failure on save.
*
* @return void
*/
function showPageNotice()
{
if ($this->msg) {
$this->element('div', ($this->success) ? 'success' : 'error',
$this->msg);
} else {
$inst = $this->getInstructions();
$output = common_markup_to_html($inst);
$this->elementStart('div', 'instructions');
$this->raw($output);
$this->elementEnd('div');
}
}
/**
* Show the admin panel form
*
* Sub-classes should overload this.
*
* @return void
*/
function showForm()
{
$this->clientError(_('showForm() not implemented.'));
return;
}
/**
* Instructions for using this form.
*
* String with instructions for using the form.
*
* Subclasses should overload this.
*
* @return void
*/
function getInstructions()
{
return '';
}
/**
* Save settings from the form
*
* Validate and save the settings from the user.
*
* @return void
*/
function saveSettings()
{
$this->clientError(_('saveSettings() not implemented.'));
return;
}
/**
* Delete a design setting
*
* // XXX: Maybe this should go in Design? --Z
*
* @return mixed $result false if something didn't work
*/
function deleteSetting($section, $setting)
{
$config = new Config();
$config->section = $section;
$config->setting = $setting;
if ($config->find(true)) {
$result = $config->delete();
if (!$result) {
common_log_db_error($config, 'DELETE', __FILE__);
$this->clientError(_("Unable to delete design setting."));
return null;
}
}
return $result;
}
function canAdmin($name)
{
$isOK = false;
if (Event::handle('AdminPanelCheck', array($name, &$isOK))) {
$isOK = in_array($name, common_config('admin', 'panels'));
}
return $isOK;
}
}
/**
* Menu for public group of actions
*
* @category Output
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*
* @see Widget
*/
class AdminPanelNav extends Widget
{
var $action = null;
/**
* Construction
*
* @param Action $action current action, used for output
*/
function __construct($action=null)
{
parent::__construct($action);
$this->action = $action;
}
/**
* Show the menu
*
* @return void
*/
function show()
{
$action_name = $this->action->trimmed('action');
$this->action->elementStart('ul', array('class' => 'nav'));
if (Event::handle('StartAdminPanelNav', array($this))) {
if (AdminPanelAction::canAdmin('site')) {
$this->out->menuItem(common_local_url('siteadminpanel'), _('Site'),
_('Basic site configuration'), $action_name == 'siteadminpanel', 'nav_site_admin_panel');
}
if (AdminPanelAction::canAdmin('design')) {
$this->out->menuItem(common_local_url('designadminpanel'), _('Design'),
_('Design configuration'), $action_name == 'designadminpanel', 'nav_design_admin_panel');
}
if (AdminPanelAction::canAdmin('user')) {
$this->out->menuItem(common_local_url('useradminpanel'), _('User'),
_('User configuration'), $action_name == 'useradminpanel', 'nav_design_admin_panel');
}
if (AdminPanelAction::canAdmin('access')) {
$this->out->menuItem(common_local_url('accessadminpanel'), _('Access'),
_('Access configuration'), $action_name == 'accessadminpanel', 'nav_design_admin_panel');
}
if (AdminPanelAction::canAdmin('paths')) {
$this->out->menuItem(common_local_url('pathsadminpanel'), _('Paths'),
_('Paths configuration'), $action_name == 'pathsadminpanel', 'nav_design_admin_panel');
}
if (AdminPanelAction::canAdmin('sessions')) {
$this->out->menuItem(common_local_url('sessionsadminpanel'), _('Sessions'),
_('Sessions configuration'), $action_name == 'sessionsadminpanel', 'nav_design_admin_panel');
}
Event::handle('EndAdminPanelNav', array($this));
}
$this->action->elementEnd('ul');
}
}
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