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-rw-r--r--lib/adminpanelaction.php206
1 files changed, 206 insertions, 0 deletions
diff --git a/lib/adminpanelaction.php b/lib/adminpanelaction.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;
+ }
+
+ $user = common_current_user();
+
+ // It must be a "real" login, not saved cookie login
+
+ if (!common_is_real_login()) {
+ // Cookie theft is too easy; we require automatic
+ // logins to re-authenticate before admining the site
+ common_set_returnto($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
+
+ $user = common_current_user();
+
+ if (!$user->hasRight(Right::CONFIGURESITE)) {
+ $this->clientError(_('You cannot make changes to this site.'));
+ return;
+ }
+
+ 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();
+
+ $this->success = true;
+ $this->msg = _('Settings saved.');
+ } catch (Exception $e) {
+ $this->success = false;
+ $this->msg = $e->getMessage();
+ }
+ }
+ $this->showPage();
+ }
+
+ /**
+ * Show the content section of the page
+ *
+ * Here, we show the admin panel's form.
+ *
+ * @return void.
+ */
+
+ function showContent()
+ {
+ $this->showForm();
+ }
+
+ /**
+ * show human-readable instructions for the page, or
+ * a success/failure on save.
+ *
+ * @return void
+ */
+
+ function showPageNotice()
+ {
+ if ($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;
+ }
+}