1 files changed, 169 insertions, 0 deletions
diff --git a/plugins/SubMirror/actions/basemirror.php b/plugins/SubMirror/actions/basemirror.php
new file mode 100644
index 000000000..5be0699f0
--- /dev/null
+++ b/plugins/SubMirror/actions/basemirror.php
@@ -0,0 +1,169 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * 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/>.
+ *
+ * PHP version 5
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * Takes parameters:
+ *
+ *    - feed: a profile ID
+ *    - token: session token to prevent CSRF attacks
+ *    - ajax: boolean; whether to return Ajax or full-browser results
+ *
+ * Only works if the current user is logged in.
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+abstract class BaseMirrorAction extends Action
+{
+    var $user;
+    var $profile;
+
+    /**
+     * Check pre-requisites and instantiate attributes
+     *
+     * @param Array $args array of arguments (URL, GET, POST)
+     *
+     * @return boolean success flag
+     */
+
+    function prepare($args)
+    {
+        parent::prepare($args);
+        return $this->sharedBoilerplate();
+    }
+
+    protected function validateFeedUrl($url)
+    {
+        if (common_valid_http_url($url)) {
+            return $url;
+        } else {
+            $this->clientError(_m("Invalid feed URL."));
+        }
+    }
+
+    protected function validateProfile($id)
+    {
+        $id = intval($id);
+        $profile = Profile::staticGet('id', $id);
+        if ($profile && $profile->id != $this->user->id) {
+            return $profile;
+        }
+        // TRANS: Error message returned to user when setting up feed mirroring, but we were unable to resolve the given URL to a working feed.
+        $this->clientError(_m("Invalid profile for mirroring."));
+    }
+
+    /**
+     *
+     * @param string $url
+     * @return Profile
+     */
+    protected function profileForFeed($url)
+    {
+        $oprofile = Ostatus_profile::ensureProfileURL($url);
+        if ($oprofile->isGroup()) {
+            $this->clientError(_m("Can't mirror a StatusNet group at this time."));
+        }
+        $this->oprofile = $oprofile; // @fixme ugly side effect :D
+        return $oprofile->localProfile();
+    }
+
+    /**
+     * @fixme none of this belongs in end classes
+     * this stuff belongs in shared code!
+     */
+    function sharedBoilerplate()
+    {
+        // Only allow POST requests
+
+        if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+            $this->clientError(_('This action only accepts POST requests.'));
+            return false;
+        }
+
+        // CSRF protection
+
+        $token = $this->trimmed('token');
+
+        if (!$token || $token != common_session_token()) {
+            $this->clientError(_('There was a problem with your session token.'.
+                                 ' Try again, please.'));
+            return false;
+        }
+
+        // Only for logged-in users
+
+        $this->user = common_current_user();
+
+        if (empty($this->user)) {
+            $this->clientError(_('Not logged in.'));
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Handle request
+     *
+     * Does the subscription and returns results.
+     *
+     * @param Array $args unused.
+     *
+     * @return void
+     */
+
+    function handle($args)
+    {
+        // Throws exception on error
+        $this->saveMirror();
+
+        if ($this->boolean('ajax')) {
+            $this->startHTML('text/xml;charset=utf-8');
+            $this->elementStart('head');
+            $this->element('title', null, _('Subscribed'));
+            $this->elementEnd('head');
+            $this->elementStart('body');
+            $unsubscribe = new EditMirrorForm($this, $this->profile);
+            $unsubscribe->show();
+            $this->elementEnd('body');
+            $this->elementEnd('html');
+        } else {
+            $url = common_local_url('mirrorsettings');
+            common_redirect($url, 303);
+        }
+    }
+
+    abstract function saveMirror();
+}