1 files changed, 122 insertions, 0 deletions
diff --git a/lib/apioauth.php b/lib/apioauth.php
new file mode 100644
index 000000000..4cb8a6775
--- /dev/null
+++ b/lib/apioauth.php
@@ -0,0 +1,122 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Base action for OAuth API endpoints
+ *
+ * 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  API
+ * @package   StatusNet
+ * @author    Zach Copley <zach@status.net>
+ * @copyright 2010 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);
+}
+
+require_once INSTALLDIR . '/lib/apioauthstore.php';
+
+/**
+ * Base action for API OAuth enpoints.  Clean up the
+ * the request, and possibly some other common things
+ * here.
+ *
+ * @category API
+ * @package  StatusNet
+ * @author   Zach Copley <zach@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/
+ */
+
+class ApiOauthAction extends Action
+{
+    /**
+     * Is this a read-only action?
+     *
+     * @return boolean false
+     */
+
+    function isReadOnly($args)
+    {
+        return false;
+    }
+
+    function prepare($args)
+    {
+        parent::prepare($args);
+        return true;
+    }
+
+    /**
+     * Handle input, produce output
+     *
+     * Switches on request method; either shows the form or handles its input.
+     *
+     * @param array $args $_REQUEST data
+     *
+     * @return void
+     */
+
+    function handle($args)
+    {
+        parent::handle($args);
+        self::cleanRequest();
+    }
+
+    static function cleanRequest()
+    {
+        // kill evil effects of magical slashing
+
+        if (get_magic_quotes_gpc() == 1) {
+            $_POST = array_map('stripslashes', $_POST);
+            $_GET = array_map('stripslashes', $_GET);
+        }
+
+        // strip out the p param added in index.php
+
+        // XXX: should we strip anything else?  Or alternatively
+        // only allow a known list of params?
+
+        unset($_GET['p']);
+        unset($_POST['p']);
+    }
+
+    function getCallback($url, $params)
+    {
+        foreach ($params as $k => $v) {
+            $url = $this->appendQueryVar($url,
+                                         OAuthUtil::urlencode_rfc3986($k),
+                                         OAuthUtil::urlencode_rfc3986($v));
+        }
+
+        return $url;
+    }
+
+    function appendQueryVar($url, $k, $v) {
+        $url = preg_replace('/(.*)(\?|&)' . $k . '=[^&]+?(&)(.*)/i', '$1$2$4', $url . '&');
+        $url = substr($url, 0, -1);
+        if (strpos($url, '?') === false) {
+            return ($url . '?' . $k . '=' . $v);
+        } else {
+            return ($url . '&' . $k . '=' . $v);
+        }
+    }
+
+}