initial support for geourl.org

plugins/GeoURLPlugin.php

@@ -0,0 +1,119 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Plugin to add ICBM metadata to HTML pages and report data to GeoURL.org
+ *
+ * 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  Action
+ * @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);
+}
+
+/**
+ * Plugin to add ICBM metadata to HTML pages and report data to GeoURL.org
+ *
+ * Adds metadata to notice and profile pages that geourl.org and others
+ * understand. Also, pings geourl.org when a new notice is saved or
+ * a profile is changed.
+ *
+ * @category Plugin
+ * @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/
+ *
+ * @seeAlso  Location
+ */
+
+class GeoURLPlugin extends Plugin
+{
+    public $ping = 'http://geourl.org/ping/';
+
+    /**
+     * Add extra <meta> headers for certain pages that geourl.org understands
+     *
+     * @param Action $action page being shown
+     *
+     * @return boolean event handler flag
+     */
+
+    function onEndShowHeadElements($action)
+    {
+        $name = $action->trimmed('action');
+
+        $location = null;
+
+        if ($name == 'showstream') {
+            $profile = $action->profile;
+            if (!empty($profile) && !empty($profile->lat) && !empty($profile->lon)) {
+                $location = $profile->lat . ', ' . $profile->lon;
+            }
+        } else if ($name == 'shownotice') {
+            $notice = $action->profile;
+            if (!empty($notice) && !empty($notice->lat) && !empty($notice->lon)) {
+                $location = $notice->lat . ', ' . $notice->lon;
+            }
+        }
+
+        if (!empty($location)) {
+            $action->element('meta', array('name' => 'ICBM',
+                                           'content' => $location));
+            $action->element('meta', array('name' => 'DC.title',
+                                           'content' => $action->title()));
+        }
+
+        return true;
+    }
+
+    /**
+     * Report local notices to GeoURL.org when they're created
+     *
+     * @param Notice &$notice queued notice
+     *
+     * @return boolean event handler flag
+     */
+
+    function onHandleQueuedNotice(&$notice)
+    {
+        if ($notice->is_local == 1) {
+
+            $request = HTTPClient::start();
+
+            $url = common_local_url('shownotice',
+                                    array('notice' => $notice->id));
+
+            try {
+                $request->post($this->ping,
+                               null,
+                               array('p' => $url));
+            } catch (HTTP_Request2_Exception $e) {
+                common_log(LOG_WARNING,
+                           "GeoURL.org ping failed for '$url' ($this->ping)");
+            }
+        }
+
+        return true;
+    }
+}