3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2008, 2009, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 require_once INSTALLDIR . '/plugins/Facebook/facebook/facebook.php';
21 require_once INSTALLDIR . '/plugins/Facebook/facebookaction.php';
22 require_once INSTALLDIR . '/lib/noticelist.php';
24 define("FACEBOOK_SERVICE", 2); // Facebook is foreign_service ID 2
25 define("FACEBOOK_NOTICE_PREFIX", 1);
26 define("FACEBOOK_PROMPTED_UPDATE_PREF", 2);
28 function getFacebook()
30 static $facebook = null;
32 $apikey = common_config('facebook', 'apikey');
33 $secret = common_config('facebook', 'secret');
35 if ($facebook === null) {
36 $facebook = new Facebook($apikey, $secret);
39 if (empty($facebook)) {
40 common_log(LOG_ERR, 'Could not make new Facebook client obj!',
47 function isFacebookBound($notice, $flink) {
55 if ($notice->source == 'Facebook') {
56 common_log(LOG_INFO, "Skipping notice $notice->id because its " .
57 'source is Facebook.');
61 // If the user does not want to broadcast to Facebook, move along
63 if (!($flink->noticesync & FOREIGN_NOTICE_SEND == FOREIGN_NOTICE_SEND)) {
64 common_log(LOG_INFO, "Skipping notice $notice->id " .
65 'because user has FOREIGN_NOTICE_SEND bit off.');
69 // If it's not a reply, or if the user WANTS to send @-replies,
70 // then, yeah, it can go to Facebook.
72 if (!preg_match('/@[a-zA-Z0-9_]{1,15}\b/u', $notice->content) ||
73 ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY)) {
81 function facebookBroadcastNotice($notice)
83 $facebook = getFacebook();
84 $flink = Foreign_link::getByUserID($notice->profile_id, FACEBOOK_SERVICE);
86 if (isFacebookBound($notice, $flink)) {
88 // Okay, we're good to go, update the FB status
91 $fbuid = $flink->foreign_id;
92 $user = $flink->getUser();
93 $attachments = $notice->attachments();
97 // Get the status 'verb' (prefix) the user has set
99 // XXX: Does this call count against our per user FB request limit?
100 // If so we should consider storing verb elsewhere or not storing
102 $prefix = trim($facebook->api_client->data_getUserPreference(FACEBOOK_NOTICE_PREFIX,
105 $status = "$prefix $notice->content";
107 common_debug("FacebookPlugin - checking for publish_stream permission for user $user->id");
109 $can_publish = $facebook->api_client->users_hasAppPermission('publish_stream',
112 common_debug("FacebookPlugin - checking for status_update permission for user $user->id");
114 $can_update = $facebook->api_client->users_hasAppPermission('status_update',
116 if (!empty($attachments) && $can_publish == 1) {
117 $fbattachment = format_attachments($attachments);
118 $facebook->api_client->stream_publish($status, $fbattachment,
121 "FacebookPlugin - Posted notice $notice->id w/attachment " .
122 "to Facebook user's stream (fbuid = $fbuid).");
123 } elseif ($can_update == 1 || $can_publish == 1) {
124 $facebook->api_client->users_setStatus($status, $fbuid, false, true);
126 "FacebookPlugin - Posted notice $notice->id to Facebook " .
127 "as a status update (fbuid = $fbuid).");
129 $msg = "FacebookPlugin - Not sending notice $notice->id to Facebook " .
130 "because user $user->nickname hasn't given the " .
131 'Facebook app \'status_update\' or \'publish_stream\' permission.';
132 common_log(LOG_WARNING, $msg);
135 // Finally, attempt to update the user's profile box
137 if ($can_publish == 1 || $can_update == 1) {
138 updateProfileBox($facebook, $flink, $notice);
141 } catch (FacebookRestClientException $e) {
143 $code = $e->getCode();
145 $msg = "FacebookPlugin - Facebook returned error code $code: " .
146 $e->getMessage() . ' - ' .
147 "Unable to update Facebook status (notice $notice->id) " .
148 "for $user->nickname (user id: $user->id)!";
150 common_log(LOG_WARNING, $msg);
152 if ($code == 100 || $code == 200 || $code == 250) {
154 // 100 The account is 'inactive' (probably - this is not well documented)
155 // 200 The application does not have permission to operate on the passed in uid parameter.
156 // 250 Updating status requires the extended permission status_update or publish_stream.
157 // see: http://wiki.developers.facebook.com/index.php/Users.setStatus#Example_Return_XML
159 remove_facebook_app($flink);
161 } else if ($code == 341) {
162 // 341 Feed action request limit reached - Unable to update Facebook status
163 // Reposting immediately probably won't work, so drop the message for now. :(
165 common_log(LOG_ERR, "Facebook rate limit hit: dropping notice $notice->id");
169 // Try sending again later.
171 // @fixme at the moment, returning false here could lead to an infinite loop
172 // if the error condition isn't actually transitory.
174 // Temporarily throwing an exception to kill the process so it'll hit our
176 throw new Exception("Facebook error $code on notice $notice->id");
188 function updateProfileBox($facebook, $flink, $notice) {
189 $fbaction = new FacebookAction($output = 'php://output',
190 $indent = null, $facebook, $flink);
191 $fbaction->updateProfileBox($notice);
194 function format_attachments($attachments)
196 $fbattachment = array();
197 $fbattachment['media'] = array();
199 foreach($attachments as $attachment)
201 if($enclosure = $attachment->getEnclosure()){
202 $fbmedia = get_fbmedia_for_attachment($enclosure);
204 $fbmedia = get_fbmedia_for_attachment($attachment);
207 $fbattachment['media'][]=$fbmedia;
209 $fbattachment['name'] = ($attachment->title ?
210 $attachment->title : $attachment->url);
211 $fbattachment['href'] = $attachment->url;
214 if(count($fbattachment['media'])>0){
215 unset($fbattachment['name']);
216 unset($fbattachment['href']);
218 return $fbattachment;
222 * given an File objects, returns an associative array suitable for Facebook media
224 function get_fbmedia_for_attachment($attachment)
228 if (strncmp($attachment->mimetype, 'image/', strlen('image/')) == 0) {
229 $fbmedia['type'] = 'image';
230 $fbmedia['src'] = $attachment->url;
231 $fbmedia['href'] = $attachment->url;
232 } else if ($attachment->mimetype == 'audio/mpeg') {
233 $fbmedia['type'] = 'mp3';
234 $fbmedia['src'] = $attachment->url;
235 }else if ($attachment->mimetype == 'application/x-shockwave-flash') {
236 $fbmedia['type'] = 'flash';
238 // http://wiki.developers.facebook.com/index.php/Attachment_%28Streams%29
239 // says that imgsrc is required... but we have no value to put in it
240 // $fbmedia['imgsrc']='';
242 $fbmedia['swfsrc'] = $attachment->url;
249 function remove_facebook_app($flink)
252 $user = $flink->getUser();
254 common_log(LOG_INFO, 'Removing Facebook App Foreign link for ' .
255 "user $user->nickname (user id: $user->id).");
257 $result = $flink->delete();
259 if (empty($result)) {
260 common_log(LOG_ERR, 'Could not remove Facebook App ' .
261 "Foreign_link for $user->nickname (user id: $user->id)!");
262 common_log_db_error($flink, 'DELETE', __FILE__);
265 // Notify the user that we are removing their FB app access
267 $result = mail_facebook_app_removed($user);
271 $msg = 'Unable to send email to notify ' .
272 "$user->nickname (user id: $user->id) " .
273 'that their Facebook app link was ' .
276 common_log(LOG_WARNING, $msg);
282 * Send a mail message to notify a user that her Facebook Application
283 * access has been removed.
285 * @param User $user user whose Facebook app link has been removed
287 * @return boolean success flag
290 function mail_facebook_app_removed($user)
292 $profile = $user->getProfile();
294 $site_name = common_config('site', 'name');
296 common_switch_locale($user->language);
299 _m('Your %1$s Facebook application access has been disabled.',
302 $body = sprintf(_m("Hi, %1\$s. We're sorry to inform you that we are " .
303 'unable to update your Facebook status from %2$s, and have disabled ' .
304 'the Facebook application for your account. This may be because ' .
305 'you have removed the Facebook application\'s authorization, or ' .
306 'have deleted your Facebook account. You can re-enable the ' .
307 'Facebook application and automatic status updating by ' .
308 "re-installing the %2\$s Facebook application.\n\nRegards,\n\n%2\$s"),
309 $user->nickname, $site_name);
311 common_switch_locale();
312 return mail_to_user($user, $subject, $body);