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authorZach Copley <zach@status.net>2009-10-20 16:32:30 -0700
committerZach Copley <zach@status.net>2009-10-20 16:32:30 -0700
commit78e5a5980a21c04cfdacb993ca3c37bf65d21783 (patch)
tree6d4ef5e8b55ecd50607a7aebe556b961a37be842 /plugins/Facebook/facebookutil.php
parent5e536a66141fac332e77c5ea6e85aee6a9347ace (diff)
Extract out Facebook app stuff into a plugin
Diffstat (limited to 'plugins/Facebook/facebookutil.php')
-rw-r--r--plugins/Facebook/facebookutil.php260
1 files changed, 260 insertions, 0 deletions
diff --git a/plugins/Facebook/facebookutil.php b/plugins/Facebook/facebookutil.php
new file mode 100644
index 000000000..9817837f7
--- /dev/null
+++ b/plugins/Facebook/facebookutil.php
@@ -0,0 +1,260 @@
+<?php
+/*
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2008, 2009, 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/>.
+ */
+
+require_once INSTALLDIR . '/extlib/facebook/facebook.php';
+require_once INSTALLDIR . '/plugins/Facebook/facebookaction.php';
+require_once INSTALLDIR . '/lib/noticelist.php';
+
+define("FACEBOOK_SERVICE", 2); // Facebook is foreign_service ID 2
+define("FACEBOOK_NOTICE_PREFIX", 1);
+define("FACEBOOK_PROMPTED_UPDATE_PREF", 2);
+
+function getFacebook()
+{
+ static $facebook = null;
+
+ $apikey = common_config('facebook', 'apikey');
+ $secret = common_config('facebook', 'secret');
+
+ if ($facebook === null) {
+ $facebook = new Facebook($apikey, $secret);
+ }
+
+ if (empty($facebook)) {
+ common_log(LOG_ERR, 'Could not make new Facebook client obj!',
+ __FILE__);
+ }
+
+ return $facebook;
+}
+
+function isFacebookBound($notice, $flink) {
+
+ if (empty($flink)) {
+ return false;
+ }
+
+ // Avoid a loop
+
+ if ($notice->source == 'Facebook') {
+ common_log(LOG_INFO, "Skipping notice $notice->id because its " .
+ 'source is Facebook.');
+ return false;
+ }
+
+ // If the user does not want to broadcast to Facebook, move along
+
+ if (!($flink->noticesync & FOREIGN_NOTICE_SEND == FOREIGN_NOTICE_SEND)) {
+ common_log(LOG_INFO, "Skipping notice $notice->id " .
+ 'because user has FOREIGN_NOTICE_SEND bit off.');
+ return false;
+ }
+
+ // If it's not a reply, or if the user WANTS to send @-replies,
+ // then, yeah, it can go to Facebook.
+
+ if (!preg_match('/@[a-zA-Z0-9_]{1,15}\b/u', $notice->content) ||
+ ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY)) {
+ return true;
+ }
+
+ return false;
+
+}
+
+function facebookBroadcastNotice($notice)
+{
+ $facebook = getFacebook();
+ $flink = Foreign_link::getByUserID($notice->profile_id, FACEBOOK_SERVICE);
+
+ if (isFacebookBound($notice, $flink)) {
+
+ // Okay, we're good to go, update the FB status
+
+ $status = null;
+ $fbuid = $flink->foreign_id;
+ $user = $flink->getUser();
+ $attachments = $notice->attachments();
+
+ try {
+
+ // Get the status 'verb' (prefix) the user has set
+
+ // XXX: Does this call count against our per user FB request limit?
+ // If so we should consider storing verb elsewhere or not storing
+
+ $prefix = trim($facebook->api_client->data_getUserPreference(FACEBOOK_NOTICE_PREFIX,
+ $fbuid));
+
+ $status = "$prefix $notice->content";
+
+ $can_publish = $facebook->api_client->users_hasAppPermission('publish_stream',
+ $fbuid);
+
+ $can_update = $facebook->api_client->users_hasAppPermission('status_update',
+ $fbuid);
+ if (!empty($attachments) && $can_publish == 1) {
+ $fbattachment = format_attachments($attachments);
+ $facebook->api_client->stream_publish($status, $fbattachment,
+ null, null, $fbuid);
+ common_log(LOG_INFO,
+ "Posted notice $notice->id w/attachment " .
+ "to Facebook user's stream (fbuid = $fbuid).");
+ } elseif ($can_update == 1 || $can_publish == 1) {
+ $facebook->api_client->users_setStatus($status, $fbuid, false, true);
+ common_log(LOG_INFO,
+ "Posted notice $notice->id to Facebook " .
+ "as a status update (fbuid = $fbuid).");
+ } else {
+ $msg = "Not sending notice $notice->id to Facebook " .
+ "because user $user->nickname hasn't given the " .
+ 'Facebook app \'status_update\' or \'publish_stream\' permission.';
+ common_log(LOG_WARNING, $msg);
+ }
+
+ // Finally, attempt to update the user's profile box
+
+ if ($can_publish == 1 || $can_update == 1) {
+ updateProfileBox($facebook, $flink, $notice);
+ }
+
+ } catch (FacebookRestClientException $e) {
+
+ $code = $e->getCode();
+
+ common_log(LOG_WARNING, 'Facebook returned error code ' .
+ $code . ': ' . $e->getMessage());
+ common_log(LOG_WARNING,
+ 'Unable to update Facebook status for ' .
+ "$user->nickname (user id: $user->id)!");
+
+ if ($code == 200 || $code == 250) {
+
+ // 200 The application does not have permission to operate on the passed in uid parameter.
+ // 250 Updating status requires the extended permission status_update or publish_stream.
+ // see: http://wiki.developers.facebook.com/index.php/Users.setStatus#Example_Return_XML
+
+ remove_facebook_app($flink);
+
+ } else {
+
+ // Try sending again later.
+
+ return false;
+ }
+
+ }
+ }
+
+ return true;
+
+}
+
+function updateProfileBox($facebook, $flink, $notice) {
+ $fbaction = new FacebookAction($output = 'php://output',
+ $indent = true, $facebook, $flink);
+ $fbaction->updateProfileBox($notice);
+}
+
+function format_attachments($attachments)
+{
+ $fbattachment = array();
+ $fbattachment['media'] = array();
+
+ foreach($attachments as $attachment)
+ {
+ if($enclosure = $attachment->getEnclosure()){
+ $fbmedia = get_fbmedia_for_attachment($enclosure);
+ }else{
+ $fbmedia = get_fbmedia_for_attachment($attachment);
+ }
+ if($fbmedia){
+ $fbattachment['media'][]=$fbmedia;
+ }else{
+ $fbattachment['name'] = ($attachment->title ?
+ $attachment->title : $attachment->url);
+ $fbattachment['href'] = $attachment->url;
+ }
+ }
+ if(count($fbattachment['media'])>0){
+ unset($fbattachment['name']);
+ unset($fbattachment['href']);
+ }
+ return $fbattachment;
+}
+
+/**
+* given an File objects, returns an associative array suitable for Facebook media
+*/
+function get_fbmedia_for_attachment($attachment)
+{
+ $fbmedia = array();
+
+ if (strncmp($attachment->mimetype, 'image/', strlen('image/')) == 0) {
+ $fbmedia['type'] = 'image';
+ $fbmedia['src'] = $attachment->url;
+ $fbmedia['href'] = $attachment->url;
+ } else if ($attachment->mimetype == 'audio/mpeg') {
+ $fbmedia['type'] = 'mp3';
+ $fbmedia['src'] = $attachment->url;
+ }else if ($attachment->mimetype == 'application/x-shockwave-flash') {
+ $fbmedia['type'] = 'flash';
+
+ // http://wiki.developers.facebook.com/index.php/Attachment_%28Streams%29
+ // says that imgsrc is required... but we have no value to put in it
+ // $fbmedia['imgsrc']='';
+
+ $fbmedia['swfsrc'] = $attachment->url;
+ }else{
+ return false;
+ }
+ return $fbmedia;
+}
+
+function remove_facebook_app($flink)
+{
+
+ $user = $flink->getUser();
+
+ common_log(LOG_INFO, 'Removing Facebook App Foreign link for ' .
+ "user $user->nickname (user id: $user->id).");
+
+ $result = $flink->delete();
+
+ if (empty($result)) {
+ common_log(LOG_ERR, 'Could not remove Facebook App ' .
+ "Foreign_link for $user->nickname (user id: $user->id)!");
+ common_log_db_error($flink, 'DELETE', __FILE__);
+ }
+
+ // Notify the user that we are removing their FB app access
+
+ $result = mail_facebook_app_removed($user);
+
+ if (!$result) {
+
+ $msg = 'Unable to send email to notify ' .
+ "$user->nickname (user id: $user->id) " .
+ 'that their Facebook app link was ' .
+ 'removed!';
+
+ common_log(LOG_WARNING, $msg);
+ }
+
+}