From 78e5a5980a21c04cfdacb993ca3c37bf65d21783 Mon Sep 17 00:00:00 2001 From: Zach Copley Date: Tue, 20 Oct 2009 16:32:30 -0700 Subject: Extract out Facebook app stuff into a plugin --- plugins/Facebook/facebookutil.php | 260 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 260 insertions(+) create mode 100644 plugins/Facebook/facebookutil.php (limited to 'plugins/Facebook/facebookutil.php') 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 @@ +. + */ + +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); + } + +} -- cgit v1.2.3-54-g00ecf