264 lines
9.4 KiB
PHP
264 lines
9.4 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, Control Yourself, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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require_once INSTALLDIR.'/extlib/facebook/facebook.php';
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require_once INSTALLDIR.'/lib/facebookaction.php';
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require_once INSTALLDIR.'/lib/noticelist.php';
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define("FACEBOOK_SERVICE", 2); // Facebook is foreign_service ID 2
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define("FACEBOOK_NOTICE_PREFIX", 1);
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define("FACEBOOK_PROMPTED_UPDATE_PREF", 2);
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function getFacebook()
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{
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static $facebook = null;
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$apikey = common_config('facebook', 'apikey');
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$secret = common_config('facebook', 'secret');
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if ($facebook === null) {
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$facebook = new Facebook($apikey, $secret);
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}
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if (!$facebook) {
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common_log(LOG_ERR, 'Could not make new Facebook client obj!',
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__FILE__);
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}
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return $facebook;
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}
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function updateProfileBox($facebook, $flink, $notice) {
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$fbaction = new FacebookAction($output='php://output', $indent=true, $facebook, $flink);
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$fbaction->updateProfileBox($notice);
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}
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function isFacebookBound($notice, $flink) {
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if (empty($flink)) {
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return false;
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}
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// If the user does not want to broadcast to Facebook, move along
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if (!($flink->noticesync & FOREIGN_NOTICE_SEND == FOREIGN_NOTICE_SEND)) {
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common_log(LOG_INFO, "Skipping notice $notice->id " .
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'because user has FOREIGN_NOTICE_SEND bit off.');
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return false;
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}
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$success = false;
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// If it's not a reply, or if the user WANTS to send @-replies...
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if (!preg_match('/@[a-zA-Z0-9_]{1,15}\b/u', $notice->content) ||
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($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY)) {
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$success = true;
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// The two condition below are deal breakers:
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// Avoid a loop
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if ($notice->source == 'Facebook') {
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common_log(LOG_INFO, "Skipping notice $notice->id because its " .
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'source is Facebook.');
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$success = false;
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}
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$facebook = getFacebook();
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$fbuid = $flink->foreign_id;
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try {
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// Check to see if the user has given the FB app status update perms
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$result = $facebook->api_client->
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users_hasAppPermission('publish_stream', $fbuid);
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if ($result != 1) {
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$result = $facebook->api_client->
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users_hasAppPermission('status_update', $fbuid);
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}
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if ($result != 1) {
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$user = $flink->getUser();
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$msg = "Not sending notice $notice->id to Facebook " .
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"because user $user->nickname hasn't given the " .
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'Facebook app \'status_update\' or \'publish_stream\' permission.';
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common_debug($msg);
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$success = false;
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}
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} catch(FacebookRestClientException $e){
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common_log(LOG_ERR, $e->getMessage());
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$success = false;
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}
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}
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return $success;
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}
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function facebookBroadcastNotice($notice)
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{
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$facebook = getFacebook();
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$flink = Foreign_link::getByUserID($notice->profile_id, FACEBOOK_SERVICE);
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if (isFacebookBound($notice, $flink)) {
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$status = null;
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$fbuid = $flink->foreign_id;
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$user = $flink->getUser();
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// Get the status 'verb' (prefix) the user has set
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try {
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$prefix = $facebook->api_client->
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data_getUserPreference(FACEBOOK_NOTICE_PREFIX, $fbuid);
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$status = "$prefix $notice->content";
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} catch(FacebookRestClientException $e) {
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common_log(LOG_WARNING, $e->getMessage());
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common_log(LOG_WARNING,
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'Unable to get the status verb setting from Facebook ' .
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"for $user->nickname (user id: $user->id).");
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}
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// Okay, we're good to go, update the FB status
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try {
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$result = $facebook->api_client->
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users_hasAppPermission('publish_stream', $fbuid);
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if($result == 1){
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// authorized to use the stream api, so use it
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$fbattachment = null;
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$attachments = $notice->attachments();
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if($attachments){
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$fbattachment=array();
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$fbattachment['media']=array();
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//facebook only supports one attachment per item
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$attachment = $attachments[0];
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$fbmedia=array();
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if(strncmp($attachment->mimetype,'image/',strlen('image/'))==0){
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$fbmedia['type']='image';
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$fbmedia['src']=$attachment->url;
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$fbmedia['href']=$attachment->url;
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$fbattachment['media'][]=$fbmedia;
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/* Video doesn't seem to work. The notice never makes it to facebook, and no error is reported.
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}else if(strncmp($attachment->mimetype,'video/',strlen('image/'))==0 || $attachment->mimetype="application/ogg"){
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$fbmedia['type']='video';
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$fbmedia['video_src']=$attachment->url;
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// http://wiki.developers.facebook.com/index.php/Attachment_%28Streams%29
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// says that preview_img is required... but we have no value to put in it
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// $fbmedia['preview_img']=$attachment->url;
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if($attachment->title){
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$fbmedia['video_title']=$attachment->title;
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}
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$fbmedia['video_type']=$attachment->mimetype;
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$fbattachment['media'][]=$fbmedia;
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*/
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}else if($attachment->mimetype=='audio/mpeg'){
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$fbmedia['type']='mp3';
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$fbmedia['src']=$attachment->url;
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$fbattachment['media'][]=$fbmedia;
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}else if($attachment->mimetype=='application/x-shockwave-flash'){
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$fbmedia['type']='flash';
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// http://wiki.developers.facebook.com/index.php/Attachment_%28Streams%29
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// says that imgsrc is required... but we have no value to put in it
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// $fbmedia['imgsrc']='';
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$fbmedia['swfsrc']=$attachment->url;
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$fbattachment['media'][]=$fbmedia;
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}else{
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$fbattachment['name']=($attachment->title?$attachment->title:$attachment->url);
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$fbattachment['href']=$attachment->url;
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}
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}
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$facebook->api_client->stream_publish($status, $fbattachment, null, null, $fbuid);
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}else{
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$facebook->api_client->users_setStatus($status, $fbuid, false, true);
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}
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} catch(FacebookRestClientException $e) {
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$code = $e->getCode();
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common_log(LOG_ERR, 'Facebook returned error code ' .
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$code . ': ' . $e->getMessage());
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common_log(LOG_ERR,
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'Unable to update Facebook status for ' .
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"$user->nickname (user id: $user->id)!");
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if ($code == 200 || $code == 250) {
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// 200 The application does not have permission to operate on the passed in uid parameter.
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// 250 Updating status requires the extended permission status_update or publish_stream.
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// see: http://wiki.developers.facebook.com/index.php/Users.setStatus#Example_Return_XML
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remove_facebook_app($flink);
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}
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}
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// Now try to update the profile box
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try {
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updateProfileBox($facebook, $flink, $notice);
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} catch(FacebookRestClientException $e) {
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common_log(LOG_ERR, 'Facebook returned error code ' .
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$e->getCode() . ': ' . $e->getMessage());
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common_log(LOG_WARNING,
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'Unable to update Facebook profile box for ' .
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"$user->nickname (user id: $user->id).");
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}
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}
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return true;
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}
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function remove_facebook_app($flink)
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{
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$user = $flink->getUser();
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common_log(LOG_INFO, 'Removing Facebook App Foreign link for ' .
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"user $user->nickname (user id: $user->id).");
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$result = $flink->delete();
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if (empty($result)) {
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common_log(LOG_ERR, 'Could not remove Facebook App ' .
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"Foreign_link for $user->nickname (user id: $user->id)!");
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common_log_db_error($flink, 'DELETE', __FILE__);
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}
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// Notify the user that we are removing their FB app access
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$result = mail_facebook_app_removed($user);
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if (!$result) {
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$msg = 'Unable to send email to notify ' .
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"$user->nickname (user id: $user->id) " .
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'that their Facebook app link was ' .
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'removed!';
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common_log(LOG_WARNING, $msg);
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}
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}
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