forked from GNUsocial/gnu-social
3e9b356777
updates. Facebook has disabled the ability to store user preferences via their old REST API, causing our application to break. Also, verbs in status updates seem to be deprecated, and stream posts don't seem to have a verb.
452 lines
14 KiB
PHP
452 lines
14 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, 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 . '/plugins/Facebook/facebook/facebook.php';
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require_once INSTALLDIR . '/plugins/Facebook/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, $secret);
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}
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if (empty($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 $facebook;
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}
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function isFacebookBound($notice, $flink) {
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if (empty($flink)) {
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return false;
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}
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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 $notice->id because its " .
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'source is Facebook.');
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return false;
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}
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// If the user does not want to broadcast to Facebook, move along
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if (!($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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// If it's not a reply, or if the user WANTS to send @-replies,
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// then, yeah, it can go to Facebook.
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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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return true;
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}
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return false;
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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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$flink = Foreign_link::getByUserID(
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$notice->profile_id,
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FACEBOOK_SERVICE
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);
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if (isFacebookBound($notice, $flink)) {
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// Okay, we're good to go, update the FB status
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$fbuid = $flink->foreign_id;
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$user = $flink->getUser();
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try {
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// Check permissions
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common_debug(
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'FacebookPlugin - checking for publish_stream permission for user '
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. "$user->nickname ($user->id), Facebook UID: $fbuid"
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);
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// NOTE: $facebook->api_client->users_hasAppPermission('publish_stream', $fbuid)
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// has been returning bogus results, so we're using FQL to check for
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// publish_stream permission now
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$fql = "SELECT publish_stream FROM permissions WHERE uid = $fbuid";
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$result = $facebook->api_client->fql_query($fql);
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$canPublish = 0;
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if (!empty($result)) {
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$canPublish = $result[0]['publish_stream'];
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}
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if ($canPublish == 1) {
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common_debug(
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"FacebookPlugin - $user->nickname ($user->id), Facebook UID: $fbuid "
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. 'has publish_stream permission.'
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);
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} else {
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common_debug(
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"FacebookPlugin - $user->nickname ($user->id), Facebook UID: $fbuid "
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. 'does NOT have publish_stream permission. Facebook '
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. 'returned: ' . var_export($result, true)
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);
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}
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common_debug(
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'FacebookPlugin - checking for status_update permission for user '
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. "$user->nickname ($user->id), Facebook UID: $fbuid. "
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);
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$canUpdate = $facebook->api_client->users_hasAppPermission(
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'status_update',
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$fbuid
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);
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if ($canUpdate == 1) {
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common_debug(
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"FacebookPlugin - $user->nickname ($user->id), Facebook UID: $fbuid "
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. 'has status_update permission.'
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);
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} else {
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common_debug(
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"FacebookPlugin - $user->nickname ($user->id), Facebook UID: $fbuid "
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.'does NOT have status_update permission. Facebook '
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. 'returned: ' . var_export($canPublish, true)
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);
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}
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// Post to Facebook
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if ($notice->hasAttachments() && $canPublish == 1) {
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publishStream($notice, $user, $fbuid);
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} elseif ($canUpdate == 1 || $canPublish == 1) {
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statusUpdate($notice, $user, $fbuid);
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} else {
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$msg = "FacebookPlugin - Not sending notice $notice->id to Facebook " .
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"because user $user->nickname has not given the " .
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'Facebook app \'status_update\' or \'publish_stream\' permission.';
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common_log(LOG_WARNING, $msg);
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}
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// Finally, attempt to update the user's profile box
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if ($canPublish == 1 || $canUpdate == 1) {
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updateProfileBox($facebook, $flink, $notice, $user);
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}
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} catch (FacebookRestClientException $e) {
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return handleFacebookError($e, $notice, $flink);
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}
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}
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return true;
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}
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function handleFacebookError($e, $notice, $flink)
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{
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$fbuid = $flink->foreign_id;
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$user = $flink->getUser();
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$code = $e->getCode();
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$errmsg = $e->getMessage();
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// XXX: Check for any others?
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switch($code) {
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case 100: // Invalid parameter
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$msg = "FacebookPlugin - Facebook claims notice %d was posted with an invalid parameter (error code 100):"
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. "\"%s\" (Notice details: nickname=%s, user ID=%d, Facebook ID=%d, notice content=\"%s\"). "
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. "Removing notice from the Facebook queue for safety.";
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common_log(
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LOG_ERR, sprintf(
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$msg,
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$notice->id,
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$errmsg,
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$user->nickname,
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$user->id,
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$fbuid,
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$notice->content
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)
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);
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return true;
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break;
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case 200: // Permissions error
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case 250: // Updating status requires the extended permission status_update
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remove_facebook_app($flink);
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return true; // dequeue
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break;
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case 341: // Feed action request limit reached
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$msg = "FacebookPlugin - User %s (User ID=%d, Facebook ID=%d) has exceeded "
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. "his/her limit for posting notices to Facebook today. Dequeuing "
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. "notice %d.";
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common_log(
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LOG_INFO, sprintf(
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$msg,
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$user->nickname,
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$user->id,
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$fbuid,
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$notice->id
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)
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);
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// @fixme: We want to rety at a later time when the throttling has expired
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// instead of just giving up.
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return true;
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break;
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default:
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$msg = "FacebookPlugin - Facebook returned an error we don't know how to deal with while trying to "
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. "post notice %d. Error code: %d, error message: \"%s\". (Notice details: "
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. "nickname=%s, user ID=%d, Facebook ID=%d, notice content=\"%s\"). Removing notice "
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. "from the Facebook queue for safety.";
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common_log(
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LOG_ERR, sprintf(
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$msg,
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$notice->id,
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$code,
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$errmsg,
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$user->nickname,
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$user->id,
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$fbuid,
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$notice->content
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)
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);
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return true; // dequeue
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break;
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}
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}
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function statusUpdate($notice, $user, $fbuid)
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{
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common_debug(
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"FacebookPlugin - Attempting to post notice $notice->id "
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. "as a status update for $user->nickname ($user->id), "
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. "Facebook UID: $fbuid"
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);
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$facebook = getFacebook();
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$result = $facebook->api_client->users_setStatus(
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$notice->content,
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$fbuid,
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false,
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true
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);
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common_debug('Facebook returned: ' . var_export($result, true));
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common_log(
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LOG_INFO,
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"FacebookPlugin - Posted notice $notice->id as a status "
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. "update for $user->nickname ($user->id), "
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. "Facebook UID: $fbuid"
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);
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}
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function publishStream($notice, $user, $fbuid)
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{
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common_debug(
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"FacebookPlugin - Attempting to post notice $notice->id "
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. "as stream item with attachment for $user->nickname ($user->id), "
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. "Facebook UID: $fbuid"
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);
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$fbattachment = format_attachments($notice->attachments());
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$facebook = getFacebook();
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$facebook->api_client->stream_publish(
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$notice->content,
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$fbattachment,
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null,
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null,
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$fbuid
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);
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common_log(
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LOG_INFO,
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"FacebookPlugin - Posted notice $notice->id as a stream "
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. "item with attachment for $user->nickname ($user->id), "
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. "Facebook UID: $fbuid"
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);
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}
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function updateProfileBox($facebook, $flink, $notice, $user) {
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$facebook = getFacebook();
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$fbaction = new FacebookAction(
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$output = 'php://output',
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$indent = null,
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$facebook,
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$flink
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);
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$fbuid = $flink->foreign_id;
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common_debug(
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'FacebookPlugin - Attempting to update profile box with '
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. "content from notice $notice->id for $user->nickname ($user->id), "
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. "Facebook UID: $fbuid"
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);
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$fbaction->updateProfileBox($notice);
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common_debug(
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'FacebookPlugin - finished updating profile box for '
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. "$user->nickname ($user->id) Facebook UID: $fbuid"
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);
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}
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function format_attachments($attachments)
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{
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$fbattachment = array();
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$fbattachment['media'] = array();
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foreach($attachments as $attachment)
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{
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if($enclosure = $attachment->getEnclosure()){
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$fbmedia = get_fbmedia_for_attachment($enclosure);
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}else{
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$fbmedia = get_fbmedia_for_attachment($attachment);
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}
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if($fbmedia){
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$fbattachment['media'][]=$fbmedia;
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}else{
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$fbattachment['name'] = ($attachment->title ?
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$attachment->title : $attachment->url);
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$fbattachment['href'] = $attachment->url;
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}
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}
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if(count($fbattachment['media'])>0){
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unset($fbattachment['name']);
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unset($fbattachment['href']);
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}
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return $fbattachment;
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}
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/**
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* given an File objects, returns an associative array suitable for Facebook media
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*/
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function get_fbmedia_for_attachment($attachment)
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{
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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'] = $attachment->url;
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} else if ($attachment->mimetype == 'audio/mpeg') {
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$fbmedia['type'] = 'mp3';
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$fbmedia['src'] = $attachment->url;
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}else if ($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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}else{
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return false;
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}
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return $fbmedia;
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}
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function remove_facebook_app($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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/**
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* Send a mail message to notify a user that her Facebook Application
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* access has been removed.
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*
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* @param User $user user whose Facebook app link has been removed
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*
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* @return boolean success flag
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*/
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function mail_facebook_app_removed($user)
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{
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$profile = $user->getProfile();
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$site_name = common_config('site', 'name');
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common_switch_locale($user->language);
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$subject = sprintf(
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_m('Your %1$s Facebook application access has been disabled.',
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$site_name));
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$body = sprintf(_m("Hi, %1\$s. We're sorry to inform you that we are " .
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'unable to update your Facebook status from %2$s, and have disabled ' .
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'the Facebook application for your account. This may be because ' .
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'you have removed the Facebook application\'s authorization, or ' .
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'have deleted your Facebook account. You can re-enable the ' .
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'Facebook application and automatic status updating by ' .
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"re-installing the %2\$s Facebook application.\n\nRegards,\n\n%2\$s"),
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$user->nickname, $site_name);
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common_switch_locale();
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return mail_to_user($user, $subject, $body);
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}
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