forked from GNUsocial/gnu-social
487 lines
15 KiB
PHP
487 lines
15 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: $fbuid"
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);
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$text = formatNotice($notice, $user, $fbuid);
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$facebook = getFacebook();
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$result = $facebook->api_client->users_setStatus(
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$text,
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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: $fbuid"
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);
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$text = formatNotice($notice, $user, $fbuid);
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$fbattachment = format_attachments($notice->attachments());
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$facebook = getFacebook();
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$facebook->api_client->stream_publish(
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$text,
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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: $fbuid"
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);
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}
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function formatNotice($notice, $user, $fbuid)
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{
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// Get the status 'verb' the user has set, if any
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common_debug(
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"FacebookPlugin - Looking to see if $user->nickname ($user->id), "
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. "Facebook UID: $fbuid has set a verb for Facebook posting..."
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);
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$facebook = getFacebook();
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$verb = trim(
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$facebook->api_client->data_getUserPreference(
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FACEBOOK_NOTICE_PREFIX,
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$fbuid
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)
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);
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common_debug("Facebook returned " . var_export($verb, true));
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$text = null;
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if (!empty($verb)) {
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common_debug("FacebookPlugin - found a verb: $verb");
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$text = trim($verb) . ' ' . $notice->content;
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} else {
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common_debug("FacebookPlugin - no verb found.");
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$text = $notice->content;
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}
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return $text;
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}
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function updateProfileBox($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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