if ($service == 'oauth.facebook') {
// facebook resynchronizations are simple to perform
$oauth_userinfo = $consumer->refresh_userinfo();
if (empty($oauth_userinfo)) {
$msg = 114;
// Account saved but re-synch failed.
COM_errorLog($MESSAGE[$msg]);
} else {
$consumer->doSynch($oauth_userinfo);
}
} else {
// other OAuth services are more complex
// setup what we need to callback and authenticate
$callback_query_string = $consumer->getCallback_query_string();
// COM_errorLog("callback_query_string={$callback_query_string}");
$cancel_query_string = $consumer->getCancel_query_string();
// COM_errorLog("cancel_query_string={$cancel_query_string}");
$callback_url = $_CONF['site_url'] . '/usersettings.php?mode=synch&oauth_login=' . $service;
// COM_errorLog("callback_url={$callback_url}");
// authenticate with the remote service
if (!isset($query[$callback_query_string]) && (empty($cancel_query_string) || !isset($query[$cancel_query_string]))) {
$msg = 114;
// Resynch with remote account has failed but other account information has been successfully saved
// elseif the callback query string is set, then we have successfully authenticated
} elseif (isset($query[$callback_query_string])) {
// COM_errorLog("authenticated with remote service, retrieve userinfo");
// foreach($query as $key=>$value) {
// COM_errorLog("query[{$key}]={$value}");
// }
$oauth_userinfo = $consumer->sreq_userinfo_response($query);
if (empty($oauth_userinfo)) {
