Facebook PHP API - sudden problem with users_isAppUser()
we have an iframe facebookapp which worked fine till yesterday. Although we didn't change anything our app suddenly stopped working.
We could identify users_isAppUser() as a problem. The method returns that the user has not added the app though he definitely has installed the app and is logged in. We could delete the try/catch part (see code below), so that the app does not get catched in a redirect loop, but the following methods do not work either:
$this->facebook->api_client->friends_get()
$this->facebook->api_client->friends_getAppUsers()
$this->facebook->api_client->call_method('facebook.users.hasAppPermission', array('ext_perm' => 'publish_stream'))
require_login() does work and we can get the facebook userid of the logged in user.
The weird thing is, that our app worked fine for a couple of weeks till yesterday. Have there been any secret changes to the API in the last days? Or any other conclusions what the problem could be? I would appreciate any tips. Thanks in advance!
$this->fbuserid = $this->facebook->require_login();
// check if user has added app, exception gets thrown if the cookie has an invalid session_key i.e. user is not logged in
try {
if(!$this->facebook->api_client->users_isAppUser()) {
$this->facebook->redirect($this->facebook->get_add_url());
}
} catch (exception $ex) {
// clear cookies for application and redirect to login开发者_JAVA百科 prompt
$this->facebook->set_user(null, null);
$this->facebook->redirect($this->configArray['appcallbackurl']);
}
<?php
// this is sample code taken from the Facebook Developers Site.Thank you to Face book
define('YOUR_APP_ID', '');
define('YOUR_APP_SECRET', '');
function get_facebook_cookie($app_id, $app_secret) {
$args = array();
parse_str(trim($_COOKIE['fbs_' . $app_id], '\\"'), $args);
ksort($args);
$payload = '';
foreach ($args as $key => $value) {
if ($key != 'sig') {
$payload .= $key . '=' . $value;
}
}
if (md5($payload . $app_secret) != $args['sig']) {
return null;
}
return $args;
}
$cookie = get_facebook_cookie(YOUR_APP_ID, YOUR_APP_SECRET);
echo "<pre/>";
/*print_r($_COOKIE);
print_r($cookie);*/
$user = json_decode(file_get_contents('https://graph.facebook.com/me?access_token=' . $cookie['access_token']));
$photo = json_decode(file_get_contents('https://graph.facebook.com/100000439661780/albums?access_token=' . $cookie['access_token']));
echo "<pre/>";
print_r($photo);
?>
<img src="https://graph.facebook.com/ureshpatel5/picture" height="200" width="200" />
<html>
<body>
<?php
$albums = $facebook->api('/me/albums');
print_r($albums);
foreach($albums['data'] as $album)
{
// get all photos for album
$photos = $facebook->api("/{189346844423303_46487}/photos");
foreach($photos['data'] as $photo)
{
echo "<img src='{$photo['source']}' />", "<br />";
}
}
?>
<?php if ($cookie) { ?>
Welcome <?= $user->name ?>
<?php } else { ?>
<fb:login-button></fb:login-button>
<?php } ?>
<?php
echo $photo->source;
?>
<div id="fb-root"></div>
<script src="http://connect.facebook.net/en_US/all.js"></script>
<script>
FB.init({appId: '<?= YOUR_APP_ID ?>', status: true,
cookie: true, xfbml: true});
FB.Event.subscribe('auth.login', function(response) {
window.location.reload();
});
</script>
</body>
</html>
加载中,请稍侯......
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