这个Facebook PHP SDK让我抓狂!
getUser() always return 0
让我解释一下我做什么:
$facebook = new Facebook(array(
'appId' => FACEBOOK_APP_ID,
'secret' => FACEBOOK_SECRET,
));
$user = $facebook->getUser();
if ($user === 0)
{
$loginUrl = $facebook->getLoginUrl(array(
'scope' => 'email, publish_stream',
'redirect_uri' => FB_REDIRECT_URI
));
echo "<script type='text/javascript'>window.location = '$loginUrl';</script>";
exit();
}
简单的代码,相当于示例。好的
我在login.php和complete.php 中有这段代码
我从login.php发送请求,并将redirect_uri设置为complete.php(与我在使用Facebook登录的网站中所写的相同…显然是一个完整的URLhttps://www.example.com/complete.php)
我真的不明白为什么我仍然得到0!这是不可能的,我在登录URL后登录了Facebook。
我还通过URL传递了"权限"。
我已经在这个应用程序上注册了,所以我真的不明白这个SDK继续返回0的原因。
有人能帮我吗?
信息:
我只选择了Facebook登录的网站,没有其他。。。未选择"Facebook上的应用程序"。
编辑:
https://www.facebook.com/login.php?api_key=216182291818102&skip_api_login=1&display=page&cancel_url=https%3A%2F%2Fwww.example.com%2Fusers%2Fcomplete%2F%3Ferror_reason%3Duser_denied%26error%3Daccess_denied%26error_description%3DThe%2Buser%2Bdenied%2Byour%2Brequest.%26state%3D720fab495a21639032816d3c688ae87b&fbconnect=1&next=https%3A%2F%2Fwww.facebook.com%2Fdialog%2Fpermissions.request%3F_path%3Dpermissions.request%26app_id%3D216182291818102%26redirect_uri%3Dhttps%253A%252F%252Fwww.example.com%252Fusers%252Fcomplete%252F%26display%3Dpage%26response_type%3Dcode%26state%3D720fab495a21639032816d3c688ae87b%26perms%3Duser_birthday%252Cemail%26fbconnect%3D1%26from_login%3D1%26client_id%3D216182291818102&rcount=1
我使用了同样的例子,这对我来说很有效。我的连接是这样的,试着添加cookie=true并检查,希望能为你工作
$facebook = new Facebook(array(
'appId' => FACEBOOK_APP_ID,
'secret' => FACEBOOK_SECRET,
'cookie' => true,
));
你从哪里得到这个例子的?这来自FB开发人员页面(https://developers.facebook.com/docs/authentication/server-side/):
<?php
$app_id = "YOUR_APP_ID";
$app_secret = "YOUR_APP_SECRET";
$my_url = "YOUR_URL";
session_start();
$code = $_REQUEST["code"];
if(empty($code)) {
$_SESSION['state'] = md5(uniqid(rand(), TRUE)); //CSRF protection
$dialog_url = "https://www.facebook.com/dialog/oauth?client_id="
. $app_id . "&redirect_uri=" . urlencode($my_url) . "&state="
. $_SESSION['state'];
echo("<script> top.location.href='" . $dialog_url . "'</script>");
}
if($_SESSION['state'] && ($_SESSION['state'] === $_REQUEST['state'])) {
$token_url = "https://graph.facebook.com/oauth/access_token?"
. "client_id=" . $app_id . "&redirect_uri=" . urlencode($my_url)
. "&client_secret=" . $app_secret . "&code=" . $code;
$response = file_get_contents($token_url);
$params = null;
parse_str($response, $params);
$graph_url = "https://graph.facebook.com/me?access_token="
. $params['access_token'];
$user = json_decode(file_get_contents($graph_url));
echo("Hello " . $user->name);
}
else {
echo("The state does not match. You may be a victim of CSRF.");
}
?>
您的代码看起来不错。您应该为facebook数组再提供一个参数cookie=>true
。你应该参考以下对我有用的教程。
http://www.9lessons.info/2011/02/login-with-facebook-and-twitter.html
希望对你有用。
现在我发布APP的配置。
App ID/API Key
xxxxxxxxxxxxxxxxxx // your App ID
App Secret
xxxxxxxxxxxxxxxxxxxxxxx //Your secret key
Site URL
http://localhost/ //your site url
Contact Email
example@example.com //your email id
Support URL
http://localhost //your support url
我只提供了这么多信息,它对我来说非常有效。
试试这个
$facebook = new Facebook(array(
'appId' => FACEBOOK_APP_ID,
'secret' => FACEBOOK_SECRET,
'cookie' => true,
));
首先登录到facebook帐户,然后执行此代码。
$user=$facebook->getUser();