我的网站上有一个照片库,我需要 Facebook 身份验证才能查看它并收集姓名/电子邮件地址。到目前为止,我已经转到[这里][1]并读到我尝试了有效的php示例,但我对如何在身份验证时获取用户名/电子邮件感到困惑?我使用了这个,但在示例中为什么“代码”为空,以及如何获取用户的信息,例如示例中如何获取“状态”。另外,在我的版本中,它只是触发重定向,为什么在示例中永远不会满足第二个条件?
示例:
<?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 = "http://www.facebook.com/dialog/oauth?client_id="
. $app_id . "&redirect_uri=" . urlencode($my_url) . "&state="
. $_SESSION['state'];
echo("<script> top.location.href='" . $dialog_url . "'</script>");
}
if($_REQUEST['state'] == $_SESSION['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.");
}
?>
最佳答案
要获取用户电子邮件,您需要授予所需的权限,例如电子邮件 ( more )
试试这个..
require_once "facebook.php";
$facebook = new Facebook(array('appId' => '[YOUR_APP_ID]', 'secret' => '[YOUR_SEC_ID]'));
$user_fb = $facebook->getUser();
if($user_fb == 0)
{
$user_fb = $facebook->getUser();
}
if ($user_fb) // Check user's FB user ID has getting or not
{
$user_profile = $facebook->api('/me');
$logoutUrl = $facebook->getLogoutUrl();
echo $user_profile['email'];
echo $user_profile['first_name'];
echo $user_profile['last_name'];
}
else // user's FB user ID has not getting load login url with email permission
{
$perms = array('scope' => 'email');
$loginUrl = $facebook->getLoginUrl($perms);
echo "<script> top.location.href='" . $loginUrl . "'</script>";
}
关于php - 如何通过 php 或 javascript 从 facebook 身份验证示例获取用户电子邮件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/9511117/