成功登录文件fb-callback.php
后,我遇到了重定向问题。这条线不起作用:header("Location: http://website/project/main.php", true, 302);
。我已经在所有var_dump
之前标记了重定向应该有效但是它不会工作它将返回index.php并且在索引之后在浏览器栏中为#_=_
。 PHP。 Cookie从Facebook设置,登录页面也可以。是什么原因造成的?
的index.php
session_start();
require_once __DIR__ . '/facebook-sdk-v5/autoload.php';
$fb = new Facebook\Facebook([
'app_id' => '',
'app_secret' => '',
'default_graph_version' => 'v2.4',
'cookie' => true,
]);
$helper = $fb->getRedirectLoginHelper();
$permissions = ['email', 'user_friends', 'public_profile']; // optional
$loginUrl = $helper->getLoginUrl("http://website/project/fb-callback.php", $permissions);
echo '<a class="ui-btn" href="' . $loginUrl . '" id="fb09">Log in with Facebook!</a>';
FB-callback.php
session_start();
require_once __DIR__ . '/facebook-sdk-v5/autoload.php';
$fb = new Facebook\Facebook([
'app_id' => '',
'app_secret' => '',
'default_graph_version' => 'v2.4',
'cookie' => true,
]);
$helper = $fb->getRedirectLoginHelper();
try {
$accessToken = $helper->getAccessToken();
} catch(Facebook\Exceptions\FacebookResponseException $e) {
// When Graph returns an error
echo 'Graph returned an error: ' . $e->getMessage();
exit;
} catch(Facebook\Exceptions\FacebookSDKException $e) {
// When validation fails or other local issues
echo 'Facebook SDK returned an error: ' . $e->getMessage();
exit;
}
if (! isset($accessToken)) {
if ($helper->getError()) {
header('HTTP/1.0 401 Unauthorized');
echo "Error: " . $helper->getError() . "\n";
echo "Error Code: " . $helper->getErrorCode() . "\n";
echo "Error Reason: " . $helper->getErrorReason() . "\n";
echo "Error Description: " . $helper->getErrorDescription() . "\n";
} else {
header('HTTP/1.0 400 Bad Request');
echo 'Bad request';
}
exit;
}
// Logged in
//echo '<h3>Access Token</h3>';
//var_dump($accessToken->getValue());
// The OAuth 2.0 client handler helps us manage access tokens
$oAuth2Client = $fb->getOAuth2Client();
// Get the access token metadata from /debug_token
$tokenMetadata = $oAuth2Client->debugToken($accessToken);
//echo '<h3>Metadata</h3>';
//var_dump($tokenMetadata);
// Validation (these will throw FacebookSDKException's when they fail)
$tokenMetadata->validateAppId('');
// If you know the user ID this access token belongs to, you can validate it here
// $tokenMetadata->validateUserId('123');
$tokenMetadata->validateExpiration();
if (! $accessToken->isLongLived()) {
// Exchanges a short-lived access token for a long-lived one
try {
$accessToken = $oAuth2Client->getLongLivedAccessToken($accessToken);
} catch (Facebook\Exceptions\FacebookSDKException $e) {
echo "<p>Error getting long-lived access token: " . $helper->getMessage() . "</p>";
exit;
}
//echo '<h3>Long-lived</h3>';
//var_dump($accessToken->getValue());
}
$_SESSION['fb_access_token'] = (string) $accessToken;
// User is logged in with a long-lived access token.
// You can redirect them to a members-only page.
header("Location: http://website/project/main.php", true, 302);
main.php
session_start();
require_once __DIR__ . '/facebook-sdk-v5/autoload.php';
$fb = new Facebook\Facebook([
'app_id' => '',
'app_secret' => '',
'default_graph_version' => 'v2.4',
'cookie' => true,
]);