redirect_uri URL 必须是绝对的 Facebook 登录 PHP SDK
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The redirect_uri URL must be absolute Facebook login PHP SDK
提问by user2232273
I am trying to implement the facebook login in my project in codeigniter.
我正在尝试在我的项目中的 codeigniter 中实现 facebook 登录。
I am using the php sdk.
我正在使用 php sdk。
When I click on the login button, it gives me an error:
当我点击登录按钮时，它给了我一个错误：
The redirect_uri URL must be absolute
What is the problem and how do I fix it?
有什么问题，我该如何解决？
Here is the contents of view/home.php:
以下是内容view/home.php：
<?php if(!$fb_data['me']): ?>
Please login with your FB account:
<a href="<?php echo $fb_data['loginUrl']; ?>">login</a>
<?php else: ?>
<img src="https://graph.facebook.com/<?php
echo $fb_data['uid']; ?>/picture" alt="" class="pic" />
<p>Hi <?php echo $fb_data['me']['name']; ?>,<br />
<a href="<?php
echo site_url('welcome/topsecret'); ?>">
You can access the top secret page</a> or
<a href="<?php echo $fb_data['logoutUrl']; ?>">logout</a> </p>
<?php endif; ?>
Here is the contents of: controler/home.php
以下是内容： controler/home.php
class Home extends CI_Controller {
function __construct()
{
parent::__construct();
$this->load->model('Facebook_model');
}
function index(){
$this->load->model("Concertos_model");
$data['banners'] = $this->Concertos_model->get_banner_data();
$fb_data = $this->session->userdata('fb_data'); // This array contains all the user FB information
$data = array(
'fb_data' => $fb_data,
);
$this->load->view('home', $data);
}
function topsecret()
{
$fb_data = $this->session->userdata('fb_data');
if((!$fb_data['uid']) or (!$fb_data['me']))
{
redirect('home');
}
else
{
$data = array(
'fb_data' => $fb_data,
);
$this->load->view('home', $data);
}
}
}
Contents of: model/Facebook_model.php:
内容：model/Facebook_model.php：
<?php
class Facebook_model extends CI_Model {
public function __construct()
{
parent::__construct();
$config = array(
'appId' => 'xxxxxxxxxxxxxxxxxxx',
'secret' => 'xxxxxxxxxxxxxxxxxxxxxxxxx',
'fileUpload' => true, // Indicates if the CURL based @ syntax for file uploads is enabled.
);
$this->load->library('Facebook', $config);
$user = $this->facebook->getUser();
// We may or may not have this data based on whether the user is logged in.
//
// If we have a $user id here, it means we know the user is logged into
// Facebook, but we don't know if the access token is valid. An access
// token is invalid if the user logged out of Facebook.
$profile = null;
if($user)
{
try {
// Proceed knowing you have a logged in user who's authenticated.
$profile = $this->facebook->api('/me?fields=id,name,link,email');
} catch (FacebookApiException $e) {
error_log($e);
$user = null;
}
}
$fb_data = array(
'me' => $profile,
'uid' => $user,
'loginUrl' => $this->facebook->getLoginUrl(
array(
'scope' => 'email,user_birthday,publish_stream', // app permissions
'redirect_uri' => 'home' // URL where you want to redirect your users after a successful login
)
),
'logoutUrl' => $this->facebook->getLogoutUrl(),
);
$this->session->set_userdata('fb_data', $fb_data);
}
}
Why does facebook return that message and how do I fix it?
为什么 facebook 会返回该消息，我该如何解决？
回答by dev-null-dweller
'redirect_uri' => 'home' // URL where you want to redirect your users after a successful login
You have to provide full URL (starting from http://), not CI page alias. Use site_url('home')instead
您必须提供完整的 URL（从 开始http://），而不是 CI 页面别名。使用site_url('home')替代
