ldap-matter/oauth/authorize.php

110 lines
3.7 KiB
PHP

<?php
session_start();
/**
* @author Denis CLAVIER <clavierd at gmail dot com>
* Adapted from Oauth2-server-php cookbook
* @see http://bshaffer.github.io/oauth2-server-php-docs/cookbook/
*/
// include our OAuth2 Server object
require_once __DIR__.'/server.php';
$request = OAuth2\Request::createFromGlobals();
$response = new OAuth2\Response();
// If user has clicked on "not me" link, disconnect him by cleaning PHP SESSION variables.
if ($_POST['disconnect']) {
$_SESSION=array();
}
// Validate the authorize request
if (!$server->validateAuthorizeRequest($request, $response)) {
$response->send();
die;
}
// If user is not yet authenticated, he is redirected.
if (!isset($_SESSION['uid']))
{
// Store the authorize request
$explode_url=explode("/", strip_tags(trim($_SERVER['REQUEST_URI'])));
$_SESSION['auth_page']=end($explode_url);
header('Location: index.php');
exit();
}
// Check if user has already authorized oauth to share data with Mattermost. In this case, user should exist in 'user' table.
if ($server->userExists($_SESSION['uid'])) {
// User had already authorized the client during a previous session.
$is_authorized = true;
}
// Display an authorization form
else if (empty($_POST)) {
exit('
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="./style.css">
<title>Mattermost - LDAP Authorization</title>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css"
integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">
<link href="https://fonts.googleapis.com/css?family=Roboto:300,400" rel="stylesheet">
</head>
<body>
<div id="form-wrapper" style="text-align: center;">
<div id="form_credentials">
<h1>LDAP Authentication</h1>
<div id="form_icon">
<img src="./images/auth_icon.png" alt="authentication icon" >
</div>
<br>
<h2>Authorize Mattermost to get the following data:</h2>
<table>
<tr>
<td>
&nbsp; <strong>Full Name</strong><br/>
&nbsp; <strong>E-mail</strong><br/>
</td>
</tr>
</table>
<br/>
Logged as : <strong>' . $_SESSION['uid'] . ' </strong> <button type="submit" class="link" name="disconnect" value="true" ><span>(not me ?)</span></button>
<br/>
<br/>
<form method="POST">
<input type="submit" value="Authorize" name="authorized" id="input_accept" class="input_field">
<input type="submit" value="Deny" name="authorized" id="input_deny" class="input_field">
</form>
</div>
</div>
</body>
</html>
');
}
else {
// Check if user has authorized to share his data with the client
$is_authorized = ($_POST['authorized'] === 'Authorize');
}
// Print the authorization code if the user has authorized your client
$server->handleAuthorizeRequest($request, $response, $is_authorized,$_SESSION['uid']);
// Authentication process is terminated, session can be destroyed.
$_SESSION=array();
if ($is_authorized)
{
// This is only here so that you get to see your code in the cURL request. Otherwise, we'd redirect back to the client
$code = substr($response->getHttpHeader('Location'), strpos($response->getHttpHeader('Location'), 'code=')+5, 40);
header('Location: ' . $response->getHttpHeader('Location'));
exit();
}
// Send message in case of error
$response->send();