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|   | == Download ==  |   | == Download ==  | 
| − | [http://myweb.cmu.ac.th/supawit.w/cmu.oauth.class.php.zip cmu.oauth.class.php.zip]  | + | [https://myweb.cmu.ac.th/supawit.w/cmu.oauth.class.php.zip cmu.oauth.class.php.zip]  | 
|   |  |   |  | 
|   | == Reference ==  |   | == Reference ==  | 
|   | [https://oauth.cmu.ac.th https://oauth.cmu.ac.th]<br>  |   | [https://oauth.cmu.ac.th https://oauth.cmu.ac.th]<br>  | 
|   | [https://tools.ietf.org/html/rfc6749 https://tools.ietf.org/html/rfc6749]  |   | [https://tools.ietf.org/html/rfc6749 https://tools.ietf.org/html/rfc6749]  | 
		Latest revision as of 09:27, 2 February 2024
Introduction
Authorization Code Flow

from CMU OAuth
Requirement
php_curl
Methods
Constructor
Set Client ID, Client Secret, Redirect URI
Description
| __construct([string $appId, string $clientSecret, string $redirectURI])
 | 
Parameters
| name | 
description
 | 
| appId
 | 
cmu oauth Client ID
 | 
| clientSecret
 | 
cmu oauth Client Secret
 | 
| redirectURI
 | 
cmu oauth Redirect URI
 | 
Return Values
| no return value
 | 
setAppId
set Client ID
Description
| setAppId(string $appid)
 | 
Parameters
| name | 
description
 | 
| appid
 | 
cmu oauth Client ID
 | 
Return Values
| no return value
 | 
setAppSecret
Set Client Secret
Description
| setAppSecret(string $appSecret)
 | 
Parameters
| name | 
description
 | 
| appSecret
 | 
cmu oauth Client Secret
 | 
Return Values
| no return value
 | 
setCallbackUri
Set Redirect URI
Description
| setCallbackUri(string $uri)
 | 
Parameters
| name | 
description
 | 
| uri
 | 
Application Callback / Redirect URI
 | 
Return Values
| no return value
 | 
setScope
Set scope
Description
| setScope(string $scope)
 | 
Parameters
| name | 
description
 | 
| scope
 | 
access token scope name comma separate value
 | 
Return Values
| no return value
 | 
setState
Set state
Return Values
| String
 | 
| Random String
 | 
initOauth
Initial redirect to CMU Oauth for authorization.
Return Values
| no return value
 | 
getAccessTokenAuthCode
Get user's authorized access token for authorization code flow.
Description
| object getAccessTokenAuthCode(string $code)
 | 
Parameters
| name | 
description
 | 
| code
 | 
code that parse by CMU Oauth to redirect URI.
 | 
Return Values
| object
 | 
{
  "access_token": "66822448858031556636", 
  "expires_in": 3600, 
  "refresh_token": "23178027621214615262"
}
 
 | 
getAccessTokenClientCred
Get access token for client credential flow.
Description
| object getAccessTokenClientCred()
 | 
Return Values
| object
 | 
{
  "access_token": "66822448858031556636", 
  "expires_in": 3600, 
  "refresh_token": null
}
 
 | 
Examples
callback.php
<?php
session_start();
// provide your application id,secret and redirect uri
$appId = '';
$appSecret = '';
$callbackUri[5] = 'http://localhost/php5/callback.php';
$callbackUri[7] = 'http://localhost/php7/callback.php';
$scope = 'cmuitaccount.basicinfo';
require('cmu.oauth.class.php');
// new CMU Oauth Instance.
$cmuOauth = new cmuOauth();
// set your application id,secret and redirect uri
$cmuOauth->setAppId($appId);
$cmuOauth->setAppSecret($appSecret);
$cmuOauth->setCallbackUri($callbackUri[PHP_MAJOR_VERSION]);
$cmuOauth->setScope($scope);
if (isset($_GET['error'])) {
	session_destroy();
  exit($_GET['error']);
} elseif(!isset($_GET['code'])){
	//set state
	$_SESSION['oauth2state'] = $cmuOauth->setState();
	// initial redirect to CMU Oauth login page.
	$cmuOauth->initOauth();
// Check given state against previously stored one to mitigate CSRF attack
} elseif(empty($_GET['state']) || (isset($_SESSION['oauth2state']) && $_GET['state'] !== $_SESSION['oauth2state'])){
	if (isset($_SESSION['oauth2state'])) {
		unset($_SESSION['oauth2state']);
	}
	exit('Invalid state');
} else {
	// code parse from CMU Oauth to your redirect uri.
	$code = $_GET['code'];
	// get access token from code.
	$accessToken = $cmuOauth->getAccessTokenAuthCode($code);
  $_SESSION['accessToken']=$accessToken->access_token;
  echo "<pre>";
	var_dump($accessToken);
  echo "</pre>";
  echo "<a href=\"userInfo.php\">View User Info</a>";
  echo "<br>";
  echo "<a href=\"index.php\">Home</a>";
}
?>
 
Download
cmu.oauth.class.php.zip
Reference
https://oauth.cmu.ac.th
https://tools.ietf.org/html/rfc6749