Difference between revisions of "CMU OAUTH PHP CLASS"
From CMU ITSC Network
| Line 232: | Line 232: | ||
session_start();  | session_start();  | ||
// provide your application id,secret and redirect uri  | // provide your application id,secret and redirect uri  | ||
| − | $appId = '  | + | $appId = '';  | 
| − | $appSecret = '  | + | $appSecret = '';  | 
| − | $callbackUri = '  | + | $callbackUri[5] = 'http://localhost/php5/callback.php';  | 
| + | $callbackUri[7] = 'http://localhost/php7/callback.php';  | ||
| + | $scope = 'cmuitaccount.basicinfo';  | ||
require('cmu.oauth.class.php');  | require('cmu.oauth.class.php');  | ||
| Line 242: | Line 244: | ||
$cmuOauth->setAppId($appId);  | $cmuOauth->setAppId($appId);  | ||
$cmuOauth->setAppSecret($appSecret);  | $cmuOauth->setAppSecret($appSecret);  | ||
| − | $cmuOauth->setCallbackUri($callbackUri);  | + | $cmuOauth->setCallbackUri($callbackUri[PHP_MAJOR_VERSION]);  | 
| + | $cmuOauth->setScope($scope);  | ||
| − | if(!isset($_GET['code'])){  | + | if (isset($_GET['error'])) {  | 
| + | 	session_destroy();  | ||
| + |   exit($_GET['error']);  | ||
| + | } elseif(!isset($_GET['code'])){  | ||
	//set state  | 	//set state  | ||
	$_SESSION['oauth2state'] = $cmuOauth->setState();  | 	$_SESSION['oauth2state'] = $cmuOauth->setState();  | ||
| Line 258: | Line 264: | ||
	exit('Invalid state');  | 	exit('Invalid state');  | ||
} else {  | } else {  | ||
| − | + | 	// code parse from CMU Oauth to your redirect uri.  | |
	$code = $_GET['code'];  | 	$code = $_GET['code'];  | ||
	// get access token from code.  | 	// get access token from code.  | ||
| − | 	$accessToken = $cmuOauth->  | + | 	$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>";  | |
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}  | }  | ||
?>  | ?>  | ||
Revision as of 10:22, 26 February 2018
Introduction
Authorization Code Flow

from CMU OAuth
Requirement
Methods
Constructor
Set Client ID, Client Secret, Redirect URI
| __construct([string $appId, string $clientSecret, string $redirectURI]) | 
| name | description | 
| appId | cmu oauth Client ID | 
| clientSecret | cmu oauth Client Secret | 
| redirectURI | cmu oauth Redirect URI | 
| no return value | 
setAppId
set Client ID
| setAppId(string $appid) | 
| name | description | 
| appid | cmu oauth Client ID | 
| no return value | 
setAppSecret
Set Client Secret
| setAppSecret(string $appSecret) | 
| name | description | 
| appSecret | cmu oauth Client Secret | 
| no return value | 
setCallbackUri
Set Redirect URI
| setCallbackUri(string $uri) | 
| name | description | 
| uri | Application Callback / Redirect URI | 
| no return value | 
setScope
Set scope
| setScope(string $scope) | 
| name | description | 
| scope | access token scope name comma separate value | 
| no return value | 
setState
Set state
| setState() | 
| no parameters | 
| String | 
| Random String | 
initOauth
Initial redirect to CMU Oauth for authorization.
| initOauth() | 
| no parameter | 
| no return value | 
getAccessTokenAuthCode
Get user's authorized access token for authorization code flow.
| object getAccessTokenAuthCode(string $code) | 
| name | description | 
| code | code that parse by CMU Oauth to redirect URI. | 
| object | 
{
  "access_token": "66822448858031556636", 
  "expires_in": 3600, 
  "refresh_token": "23178027621214615262"
}
 | 
getAccessTokenClientCred
Get access token for client credential flow.
| object getAccessTokenClientCred() | 
| no parameter | 
| 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>";
}
?>