83 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
| <?php
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| 
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| /**
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|  * Authentication API used by server to authenticate a user using a 
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|  * SHARED SECRET (ApiKey)
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|  */
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| class Alternc_Api_Auth_Sharedsecret implements Alternc_Api_Auth_Interface {
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| 
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|     private $db; // PDO object
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| 
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|     const ERR_INVALID_ARGUMENT = 1111801;
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|     const ERR_INVALID_SECRET = 1111802;
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|     const ERR_INVALID_LOGIN = 1111803;
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|     const ERR_DISABLED_ACCOUNT = 1111804;
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|     const ERR_INVALID_AUTH = 1111805;
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| 
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|     /**
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|      * Constructor of the Shared Secret Api Auth
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|      *
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|      * @param $service an Alternc_Api_Service object
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|      * @return create the object
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|      */
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|     function __construct($service) {
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| 
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|         if (!($service instanceof Alternc_Api_Service))
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|             throw new \Exception("Invalid argument (service)", ERR_INVALID_ARGUMENT);
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| 
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|         $this->db = $service->getDb();
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|     }
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| 
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| // __construct
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| 
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|     /**
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|      * Authenticate a user
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|      *
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|      * @param $options options, depending on the auth scheme, including uid for setuid users
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|      *   here, login is the alternc username, and secret is a valid shared secret for this user.
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|      * @return an Alternc_Api_Token
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|      */
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|     function auth($options) {
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| 
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|         if (!isset($options["login"]) || !is_string($options["login"])) {
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|             throw new \Exception("Missing required parameter login", self::ERR_INVALID_ARGUMENT);
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|         }
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|         if (!isset($options["secret"]) || !is_string($options["secret"])) {
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|             throw new \Exception("Missing required parameter secret", self::ERR_INVALID_ARGUMENT);
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|         }
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|         if (!preg_match("#^[0-9a-zA-Z]{32}$#", $options["secret"])) {
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|             return new Alternc_Api_Response(array("code" => self::ERR_INVALID_SECRET, "message" => "Invalid shared secret syntax"));
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|         }
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| 
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|         if (!preg_match("#^[0-9a-zA-Z-]{1,32}$#", $options["login"])) { // FIXME : normalize this on AlternC !!!
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|             return new Alternc_Api_Response(array("code" => self::ERR_INVALID_LOGIN, "message" => "Invalid login"));
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|         }
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| 
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|         $stmt = $this->db->prepare("SELECT m.enabled,m.uid,m.login,m.su FROM membres m, sharedsecret s WHERE s.uid=m.uid AND m.login=? AND s.secret=?;");
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|         $stmt->execute(array($options["login"], $options["secret"]));
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|         $me = $stmt->fetch(PDO::FETCH_OBJ);
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|         if (!$me)
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|             return new Alternc_Api_Response(array("code" => self::ERR_INVALID_AUTH, "message" => "Invalid shared secret"));
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|         if (!$me->enabled)
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|             return new Alternc_Api_Response(array("code" => self::ERR_DISABLED_ACCOUNT, "message" => "Account is disabled"));
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| 
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|         return Alternc_Api_Token::tokenGenerate(
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|                         array("uid" => (int) $me->uid, "isAdmin" => ($me->su != 0)), $this->db
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|         );
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|     }
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| 
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|     /**
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|      * instructions on how to use this Auth class
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|      * @return array("fields" => array("fields to send, required or not"), "description" => "description of this auth")
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|      */
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|     function instructions() {
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|         return array("fields" => array("login" => "AlternC user account", "secret" => "API Key, Shared secrets, valid for this account, stored in sharedsecret table."),
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|             "description" => "Authenticate against an Api Key, also called SharedSecret. distinct from the account's password, can be plenty and revoked independently"
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|         );
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|     }
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| 
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| }
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| 
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| // class Alternc_Api_Auth_Sharedsecret
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| 
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