Imported Exceptions and JwtHandler

app/auth/Exceptions.php

+<?php namespace Auth;
+
+/**
+ * Specific Custom Exception to handle UnauthenticatedException (401)
+ */
+class UnauthenticatedException extends \Exception {};
+
+/**
+ * Specific Custom Exception to handle UnauthorizedException (403)
+ */
+class UnauthorizedException extends \Exception {};
\ No newline at end of file

app/auth/JwtHandler.php

+<?php namespace Auth;
+
+
+use \Firebase\JWT\JWT;
+
+
+
+/**
+ * Class which implements token coder/decoder using Firebase JWT
+ */
+class JwtHandler {
+    const TOKEN_PASSPHRASE = "iutsd";  // Const used to encode the token 
+
+    protected $jwt_secrect;
+    protected $token;
+    protected $issuedAt;
+    protected $expire;
+    protected $jwt;
+
+    /**
+     * Class constructor
+     */
+    public function __construct()
+    {
+        // set token's issue date (creation date)
+        $this->issuedAt = time();
+        
+        // Token Validity (3600 second = 1hr)
+        $this->expire = $this->issuedAt + 3600;
+
+        // Set your secret or signature
+        $this->jwt_secrect = self::TOKEN_PASSPHRASE;
+    }
+
+    /**
+     * Method to encode the token using : 
+     *   - $iss : issuer string
+     *   - $data : data array that you want to encode in the token
+     */ 
+    public function _jwt_encode_data($iss,$data){
+
+        $this->token = array(
+            //Adding the identifier to the token (who issue the token)
+            "iss" => $iss,
+            "aud" => $iss,
+            // Adding the current timestamp to the token, for identifying that when the token was issued.
+            "iat" => $this->issuedAt,
+            // Token expiration
+            "exp" => $this->expire,
+            // Payload
+            "data"=> $data
+        );
+
+        $this->jwt = JWT::encode($this->token, $this->jwt_secrect);
+        return $this->jwt;
+
+    }
+    
+    /**
+     * Method to decode the token using : 
+     *   - $jwt_token : the token :)
+
+     * Throw Exceptions :
+     *   - ExpiredException
+     *   - SignatureInvalidException
+     *   - BeforeValidException
+     *   - DomainException
+     *   - UnexpectedValueException
+
+     */ 
+    public function _jwt_decode_data($jwt_token){
+        try{
+            $decode = JWT::decode($jwt_token, $this->jwt_secrect, array('HS256'));
+            
+            return $decode->data;
+        }
+        catch(\Firebase\JWT\ExpiredException $e){
+            throw $e;
+        }
+        catch(\Firebase\JWT\SignatureInvalidException $e){
+            throw $e;
+        }
+        catch(\Firebase\JWT\BeforeValidException $e){
+            throw $e;
+        }
+        catch(\DomainException $e){
+            throw $e;
+        }
+        catch(\InvalidArgumentException $e){
+            throw $e;
+        }
+        catch(\UnexpectedValueException $e){
+            throw $e;
+        }
+
+    }
+}
\ No newline at end of file