francis94c / ci-jwt

libraries/JWT.php

Braces +49 added lines, -16 removed lines

@@ -56,7 +56,9 @@ 
   private $algorithm;
 
   function __construct($params=null) {
-    if ($params != null) $this->init($params);
+    if ($params != null) {
+     $this->init($params);
+    }
     get_instance()->load->splint("francis94c/ci-jwt", "%base64");
   }
   /**
@@ -114,21 +116,33 @@ 
    */
   public function sign(string $secret=null):?string {
     // Checks.
-    if  (count($this->payload) == 0) return null;
+    if  (count($this->payload) == 0) {
+     return null;
+    }
     // $key is $secret.
     $key = $secret ?? $this->secret;
     $this->header["alg"] = $this->header["alg"] ?? ($this->algorithm ?? self::HS512);
     $this->header["typ"] = $this->header["typ"] ?? self::JWT;
     // Generate Issued At Time.
-    if ($this->set_iat) $this->payload["iat"] = $this->payload["iat"] ?? time();
+    if ($this->set_iat) {
+     $this->payload["iat"] = $this->payload["iat"] ?? time();
+    }
     // Auto Expire.
-    if ($this->auto_expire != null && !isset($this->payload["exp"])) $this->payload["exp"] = strtotime($this->auto_expire);
+    if ($this->auto_expire != null && !isset($this->payload["exp"])) {
+     $this->payload["exp"] = strtotime($this->auto_expire);
+    }
     $jwt = base64url_encode(json_encode($this->header));
-    if ($jwt === false) return null;
-    if ($jwt != "") $jwt .= ".";
+    if ($jwt === false) {
+     return null;
+    }
+    if ($jwt != "") {
+     $jwt .= ".";
+    }
     $payload = base64url_encode(json_encode($this->payload));
     $jwt .= $payload;
-    if ($key != "") return $this->sign_token($jwt, $key, $this->header["alg"]);
+    if ($key != "") {
+     return $this->sign_token($jwt, $key, $this->header["alg"]);
+    }
     return $jwt . ".";
   }
   /**
@@ -137,11 +151,17 @@ 
    */
   public function token():?string {
     // Checks.
-    if  (count($this->payload) == 0) return null;
+    if  (count($this->payload) == 0) {
+     return null;
+    }
     // Begin.
     $this->header["alg"] = self::NONE;
-    if ($this->set_iat) $this->payload["iat"] = $this->payload["iat"] ?? time();
-    if ($this->auto_expire != null) $this->payload["exp"] = strtotime($this->auto_expire);
+    if ($this->set_iat) {
+     $this->payload["iat"] = $this->payload["iat"] ?? time();
+    }
+    if ($this->auto_expire != null) {
+     $this->payload["exp"] = strtotime($this->auto_expire);
+    }
     return base64url_encode(json_encode($this->header)) . "." . base64url_encode(json_encode($this->payload)) . ".";
   }
   /**
@@ -151,14 +171,21 @@ 
    * @return bool           [description]
    */
   public function verify(string $jwt, string $secret=null):bool {
-    if (substr_count($jwt, ".") != 2) return false; // Invalid JWT.
+    if (substr_count($jwt, ".") != 2) {
+     return false;
+    }
+    // Invalid JWT.
     $key = $secret ?? $this->secret;
     $parts = explode(".", $jwt);
     $header = json_decode(base64url_decode($parts[0]) ,true);
-    if ($header == null) return false;
+    if ($header == null) {
+     return false;
+    }
     $alg = $header["alg"] ?? self::HS256;
     $payload = json_decode(base64url_decode($parts[1]) ,true);
-    if ($payload == null) return false;
+    if ($payload == null) {
+     return false;
+    }
     if ($parts[2] == "") {
       return $this->allow_unsigned;
     }
@@ -182,9 +209,13 @@ 
   public function decode(string $jwt):bool {
     $parts = explode(".", $jwt);
     $header = json_decode(base64url_decode($parts[0]), true);
-    if ($header === false) return false;
+    if ($header === false) {
+     return false;
+    }
     $payload = json_decode(base64url_decode($parts[1]), true);
-    if ($payload === false) return false;
+    if ($payload === false) {
+     return false;
+    }
     $this->header = $header;
     $this->payload = $payload;
     return true;
@@ -226,7 +257,9 @@ 
    * @return string        Complete JWT.
    */
   private function sign_token(string $token, string $key, string $alg):string {
-    if ($alg == self::NONE) return $token . ".";
+    if ($alg == self::NONE) {
+     return $token . ".";
+    }
     $token = rtrim($token, ".");
     $signature = hash_hmac(self::ALGOS[$alg], $token, $key);
     return $token . "." . $signature;