Dynamic registration support

Added support for the LTI 1.3 dynamic registration process available in Moodle 3.10+
Avoid use of $_REQUEST

src/Jwt/ClientInterface.php

@@ -12,6 +12,13 @@
 interface ClientInterface
 {
 
+    /**
+     * Return an array of supported signature algorithms.
+     *
+     * @return string[]  Array of algorithm names
+     */
+    public static function getSupportedAlgorithms();
+
     /**
      * Check if a JWT is defined.
      *

src/Jwt/FirebaseClient.php

@@ -17,12 +17,24 @@
 class FirebaseClient implements ClientInterface
 {
 
+    const SUPPORTED_ALGORITHMS = array('RS256', 'RS384', 'RS512');
+
     private $jwtString = null;
     private $jwtHeaders = null;
     private $jwtPayload = null;
     private static $lastHeaders = null;
     private static $lastPayload = null;
 
+    /**
+     * Return an array of supported signature algorithms.
+     *
+     * @return string[]  Array of algorithm names
+     */
+    public static function getSupportedAlgorithms()
+    {
+        return self::SUPPORTED_ALGORITHMS;
+    }
+
     /**
      * Check if a JWT is defined.
      *
@@ -219,7 +231,7 @@ public function verify($publicKey, $jku = null)
         $retry = false;
         do {
             try {
-                JWT::decode($this->jwtString, $publicKey, array('RS256', 'RS384', 'RS512'));
+                JWT::decode($this->jwtString, $publicKey, self::SUPPORTED_ALGORITHMS);
                 $ok = true;
             } catch (\Exception $e) {
                 Util::logError($e->getMessage());

src/Jwt/SpomkyLabsClient.php

@@ -25,11 +25,23 @@
 class SpomkyLabsClient implements ClientInterface
 {
 
+    const SUPPORTED_ALGORITHMS = array('RS256', 'RS384', 'RS512');
+
     private $jwe = null;
     private $jwt = null;
     private static $lastHeaders = null;
     private static $lastPayload = null;
 
+    /**
+     * Return an array of supported signature algorithms.
+     *
+     * @return string[]  Array of algorithm names
+     */
+    public static function getSupportedAlgorithms()
+    {
+        return self::SUPPORTED_ALGORITHMS;
+    }
+
     /**
      * Check if a JWT is defined.
      *
@@ -377,7 +389,7 @@ public static function getPublicKey($privateKey)
     /**
      * Get the public JWKS from a key in PEM or JWK format.
      *
-     * @param string $Key              Private or public key in PEM or JWK format
+     * @param string $key              Private or public key in PEM or JWK format
      * @param string $signatureMethod  Signature method
      * @param string $kid              Key ID (optional)
      *

src/Jwt/WebTokenClient.php

@@ -20,12 +20,24 @@
 class WebTokenClient implements ClientInterface
 {
 
+    const SUPPORTED_ALGORITHMS = array('RS256', 'RS384', 'RS512');
+
     private $jwe = null;
     private $jwt = null;
     private $claims = array();
     private static $lastHeaders = null;
     private static $lastPayload = null;
 
+    /**
+     * Return an array of supported signature algorithms.
+     *
+     * @return string[]  Array of algorithm names
+     */
+    public static function getSupportedAlgorithms()
+    {
+        return self::SUPPORTED_ALGORITHMS;
+    }
+
     /**
      * Check if a JWT is defined.
      *

src/Platform.php

@@ -97,7 +97,7 @@ class Platform
     /**
      * The tool proxy.
      *
-     * @var object|null $toolPrixy
+     * @var object|null $toolProxy
      */
     public $toolProxy = null;