1 files changed, 102 insertions, 0 deletions
diff --git a/library/oauth2/test/OAuth2/Encryption/JwtTest.php b/library/oauth2/test/OAuth2/Encryption/JwtTest.php
new file mode 100644
index 000000000..214eebac8
--- /dev/null
+++ b/library/oauth2/test/OAuth2/Encryption/JwtTest.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace OAuth2\Encryption;
+
+use OAuth2\Storage\Bootstrap;
+
+class JwtTest extends \PHPUnit_Framework_TestCase
+{
+    private $privateKey;
+
+    public function setUp()
+    {
+        $this->privateKey = <<<EOD
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
+EOD;
+    }
+
+    /** @dataProvider provideClientCredentials */
+    public function testJwtUtil($client_id, $client_key)
+    {
+        $jwtUtil = new Jwt();
+
+        $params = array(
+            'iss' => $client_id,
+            'exp' => time() + 1000,
+            'iat' => time(),
+            'sub' => 'testuser@ourdomain.com',
+            'aud' => 'http://myapp.com/oauth/auth',
+            'scope' => null,
+        );
+
+        $encoded = $jwtUtil->encode($params, $this->privateKey, 'RS256');
+
+        // test BC behaviour of trusting the algorithm in the header
+        $payload = $jwtUtil->decode($encoded, $client_key);
+        $this->assertEquals($params, $payload);
+
+        // test BC behaviour of not verifying by passing false
+        $payload = $jwtUtil->decode($encoded, $client_key, false);
+        $this->assertEquals($params, $payload);
+
+        // test the new restricted algorithms header
+        $payload = $jwtUtil->decode($encoded, $client_key, array('RS256'));
+        $this->assertEquals($params, $payload);
+    }
+
+    public function testInvalidJwt()
+    {
+        $jwtUtil = new Jwt();
+
+        $this->assertFalse($jwtUtil->decode('goob'));
+        $this->assertFalse($jwtUtil->decode('go.o.b'));
+    }
+
+    /** @dataProvider provideClientCredentials */
+    public function testInvalidJwtHeader($client_id, $client_key)
+    {
+        $jwtUtil = new Jwt();
+
+        $params = array(
+            'iss' => $client_id,
+            'exp' => time() + 1000,
+            'iat' => time(),
+            'sub' => 'testuser@ourdomain.com',
+            'aud' => 'http://myapp.com/oauth/auth',
+            'scope' => null,
+        );
+
+        // testing for algorithm tampering when only RSA256 signing is allowed
+        // @see https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/
+        $tampered = $jwtUtil->encode($params, $client_key, 'HS256');
+
+        $payload = $jwtUtil->decode($tampered, $client_key, array('RS256'));
+
+        $this->assertFalse($payload);
+    }
+
+    public function provideClientCredentials()
+    {
+        $storage = Bootstrap::getInstance()->getMemoryStorage();
+        $client_id  = 'Test Client ID';
+        $client_key = $storage->getClientKey($client_id, "testuser@ourdomain.com");
+
+        return array(
+            array($client_id, $client_key),
+        );
+    }
+}