v2.11.0

jonasroussel · Aug 26, 2023 · 8b16229 · 8b16229
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 2.11.0
+
+- Removing `basic_utils` package that was incompatible with flutter web
+- Moving utils to `helpers.dart` and key parsing functions into `key_parser.dart`
+- Adding some new examples in `example/example.dart`
+
 ## 2.10.0
 
 - New ECDSA algorithm (ES256K)

diff --git a/example/example.dart b/example/example.dart
@@ -22,6 +22,10 @@ void main() {
   print('----- RSA-PSS SHA-256 -----');
   ps256();
   print('---------------------------\n');
+
+  print('----- RSA Certificate -----');
+  rsaCert();
+  print('---------------------------\n');
 }
 
 // HMAC SHA-256 algorithm
@@ -232,3 +236,46 @@ void ps256() {
     }
   }
 }
+
+// RSA Certificate
+void rsaCert() {
+  String token;
+
+  /* Sign */ {
+    // Create a json web token
+    final jwt = JWT(
+      {
+        'id': 123,
+        'server': {
+          'id': '3e4fc296',
+          'loc': 'euw-2',
+        }
+      },
+      issuer: 'https://github.com/jonasroussel/dart_jsonwebtoken',
+    );
+
+    // Sign it
+    final pem = File('./example/rsa_cert_private.pem').readAsStringSync();
+    final key = RSAPrivateKey(pem);
+
+    token = jwt.sign(key, algorithm: JWTAlgorithm.RS256);
+
+    print('Signed token: $token\n');
+  }
+
+  /* Verify */ {
+    try {
+      // Verify a token
+      final pem = File('./example/rsa_certificate.pem').readAsStringSync();
+      final key = RSAPublicKey.cert(pem);
+
+      final jwt = JWT.verify(token, key);
+
+      print('Payload: ${jwt.payload}');
+    } on JWTExpiredException {
+      print('jwt expired');
+    } on JWTException catch (ex) {
+      print(ex.message); // ex: invalid signature
+    }
+  }
+}
diff --git a/example/rsa_cert_private.pem b/example/rsa_cert_private.pem
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+DAh9glrolBgk8UIOHAHzpFdMqzxAV9n8m2fC3JLgNTI0C5kwsXbryWusVDgthYyM
+kq+W8KbreveVGLegsH1ZvXKMZXtg6pXmE3E58cM0YB4Yvc1WgjbLFvg0iwKBgQCY
+2TdD1/b9BmLzXs0pr3TfKv+Gy/d3XENpTLFacHuRRi8kbTazNZntkGAR1rYqgN+o
+M87om72LO+L19Oywai0LQjR5GgA76kT9OZOvnv6zgXBPlsPUb/h7aKap8rrE/Fkx
+BUQ3kTzxHY5W3esGQdiSk33aMkV2BZa9NvPiG8erdQKBgDlpbRVv3ypjDQxdgccT
+4K0zyWgG0597PXF+wBCV3+1FryarzlBCaSN53daE/s+XzJh8pZEN5zV8SkjKdI+W
+ccDgCZ/FL15OB/AuE6I6/T4g5NWXDqqWt5qMP+SU7oK+IpzpRZyq56SSLCXzvMzk
++PD5J7pSXLRdv9DJURCvZ2ny
+-----END PRIVATE KEY-----
diff --git a/example/rsa_cert_public.pem b/example/rsa_cert_public.pem
@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx69b2rwfqWdHv9L6e38x
+JQ0k9E336wBry76OkFJp/AHczRhIsrVthnmBgTBBp4vyPPf0untElrFamlyY6g5V
+6nn2VMz828n3fVEcGodL3BxSpPmzO2bLzsb5UYSmMMd8GjczpXH3rZQeYaRQoh6L
+aFCS/bG1Y6AcjG7NwUD/O4A0kQH5IHTYcre90HuJsZVwaOwMvt3USyWZlSHoCQ0N
+ircZbINuZ2J/OH6TkB5c6FOATEikWb1X5SlG5SZZacFxEw7w+dhZbyE3qNqnXk2n
+qwVJTllQGA99YSc3z1CMp7eC2e5OqH+95ZAR/d2TnFX2HsghrbeHxjDSYiccYx5F
+ZwIDAQAB
+-----END PUBLIC KEY-----
diff --git a/example/rsa_certificate.pem b/example/rsa_certificate.pem
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/lib/src/algorithms.dart b/lib/src/algorithms.dart
@@ -8,7 +8,7 @@ import 'package:pointycastle/pointycastle.dart' as pc;
 
 import 'exceptions.dart';
 import 'keys.dart';
-import 'utils.dart';
+import 'helpers.dart';
 
 abstract class JWTAlgorithm {
   /// HMAC using SHA-256 hash algorithm

diff --git a/lib/src/utils.dart → lib/src/helpers.dart b/lib/src/utils.dart → lib/src/helpers.dart
@@ -1,5 +1,4 @@
 import 'dart:convert';
-
 import 'dart:typed_data';
 
 final jsonBase64 = json.fuse(utf8.fuse(base64Url));
@@ -90,18 +89,11 @@ BigInt bigIntFromBytes(Uint8List bytes) {
   return bytes.fold(BigInt.zero, (a, b) => a * _b256 + BigInt.from(b));
 }
 
-Uint8List hexToUint8List(String hex) {
-  if (hex.length % 2 != 0) {
-    throw 'Odd number of hex digits';
-  }
-  var l = hex.length ~/ 2;
-  var result = Uint8List(l);
-  for (var i = 0; i < l; ++i) {
-    var x = int.parse(hex.substring(2 * i, 2 * (i + 1)), radix: 16);
-    if (x.isNaN) {
-      throw 'Expected hex string';
-    }
-    result[i] = x;
+List<String> chunkString(String s, int chunkSize) {
+  var chunked = <String>[];
+  for (var i = 0; i < s.length; i += chunkSize) {
+    var end = (i + chunkSize < s.length) ? i + chunkSize : s.length;
+    chunked.add(s.substring(i, end));
   }
-  return result;
+  return chunked;
 }
diff --git a/lib/src/jwt.dart b/lib/src/jwt.dart
@@ -7,7 +7,7 @@ import 'package:collection/collection.dart';
 import 'algorithms.dart';
 import 'exceptions.dart';
 import 'keys.dart';
-import 'utils.dart';
+import 'helpers.dart';
 
 class JWT {
   /// Verify a token.