This is an automated email from the ASF dual-hosted git repository. harbs pushed a commit to branch develop in repository https://gitbox.apache.org/repos/asf/royale-asjs.git
The following commit(s) were added to refs/heads/develop by this push: new d75dfac293 Added simple JWT decoder d75dfac293 is described below commit d75dfac2935182bf18cd5849755e56431ac4be0e Author: Harbs <ha...@in-tools.com> AuthorDate: Sun Sep 11 12:41:01 2022 +0300 Added simple JWT decoder --- .../src/main/royale/org/apache/royale/utils/JWT.as | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/JWT.as b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/JWT.as new file mode 100644 index 0000000000..6343545fc9 --- /dev/null +++ b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/JWT.as @@ -0,0 +1,71 @@ +//////////////////////////////////////////////////////////////////////////////// +// +// Licensed to the Apache Software Foundation (ASF) under one or more +// contributor license agreements. See the NOTICE file distributed with +// this work for additional information regarding copyright ownership. +// The ASF licenses this file to You under the Apache License, Version 2.0 +// (the "License"); you may not use this file except in compliance with +// the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +//////////////////////////////////////////////////////////////////////////////// +package org.apache.royale.utils +{ + /** + * JWT (JSON Web Token) is a compact URL-safe means of representing claims to be transferred between two parties. + * More information about JWT can be found at https://jwt.io/ + * This class is used to decode a JWT token. When decoding, the token is stored in three parts: header, data and signature. + * The header and data are stored as JSON objects. The signature is stored as a string. + * + * TODO: This class is not complete. It only decodes the header and data. It does not verify the signature at all. + * It also does not support encoding. We need an HMAC class to create and verify the signature. + * Important reading when this is implemented: + * https://auth0.com/blog/critical-vulnerabilities-in-json-web-token-libraries/ + * + */ + public class JWT + { + public function JWT() + { + + } + public var data:Object; + public var header:Object; + public var signature:String; + + /** + * Decodes a JWT token and stores the header, data and signature in this class. + * @langversion 3.0 + * @playerversion Flash 10.2 + * @playerversion AIR 2.6 + * @productversion Royale 0.9.10 + */ + public static function decode(token:String):JWT{ + var jwt:JWT = new JWT(); + var parts:Array = token.split("."); + jwt.header = JSON.parse(Base64.decodeToString(parts[0])); + jwt.data = JSON.parse(Base64.decodeToString(parts[1])); + jwt.signature = parts[2]; + return jwt; + } + + /** + * TODO: implement this once we have an HMAC implementation + * encode a JWT token + */ + // public static function encode(header:Object, data:Object, secret:String):String + // { + // var headerString:String = Base64.encodeFromString(JSON.stringify(header)); + // var dataString:String = Base64.encodeFromString(JSON.stringify(data)); + // var signature:String = HMAC.hash(secret, headerString + "." + dataString); + // return headerString + "." + dataString + "." + signature; + // } + } +} \ No newline at end of file