This is a OAUTH2.0 Client Utility application to generate the request token. Please see here for more details : Mastercard Developers. This application illustrates the generation of request token required to connect with the cross-border APIs with oauth2 authentication method.
- Create an account at Mastercard Developers.
- Create a new project and add
Mastercard Cross-Border ServicesAPI to your project. This project will provide access to APIs in sandbox the environment first. - Download signing key(a zip file will get downloaded). These properties and file will be required in utility to generate request token.
- Select .p12 file from zip, copy it to some folder and give its path with filename.
- Open OAUTH2 utility application in IDE and dependencies will be downloaded automatically. Open the maven window,
- Select MasterCard Cross-border Services - Oauth2Token - API
- Select Life cycle
- Run clean and install
| Token Attributes | Significance | Possible Values |
|---|---|---|
| x5t#S256 | Certificate thumbprint | Signature public key |
| kid | Consumer key of cert | Consumer Key which we will get from DevZone |
| cty | Content Type | JWS |
| typ | JOSE object type | JWT |
| alg | JWS Algorithm | RS256 / ES256 |
| nbf | Not before Date | auto populated |
| exp | Expiry date | auto populated |
| iat | Issued At date | auto populated |
| jti | Unique JWT id | JWT Generated id |
Generate a sample token
- Go to project folder, Open Oauth2RequestTokenGeneratorTest.java
- To generate sample token, pass required input parameters.
- Right click on testGenerateToken() method in the class and run. You will get the request token.