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azure-jwt-verify

npm version License: MIT

This Plugin Requires

  • NodeJS Runtime

Features

  • Verify JWT Token issued by Azure Active Directory B2C
  • Automatically use the rotated public key from Azure Public Keys URL

Install Plugin

npm install --save azure-jwt-verify

Using Azure JWT Verify in your code

You need to define the following constants based on your Azure Active Directory B2C application configurations

Initialize module

var azureJWT = require('azure-jwt-verify');

Configuration and the JWT to verify

var jwtToken = "YOUR_JWT_TOKEN_TO_VERIFY"; // You can find this url in Azure Active Directory B2C Section
const config = {
    JWK_URI: "",
    ISS: "",
    AUD: ""
};
  • JWK_URI and the ISS(Issuer) can be obtained from the metadata endpoint of the policies created in the B2C tenant.
  • AUD(Audience) is the Client ID of the application accessing the tenant.

Verify Function

azureJWT.verify(jwtToken, config).then(function(decoded){
// success callback

}, function(error){
// error callback

})

Response Examples

For valid and authorize JWT token.

Response body:

{
   "status": "success",
   "message": {
      "exp": 1486111778,
      "nbf": 1486108178,
      "ver": "1.0",
      "iss": "https://login.microsoftonline.com/9434db1e-33cd-4607-b350-9d947127a5de/v2.0/",
      "sub": "ff8490cb-2bda-4cc8-b801-4a22a8620c59",
      "aud": "dfc54797-efe3-4db3-a1e1-422b4ecf27d7",
      "nonce": "defaultNonce",
      "iat": 1486108178,
      "auth_time": 1486108178,
      "oid": "ff8490cb-2bda-4cc8-b801-4a22a8620c59",
      "name": "jon snow",
      "extension_NIC": "933132325V",
      "emails": [
         "[email protected]"
      ],
      "tfp": "B2C_1_b2c_1_sign_in"
   }
}

For valid but expired JWT token.

Response body:

{
   "status": "error",
   "message": {
      "name": "TokenExpiredError",
      "message": "jwt expired",
      "expiredAt": "2017-02-02T12:30:11.000Z"
   }
}

For invalid JWT token.

Response body:

{
   "status": "error",
   "message": "Error Decoding JWT Token"
}

Links

License

MIT

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