Install Oauth 2.0 Mock Server

This should help testing Oauth 2.0 implementation.

Step-by-step guide

1. Install Node.js (https://nodejs.org/en/).
2. Run CMD as Administrator.
3. Go to Node.js installation folder (usually "Program Files\nodejs").
4. Install NPM using the command "npm i mock-oauth-2-server" (if you are behind a proxy then follow this instruction first https://forum.freecodecamp.org/t/npm-behind-a-proxy-server/19386).

5. Create a server.js as follows:

   const oauth2 = require('mock-oauth-2-server');
   
   const mockData = {
     client: {
       id : 'oauth2_application_client_id',
       secret : 'oauth2_application_secret',
       redirectUris : ['http://localhost:5000/oauth2/redirect/callback'],
       grants: ['authorization_code']
     },
     user: {
       id : '123',
       uuid : 'dkalfyeoiqajaof',
       email: 'brad@email.com'
     },
     jwtSecret: 'jwt_secret_key'
   };
   
   let mock = new oauth2(mockData);
   
   mock.start();

6. Start using command "node server".

Note: to generate access token, use:

 const defaultGenerateAccessToken(client, user, scope) {
  return jwt.sign(user, 'im_a_secret', { algorithm: 'HS512', jwtid: uuid() });
}

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