get-postman-token

auth.js

function getIdToken() {
    const access_token = pm.variables.get('access_token');
    if (!access_token) {
        console.log(`access_token: ${access_token}`)
    } 

    const auth0_client_id = pm.variables.get('auth0_client_id');
    const client_secret = pm.variables.get('client_secret');
    const auth0_domain = pm.variables.get('auth0_domain');

    const user_name = pm.variables.get('user_name');
    const password = pm.variables.get('password');

    const idTokenPayload = {
      url: `https://${auth0_domain}/oauth/token`,
      method: 'POST',
      header: 'Content-Type:application/json',
      body: {
        mode: 'application/json',
        raw: JSON.stringify(
            {
                client_id: auth0_client_id,
                client_secret: client_secret,
                username: user_name,
                password: password,
             	grant_type:'password'
            })
      }
    };
  
    pm.sendRequest(idTokenPayload, function (err, res) {
        if (err === null) {
            var responseJson = res.json();
            console.log(responseJson);
            getAccessToken(responseJson.id_token);
        }
    });
}

function getAccessToken(id_token) {
    const authorization_grant_type = pm.variables.get('authorization_grant_type');
    const api_url = pm.variables.get('api_url');

    const accessTokenPayload = {
      url: `${api_url}/token`,
      method: 'POST',
      header: 'Content-Type:application/x-www-form-urlencoded',
      body: {
        mode: 'urlencoded',
        urlencoded:
            [
                {key: 'assertion', value: id_token},
                {key: 'grant_type', value: authorization_grant_type}
            ]
       }
    };
  
    pm.sendRequest(accessTokenPayload, function (err, res) {
        if (err === null) {
            var responseJson = res.json();
            console.log(responseJson);
            pm.variables.set('access_token', responseJson.access_token);
        }
    });
}
pm.variables.set('getIdToken', getIdToken);