Potential solution

To implement Google sign-in functionality, we need to ensure that both the backend and frontend components are correctly configured to handle Google OAuth authentication. This involves setting up the Google OAuth strategy on the backend, defining the necessary routes for authentication, and updating the frontend to initiate the OAuth flow and handle the authentication response.

How to implement

Backend Implementation

1. Configure Google OAuth Strategy

File: config/passport.js

Ensure that the Google OAuth strategy is configured with the correct credentials (clientID, clientSecret, and callbackURL).
Update the credentials with the actual values provided by Google.

const GoogleStrategy = require('passport-google-oauth20').Strategy;
const secrets = require('./secrets');

passport.use(new GoogleStrategy({
  clientID: secrets.google.id,
  clientSecret: secrets.google.secret,
  callbackURL: secrets.oauthCallbacks.googleCallbackUrl
}, (accessToken, refreshToken, profile, done) => {
  // Handle user authentication and creation logic
}));

2. Define Authentication Routes

File: modules/app/routes/auth.js

Ensure routes for initiating Google sign-in and handling the callback are defined.

const express = require('express');
const passport = require('passport');
const router = express.Router();

router.get('/authorize/google', passport.authenticate('google', { scope: ['email'] }));

router.get('/callback/google', passport.authenticate('google', {
  successRedirect: '/',
  failureRedirect: '/signin'
}));

module.exports = router;

Frontend Implementation

1. Define Google Login Actions

File: frontend/src/actions/loginActions.js

Add action types and creators for Google login.

export const AUTHORIZED_GOOGLE_REQUESTED = 'AUTHORIZED_GOOGLE_REQUESTED';
export const AUTHORIZED_GOOGLE_SUCCESS = 'AUTHORIZED_GOOGLE_SUCCESS';
export const AUTHORIZED_GOOGLE_ERROR = 'AUTHORIZED_GOOGLE_ERROR';

const authorizedGoogleRequested = () => ({ type: AUTHORIZED_GOOGLE_REQUESTED, logged: false, completed: false });
const authorizedGoogleSuccess = user => ({ type: AUTHORIZED_GOOGLE_SUCCESS, logged: true, completed: true, user });
const authorizedGoogleError = error => ({ type: AUTHORIZED_GOOGLE_ERROR, logged: false, completed: true, error });

export const authorizeGoogle = () => {
  return dispatch => {
    dispatch(authorizedGoogleRequested());
    window.location.href = `${api.API_URL}/authorize/google`;
  };
};

2. Update Reducer to Handle Google Login

File: frontend/src/reducers/loginReducer.js

Add cases for Google login actions.

import {
  AUTHORIZED_GOOGLE_SUCCESS,
  AUTHORIZED_GOOGLE_ERROR
} from '../actions/loginActions';

export const loggedIn = (state = { logged: false, user: {}, completed: true, error: {} }, action) => {
  switch (action.type) {
    case AUTHORIZED_GOOGLE_SUCCESS:
      return { ...state, logged: true, user: action.user, completed: true };
    case AUTHORIZED_GOOGLE_ERROR:
      return { ...state, logged: false, completed: true, error: action.error };
    default:
      return state;
  }
};

3. Add Google Sign-In Button

File: frontend/src/components/session/provider-login-buttons.tsx

Add a button for Google sign-in and handle its click event.

import React from 'react';
import { Button } from '@material-ui/core';
import GoogleLogo from '../../images/google-logo.png';
import api from '../../consts';

const ProviderLoginButtons = ({ provider }) => (
  <div>
    <Button
      href={`${api.API_URL}/authorize/google`}
      variant='contained'
      color='secondary'
      disabled={provider === 'google'}
    >
      <img width='16' src={GoogleLogo} />
      <span style={{ marginLeft: 10 }}>Google</span>
    </Button>
  </div>
);

export default ProviderLoginButtons;

Explanation

Backend: Configures Google OAuth strategy and defines routes for authentication.
Frontend: Adds actions and reducer cases for handling Google login, and updates the UI to include a Google sign-in button that initiates the OAuth flow.

Click here to create a Pull Request with the proposed solution

Files used for this task:

Changes on config/passport.js

To address the task for the `config/passport.js` file, you need to ensure that the Google OAuth strategy is correctly configured. Here's a step-by-step guide to achieve this: 1. **Verify Google OAuth Strategy Configuration**: - Ensure that the `googleStrategy` is correctly set up with the necessary credentials and callback URL. - Check that `clientID`, `clientSecret`, and `callbackURL` are correctly assigned from your `secrets` configuration. 2. **Update Credentials**: - If not already done, update the `google.id`, `google.secret`, and `oauthCallbacks.googleCallbackUrl` with the actual credentials and callback URL provided by Google for your application. 3. **Handle User Authentication**: - The existing code already handles user existence checks, updates, and creation. Ensure that this logic aligns with your application's requirements. 4. **Error Handling**: - Review the error handling within the Google strategy to ensure it logs meaningful messages and handles errors gracefully. 5. **Testing**: - After making changes, test the Google sign-in flow to ensure that users can authenticate using their Google accounts and that their information is correctly processed. If the current configuration already meets these requirements, no further changes are needed in this file.

Changes on modules/app/routes/auth.js

To implement Google sign-in functionality in the `modules/app/routes/auth.js` file, you need to ensure that the routes for initiating Google sign-in and handling the callback after authentication are correctly set up. Here's a practical proposal for updating this file: 1. **Add Google Authentication Routes:** - Ensure that the routes for Google OAuth are defined. You already have these routes in place, but let's review them for completeness. 2. **Initiate Google Sign-In:** - The route `/authorize/google` is used to initiate the Google sign-in process. It uses `passport.authenticate` with the 'google' strategy and requests the user's email. This is correctly set up in your file. 3. **Handle Google Callback:** - The route `/callback/google` handles the callback from Google after authentication. It uses `passport.authenticate` to process the response. On success, it redirects to the home page (`/`), and on failure, it redirects to the sign-in page (`/signin`). This is also correctly set up in your file. 4. **Ensure Passport Configuration:** - Make sure that the Google OAuth strategy is properly configured in your `config/passport.js` file with the correct client ID, client secret, and callback URL. 5. **Test the Implementation:** - After setting up the routes, test the Google sign-in flow to ensure it works as expected. Check both successful and unsuccessful authentication scenarios. The current implementation in your file already includes the necessary routes for Google sign-in and callback handling. Ensure that the rest of the application, such as the passport configuration and front-end components, are correctly set up to support this functionality.

Changes on frontend/src/actions/loginActions.js

To handle Google login in the `frontend/src/actions/loginActions.js` file, you need to add actions for Google login success and failure, similar to how other login actions are structured. Here's a step-by-step guide: 1. **Define Action Types**: Add new constants for Google login actions. ```javascript export const AUTHORIZED_GOOGLE_REQUESTED = 'AUTHORIZED_GOOGLE_REQUESTED'; export const AUTHORIZED_GOOGLE_SUCCESS = 'AUTHORIZED_GOOGLE_SUCCESS'; export const AUTHORIZED_GOOGLE_ERROR = 'AUTHORIZED_GOOGLE_ERROR'; ``` 2. **Create Action Creators**: Implement functions to dispatch these actions. ```javascript const authorizedGoogleRequested = () => { return { type: AUTHORIZED_GOOGLE_REQUESTED, logged: false, completed: false }; }; const authorizedGoogleSuccess = user => { return { type: AUTHORIZED_GOOGLE_SUCCESS, logged: true, completed: true, user: user }; }; const authorizedGoogleError = error => { return { type: AUTHORIZED_GOOGLE_ERROR, logged: false, completed: true, error: error }; }; ``` 3. **Implement Google Login Function**: Create a function to handle the Google login process, dispatching the appropriate actions based on the outcome. ```javascript export const authorizeGoogle = () => { return dispatch => { dispatch(authorizedGoogleRequested()); // Assuming you have a backend endpoint to handle Google OAuth window.location.href = `${api.API_URL}/connect/google/?token=${Auth.getToken()}`; }; }; ``` 4. **Handle Callback**: Ensure that your application can handle the callback from Google OAuth, updating the user state upon success or failure. This might involve additional setup in your backend to redirect to the appropriate frontend route with the necessary data. By following these steps, you will integrate Google login actions into your Redux flow, allowing your application to handle Google OAuth authentication.

Changes on frontend/src/reducers/loginReducer.js

To update the `loginReducer.js` file to handle actions related to Google login, you need to add new cases for the Google login success and failure actions. This will ensure that the state is updated with user information upon a successful Google login. Here's how you can modify the reducer: 1. **Import Google Login Actions**: First, ensure that you import the Google login success and failure action types from `loginActions.js`. 2. **Add Cases for Google Login**: Add new cases in the reducer to handle these actions and update the state accordingly. Here's an example of how you can implement these changes: ```javascript import { LOGGED_IN_REQUESTED, LOGGED_IN_SUCCESS, LOGGED_IN_ERROR, LOGOUT_REQUESTED, LOGOUT_COMPLETED, SEARCH_USER_SUCCESS, SEARCH_USER_ERROR, GOOGLE_LOGIN_SUCCESS, // Import Google login success action GOOGLE_LOGIN_ERROR // Import Google login error action } from '../actions/loginActions' import { UPDATE_USER_REQUESTED, UPDATE_USER_SUCCESS, UPDATE_USER_ERROR, } from '../actions/userActions' export const loggedIn = (state = { logged: false, user: {}, completed: true, error: {} }, action) => { switch (action.type) { case LOGGED_IN_SUCCESS: return { ...state, logged: action.logged, user: action.user, completed: action.completed } case LOGGED_IN_ERROR: return { ...state, logged: action.logged, completed: action.completed, error: action.error } case LOGGED_IN_REQUESTED: return { ...state, logged: action.logged, completed: action.completed } case GOOGLE_LOGIN_SUCCESS: // Handle Google login success return { ...state, logged: true, user: action.user, completed: true } case GOOGLE_LOGIN_ERROR: // Handle Google login error return { ...state, logged: false, completed: true, error: action.error } case UPDATE_USER_REQUESTED: return { ...state, completed: action.completed } case UPDATE_USER_SUCCESS: return { ...state, user: action.data, completed: action.completed } case UPDATE_USER_ERROR: return { ...state, completed: action.completed, error: action.error } case LOGOUT_REQUESTED: case LOGOUT_COMPLETED: return { ...state, logged: action.logged, completed: action.completed } case SEARCH_USER_SUCCESS: return { ...state, user: action.user } case SEARCH_USER_ERROR: return { ...state, error: action.error } default: return state } } ``` ### Explanation: - **GOOGLE_LOGIN_SUCCESS**: When this action is dispatched, the state is updated to reflect that the user is logged in (`logged: true`), and the user information is stored in the state. - **GOOGLE_LOGIN_ERROR**: When this action is dispatched, the state is updated to reflect that the login attempt failed, and the error information is stored in the state. Make sure that the `GOOGLE_LOGIN_SUCCESS` and `GOOGLE_LOGIN_ERROR` action types are correctly defined and dispatched in your `loginActions.js` file.

Changes on frontend/src/components/session/provider-login-buttons.tsx

To add a Google sign-in button and handle its click event to initiate the OAuth flow in the `ProviderLoginButtons` component, follow these steps: 1. **Import Google Logo**: First, ensure you have a Google logo image available in your project. Import it at the top of the file. ```javascript import GoogleLogo from '../../images/google-logo.png'; ``` 2. **Add Google Sign-In Button**: Add a new button for Google sign-in within the existing button group. This button should initiate the OAuth flow by redirecting the user to the Google authorization endpoint. 3. **Handle Click Event**: The button should have an `onClick` event handler that redirects the user to the Google OAuth URL. This URL should be defined in your backend API. Here's how you can modify the component: ```javascript import React from 'react'; import { Button } from '@material-ui/core'; import { FormattedMessage } from 'react-intl'; import Typography from '@material-ui/core/Typography'; import GithubLogo from '../../images/github-logo.png'; import BitbucketLogo from '../../images/bitbucket-logo.png'; import GoogleLogo from '../../images/google-logo.png'; // Import Google logo import api from '../../consts'; const ProviderLoginButtons = ({ classes = {}, contrast = false, hideExtra = false, provider = undefined, login_strategy = undefined, position = 'center', textPosition = 'center', authorizeGithub, disconnectGithub }) => { const styles = { textAlign: textPosition, marginBottom: 10 } as React.CSSProperties; return ( <> { provider ?

}

); } export default ProviderLoginButtons; ``` ### Explanation: - **Google Logo**: Ensure you have a Google logo image and import it. - **Google Button**: Add a button for Google sign-in with an `href` pointing to your backend's Google OAuth endpoint. - **Disable Logic**: The button is disabled if the user is already connected via Google. This setup assumes that your backend is configured to handle the Google OAuth flow and that the `api.API_URL` is correctly set to point to your backend server.

worknenjoy / gitpay

Testing the AI Autopilot #1155