Google OAuth Authentication

OAuth is a standard for authorisation in the field of technology, which allows users to authorise an app or service to sign in to another without revealing sensitive information such as usernames or passwords. The OAuth 2.0 protocol is used for authentication and authorisation with Google APIs.

Step-by-Step Process

1. Sign in or create an account on Google Cloud Platform
2. Click Select a Project

3. Press New Project

4. Fill in the Project Name field

5. When you are done, click Create

6. In Notifications, click Create Project: Invent ERP

7. Click on the Navigation menu (3 horizontal bars) in the top left corner

8. Click APIs & Services then OAuth consent screen

9. Choose a User Type, Select Either Internal or External.

10. After that, press Create

11. Fill the App Name field under App Information

12. Fill the User support email field under App Information

13. Click Add Domain

14. Click Authorized domain 1 and enter a domain for example Invent ERP’s website

15. Press on Email addresses

16. After that, click on Save and Continue

17. Press on Save and Continue again

18. If you chose the External under User Type then you will continue to Test Users. Click Add users

19. Fill in the blank under Add Users

20. Then click Add

21. Click Save and continue

22. Select Back to dashboard

23. When you are all done, simply press Publish App

Navigate to Invent ERP

24. Using the left sidebar menu, under Configuration select Settings

25. Then click on Technical then choose Mail Server then Mail Servers.

26. Press Add in the top right corner

27. Fill in the Mail Server Description field

28. Choose Gmail OAuth Authentication in the Authenticate Using drop-down menu

29. Click on Copy

30. Navigate to (console.cloud.google.com)

31. Select Credentials

32. Then Press Create Credentials

33. Choose OAuth client ID

34. Select Application Type

35. In the Name field, enter Invent

36. Click on Add URL

37. Paste the URL you copied earlier from Invent ERP

38. Then Press Create

39. The next step is to click Copy Client ID

40. Navigate back to the Invent ERP Mail Server page as shown previously.

41. Paste the Client ID that you copied previously.

42. Navigate back to (console.cloud.google.com)

43. Then click Copy client secret

44. Now head back to the Invent ERP Mail Server page, and paste the Client Secret

45. Now Fill in the Username field with the email address you used on your Google Cloud

46. Press Create

47. After creating it, scroll down and press on Connect your Gmail account

48. The next step is to switch to (accounts.google.com) and log in to your gmail account. Ensure that it is the same email you have used to log in into Google Cloud

49. If you get the message Google hasn’t verified this app, click on Advanced

50. Click Go to inventerp.com (unsafe)

51. Click Continue

52. Click Continue

53. It will automatically switch to Invent ERP’s website. Ensure that Token Valid is displayed on your screen. Scroll up and click Test Connection then you should see the popup message success and you are all done.