Login with google account javascript implementation

Two applications are deployed to Google Cloud as two separate google projects

Java Spring Boot Backend


[login to view URL]

Deployed as App Engine Service

[login to view URL]

Angular front end

[login to view URL]

Deployed as App Engine Service

[login to view URL]

Clicking the button on UI returns the content of

[login to view URL]

I can provide deployment instructions if you need but all the files are there to deploy it to your cloud

This line needs to change to call your URL

[login to view URL]

What needs to be done.

Everything is already deployed. There is no need to solve any deployment problems. Technologies are in the code. Spring and Angular. They are not changing.

Backend google project will be closed by Google Identity Aware Proxy ([login to view URL])

[login to view URL] <--- this backend

UI will stop working.


Angular project needs to be able authorize into backend and return the same data after IAP is enabled.


This ^^^^^ is the main requirement ^^^ Nothing else

Only angular changes needed


Apparently (from the bids I got so far) the is not enough of understanding about Google Identity Aware Proxy.

You have to know what it is before you bid. Please do familiarize yourself with its capabilities.


You have to have Google Cloud Platform account to deploy, ran and test your code changes.

You will have to enable/disable Identity Aware proxy and use the setup described above (two separate google cloud projects) to verify that your code works.

Please do not bid if you are not in position to do so.


There are multiple ways of implementing it.

Could be Firebase

Could be this [login to view URL]

Could be any other way


1. Solution design.

2. Solution implementation on the Angular side.

Ideally you deploy it to your cloud and do work there. Deliver code changes to the repo above.

Detailed design need to get delivered first.


Since I need this urgently I am spelling out work steps.

1. Have google could platform account

2. Create to projects

3. Get java code from repo and deploy Java application (it is trivial. I can give steps if needed. Code is there)

4. Get angluar code from repo, change the URL to your deployed Java project, deploy angular app

5. Verify that Angular Project works the same way as in my deployment.

6. Go to java google project deployment and enable Identity Aware Proxy

7. Verify that Angular now gets a 302 when calling backend

8. Give your google account access to backend in Identity Aware Proxy

9. Verify that Angular still gets a 302 when calling backend

Now your magic starts.

Add code to angular to login as your google account that you added to Identity Aware Proxy

Code calls to backend to have enough information to pass Identity Aware Proxy (that is the main deliverable)

Deploy and test.

You should be able to access backend after logging into Angular front end using your account.

Submit code changes.


Additional notes.

1. App Engine has to be flex (not standard). Flex allows large file sizes. Spring boot jar in over 32mb Standard App Engine file size limit.

2. What is the end goal? I need to control user access to backend by adding/removing users google accounts to Identity Aware Proxy and not have user access control added to the application itself.

This means that, if there is a service account fine, but backend needs to "know" which user is logging in.

Skills: Angular.js, Google App Engine, Google Cloud Platform, Java, Javascript

See more: login to website with google, google login api, login with google php, google sign-in for websites, login with google android, google sign in button, google oauth login, google sign in javascript example

About the Employer:
( 2 reviews ) San Jose, United States

Project ID: #18953231

Awarded to:


How are you doing? I am an expert of Java Spring Boot, angular, and firebase. I have experience of solving this kind of issues for couple of projects before. If you give me a chance I will fix this perfectly. More

$22 USD / hour
(6 Reviews)

27 freelancers are bidding on average $21/hour for this job


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(48 Reviews)

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(20 Reviews)
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(16 Reviews)

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