authentication with Firebase Auth and JWT

[EvelynBunnyDev]

Authentication with Firebase Auth and JWT

♻️ Current situation & Problem

Please refer to these two discussion posts for context:
https://github.com/orgs/CS342/discussions/78.
https://github.com/orgs/CS342/discussions/83

⚙️ Release Notes

Modifications has been made to Prisma/Chat/ChatView

1. We generated JWT token in app in the signInWithFirebase function: token = try await Auth.auth().currentUser?.getIDToken().
2. Then, the token is sent to the frontend via a URL parameter: if let url = URL(string: "http://localhost:3000?token=\(token)")
   Successful implementation is reflected by passing a JWT token from Swift to the web chat interface, which connects to the python backend and prints "user successfully authenticated via JWT".

📚 Documentation

See in-line documentation

✅ Testing

This codebase has not been thoroughly tested. We will address the stylistic requirements later.

📝 Code of Conduct & Contributing Guidelines

By submitting creating this pull request, you agree to follow our Code of Conduct and Contributing Guidelines:

• I agree to follow the Code of Conduct and Contributing Guidelines.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 37 lines in your changes are missing coverage. Please review.

Project coverage is 37.01%. Comparing base (257bbcd) to head (ac9e452).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #35      +/-   ##
==========================================
+ Coverage   36.20%   37.01%   +0.81%     
==========================================
  Files          43       43              
  Lines        1942     1970      +28     
==========================================
+ Hits          703      729      +26     
- Misses       1239     1241       +2     

Files	Coverage Δ
Prisma/PushNotifications/PushNotifications.swift	8.17% <0.00%> (-0.17%)	⬇️
Prisma/Chat/ChatView.swift	6.53% <0.00%> (-9.26%)	⬇️

... and 3 files with indirect coverage changes

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unneeded