Actions Artifacts v4 backend

[ChristopherHX]

A pretty insecure backport with stubs and removed checks

I'm the original author of most code in artifacts_v4.go and the dumped proto code

jwt code is from the gitea project

Use at your own risk

If you want tests, someone else need to take this over.

Tests for the full Gitea Implementation can be found here: go-gitea/gitea#28965

Fixes #2135

dumped proto file has been deleted, because I'm not going to make changes to that file to satisfy the linter

[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ EDITORCONFIG	editorconfig-checker	11		0	0.05s
✅ REPOSITORY	gitleaks	yes		no	2.34s
✅ REPOSITORY	git_diff	yes		no	0.01s
✅ REPOSITORY	grype	yes		no	7.45s
✅ REPOSITORY	secretlint	yes		no	1.08s
✅ REPOSITORY	trivy-sbom	yes		no	0.63s
✅ REPOSITORY	trufflehog	yes		no	4.51s
⚠️ YAML	prettier	1		1	0.28s
✅ YAML	v8r	1		0	1.48s

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[ChristopherHX]

@TWiStErRob @zdenardi it's now your turn to test this if this satisfies your needs.

The following works (* christopherhx/gitea- works on GHES (currently only gitea), for GitHub.com you can use the official actions)

on:
  push:
jobs:
  _5:
    runs-on: ubuntu-latest
    steps: 
    - run: env
    - run: |
        github:
        ${{ tojson(github) }}
        inputs:
        ${{ tojson(inputs) }}
        matrix:
        ${{ tojson(matrix) }}
        needs:
        ${{ tojson(needs) }}
        strategy:
        ${{ tojson(strategy) }}            
      shell: cp {0} context.txt
    - uses: christopherhx/gitea-upload-artifact@v4
      with:
        name: test
        path: context.txt

    - uses: christopherhx/gitea-download-artifact@v4
      with:
        name: test
        path: out
    - run: cat out/context.txt

For anything else someone need to take this over. I'm more satisfied by full client + server reimplementations of actions with authentication, instead of a pseudo server like for act cli.

[codecov]

Codecov Report

Attention: Patch coverage is 72.62774% with 75 lines in your changes are missing coverage. Please review.

Project coverage is 76.35%. Comparing base (5a80a04) to head (f2df8ec).
Report is 71 commits behind head on master.

Files	Patch %	Lines
pkg/artifacts/arifacts_v4.go	72.56%	38 Missing and 24 partials ⚠️
pkg/common/auth.go	69.04%	7 Missing and 6 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #2224       +/-   ##
===========================================
+ Coverage   61.56%   76.35%   +14.78%     
===========================================
  Files          53       61        +8     
  Lines        9002     7777     -1225     
===========================================
+ Hits         5542     5938      +396     
+ Misses       3020     1286     -1734     
- Partials      440      553      +113     

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[TWiStErRob]

Awesome! I can confirm this works (I grabbed the executable artifact from https://github.com/nektos/act/actions/runs/7959602137).
Will need to adjust some scripts because of the way artifact upload works, but looks as expected:

Before	After