waf: add SkipProcessing() helper

[blotus]

Add a new SkipProcessing(reason) helper to return early before evaluating any rules, without dropping the request (counterpart of DropRequest(reason)).

If SkipProcessing() and DropRequest() are called in the same reques, the 1st one will win.

[github-actions]

@blotus: There are no 'kind' label on this PR. You need a 'kind' label to generate the release automatically.

• /kind feature
• /kind enhancement
• /kind refactoring
• /kind fix
• /kind chore
• /kind dependencies

Details

I am a bot created to help the crowdsecurity developers manage community feedback and contributions. You can check out my manifest file to understand my behavior and what I can do. If you want to use this for your project, you can check out the BirthdayResearch/oss-governance-bot repository.

[github-actions]

@blotus: There are no area labels on this PR. You can add as many areas as you see fit.

• /area agent
• /area local-api
• /area cscli
• /area appsec
• /area security
• /area configuration

Details

I am a bot created to help the crowdsecurity developers manage community feedback and contributions. You can check out my manifest file to understand my behavior and what I can do. If you want to use this for your project, you can check out the BirthdayResearch/oss-governance-bot repository.

[blotus]

/kind enhancement
/area appsec

[codecov]

Codecov Report

❌ Patch coverage is 76.19048% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 64.72%. Comparing base (909b515) to head (c76dee0).

Files with missing lines	Patch %	Lines
pkg/appsec/appsec.go	77.14%	12 Missing and 4 partials ⚠️
pkg/acquisition/modules/appsec/appsec_runner.go	75.00%	1 Missing and 1 partial ⚠️
pkg/appsec/waf_helpers.go	33.33%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4667   +/-   ##
=======================================
  Coverage   64.71%   64.72%           
=======================================
  Files         522      522           
  Lines       39862    39913   +51     
=======================================
+ Hits        25798    25834   +36     
- Misses      11663    11676   +13     
- Partials     2401     2403    +2     

Flag	Coverage Δ
bats	41.07% <17.85%> (-0.02%)	⬇️
unit-linux	41.98% <76.19%> (+<0.01%)	⬆️
unit-windows	30.50% <13.09%> (-0.01%)	⬇️

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