Fix client_ip in logger http.handlers.waf

[thelogh]

In addition to the pull request https://github.com/corazawaf/coraza-caddy/pull/184/changes for setting the correct client_ip IP via getClientAddress, the generation of the error log with the correct IP has been left out of the change.

Summary by CodeRabbit

• Bug Fixes
  • Fixed client IP address capture in WAF rule violation logs to ensure accurate security event reporting.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 0cfae586-16aa-4eef-9156-f18a459ab6ff

📥 Commits

Reviewing files that changed from the base of the PR and between 6f7b24b and c38810a.

📒 Files selected for processing (1)

• coraza.go

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📝 Walkthrough

Walkthrough

The PR updates error logging for WAF rule violations in ServeHTTP to derive client IP through the getClientAddress(r) function instead of using r.RemoteAddr directly.

Changes

WAF violation error logging

Layer / File(s)	Summary
Client IP source in violation logging coraza.go	The "WAF rule violation detected" error log now derives client_ip from getClientAddress(r) instead of r.RemoteAddr.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Fix client_ip in logger http.handlers.waf' directly and specifically describes the main change: correcting the client IP source in the WAF logger.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[fzipi]

Can you add tests, please?