[TheWitness]

Summary

Part of the fleet-wide CSP-nonce rollout (mirrors the pilot Cacti/plugin_mactrack#374).

1. Version-safe CSP nonce on inline JavaScript. Adds a wrapper
   plugin_<name>_csp_nonce() and applies it to every inline <script> block, so
   pages stay compatible with Cacti's Content-Security-Policy nonce enforcement.
2. Strengthened i18n instruction in .github/copilot-instructions.md — the
   .po/.mo files are never committed (Weblate owns them); only cacti.pot.

Wrapper (cross-version safe)

function plugin_<name>_csp_nonce(): string {
	if (class_exists('CactiSecureHeaders')) {
		return CactiSecureHeaders::getNonceAttribute();
	}

	return '';
}

Emits the per-request nonce="..." on Cacti releases that ship CactiSecureHeaders
(present on both develop and 1.2.x), and '' on older releases — so the tag
stays valid either way. The wrapper lives in the plugin's functions library where one
exists, otherwise in setup.php (loaded on every Cacti page by the plugin loader).

Also

• tests/Unit/CspNonceTest.php covers the empty-string fallback, the string
  return type, and delegation to CactiSecureHeaders.
• Where the plugin emits its own external <script src> / CSS <link>, those go
  through Cacti's get_md5_include_js() / get_md5_include_css() helpers (automatic
  nonce + md5 cache-buster).
• locales/po/cacti.pot regenerated for shifted source line references; the
  per-language .po/.mo catalogs are intentionally not committed.

[Copilot]

Copilot review overview

🟡 Changes recommended

The nonce tests must reliably isolate and execute both supported branches.

Review effort: Lite
Findings: 1

Open (1)

• Isolate Cacti state and test both nonce helper branches · New

What changed in this PR

Adds version-safe CSP nonces to ReportIt inline scripts and strengthens translation artifact guidance.

Changes:

• Adds and applies plugin_reportit_csp_nonce().
• Adds CSP nonce unit coverage.
• Updates POT references, changelog, and Copilot instructions.

File	Summary
view.php	Adds nonces to inline scripts.
tests/​Unit/​CspNonceTest.php	Tests nonce behavior; tests require isolated coverage for both class-available and fallback branches.
templates.php	Adds nonces to inline scripts.
setup.php	Defines the nonce helper.
reportit.php	Adds nonces to inline scripts.
locales/​po/​cacti.pot	Updates generated source references.
CHANGELOG.md	Documents the security change.
.github/​copilot-instructions.md	Strengthens PO/MO handling guidance.

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