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2 changes: 1 addition & 1 deletion index.html
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
<!-- CSP Phase 1 : aucune requête externe. Phase 2 ajoutera accounts.google.com, apis.google.com, www.googleapis.com ; Phase 4 *.supabase.co. -->
<meta
http-equiv="Content-Security-Policy"
content="default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data: blob:; font-src 'self'; connect-src 'self'; manifest-src 'self'; worker-src 'self'; object-src 'none'; base-uri 'self'; form-action 'none'"
content="default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data: blob:; font-src 'self'; connect-src 'self'; manifest-src 'self'; worker-src 'self'; object-src 'none'; base-uri 'none'; form-action 'none'"
/>
<meta name="referrer" content="strict-origin-when-cross-origin" />
<title>Control Vault</title>
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2 changes: 1 addition & 1 deletion public/_headers
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
# Toute modification de ce fichier est une modification de sécurité : revue humaine obligatoire.

/*
Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data: blob:; font-src 'self'; connect-src 'self'; manifest-src 'self'; worker-src 'self'; object-src 'none'; base-uri 'self'; form-action 'none'; frame-ancestors 'none'
Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data: blob:; font-src 'self'; connect-src 'self'; manifest-src 'self'; worker-src 'self'; object-src 'none'; base-uri 'none'; form-action 'none'; frame-ancestors 'none'
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin
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4 changes: 3 additions & 1 deletion scripts/security-check.ts
Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,9 @@ export function checkCsp(csp: string, opts: { requireFrameAncestors: boolean }):
if (/'unsafe-inline'/.test(script)) problems.push("'unsafe-inline' interdit dans script-src");
if (/(^|\s)\*(\s|;|$)/.test(csp)) problems.push('joker * interdit');
if (!dir('object-src')?.includes("'none'")) problems.push("object-src 'none' requis");
if (!dir('base-uri')) problems.push('base-uri requis');
const base = dir('base-uri');
if (!base) problems.push('base-uri requis');
else if (base.split(/\s+/).join(' ') !== "base-uri 'none'") problems.push("base-uri 'none' requis");
if (opts.requireFrameAncestors && !dir('frame-ancestors')?.includes("'none'")) problems.push("frame-ancestors 'none' requis");
return problems;
}
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6 changes: 6 additions & 0 deletions tests/unit/security-check.test.ts
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,12 @@ describe('détection de secrets', () => {
});

describe('CSP', () => {
it.each(["'self'", 'https://fixture.invalid', "'none' 'self'"])(
'refuse une base de document autorisée : %s', (base) => {
expect(checkCsp(`default-src 'self'; script-src 'self'; object-src 'none'; base-uri ${base}`,
{ requireFrameAncestors: false })).toContain("base-uri 'none' requis");
});

it('refuse unsafe-eval, unsafe-inline dans script-src et le joker', () => {
expect(checkCsp("default-src 'self'; script-src 'self' 'unsafe-eval'; object-src 'none'; base-uri 'self'", { requireFrameAncestors: false })).toContain("'unsafe-eval' interdit");
expect(checkCsp("default-src 'self'; script-src 'self' 'unsafe-inline'; object-src 'none'; base-uri 'self'", { requireFrameAncestors: false })).toContain("'unsafe-inline' interdit dans script-src");
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