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nginx : en-têtes de sécurité dans chaque location, CSP, HSTS, TLS 1.2+
X-Frame-Options ALLOWALL (invalide) et X-XSS-Protection retirés. Les location qui posent leur propre add_header répètent la liste complète, sinon nginx n'hérite de rien. CSP de l'app et de la landing construites depuis ce que chargent les builds (PostHog, YouTube sans cookie, OpenStreetMap, blob:, iframe de démo). Prod seulement : HSTS avec includeSubDomains, ssl_protocols TLSv1.2 TLSv1.3. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -1,3 +1,42 @@
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# ─── En-têtes de sécurité ─────────────────────────────────────────────────────
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#
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# nginx n'hérite des add_header du niveau server que dans les location qui n'en déclarent aucun.
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# Toute location qui pose son propre add_header (Cache-Control par exemple) répète donc la liste
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# complète. Les politiques longues sont rangées dans des variables (map) pour ne pas les recopier.
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#
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# CSP de l'application (app.parenthese.io), sources autorisées :
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# script-src, connect-src https://*.posthog.com, analytics (VITE_POSTHOG_HOST = us.i.posthog.com,
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# extensions chargées depuis us-assets.i.posthog.com ; forme recommandée par PostHog)
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# connect-src 'self' appels /api, /auth, /trees
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# style-src 'unsafe-inline' styles posés en ligne par React et par posthog-js
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# img-src data: blob: aperçu d'une photo avant envoi (URL.createObjectURL), images en data:
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# font-src 'self' data: polices servies par le site (Vite peut en inliner une petite en data:)
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# media-src blob: lecture locale d'un fichier avant envoi
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# worker-src blob: compression des enregistrements posthog-js
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# frame-src 'self' pour les PDF servis par /api, YouTube sans cookie, carte OpenStreetMap
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# frame-ancestors la landing parenthese.io intègre l'app en iframe
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map $host $parenthese_app_csp {
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default "default-src 'self'; script-src 'self' https://*.posthog.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self' data:; connect-src 'self' https://*.posthog.com; media-src 'self' blob:; worker-src 'self' blob:; frame-src 'self' https://www.youtube-nocookie.com https://www.openstreetmap.org; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'self' https://parenthese.io https://www.parenthese.io";
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}
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# CSP de la landing (parenthese.io), sources autorisées :
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# script-src 'sha256-...' script en ligne du <head> (animation du logo, dans index.html et en/index.html).
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# S'il change, recalculer l'empreinte : base64(sha256(contenu exact entre
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# <script> et </script>)), sinon l'animation ne se joue plus (sans autre effet).
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# posthog comme pour l'app
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# style-src 'unsafe-inline' attributs style du rendu serveur React
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# frame-src démonstration de l'app en iframe
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# frame-ancestors 'none' équivalent de X-Frame-Options DENY
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map $host $parenthese_landing_csp {
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default "default-src 'self'; script-src 'self' 'sha256-Av5a1/yoW/tQ2ZQWqH5FnaL896Bubcs9ivdFvsKZBrU=' https://*.posthog.com; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:; connect-src 'self' https://*.posthog.com; worker-src 'self' blob:; frame-src https://app.parenthese.io; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'";
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}
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# Réponses de l'API relayées (JSON, médias des familles) : intégrables seulement par l'app (PDF en iframe).
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map $host $parenthese_api_csp {
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default "frame-ancestors 'self' https://parenthese.io https://www.parenthese.io";
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}
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# ─── app.parenthese.io ────────────────────────────────────────────────────────
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server {
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@@ -7,18 +46,22 @@ server {
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}
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server {
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# « listen ... http2 » gardé : la directive « http2 on; » demande nginx 1.25.1 ou plus, et la version
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# installée sur le VPS n'est pas écrite dans le dépôt (Ubuntu 24.04 livre la 1.24). À passer en
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# « listen 443 ssl; » + « http2 on; » une fois « nginx -v » vérifié.
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listen 443 ssl http2;
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server_name app.parenthese.io;
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ssl_certificate /etc/letsencrypt/live/app.parenthese.io/fullchain.pem;
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ssl_certificate_key /etc/letsencrypt/live/app.parenthese.io/privkey.pem;
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ssl_protocols TLSv1.2 TLSv1.3;
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# Security headers
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# frame-ancestors allows the landing page (parenthese.io) to embed the app in an iframe
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add_header Content-Security-Policy "frame-ancestors 'self' https://parenthese.io https://www.parenthese.io" always;
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# Hérités par les location sans add_header, c'est-à-dire les routes relayées vers l'API
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add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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add_header Content-Security-Policy $parenthese_api_csp always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header X-XSS-Protection "1; mode=block" always;
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add_header Referrer-Policy "strict-origin-when-cross-origin" always;
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add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
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gzip on;
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gzip_vary on;
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@@ -70,20 +113,21 @@ server {
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try_files $uri $uri/ /index.html;
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add_header Cache-Control "no-cache, no-store, must-revalidate" always;
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add_header Pragma "no-cache" always;
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add_header Content-Security-Policy "frame-ancestors 'self' https://parenthese.io https://www.parenthese.io" always;
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# Keep embedding control in CSP; override any inherited SAMEORIGIN frame header.
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add_header X-Frame-Options "ALLOWALL" always;
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add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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add_header Content-Security-Policy $parenthese_app_csp always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header X-XSS-Protection "1; mode=block" always;
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add_header Referrer-Policy "strict-origin-when-cross-origin" always;
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add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
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}
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location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
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expires 30d;
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add_header Cache-Control "public, immutable";
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add_header Content-Security-Policy "frame-ancestors 'self' https://parenthese.io https://www.parenthese.io" always;
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add_header X-Frame-Options "ALLOWALL" always;
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add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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add_header Content-Security-Policy $parenthese_app_csp always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header Referrer-Policy "strict-origin-when-cross-origin" always;
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add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
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}
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}
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@@ -101,6 +145,8 @@ server {
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server_name www.parenthese.io;
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ssl_certificate /etc/letsencrypt/live/parenthese.io/fullchain.pem;
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ssl_certificate_key /etc/letsencrypt/live/parenthese.io/privkey.pem;
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ssl_protocols TLSv1.2 TLSv1.3;
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add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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return 301 https://parenthese.io$request_uri;
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}
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@@ -110,10 +156,13 @@ server {
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ssl_certificate /etc/letsencrypt/live/parenthese.io/fullchain.pem;
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ssl_certificate_key /etc/letsencrypt/live/parenthese.io/privkey.pem;
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ssl_protocols TLSv1.2 TLSv1.3;
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add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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add_header Content-Security-Policy $parenthese_landing_csp always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header X-XSS-Protection "1; mode=block" always;
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add_header Referrer-Policy "strict-origin-when-cross-origin" always;
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add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
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add_header X-Frame-Options "DENY" always;
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gzip on;
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@@ -129,7 +178,11 @@ server {
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try_files $uri $uri/ /index.html;
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add_header Cache-Control "no-cache, no-store, must-revalidate" always;
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add_header Pragma "no-cache" always;
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add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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add_header Content-Security-Policy $parenthese_landing_csp always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header Referrer-Policy "strict-origin-when-cross-origin" always;
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add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
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add_header X-Frame-Options "DENY" always;
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}
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@@ -137,5 +190,11 @@ server {
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location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
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expires 30d;
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add_header Cache-Control "public, immutable";
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add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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add_header Content-Security-Policy $parenthese_landing_csp always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header Referrer-Policy "strict-origin-when-cross-origin" always;
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add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
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add_header X-Frame-Options "DENY" always;
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}
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}
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@@ -1,6 +1,16 @@
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# nginx du service `web` (docker compose). Dérivé de deploy/nginx.conf (prod app.parenthese.io) :
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# même origine, /api/* réécrit en /* vers l'API, /auth, /trees et /health relayés tels quels,
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# fallback SPA. Pas de TLS ici : placez un reverse proxy HTTPS devant si vous exposez sur Internet.
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# fallback SPA. Pas de TLS ici : placez un reverse proxy HTTPS devant si vous exposez sur Internet
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# (c'est lui qui posera Strict-Transport-Security).
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#
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# nginx n'hérite des add_header du niveau server que dans les location qui n'en déclarent aucun :
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# les location qui posent leur propre add_header répètent la liste complète.
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#
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# CSP de l'application : même politique que la production (deploy/nginx.conf, sources expliquées là-bas),
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# sans PostHog (l'image ne reçoit pas de clé d'analytics) et sans intégration par un autre site.
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map $host $parenthese_app_csp {
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default "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self' data:; connect-src 'self'; media-src 'self' blob:; worker-src 'self' blob:; frame-src 'self' https://www.youtube-nocookie.com https://www.openstreetmap.org; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'self'";
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}
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server {
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listen 80;
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@@ -14,9 +24,12 @@ server {
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gzip_min_length 1024;
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gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript image/svg+xml;
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# Hérités par les location sans add_header, c'est-à-dire les routes relayées vers l'API
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add_header Content-Security-Policy "frame-ancestors 'self'" always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header X-Frame-Options "SAMEORIGIN" always;
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add_header Referrer-Policy "strict-origin-when-cross-origin" always;
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add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
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location /api/ {
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rewrite ^/api(/.*)$ $1 break;
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@@ -60,15 +73,20 @@ server {
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try_files $uri $uri/ /index.html;
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add_header Cache-Control "no-cache, no-store, must-revalidate" always;
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add_header Pragma "no-cache" always;
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add_header Content-Security-Policy $parenthese_app_csp always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header X-Frame-Options "SAMEORIGIN" always;
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add_header Referrer-Policy "strict-origin-when-cross-origin" always;
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add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
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}
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location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
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expires 30d;
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add_header Cache-Control "public, immutable";
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add_header Content-Security-Policy $parenthese_app_csp always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header X-Frame-Options "SAMEORIGIN" always;
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add_header Referrer-Policy "strict-origin-when-cross-origin" always;
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add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
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}
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}
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