3 files changed, 20 insertions, 2 deletions

diff --git a/server/controllers/static.ts b/server/controllers/static.ts
index df31c3134..63f78b3b3 100644
--- a/server/controllers/static.ts
+++ b/server/controllers/static.ts
@@ -79,6 +79,21 @@ staticRouter.get('/robots.txt',
   }
 )
 
+// security.txt service
+staticRouter.get('/security.txt',
+  (_, res: express.Response) => {
+    return res.redirect(301, '/.well-known/security.txt')
+  }
+)
+
+staticRouter.get('/.well-known/security.txt',
+  asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.SECURITYTXT)),
+  (_, res: express.Response) => {
+    res.type('text/plain')
+    return res.send(CONFIG.INSTANCE.SECURITYTXT + CONFIG.INSTANCE.SECURITYTXT_CONTACT)
+  }
+)
+
 // nodeinfo service
 staticRouter.use('/.well-known/nodeinfo',
   asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.NODEINFO)),
diff --git a/server/initializers/checker.ts b/server/initializers/checker.ts
index 3cc6268cf..9dd104035 100644
--- a/server/initializers/checker.ts
+++ b/server/initializers/checker.ts
@@ -55,7 +55,7 @@ function checkMissedConfig () {
     'import.videos.http.enabled', 'import.videos.torrent.enabled',
     'trending.videos.interval_days',
     'instance.name', 'instance.short_description', 'instance.description', 'instance.terms', 'instance.default_client_route',
-    'instance.default_nsfw_policy', 'instance.robots',
+    'instance.default_nsfw_policy', 'instance.robots', 'instance.securitytxt',
     'services.twitter.username', 'services.twitter.whitelisted'
   ]
   const requiredAlternatives = [
diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index ba8b9b6ed..5b7ea5d6c 100644
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -57,6 +57,7 @@ const OAUTH_LIFETIME = {
 const ROUTE_CACHE_LIFETIME = {
   FEEDS: '15 minutes',
   ROBOTS: '2 hours',
+  SECURITYTXT: '2 hours',
   NODEINFO: '10 minutes',
   DNT_POLICY: '1 week',
   OVERVIEWS: {
@@ -265,7 +266,9 @@ const CONFIG = {
       get JAVASCRIPT () { return config.get<string>('instance.customizations.javascript') },
       get CSS () { return config.get<string>('instance.customizations.css') }
     },
-    get ROBOTS () { return config.get<string>('instance.robots') }
+    get ROBOTS () { return config.get<string>('instance.robots') },
+    get SECURITYTXT () { return config.get<string>('instance.securitytxt') },
+    get SECURITYTXT_CONTACT () { return config.get<string>('admin.email') }
   },
   SERVICES: {
     TWITTER: {