Add feature flag endpoint

src/app.ts

@@ -55,6 +55,7 @@ import { cacheMiddlware } from "./middleware/etag";
 import { hostHeader } from "./middleware/hostHeader";
 import { getBrandingStats } from "./routes/getBrandingStats";
 import { getTopBrandingUsers } from "./routes/getTopBrandingUsers";
+import { getFeatureFlag } from "./routes/getFeatureFlag";
 
 export function createServer(callback: () => void): Server {
     // Create a service (the app object is just a callback).
@@ -210,6 +211,8 @@ function setupRoutes(router: Router) {
 
     router.post("/api/feature", addFeature);
 
+    router.get("/api/featureFlag/:name", getFeatureFlag);
+
     router.get("/api/generateToken/:type", generateTokenRequest);
     router.get("/api/verifyToken", verifyTokenRequest);
 

src/config.ts

@@ -186,7 +186,8 @@ addDefaults(config, {
         productPermalinks: ["sponsorblock"]
     },
     tokenSeed: "",
-    minUserIDLength: 30
+    minUserIDLength: 30,
+    deArrowPaywall: false
 });
 loadFromEnv(config);
 migrate(config);

src/routes/getFeatureFlag.ts

@@ -0,0 +1,13 @@
+import { config } from "../config";
+import { Request, Response } from "express";
+
+export function getFeatureFlag(req: Request, res: Response): Response {
+    const { params: { name } } = req;
+
+    switch (name) {
+        case "deArrowPaywall":
+            return res.status(200).json({
+                enabled: config.deArrowPaywall,
+            });
+    }
+}

src/types/config.model.ts

@@ -98,7 +98,8 @@ export interface SBSConfig {
         productPermalinks: string[],
     },
     tokenSeed: string,
-    minUserIDLength: number
+    minUserIDLength: number,
+    deArrowPaywall: boolean
 }
 
 export interface WebhookConfig {