add upload rate limiter per IP to backend.

Nest throttler with nullcart-style default profile and upload override via throttleProfiles.

backend/src/config/validate.ts

@@ -75,6 +75,18 @@ class EnvironmentVariables {
     @Max(3650)
     NEVER_MODE_INACTIVITY_DAYS: number;
 
+    @IsNotEmpty()
+    @IsNumber()
+    @Min(1000)
+    @Max(3_600_000)
+    THROTTLE_TTL_MS: number;
+
+    @IsNotEmpty()
+    @IsNumber()
+    @Min(1)
+    @Max(1_000_000)
+    THROTTLE_LIMIT: number;
+
     @IsNotEmpty()
     @IsNumber()
     @Min(1000)
@@ -86,30 +98,6 @@ class EnvironmentVariables {
     @Min(1)
     @Max(10_000)
     THROTTLE_UPLOAD_LIMIT: number;
-
-    @IsNotEmpty()
-    @IsNumber()
-    @Min(1000)
-    @Max(3_600_000)
-    THROTTLE_HOTLINK_PER_IP_TTL_MS: number;
-
-    @IsNotEmpty()
-    @IsNumber()
-    @Min(1)
-    @Max(1_000_000)
-    THROTTLE_HOTLINK_PER_IP_LIMIT: number;
-
-    @IsNotEmpty()
-    @IsNumber()
-    @Min(1000)
-    @Max(3_600_000)
-    THROTTLE_HOTLINK_PER_ID_TTL_MS: number;
-
-    @IsNotEmpty()
-    @IsNumber()
-    @Min(1)
-    @Max(1_000_000)
-    THROTTLE_HOTLINK_PER_ID_LIMIT: number;
 }
 
 export const validate = (config: Record<string, unknown>) => {