removes origin/referer headers from proxied request

src/proxy/anthropic.ts

@@ -14,6 +14,7 @@ import {
   finalizeBody,
   languageFilter,
   limitOutputTokens,
+  removeOrigin,
 } from "./middleware/request";
 import {
   ProxyResHandlerWithBody,
@@ -75,6 +76,7 @@ const rewriteAnthropicRequest = (
     blockZoomers,
     languageFilter,
     limitOutputTokens,
+    removeOrigin,
     finalizeBody,
   ];
 

src/proxy/middleware/request/index.ts

@@ -15,6 +15,7 @@ export { finalizeBody } from "./finalize-body";
 export { languageFilter } from "./language-filter";
 export { limitCompletions } from "./limit-completions";
 export { limitOutputTokens } from "./limit-output-tokens";
+export { removeOrigin } from "./remove-origin";
 export { transformKoboldPayload } from "./transform-kobold-payload";
 
 /**

src/proxy/middleware/request/remove-origin.ts

@@ -0,0 +1,10 @@
+import { ProxyRequestMiddleware } from ".";
+
+/**
+ * Removes origin and referer headers before sending the request to the API for
+ * privacy reasons.
+ **/
+export const removeOrigin: ProxyRequestMiddleware = (proxyReq) => {
+  proxyReq.setHeader("origin", "");
+  proxyReq.setHeader("referer", "");
+};

src/proxy/openai.ts

@@ -15,6 +15,7 @@ import {
   languageFilter,
   limitCompletions,
   limitOutputTokens,
+  removeOrigin,
 } from "./middleware/request";
 import {
   createOnProxyResHandler,
@@ -95,6 +96,7 @@ const rewriteRequest = (
     languageFilter,
     limitOutputTokens,
     limitCompletions,
+    removeOrigin,
     finalizeBody,
   ];