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node_modules/next/dist/esm/server/lib/server-ipc/utils.js

@@ -0,0 +1,50 @@
+export const ipcForbiddenHeaders = [
+    "accept-encoding",
+    "keepalive",
+    "keep-alive",
+    "content-encoding",
+    "transfer-encoding",
+    // https://github.com/nodejs/undici/issues/1470
+    "connection",
+    // marked as unsupported by undici: https://github.com/nodejs/undici/blob/c83b084879fa0bb8e0469d31ec61428ac68160d5/lib/core/request.js#L354
+    "expect"
+];
+export const actionsForbiddenHeaders = [
+    ...ipcForbiddenHeaders,
+    "content-length",
+    "set-cookie"
+];
+export const filterReqHeaders = (headers, forbiddenHeaders)=>{
+    // Some browsers are not matching spec and sending Content-Length: 0. This causes issues in undici
+    // https://github.com/nodejs/undici/issues/2046
+    if (headers["content-length"] && headers["content-length"] === "0") {
+        delete headers["content-length"];
+    }
+    for (const [key, value] of Object.entries(headers)){
+        if (forbiddenHeaders.includes(key) || !(Array.isArray(value) || typeof value === "string")) {
+            delete headers[key];
+        }
+    }
+    return headers;
+};
+// These are headers that are only used internally and should
+// not be honored from the external request
+const INTERNAL_HEADERS = [
+    "x-middleware-rewrite",
+    "x-middleware-redirect",
+    "x-middleware-set-cookie",
+    "x-middleware-skip",
+    "x-middleware-override-headers",
+    "x-middleware-next",
+    "x-now-route-matches",
+    "x-matched-path"
+];
+export const filterInternalHeaders = (headers)=>{
+    for(const header in headers){
+        if (INTERNAL_HEADERS.includes(header)) {
+            delete headers[header];
+        }
+    }
+};
+
+//# sourceMappingURL=utils.js.map