thiagoelg commented on code in PR #3395:
URL:
https://github.com/apache/incubator-kie-tools/pull/3395#discussion_r2717477560
##########
packages/cors-proxy/src/proxy/ExpressCorsProxy.ts:
##########
@@ -60,26 +59,33 @@ export class ExpressCorsProxy implements CorsProxy<Request,
Response> {
this.logger.debugEscapeNewLines("Request Method: ", req.method);
this.logger.debugEscapeNewLines("Request Headers: ", req.headers);
- // Creating the headers for the new request
+ // Build outgoing headers
const outHeaders: Record<string, string> = {
...info?.corsConfig?.customHeaders };
Object.keys(req.headers).forEach((header) => {
if (!BANNED_PROXY_HEADERS.includes(header) && !outHeaders[header]) {
if (!info.corsConfig ||
info.corsConfig.allowHeaders.includes(header)) {
- outHeaders[header] = req.headers[header] as string;
+ const value = req.headers[header];
+ // header value can be string | string[] | undefined
+ if (Array.isArray(value)) {
+ outHeaders[header] = value.join(", ");
+ } else if (typeof value === "string") {
+ outHeaders[header] = value;
+ }
}
}
});
- // TO DO: Figure out why this gzip encoding is broken with insecure tls
certificates!
- if
(req.headers[CorsProxyHeaderKeys.INSECURELY_DISABLE_TLS_CERTIFICATE_VALIDATION]
=== "true") {
- outHeaders["accept-encoding"] = "identity";
- }
// Force uncompressed response if encoding is disabled via header
if (req.headers[CorsProxyHeaderKeys.DISABLE_ENCODING] === "true") {
outHeaders["accept-encoding"] = "identity";
Review Comment:
But if I comment out the `res.removeHeader("content-encoding");` line from
CORS Proxy, then the request fails with `net::ERR_CONTENT_DECODING_FAILED 200
(OK)`.
<img width="3008" height="1625" alt="image"
src="https://github.com/user-attachments/assets/bc8ae922-2e21-4614-af59-3debd6536294";
/>
But I think that makes sense, as `node-fetch` in CORS Proxy is already
decompressing the response and returning raw data to the browser.
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