From 7a5b5fc2b8c3a85045d2dfc25132f865c6274150 Mon Sep 17 00:00:00 2001
From: Sergey Konovalov <Sergey.Konovalov@onlyoffice.com>
Date: Wed, 17 Sep 2025 17:23:35 +0300
Subject: [PATCH] [bug] Disable response decoding while proxying; Fix bug 76719

---
 Common/sources/utils.js                 | 4 +++-
 DocService/sources/ai/aiProxyHandler.js | 5 ++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/Common/sources/utils.js b/Common/sources/utils.js
index 4b793354..3c249e56 100644
--- a/Common/sources/utils.js
+++ b/Common/sources/utils.js
@@ -521,9 +521,10 @@ async function postRequestPromise(ctx, uri, postData, postDataStream, postDataSi
  * @param {object} opt_timeout - Optional timeout configuration.
  * @param {number} opt_limit - Optional limit on the size of the response.
  * @param {boolean} opt_filterPrivate - Optional flag to filter private requests.
+ * @param {Object} [opt_axiosConfig={}] - Optional additional axios configuration options.
  * @returns {Promise<{response: axios.AxiosResponse, stream: SizeLimitStream}>} - A promise that resolves to an object containing the raw Axios response and a SizeLimitStream.
  */
-async function httpRequest(ctx, method, uri, opt_headers, opt_body, opt_timeout, opt_limit, opt_filterPrivate) {
+async function httpRequest(ctx, method, uri, opt_headers, opt_body, opt_timeout, opt_limit, opt_filterPrivate, opt_axiosConfig = {}) {
   const tenTenantRequestDefaults = ctx.getCfg('services.CoAuthoring.requestDefaults', cfgRequestDefaults);
   uri = URI.serialize(URI.parse(uri));
   const options = config.util.cloneDeep(tenTenantRequestDefaults);
@@ -548,6 +549,7 @@ async function httpRequest(ctx, method, uri, opt_headers, opt_body, opt_timeout,
 
   const axiosConfig = {
     ...options,
+    ...opt_axiosConfig,
     url: uri,
     method,
     headers: requestHeaders,
diff --git a/DocService/sources/ai/aiProxyHandler.js b/DocService/sources/ai/aiProxyHandler.js
index cf40b3ee..ce25be66 100644
--- a/DocService/sources/ai/aiProxyHandler.js
+++ b/DocService/sources/ai/aiProxyHandler.js
@@ -300,7 +300,10 @@ async function proxyRequest(req, res) {
       requestParams.body, // Request body
       requestParams.timeout, // Timeout configuration
       requestParams.limit, // Size limit
-      requestParams.isInJwtToken // Filter private requests
+      requestParams.isInJwtToken, // Filter private requests
+      {
+        decompress: false
+      }
     );
 
     // Set the response headers to match the target response