[core] Restore existing response body

Until #2721 lands we still need this.

3 files changed, 6 insertions, 0 deletions

diff --git a/platform/android/src/http_request_android.cpp b/platform/android/src/http_request_android.cpp
index 3458040083..9a554f5281 100644
--- a/platform/android/src/http_request_android.cpp
+++ b/platform/android/src/http_request_android.cpp
@@ -209,6 +209,8 @@ void HTTPAndroidRequest::onResponse(int code, std::string message, std::string e
         response->notModified = true;
 
         if (existingResponse) {
+            response->data = existingResponse->data;
+
             if (response->expires == Seconds::zero()) {
                 response->expires = existingResponse->expires;
             }
diff --git a/platform/darwin/http_request_nsurl.mm b/platform/darwin/http_request_nsurl.mm
index a43210cbc0..306cf96293 100644
--- a/platform/darwin/http_request_nsurl.mm
+++ b/platform/darwin/http_request_nsurl.mm
@@ -229,6 +229,8 @@ void HTTPNSURLRequest::handleResult(NSData *data, NSURLResponse *res, NSError *e
             response->notModified = true;
 
             if (existingResponse) {
+                response->data = existingResponse->data;
+
                 if (response->expires == Seconds::zero()) {
                     response->expires = existingResponse->expires;
                 }
diff --git a/platform/default/http_request_curl.cpp b/platform/default/http_request_curl.cpp
index 7f95d187cb..5ef8cddb74 100644
--- a/platform/default/http_request_curl.cpp
+++ b/platform/default/http_request_curl.cpp
@@ -532,6 +532,8 @@ void HTTPCURLRequest::handleResult(CURLcode code) {
             response->notModified = true;
 
             if (existingResponse) {
+                response->data = existingResponse->data;
+
                 if (response->expires == Seconds::zero()) {
                     response->expires = existingResponse->expires;
                 }