Fixed seeking not working on HTTP handles

This is only activated in standards mode due to using more memory.

src/apis/handles/http_handle.cpp

@@ -28,6 +28,7 @@ int http_handle_free(lua_State *L) {
     lastCFunction = __func__;
     http_handle_t** handle = (http_handle_t**)lua_touserdata(L, 1);
     if (*handle != NULL) {
+        if (config.standardsMode) delete (std::stringstream*)(*handle)->stream;
         delete (*handle)->handle;
         delete (*handle)->session;
         delete *handle;
@@ -40,6 +41,7 @@ int http_handle_close(lua_State *L) {
     lastCFunction = __func__;
     http_handle_t** handle = (http_handle_t**)lua_touserdata(L, lua_upvalueindex(1));
     if (*handle == NULL) return 0;
+    if (config.standardsMode) delete (std::stringstream*)(*handle)->stream;
     delete (*handle)->handle;
     delete (*handle)->session;
     delete *handle;

src/apis/http.cpp

@@ -324,7 +324,17 @@ static void downloadThread(void* arg) {
         }
         http_handle_t * handle;
         try {
-            handle = new http_handle_t(&session->receiveResponse(*response));
+            if (config.standardsMode) {
+                // Fix seeking by reading the entire data into a stringstream
+                std::istream& instream = session->receiveResponse(*response);
+                std::stringstream * ss = new std::stringstream;
+                while (!instream.eof()) {
+                    char buf[4096];
+                    instream.read(buf, 4096);
+                    ss->write(buf, instream.gcount());
+                }
+                handle = new http_handle_t(ss);
+            } else handle = new http_handle_t(&session->receiveResponse(*response));
         } catch (Poco::TimeoutException &e) {
             http_handle_t * err = new http_handle_t(NULL);
             err->url = param->url;
@@ -348,6 +358,8 @@ static void downloadThread(void* arg) {
             err->url = param->url;
             err->failureReason = "Response is too large";
             queueEvent(param->comp, http_failure, err);
+            if (config.standardsMode) delete (std::stringstream*)handle->stream;
+            delete handle;
             delete response;
             delete session;
             goto downloadThread_finish;
@@ -361,6 +373,7 @@ static void downloadThread(void* arg) {
                 if (location[0] == '/') location = uri.getScheme() + "://" + uri.getHost() + location;
                 else location = uri.getScheme() + "://" + uri.getHost() + path.substr(0, path.find('?')) + "/" + location;
             }
+            if (config.standardsMode) delete (std::stringstream*)handle->stream;
             delete handle->handle;
             delete handle->session;
             delete handle;