implement download and open from the cloud browser

engine/app.cpp

@@ -63,6 +63,23 @@ void App::initLog()
     LogRemote::I.file_init();
 }
 
+void App::download(std::string filename)
+{
+    CURL *curl = curl_easy_init();
+    if (curl)
+    {
+        auto dest = data_path + "/" + filename;
+        FILE* fp = fopen(dest.c_str(), "wb");
+        std::string url = "http://omigamedev.ddns.net:8080/panoview/cloud-dwl.php?file=" + filename;
+        curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_data_write);
+        auto err = curl_easy_perform(curl);
+        curl_easy_cleanup(curl);
+        fclose(fp);
+    }
+}
+
 void App::upload(std::string filename)
 {
     CURL *curl;