optional<string> FileSharing::download(const string& filename, const string& dir, ProgressMeter& meter) {
progressFun = [&] (double p) { meter.setProgress(p);};
if (CURL *curl = curl_easy_init()) {
string path = dir + "/" + filename;
Debug() << "Downloading to " << path;
if (FILE *fp = fopen(path.c_str(), "wb")) {
curl_easy_setopt(curl, CURLOPT_URL, escapeUrl(uploadUrl + "/uploads/" + filename).c_str());
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeToFile);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
// Internal CURL progressmeter must be disabled if we provide our own callback
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
// Install the callback function
curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progressFunction);
curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
CURLcode res = curl_easy_perform(curl);
string ret;
if(res != CURLE_OK)
ret = string("Upload failed: ") + curl_easy_strerror(res);
curl_easy_cleanup(curl);
fclose(fp);
if (!ret.empty()) {
remove(path.c_str());
return ret;
} else
return none;
} else
return string("Failed to open file: " + path);
} else
return string("Failed to initialize libcurl");
}
optional<string> FileSharing::uploadSite(const string& path, ProgressMeter& meter) {
if (!options.getBoolValue(OptionId::ONLINE))
return none;
static ProgressCallback callback = [&] (double p) { meter.setProgress(p);};
return curlUpload(path.c_str(), (uploadUrl + "/upload_site.php").c_str(), &callback, 0);
}
optional<string> FileSharing::uploadRetired(const string& path, ProgressMeter& meter) {
progressFun = [&] (double p) { meter.setProgress(p);};
return curlUpload(path.c_str(), (uploadUrl + "/upload.php").c_str());
}