std::shared_ptr<Aws::Http::HttpResponse> NetlibHttpClient::MakeRequest(
Aws::Http::HttpRequest& request,
Aws::Utils::RateLimits::RateLimiterInterface* readLimiter,
Aws::Utils::RateLimits::RateLimiterInterface* writeLimiter) const {
// AWS allows rate limiters to be passed around, but we are doing rate
// limiting on the logger plugin side and so don't implement this.
if (readLimiter != nullptr || writeLimiter != nullptr) {
LOG(WARNING) << "Read/write limiters are unsupported";
}
Aws::Http::URI uri = request.GetUri();
uri.SetPath(Aws::Http::URI::URLEncodePath(uri.GetPath()));
Aws::String url = uri.GetURIString();
bn::http::client client = TLSTransport().getClient();
bn::http::client::request req(url);
for (const auto& requestHeader : request.GetHeaders()) {
req << bn::header(requestHeader.first, requestHeader.second);
}
std::string body;
if (request.GetContentBody()) {
std::stringstream ss;
ss << request.GetContentBody()->rdbuf();
body = ss.str();
}
auto response = std::make_shared<Standard::StandardHttpResponse>(request);
try {
bn::http::client::response resp;
switch (request.GetMethod()) {
case Aws::Http::HttpMethod::HTTP_GET:
resp = client.get(req);
if (resp.status() == 301 || resp.status() == 302) {
VLOG(1) << "Attempting custom redirect as cpp-netlib does not support "
"redirects";
for (const auto& header : resp.headers()) {
if (header.first == "Location") {
req.uri(header.second);
resp = client.get(req);
}
}
}
break;
case Aws::Http::HttpMethod::HTTP_POST:
resp = client.post(req, body, request.GetContentType());
break;
case Aws::Http::HttpMethod::HTTP_PUT:
resp = client.put(req, body, request.GetContentType());
break;
case Aws::Http::HttpMethod::HTTP_HEAD:
resp = client.head(req);
break;
case Aws::Http::HttpMethod::HTTP_PATCH:
LOG(ERROR) << "cpp-netlib does not support HTTP PATCH";
return nullptr;
break;
case Aws::Http::HttpMethod::HTTP_DELETE:
resp = client.delete_(req);
break;
default:
LOG(ERROR) << "Unrecognized HTTP Method used: "
<< static_cast<int>(request.GetMethod());
return nullptr;
break;
}
response->SetResponseCode(
static_cast<Aws::Http::HttpResponseCode>(resp.status()));
for (const auto& header : resp.headers()) {
if (header.first == "content-type") {
response->SetContentType(header.second);
}
response->AddHeader(header.first, header.second);
}
response->GetResponseBody() << resp.body();
} catch (const std::exception& /*e*/) {
LOG(ERROR) << "Exception making HTTP request to URL: " << url;
return nullptr;
}
return response;
}
std::shared_ptr<HttpResponse> WinSyncHttpClient::BuildSuccessResponse(const Aws::Http::HttpRequest& request, void* hHttpRequest, Aws::Utils::RateLimits::RateLimiterInterface* readLimiter) const
{
auto response = Aws::MakeShared<StandardHttpResponse>(GetLogTag(), request);
Aws::StringStream ss;
uint64_t read = 0;
DoQueryHeaders(hHttpRequest, response, ss, read);
if(readLimiter != nullptr && read > 0)
{
readLimiter->ApplyAndPayForCost(read);
}
Aws::Vector<Aws::String> rawHeaders = StringUtils::SplitOnLine(ss.str());
for (auto& header : rawHeaders)
{
Aws::Vector<Aws::String> keyValuePair = StringUtils::Split(header, ':');
if (keyValuePair.size() > 1)
{
Aws::String headerName = keyValuePair[0];
headerName = StringUtils::Trim(headerName.c_str());
Aws::String headerValue(keyValuePair[1]);
for (unsigned i = 2; i < keyValuePair.size(); ++i)
{
headerValue += ":";
headerValue += keyValuePair[i];
}
response->AddHeader(headerName, StringUtils::Trim(headerValue.c_str()));
}
}
if (request.GetMethod() != HttpMethod::HTTP_HEAD)
{
char body[1024];
uint64_t bodySize = sizeof(body);
read = 0;
bool success = true;
while (DoReadData(hHttpRequest, body, bodySize, read) && read > 0 && success)
{
response->GetResponseBody().write(body, read);
if (read > 0)
{
if (readLimiter != nullptr)
{
readLimiter->ApplyAndPayForCost(read);
}
auto& receivedHandler = request.GetDataReceivedEventHandler();
if (receivedHandler)
{
receivedHandler(&request, response.get(), (long long)read);
}
}
success = success && IsRequestProcessingEnabled();
}
if(!success)
{
return nullptr;
}
}
//go ahead and flush the response body.
response->GetResponseBody().flush();
return response;
}