C++ HttpRequest::HasHeader方法代码示例

void SetOptCodeForHttpMethod(CURL* requestHandle, const HttpRequest& request)
{
    switch (request.GetMethod())
    {
        case HttpMethod::HTTP_GET:
            curl_easy_setopt(requestHandle, CURLOPT_HTTPGET, 1L);
            break;
        case HttpMethod::HTTP_POST:
            if (!request.HasHeader(Aws::Http::CONTENT_LENGTH_HEADER)|| request.GetHeaderValue(Aws::Http::CONTENT_LENGTH_HEADER) == "0")
            {
                curl_easy_setopt(requestHandle, CURLOPT_CUSTOMREQUEST, "POST");
            }
            else
            {
                curl_easy_setopt(requestHandle, CURLOPT_POST, 1L);
            }
            break;
        case HttpMethod::HTTP_PUT:
            if (!request.HasHeader(Aws::Http::CONTENT_LENGTH_HEADER) || request.GetHeaderValue(Aws::Http::CONTENT_LENGTH_HEADER) == "0")
            {
                curl_easy_setopt(requestHandle, CURLOPT_CUSTOMREQUEST, "PUT");
            }
            else
            {
                curl_easy_setopt(requestHandle, CURLOPT_PUT, 1L);
            }
            break;
        case HttpMethod::HTTP_HEAD:
            curl_easy_setopt(requestHandle, CURLOPT_HTTPGET, 1L);
            curl_easy_setopt(requestHandle, CURLOPT_NOBODY, 1L);
            break;
        case HttpMethod::HTTP_PATCH:
            if (!request.HasHeader(Aws::Http::CONTENT_LENGTH_HEADER)|| request.GetHeaderValue(Aws::Http::CONTENT_LENGTH_HEADER) == "0")
            {
                curl_easy_setopt(requestHandle, CURLOPT_CUSTOMREQUEST, "PATCH");
            }
            else
            {
                curl_easy_setopt(requestHandle, CURLOPT_POST, 1L);
                curl_easy_setopt(requestHandle, CURLOPT_CUSTOMREQUEST, "PATCH");
            }

            break;
        case HttpMethod::HTTP_DELETE:
            curl_easy_setopt(requestHandle, CURLOPT_CUSTOMREQUEST, "DELETE");
            //curl_easy_setopt(requestHandle, CURLOPT_NOBODY, 1L);
            break;
        default:
            assert(0);
            curl_easy_setopt(requestHandle, CURLOPT_CUSTOMREQUEST, "GET");
            break;
    }
}

std::shared_ptr<HttpResponse> CurlHttpClient::MakeRequest(HttpRequest& request, Aws::Utils::RateLimits::RateLimiterInterface* readLimiter,
                                                          Aws::Utils::RateLimits::RateLimiterInterface* writeLimiter) const
{
    //handle uri encoding at last second. Otherwise, the signer and the http layer will mismatch.
    URI uri = request.GetUri();
    uri.SetPath(URI::URLEncodePath(uri.GetPath()));
    Aws::String url = uri.GetURIString();

    AWS_LOGSTREAM_TRACE(CURL_HTTP_CLIENT_TAG, "Making request to " << url);
    struct curl_slist* headers = NULL;

    if (writeLimiter != nullptr)
    {
        writeLimiter->ApplyAndPayForCost(request.GetSize());
    }

    Aws::StringStream headerStream;
    HeaderValueCollection requestHeaders = request.GetHeaders();

    AWS_LOG_TRACE(CURL_HTTP_CLIENT_TAG, "Including headers:");
    for (auto& requestHeader : requestHeaders)
    {
        headerStream.str("");
        headerStream << requestHeader.first << ": " << requestHeader.second;
        Aws::String headerString = headerStream.str();
        AWS_LOGSTREAM_TRACE(CURL_HTTP_CLIENT_TAG, headerString);
        headers = curl_slist_append(headers, headerString.c_str());
    }
    headers = curl_slist_append(headers, "transfer-encoding:");

    if (!request.HasHeader(Http::CONTENT_LENGTH_HEADER))
    {
        headers = curl_slist_append(headers, "content-length:");
    }

    if (!request.HasHeader(Http::CONTENT_TYPE_HEADER))
    {
        headers = curl_slist_append(headers, "content-type:");
    }

    std::shared_ptr<HttpResponse> response(nullptr);
    CURL* connectionHandle = m_curlHandleContainer.AcquireCurlHandle();

    if (connectionHandle)
    {
        AWS_LOGSTREAM_DEBUG(CURL_HTTP_CLIENT_TAG, "Obtained connection handle " << connectionHandle);

        if (headers)
        {
            curl_easy_setopt(connectionHandle, CURLOPT_HTTPHEADER, headers);
        }

        response = Aws::MakeShared<StandardHttpResponse>(CURL_HTTP_CLIENT_TAG, request);
        CurlWriteCallbackContext writeContext(this, &request, response.get(), readLimiter);
        CurlReadCallbackContext readContext(this, &request);

        SetOptCodeForHttpMethod(connectionHandle, request);

        curl_easy_setopt(connectionHandle, CURLOPT_URL, url.c_str());
        curl_easy_setopt(connectionHandle, CURLOPT_WRITEFUNCTION, &CurlHttpClient::WriteData);
        curl_easy_setopt(connectionHandle, CURLOPT_WRITEDATA, &writeContext);
        curl_easy_setopt(connectionHandle, CURLOPT_HEADERFUNCTION, &CurlHttpClient::WriteHeader);
        curl_easy_setopt(connectionHandle, CURLOPT_HEADERDATA, response.get());

        //we only want to override the default path if someone has explicitly told us to.
        if(!m_caPath.empty())
        {
            curl_easy_setopt(connectionHandle, CURLOPT_CAPATH, m_caPath.c_str());
        }

	// only set by android test builds because the emulator is missing a cert needed for aws services
#ifdef TEST_CERT_PATH
	curl_easy_setopt(connectionHandle, CURLOPT_CAPATH, TEST_CERT_PATH);
#endif // TEST_CERT_PATH

        if (m_verifySSL)
        {
            curl_easy_setopt(connectionHandle, CURLOPT_SSL_VERIFYPEER, 1L);
            curl_easy_setopt(connectionHandle, CURLOPT_SSL_VERIFYHOST, 2L);

#if LIBCURL_VERSION_MAJOR >= 7
#if LIBCURL_VERSION_MINOR >= 34
            curl_easy_setopt(connectionHandle, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
#endif //LIBCURL_VERSION_MINOR
#endif //LIBCURL_VERSION_MAJOR
        }
        else
        {
            curl_easy_setopt(connectionHandle, CURLOPT_SSL_VERIFYPEER, 0L);
            curl_easy_setopt(connectionHandle, CURLOPT_SSL_VERIFYHOST, 0L);
        }

        if (m_allowRedirects)
        {
            curl_easy_setopt(connectionHandle, CURLOPT_FOLLOWLOCATION, 1L);
        }
        else
        {
            curl_easy_setopt(connectionHandle, CURLOPT_FOLLOWLOCATION, 0L);
        }
//.........这里部分代码省略.........