public async Task <HttpResponseMessage> SendAsync(HttpRequestMessage message,
IHttpContent content,
HttpRequestHeaderCollection headers = null,
CancellationToken token = default(CancellationToken))
{
return(await _client.SendRequestAsync(message, HttpCompletionOption.ResponseHeadersRead).AsTask(token));
}
public async Task <HttpResponseMessage> GetAsync(Uri uri,
CancellationToken token = default(CancellationToken))
{
HttpRequestMessage message = new HttpRequestMessage(HttpMethod.Get, uri);
HttpRequestHeaderCollection headers = DefaultHeaders;
return(await SendAsync(message, headers, token));
}
public async Task <HttpResponseMessage> PostAsync(Uri uri, IHttpContent postContent,
CancellationToken token = new CancellationToken())
{
HttpRequestMessage message = new HttpRequestMessage(HttpMethod.Post, uri)
{
Content = postContent
};
HttpRequestHeaderCollection headers = DefaultHeaders;
return(await SendAsync(message, postContent, headers, token));
}
public HttpAdapter()
{
userConfig = ((App)Application.Current).GetUserConfig();
ApiKey = userConfig.ApiKey;
httpClient = null;
httpHeader = null;
uri = null;
httpResponse = null;
isSuccess = false;
//httpContent = null;
InitHttp();
}
// Get header values.
public List <string> GetHeaderValues(HttpRequestHeaderCollection headers, string headerName)
{
var list = new List <string>();
var headerList = headers.ToList();
var values = headerList.Where(kvp => kvp.Key == headerName).Select(kvp => kvp.Value).Distinct().ToList();
foreach (var str in values)
{
list.Add(str.TrimStart(null));
}
return(list);
}
/// <summary>
/// 将HttpItem的请求头信息设置到指定Http请求头
/// </summary>
/// <param name="headers"></param>
/// <param name="httpItem"></param>
private void SetHeaders(HttpRequestHeaderCollection headers, HttpItem httpItem)
{
if (headers != null && httpItem != null)
{
if (!string.IsNullOrEmpty(httpItem.Accept))
{
headers.Accept.TryParseAdd(httpItem.Accept);
}
if (!string.IsNullOrEmpty(httpItem.AcceptEncoding))
{
headers.AcceptEncoding.TryParseAdd(httpItem.AcceptEncoding);
}
if (!string.IsNullOrEmpty(httpItem.AcceptLanguage))
{
headers.AcceptLanguage.TryParseAdd(httpItem.AcceptLanguage);
}
//if (!string.IsNullOrEmpty(httpItem.ContentType))
//{
// headers.Add("Content-Type", httpItem.ContentType);
//}
if (!string.IsNullOrEmpty(httpItem.Host))
{
headers.Host = new HostName(httpItem.Host);
}
if (!string.IsNullOrEmpty(httpItem.Referer))
{
headers.Referer = new Uri(httpItem.Referer);
}
if (!string.IsNullOrEmpty(httpItem.UserAgent))
{
headers.UserAgent.TryParseAdd(httpItem.UserAgent);
}
if (httpItem.Header?.Count > 0)
{
foreach (var item in httpItem.Header)
{
headers.Add(item.Key, item.Value);
}
}
}
}
private static void WriteHeaders(HttpRequestHeaderCollection headers)
{
if (headers == null)
{
return;
}
if (!headers.Any())
{
return;
}
Write("Headers:");
foreach (var item in headers)
{
Write($"{item.Key}:{JsonConvert.SerializeObject(item.Value)}");
}
}
public HttpStream(HttpRequestMessage req, int buffsize)
{
//初始化Size（获取全部内容长度）
//var buff = WindowsRuntimeBuffer.Create(buffsize);
using (HttpClient client = new HttpClient()) {
var res = client.SendRequestAsync(req, HttpCompletionOption.ResponseHeadersRead).WaitResult(3000);
var istream = res.Content.ReadAsInputStreamAsync().WaitResult(3000);
Headers = req.Headers;
Method = req.Method;
RequestUri = req.RequestUri;
Size = (long)res.Content.Headers.ContentLength.Value;
Stream = istream.AsStreamForRead();
//规则 不能 边读边写 Stream.Position
client.Dispose();
}
}
/// <summary>
/// Adds the User-Agent string to a request to identify it
/// as coming from the WDPW Open Source project.
/// </summary>
/// <param name="client">The HTTP client on which to have the header set.</param>
public void ApplyUserAgentHeader(HttpClient client)
{
string userAgentValue = UserAgentValue;
#if WINDOWS_UWP
Assembly asm = this.GetType().GetTypeInfo().Assembly;
userAgentValue += "-v" + asm.GetName().Version.ToString();
userAgentValue += "-UWP";
HttpRequestHeaderCollection headers = client.DefaultRequestHeaders;
#else
Assembly asm = Assembly.GetExecutingAssembly();
userAgentValue += "-v" + asm.GetName().Version.ToString();
userAgentValue += "-dotnet";
HttpRequestHeaders headers = client.DefaultRequestHeaders;
#endif // WINDOWS_UWP
headers.Add(UserAgentName, userAgentValue);
}
/// <summary>
/// Applies the CSRF token to the HTTP client.
/// </summary>
/// <param name="client">The HTTP client on which to have the header set.</param>
/// <param name="method">The HTTP method (ex: POST) that will be called on the client.</param>
public void ApplyCSRFHeader(
HttpClient client,
HttpMethods method)
{
string headerName = "X-" + CsrfTokenName;
string headerValue = this.csrfToken;
if (string.Compare(method.ToString(), "get", true) == 0)
{
headerName = CsrfTokenName;
headerValue = string.IsNullOrEmpty(this.csrfToken) ? "Fetch" : headerValue;
}
#if WINDOWS_UWP
HttpRequestHeaderCollection headers = client.DefaultRequestHeaders;
#else
HttpRequestHeaders headers = client.DefaultRequestHeaders;
#endif // WINDOWS_UWP
headers.Add(headerName, headerValue);
}
public void UpdateSoapActionHeader(HttpRequestHeaderCollection headers)
{
headers.Clear();
headers.Add("SOAPAction", SoapHeader);
}
public NetworkService(Backend.INetworkClient networkClient, SettingsService settingsService)
{
_networkClient = networkClient;
_settingsService = settingsService;
_defaultHeaders = _networkClient.DefaultHeaders;
}
// Get header values.
public List<string> GetHeaderValues(HttpRequestHeaderCollection headers, string headerName)
{
var list = new List<string>();
var headerList = headers.ToList();
var values = headerList.Where(kvp => kvp.Key == headerName).Select(kvp => kvp.Value).Distinct().ToList();
foreach (var str in values)
{
list.Add(str.TrimStart(null));
}
return list;
}
/// <summary>
/// 初始化函数
/// </summary>
/// <param name="httpClient"></param>
public void InitHttp()
{
httpClient = new Windows.Web.Http.HttpClient();
httpHeader = httpClient.DefaultRequestHeaders;
}
internal HttpRequest()
{
Method = HttpMethods.GET;
Headers = new HttpRequestHeaderCollection();
}
private static async Task<RTIHttpContent> CreateRequestContentAsync(HttpRequestMessage request, HttpRequestHeaderCollection rtHeaderCollection)
{
HttpContent content = request.Content;
RTIHttpContent rtContent;
ArraySegment<byte> buffer;
// If we are buffered already, it is more efficient to send the data directly using the buffer with the
// WinRT HttpBufferContent class than using HttpStreamContent. This also avoids issues caused by
// a design limitation in the System.Runtime.WindowsRuntime System.IO.NetFxToWinRtStreamAdapter.
if (content.TryGetBuffer(out buffer))
{
rtContent = new RTHttpBufferContent(buffer.Array.AsBuffer(), (uint)buffer.Offset, (uint)buffer.Count);
}
else
{
Stream contentStream = await content.ReadAsStreamAsync().ConfigureAwait(false);
if (contentStream is RTIInputStream)
{
rtContent = new RTHttpStreamContent((RTIInputStream)contentStream);
}
else if (contentStream is MemoryStream)
{
var memStream = contentStream as MemoryStream;
if (memStream.TryGetBuffer(out buffer))
{
rtContent = new RTHttpBufferContent(buffer.Array.AsBuffer(), (uint)buffer.Offset, (uint)buffer.Count);
}
else
{
byte[] byteArray = memStream.ToArray();
rtContent = new RTHttpBufferContent(byteArray.AsBuffer(), 0, (uint) byteArray.Length);
}
}
else
{
rtContent = new RTHttpStreamContent(contentStream.AsInputStream());
}
}
// RTHttpBufferContent constructor automatically adds a Content-Length header. RTHttpStreamContent does not.
// Clear any 'Content-Length' header added by the RTHttp*Content objects. We need to clear that now
// and decide later whether we need 'Content-Length' or 'Transfer-Encoding: chunked' headers based on the
// .NET HttpRequestMessage and Content header collections.
rtContent.Headers.ContentLength = null;
// Deal with conflict between 'Content-Length' vs. 'Transfer-Encoding: chunked' semantics.
// Desktop System.Net allows both headers to be specified but ends up stripping out
// 'Content-Length' and using chunked semantics. The WinRT APIs throw an exception so
// we need to manually strip out the conflicting header to maintain app compatibility.
if (request.Headers.TransferEncodingChunked.HasValue && request.Headers.TransferEncodingChunked.Value)
{
content.Headers.ContentLength = null;
}
else
{
// Trigger delayed header generation via TryComputeLength. This code is needed due to an outstanding
// bug in HttpContentHeaders.ContentLength. See GitHub Issue #5523.
content.Headers.ContentLength = content.Headers.ContentLength;
}
foreach (KeyValuePair<string, IEnumerable<string>> headerPair in content.Headers)
{
foreach (string value in headerPair.Value)
{
if (!rtContent.Headers.TryAppendWithoutValidation(headerPair.Key, value))
{
// rtContent headers are restricted to a white-list of allowed headers, while System.Net.HttpClient's content headers
// will allow custom headers. If something is not successfully added to the content headers, try adding them to the standard headers.
bool success = rtHeaderCollection.TryAppendWithoutValidation(headerPair.Key, value);
Debug.Assert(success);
}
}
}
return rtContent;
}
private static async Task <RTIHttpContent> CreateRequestContentAsync(HttpRequestMessage request, HttpRequestHeaderCollection rtHeaderCollection)
{
HttpContent content = request.Content;
RTIHttpContent rtContent;
ArraySegment <byte> buffer;
// If we are buffered already, it is more efficient to send the data directly using the buffer with the
// WinRT HttpBufferContent class than using HttpStreamContent. This also avoids issues caused by
// a design limitation in the System.Runtime.WindowsRuntime System.IO.NetFxToWinRtStreamAdapter.
if (content.TryGetBuffer(out buffer))
{
rtContent = new RTHttpBufferContent(buffer.Array.AsBuffer(), (uint)buffer.Offset, (uint)buffer.Count);
}
else
{
Stream contentStream = await content.ReadAsStreamAsync().ConfigureAwait(false);
if (contentStream is RTIInputStream)
{
rtContent = new RTHttpStreamContent((RTIInputStream)contentStream);
}
else if (contentStream is MemoryStream)
{
var memStream = contentStream as MemoryStream;
if (memStream.TryGetBuffer(out buffer))
{
rtContent = new RTHttpBufferContent(buffer.Array.AsBuffer(), (uint)buffer.Offset, (uint)buffer.Count);
}
else
{
byte[] byteArray = memStream.ToArray();
rtContent = new RTHttpBufferContent(byteArray.AsBuffer(), 0, (uint)byteArray.Length);
}
}
else
{
rtContent = new RTHttpStreamContent(contentStream.AsInputStream());
}
}
// RTHttpBufferContent constructor automatically adds a Content-Length header. RTHttpStreamContent does not.
// Clear any 'Content-Length' header added by the RTHttp*Content objects. We need to clear that now
// and decide later whether we need 'Content-Length' or 'Transfer-Encoding: chunked' headers based on the
// .NET HttpRequestMessage and Content header collections.
rtContent.Headers.ContentLength = null;
// Deal with conflict between 'Content-Length' vs. 'Transfer-Encoding: chunked' semantics.
// Desktop System.Net allows both headers to be specified but ends up stripping out
// 'Content-Length' and using chunked semantics. The WinRT APIs throw an exception so
// we need to manually strip out the conflicting header to maintain app compatibility.
if (request.Headers.TransferEncodingChunked.HasValue && request.Headers.TransferEncodingChunked.Value)
{
content.Headers.ContentLength = null;
}
else
{
// Trigger delayed header generation via TryComputeLength. This code is needed due to an outstanding
// bug in HttpContentHeaders.ContentLength. See GitHub Issue #5523.
content.Headers.ContentLength = content.Headers.ContentLength;
}
foreach (KeyValuePair <string, IEnumerable <string> > headerPair in content.Headers)
{
foreach (string value in headerPair.Value)
{
if (!rtContent.Headers.TryAppendWithoutValidation(headerPair.Key, value))
{
// rtContent headers are restricted to a white-list of allowed headers, while System.Net.HttpClient's content headers
// will allow custom headers. If something is not successfully added to the content headers, try adding them to the standard headers.
bool success = rtHeaderCollection.TryAppendWithoutValidation(headerPair.Key, value);
Debug.Assert(success);
}
}
}
return(rtContent);
}
public UwpHttpService()
{
this.httpClient = new HttpClient(GetProtocolFilter());
this.headers = httpClient.DefaultRequestHeaders;
}
