public static async Task<string> HttpPostStreamAsync(string url, StorageFile reqFile, CancellationToken token = new CancellationToken())
{
using (var httpFilter = new HUwpHttpFilter())
using (var client = new HttpClient(httpFilter))
{
var form = new HttpMultipartFormDataContent();
var inStream = await reqFile.OpenAsync(FileAccessMode.Read);
form.Add(new HttpStreamContent(inStream), "file", reqFile.Name);
var response = await client.PostAsync(new Uri(url), form);
response.EnsureSuccessStatusCode();
var resStr = await response.Content.ReadAsStringAsync();
return resStr;
}
}
public static async Task HttpGetFileAsync(string url, StorageFile targetFile, Action<int, int> progressAction, CancellationToken token = new CancellationToken())
{
using (var httpFilter = new HUwpHttpFilter())
using (var client = new HttpClient(httpFilter))
using (var response = await client.SendRequestAsync(new HttpRequestMessage(HttpMethod.Get, new Uri(url)), HttpCompletionOption.ResponseHeadersRead))
{
response.EnsureSuccessStatusCode();
using (var resStream = await response.Content.ReadAsInputStreamAsync())
using (var classicResStream = resStream.AsStreamForRead())
{
var resContentLength = response.Content.Headers.ContentLength;
using (var fileStream = await targetFile.OpenStreamForWriteAsync())
{
var buf = new byte[1000000];
var offset = 0;
fileStream.Seek(0, SeekOrigin.Begin);
while (true)
{
int read = await classicResStream.ReadAsync(buf, 0, buf.Length, token);
progressAction.Invoke(offset, (int)resContentLength);
if (read <= 0)
break;
await fileStream.WriteAsync(buf, 0, read, token);
offset += read;
}
progressAction.Invoke((int)resContentLength, (int)resContentLength);
}
}
}
}
public static async Task<string> HttpPostStrAsync(string url, string body, CancellationToken token = new CancellationToken())
{
using (var httpFilter = new HUwpHttpFilter())
using (var client = new HttpClient(httpFilter))
using (var response = await client.PostAsync(new Uri(url), new HttpStringContent(body)))
{
response.EnsureSuccessStatusCode();
var resStr = await response.Content.ReadAsStringAsync();
return resStr;
}
}
public static async Task<string> HttpGetStringAsync(string url, CancellationToken token = new CancellationToken())
{
using (var httpFilter = new HUwpHttpFilter())
using (var client = new HttpClient(httpFilter))
using (var response = await client.SendRequestAsync(new HttpRequestMessage(HttpMethod.Get, new Uri(url))))
{
response.EnsureSuccessStatusCode();
var resStr = await response.Content.ReadAsStringAsync();
return resStr;
}
}
