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HttpUtils.cs
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1585 lines (1292 loc) · 62.7 KB
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//Copyright (c) ServiceStack, Inc. All Rights Reserved.
//License: https://raw.github.com/ServiceStack/ServiceStack/master/license.txt
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;
using System.Threading.Tasks;
namespace ServiceStack
{
public static class HttpUtils
{
public static string UserAgent = "ServiceStack.Text";
public static Encoding UseEncoding { get; set; } = PclExport.Instance.GetUTF8Encoding(false);
[ThreadStatic]
public static IHttpResultsFilter ResultsFilter;
public static string AddQueryParam(this string url, string key, object val, bool encode = true)
{
return url.AddQueryParam(key, val.ToString(), encode);
}
public static string AddQueryParam(this string url, object key, string val, bool encode = true)
{
return AddQueryParam(url, (key ?? "").ToString(), val, encode);
}
public static string AddQueryParam(this string url, string key, string val, bool encode = true)
{
if (string.IsNullOrEmpty(url)) return null;
var prefix = string.Empty;
if (!url.EndsWith("?") && !url.EndsWith("&"))
{
prefix = url.IndexOf('?') == -1 ? "?" : "&";
}
return url + prefix + key + "=" + (encode ? val.UrlEncode() : val);
}
public static string SetQueryParam(this string url, string key, string val)
{
if (string.IsNullOrEmpty(url)) return null;
var qsPos = url.IndexOf('?');
if (qsPos != -1)
{
var existingKeyPos = qsPos + 1 == url.IndexOf(key, qsPos, PclExport.Instance.InvariantComparison)
? qsPos
: url.IndexOf("&" + key, qsPos, PclExport.Instance.InvariantComparison);
if (existingKeyPos != -1)
{
var endPos = url.IndexOf('&', existingKeyPos + 1);
if (endPos == -1)
endPos = url.Length;
var newUrl = url.Substring(0, existingKeyPos + key.Length + 1)
+ "="
+ val.UrlEncode()
+ url.Substring(endPos);
return newUrl;
}
}
var prefix = qsPos == -1 ? "?" : "&";
return url + prefix + key + "=" + val.UrlEncode();
}
public static string AddHashParam(this string url, string key, object val)
{
return url.AddHashParam(key, val.ToString());
}
public static string AddHashParam(this string url, string key, string val)
{
if (string.IsNullOrEmpty(url)) return null;
var prefix = url.IndexOf('#') == -1 ? "#" : "/";
return url + prefix + key + "=" + val.UrlEncode();
}
public static string SetHashParam(this string url, string key, string val)
{
if (string.IsNullOrEmpty(url)) return null;
var hPos = url.IndexOf('#');
if (hPos != -1)
{
var existingKeyPos = hPos + 1 == url.IndexOf(key, hPos, PclExport.Instance.InvariantComparison)
? hPos
: url.IndexOf("/" + key, hPos, PclExport.Instance.InvariantComparison);
if (existingKeyPos != -1)
{
var endPos = url.IndexOf('/', existingKeyPos + 1);
if (endPos == -1)
endPos = url.Length;
var newUrl = url.Substring(0, existingKeyPos + key.Length + 1)
+ "="
+ val.UrlEncode()
+ url.Substring(endPos);
return newUrl;
}
}
var prefix = url.IndexOf('#') == -1 ? "#" : "/";
return url + prefix + key + "=" + val.UrlEncode();
}
public static string GetJsonFromUrl(this string url,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return url.GetStringFromUrl(MimeTypes.Json, requestFilter, responseFilter);
}
public static Task<string> GetJsonFromUrlAsync(this string url,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return url.GetStringFromUrlAsync(MimeTypes.Json, requestFilter, responseFilter);
}
public static string GetXmlFromUrl(this string url,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return url.GetStringFromUrl(MimeTypes.Xml, requestFilter, responseFilter);
}
public static Task<string> GetXmlFromUrlAsync(this string url,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return url.GetStringFromUrlAsync(MimeTypes.Xml, requestFilter, responseFilter);
}
public static string GetCsvFromUrl(this string url,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return url.GetStringFromUrl(MimeTypes.Csv, requestFilter, responseFilter);
}
public static Task<string> GetCsvFromUrlAsync(this string url,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return url.GetStringFromUrlAsync(MimeTypes.Csv, requestFilter, responseFilter);
}
public static string GetStringFromUrl(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> GetStringFromUrlAsync(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PostStringToUrl(this string url, string requestBody = null,
string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "POST",
requestBody: requestBody, contentType: contentType,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PostStringToUrlAsync(this string url, string requestBody = null,
string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "POST",
requestBody: requestBody, contentType: contentType,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PostToUrl(this string url, string formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "POST",
contentType: MimeTypes.FormUrlEncoded, requestBody: formData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PostToUrlAsync(this string url, string formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "POST",
contentType: MimeTypes.FormUrlEncoded, requestBody: formData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PostToUrl(this string url, object formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
string postFormData = formData != null ? QueryStringSerializer.SerializeToString(formData) : null;
return SendStringToUrl(url, method: "POST",
contentType: MimeTypes.FormUrlEncoded, requestBody: postFormData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PostToUrlAsync(this string url, object formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
string postFormData = formData != null ? QueryStringSerializer.SerializeToString(formData) : null;
return SendStringToUrlAsync(url, method: "POST",
contentType: MimeTypes.FormUrlEncoded, requestBody: postFormData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PostJsonToUrl(this string url, string json,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "POST", requestBody: json, contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PostJsonToUrlAsync(this string url, string json,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "POST", requestBody: json, contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PostJsonToUrl(this string url, object data,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "POST", requestBody: data.ToJson(), contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PostJsonToUrlAsync(this string url, object data,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "POST", requestBody: data.ToJson(), contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PostXmlToUrl(this string url, string xml,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "POST", requestBody: xml, contentType: MimeTypes.Xml, accept: MimeTypes.Xml,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PostXmlToUrlAsync(this string url, string xml,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "POST", requestBody: xml, contentType: MimeTypes.Xml, accept: MimeTypes.Xml,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PostCsvToUrl(this string url, string csv,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "POST", requestBody: csv, contentType: MimeTypes.Csv, accept: MimeTypes.Csv,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PostCsvToUrlAsync(this string url, string csv,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "POST", requestBody: csv, contentType: MimeTypes.Csv, accept: MimeTypes.Csv,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PutStringToUrl(this string url, string requestBody = null,
string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PUT",
requestBody: requestBody, contentType: contentType,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PutStringToUrlAsync(this string url, string requestBody = null,
string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PUT",
requestBody: requestBody, contentType: contentType,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PutToUrl(this string url, string formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PUT",
contentType: MimeTypes.FormUrlEncoded, requestBody: formData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PutToUrlAsync(this string url, string formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PUT",
contentType: MimeTypes.FormUrlEncoded, requestBody: formData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PutToUrl(this string url, object formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
string postFormData = formData != null ? QueryStringSerializer.SerializeToString(formData) : null;
return SendStringToUrl(url, method: "PUT",
contentType: MimeTypes.FormUrlEncoded, requestBody: postFormData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PutToUrlAsync(this string url, object formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
string postFormData = formData != null ? QueryStringSerializer.SerializeToString(formData) : null;
return SendStringToUrlAsync(url, method: "PUT",
contentType: MimeTypes.FormUrlEncoded, requestBody: postFormData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PutJsonToUrl(this string url, string json,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PUT", requestBody: json, contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PutJsonToUrlAsync(this string url, string json,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PUT", requestBody: json, contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PutJsonToUrl(this string url, object data,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PUT", requestBody: data.ToJson(), contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PutJsonToUrlAsync(this string url, object data,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PUT", requestBody: data.ToJson(), contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PutXmlToUrl(this string url, string xml,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PUT", requestBody: xml, contentType: MimeTypes.Xml, accept: MimeTypes.Xml,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PutXmlToUrlAsync(this string url, string xml,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PUT", requestBody: xml, contentType: MimeTypes.Xml, accept: MimeTypes.Xml,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PutCsvToUrl(this string url, string csv,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PUT", requestBody: csv, contentType: MimeTypes.Csv, accept: MimeTypes.Csv,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PutCsvToUrlAsync(this string url, string csv,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PUT", requestBody: csv, contentType: MimeTypes.Csv, accept: MimeTypes.Csv,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PatchStringToUrl(this string url, string requestBody = null,
string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PATCH",
requestBody: requestBody, contentType: contentType,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PatchStringToUrlAsync(this string url, string requestBody = null,
string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PATCH",
requestBody: requestBody, contentType: contentType,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PatchToUrl(this string url, string formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PATCH",
contentType: MimeTypes.FormUrlEncoded, requestBody: formData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PatchToUrlAsync(this string url, string formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PATCH",
contentType: MimeTypes.FormUrlEncoded, requestBody: formData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PatchToUrl(this string url, object formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
string postFormData = formData != null ? QueryStringSerializer.SerializeToString(formData) : null;
return SendStringToUrl(url, method: "PATCH",
contentType: MimeTypes.FormUrlEncoded, requestBody: postFormData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PatchToUrlAsync(this string url, object formData = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
string postFormData = formData != null ? QueryStringSerializer.SerializeToString(formData) : null;
return SendStringToUrlAsync(url, method: "PATCH",
contentType: MimeTypes.FormUrlEncoded, requestBody: postFormData,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PatchJsonToUrl(this string url, string json,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PATCH", requestBody: json, contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PatchJsonToUrlAsync(this string url, string json,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PATCH", requestBody: json, contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string PatchJsonToUrl(this string url, object data,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "PATCH", requestBody: data.ToJson(), contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> PatchJsonToUrlAsync(this string url, object data,
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "PATCH", requestBody: data.ToJson(), contentType: MimeTypes.Json, accept: MimeTypes.Json,
requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string DeleteFromUrl(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "DELETE", accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> DeleteFromUrlAsync(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "DELETE", accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string OptionsFromUrl(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "OPTIONS", accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> OptionsFromUrlAsync(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "OPTIONS", accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string HeadFromUrl(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrl(url, method: "HEAD", accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<string> HeadFromUrlAsync(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendStringToUrlAsync(url, method: "HEAD", accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static string SendStringToUrl(this string url, string method = null,
string requestBody = null, string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
var webReq = (HttpWebRequest)WebRequest.Create(url);
if (method != null)
webReq.Method = method;
if (contentType != null)
webReq.ContentType = contentType;
webReq.Accept = accept;
PclExport.Instance.AddCompression(webReq);
requestFilter?.Invoke(webReq);
if (ResultsFilter != null)
{
return ResultsFilter.GetString(webReq, requestBody);
}
if (requestBody != null)
{
using (var reqStream = PclExport.Instance.GetRequestStream(webReq))
using (var writer = new StreamWriter(reqStream, UseEncoding))
{
writer.Write(requestBody);
}
}
using (var webRes = PclExport.Instance.GetResponse(webReq))
using (var stream = webRes.GetResponseStream())
using (var reader = new StreamReader(stream, UseEncoding))
{
responseFilter?.Invoke((HttpWebResponse)webRes);
return reader.ReadToEnd();
}
}
public static Task<string> SendStringToUrlAsync(this string url, string method = null, string requestBody = null,
string contentType = null, string accept = "*/*", Action<HttpWebRequest> requestFilter = null,
Action<HttpWebResponse> responseFilter = null)
{
var webReq = (HttpWebRequest)WebRequest.Create(url);
if (method != null)
webReq.Method = method;
if (contentType != null)
webReq.ContentType = contentType;
webReq.Accept = accept;
PclExport.Instance.AddCompression(webReq);
requestFilter?.Invoke(webReq);
if (ResultsFilter != null)
{
var result = ResultsFilter.GetString(webReq, requestBody);
var tcsResult = new TaskCompletionSource<string>();
tcsResult.SetResult(result);
return tcsResult.Task;
}
if (requestBody != null)
{
using (var reqStream = PclExport.Instance.GetRequestStream(webReq))
using (var writer = new StreamWriter(reqStream, UseEncoding))
{
writer.Write(requestBody);
}
}
var taskWebRes = webReq.GetResponseAsync();
var tcs = new TaskCompletionSource<string>();
taskWebRes.ContinueWith(task =>
{
if (task.Exception != null)
{
tcs.SetException(task.Exception);
return;
}
if (task.IsCanceled)
{
tcs.SetCanceled();
return;
}
var webRes = task.Result;
responseFilter?.Invoke((HttpWebResponse)webRes);
using (var stream = webRes.GetResponseStream())
using (var reader = new StreamReader(stream, UseEncoding))
{
tcs.SetResult(reader.ReadToEnd());
}
});
return tcs.Task;
}
public static byte[] GetBytesFromUrl(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return url.SendBytesToUrl(accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<byte[]> GetBytesFromUrlAsync(this string url, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return url.SendBytesToUrlAsync(accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static byte[] PostBytesToUrl(this string url, byte[] requestBody = null, string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendBytesToUrl(url, method: "POST",
contentType: contentType, requestBody: requestBody,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<byte[]> PostBytesToUrlAsync(this string url, byte[] requestBody = null, string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendBytesToUrlAsync(url, method: "POST",
contentType: contentType, requestBody: requestBody,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static byte[] PutBytesToUrl(this string url, byte[] requestBody = null, string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendBytesToUrl(url, method: "PUT",
contentType: contentType, requestBody: requestBody,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static Task<byte[]> PutBytesToUrlAsync(this string url, byte[] requestBody = null, string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
return SendBytesToUrlAsync(url, method: "PUT",
contentType: contentType, requestBody: requestBody,
accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
}
public static byte[] SendBytesToUrl(this string url, string method = null,
byte[] requestBody = null, string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
var webReq = (HttpWebRequest)WebRequest.Create(url);
if (method != null)
webReq.Method = method;
if (contentType != null)
webReq.ContentType = contentType;
webReq.Accept = accept;
PclExport.Instance.AddCompression(webReq);
requestFilter?.Invoke(webReq);
if (ResultsFilter != null)
{
return ResultsFilter.GetBytes(webReq, requestBody);
}
if (requestBody != null)
{
using (var req = PclExport.Instance.GetRequestStream(webReq))
{
req.Write(requestBody, 0, requestBody.Length);
}
}
using (var webRes = PclExport.Instance.GetResponse(webReq))
{
responseFilter?.Invoke((HttpWebResponse)webRes);
using (var stream = webRes.GetResponseStream())
{
return stream.ReadFully();
}
}
}
public static Task<byte[]> SendBytesToUrlAsync(this string url, string method = null,
byte[] requestBody = null, string contentType = null, string accept = "*/*",
Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
{
var webReq = (HttpWebRequest)WebRequest.Create(url);
if (method != null)
webReq.Method = method;
if (contentType != null)
webReq.ContentType = contentType;
webReq.Accept = accept;
PclExport.Instance.AddCompression(webReq);
requestFilter?.Invoke(webReq);
if (ResultsFilter != null)
{
var result = ResultsFilter.GetBytes(webReq, requestBody);
var tcsResult = new TaskCompletionSource<byte[]>();
tcsResult.SetResult(result);
return tcsResult.Task;
}
if (requestBody != null)
{
using (var req = PclExport.Instance.GetRequestStream(webReq))
{
req.Write(requestBody, 0, requestBody.Length);
}
}
var taskWebRes = webReq.GetResponseAsync();
var tcs = new TaskCompletionSource<byte[]>();
taskWebRes.ContinueWith(task =>
{
if (task.Exception != null)
{
tcs.SetException(task.Exception);
return;
}
if (task.IsCanceled)
{
tcs.SetCanceled();
return;
}
var webRes = task.Result;
responseFilter?.Invoke((HttpWebResponse)webRes);
using (var stream = webRes.GetResponseStream())
{
tcs.SetResult(stream.ReadFully());
}
});
return tcs.Task;
}
public static bool IsAny300(this Exception ex)
{
var status = ex.GetStatus();
return status >= HttpStatusCode.MultipleChoices && status < HttpStatusCode.BadRequest;
}
public static bool IsAny400(this Exception ex)
{
var status = ex.GetStatus();
return status >= HttpStatusCode.BadRequest && status < HttpStatusCode.InternalServerError;
}
public static bool IsAny500(this Exception ex)
{
var status = ex.GetStatus();
return status >= HttpStatusCode.InternalServerError && (int)status < 600;
}
public static bool IsNotModified(this Exception ex)
{
return GetStatus(ex) == HttpStatusCode.NotModified;
}
public static bool IsBadRequest(this Exception ex)
{
return GetStatus(ex) == HttpStatusCode.BadRequest;
}
public static bool IsNotFound(this Exception ex)
{
return GetStatus(ex) == HttpStatusCode.NotFound;
}
public static bool IsUnauthorized(this Exception ex)
{
return GetStatus(ex) == HttpStatusCode.Unauthorized;
}
public static bool IsForbidden(this Exception ex)
{
return GetStatus(ex) == HttpStatusCode.Forbidden;
}
public static bool IsInternalServerError(this Exception ex)
{
return GetStatus(ex) == HttpStatusCode.InternalServerError;
}
public static HttpStatusCode? GetResponseStatus(this string url)
{
try
{
var webReq = (HttpWebRequest)WebRequest.Create(url);
using (var webRes = PclExport.Instance.GetResponse(webReq))
{
var httpRes = webRes as HttpWebResponse;
return httpRes?.StatusCode;
}
}
catch (Exception ex)
{
return ex.GetStatus();
}
}
public static HttpStatusCode? GetStatus(this Exception ex)
{
if (ex == null)
return null;
var webEx = ex as WebException;
if (webEx != null)
return GetStatus(webEx);
var hasStatus = ex as IHasStatusCode;
if (hasStatus != null)
return (HttpStatusCode)hasStatus.StatusCode;
return null;
}
public static HttpStatusCode? GetStatus(this WebException webEx)
{
var httpRes = webEx?.Response as HttpWebResponse;
return httpRes?.StatusCode;
}
public static bool HasStatus(this Exception ex, HttpStatusCode statusCode)
{
return GetStatus(ex) == statusCode;
}
public static string GetResponseBody(this Exception ex)
{
var webEx = ex as WebException;
if (webEx == null || webEx.Response == null
#if !(SL5 || PCL || NETSTANDARD1_1)
|| webEx.Status != WebExceptionStatus.ProtocolError
#endif
) return null;
var errorResponse = (HttpWebResponse)webEx.Response;
using (var reader = new StreamReader(errorResponse.GetResponseStream(), UseEncoding))
{
return reader.ReadToEnd();
}
}
public static string ReadToEnd(this WebResponse webRes)
{
using (var stream = webRes.GetResponseStream())
using (var reader = new StreamReader(stream, UseEncoding))
{
return reader.ReadToEnd();
}
}
public static IEnumerable<string> ReadLines(this WebResponse webRes)
{
using (var stream = webRes.GetResponseStream())
using (var reader = new StreamReader(stream, UseEncoding))
{
string line;
while ((line = reader.ReadLine()) != null)
{
yield return line;
}
}
}
public static HttpWebResponse GetErrorResponse(this string url)
{
try
{
var webReq = WebRequest.Create(url);
using (var webRes = PclExport.Instance.GetResponse(webReq))
{
webRes.ReadToEnd();
return null;
}
}
catch (WebException webEx)
{
return (HttpWebResponse)webEx.Response;
}
}
public static Task<Stream> GetRequestStreamAsync(this WebRequest request)
{
return GetRequestStreamAsync((HttpWebRequest)request);
}
public static Task<Stream> GetRequestStreamAsync(this HttpWebRequest request)
{
var tcs = new TaskCompletionSource<Stream>();
try
{
request.BeginGetRequestStream(iar =>
{
try
{
var response = request.EndGetRequestStream(iar);
tcs.SetResult(response);
}
catch (Exception exc)
{
tcs.SetException(exc);
}
}, null);
}
catch (Exception exc)
{
tcs.SetException(exc);
}
return tcs.Task;
}
public static Task<TBase> ConvertTo<TDerived, TBase>(this Task<TDerived> task) where TDerived : TBase
{
var tcs = new TaskCompletionSource<TBase>();
task.ContinueWith(t => tcs.SetResult(t.Result), TaskContinuationOptions.OnlyOnRanToCompletion);
task.ContinueWith(t => tcs.SetException(t.Exception.InnerExceptions), TaskContinuationOptions.OnlyOnFaulted);
task.ContinueWith(t => tcs.SetCanceled(), TaskContinuationOptions.OnlyOnCanceled);
return tcs.Task;
}
public static Task<WebResponse> GetResponseAsync(this WebRequest request)
{
return GetResponseAsync((HttpWebRequest)request).ConvertTo<HttpWebResponse, WebResponse>();
}
public static Task<HttpWebResponse> GetResponseAsync(this HttpWebRequest request)
{
var tcs = new TaskCompletionSource<HttpWebResponse>();
try
{
request.BeginGetResponse(iar =>
{
try
{
var response = (HttpWebResponse)request.EndGetResponse(iar);
tcs.SetResult(response);
}
catch (Exception exc)
{
tcs.SetException(exc);
}
}, null);
}
catch (Exception exc)
{
tcs.SetException(exc);
}
return tcs.Task;
}
public static void UploadFile(this WebRequest webRequest, Stream fileStream, string fileName, string mimeType,
string accept = null, Action<HttpWebRequest> requestFilter = null, string method = "POST")
{
var httpReq = (HttpWebRequest)webRequest;
httpReq.Method = method;
if (accept != null)
httpReq.Accept = accept;
requestFilter?.Invoke(httpReq);
var boundary = Guid.NewGuid().ToString("N");
httpReq.ContentType = "multipart/form-data; boundary=\"" + boundary + "\"";
var boundarybytes = ("\r\n--" + boundary + "--\r\n").ToAsciiBytes();
var headerTemplate = "\r\n--" + boundary +
"\r\nContent-Disposition: form-data; name=\"file\"; filename=\"{0}\"\r\nContent-Type: {1}\r\n\r\n";
var header = string.Format(headerTemplate, fileName, mimeType);
var headerbytes = header.ToAsciiBytes();
var contentLength = fileStream.Length + headerbytes.Length + boundarybytes.Length;
PclExport.Instance.InitHttpWebRequest(httpReq,
contentLength: contentLength, allowAutoRedirect: false, keepAlive: false);
if (ResultsFilter != null)
{
ResultsFilter.UploadStream(httpReq, fileStream, fileName);
return;
}
using (var outputStream = PclExport.Instance.GetRequestStream(httpReq))
{
outputStream.Write(headerbytes, 0, headerbytes.Length);
fileStream.CopyTo(outputStream, 4096);
outputStream.Write(boundarybytes, 0, boundarybytes.Length);
PclExport.Instance.CloseStream(outputStream);