mirror of
https://github.com/modernw/App-Installer-For-Windows-8.x-Reset.git
synced 2026-04-11 17:57:19 +10:00
322 lines
10 KiB
C#
322 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Runtime.InteropServices;
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using System.Text;
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using Newtonsoft.Json;
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namespace DataUtils
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{
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[ComVisible (true)]
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[InterfaceType (ComInterfaceType.InterfaceIsDual)]
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public interface IHttpResponse: IDisposable
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{
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int Status { get; } // 兼容旧版，等同于 StatusCode
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int StatusCode { get; }
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string StatusText { get; } // 等同于 StatusDescription
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string StatusDescription { get; }
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string ResponseUrl { get; }
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Uri ResponseUri { get; }
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string ContentType { get; }
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long ContentLength { get; } // 注意：JS 中 Number 可表示 2^53 以内整数
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string CharacterSet { get; }
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string ContentEncoding { get; }
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DateTime LastModified { get; }
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string Method { get; } // 原始请求方法 (GET, POST...)
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Version ProtocolVersion { get; } // 如 1.1，JS 中可能转为字符串
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bool IsFromCache { get; }
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bool IsMutuallyAuthenticated { get; }
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string Text ();
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_I_Enumerable Bytes ();
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}
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[ComVisible (true)]
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[ClassInterface (ClassInterfaceType.AutoDual)]
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public class HttpResponse: IHttpResponse, IDisposable
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{
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private readonly byte [] _data;
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private readonly Dictionary<string, string> _headersDict;
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private bool _disposed = false;
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public int Status => StatusCode;
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public int StatusCode { get; private set; }
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public string StatusText => StatusDescription;
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public string StatusDescription { get; private set; }
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public string ResponseUrl => ResponseUri?.ToString ();
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public Uri ResponseUri { get; private set; }
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public string ContentType { get; private set; }
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public long ContentLength { get; private set; }
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public string CharacterSet { get; private set; }
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public string ContentEncoding { get; private set; }
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public DateTime LastModified { get; private set; }
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public string Method { get; private set; }
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public Version ProtocolVersion { get; private set; }
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public bool IsFromCache { get; private set; }
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public bool IsMutuallyAuthenticated { get; private set; }
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public HttpResponse (HttpWebResponse response)
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{
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if (response == null) throw new ArgumentNullException (nameof (response));
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using (var stream = response.GetResponseStream ())
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using (var ms = new MemoryStream ())
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{
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stream.CopyTo (ms);
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_data = ms.ToArray ();
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}
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StatusCode = (int)response.StatusCode;
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StatusDescription = response.StatusDescription;
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ResponseUri = response.ResponseUri;
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Method = response.Method;
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ProtocolVersion = new Version ((ushort)response.ProtocolVersion.Major, (ushort)response.ProtocolVersion.Minor, (ushort)response.ProtocolVersion.Build, (ushort)response.ProtocolVersion.Revision);
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IsFromCache = response.IsFromCache;
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IsMutuallyAuthenticated = response.IsMutuallyAuthenticated;
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ContentType = response.ContentType ?? "";
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ContentLength = response.ContentLength;
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CharacterSet = response.CharacterSet ?? "";
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ContentEncoding = response.ContentEncoding ?? "";
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LastModified = response.LastModified;
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_headersDict = new Dictionary<string, string> (StringComparer.OrdinalIgnoreCase);
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foreach (string key in response.Headers.AllKeys)
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{
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if (!string.IsNullOrEmpty (key))
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_headersDict [key] = response.Headers [key];
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}
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}
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public HttpResponse (int statusCode, string statusDescription, string responseUrl, byte [] data, Dictionary<string, string> headers)
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{
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StatusCode = statusCode;
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StatusDescription = statusDescription ?? "";
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ResponseUri = string.IsNullOrEmpty (responseUrl) ? null : new Uri (responseUrl);
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_data = data ?? new byte [0];
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_headersDict = headers ?? new Dictionary<string, string> ();
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ContentType = GetHeader ("Content-Type") ?? "";
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ContentLength = _data.Length;
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CharacterSet = "";
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ContentEncoding = "";
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LastModified = DateTime.MinValue;
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Method = "";
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ProtocolVersion = new Version (0, 0);
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IsFromCache = false;
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IsMutuallyAuthenticated = false;
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}
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public string GetHeader (string sName)
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{
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if (string.IsNullOrEmpty (sName)) return null;
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try
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{
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return _headersDict [sName];
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}
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catch { return null; }
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}
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public string GetHeadersToJson ()
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{
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return JsonConvert.SerializeObject (_headersDict);
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}
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public string Text ()
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{
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string charset = CharacterSet;
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Encoding enc = Encoding.UTF8;
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if (!string.IsNullOrEmpty (charset))
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{
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try { enc = Encoding.GetEncoding (charset); }
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catch { /* 保持 UTF-8 */ }
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}
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return enc.GetString (_data);
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}
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public _I_Enumerable Bytes ()
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{
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var list = new List<object> ();
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foreach (byte b in _data)
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list.Add (b);
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return new _I_List (list);
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}
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public void Dispose ()
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{
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Dispose (true);
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GC.SuppressFinalize (this);
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}
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protected virtual void Dispose (bool disposing)
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{
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if (!_disposed)
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{
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_disposed = true;
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}
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}
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}
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[ComVisible (true)]
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[ClassInterface (ClassInterfaceType.AutoDual)]
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public class HttpRequest: IDisposable
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{
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private string _method;
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private string _url;
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private Dictionary<string, string> _headers = new Dictionary<string, string> ();
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public int Timeout { get; set; } = 100000; // 毫秒，默认 100 秒
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public int ReadWriteTimeout { get; set; } = 300000; // 读写超时，默认 5 分钟
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public bool AllowAutoRedirect { get; set; } = true;
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public bool AllowWriteStreamBuffering { get; set; } = true;
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public bool KeepAlive { get; set; } = true;
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public int MaximumAutomaticRedirections { get; set; } = 50;
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public string UserAgent
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{
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get { return GetHeader ("User-Agent"); }
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set { SetHeader ("User-Agent", value); }
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}
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public string Referer
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{
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get { return GetHeader ("Referer"); }
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set { SetHeader ("Referer", value); }
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}
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public string ContentType
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{
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get { return GetHeader ("Content-Type"); }
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set { SetHeader ("Content-Type", value); }
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}
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public string Accept
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{
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get { return GetHeader ("Accept"); }
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set { SetHeader ("Accept", value); }
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}
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public IWebProxy Proxy { get; set; } = null;
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public CookieContainer CookieContainer { get; set; } = null;
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private string _httpver = "1.1";
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public string ProtocolVersion
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{
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get { return _httpver; }
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set { _httpver = value; }
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}
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public System.Version ProtVer
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{
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get
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{
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switch (_httpver)
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{
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case "1.0": return HttpVersion.Version10;
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default:
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case "1.1": return HttpVersion.Version11;
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}
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}
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}
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public bool PreAuthenticate { get; set; } = false;
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public ICredentials Credentials { get; set; } = null;
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public bool AutomaticDecompression { get; set; } = false;
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public Action<long, long> UploadProgressCallback { get; set; } = null;
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public void Open (string sMethod, string sUrl)
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{
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_method = sMethod;
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_url = sUrl;
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}
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public void SetHeader (string sName, string sValue) => _headers [sName] = sValue;
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public string GetHeader (string sName) => _headers [sName];
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public string GetHeadersToJson () => JsonConvert.SerializeObject (_headers);
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public void RemoveHeader (string sName) => _headers.Remove (sName);
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public void ClearHeader () => _headers.Clear ();
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public IHttpResponse Send (string sBody, string encoding)
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{
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var req = (HttpWebRequest)WebRequest.Create (_url);
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req.Method = _method;
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req.Timeout = Timeout;
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req.ReadWriteTimeout = ReadWriteTimeout;
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req.AllowAutoRedirect = AllowAutoRedirect;
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req.AllowWriteStreamBuffering = AllowWriteStreamBuffering;
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req.KeepAlive = KeepAlive;
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req.MaximumAutomaticRedirections = MaximumAutomaticRedirections;
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if (Proxy != null) req.Proxy = Proxy;
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if (CookieContainer != null) req.CookieContainer = CookieContainer;
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req.ProtocolVersion = ProtVer;
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req.PreAuthenticate = PreAuthenticate;
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if (Credentials != null) req.Credentials = Credentials;
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if (AutomaticDecompression)
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req.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
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if (_headers.ContainsKey ("User-Agent"))
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req.UserAgent = _headers ["User-Agent"];
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foreach (var h in _headers)
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{
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if (string.Equals (h.Key, "User-Agent", StringComparison.OrdinalIgnoreCase))
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continue;
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if (string.Equals (h.Key, "Content-Type", StringComparison.OrdinalIgnoreCase))
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{
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string ct = h.Value;
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if (!string.IsNullOrEmpty (sBody) && !ct.Contains ("charset"))
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{
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Encoding enc = Encoding.GetEncoding (encoding);
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ct = ct + "; charset=" + enc.WebName;
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}
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req.ContentType = ct;
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}
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else if (string.Equals (h.Key, "Accept", StringComparison.OrdinalIgnoreCase))
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{
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req.Accept = h.Value;
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}
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else if (string.Equals (h.Key, "Referer", StringComparison.OrdinalIgnoreCase))
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{
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req.Referer = h.Value;
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}
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else
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{
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req.Headers [h.Key] = h.Value;
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}
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}
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// 如果没有显式设置 Content-Type 且是 POST/PUT 且有请求体，设置默认值
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bool hasContentType = _headers.Keys.Any (k => string.Equals (k, "Content-Type", StringComparison.OrdinalIgnoreCase));
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if (!hasContentType && (string.Equals (_method, "POST", StringComparison.OrdinalIgnoreCase) ||
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string.Equals (_method, "PUT", StringComparison.OrdinalIgnoreCase)) &&
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!string.IsNullOrEmpty (sBody))
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{
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Encoding enc = Encoding.GetEncoding (encoding);
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req.ContentType = "application/x-www-form-urlencoded; charset=" + enc.WebName;
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}
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// 写入请求体
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if (!string.IsNullOrEmpty (sBody))
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{
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Encoding enc = Encoding.GetEncoding (encoding);
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byte [] bytes = enc.GetBytes (sBody);
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req.ContentLength = bytes.Length;
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using (var stream = req.GetRequestStream ())
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{
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if (UploadProgressCallback != null)
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{
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int totalWritten = 0;
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int bufferSize = 8192;
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for (int offset = 0; offset < bytes.Length; offset += bufferSize)
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{
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int chunkSize = Math.Min (bufferSize, bytes.Length - offset);
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stream.Write (bytes, offset, chunkSize);
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totalWritten += chunkSize;
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UploadProgressCallback (totalWritten, bytes.Length);
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}
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}
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else
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{
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stream.Write (bytes, 0, bytes.Length);
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}
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}
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}
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using (var res = (HttpWebResponse)req.GetResponse ())
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{
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return new HttpResponse (res);
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}
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}
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public void SendAsync (string sBody, string encoding, object pfResolve)
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{
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System.Threading.ThreadPool.QueueUserWorkItem (delegate
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{
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JsUtils.Call (pfResolve, Send (sBody, encoding));
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});
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}
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public void Dispose () { }
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}
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[ComVisible (true)]
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[ClassInterface (ClassInterfaceType.AutoDual)]
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public class _I_Http
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{
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public HttpRequest CreateHttpRequest () => new HttpRequest ();
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}
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[ComVisible (true)]
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[ClassInterface (ClassInterfaceType.AutoDual)]
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public class _I_Web
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{
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public _I_Http Http => new _I_Http ();
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}
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}
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