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61
Assets/Cryville/Common/Network/HttpResponse.cs
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61
Assets/Cryville/Common/Network/HttpResponse.cs
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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namespace Cryville.Common.Network {
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public class HttpResponse {
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static readonly char[] spchar = new char[]{ ' ' };
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public string HttpVersion { get; private set; }
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public string StatusCode { get; private set; }
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public string ReasonPhase { get; private set; }
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public Dictionary<string, string> Headers { get; private set; }
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public HttpResponseStream MessageBody { get; private set; }
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internal HttpResponse(Stream stream) {
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var reader = new BinaryReader(stream, Encoding.ASCII);
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var statu_line = ReadLine(reader).Split(spchar, 3);
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HttpVersion = statu_line[0];
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StatusCode = statu_line[1];
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ReasonPhase = statu_line[2];
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Logger.Log("main", 0, "Network", "Receive Response: {0} {1} {2}", HttpVersion, StatusCode, ReasonPhase);
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Headers = new Dictionary<string, string>();
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while (ParseHeader(reader, Headers)) ;
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if (Headers.ContainsKey("content-length")) {
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int length = int.Parse(Headers["content-length"]);
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MessageBody = new HttpResponseBlockStream(reader, length);
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}
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else if (Headers.ContainsKey("transfer-encoding") && Headers["transfer-encoding"] == "chunked") {
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MessageBody = new HttpResponseChunkedStream(reader);
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}
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}
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public override string ToString() {
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return string.Format("<{0} {1} {2}>", HttpVersion, StatusCode, ReasonPhase);
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}
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internal static bool ParseHeader(BinaryReader reader, Dictionary<string,string> headers) {
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// TODO Multiline header
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var header = ReadLine(reader);
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if (header == "") return false;
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var s = header.Split(':');
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string field_name = s[0].Trim().ToLower();
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string field_value = s[1].Trim();
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if (headers.ContainsKey(field_name)) headers[field_name] += "," + field_value;
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else headers.Add(field_name, field_value);
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Logger.Log("main", 0, "Network", "Receive Header {0}: {1}", field_name, field_value);
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return true;
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}
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internal static string ReadLine(BinaryReader reader) {
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StringBuilder result = new StringBuilder();
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char c;
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while (true) {
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c = reader.ReadChar();
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if (c == '\r') break;
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result.Append(c);
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}
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// TODO Unseekable
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reader.ReadByte();
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return result.ToString();
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}
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}
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}
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