Example #1
0
        public static MemoryStream GetFile(string url)
        {
            try
            {
                var data = new Http_Client().get(url);

                return(data);
            }
            catch (Exception ex)
            {
                Console.WriteLine(string.Format("url:{0} , error:{1}", url, ex.Message));

                return(null);
            }
        }
Example #2
0
        private MemoryStream init(string url, string datainfo = null, string method = "get", string charset = "UTF-8", string referer = null)
        {
            MemoryStream stream = null;

            #region
            var    coding   = Encoding.GetEncoding(charset);
            byte[] dataByte = null;
            if (datainfo != null)
            {
                dataByte = coding.GetBytes(datainfo);
            }
            Uri uri = new Uri(url);
            _socket.Connect(uri.Host, uri.Port);
            MemoryStream ms = new MemoryStream();
            if (referer == null)
            {
                referer = url;
            }
            StringBuilder sb = new StringBuilder();
            sb.Append(string.Format("{0} {1} HTTP/1.1\r\n", method.ToUpper(), uri.PathAndQuery));
            sb.Append(string.Format("Host: {0}\r\n", uri.Authority));
            sb.Append("Accept: */*\r\n");
            sb.Append("Content-Type:application/x-www-form-urlencoded\r\n");
            //sb.Append("Connection: keep - alive\r\n");
            //sb.Append("User - Agent: Mozilla / 5.0(Windows NT 10.0; WOW64) AppleWebKit / 537.36(KHTML, like Gecko) Chrome / 63.0.3239.132 Safari / 537.36\r\n");
            //sb.Append(string.Format("Accept: image / webp,image / apng,image/*,*/*; q = 0.8\r\n"));
            //sb.Append(string.Format("Referer: {0}\r\n", referer));
            //sb.Append(string.Format("Accept - Encoding: gzip, deflate, br\r\n"));
            //if (datainfo != null)
            //    sb.Append(string.Format("Content-Length:{0}\r\n", dataByte.Length));
            //sb.Append(string.Format("Accept - Language: zh - CN,zh; q = 0.9,en; q = 0.8\r\n"));
            sb.Append(string.Format("\r\n"));
            var sendinfo = sb.ToString();
            _socket.ReceiveTimeout = 1000 * timeout;
            _socket.SendTimeout    = 1000 * timeout;

            isHttps = string.Compare(uri.Scheme, "https", false) == 0;
            if (isHttps)
            {
                ssl = new SslStream(new NetworkStream(_socket), false, delegate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) {
                    return(sslPolicyErrors == SslPolicyErrors.None);
                }, null);
                ssl.ReadTimeout  = 1000 * timeout;
                ssl.WriteTimeout = 1000 * timeout;
                ssl.AuthenticateAsClient(uri.Host);
                ssl.Write(coding.GetBytes(sendinfo));
                if (datainfo != null)
                {
                    ssl.Write(dataByte);
                }
                //ssl.Flush();
            }
            else
            {
                var result_int = _socket.Send(coding.GetBytes(sendinfo));
                if (datainfo != null)
                {
                    result_int = _socket.Send(dataByte);
                }
            }
            #endregion
            byte[] filedata    = getHeader();
            int    status_code = int.Parse(HttpHeaders.ResponseStatusCode);
            if (status_code != 200)
            {
            }
            switch (status_code)
            {
            case 403: return(stream);

            default: break;
            }
            //Console.WriteLine("                                               {0}",status_code);
            if (status_code >= 500)
            {
                Console.WriteLine("                服务器返回状态码:{0}  ---  {1}", status_code, url);
                return(stream);
            }

            if (HttpHeaders.IsChunk)
            {
                byte[] data       = new byte[102400];
                int    bodyStart  = 0;//数据部分起始位置
                int    readLength = filedata.Length;
                stream = new MemoryStream();
                Array.Copy(filedata, 0, data, 0, filedata.Length);
                GetChunkData(ref data, ref bodyStart, ref readLength, ref stream);
            }
            else
            {
                stream = defaultReceive(filedata);
            }
            if (!string.IsNullOrWhiteSpace(this.HttpHeaders.Location))
            {
                stream = new Http_Client().get(this.HttpHeaders.Location, referer = uri.AbsoluteUri);
            }
            if (HttpHeaders.IsGzip)
            {
                stream = unGzip(stream);
            }
            stream.Flush();
            return(stream);
        }