Beispiel #1
0
 private static string SendData(
    string method,
    string url,
    PostContentData[] postDatas = null,
    FileContentData[] fileDatas = null,
    HeaderData[] headers = null,
    string userAgent = null,
    NetworkCredential credential = null,
    ProxySettings proxySettings = null,
    int timeout = TIMEOUT,
    int maxAttempts = CONNECTION_ATTEMPTS,
    bool getResponse = true)
 {
     var response = SendData(false, method, url, postDatas, fileDatas, headers, userAgent, credential, proxySettings, timeout, maxAttempts, getResponse);
     if (response != null && response.Body != null) return Encoding.ASCII.GetString(response.Body);
     else return null;
 }
Beispiel #2
0
        private static ResponseInfo SendData(
            bool returnBytes,
            string method,
            string url,
            PostContentData[] postDatas = null,
            FileContentData[] fileDatas = null,
            HeaderData[] headers = null,
            string userAgent = null,
            NetworkCredential credential = null,
            ProxySettings proxySettings = null,
            int timeout = TIMEOUT,
            int maxAttempts = CONNECTION_ATTEMPTS,
            bool getResponse = true
            )
        {
            ResponseInfo result = null;

            int attempts = 0;
            bool success = false;
            string message = null;

            // Try to send data for number of connectionAttempts
            while (attempts < maxAttempts && !success)
            {
                attempts += 1;

                try
                {
                    // Create HTTP request and define Header info
                    var request = (HttpWebRequest)WebRequest.Create(url);

                    string boundary = String_Functions.RandomString(10);

                    request.Timeout = timeout;
                    request.ReadWriteTimeout = timeout;
                    if (method == "POST") request.ContentType = "multipart/form-data; boundary=" + boundary;
                    else request.ContentType = "application/x-www-form-urlencoded";

                    // Set the Method
                    request.Method = method;

                    // Set the UserAgent
                    if (userAgent != null) request.UserAgent = userAgent;
                    else request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";

                    // Add Header data to request stream (if present)
                    if (headers != null)
                    {
                        foreach (var header in headers)
                        {
                            request.Headers[header.Id] = header.Text;
                        }
                    }

                    // set NetworkCredentials
                    if (credential != null)
                    {
                        request.Credentials = credential;
                        request.PreAuthenticate = true;
                    }

                    // Get Default System Proxy (Windows Internet Settings -> Proxy Settings)
                    var proxy = WebRequest.GetSystemWebProxy();

                    // Get Custom Proxy Settings from Argument (overwrite default proxy settings)
                    if (proxySettings != null)
                    {
                        if (proxySettings.Address != null && proxySettings.Port > 0)
                        {
                            var customProxy = new WebProxy(proxySettings.Address, proxySettings.Port);
                            customProxy.BypassProxyOnLocal = false;
                            proxy = customProxy;
                        }
                    }

                    request.Proxy = proxy;

                    var bytes = new List<byte>();

                    // Add Post Name/Value Pairs
                    if (postDatas != null)
                    {
                        string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";

                        foreach (var postData in postDatas)
                        {
                            string formitem = string.Format(formdataTemplate, postData.Name, postData.Value);

                            bytes.AddRange(GetBytes("\r\n--" + boundary + "\r\n"));
                            bytes.AddRange(GetBytes(formitem));
                        }
                    }

                    // Add File data
                    if (fileDatas != null)
                    {
                        bytes.AddRange(GetFileContents(fileDatas, boundary));
                    }

                    if (bytes.Count > 0)
                    {
                        // Write Trailer Boundary
                        string trailer = "\r\n--" + boundary + "--\r\n";
                        bytes.AddRange(GetBytes(trailer));

                        var byteArray = bytes.ToArray();

                        // Write Data to Request Stream
                        request.ContentLength = byteArray.Length;

                        using (var requestStream = request.GetRequestStream())
                        {
                            requestStream.Write(byteArray, 0, byteArray.Length);
                        }
                    }

                    // Get Response Message from HTTP Request
                    if (getResponse)
                    {
                        result = new ResponseInfo();

                        using (var response = (HttpWebResponse)request.GetResponse())
                        {
                            // Get HTTP Response Body
                            using (var responseStream = response.GetResponseStream())
                            using (var memStream = new MemoryStream())
                            {
                                byte[] buffer = new byte[10240];

                                int read;
                                while ((read = responseStream.Read(buffer, 0, buffer.Length)) > 0)
                                {
                                    memStream.Write(buffer, 0, read);
                                }

                                result.Body = memStream.ToArray();

                                success = true;
                            }

                            var responseHeaders = new List<ReponseHeaderInfo>();

                            // Get HTTP Response Headers
                            foreach (var key in response.Headers.AllKeys)
                            {
                                var header = new ReponseHeaderInfo();
                                header.Key = key;
                                header.Value = response.Headers.Get(key);

                                responseHeaders.Add(header);
                            }

                            result.Headers = responseHeaders.ToArray();
                        }
                    }
                    else success = true;
                }
                catch (WebException wex) { message = wex.Message; }
                catch (Exception ex) { message = ex.Message; }

                if (!success) System.Threading.Thread.Sleep(500);
            }

            if (!success) Logger.Log("Send :: " + attempts.ToString() + " Attempts :: URL = " + url + " :: " + message);

            return result;
        }
Beispiel #3
0
        private static ResponseInfo SendData(
            bool returnBytes,
            string method,
            string url,
            PostContentData[] postDatas  = null,
            FileContentData[] fileDatas  = null,
            HeaderData[] headers         = null,
            string userAgent             = null,
            NetworkCredential credential = null,
            ProxySettings proxySettings  = null,
            int timeout      = TIMEOUT,
            int maxAttempts  = CONNECTION_ATTEMPTS,
            bool getResponse = true
            )
        {
            ResponseInfo result = null;

            int    attempts = 0;
            bool   success  = false;
            string message  = null;

            // Try to send data for number of connectionAttempts
            while (attempts < maxAttempts && !success)
            {
                attempts += 1;

                try
                {
                    // Create HTTP request and define Header info
                    var request = (HttpWebRequest)WebRequest.Create(url);

                    string boundary = String_Functions.RandomString(10);

                    request.Timeout          = timeout;
                    request.ReadWriteTimeout = timeout;
                    if (method == "POST")
                    {
                        request.ContentType = "multipart/form-data; boundary=" + boundary;
                    }
                    else
                    {
                        request.ContentType = "application/x-www-form-urlencoded";
                    }


                    // Set the Method
                    request.Method = method;

                    // Set the UserAgent
                    if (userAgent != null)
                    {
                        request.UserAgent = userAgent;
                    }
                    else
                    {
                        request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
                    }

                    // Add Header data to request stream (if present)
                    if (headers != null)
                    {
                        foreach (var header in headers)
                        {
                            request.Headers[header.Id] = header.Text;
                        }
                    }

                    // set NetworkCredentials
                    if (credential != null)
                    {
                        request.Credentials     = credential;
                        request.PreAuthenticate = true;
                    }

                    // Get Default System Proxy (Windows Internet Settings -> Proxy Settings)
                    var proxy = WebRequest.GetSystemWebProxy();

                    // Get Custom Proxy Settings from Argument (overwrite default proxy settings)
                    if (proxySettings != null)
                    {
                        if (proxySettings.Address != null && proxySettings.Port > 0)
                        {
                            var customProxy = new WebProxy(proxySettings.Address, proxySettings.Port);
                            customProxy.BypassProxyOnLocal = false;
                            proxy = customProxy;
                        }
                    }

                    request.Proxy = proxy;

                    var bytes = new List <byte>();

                    // Add Post Name/Value Pairs
                    if (postDatas != null)
                    {
                        string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";

                        foreach (var postData in postDatas)
                        {
                            string formitem = string.Format(formdataTemplate, postData.Name, postData.Value);

                            bytes.AddRange(GetBytes("\r\n--" + boundary + "\r\n"));
                            bytes.AddRange(GetBytes(formitem));
                        }
                    }

                    // Add File data
                    if (fileDatas != null)
                    {
                        bytes.AddRange(GetFileContents(fileDatas, boundary));
                    }

                    if (bytes.Count > 0)
                    {
                        // Write Trailer Boundary
                        string trailer = "\r\n--" + boundary + "--\r\n";
                        bytes.AddRange(GetBytes(trailer));

                        var byteArray = bytes.ToArray();

                        // Write Data to Request Stream
                        request.ContentLength = byteArray.Length;

                        using (var requestStream = request.GetRequestStream())
                        {
                            requestStream.Write(byteArray, 0, byteArray.Length);
                        }
                    }

                    // Get Response Message from HTTP Request
                    if (getResponse)
                    {
                        result = new ResponseInfo();

                        using (var response = (HttpWebResponse)request.GetResponse())
                        {
                            // Get HTTP Response Body
                            using (var responseStream = response.GetResponseStream())
                                using (var memStream = new MemoryStream())
                                {
                                    byte[] buffer = new byte[10240];

                                    int read;
                                    while ((read = responseStream.Read(buffer, 0, buffer.Length)) > 0)
                                    {
                                        memStream.Write(buffer, 0, read);
                                    }

                                    result.Body = memStream.ToArray();

                                    success = true;
                                }

                            var responseHeaders = new List <ReponseHeaderInfo>();

                            // Get HTTP Response Headers
                            foreach (var key in response.Headers.AllKeys)
                            {
                                var header = new ReponseHeaderInfo();
                                header.Key   = key;
                                header.Value = response.Headers.Get(key);

                                responseHeaders.Add(header);
                            }

                            result.Headers = responseHeaders.ToArray();
                        }
                    }
                    else
                    {
                        success = true;
                    }
                }
                catch (WebException wex) { message = wex.Message; }
                catch (Exception ex) { message = ex.Message; }

                if (!success)
                {
                    System.Threading.Thread.Sleep(500);
                }
            }

            if (!success)
            {
                Logger.Log("Send :: " + attempts.ToString() + " Attempts :: URL = " + url + " :: " + message);
            }

            return(result);
        }