private HttpWebRequest BuildWebRequest(IORequest request, IOService service, string requestUriString, string reqMethod) {
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(requestUriString);
webReq.Timeout = DEFAULT_RESPONSE_TIMEOUT; // in millisecods (default is 100 seconds)
webReq.ReadWriteTimeout = DEFAULT_READWRITE_TIMEOUT; // in milliseconds
// [MOBPLAT-200] ... Allow Gzip or Deflate decompression methods
webReq.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
if (ServiceType.MULTIPART_FORM_DATA.Equals(service.Type))
{
SystemLogger.Log(SystemLogger.Module.CORE, "**** [MULTIPART_FORM_DATA]. Building specific WebRequest...");
webReq = BuildMultipartWebRequest(webReq, request, service, requestUriString);
}
else
{
webReq.Method = reqMethod; // default is POST
webReq.ContentType = contentTypes[service.Type];
// check specific request ContentType defined, and override service type in that case
if (request.ContentType != null && request.ContentType.Length > 0)
{
webReq.ContentType = request.ContentType;
}
SystemLogger.Log(SystemLogger.Module.CORE, "Request content type: " + webReq.ContentType);
SystemLogger.Log(SystemLogger.Module.CORE, "Request method: " + webReq.Method);
webReq.Accept = webReq.ContentType; // setting "Accept" header with the same value as "Content Type" header, it is needed to be defined for some services.
if (!reqMethod.Equals(RequestMethod.GET.ToString()) && request.Content != null)
{
webReq.ContentLength = request.GetContentLength();
SystemLogger.Log(SystemLogger.Module.CORE, "Setting request ContentLength (not needed for GET): " + webReq.ContentLength);
}
SystemLogger.Log(SystemLogger.Module.CORE, "Request content length: " + webReq.ContentLength);
webReq.KeepAlive = false;
}
webReq.AllowAutoRedirect = !request.StopAutoRedirect; // each request could decide if 302 redirection are automatically followed, or not. Default behaviour is to follow redirections and do not send back the 302 status code
webReq.ProtocolVersion = HttpVersion.Version10;
if (request.ProtocolVersion == HTTPProtocolVersion.HTTP11) webReq.ProtocolVersion = HttpVersion.Version11;
// user agent needs to be informed - some servers check this parameter and send 500 errors when not informed.
webReq.UserAgent = this.IOUserAgent;
SystemLogger.Log (SystemLogger.Module.CORE, "Request UserAgent : " + webReq.UserAgent);
/*************
* HEADERS HANDLING
*************/
// add specific headers to the request
if (request.Headers != null && request.Headers.Length > 0) {
foreach (IOHeader header in request.Headers) {
webReq.Headers.Add (header.Name, header.Value);
SystemLogger.Log (SystemLogger.Module.CORE, "Added request header: " + header.Name + "=" + webReq.Headers.Get (header.Name));
}
}
/*************
* COOKIES HANDLING
*************/
// Assign the cookie container on the request to hold cookie objects that are sent on the response.
// Required even though you no cookies are send.
webReq.CookieContainer = this.cookieContainer;
// add cookies to the request cookie container
if (request.Session != null && request.Session.Cookies != null && request.Session.Cookies.Length > 0) {
foreach (IOCookie cookie in request.Session.Cookies) {
if (cookie != null && cookie.Name != null) {
webReq.CookieContainer.Add (webReq.RequestUri, new Cookie (cookie.Name, cookie.Value));
SystemLogger.Log(SystemLogger.Module.CORE, "Added cookie [" + cookie.Name + "] to request. [" + cookie.Value + "]");
}
}
}
SystemLogger.Log (SystemLogger.Module.CORE, "HTTP Request cookies: " + webReq.CookieContainer.GetCookieHeader (webReq.RequestUri));
/*************
* SETTING A PROXY (ENTERPRISE ENVIRONMENTS)
*************/
if (service.Endpoint.ProxyUrl != null) {
WebProxy myProxy = new WebProxy ();
Uri proxyUri = new Uri (service.Endpoint.ProxyUrl);
myProxy.Address = proxyUri;
webReq.Proxy = myProxy;
}
return webReq;
}
/// <summary>
///
/// </summary>
/// <param name="request"></param>
/// <param name="service"></param>
/// <returns></returns>
public virtual IOResponse InvokeService(IORequest request, IOService service)
{
IOResponse response = new IOResponse();
if (service != null)
{
SystemLogger.Log(SystemLogger.Module.CORE, "Request content: " + request.Content);
byte[] requestData = request.GetRawContent();
if (service.Endpoint == null)
{
SystemLogger.Log(SystemLogger.Module.CORE, "No endpoint configured for this service name: " + service.Name);
return(response);
}
string requestUriString = String.Format("{0}:{1}{2}", service.Endpoint.Host, service.Endpoint.Port, service.Endpoint.Path);
if (service.Endpoint.Port == 0)
{
requestUriString = String.Format("{0}{1}", service.Endpoint.Host, service.Endpoint.Path);
}
if (service.RequestMethod == RequestMethod.GET && request.Content != null)
{
// add request content to the URI string when GET method.
requestUriString += request.Content;
}
SystemLogger.Log(SystemLogger.Module.CORE, "Requesting service: " + requestUriString);
try {
ServicePointManager.ServerCertificateValidationCallback += delegate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) {
SystemLogger.Log(SystemLogger.Module.CORE, "*************** On ServerCertificateValidationCallback: accept all certificates");
return(true);
};
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(requestUriString);
req.Method = service.RequestMethod.ToString(); // default is POST
req.ContentType = contentTypes [service.Type];
// check specific request ContentType defined, and override service type in that case
if (request.ContentType != null && request.ContentType.Length > 0)
{
req.ContentType = request.ContentType;
}
SystemLogger.Log(SystemLogger.Module.CORE, "Request content type: " + req.ContentType);
SystemLogger.Log(SystemLogger.Module.CORE, "Request method: " + req.Method);
req.Accept = req.ContentType; // setting "Accept" header with the same value as "Content Type" header, it is needed to be defined for some services.
req.ContentLength = request.GetContentLength();
SystemLogger.Log(SystemLogger.Module.CORE, "Request content length: " + req.ContentLength);
req.Timeout = DEFAULT_RESPONSE_TIMEOUT; // in millisecods (default is 10 seconds)
req.KeepAlive = false;
// user agent needs to be informed - some servers check this parameter and send 500 errors when not informed.
req.UserAgent = this.IOUserAgent;
SystemLogger.Log(SystemLogger.Module.CORE, "Request UserAgent : " + req.UserAgent);
// add specific headers to the request
if (request.Headers != null && request.Headers.Length > 0)
{
foreach (IOHeader header in request.Headers)
{
req.Headers.Add(header.Name, header.Value);
SystemLogger.Log(SystemLogger.Module.CORE, "Added request header: " + header.Name + "=" + req.Headers.Get(header.Name));
}
}
// Assign the cookie container on the request to hold cookie objects that are sent on the response.
// Required even though you no cookies are send.
req.CookieContainer = this.cookieContainer;
// add cookies to the request cookie container
if (request.Session != null && request.Session.Cookies != null && request.Session.Cookies.Length > 0)
{
foreach (IOCookie cookie in request.Session.Cookies)
{
req.CookieContainer.Add(req.RequestUri, new Cookie(cookie.Name, cookie.Value));
SystemLogger.Log(SystemLogger.Module.CORE, "Added cookie [" + cookie.Name + "] to request.");
}
}
SystemLogger.Log(SystemLogger.Module.CORE, "HTTP Request cookies: " + req.CookieContainer.GetCookieHeader(req.RequestUri));
if (service.Endpoint.ProxyUrl != null)
{
WebProxy myProxy = new WebProxy();
Uri proxyUri = new Uri(service.Endpoint.ProxyUrl);
myProxy.Address = proxyUri;
req.Proxy = myProxy;
}
if (req.Method == RequestMethod.POST.ToString())
{
// send data only for POST method.
SystemLogger.Log(SystemLogger.Module.CORE, "Sending data on the request stream... (POST)");
SystemLogger.Log(SystemLogger.Module.CORE, "request data length: " + requestData.Length);
using (Stream requestStream = req.GetRequestStream()) {
SystemLogger.Log(SystemLogger.Module.CORE, "request stream: " + requestStream);
requestStream.Write(requestData, 0, requestData.Length);
}
}
string result = null;
byte[] resultBinary = null;
string responseMimeTypeOverride = null;
using (HttpWebResponse resp = (HttpWebResponse)req.GetResponse()) {
SystemLogger.Log(SystemLogger.Module.CORE, "getting response...");
using (Stream stream = resp.GetResponseStream()) {
SystemLogger.Log(SystemLogger.Module.CORE, "getting response stream...");
if (ServiceType.OCTET_BINARY.Equals(service.Type))
{
// TODO workaround to avoid problems when serving binary content (corrupted content)
Thread.Sleep(500);
int lengthContent = 0;
if (resp.GetResponseHeader("Content-Length") != null && resp.GetResponseHeader("Content-Length") != "")
{
lengthContent = Int32.Parse(resp.GetResponseHeader("Content-Length"));
}
if (lengthContent > 0)
{
// Read in block
resultBinary = new byte[lengthContent];
stream.Read(resultBinary, 0, lengthContent);
}
else
{
// Read to end of stream
MemoryStream memBuffer = new MemoryStream();
byte[] readBuffer = new byte[256];
int readLen = 0;
do
{
readLen = stream.Read(readBuffer, 0, readBuffer.Length);
memBuffer.Write(readBuffer, 0, readLen);
} while (readLen > 0);
resultBinary = memBuffer.ToArray();
memBuffer.Close();
memBuffer = null;
}
}
else
{
SystemLogger.Log(SystemLogger.Module.CORE, "reading response content...");
using (StreamReader reader = new StreamReader(stream, Encoding.UTF8)) {
result = reader.ReadToEnd();
}
}
}
responseMimeTypeOverride = resp.GetResponseHeader("Content-Type");
// get response cookies (stored on cookiecontainer)
if (response.Session == null)
{
response.Session = new IOSessionContext();
}
response.Session.Cookies = new IOCookie[this.cookieContainer.Count];
IEnumerator enumerator = this.cookieContainer.GetCookies(req.RequestUri).GetEnumerator();
int i = 0;
while (enumerator.MoveNext())
{
Cookie cookieFound = (Cookie)enumerator.Current;
SystemLogger.Log(SystemLogger.Module.CORE, "Found cookie on response: " + cookieFound.Name + "=" + cookieFound.Value);
IOCookie cookie = new IOCookie();
cookie.Name = cookieFound.Name;
cookie.Value = cookieFound.Value;
response.Session.Cookies [i] = cookie;
i++;
}
}
if (ServiceType.OCTET_BINARY.Equals(service.Type))
{
if (responseMimeTypeOverride != null && !responseMimeTypeOverride.Equals(contentTypes [service.Type]))
{
response.ContentType = responseMimeTypeOverride;
}
else
{
response.ContentType = contentTypes [service.Type];
}
response.ContentBinary = resultBinary; // Assign binary content here
}
else
{
response.ContentType = contentTypes [service.Type];
response.Content = result;
}
} catch (WebException ex) {
SystemLogger.Log(SystemLogger.Module.CORE, "WebException requesting service: " + requestUriString + ".", ex);
response.ContentType = contentTypes [ServiceType.REST_JSON];
response.Content = "WebException Requesting Service: " + requestUriString + ". Message: " + ex.Message;
} catch (Exception ex) {
SystemLogger.Log(SystemLogger.Module.CORE, "Unnandled Exception requesting service: " + requestUriString + ".", ex);
response.ContentType = contentTypes [ServiceType.REST_JSON];
response.Content = "Unhandled Exception Requesting Service: " + requestUriString + ". Message: " + ex.Message;
}
}
else
{
SystemLogger.Log(SystemLogger.Module.CORE, "Null service received for invoking.");
}
return(response);
}
private HttpWebRequest BuildWebRequest(IORequest request, IOService service, string requestUriString, string reqMethod)
{
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(requestUriString);
webReq.Method = reqMethod; // default is POST
webReq.ContentType = contentTypes [service.Type];
// check specific request ContentType defined, and override service type in that case
if (request.ContentType != null && request.ContentType.Length > 0)
{
webReq.ContentType = request.ContentType;
}
SystemLogger.Log(SystemLogger.Module.CORE, "Request content type: " + webReq.ContentType);
SystemLogger.Log(SystemLogger.Module.CORE, "Request method: " + webReq.Method);
webReq.Accept = webReq.ContentType; // setting "Accept" header with the same value as "Content Type" header, it is needed to be defined for some services.
webReq.ContentLength = request.GetContentLength();
SystemLogger.Log(SystemLogger.Module.CORE, "Request content length: " + webReq.ContentLength);
webReq.Timeout = DEFAULT_RESPONSE_TIMEOUT; // in millisecods (default is 100 seconds)
webReq.ReadWriteTimeout = DEFAULT_READWRITE_TIMEOUT; // in milliseconds
webReq.KeepAlive = false;
webReq.ProtocolVersion = HttpVersion.Version10;
if (request.ProtocolVersion == HTTPProtocolVersion.HTTP11)
{
webReq.ProtocolVersion = HttpVersion.Version11;
}
// [MOBPLAT-200] ... Allow Gzip or Deflate decompression methods
webReq.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
// user agent needs to be informed - some servers check this parameter and send 500 errors when not informed.
webReq.UserAgent = this.IOUserAgent;
SystemLogger.Log(SystemLogger.Module.CORE, "Request UserAgent : " + webReq.UserAgent);
/*************
* HEADERS HANDLING
*************/
// add specific headers to the request
if (request.Headers != null && request.Headers.Length > 0)
{
foreach (IOHeader header in request.Headers)
{
webReq.Headers.Add(header.Name, header.Value);
SystemLogger.Log(SystemLogger.Module.CORE, "Added request header: " + header.Name + "=" + webReq.Headers.Get(header.Name));
}
}
/*************
* COOKIES HANDLING
*************/
// Assign the cookie container on the request to hold cookie objects that are sent on the response.
// Required even though you no cookies are send.
webReq.CookieContainer = this.cookieContainer;
// add cookies to the request cookie container
if (request.Session != null && request.Session.Cookies != null && request.Session.Cookies.Length > 0)
{
foreach (IOCookie cookie in request.Session.Cookies)
{
if (cookie != null && cookie.Name != null)
{
webReq.CookieContainer.Add(webReq.RequestUri, new Cookie(cookie.Name, cookie.Value));
SystemLogger.Log(SystemLogger.Module.CORE, "Added cookie [" + cookie.Name + "] to request.");
}
}
}
SystemLogger.Log(SystemLogger.Module.CORE, "HTTP Request cookies: " + webReq.CookieContainer.GetCookieHeader(webReq.RequestUri));
/*************
* SETTING A PROXY (ENTERPRISE ENVIRONMENTS)
*************/
if (service.Endpoint.ProxyUrl != null)
{
WebProxy myProxy = new WebProxy();
Uri proxyUri = new Uri(service.Endpoint.ProxyUrl);
myProxy.Address = proxyUri;
webReq.Proxy = myProxy;
}
return(webReq);
}
private async Task<HttpRequestMessage> BuildWebRequest(IORequest request, IOService service, string requestUriString, string reqMethod)
{
var _clientBaseConfig = WindowsPhoneUtils.CreateHttpClientOptions(true);
var requestHttpMethod = HttpMethod.Post;
HttpRequestMessage webRequest = null;
try
{
if (service.Type == ServiceType.MULTIPART_FORM_DATA)
{
webRequest = await BuildMultipartWebRequest(request, service, requestUriString);
}
else
{
switch (service.RequestMethod)
{
case RequestMethod.GET:
requestHttpMethod = HttpMethod.Get;
break;
}
if (!String.IsNullOrWhiteSpace(request.Method))
switch (request.Method.ToLower())
{
case "get":
requestHttpMethod = HttpMethod.Get;
break;
case "delete":
requestHttpMethod = HttpMethod.Delete;
break;
case "head":
requestHttpMethod = HttpMethod.Head;
break;
case "options":
requestHttpMethod = HttpMethod.Options;
break;
case "patch":
requestHttpMethod = HttpMethod.Patch;
break;
case "put":
requestHttpMethod = HttpMethod.Put;
break;
default:
requestHttpMethod = HttpMethod.Post;
break;
}
webRequest = new HttpRequestMessage(requestHttpMethod, new Uri(requestUriString));
// check specific request ContentType defined, and override service type in that case
// check specific request ContentType defined, and override service type in that case
if (requestHttpMethod == HttpMethod.Get)
{
webRequest.RequestUri =
new Uri(String.Concat(service.Endpoint.Host, service.Endpoint.Path, request.Content),
UriKind.RelativeOrAbsolute);
}
else
{
if (webRequest.Content == null && request.Content != null)
webRequest.Content = new HttpBufferContent(request.GetRawContent().AsBuffer());
}
var sContentType = request.ContentType;
if (String.IsNullOrWhiteSpace(sContentType))
{
sContentType = ContentTypes[service.Type];
}
WindowsPhoneUtils.Log("Request method: " + webRequest.Method);
webRequest.Headers.Accept.Add(new HttpMediaTypeWithQualityHeaderValue(sContentType));
if (webRequest.Method == HttpMethod.Post && request.Content != null)
{
webRequest.Content.Headers.ContentLength = (ulong?)request.GetContentLength();
WindowsPhoneUtils.Log("Request content length: " + request.GetContentLength());
}
else
{
webRequest.Content = new HttpStringContent("");
}
WindowsPhoneUtils.Log("webRequest content length: " + webRequest.Content.Headers.ContentLength);
webRequest.Content.Headers.ContentType = new HttpMediaTypeHeaderValue(sContentType);
webRequest.Headers.Add("Keep-Alive", "true");
}
if (webRequest == null) return null;
WindowsPhoneUtils.Log("Request UserAgent : " + IOUserAgent);
/*************
* HEADERS HANDLING
*************/
// add specific headers to the request
if (request.Headers != null && request.Headers.Length > 0)
{
foreach (var header in request.Headers)
{
webRequest.Headers.Add(header.Name, header.Value);
WindowsPhoneUtils.Log("Added request header: " + header.Name + "=" +
webRequest.Headers[header.Name]);
}
}
/*************
* COOKIES HANDLING
*************/
// Assign the cookie container on the request to hold cookie objects that are sent on the response.
// Required even though you no cookies are send.
//webReq.CookieContainer = this.cookieContainer;
// add cookies to the request cookie container
if (request.Session != null && request.Session.Cookies != null && request.Session.Cookies.Length > 0)
{
foreach (
var cookie in request.Session.Cookies.Where(cookie => !String.IsNullOrWhiteSpace(cookie.Name)))
{
_clientBaseConfig.CookieManager.SetCookie(new HttpCookie(cookie.Name, new Uri(requestUriString).Host, "/") { Value = cookie.Value });
WindowsPhoneUtils.Log("Added cookie [" + cookie.Name + "] to request.");
}
}
WindowsPhoneUtils.Log("HTTP Request cookies: " +
_clientBaseConfig.CookieManager.GetCookies(new Uri(requestUriString)).Count);
}
catch (Exception ex)
{
WindowsPhoneUtils.Log("INVOKE SERVICE ERROR:" + ex.Message);
}
/*************
* SETTING A PROXY (ENTERPRISE ENVIRONMENTS)
*************/
/*
if (service.Endpoint.ProxyUrl != null)
{
WebProxy myProxy = new WebProxy();
Uri proxyUri = new Uri(service.Endpoint.ProxyUrl);
myProxy.Address = proxyUri;
webReq.Proxy = myProxy;
}
*/
return webRequest;
}
/// <summary>
///
/// </summary>
/// <param name="request"></param>
/// <param name="service"></param>
/// <returns></returns>
public virtual IOResponse InvokeService(IORequest request, IOService service)
{
IOResponse response = new IOResponse ();
if (service != null) {
SystemLogger.Log (SystemLogger.Module .CORE, "Request content: " + request.Content);
byte[] requestData = request.GetRawContent ();
if (service.Endpoint == null) {
SystemLogger.Log (SystemLogger.Module .CORE, "No endpoint configured for this service name: " + service.Name);
return response;
}
string requestUriString = String.Format ("{0}:{1}{2}", service.Endpoint.Host, service.Endpoint.Port, service.Endpoint.Path);
if (service.Endpoint.Port == 0) {
requestUriString = String.Format ("{0}{1}", service.Endpoint.Host, service.Endpoint.Path);
}
if (service.RequestMethod == RequestMethod.GET && request.Content != null) {
// add request content to the URI string when GET method.
requestUriString += request.Content;
}
SystemLogger.Log (SystemLogger.Module .CORE, "Requesting service: " + requestUriString);
try {
ServicePointManager.ServerCertificateValidationCallback += delegate(object sender,X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) {
SystemLogger.Log (SystemLogger.Module .CORE, "*************** On ServerCertificateValidationCallback: accept all certificates");
return true;
};
HttpWebRequest req = (HttpWebRequest)WebRequest.Create (requestUriString);
req.Method = service.RequestMethod.ToString (); // default is POST
req.ContentType = contentTypes [service.Type];
// check specific request ContentType defined, and override service type in that case
if (request.ContentType != null && request.ContentType.Length > 0) {
req.ContentType = request.ContentType;
}
SystemLogger.Log (SystemLogger.Module.CORE, "Request content type: " + req.ContentType);
SystemLogger.Log (SystemLogger.Module.CORE, "Request method: " + req.Method);
req.Accept = req.ContentType; // setting "Accept" header with the same value as "Content Type" header, it is needed to be defined for some services.
req.ContentLength = request.GetContentLength ();
SystemLogger.Log (SystemLogger.Module.CORE, "Request content length: " + req.ContentLength);
req.Timeout = DEFAULT_RESPONSE_TIMEOUT; // in millisecods (default is 10 seconds)
req.KeepAlive = false;
// user agent needs to be informed - some servers check this parameter and send 500 errors when not informed.
req.UserAgent = this.IOUserAgent;
SystemLogger.Log (SystemLogger.Module.CORE, "Request UserAgent : " + req.UserAgent);
// add specific headers to the request
if (request.Headers != null && request.Headers.Length > 0) {
foreach (IOHeader header in request.Headers) {
req.Headers.Add (header.Name, header.Value);
SystemLogger.Log (SystemLogger.Module.CORE, "Added request header: " + header.Name + "=" + req.Headers.Get (header.Name));
}
}
// Assign the cookie container on the request to hold cookie objects that are sent on the response.
// Required even though you no cookies are send.
req.CookieContainer = this.cookieContainer;
// add cookies to the request cookie container
if (request.Session != null && request.Session.Cookies != null && request.Session.Cookies.Length > 0) {
foreach (IOCookie cookie in request.Session.Cookies) {
req.CookieContainer.Add (req.RequestUri, new Cookie (cookie.Name, cookie.Value));
SystemLogger.Log (SystemLogger.Module.CORE, "Added cookie [" + cookie.Name + "] to request.");
}
}
SystemLogger.Log (SystemLogger.Module.CORE, "HTTP Request cookies: " + req.CookieContainer.GetCookieHeader (req.RequestUri));
if (service.Endpoint.ProxyUrl != null) {
WebProxy myProxy = new WebProxy ();
Uri proxyUri = new Uri (service.Endpoint.ProxyUrl);
myProxy.Address = proxyUri;
req.Proxy = myProxy;
}
if (req.Method == RequestMethod.POST.ToString ()) {
// send data only for POST method.
SystemLogger.Log (SystemLogger.Module.CORE, "Sending data on the request stream... (POST)");
SystemLogger.Log (SystemLogger.Module.CORE, "request data length: " + requestData.Length);
using (Stream requestStream = req.GetRequestStream()) {
SystemLogger.Log (SystemLogger.Module.CORE, "request stream: " + requestStream);
requestStream.Write (requestData, 0, requestData.Length);
}
}
string result = null;
byte[] resultBinary = null;
string responseMimeTypeOverride = null;
using (HttpWebResponse resp = (HttpWebResponse)req.GetResponse()) {
SystemLogger.Log (SystemLogger.Module.CORE, "getting response...");
using (Stream stream = resp.GetResponseStream()) {
SystemLogger.Log (SystemLogger.Module.CORE, "getting response stream...");
if (ServiceType.OCTET_BINARY.Equals (service.Type)) {
// TODO workaround to avoid problems when serving binary content (corrupted content)
Thread.Sleep (500);
int lengthContent = 0;
if (resp.GetResponseHeader ("Content-Length") != null && resp.GetResponseHeader ("Content-Length") != "") {
lengthContent = Int32.Parse (resp.GetResponseHeader ("Content-Length"));
}
if (lengthContent > 0) {
// Read in block
resultBinary = new byte[lengthContent];
stream.Read (resultBinary, 0, lengthContent);
} else {
// Read to end of stream
MemoryStream memBuffer = new MemoryStream ();
byte[] readBuffer = new byte[256];
int readLen = 0;
do {
readLen = stream.Read (readBuffer, 0, readBuffer.Length);
memBuffer.Write (readBuffer, 0, readLen);
} while (readLen >0);
resultBinary = memBuffer.ToArray ();
memBuffer.Close ();
memBuffer = null;
}
} else {
SystemLogger.Log (SystemLogger.Module.CORE, "reading response content...");
using (StreamReader reader = new StreamReader(stream, Encoding.UTF8)) {
result = reader.ReadToEnd ();
}
}
}
responseMimeTypeOverride = resp.GetResponseHeader ("Content-Type");
// get response cookies (stored on cookiecontainer)
if (response.Session == null) {
response.Session = new IOSessionContext ();
}
response.Session.Cookies = new IOCookie[this.cookieContainer.Count];
IEnumerator enumerator = this.cookieContainer.GetCookies (req.RequestUri).GetEnumerator ();
int i = 0;
while (enumerator.MoveNext()) {
Cookie cookieFound = (Cookie)enumerator.Current;
SystemLogger.Log (SystemLogger.Module.CORE, "Found cookie on response: " + cookieFound.Name + "=" + cookieFound.Value);
IOCookie cookie = new IOCookie ();
cookie.Name = cookieFound.Name;
cookie.Value = cookieFound.Value;
response.Session.Cookies [i] = cookie;
i++;
}
}
if (ServiceType.OCTET_BINARY.Equals (service.Type)) {
if (responseMimeTypeOverride != null && !responseMimeTypeOverride.Equals (contentTypes [service.Type])) {
response.ContentType = responseMimeTypeOverride;
} else {
response.ContentType = contentTypes [service.Type];
}
response.ContentBinary = resultBinary; // Assign binary content here
} else {
response.ContentType = contentTypes [service.Type];
response.Content = result;
}
} catch (WebException ex) {
SystemLogger.Log (SystemLogger.Module .CORE, "WebException requesting service: " + requestUriString + ".", ex);
response.ContentType = contentTypes [ServiceType.REST_JSON];
response.Content = "WebException Requesting Service: " + requestUriString + ". Message: " + ex.Message;
} catch (Exception ex) {
SystemLogger.Log (SystemLogger.Module .CORE, "Unnandled Exception requesting service: " + requestUriString + ".", ex);
response.ContentType = contentTypes [ServiceType.REST_JSON];
response.Content = "Unhandled Exception Requesting Service: " + requestUriString + ". Message: " + ex.Message;
}
} else {
SystemLogger.Log (SystemLogger.Module .CORE, "Null service received for invoking.");
}
return response;
}
private HttpWebRequest BuildWebRequest(IORequest request, IOService service, string requestUriString, string reqMethod)
{
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create (requestUriString);
webReq.Method = reqMethod; // default is POST
webReq.ContentType = contentTypes [service.Type];
// check specific request ContentType defined, and override service type in that case
if (request.ContentType != null && request.ContentType.Length > 0) {
webReq.ContentType = request.ContentType;
}
SystemLogger.Log (SystemLogger.Module.CORE, "Request content type: " + webReq.ContentType);
SystemLogger.Log (SystemLogger.Module.CORE, "Request method: " + webReq.Method);
webReq.Accept = webReq.ContentType; // setting "Accept" header with the same value as "Content Type" header, it is needed to be defined for some services.
webReq.ContentLength = request.GetContentLength ();
SystemLogger.Log (SystemLogger.Module.CORE, "Request content length: " + webReq.ContentLength);
webReq.Timeout = DEFAULT_RESPONSE_TIMEOUT; // in millisecods (default is 100 seconds)
webReq.ReadWriteTimeout = DEFAULT_READWRITE_TIMEOUT; // in milliseconds
webReq.KeepAlive = false;
webReq.ProtocolVersion = HttpVersion.Version10;
if (request.ProtocolVersion == HTTPProtocolVersion.HTTP11) webReq.ProtocolVersion = HttpVersion.Version11;
// user agent needs to be informed - some servers check this parameter and send 500 errors when not informed.
webReq.UserAgent = this.IOUserAgent;
SystemLogger.Log (SystemLogger.Module.CORE, "Request UserAgent : " + webReq.UserAgent);
/*************
* HEADERS HANDLING
*************/
// add specific headers to the request
if (request.Headers != null && request.Headers.Length > 0) {
foreach (IOHeader header in request.Headers) {
webReq.Headers.Add (header.Name, header.Value);
SystemLogger.Log (SystemLogger.Module.CORE, "Added request header: " + header.Name + "=" + webReq.Headers.Get (header.Name));
}
}
/*************
* COOKIES HANDLING
*************/
// Assign the cookie container on the request to hold cookie objects that are sent on the response.
// Required even though you no cookies are send.
webReq.CookieContainer = this.cookieContainer;
// add cookies to the request cookie container
if (request.Session != null && request.Session.Cookies != null && request.Session.Cookies.Length > 0) {
foreach (IOCookie cookie in request.Session.Cookies) {
webReq.CookieContainer.Add (webReq.RequestUri, new Cookie (cookie.Name, cookie.Value));
SystemLogger.Log (SystemLogger.Module.CORE, "Added cookie [" + cookie.Name + "] to request.");
}
}
SystemLogger.Log (SystemLogger.Module.CORE, "HTTP Request cookies: " + webReq.CookieContainer.GetCookieHeader (webReq.RequestUri));
/*************
* SETTING A PROXY (ENTERPRISE ENVIRONMENTS)
*************/
if (service.Endpoint.ProxyUrl != null) {
WebProxy myProxy = new WebProxy ();
Uri proxyUri = new Uri (service.Endpoint.ProxyUrl);
myProxy.Address = proxyUri;
webReq.Proxy = myProxy;
}
return webReq;
}
