/// <summary>Attempts to get data from a web request.</summary>
/// <param name="url">The URL for the request.</param>
/// <param name="method">The OneAll supported HTTP method to use.</param>
/// <param name="creds">The <see cref="Credential"/> used to authenticate the call, or null for calls not requiring authentication.</param>
/// <param name="data">The raw data to be posted.</param>
/// <param name="callBack">The call-back to invoke after the request is complete, if null this method is synchronous.</param>
/// <param name="state">The state information, ignored if callBack is null.</param>
internal static byte[] Post(Uri url, OneAllMethod method, Credential creds, byte[] data, BinaryReceivedHandler callBack, object state)
{
byte[] retVal = null;
if (callBack == null) { retVal = PostSync(url, method, creds, data); }
else { PostAsync(url, method, creds, data, callBack, state); }
return retVal;
}
/// <summary>Attempts to get data from a web request.</summary>
/// <param name="request">The HTTP web request.</param>
/// <param name="method">The OneAll supported HTTP method to use.</param>
/// <param name="creds">The <see cref="Credential"/> used to authenticate the call, or null for calls not requiring authentication.</param>
/// <param name="callBack">The call-back to invoke after the request is complete.</param>
/// <param name="state">The initial state object provided.</param>
private static void GetAsync(HttpWebRequest request, OneAllMethod method, Credential creds, BinaryReceivedHandler callBack, object state)
{
request.SetHTTPMethod(method);
request.SetBasicAuth(creds);
request.BeginGetResponse(OnRequestCompleted, new BinaryWebClientState()
{
Request = request,
Callback = callBack,
State = state
});
}
/// <summary>Sets the request to use a basic authentication credential and header.</summary>
/// <param name="request">The request.</param>
/// <param name="cred">The credential.</param>
internal static void SetBasicAuth(this HttpWebRequest request, Credential cred)
{
if (request != null && cred != null && cred.IsValid())
{
CredentialCache cache = new CredentialCache();
NetworkCredential realCred = new NetworkCredential(cred.PublicKey, cred.PrivateKey.ToUnsecureString());
cache.Add(request.RequestUri, OneAllConstants.CRED_BASIC, realCred);
request.UseDefaultCredentials = false;
request.Credentials = cache;
request.UserAgent = string.Format(CultureInfo.InvariantCulture, OneAllConstants.FORMAT_USER_AGENT, Assembly.GetExecutingAssembly().GetName().Version.ToString(4));
request.Headers.Add(OneAllConstants.HEAD_AUTHORIZATION, string.Format(CultureInfo.InvariantCulture, OneAllConstants.HEAD_BASIC,
Convert.ToBase64String(Encoding.ASCII.GetBytes(string.Format(CultureInfo.InvariantCulture,
OneAllConstants.HEAD_BASIC_CRED, realCred.UserName, realCred.Password)))));
}
}
/// <summary>Attempts to get data from a web request.</summary>
/// <param name="request">The HTTP web request.</param>
/// <param name="method">The OneAll supported HTTP method to use.</param>
/// <param name="creds">The <see cref="Credential"/> used to authenticate the call, or null for calls not requiring authentication.</param>
/// <returns>The binary data from the request.</returns>
private static byte[] GetSync(HttpWebRequest request, OneAllMethod method, Credential creds)
{
request.SetHTTPMethod(method);
request.SetBasicAuth(creds);
return ReadResponse(request);
}
/// <summary>Attempts to get data from a web request.</summary>
/// <param name="url">The URL for the request.</param>
/// <param name="method">The OneAll supported HTTP method to use.</param>
/// <param name="creds">The <see cref="Credential"/> used to authenticate the call, or null for calls not requiring authentication.</param>
/// <returns>The binary data from the request.</returns>
private static byte[] GetSync(Uri url, OneAllMethod method, Credential creds)
{
return GetSync(HttpWebRequest.Create(url) as HttpWebRequest, method, creds);
}
/// <summary>Attempts to get data from a web request.</summary>
/// <param name="url">The URL for the request.</param>
/// <param name="method">The OneAll supported HTTP method to use.</param>
/// <param name="creds">The <see cref="Credential"/> used to authenticate the call, or null for calls not requiring authentication.</param>
/// <param name="callBack">The call-back to invoke after the request is complete.</param>
/// <param name="state">The state information.</param>
private static void GetAsync(Uri url, OneAllMethod method, Credential creds, BinaryReceivedHandler callBack, object state)
{
GetAsync(HttpWebRequest.Create(url) as HttpWebRequest, method, creds, callBack, state);
}
/// <summary>Attempts to get data from a web request.</summary>
/// <param name="request">The HTTP web request.</param>
/// <param name="method">The OneAll supported HTTP method to use.</param>
/// <param name="creds">The <see cref="Credential"/> used to authenticate the call, or null for calls not requiring authentication.</param>
/// <param name="data">The raw data to be posted.</param>
/// <returns>The binary data from the request.</returns>
private static byte[] PostSync(HttpWebRequest request, OneAllMethod method, Credential creds, byte[] data)
{
request.ContentType = OneAllConstants.HTTP_CONTENTTYPE_FORMURLENCODE;
request.SetHTTPMethod(method);
request.SetBasicAuth(creds);
using (Stream stream = request.GetRequestStream())
{
byte[] buffer = new byte[data.Length];
Array.Copy(data, buffer, buffer.Length);
stream.Write(buffer, 0, buffer.Length);
stream.Flush();
Array.Clear(buffer, 0, buffer.Length);
buffer = null;
}
return ReadResponse(request);
}
/// <summary>Attempts to get data from a web request.</summary>
/// <param name="url">The URL for the request.</param>
/// <param name="method">The OneAll supported HTTP method to use.</param>
/// <param name="creds">The <see cref="Credential"/> used to authenticate the call, or null for calls not requiring authentication.</param>
/// <param name="data">The raw data to be posted.</param>
/// <returns>The binary data from the request.</returns>
private static byte[] PostSync(Uri url, OneAllMethod method, Credential creds, byte[] data)
{
return PostSync(HttpWebRequest.Create(url) as HttpWebRequest, method, creds, data);
}
/// <summary>Attempts to get data from a web request.</summary>
/// <param name="request">The HTTP web request.</param>
/// <param name="method">The OneAll supported HTTP method to use.</param>
/// <param name="creds">The <see cref="Credential"/> used to authenticate the call, or null for calls not requiring authentication.</param>
/// <param name="data">The raw data to be posted.</param>
/// <param name="callBack">The call-back to invoke after the request is complete.</param>
/// <param name="state">The initial state object provided.</param>
private static void PostAsync(HttpWebRequest request, OneAllMethod method, Credential creds, byte[] data, BinaryReceivedHandler callBack, object state)
{
request.ContentType = OneAllConstants.HTTP_CONTENTTYPE_FORMURLENCODE;
request.SetHTTPMethod(method);
request.SetBasicAuth(creds);
request.BeginGetRequestStream(OnRequestStreamObtained, new BinaryWebClientState()
{
Request = request,
Callback = callBack,
State = state,
Data = data
});
}
