public Stream IssueRequest(string url, Method method, string body, HttpHeader[] headers)
{
if ( _exceptionToThrow != null )
throw _exceptionToThrow;
if (!string.IsNullOrEmpty(_validUrl) && !_validUrl.Equals(url))
throw new Exception("Invalid URL used");
if (_method != method)
{
string msg = string.Format("Invalid Method: {0}", method.Name);
throw new Exception(msg);
}
return _response;
}
/// <summary>
/// Issue a requet to the networking implementation
/// </summary>
/// <param name="url">The URL to request</param>
/// <param name="method">The HTTP method to use</param>
/// <param name="body">The request body to send</param>
/// <param name="headers">Optional headers to add to the request</param>
/// <returns>The response body</returns>
public Stream IssueRequest(string url, Method method, string body, HttpHeader[] headers)
{
return _requestor.IssueRequest(url, method, body, headers);
}
/// <summary>
/// Issue a requet to the networking implementation
/// </summary>
/// <param name="url">The URL to request</param>
/// <param name="method">The HTTP method to use</param>
/// <param name="body">The request body to send</param>
/// <param name="headers">Optional headers to add to the request</param>
/// <returns>void</returns>
public void IssueRequestIgnoreResponse(
string url,
Method method,
string body,
HttpHeader[] headers)
{
_requestor.IssueRequest(url, method, body, headers).Close();
}
/// <summary>
/// Issue a request to the URL and return the response
/// </summary>
/// <param name="url">The URL to make a request to</param>
/// <param name="method">The HTTP verb to use</param>
/// <param name="body">The request body to use</param>
/// <param name="headers">Optional headers to add to the request</param>
/// <returns>The response body</returns>
public Stream IssueRequest(string url, Method method, string body, HttpHeader[] headers)
{
int remainingAttempts = maxRedirects;
while (remainingAttempts > 0)
{
log.DebugFormat(
"Issuing WebDAV Request: {0} to {1} - Group {2}",
method.Name, url, connectionGroup);
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
// Handle redirects manually
request.AllowAutoRedirect = false;
request.KeepAlive = true;
// This is necesssary to make Windows Authentication
// use keep alive. Due to the large number of
// connections we may make to Exchange, if we don't do this,
// the process may exhaust the supply of available ports. To keep
// this "safe", requests are isolated by connection pool. See:
// http://msdn2.microsoft.com/en-us/library/system.net.httpwebrequest.unsafeauthenticatedconnectionsharing.aspx
request.UnsafeAuthenticatedConnectionSharing = true;
request.ConnectionGroupName = connectionGroup;
// BUG: Exchange sometimes serves different content based on the user agent so
// we have to fake being IE?!?!?!
request.UserAgent =
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 2.0.50727)";
request.Credentials = credentials;
request.Method = method.Name;
request.Accept = "*/*";
if (headers != null)
{
foreach (HttpHeader httpHeader in headers)
{
request.Headers.Add(httpHeader.Name, httpHeader.Value);
}
}
// Set request body if t here is one
if (!string.IsNullOrEmpty(body))
{
byte[] bodyBytes = Encoding.UTF8.GetBytes(body);
request.ContentType = "text/xml";
using (Stream writer = request.GetRequestStream())
{
writer.Write(bodyBytes, 0, bodyBytes.Length);
writer.Close();
}
}
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
switch (response.StatusCode)
{
case HttpStatusCode.Found:
case HttpStatusCode.Moved:
case HttpStatusCode.RedirectKeepVerb:
case HttpStatusCode.RedirectMethod:
url = response.GetResponseHeader("Location");
if (response.GetResponseStream() != null)
response.GetResponseStream().Close();
response.Close();
if (!string.IsNullOrEmpty(ConfigCache.ExchangeDefaultDomain))
{
// If a default domain is provided, don't redirect outside it
Uri uri = new Uri(url);
if (!uri.Host.EndsWith(ConfigCache.ExchangeDefaultDomain))
{
throw new WebException("Cannot redirect outside the default domain");
}
}
log.DebugFormat(
"Redirect: {0} to {1} status {2}",
method, url, response.StatusCode);
// Preserve the credentials and verb though all types
// of redirects for WebDAV
remainingAttempts--;
break;
default:
return response.GetResponseStream();
}
}
return new MemoryStream();
}
