/// <summary>
/// Create the URI from the adapter.
/// </summary>
/// <param name="adapter">The current adapter.</param>
/// <param name="resource">The trailing resource path.</param>
/// <returns>The URI to connect to.</returns>
private Uri CreateUri(WebdavConnectionAdapter adapter, string resource)
{
// If the standard ports are not used.
if (adapter.Port != 80 && adapter.Port != 443)
{
// Append the port number.
return(new Uri(adapter.WebdavServer.TrimEnd('/') + ":" + adapter.Port.ToString() + "/" + resource.TrimStart('/')));
}
else
{
// Create the standard URI.
return(new Uri(adapter.WebdavServer.TrimEnd('/') + "/" + resource.TrimStart('/')));
}
}
/// <summary>
/// Get the directory list.
/// </summary>
/// <param name="adapter">The webdav connection adapter.</param>
/// <param name="directoryPath">The directory path hierachy to search in.</param>
/// <param name="directoryDepth">Recursion depth (directory depth). Set default depth to 1. This would prevent recursion.</param>
/// <returns>The list of directories and files is any; else empty.</returns>
public List <string> DirectoryList(WebdavConnectionAdapter adapter, string directoryPath = "/", int?directoryDepth = 1)
{
if (adapter == null)
{
throw new ArgumentNullException("adapter");
}
if (String.IsNullOrEmpty(directoryPath))
{
throw new ArgumentNullException("directoryPath");
}
HttpWebRequest request = null;
WebResponse response = null;
// The read and write stream objects
// for the transfer of data.
Stream requestStream = null;
Stream responseStream = null;
List <string> list = new List <string>();
try
{
// Create the request text.
StringBuilder propfind = new StringBuilder();
propfind.Append("<?xml version=\"1.0\" encoding=\"utf-8\" ?>");
propfind.Append("<propfind xmlns=\"DAV:\">");
propfind.Append(" <propname/>");
propfind.Append("</propfind>");
// Create the request bytes.
byte[] bytesReq = Encoding.UTF8.GetBytes(propfind.ToString());
Uri uri = CreateUri(adapter, Uri.EscapeDataString(directoryPath.TrimStart('/').TrimEnd('/')));
// Create the request object.
request = (HttpWebRequest)HttpWebRequest.Create(uri);
// If a proxy server has been specified.
if (adapter.Proxy != null)
{
request.Proxy = adapter.Proxy;
}
// If a client certificate is to be used
// add the client certificate.
if (adapter.ClientCertificate != null)
{
request.ClientCertificates.Add(adapter.ClientCertificate);
}
// If the web dav connection is not
// anonymous then create a new
// network credential.
if (!adapter.IsAnonymousUser)
{
request.Credentials = new NetworkCredential(
adapter.UserName, adapter.Password, adapter.Domain);
}
request.KeepAlive = false;
request.Timeout = adapter.TimeOut;
request.Method = "PROPFIND";
request.ContentLength = bytesReq.Length;
request.ContentType = "text/xml";
// Create a list of headers to pass.
IDictionary <string, string> headers = new Dictionary <string, string>();
if (directoryDepth != null)
{
headers.Add("Depth", directoryDepth.ToString());
}
// Need to send along headers?
if (headers != null)
{
foreach (string key in headers.Keys)
{
request.Headers.Set(key, headers[key]);
}
}
// Override the validation of
// the server certificate.
if (adapter.UseSSLConnection && adapter.SslCertificateOverride)
{
ServicePointManager.ServerCertificateValidationCallback = new
RemoteCertificateValidationCallback(OnCertificateValidationOverride);
}
else if (adapter.UseSSLConnection)
{
ServicePointManager.ServerCertificateValidationCallback = new
RemoteCertificateValidationCallback(OnCertificateValidation);
}
// Write the request data to the request stream.
using (requestStream = request.GetRequestStream())
{
requestStream.Write(bytesReq, 0, bytesReq.Length);
requestStream.Flush();
requestStream.Close();
}
// Assign the response object from
// the request server.
response = (HttpWebResponse)request.GetResponse();
// Create a new xml document.
XmlDocument document = new XmlDocument();
// Get all the data from the server.
using (responseStream = response.GetResponseStream())
{
// Load the xml response.
document.Load(responseStream);
// Close stream reader.
responseStream.Close();
}
// Get the DAV namesapce.
XmlNamespaceManager xmlNsManager = new XmlNamespaceManager(document.NameTable);
xmlNsManager.AddNamespace("d", "DAV:");
// For each directory node.
foreach (XmlNode node in document.DocumentElement.ChildNodes)
{
// Get each directory and file.
XmlNode xmlNode = node.SelectSingleNode("d:href", xmlNsManager);
string path = Uri.UnescapeDataString(xmlNode.InnerXml).Trim('/');
string dir = path.Replace(Uri.UnescapeDataString(uri.AbsoluteUri), "").Trim('/');
// If a directory or file exits.
if (!String.IsNullOrEmpty(dir))
{
list.Add(dir);
}
}
// Close the response stream.
response.Close();
return(list);
}
catch (Exception)
{
throw;
}
finally
{
// Close and clean up
// all streams.
if (requestStream != null)
{
requestStream.Dispose();
}
if (responseStream != null)
{
responseStream.Dispose();
}
if (response != null)
{
_httpStatusCode = ((HttpWebResponse)response).StatusCode;
_httpStatusDescription = ((HttpWebResponse)response).StatusDescription;
response.Dispose();
}
}
}
/// <summary>
/// Execute a command on the web dav server.
/// </summary>
/// <param name="adapter">The webdav connection adapter.</param>
/// <param name="method">The method to execute.</param>
/// <param name="requestData">The data to send as a request to the server.</param>
/// <param name="responseData">The data returned from the server.</param>
/// <param name="contentType">The content type.</param>
/// <param name="contentLengthRequest">The request data content length.</param>
/// <param name="contentLengthResponse">The response data content length.</param>
/// <param name="path">The path hierachy resources to execute.</param>
/// <param name="headers">The list of headers to include in the request.</param>
public void Execute(WebdavConnectionAdapter adapter, string method, System.IO.Stream requestData = null, System.IO.Stream responseData = null,
string contentType = "text/xml", long contentLengthRequest = 0, long contentLengthResponse = 0, string path = null, IDictionary <string, string> headers = null)
{
if (adapter == null)
{
throw new ArgumentNullException("adapter");
}
if (String.IsNullOrEmpty(method))
{
throw new ArgumentNullException("method");
}
HttpWebRequest request = null;
WebResponse response = null;
// The read and write stream objects
// for the transfer of data.
Stream requestStream = null;
Stream responseStream = null;
try
{
// Create the Uri
Uri uri = CreateUri(adapter,
(!String.IsNullOrEmpty(path) ?
Uri.EscapeDataString(path.TrimStart('/').TrimEnd('/')) : ""));
// Create the request object.
request = (HttpWebRequest)HttpWebRequest.Create(uri);
// If a proxy server has been specified.
if (adapter.Proxy != null)
{
request.Proxy = adapter.Proxy;
}
// If a client certificate is to be used
// add the client certificate.
if (adapter.ClientCertificate != null)
{
request.ClientCertificates.Add(adapter.ClientCertificate);
}
// If the web dav connection is not
// anonymous then create a new
// network credential.
if (!adapter.IsAnonymousUser)
{
request.Credentials = new NetworkCredential(
adapter.UserName, adapter.Password, adapter.Domain);
}
request.KeepAlive = false;
request.Timeout = adapter.TimeOut;
request.Method = method;
request.ContentLength = contentLengthRequest;
request.ContentType = contentType;
// Need to send along headers?
if (headers != null)
{
foreach (string key in headers.Keys)
{
request.Headers.Set(key, headers[key]);
}
}
// Override the validation of
// the server certificate.
if (adapter.UseSSLConnection && adapter.SslCertificateOverride)
{
ServicePointManager.ServerCertificateValidationCallback = new
RemoteCertificateValidationCallback(OnCertificateValidationOverride);
}
else if (adapter.UseSSLConnection)
{
ServicePointManager.ServerCertificateValidationCallback = new
RemoteCertificateValidationCallback(OnCertificateValidation);
}
// If request data stream exists.
if (requestData != null)
{
// Write the request data to the request stream.
using (requestStream = request.GetRequestStream())
{
// Read the data from the local stream.
Nequeo.IO.Stream.Operation.CopyStream(requestData, requestStream, contentLengthRequest, adapter.RequestTimeout);
requestStream.Close();
}
}
// Assign the response object from
// the request server.
response = (HttpWebResponse)request.GetResponse();
// If response data stream exists.
if (responseData != null)
{
// Get all the data from the server.
using (responseStream = response.GetResponseStream())
{
// Write the data to the local stream.
Nequeo.IO.Stream.Operation.CopyStream(responseStream, responseData, contentLengthResponse, adapter.ResponseTimeout);
// Close stream reader.
responseStream.Close();
}
}
// Close the response stream.
response.Close();
}
catch (Exception)
{
throw;
}
finally
{
// Close and clean up
// all streams.
if (requestStream != null)
{
requestStream.Dispose();
}
if (responseStream != null)
{
responseStream.Dispose();
}
if (response != null)
{
_httpStatusCode = ((HttpWebResponse)response).StatusCode;
_httpStatusDescription = ((HttpWebResponse)response).StatusDescription;
response.Dispose();
}
}
}
/// <summary>
/// Delete the resource.
/// </summary>
/// <param name="adapter">The webdav connection adapter.</param>
/// <param name="path">The path hierachy resources to delete.</param>
public void Delete(WebdavConnectionAdapter adapter, string path)
{
if (adapter == null)
{
throw new ArgumentNullException("adapter");
}
if (String.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
HttpWebRequest request = null;
WebResponse response = null;
try
{
// Create the Uri
Uri uri = CreateUri(adapter, Uri.EscapeDataString(path.TrimStart('/').TrimEnd('/')));
// Create the request object.
request = (HttpWebRequest)HttpWebRequest.Create(uri);
// If a proxy server has been specified.
if (adapter.Proxy != null)
{
request.Proxy = adapter.Proxy;
}
// If a client certificate is to be used
// add the client certificate.
if (adapter.ClientCertificate != null)
{
request.ClientCertificates.Add(adapter.ClientCertificate);
}
// If the web dav connection is not
// anonymous then create a new
// network credential.
if (!adapter.IsAnonymousUser)
{
request.Credentials = new NetworkCredential(
adapter.UserName, adapter.Password, adapter.Domain);
}
request.KeepAlive = false;
request.Timeout = adapter.TimeOut;
request.Method = "DELETE";
// Override the validation of
// the server certificate.
if (adapter.UseSSLConnection && adapter.SslCertificateOverride)
{
ServicePointManager.ServerCertificateValidationCallback = new
RemoteCertificateValidationCallback(OnCertificateValidationOverride);
}
else if (adapter.UseSSLConnection)
{
ServicePointManager.ServerCertificateValidationCallback = new
RemoteCertificateValidationCallback(OnCertificateValidation);
}
// Assign the response object from
// the request server.
response = (HttpWebResponse)request.GetResponse();
// Close the response stream.
response.Close();
}
catch (Exception)
{
throw;
}
finally
{
// Close and clean up
// all streams.
if (response != null)
{
_httpStatusCode = ((HttpWebResponse)response).StatusCode;
_httpStatusDescription = ((HttpWebResponse)response).StatusDescription;
response.Dispose();
}
}
}
