public HttpStatusCode PerformCopyWebRequest(String url, String urlNewTarget, ICredentials credentials)
{
// build the service
DavService svc = new DavService();
// set the error code
int code;
WebException e;
// perform the request
svc.PerformSimpleWebCall(url, WebRequestMethodsEx.WebDAV.Copy, credentials, urlNewTarget, out code, out e);
// return the code
return (HttpStatusCode)code;
}
public HttpStatusCode PerformMoveWebRequest(String url, String urlNewTarget, ICredentials credentials)
{
// build the service
DavService svc = new DavService();
// set the error code
int code;
WebException e;
// perform the request
svc.PerformSimpleWebCall(url, WebRequestMethodsEx.WebDAV.Move, credentials, urlNewTarget, out code, out e);
// return the code
return((HttpStatusCode)code);
}
/// <summary>
/// This method generates a session to a webdav share via username and password
/// </summary>
/// <param name="token"></param>
/// <param name="configuration"></param>
/// <returns></returns>
public override IStorageProviderSession CreateSession(ICloudStorageAccessToken token, ICloudStorageConfiguration configuration)
{
// cast the creds to the right type
WebDavConfiguration config = configuration as WebDavConfiguration;
// build service
DavService svc = new DavService();
// check if url available
int status = (int) HttpStatusCode.OK;
WebException e = null;
svc.PerformSimpleWebCall(config.ServiceLocator.ToString(), WebRequestMethodsEx.WebDAV.Options, (token as ICredentials).GetCredential(null, null), null, out status, out e);
if (status == (int) HttpStatusCode.Unauthorized)
throw new UnauthorizedAccessException();
else if (HttpUtilityEx.IsSuccessCode(status))
return new WebDavStorageProviderSession(token, config, this);
else
return null;
}
private BaseFileEntry RequestResourceFromWebDavShare(IStorageProviderSession session, String resourceUrl, out List<BaseFileEntry> childs)
{
// get the credebtials
ICredentials creds = session.SessionToken as ICredentials;
// build the dav service
DavService svc = new DavService();
// the result
WebDavRequestResult RequestResult;
try
{
// create the web request
WebRequest request = svc.CreateWebRequestPROPFIND(resourceUrl, creds.GetCredential(null, null));
// get the response
using (HttpWebResponse response = svc.GetWebResponse(request) as HttpWebResponse)
{
if (response.StatusCode == HttpStatusCode.Moved)
{
// get the new uri
String newUri = response.Headers["Location"];
// close the response
response.Close();
// redo it
return RequestResourceFromWebDavShare(session, newUri, out childs);
}
else
{
// get the response stream
using (Stream data = svc.GetResponseStream(response))
{
if (data == null)
{
childs = null;
return null;
}
// build the file entries
RequestResult = WebDavRequestParser.CreateObjectsFromNetworkStream(data, resourceUrl, this, session, WebDavNameBaseFilterCallback);
// close the stream
data.Close();
}
// close the response
response.Close();
}
}
// get the request fileentry and fill the childs
if (RequestResult.Self == null)
{
childs = null;
return null;
}
// set the childs
childs = RequestResult.Childs;
// go ahead
return RequestResult.Self;
}
catch (WebException)
{
childs = null;
return null;
}
}
private bool CopyResource(IStorageProviderSession session, ICloudFileSystemEntry fsentry, String newTargetUrl)
{
var config = session.ServiceConfiguration as WebDavConfiguration;
var creds = session.SessionToken as ICredentials;
var uriString = PathHelper.Combine(config.ServiceLocator.ToString(), GenericHelper.GetResourcePath(fsentry));
var uri = new Uri(uriString);
var uriTarget = new Uri(newTargetUrl);
var errorCode = new DavService().PerformCopyWebRequest(uri.ToString(), uriTarget.ToString(), creds.GetCredential(null, null));
return errorCode == HttpStatusCode.Created || errorCode == HttpStatusCode.NoContent;
}
public override Stream CreateUploadStream(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry, long uploadSize)
{
// build the url
string url = GetResourceUrl(session, fileSystemEntry, null);
// get the session creds
ICredentials creds = session.SessionToken as ICredentials;
// Build the service
DavService svc = new DavService();
// get the service config
WebDavConfiguration conf = (WebDavConfiguration) session.ServiceConfiguration;
// build the webrequest
WebRequest networkRequest = svc.CreateWebRequestPUT(url, creds.GetCredential(null, null), conf.UploadDataStreambuffered);
// get the request stream
WebRequestStream requestStream = svc.GetRequestStream(networkRequest, uploadSize);
// add disposal opp
requestStream.PushPostDisposeOperation(CommitUploadStream, svc, networkRequest, fileSystemEntry, requestStream);
// go ahead
return requestStream;
}
public override Stream CreateDownloadStream(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry)
{
// build the url
string url = GetResourceUrl(session, fileSystemEntry, null);
// get the session creds
ICredentials creds = session.SessionToken as ICredentials;
// Build the service
DavService svc = new DavService();
// create the webrequest
WebRequest request = svc.CreateWebRequest(url, WebRequestMethodsEx.Http.Get, creds.GetCredential(null, null), false, null);
// create the response
WebResponse response = svc.GetWebResponse(request);
// get the data
Stream orgStream = svc.GetResponseStream(response);
BaseFileEntryDownloadStream dStream = new BaseFileEntryDownloadStream(orgStream, fileSystemEntry);
// put the disposable on the stack
dStream._DisposableObjects.Push(response);
// go ahead
return dStream;
}
/// <summary>
/// This method removes a specific resource from a webdav share
/// </summary>
/// <param name="session"></param>
/// <param name="entry"></param>
public override Boolean DeleteResource(IStorageProviderSession session, ICloudFileSystemEntry entry)
{
// get the credentials
var creds = session.SessionToken as ICredentials;
// build url
String uriString = this.GetResourceUrl(session, entry, null);
var uri = new Uri(uriString);
// create the service
var svc = new DavService();
// create the webrequest
int errorCode;
WebException e;
svc.PerformSimpleWebCall(uri.ToString(), WebRequestMethodsEx.WebDAV.Delete, creds.GetCredential(null, null), null, out errorCode, out e);
if (!HttpUtilityEx.IsSuccessCode(errorCode))
return false;
// remove from parent
var parentDir = entry.Parent as BaseDirectoryEntry;
if (parentDir != null)
{
parentDir.RemoveChildById(entry.Id);
}
return true;
}
/// <summary>
///
/// </summary>
/// <param name="session"></param>
/// <param name="Name"></param>
/// <param name="parent"></param>
/// <returns></returns>
public override ICloudFileSystemEntry CreateResource(IStorageProviderSession session, string Name, ICloudDirectoryEntry parent)
{
// get the credentials
ICredentials creds = session.SessionToken as ICredentials;
// build url
String uriString = GetResourceUrl(session, parent, null);
uriString = PathHelper.Combine(uriString, Name);
Uri uri = new Uri(uriString);
// build the DavService
DavService svc = new DavService();
// create the webrequest
int errorCode;
WebException e;
svc.PerformSimpleWebCall(uri.ToString(), WebRequestMethodsEx.Http.MkCol, creds.GetCredential(null, null), null, out errorCode, out e);
if (errorCode != (int) HttpStatusCode.Created)
return null;
else
{
BaseDirectoryEntry newDir = new BaseDirectoryEntry(Name, 0, DateTime.Now, this, session);
// init parent child relation
if (parent != null)
{
BaseDirectoryEntry parentDir = parent as BaseDirectoryEntry;
parentDir.AddChild(newDir);
}
return newDir;
}
}
