protected WebRequest GetRequest(ResourceLocation location)
{
WebRequest request = WebRequest.Create(location.URL);
request.Timeout = 30000;
SetProxy(request);
return request;
}
public RemoteFileInfo GetFileInfo(ResourceLocation rl, out Stream stream)
{
FtpWebRequest request;
RemoteFileInfo result = new RemoteFileInfo();
result.AcceptRanges = true;
stream = null;
request = (FtpWebRequest)GetRequest(rl);
request.Method = WebRequestMethods.Ftp.GetFileSize;
FillCredentials(request, rl);
using (FtpWebResponse response = (FtpWebResponse)request.GetResponse())
{
result.FileSize = response.ContentLength;
}
request = (FtpWebRequest)GetRequest(rl);
request.Method = WebRequestMethods.Ftp.GetDateTimestamp;
FillCredentials(request, rl);
using (FtpWebResponse response = (FtpWebResponse)request.GetResponse())
{
result.LastModified = response.LastModified;
}
return result;
}
public Downloader(
ResourceLocation rl,
ResourceLocation[] mirrors,
string localFile,
int segmentCount) :
this(rl, mirrors, localFile)
{
SetState(DownloaderState.NeedToPrepare);
this.createdDateTime = DateTime.Now;
this.requestedSegmentCount = segmentCount;
this.segments = new List<Segment>();
}
public Stream CreateStream(ResourceLocation rl, long initialPosition, long endPosition)
{
FtpWebRequest request = (FtpWebRequest)GetRequest(rl);
FillCredentials(request, rl);
request.Method = WebRequestMethods.Ftp.DownloadFile;
request.ContentOffset = initialPosition;
WebResponse response = request.GetResponse();
return response.GetResponseStream();
}
public static ResourceLocation FromURL(
string url,
bool authenticate,
string login,
string password)
{
ResourceLocation rl = new ResourceLocation();
rl.URL = url;
rl.Authenticate = authenticate;
rl.Login = login;
rl.Password = password;
return rl;
}
public virtual RemoteFileInfo GetFileInfo(ResourceLocation rl, out Stream stream)
{
HttpWebRequest request = (HttpWebRequest)GetRequest(rl);
FillCredentials(request, rl);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
RemoteFileInfo result = new RemoteFileInfo();
result.MimeType = response.ContentType;
result.LastModified = response.LastModified;
result.FileSize = response.ContentLength;
result.AcceptRanges = String.Compare(response.Headers["Accept-Ranges"], "bytes", true) == 0;
stream = response.GetResponseStream();
return result;
}
private void FillCredentials(HttpWebRequest request, ResourceLocation rl)
{
if (rl.Authenticate)
{
string login = rl.Login;
string domain = string.Empty;
int slashIndex = login.IndexOf('\\');
if (slashIndex >= 0)
{
domain = login.Substring(0, slashIndex);
login = login.Substring(slashIndex + 1);
}
NetworkCredential myCred = new NetworkCredential(login, rl.Password);
myCred.Domain = domain;
request.Credentials = myCred;
}
}
public virtual Stream CreateStream(ResourceLocation rl, long initialPosition, long endPosition)
{
HttpWebRequest request = (HttpWebRequest)GetRequest(rl);
FillCredentials(request, rl);
if (initialPosition != 0)
{
if (endPosition == 0)
{
request.AddRange((int)initialPosition);
}
else
{
request.AddRange((int)initialPosition, (int)endPosition);
}
}
WebResponse response = request.GetResponse();
return response.GetResponseStream();
}
public Downloader(
ResourceLocation rl,
ResourceLocation[] mirrors,
string localFile,
List<Segment> segments,
RemoteFileInfo remoteInfo,
int requestedSegmentCount,
DateTime createdDateTime) :
this(rl, mirrors, localFile)
{
if (segments.Count > 0)
{
SetState(DownloaderState.Prepared);
}
else
{
SetState(DownloaderState.NeedToPrepare);
}
this.createdDateTime = createdDateTime;
this.remoteFileInfo = remoteInfo;
this.requestedSegmentCount = requestedSegmentCount;
this.segments = segments;
}
private Downloader(
ResourceLocation rl,
ResourceLocation[] mirrors,
string localFile)
{
this.threads = new List<Thread>();
this.resourceLocation = rl;
if (mirrors == null)
{
this.mirrors = new List<ResourceLocation>();
}
else
{
this.mirrors = new List<ResourceLocation>(mirrors);
}
this.localFile = localFile;
extentedProperties = new Dictionary<string, object>();
defaultDownloadProvider = rl.BindProtocolProviderInstance(this);
segmentCalculator = new MinSizeSegmentCalculator();
this.MirrorSelector = new SequentialMirrorSelector();
}
public void NewFileDownload(string fileName, string url, string location, int segments)
{
ResourceLocation rl = new ResourceLocation();
rl.Authenticate = false;
rl.URL = url;
rl.BindProtocolProviderType();
if (rl.ProtocolProviderType != null)
{
string localFile = string.Empty;
if (segments > Settings.Default.MaxSegments)
{
segments = Settings.Default.MaxSegments;
}
if (segments < 1)
{
segments = 1;
}
localFile = GetLocalFile(fileName, url, location);
Downloader download = WebAutomation.DownloadManager.DownloadManager.Instance.Add(
rl,
null,
localFile,
segments,
false);
}
}
public static ResourceLocation FromURL(string url)
{
ResourceLocation rl = new ResourceLocation();
rl.URL = url;
return rl;
}
public Downloader Add(ResourceLocation rl, ResourceLocation[] mirrors, string localFile, List<Segment> segments, RemoteFileInfo remoteInfo, int requestedSegmentCount, bool autoStart, DateTime createdDateTime)
{
Downloader d = new Downloader(rl, mirrors, localFile, segments, remoteInfo, requestedSegmentCount, createdDateTime);
Add(d, autoStart);
return d;
}
public Downloader Add(ResourceLocation rl, ResourceLocation[] mirrors, string localFile, int segments, bool autoStart)
{
Downloader d = new Downloader(rl, mirrors, localFile, segments);
Add(d, autoStart);
return d;
}
