public async Task <VirtualFile> DownloadVersion(string version, VirtualDirectory downloadDirectory,
IProgressNotifier parentProgress = null,
string proxy = "")
{
await EnsureRepository(proxy).ConfigureAwait(false);
string actualVersion = await CheckVersion(version, proxy).ConfigureAwait(false);
CliVersionDefinition versionDefinition = repository.Version.FirstOrDefault(v => v.GetInformalVersion() == actualVersion);
if (versionDefinition == null)
{
throw new UnkownVersionException(actualVersion);
}
FileDefinition downloadFile = GetCorrectVersion();
if (downloadFile == null)
{
throw new UnsupportedSystemException(environmentService.PlatformName, environmentService.Architecture);
}
Uri downloadUri = InvalidUriFormatException.TryCreateUri(downloadFile.relPath,
InvalidUriFormatException.TryCreateUri(settingsProvider.Settings.CliRepositoryRoot));
VirtualFile result = downloadDirectory.File(downloadFile.name);
using (Stream fileStream = result.OpenWrite())
{
await Download(downloadUri, fileStream, proxy, parentProgress).ConfigureAwait(false);
}
using (Stream fileStream = result.OpenRead())
{
try
{
securityValidator.ValidateHash(fileStream, downloadFile.Fingerprint.hash, downloadFile.Fingerprint.algorithm);
}
catch (HashValidationException e)
{
e.ValidationFileName = downloadUri.AbsolutePath;
throw;
}
}
return(result);
FileDefinition GetCorrectVersion()
{
FileDefinition[] correctArchitecture = versionDefinition.File
.Where(f => f.Architecture.ToString().Equals(environmentService.Architecture,
StringComparison.OrdinalIgnoreCase))
.ToArray();
return(correctArchitecture.FirstOrDefault(f => f.OS.ToString().Equals(environmentService.PlatformName,
StringComparison.OrdinalIgnoreCase)) ??
correctArchitecture.FirstOrDefault(f => f.OS == OSDefinition.unbound));
}
}
public async Task <bool> IsCurrentVersion(string version, string proxy = "")
{
await EnsureRepository(proxy).ConfigureAwait(false);
string actualVersion = await CheckVersion(version, proxy).ConfigureAwait(false);
bool onlyUpdate = actualVersion != version;
CliVersionDefinition versionDefinition = repository.Version.FirstOrDefault(v => v.GetInformalVersion() == actualVersion);
if (versionDefinition != null)
{
Version formalVersion = Version.Parse(versionDefinition.version);
return(onlyUpdate
? formalVersion <= environmentService.AssemblyVersion
: formalVersion == environmentService.AssemblyVersion);
}
return(false);
}
