public override void WarnBeforeResponsivenessCancellation()
{
if (CanCallHost)
{
_hostApi.Warning((GetMessageString(Constants.Messages.ProviderNotResponsive, null) ?? "Provider '{0}' is not respecting the responsiveness threshold in a timely fashion; Canceling request.").format(Provider.ProviderName));
}
}
public IAsyncEnumerable <SoftwareIdentity> InstallPackage(SoftwareIdentity softwareIdentity, IHostApi requestObject)
{
if (requestObject == null)
{
throw new ArgumentNullException("requestObject");
}
if (softwareIdentity == null)
{
throw new ArgumentNullException("softwareIdentity");
}
// if the provider didn't say this was trusted, we should ask the user if it's ok.
if (!softwareIdentity.FromTrustedSource)
{
try {
if (!requestObject.ShouldContinueWithUntrustedPackageSource(softwareIdentity.Name, softwareIdentity.Source))
{
requestObject.Warning(requestObject.FormatMessageString(Constants.Messages.UserDeclinedUntrustedPackageInstall, softwareIdentity.Name));
return(new EmptyAsyncEnumerable <SoftwareIdentity>());
}
} catch {
return(new EmptyAsyncEnumerable <SoftwareIdentity>());
}
}
return(new SoftwareIdentityRequestObject(this, requestObject ?? new object().As <IHostApi>(), request => Provider.InstallPackage(softwareIdentity.FastPackageReference, request), Constants.PackageStatus.Installed));
}
public IEnumerable <PackageProvider> SelectProviders(string providerName, IHostApi hostApi)
{
if (!string.IsNullOrWhiteSpace(providerName))
{
// match with wildcards
var results = _packageProviders.Values.Where(each => each.ProviderName.IsWildcardMatch(providerName)).ReEnumerable();
if (results.Any())
{
return(results);
}
if (hostApi != null && !providerName.ContainsWildcards())
{
// if the end user requested a provider that's not there. perhaps the bootstrap provider can find it.
if (RequirePackageProvider(null, providerName, Constants.MinVersion, hostApi))
{
// seems to think we found it.
if (_packageProviders.ContainsKey(providerName))
{
return(_packageProviders[providerName].SingleItemAsEnumerable());
}
}
// warn the user that that provider wasn't found.
hostApi.Warning(hostApi.FormatMessageString(Constants.Messages.UnknownProvider, providerName));
}
return(Enumerable.Empty <PackageProvider>());
}
return(PackageProviders);
}
public bool Warning(string messageText)
{
if (CanCallHost)
{
return(_hostApi.Warning(messageText));
}
return(true);
}
internal static IHostApi ProviderSpecific(this IHostApi parent, PackageProvider provider)
{
var thisProviderIsCanceled = false;
return(new object[] {
new {
Error = new Func <string, string, string, string, bool>((id, cat, targetobjectvalue, messageText) => {
// turn errors into warnings when we're working in parallel
parent.Warning(messageText);
thisProviderIsCanceled = true;
// tell the provider that yeah, this request is canceled.
return thisProviderIsCanceled;
}),
GetIsCanceled = new Func <bool>(() => parent.IsCanceled || thisProviderIsCanceled)
},
parent,
}.As <IHostApi>());
}
public bool Warning(string messageText)
{
return(_hostApi.Warning(messageText));
}
private IEnumerable<PackageProvider> ImportPackageProviderViaPath(IHostApi request, string providerName) {
var extension = Path.GetExtension(providerName);
if (extension != null && extension.Equals(".dll")) {
//TODO need to check if the assembly is from the known designated folder
// List<string> knownAssemblyFolders = new List<string>();
//todo: get the current ps module folder instead of program files
//todo build a internal asemlby table for Get-packageprovider to display.
//todo: PackageProviderItem: providername, version, path, loaded, type (PS or dll), providerobject sorted by loaded
var exist = AutoloadedAssemblyLocations.Where(each => each.Equals(Path.GetDirectoryName(providerName))).Any();
//if (knownAssemblyFolders.Contains(Path.GetDirectoryName(providerName))) {
if (exist)
{
//If so, load it.
var loaded = LoadProviderAssembly(request, providerName);
if (loaded)
{
request.Verbose("loaded successfully");
//TODO not need to be so sily, reference to the key of master list is enough
yield return _packageProviders[Path.GetFileNameWithoutExtension(providerName)];
//return SelectProviders(Path.GetFileNameWithoutExtension(providerName), request);
}
request.Warning(string.Format("cannot load assembly '{0}'. you need to add your assembly here...", providerName));
yield return null;
}
else
{
request.Warning(string.Format("The specified provider '{0}' was not loaded because no valid provider file was found", providerName));
}
}
//deal with modules with full path
var powerShellMetaProvider = GetMetaProviderObject(request);
if (powerShellMetaProvider == null)
{
yield return null;
}
//load the proviver
//TODO firstordefault
yield return ImportProvider(request, providerName, powerShellMetaProvider);
}
//TODO Name, Version,....
public IEnumerable<PackageProvider> ImportPackageProvider(IHostApi request, string providerName, bool isPathRooted) {
if (providerName.IsNullOrEmpty())
{
return Enumerable.Empty<PackageProvider>();
}
//foreach (var name in providerNames) {
//check if it;s loaded.
var results = _packageProviders.Values.Where(each => each.ProviderName.IsWildcardMatch(providerName)).ReEnumerable();
if (results.Any())
{
//the provider is already loaded and tracked in the loaded master list: _packageProviders
request.Verbose(string.Format("The provider '{0}' has already been imported.", providerName));
return Enumerable.Empty<PackageProvider>();
}
if (isPathRooted)
{
if (File.Exists(providerName))
{
// looks like we have something that could definitely be a
// a module path.
//yield return new KeyValuePair<string, string>(fullPath, (moduleVersion ?? new Version(0, 0)).ToString());
return ImportPackageProviderViaPath(request, providerName);
} else {
//error out
request.Warning(String.Format("{0} is not found", providerName));
}
} else {
return ImportPackageProviderViaName(request, providerName);
}
// return providerNames.SelectMany(each => ImportPackageProvider(request, each));
// }
return Enumerable.Empty<PackageProvider>();
}
//Scan through the well-known providerAssemblies folder to find the providers that met the condition.
internal IEnumerable<string> ScanAllProvidersFromProviderAssembliesLocation(
IHostApi request,
string providerName,
Version requiredVersion,
Version minimumVersion,
Version maximumVersion,
ProviderOption providerOption = ProviderOption.LatestVersion) {
//if provider is installed in providername\version format
var providerFolder = ProviderAssembliesLocation.Distinct(new PathEqualityComparer(PathCompareOption.Full)).SelectMany(Directory.EnumerateDirectories);
foreach (var providerNameFolder in providerFolder) {
var name = Path.GetFileName(providerNameFolder);
//check the providername folder
if (!string.IsNullOrWhiteSpace(providerName)) {
if (string.IsNullOrWhiteSpace(providerNameFolder)) {
continue;
}
if (string.IsNullOrWhiteSpace(name) || !name.IsWildcardMatch(providerName)) {
continue;
}
}
var selectedVersions = Directory.EnumerateDirectories(providerNameFolder).Select(versionFolder => {
//check if the version is in a valid format. Ver will be 0 if TryParse fails and it won't be selected
Version ver;
if (System.Version.TryParse(Path.GetFileName(versionFolder), out ver)) {
return new {
folder = versionFolder,
version = (FourPartVersion)ver
};
}
return null;
}).Where(each => each != null && each.version > 0L);
selectedVersions = selectedVersions.Where(eachVersion => {
if ((requiredVersion == null) || eachVersion.version == (FourPartVersion)requiredVersion) {
if ((minimumVersion == null) || eachVersion.version >= (FourPartVersion)minimumVersion) {
if ((maximumVersion == null) || eachVersion.version <= (FourPartVersion)maximumVersion) {
return true;
}
}
}
return false;
});
//Get the version folders
var versionFolders = (providerOption == ProviderOption.AllProvider) ?
selectedVersions.Select(each => each.folder).Where(Directory.Exists) :
new[] {selectedVersions.OrderByDescending(each => each.version).Select(each => each.folder).FirstOrDefault(Directory.Exists)};
foreach (var assemblyFolder in versionFolders.WhereNotNull()) {
//we reached the provider assembly file path now
var files = Directory.EnumerateFiles(assemblyFolder)
.Where(file => (file != null) && (Path.GetExtension(file).EqualsIgnoreCase(".dll") || Path.GetExtension(file).EqualsIgnoreCase(".exe"))).ToArray();
//if found more than one dll is installed under a version folder, this is not allowed. warning here as enumerating for providers should continue
if (files.Any() && files.Count() > 1) {
request.Warning(string.Format(CultureInfo.CurrentCulture, Resources.Messages.SingleAssemblyAllowed, files.JoinWithComma()));
continue;
}
// find modules that have the provider manifests
var filelist = files.Where(each => Manifest.LoadFrom(each).Any(manifest => Swidtag.IsSwidtag(manifest) && new Swidtag(manifest).IsApplicable(new Hashtable())));
if (!filelist.Any()) {
continue;
}
var version = Path.GetFileName(assemblyFolder);
var defaultPkgProvider = new DefaultPackageProvider(name, version);
var providerPath = files.FirstOrDefault();
var pkgProvider = new PackageProvider(defaultPkgProvider)
{
ProviderPath = providerPath,
Version = version,
IsLoaded = false
};
AddToProviderCacheTable(name, pkgProvider);
yield return providerPath;
}
}
//check if assembly is installed at the top leverl folder.
var providerFiles = ProviderAssembliesLocation.Distinct(new PathEqualityComparer(PathCompareOption.Full)).SelectMany(Directory.EnumerateFiles)
.Where(each => each.FileExists() && (Path.GetExtension(each).EqualsIgnoreCase(".dll") || Path.GetExtension(each).EqualsIgnoreCase(".exe"))).ReEnumerable();
// found the assemblies at the top level folder.
// if a user is looking for a specific version & provider name, we are not be able to know the provider name or version without loading it.
// Thus, for the top level providers, we just need to load them for the backward compatibility.
if (providerFiles.Any()) {
request.Verbose(string.Format(CultureInfo.CurrentCulture, Resources.Messages.ProviderNameAndVersionNotAvailableFromFilePath, providerFiles.JoinWithComma()));
foreach (var provider in providerFiles) {
//the provider is installed at the top level.
// find modules that have the provider manifests
if (Manifest.LoadFrom(provider).Any(manifest => Swidtag.IsSwidtag(manifest) && new Swidtag(manifest).IsApplicable(new Hashtable()))) {
yield return provider;
}
}
}
}
public IEnumerable<PackageProvider> SelectProviders(string providerName, IHostApi hostApi)
{
if (!string.IsNullOrWhiteSpace(providerName)) {
// match with wildcards
var results = _packageProviders.Values.Where(each => each.ProviderName.IsWildcardMatch(providerName)).ReEnumerable();
if (results.Any()) {
return results;
}
if (hostApi != null && !providerName.ContainsWildcards()) {
// if the end user requested a provider that's not there. perhaps the bootstrap provider can find it.
if (RequirePackageProvider(null, providerName, Constants.MinVersion, hostApi)) {
// seems to think we found it.
if (_packageProviders.ContainsKey(providerName)) {
return _packageProviders[providerName].SingleItemAsEnumerable();
}
}
// warn the user that that provider wasn't found.
hostApi.Warning(hostApi.FormatMessageString(Constants.Messages.UnknownProvider, providerName));
}
return Enumerable.Empty<PackageProvider>();
}
return PackageProviders;
}
