private bool InstallProviderFromInstaller(Package provider, Link link, string fastPath, BootstrapRequest request)
{
switch (link.MediaType) {
case Iso19770_2.MediaType.MsiPackage:
case Iso19770_2.MediaType.MsuPackage:
return InstallPackageFile(provider, fastPath, request);
case Iso19770_2.MediaType.PackageReference:
// let the core figure out how to install this package
var packages = PackageManagementService.FindPackageByCanonicalId(link.HRef.AbsoluteUri, request).ToArray();
switch (packages.Length) {
case 0:
request.Warning("Unable to resolve package reference '{0}'", link.HRef);
return false;
case 1:
return InstallPackageReference(provider, fastPath, request, packages);
default:
request.Warning("Package Reference '{0}' resolves to {1} packages.", packages.Length);
return false;
}
default:
request.Warning("Provider '{0}' with link '{1}' has unknown media type '{2}'.", provider.Name, link.HRef, link.MediaType);
return false;
}
}
private bool InstallPackageReference(Package provider, string fastPath, BootstrapRequest request, SoftwareIdentity[] packages)
{
IHostApi installRequest = request;
if (packages[0].Provider.Name.EqualsIgnoreCase("PSModule") && !request.ProviderServices.IsElevated) {
// if we're not elevated, we want powershellget to install to the user scope
installRequest = new object[] {
new {
GetOptionKeys = new Func<IEnumerable<string>>(() => request.OptionKeys.ConcatSingleItem("Scope")),
GetOptionValues = new Func<string, IEnumerable<string>>((key) => {
if (key != null && key.EqualsIgnoreCase("Scope")) {
return "CurrentUser".SingleItemAsEnumerable();
}
return request.GetOptionValues(key);
})
}
, installRequest
}.As<IHostApi>();
}
var installing = packages[0].Provider.InstallPackage(packages[0], installRequest);
SoftwareIdentity lastPackage = null;
foreach (var i in installing) {
lastPackage = i;
// should we echo each package back as it comes back?
request.YieldSoftwareIdentity(i.FastPackageReference, i.Name, i.Version, i.VersionScheme, i.Summary, i.Source, i.SearchKey, i.FullPath, i.PackageFilename);
if (request.IsCanceled) {
installing.Cancel();
}
}
if (!request.IsCanceled && lastPackage != null) {
if (provider.Name.EqualsIgnoreCase("PSModule")) {
// special case. PSModules we can just ask the PowerShell provider to pick it up
// rather than try to scan for it.
PackageManagementService.TryLoadProviderViaMetaProvider("PowerShell", lastPackage.FullPath, request);
request.YieldFromSwidtag(provider, fastPath);
return true;
}
// looks like it installed ok.
request.YieldFromSwidtag(provider, fastPath);
// rescan providers
PackageManagementService.LoadProviders(request.As<IRequest>());
return true;
}
return false;
}
private bool InstallPackageFile(Package provider, string fastPath, BootstrapRequest request)
{
// we can download and verify this package and get the core to install it.
var file = request.DownloadAndValidateFile(provider.Name, provider._swidtag.Links.Where(each => each.Relationship == Iso19770_2.Relationship.InstallationMedia));
if (file != null) {
// we have a valid file.
// run the installer
if (request.ProviderServices.Install(file, "", request)) {
// it installed ok!
request.YieldFromSwidtag(provider, fastPath);
PackageManagementService.LoadProviders(request.As<IRequest>());
return true;
}
request.Warning(Constants.Messages.FailedProviderBootstrap, fastPath);
}
return false;
}
private bool InstallAssemblyProvider(Package provider, Link link, string fastPath, BootstrapRequest request)
{
if (!Directory.Exists(request.DestinationPath)) {
request.Error(ErrorCategory.InvalidOperation, fastPath, Constants.Messages.DestinationPathNotSet);
return false;
}
var targetFilename = link.Attributes[Iso19770_2.Discovery.TargetFilename];
if (string.IsNullOrWhiteSpace(targetFilename)) {
request.Error(ErrorCategory.InvalidOperation, fastPath, Constants.Messages.InvalidFilename);
return false;
}
targetFilename = Path.GetFileName(targetFilename);
var targetFile = Path.Combine(request.DestinationPath, targetFilename);
// download the file
var file = request.DownloadAndValidateFile(provider.Name, provider._swidtag.Links.Where(each => each.Relationship == Iso19770_2.Relationship.InstallationMedia));
if (file != null) {
// looks good! let's keep it
if (File.Exists(targetFile)) {
request.Debug("Removing old file '{0}'", targetFile);
targetFile.TryHardToDelete();
}
// is that file still there?
if (File.Exists(targetFile)) {
request.Error(ErrorCategory.InvalidOperation, fastPath, Constants.Messages.UnableToRemoveFile, targetFile);
return false;
}
request.Debug("Copying file '{0}' to '{1}'", file, targetFile);
File.Copy(file, targetFile);
if (File.Exists(targetFile)) {
// since we only installed a single assembly, we can just ask to load that specific assembly.
if (PackageManagementService.TryToLoadProviderAssembly(targetFile, request)) {
// looks good to me.
request.YieldFromSwidtag(provider, fastPath);
return true;
}
}
}
if (file != null) {
file.TryHardToDelete();
}
return false;
}
internal bool YieldFromSwidtag(Package pkg, string searchKey)
{
if (pkg == null) {
return !IsCanceled;
}
var provider = pkg._swidtag;
var targetFilename = provider.Links.Select(each => each.Attributes[Iso19770_2.Discovery.TargetFilename]).WhereNotNull().FirstOrDefault();
var summary = new MetadataIndexer(provider)[Iso19770_2.Attributes.Summary.LocalName].FirstOrDefault();
var fastPackageReference = pkg.Location.AbsoluteUri;
if (YieldSoftwareIdentity(fastPackageReference, provider.Name, provider.Version, provider.VersionScheme, summary, null, searchKey, null, targetFilename) != null) {
// yield all the meta/attributes
if (provider.Meta.Any(
m => {
var element = AddMeta(fastPackageReference);
var attributes = m.Attributes;
return attributes.Keys.Any(key => {
var nspace = key.Namespace.ToString();
if (String.IsNullOrWhiteSpace(nspace)) {
return AddMetadata(element, key.LocalName, attributes[key]) == null;
}
return AddMetadata(element, new Uri(nspace), key.LocalName, attributes[key]) == null;
});
})) {
return !IsCanceled;
}
if (provider.Links.Any(link => AddLink(link.HRef, link.Relationship, link.MediaType, link.Ownership, link.Use, link.Media, link.Artifact) == null)) {
return !IsCanceled;
}
if (provider.Entities.Any(entity => AddEntity(entity.Name, entity.RegId, entity.Role, entity.Thumbprint) == null)) {
return !IsCanceled;
}
if (AddMetadata(fastPackageReference, "FromTrustedSource", true.ToString()) == null) {
return !IsCanceled;
}
}
return !IsCanceled;
}
internal bool YieldFromSwidtag(Package provider, string requiredVersion, string minimumVersion, string maximumVersion, string searchKey)
{
if (provider == null) {
// if the provider isn't there, just return.
return !IsCanceled;
}
if (AnyNullOrEmpty(provider.Name, provider.Version, provider.VersionScheme)) {
Debug("Skipping yield on swid due to missing field \r\n", provider.ToString());
return !IsCanceled;
}
if (!String.IsNullOrWhiteSpace(requiredVersion)) {
if (provider.Version != requiredVersion) {
return !IsCanceled;
}
} else {
if (!String.IsNullOrWhiteSpace(minimumVersion) && SoftwareIdentityVersionComparer.CompareVersions(provider.VersionScheme, provider.Version, minimumVersion) < 0) {
return !IsCanceled;
}
if (!String.IsNullOrWhiteSpace(maximumVersion) && SoftwareIdentityVersionComparer.CompareVersions(provider.VersionScheme, provider.Version, maximumVersion) > 0) {
return !IsCanceled;
}
}
return YieldFromSwidtag(provider, searchKey);
}
