private void InstallProviderFromInstaller(DynamicElement provider, string fastPath, BootstrapRequest request)
{
string tmpFile = null;
var failedBecauseInvalid = false;
// download the file
foreach (var link in provider.XPath("/swid:SoftwareIdentity/swid:Link[@rel = 'installationmedia']"))
{
var href = link.Attributes["href"];
if (string.IsNullOrWhiteSpace(href) || !Uri.IsWellFormedUriString(href, UriKind.Absolute))
{
request.Debug("Bad or missing uri: {0}", href);
continue;
}
var artifact = link.Attributes["artifact"];
try {
tmpFile = artifact.GenerateTemporaryFilename();
request.Debug("Downloading '{0}' to '{1}'", href, tmpFile);
if (!request.DownloadFileToLocation(new Uri(href), tmpFile))
{
request.Debug("Failed download of '{0}'", href);
continue;
}
request.Debug("Verifying the package");
var valid = request.ProviderServices.IsSignedAndTrusted(tmpFile, request);
if (!valid)
{
request.Debug("Not Valid file '{0}' => '{1}'", href, tmpFile);
failedBecauseInvalid = true;
request.Warning(Constants.Messages.FileFailedVerification, href);
#if !DEBUG
tmpFile.TryHardToDelete();
continue;
#endif
}
// we have a valid file.
// run the installer
if (request.ProviderServices.Install(tmpFile, "", request))
{
// it installed ok!
request.YieldFromSwidtag(provider, null, null, null, fastPath);
PackageManagementService.LoadProviders(request.As <IRequest>());
}
else
{
request.Error(ErrorCategory.InvalidOperation, fastPath, Constants.Messages.FailedProviderBootstrap, fastPath);
}
} catch (Exception e) {
e.Dump();
}
finally {
if (!string.IsNullOrWhiteSpace(tmpFile))
{
tmpFile.TryHardToDelete();
}
}
}
if (failedBecauseInvalid)
{
request.Error(ErrorCategory.InvalidData, fastPath, Constants.Messages.FileFailedVerification, fastPath);
}
}