private IEnumerable <PackageFragmentValidationResult> LoadPackageFragmentInstallerBinaries()
{
string binariesDirectory = Path.Combine(this.PackageInstallationDirectory, PackageSystemSettings.BinariesDirectoryName);
if (!C1Directory.Exists(binariesDirectory))
{
yield break;
}
foreach (string filename in C1Directory.GetFiles(binariesDirectory))
{
string newFilename = Path.Combine(this.TempDirectory, Path.GetFileName(filename));
C1File.Copy(filename, newFilename);
Log.LogVerbose("PackageUninstaller", "Loading package uninstaller fragment assembly '{0}'", newFilename);
Exception exception = null;
try
{
PackageAssemblyHandler.AddAssembly(newFilename);
}
catch (Exception ex)
{
exception = ex;
}
if (exception != null)
{
yield return(new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, exception));
}
}
}
private IEnumerable <PackageFragmentValidationResult> LoadPackageFragmentInstallerBinaries(XElement packageFragmentInstallerBinariesElement)
{
var binaryElements = packageFragmentInstallerBinariesElement.Elements(XmlUtils.GetXName(PackageSystemSettings.XmlNamespace,
PackageSystemSettings.PackageFragmentInstallerBinariesAddElementName)).ToList();
if (!binaryElements.Any())
{
return(new PackageFragmentValidationResult[0]);
}
string binariesDirectory = Path.Combine(this.PackageInstallDirectory, PackageSystemSettings.BinariesDirectoryName);
if (!C1Directory.Exists(binariesDirectory))
{
C1Directory.CreateDirectory(binariesDirectory);
}
var result = new List <PackageFragmentValidationResult>();
foreach (XElement element in binaryElements)
{
XAttribute pathAttribute = element.Attribute(PackageSystemSettings.PathAttributeName);
string sourceFilename = pathAttribute.Value;
string targetFilename = Path.Combine(binariesDirectory, Path.GetFileName(sourceFilename));
ZipFileSystem zipFileSystem = new ZipFileSystem(this.ZipFilename);
if (!zipFileSystem.ContainsFile(sourceFilename))
{
result.AddFatal($"The file '{sourceFilename}' is missing from the zip file");
continue;
}
// Extracting dll to package temp folder
if (C1File.Exists(targetFilename))
{
bool success = false;
try
{
FileUtils.Delete(targetFilename);
success = true;
}
catch (UnauthorizedAccessException) {}
if (!success)
{
result.AddFatal($"Access denied to file '{targetFilename}'");
continue;
}
}
zipFileSystem.WriteFileToDisk(sourceFilename, targetFilename);
string newTargetFilename = Path.Combine(this.TempDirectory, Path.GetFileName(targetFilename));
C1File.Copy(targetFilename, newTargetFilename);
Log.LogVerbose("PackageInstaller", "Loading package uninstaller fragment assembly '{0}'", newTargetFilename);
PackageAssemblyHandler.AddAssembly(newTargetFilename);
}
return(result);
}
private IEnumerable <PackageFragmentValidationResult> Initialize()
{
if (_isInitialized)
{
throw new InvalidOperationException("Initialize() may only be called once");
}
_isInitialized = true;
Exception exception = null;
try
{
_packageInstallerContex = new PackageInstallerContext(new ZipFileSystem(this.ZipFilename), this.PackageInstallDirectory, this.TempDirectory, this.PackageInformation);
}
catch (Exception ex)
{
exception = ex;
}
if (exception != null)
{
return new [] { new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, exception) }
}
;
PackageAssemblyHandler.ClearAssemblyList();
XElement installElement;
PackageFragmentValidationResult packageFragmentValidationResult = XmlHelper.LoadInstallXml(this.ZipFilename, out installElement);
if (packageFragmentValidationResult != null)
{
return new [] { packageFragmentValidationResult }
}
;
XElement packageFragmentInstallerBinariesElement = installElement.Element(XmlUtils.GetXName(PackageSystemSettings.XmlNamespace, PackageSystemSettings.PackageFragmentInstallerBinariesElementName));
if (packageFragmentInstallerBinariesElement != null)
{
List <PackageFragmentValidationResult> result1 = LoadPackageFragmentInstallerBinaries(packageFragmentInstallerBinariesElement).ToList();
if (result1.Count > 0)
{
return(result1);
}
}
XElement packageFragmentInstallersElement = installElement.Element(XmlUtils.GetXName(PackageSystemSettings.XmlNamespace, PackageSystemSettings.PackageFragmentInstallersElementName));
if (packageFragmentInstallersElement == null)
{
return new [] { new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, string.Format("The {0} file is wrongly formatted", PackageSystemSettings.InstallFilename)) }
}
;
var result2 = LoadPackageFragmentInstallers(packageFragmentInstallersElement);
if (result2.Count > 0)
{
return(result2);
}
return(new PackageFragmentValidationResult[] { });
}
