public static PackageFragmentValidationResult LoadInstallXml(string zipFilename, out XElement installElement)
{
installElement = null;
ZipFileSystem zipFileSystem = null;
try
{
zipFileSystem = new ZipFileSystem(zipFilename);
}
catch (Exception ex)
{
return(new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, ex));
}
string filename = string.Format("~/{0}", PackageSystemSettings.InstallFilename);
if (zipFileSystem.ContainsFile(filename) == false)
{
return(new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, string.Format("Installation file '{0}' is missing from the zip file", filename)));
}
try
{
using (var stream = zipFileSystem.GetFileStream(filename))
using (var streamReader = new C1StreamReader(stream))
{
string fileContent = streamReader.ReadToEnd();
installElement = XElement.Parse(fileContent);
}
}
catch (Exception ex)
{
return(new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, ex));
}
return(null);
}
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);
}