private AssemblyInfo SignSingleAssembly(string assemblyPath, string keyPath, string outputDirectory, params string[] probingPaths)
{
try
{
Log.LogMessage(MessageImportance.Low, string.Empty);
Log.LogMessage(MessageImportance.Low, "Strong-name signing '{0}'...", assemblyPath);
var oldInfo = SigningHelper.GetAssemblyInfo(assemblyPath);
var newInfo = SigningHelper.SignAssembly(assemblyPath, keyPath, outputDirectory, null, probingPaths);
if (!oldInfo.IsSigned && newInfo.IsSigned)
{
Log.LogMessage(MessageImportance.Normal, "'{0}' was strong-name signed successfully.", newInfo.FilePath);
return(newInfo);
}
else
{
Log.LogMessage(MessageImportance.Low, "'{0}' already strong-name signed...", assemblyPath);
}
}
catch (BadImageFormatException bife)
{
Log.LogWarningFromException(bife, true);
}
catch (Exception ex)
{
Log.LogErrorFromException(ex, true, true, null);
}
return(null);
}
private AssemblyInfo SignSingleAssembly(string assemblyPath, string keyPath, string outputDirectory, params string[] probingPaths)
{
try
{
Log.LogMessage(MessageImportance.Low, string.Empty);
Log.LogMessage(MessageImportance.Low, "Strong-name signing '{0}'...", assemblyPath);
var oldInfo = SigningHelper.GetAssemblyInfo(assemblyPath);
var newInfo = SigningHelper.SignAssembly(assemblyPath, keyPath, outputDirectory, null, probingPaths);
if (!oldInfo.IsSigned && newInfo.IsSigned)
{
Log.LogMessage(MessageImportance.High, "Strong-name signature applied to '{0}' successfully.", newInfo.FilePath);
return(newInfo);
}
else
{
Log.LogMessage(MessageImportance.Low, "Strong-name signature already applied to '{0}'...", assemblyPath);
Log.LogMessage(MessageImportance.Low, "Original assembly IsSigned: {0}, After signing attempt IsSigned: {1}", oldInfo.IsSigned.ToString(), newInfo.IsSigned.ToString());
}
}
catch (BadImageFormatException ex)
{
Log.LogWarningFromException(ex, true);
}
catch (IOException ex)
{
Log.LogWarningFromException(ex, false);
}
catch (Exception ex)
{
Log.LogErrorFromException(ex, true, true, assemblyPath);
}
return(null);
}
public override bool Execute()
{
var timer = Stopwatch.StartNew();
bool chagesMade = false;
try
{
Log.LogMessage(MessageImportance.High, "-- Starting Brutal Developer .NET Assembly Strong-Name Signer Task --");
if (References == null || References.Length == 0)
{
return(true);
}
if (OutputPath == null || string.IsNullOrEmpty(OutputPath.ItemSpec))
{
Log.LogError("Task parameter 'OutputPath' not provided.");
return(false);
}
SignedAssembliesToReference = new ITaskItem[References.Length];
string signedAssemblyFolder = Path.GetFullPath(Path.Combine(OutputPath.ItemSpec, "StrongNameSigner"));
if (!Directory.Exists(signedAssemblyFolder))
{
Directory.CreateDirectory(signedAssemblyFolder);
}
string snkFilePath = Path.Combine(Path.GetDirectoryName(GetType().Assembly.Location), "StrongNameSigner.snk");
if (!File.Exists(snkFilePath))
{
File.WriteAllBytes(snkFilePath, SigningHelper.GenerateStrongNameKeyPair());
}
Log.LogMessage(MessageImportance.Normal, "Signed Assembly Directory: {0}", signedAssemblyFolder);
Log.LogMessage(MessageImportance.Normal, "SNK File Path: {0}", snkFilePath);
var updatedReferencePaths = new Dictionary <string, string>();
var processedAssemblyPaths = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
var signedAssemblyPaths = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
var probingPaths = References.Select(r => Path.GetDirectoryName(r.ItemSpec)).Distinct().ToArray();
for (int i = 0; i < References.Length; i++)
{
var ret = new TaskItem(References[i]);
if (References[i].ItemSpec.IndexOf("\\Reference Assemblies\\Microsoft\\", StringComparison.OrdinalIgnoreCase) > -1 ||
References[i].ItemSpec.IndexOf("\\Microsoft.NET\\Framework\\", StringComparison.OrdinalIgnoreCase) > -1 ||
References[i].ItemSpec.IndexOf("\\netstandard.library\\", StringComparison.OrdinalIgnoreCase) > -1 ||
References[i].ItemSpec.IndexOf("\\dotnet\\sdk\\", StringComparison.OrdinalIgnoreCase) > -1 ||
References[i].ItemSpec.IndexOf("\\dotnet\\packs\\", StringComparison.OrdinalIgnoreCase) > -1 ||
References[i].ItemSpec.IndexOf("\\dotnet\\shared\\Microsoft.", StringComparison.OrdinalIgnoreCase) > -1)
{
// Don't attempt to sign and process framework assemblies, they should be signed already, just add them to be copied.
ret.ItemSpec = References[i].ItemSpec;
SignedAssembliesToReference[i] = ret;
if (SignedAssembliesToReference[i].ItemSpec != References[i].ItemSpec)
{
updatedReferencePaths[References[i].ItemSpec] = SignedAssembliesToReference[i].ItemSpec;
}
}
else
{
var signedAssembly = SigningHelper.GetAssemblyInfo(References[i].ItemSpec);
// Check if it is currently signed.
if (!signedAssembly.IsSigned)
{
signedAssembly = SignSingleAssembly(References[i].ItemSpec, snkFilePath, signedAssemblyFolder, probingPaths);
chagesMade = true;
}
if (signedAssembly.IsSigned)
{
signedAssemblyPaths.Add(signedAssembly.FilePath);
processedAssemblyPaths.Add(signedAssembly.FilePath);
ret.ItemSpec = signedAssembly.FilePath;
}
else
{
processedAssemblyPaths.Add(References[i].ItemSpec);
}
SignedAssembliesToReference[i] = ret;
if (SignedAssembliesToReference[i].ItemSpec != References[i].ItemSpec)
{
updatedReferencePaths[References[i].ItemSpec] = SignedAssembliesToReference[i].ItemSpec;
}
}
}
if (chagesMade)
{
var referencesToFix = new HashSet <string>(processedAssemblyPaths, StringComparer.OrdinalIgnoreCase);
foreach (var filePath in processedAssemblyPaths)
{
// Go through all the references excluding the file we are working on.
foreach (var referencePath in referencesToFix.Where(r => !r.Equals(filePath)))
{
FixSingleAssemblyReference(filePath, referencePath, snkFilePath, probingPaths);
}
}
// Remove all InternalsVisibleTo attributes without public keys from the processed assemblies. Signed assemblies cannot have unsigned friend assemblies.
foreach (var filePath in signedAssemblyPaths)
{
RemoveInvalidFriendAssemblyReferences(filePath, snkFilePath, probingPaths);
}
}
if (CopyLocalPaths != null)
{
NewCopyLocalFiles = new ITaskItem[CopyLocalPaths.Length];
for (int i = 0; i < CopyLocalPaths.Length; i++)
{
string updatedPath;
if (updatedReferencePaths.TryGetValue(CopyLocalPaths[i].ItemSpec, out updatedPath))
{
NewCopyLocalFiles[i] = new TaskItem(CopyLocalPaths[i]);
NewCopyLocalFiles[i].ItemSpec = updatedPath;
}
else
{
NewCopyLocalFiles[i] = CopyLocalPaths[i];
}
}
}
Log.LogMessage(MessageImportance.High, "-- Finished Brutal Developer .NET Assembly Strong-Name Signer Task -- {0}", timer.Elapsed);
return(true);
}
catch (Exception ex)
{
Log.LogErrorFromException(ex, true, true, null);
}
return(false);
}