/// <summary>
/// Build up a table of checksum to <see cref="FileName"/> instance map. This will report errors if it
/// is unable to read any of the files off of disk.
/// </summary>
private ContentMap BuildContentMap(TextWriter textWriter, ref bool allGood)
{
var contentMap = new ContentMap();
foreach (var fileName in _batchData.FileNames)
{
try
{
var checksum = _contentUtil.GetChecksum(fileName.FullPath);
contentMap.Add(fileName, checksum);
}
catch (Exception ex)
{
if (!File.Exists(fileName.FullPath))
{
textWriter.WriteLine($"Did not find {fileName} at {fileName.FullPath}");
}
else
{
textWriter.WriteLine($"Unable to read content of {fileName.FullPath}: {ex.Message}");
}
allGood = false;
}
}
return(contentMap);
}
/// <summary>
/// Build up the <see cref="ZipData"/> instance for a given zip container. This will also report any consistency
/// errors found when examining the zip archive.
/// </summary>
private ZipData BuildZipData(FileName zipFileName, ContentMap contentMap, TextWriter textWriter, ref bool allGood)
{
Debug.Assert(zipFileName.IsZipContainer);
var nestedExternalBinaries = new List <string>();
var nestedParts = new List <ZipPart>();
using (var package = Package.Open(zipFileName.FullPath, FileMode.Open, FileAccess.Read))
{
foreach (var part in package.GetParts())
{
var relativeName = GetPartRelativeFileName(part);
var name = Path.GetFileName(relativeName);
if (!IsZipContainer(name) && !IsAssembly(name))
{
continue;
}
if (_batchData.ExternalFileNames.Contains(name))
{
nestedExternalBinaries.Add(name);
continue;
}
if (!_batchData.FileNames.Any(x => FilePathComparer.Equals(x.Name, name)))
{
allGood = false;
textWriter.WriteLine($"signtool : error : Zip Container '{zipFileName}' has part '{relativeName}' which is not listed in the sign or external list");
continue;
}
// This represents a binary that we need to sign. Ensure the content in the VSIX is the same as the
// content in the binaries directory by doing a checksum match.
using (var stream = part.GetStream())
{
string checksum = _contentUtil.GetChecksum(stream);
if (!contentMap.TryGetFileName(checksum, out var checksumName))
{
allGood = false;
textWriter.WriteLine($"signtool : error : {zipFileName} has part {relativeName} which does not match the content in the binaries directory");
continue;
}
if (!FilePathComparer.Equals(checksumName.Name, name))
{
allGood = false;
textWriter.WriteLine($"signtool : error : {zipFileName} has part {relativeName} with a different name in the binaries directory: {checksumName}");
continue;
}
nestedParts.Add(new ZipPart(relativeName, checksumName, checksum));
}
}
}
return(new ZipData(zipFileName, nestedParts.ToImmutableArray(), nestedExternalBinaries.ToImmutableArray()));
}
private Dictionary <FileName, ZipData> BuildAllZipData(ContentMap contentMap, TextWriter textWriter, ref bool allGood)
{
var zipDataMap = new Dictionary <FileName, ZipData>();
foreach (var zipName in _batchData.FileNames.Where(x => x.IsZipContainer))
{
var data = BuildZipData(zipName, contentMap, textWriter, ref allGood);
zipDataMap[zipName] = data;
}
return(zipDataMap);
}
/// <summary>
/// Build up a table of checksum to <see cref="FileName"/> instance map. This will report errors if it
/// is unable to read any of the files off of disk.
/// </summary>
private ContentMap BuildContentMap(TextWriter textWriter, ref bool allGood)
{
var contentMap = new ContentMap();
foreach (var fileName in _batchData.FileNames)
{
try
{
if (string.IsNullOrEmpty(fileName.SHA256Hash))
{
var checksum = _contentUtil.GetChecksum(fileName.FullPath);
contentMap.Add(fileName, checksum);
}
else
{
if (File.Exists(fileName.FullPath))
{
contentMap.Add(fileName, fileName.SHA256Hash);
}
else
{
throw new FileNotFoundException();
}
}
}
catch (Exception ex)
{
if (!File.Exists(fileName.FullPath))
{
textWriter.WriteLine($"signtool : error : Did not find {fileName} at {fileName.FullPath}");
}
else
{
textWriter.WriteLine($"signtool : error : Unable to read content of {fileName.FullPath}: {ex.Message}");
}
allGood = false;
}
}
return(contentMap);
}
private bool GenerateOrchestrationManifest(TextWriter textWriter, BatchSignInput batchData, ContentMap contentMap, string outputPath)
{
textWriter.WriteLine($"Generating orchestration file manifest into {outputPath}");
OrchestratedFileJson fileJsonWithInfo = new OrchestratedFileJson
{
ExcludeList = _batchData.ExternalFileNames.ToArray() ?? Array.Empty <string>()
};
var distinctSigningCombos = batchData.FileSignInfoMap.Values.GroupBy(v => new { v.Certificate, v.StrongName });
List <OrchestratedFileSignData> newList = new List <OrchestratedFileSignData>();
foreach (var combinationToSign in distinctSigningCombos)
{
var filesInThisGroup = combinationToSign.Select(c => new FileSignDataEntry()
{
FilePath = c.FileName.RelativePath,
SHA256Hash = contentMap.GetChecksum(c.FileName),
PublishToFeedUrl = batchData.PublishUri
});
newList.Add(new OrchestratedFileSignData()
{
Certificate = combinationToSign.Key.Certificate,
StrongName = combinationToSign.Key.StrongName,
FileList = filesInThisGroup.ToArray()
});
}
fileJsonWithInfo.SignList = newList.ToArray();
fileJsonWithInfo.Kind = "orchestration";
using (StreamWriter file = File.CreateText(outputPath))
{
file.Write(JsonConvert.SerializeObject(fileJsonWithInfo, Formatting.Indented));
}
return(true);
}
/// <summary>
/// Actually sign all of the described files.
/// </summary>
private bool SignFiles(ContentMap contentMap, Dictionary <FileName, ZipData> zipDataMap, TextWriter textWriter)
{
// Generate the list of signed files in a deterministic order. Makes it easier to track down
// bugs if repeated runs use the same ordering.
var toSignList = _batchData.FileNames.ToList();
var round = 0;
var signedSet = new HashSet <FileName>();
void signFiles(IEnumerable <FileName> files)
{
textWriter.WriteLine($"Signing Round {round}");
foreach (var name in files)
{
textWriter.WriteLine($"\t{name}");
}
_signTool.Sign(round, files.Select(x => _batchData.FileSignInfoMap[x]).Where(x => !x.IsEmpty), textWriter);
}
void repackFiles(IEnumerable <FileName> files)
{
var any = false;
foreach (var file in files)
{
if (file.IsZipContainer)
{
if (!any)
{
textWriter.WriteLine("Repacking");
any = true;
}
textWriter.WriteLine($"\t{file}");
Repack(zipDataMap[file]);
}
}
}
// Is this file ready to be signed? That is are all of the items that it depends on already
// signed?
bool isReadyToSign(FileName fileName)
{
if (!fileName.IsZipContainer)
{
return(true);
}
var zipData = zipDataMap[fileName];
return(zipData.NestedParts.All(x => signedSet.Contains(x.FileName)));
}
// Extract the next set of files that should be signed. This is the set of files for which all of the
// dependencies have been signed.
List <FileName> extractNextGroup()
{
var list = new List <FileName>();
var i = 0;
while (i < toSignList.Count)
{
var current = toSignList[i];
if (isReadyToSign(current))
{
list.Add(current);
toSignList.RemoveAt(i);
}
else
{
i++;
}
}
return(list);
}
try
{
while (toSignList.Count > 0)
{
var list = extractNextGroup();
if (list.Count == 0)
{
throw new Exception("No progress made on signing which indicates a bug");
}
repackFiles(list);
signFiles(list);
round++;
list.ForEach(x => signedSet.Add(x));
}
return(true);
}
catch (Exception ex)
{
textWriter.WriteLine($"Signing failed: {ex.Message}");
return(false);
}
}