protected ArchiveEntryBase(string name, ArchiveEntryType type)
{
Exceptions.CheckArgumentNullOrEmprty(name, "name");
Name = name;
Type = type;
}
protected void AddFile(string entry, string relativePath, string prefix, List <ArchiveEntry> value, ITaskItem[] metadata)
{
var fileName = Path.GetFileName(entry);
byte[] fileHeader = null;
byte[] hash = null;
byte[] md5hash = null;
byte[] buffer = new byte[1024];
bool isAscii = true;
var fileMetadata = metadata.SingleOrDefault(m => m.IsPublished() && string.Equals(relativePath, m.GetPublishedPath()));
using (Stream fileStream = File.OpenRead(entry))
{
if (fileName.StartsWith(".") || fileStream.Length == 0)
{
// Skip hidden and empty files - this would case rmplint errors.
return;
}
using (var hasher = IncrementalHash.CreateHash(HashAlgorithmName.SHA256))
using (var md5hasher = IncrementalHash.CreateHash(HashAlgorithmName.MD5))
{
int read;
while (true)
{
read = fileStream.Read(buffer, 0, buffer.Length);
if (fileHeader == null)
{
fileHeader = new byte[read];
Buffer.BlockCopy(buffer, 0, fileHeader, 0, read);
}
hasher.AppendData(buffer, 0, read);
md5hasher.AppendData(buffer, 0, read);
isAscii = isAscii && buffer.All(c => c < 128);
if (read < buffer.Length)
{
break;
}
}
hash = hasher.GetHashAndReset();
md5hash = md5hasher.GetHashAndReset();
}
// Only support ELF32 and ELF64 colors; otherwise default to BLACK.
ArchiveEntryType entryType = this.GetArchiveEntryType(fileHeader);
var mode = LinuxFileMode.S_IROTH | LinuxFileMode.S_IRGRP | LinuxFileMode.S_IRUSR | LinuxFileMode.S_IFREG;
if (entryType == ArchiveEntryType.Executable32 || entryType == ArchiveEntryType.Executable64)
{
mode |= LinuxFileMode.S_IXOTH | LinuxFileMode.S_IXGRP | LinuxFileMode.S_IWUSR | LinuxFileMode.S_IXUSR;
}
// If a Linux path has been specified, use that one, else, use the default one based on the prefix
// + current file name.
string name = fileMetadata?.GetLinuxPath();
if (name == null)
{
name = prefix + "/" + fileName;
}
string linkTo = string.Empty;
if (mode.HasFlag(LinuxFileMode.S_IFLNK))
{
// Find the link text
int stringEnd = 0;
while (stringEnd < fileHeader.Length - 1 && fileHeader[stringEnd] != 0)
{
stringEnd++;
}
linkTo = Encoding.UTF8.GetString(fileHeader, 0, stringEnd + 1);
hash = new byte[] { };
}
// If the user has chosen to override the file node, respect that
var overridenFileMode = fileMetadata?.GetLinuxFileMode();
if (overridenFileMode != null)
{
// We expect the user to specify the file mode in its octal representation.
try
{
mode = (LinuxFileMode)Convert.ToUInt32(overridenFileMode, 8);
}
catch (Exception)
{
throw new Exception($"Could not parse the file mode '{overridenFileMode}' for file '{name}'. Make sure to set the LinuxFileMode attriubute to an octal representation of a Unix file mode.");
}
}
ArchiveEntry archiveEntry = new ArchiveEntry()
{
FileSize = (uint)fileStream.Length,
Group = fileMetadata.GetGroup(),
Owner = fileMetadata.GetOwner(),
Modified = File.GetLastAccessTimeUtc(entry),
SourceFilename = entry,
TargetPath = name,
Sha256 = hash,
Md5Hash = md5hash,
Type = entryType,
LinkTo = linkTo,
Inode = this.inode++,
IsAscii = isAscii,
Mode = mode
};
value.Add(archiveEntry);
}
}
protected void AddFile(string entry, string relativePath, string prefix, List <ArchiveEntry> value, ITaskItem[] metadata)
{
var fileName = Path.GetFileName(entry);
byte[] fileHeader = null;
byte[] hash = null;
byte[] md5hash = null;
byte[] buffer = new byte[1024];
bool isAscii = true;
var fileMetadata = metadata.SingleOrDefault(m => m.IsPublished() && string.Equals(relativePath, m.GetPublishedPath()));
using (Stream fileStream = File.OpenRead(entry))
{
// Skip hidden and empty files - this would case rpmlint errors.
if (fileName.StartsWith("."))
{
this.Log.LogWarning($"Ignoring file {relativePath} because it starts with the '.' character and is considered a hidden file.");
return;
}
if (fileStream.Length == 0)
{
this.Log.LogWarning($"Ignoring file {relativePath} because it is empty.");
return;
}
using (var hasher = IncrementalHash.CreateHash(HashAlgorithmName.SHA256))
using (var md5hasher = IncrementalHash.CreateHash(HashAlgorithmName.MD5))
{
int read;
while (true)
{
read = fileStream.Read(buffer, 0, buffer.Length);
if (fileHeader == null)
{
fileHeader = new byte[read];
Buffer.BlockCopy(buffer, 0, fileHeader, 0, read);
}
hasher.AppendData(buffer, 0, read);
md5hasher.AppendData(buffer, 0, read);
isAscii = isAscii && buffer.All(c => c < 128);
if (read < buffer.Length)
{
break;
}
}
hash = hasher.GetHashAndReset();
md5hash = md5hasher.GetHashAndReset();
}
// Only support ELF32 and ELF64 colors; otherwise default to BLACK.
ArchiveEntryType entryType = this.GetArchiveEntryType(fileHeader);
var mode = LinuxFileMode.S_IROTH | LinuxFileMode.S_IRGRP | LinuxFileMode.S_IRUSR | LinuxFileMode.S_IFREG;
if (entryType == ArchiveEntryType.Executable32 || entryType == ArchiveEntryType.Executable64)
{
mode |= LinuxFileMode.S_IXOTH | LinuxFileMode.S_IXGRP | LinuxFileMode.S_IWUSR | LinuxFileMode.S_IXUSR;
}
// If a Linux path has been specified, use that one, else, use the default one based on the prefix
// + current file name.
string name = fileMetadata?.GetLinuxPath();
if (name == null)
{
if (!string.IsNullOrEmpty(prefix))
{
name = prefix + "/" + fileName;
}
else
{
name = fileName;
}
}
string linkTo = string.Empty;
if (mode.HasFlag(LinuxFileMode.S_IFLNK))
{
// Find the link text
int stringEnd = 0;
while (stringEnd < fileHeader.Length - 1 && fileHeader[stringEnd] != 0)
{
stringEnd++;
}
linkTo = Encoding.UTF8.GetString(fileHeader, 0, stringEnd + 1);
hash = new byte[] { };
}
mode = this.GetFileMode(name, fileMetadata, mode);
ArchiveEntry archiveEntry = new ArchiveEntry()
{
FileSize = (uint)fileStream.Length,
Group = fileMetadata.GetGroup(),
Owner = fileMetadata.GetOwner(),
Modified = File.GetLastWriteTimeUtc(entry),
SourceFilename = entry,
TargetPath = name,
Sha256 = hash,
Md5Hash = md5hash,
Type = entryType,
LinkTo = linkTo,
Inode = this.inode++,
IsAscii = isAscii,
Mode = mode
};
value.Add(archiveEntry);
}
}