/// <summary>
/// Provides a common way for opening a file stream for exclusively deleting the file.
/// </summary>
private static Stream GetFileDeleteStream(FileInfoBase file)
{
Contract.Assert(file != null);
// Open file exclusively for delete sharing only
return(file.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete));
}
public static void Extract(this ZipArchive archive, string directoryName)
{
foreach (ZipArchiveEntry entry in archive.Entries)
{
string path = Path.Combine(directoryName, entry.FullName);
if (entry.Length == 0 && (path.EndsWith("/", StringComparison.Ordinal) || path.EndsWith("\\", StringComparison.Ordinal)))
{
// Extract directory
FileSystemHelpers.CreateDirectory(path);
}
else
{
FileInfoBase fileInfo = FileSystemHelpers.FileInfoFromFileName(path);
if (!fileInfo.Directory.Exists)
{
fileInfo.Directory.Create();
}
using (Stream zipStream = entry.Open(),
fileStream = fileInfo.Open(FileMode.Create, FileAccess.Write))
{
zipStream.CopyTo(fileStream);
}
fileInfo.LastWriteTimeUtc = entry.LastWriteTime.ToUniversalTime().DateTime;
}
}
}
public static void Extract(this ZipArchive archive, string directoryName, ITracer tracer, bool doNotPreserveFileTime = false)
{
const int MaxExtractTraces = 5;
var entries = archive.Entries;
var total = entries.Count;
var traces = 0;
using (tracer.Step(string.Format("Extracting {0} entries to {1} directory", entries.Count, directoryName)))
{
foreach (ZipArchiveEntry entry in entries)
{
string path = Path.Combine(directoryName, entry.FullName);
if (entry.Length == 0 && (path.EndsWith("/", StringComparison.Ordinal) || path.EndsWith("\\", StringComparison.Ordinal)))
{
// Extract directory
FileSystemHelpers.CreateDirectory(path);
}
else
{
FileInfoBase fileInfo = FileSystemHelpers.FileInfoFromFileName(path);
string message = null;
// tracing first/last N files
if (traces < MaxExtractTraces || traces >= total - MaxExtractTraces)
{
message = string.Format("Extracting to {0} ...", fileInfo.FullName);
}
else if (traces == MaxExtractTraces)
{
message = "Omitting extracting file traces ...";
}
++traces;
using (!string.IsNullOrEmpty(message) ? tracer.Step(message) : null)
{
if (!fileInfo.Directory.Exists)
{
fileInfo.Directory.Create();
}
using (Stream zipStream = entry.Open(),
fileStream = fileInfo.Open(FileMode.Create, FileAccess.Write))
{
zipStream.CopyTo(fileStream);
}
// this is to allow, the file time to always be newer than destination
// the outcome is always replacing the destination files.
// it is non-optimized but workaround NPM reset file time issue (https://github.com/projectkudu/kudu/issues/2917).
if (!doNotPreserveFileTime)
{
fileInfo.LastWriteTimeUtc = entry.LastWriteTime.ToUniversalTime().DateTime;
}
}
}
}
}
}
/// <summary>
/// Provides a common way for opening a file stream for exclusively deleting the file.
/// </summary>
private static Stream GetFileDeleteStream(FileInfoBase file)
{
ArgumentNullException.ThrowIfNull(file);
// Open file exclusively for delete sharing only
return(file.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete));
}
/// <summary>
/// Provides a common way for opening a file stream for exclusively deleting the file.
/// </summary>
private static Stream GetFileDeleteStream(FileInfoBase file)
{
if (file == null)
{
throw new ArgumentNullException(nameof(file));
}
// Open file exclusively for delete sharing only
return(file.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete));
}
private IEnumerable <Row> ExtractDataSet(int tabIndex)
{
using (var excelReader = ExcelReaderFactory.CreateOpenXmlReader(_fileInfo.Open(FileMode.Open, FileAccess.Read)))
{
excelReader.IsFirstRowAsColumnNames = true;
using (var table = excelReader.AsDataSet().Tables[tabIndex])
{
return(GetRows(table));
}
}
}
public static void Save <T>(T obj, FileInfoBase file)
{
if (!file.Directory.Exists)
{
file.Directory.Create();
}
using (var stream = file.Open(FileMode.Create))
{
var binaryFormatter = new BinaryFormatter();
binaryFormatter.Serialize(stream, obj);
}
}
/// <summary>
/// Extracts source directories from the csproj file.
/// The expected directory info list is the csproj's directory and all project references.
/// </summary>
/// <param name="csprojFile"></param>
/// <returns></returns>
private DirectoryInfoBase[] ExtractSourceDirectories(FileInfoBase csprojFile)
{
// Data validation
Ensure.That(() => csprojFile).IsNotNull();
Ensure.That(csprojFile.Exists, string.Format("Could not find '{0}' file", csprojFile)).IsTrue();
// Initialize the extracted directories
List <DirectoryInfoBase> extractedSourceDirectories = new List <DirectoryInfoBase>();
// Add the csproj's directory
DirectoryInfoBase projectDirectory = this.fileSystem.DirectoryInfo.FromDirectoryName(this.fileSystem.Path.GetDirectoryName(csprojFile.FullName));
extractedSourceDirectories.Add(projectDirectory);
// Load xml document
XmlDocument xmlDocument = new XmlDocument();
using (Stream stream = csprojFile.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
xmlDocument.Load(stream);
}
// Extract
XmlNamespaceManager xmlNamespaceManager = new XmlNamespaceManager(xmlDocument.NameTable);
xmlNamespaceManager.AddNamespace("msbuild", "http://schemas.microsoft.com/developer/msbuild/2003");
XmlNodeList xmlNodes = xmlDocument.SelectNodes("//msbuild:ProjectReference", xmlNamespaceManager);
for (int i = 0; i < xmlNodes.Count; ++i)
{
XmlNode xmlNode = xmlNodes.Item(i);
string includeValue = xmlNode.Attributes["Include"].Value;
string combinedPath = this.fileSystem.Path.Combine(projectDirectory.FullName, includeValue);
// The combinedPath can contains both forward and backslash path chunk.
// In linux environment we can end up having "/..\" in the path which make the GetDirectoryName method bugging (returns empty).
// For this reason we need to make sure that the combined path uses forward slashes
combinedPath = combinedPath.Replace(@"\", "/");
// Add the combined path
extractedSourceDirectories.Add(this.fileSystem.DirectoryInfo.FromDirectoryName(this.fileSystem.Path.GetDirectoryName(this.fileSystem.Path.GetFullPath(combinedPath))));
}
// Return the extracted directories
return(extractedSourceDirectories.ToArray());
}
public Stream OpenWrite()
{
return(_file.Open(FileMode.Create, FileAccess.Write));
}
public static IDictionary <string, string> Extract(this ZipArchive archive, string directoryName, bool preserveSymlinks = false)
{
IDictionary <string, string> symLinks = new Dictionary <string, string>();
bool isSymLink = false;
foreach (ZipArchiveEntry entry in archive.Entries)
{
string path = Path.Combine(directoryName, entry.FullName);
if (entry.Length == 0 && (path.EndsWith("/", StringComparison.Ordinal) || path.EndsWith("\\", StringComparison.Ordinal)))
{
// Extract directory
FileSystemHelpers.CreateDirectory(path);
}
else
{
FileInfoBase fileInfo = FileSystemHelpers.FileInfoFromFileName(path);
if (!fileInfo.Directory.Exists)
{
fileInfo.Directory.Create();
}
using (Stream zipStream = entry.Open(),
fileStream = fileInfo.Open(FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
{
zipStream.CopyTo(fileStream);
}
isSymLink = false;
string originalFileName = string.Empty;
if (!OSDetector.IsOnWindows())
{
try
{
using (Stream fs = fileInfo.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
byte[] buffer = new byte[4];
fs.Read(buffer, 0, buffer.Length);
fs.Close();
var str = System.Text.Encoding.Default.GetString(buffer);
if (preserveSymlinks && str.StartsWith("../"))
{
using (StreamReader reader = fileInfo.OpenText())
{
symLinks[entry.FullName] = reader.ReadToEnd();
}
isSymLink = true;
}
}
}
catch (Exception ex)
{
throw new Exception("Could not identify symlinks in zip file : " + ex.ToString());
}
}
try
{
fileInfo.LastWriteTimeUtc = entry.LastWriteTime.ToUniversalTime().DateTime;
}
catch (Exception)
{
//best effort
}
if (isSymLink)
{
fileInfo.Delete();
}
}
}
return(symLinks);
}
public static void Extract(this ZipArchive archive, string directoryName)
{
foreach (ZipArchiveEntry entry in archive.Entries)
{
string path = Path.Combine(directoryName, entry.FullName);
if (entry.Length == 0 && (path.EndsWith("/", StringComparison.Ordinal) || path.EndsWith("\\", StringComparison.Ordinal)))
{
// Extract directory
FileSystemHelpers.CreateDirectory(path);
}
else
{
FileInfoBase fileInfo = FileSystemHelpers.FileInfoFromFileName(path);
if (!fileInfo.Directory.Exists)
{
fileInfo.Directory.Create();
}
using (Stream zipStream = entry.Open(),
fileStream = fileInfo.Open(FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
{
zipStream.CopyTo(fileStream);
}
bool createSymLink = false;
string originalFileName = string.Empty;
if (!OSDetector.IsOnWindows())
{
try
{
using (Stream fs = fileInfo.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
byte[] buffer = new byte[10];
fs.Read(buffer, 0, buffer.Length);
fs.Close();
var str = System.Text.Encoding.Default.GetString(buffer);
if (str.StartsWith("../"))
{
string fullPath = Path.GetFullPath(str);
if (fullPath.StartsWith(directoryName))
{
createSymLink = true;
originalFileName = fullPath;
}
}
}
}
catch (Exception ex)
{
throw new Exception("Could not identify symlinks in zip file : " + ex.ToString());
}
}
fileInfo.LastWriteTimeUtc = entry.LastWriteTime.ToUniversalTime().DateTime;
if (createSymLink)
{
try
{
fileInfo.Delete();
Mono.Unix.UnixFileInfo unixFileInfo = new Mono.Unix.UnixFileInfo(originalFileName);
unixFileInfo.CreateSymbolicLink(path);
}
catch (Exception ex)
{
throw new Exception("Could not create symlinks : " + ex.ToString());
}
}
}
}
}
