public Task Invoke(IDictionary<string, object> environment)
{
if (!environment.ContainsKey("owin.RequestPath"))
{
throw new ApplicationException("Invalid OWIN request. Expected owin.RequestPath, but not present.");
}
var path = Uri.UnescapeDataString((string)environment["owin.RequestPath"]);
if (statelessAuthOptions != null)
{
foreach (var ignorePath in statelessAuthOptions.IgnorePaths)
{
var mm = new Minimatcher(ignorePath, new Options(){IgnoreCase = true});
if (mm.IsMatch(path))
{
return nextFunc(environment);
}
}
}
var requestHeaders = (IDictionary<string, string[]>)environment["owin.RequestHeaders"];
if (!requestHeaders.ContainsKey("Authorization"))
{
SetResponseStatusCodeAndHeader(environment);
return ReturnCompletedTask();
}
var token = requestHeaders["Authorization"].FirstOrDefault();
if (string.IsNullOrWhiteSpace(token))
{
SetResponseStatusCodeAndHeader(environment);
return ReturnCompletedTask();
}
var validatedUser = tokenValidator.ValidateUser(token);
if (validatedUser == null)
{
SetResponseStatusCodeAndHeader(environment);
return ReturnCompletedTask();
}
if (environment.ContainsKey(ServerUser))
{
environment[ServerUser] = validatedUser;
}
else
{
environment.Add(ServerUser, validatedUser);
}
return nextFunc(environment);
}
///<summary>Filters a list of inputs against a single pattern.</summary>
///<remarks>This function reparses this input on each invocation. For performance, avoid this function and reuse a Minimatcher instance instead.</remarks>
public static IEnumerable <string> Filter(IEnumerable <string> list, string pattern, Options?options = null)
{
var mm = new Minimatcher(pattern, options);
list = list.Where(mm.IsMatch);
if (options != null && options.NoNull)
{
list = list.DefaultIfEmpty(pattern);
}
return(list);
}
///<summary>Creates a filter function that tests input against a pattern.</summary>
public static Func <string, bool> CreateFilter(string pattern, Options?options = null)
{
if (pattern == null)
{
throw new ArgumentNullException("pattern");
}
// "" only matches ""
if (string.IsNullOrWhiteSpace(pattern))
{
return(string.IsNullOrEmpty);
}
var m = new Minimatcher(pattern, options);
return(m.IsMatch);
}
public static bool TestWEIgnore(string sourcePath, string serviceToken, string serviceName)
{
string ignoreFile = GetIgnoreFile(Path.GetDirectoryName(sourcePath), ".weignore");
if (string.IsNullOrEmpty(ignoreFile))
return false;
string searchPattern;
using (StreamReader reader = File.OpenText(ignoreFile))
{
while ((searchPattern = reader.ReadLine()) != null)
{
searchPattern = searchPattern.Trim();
if (string.IsNullOrEmpty(searchPattern) || searchPattern[0] == '!') // Negated pattern
continue;
int index = searchPattern.LastIndexOf('\t');
if (index > 0)
{
string[] subparts = searchPattern.Substring(++index, searchPattern.Length - index).Split(',')
.Select(p => p.Trim().ToLowerInvariant()).ToArray();
if (!(subparts.Contains(serviceToken) || subparts.Contains(serviceName)) &&
(subparts.Contains("!" + serviceToken) || subparts.Contains("!" + serviceName) ||
!subparts.Any(s => s[0] == '!')))
continue;
searchPattern = searchPattern.Substring(0, index).Trim('\t');
}
Minimatcher miniMatcher = new Minimatcher(searchPattern, new Options { AllowWindowsPaths = true });
if (miniMatcher.IsMatch(sourcePath))
return true;
}
}
return false;
}
/// <inheritdoc/>
public override async Task<FtpResponse> Process(FtpCommand command, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(command.Argument))
{
var taskStates = Server.GetBackgroundTaskStates();
var statusMessage = new StringBuilder();
statusMessage.AppendFormat("Server functional, {0} open connections", Server.Statistics.ActiveConnections);
if (taskStates.Count != 0)
statusMessage.AppendFormat(", {0} active background transfers", taskStates.Count);
return new FtpResponse(211, statusMessage.ToString());
}
var mask = command.Argument;
if (!mask.EndsWith("*"))
mask += "*";
var mmOptions = new Options()
{
IgnoreCase = Data.FileSystem.FileSystemEntryComparer.Equals("a", "A"),
NoGlobStar = true,
Dot = true,
};
var mm = new Minimatcher(mask, mmOptions);
var formatter = new LongListFormatter();
await Connection.WriteAsync($"211-STAT {command.Argument}", cancellationToken);
foreach (var entry in (await Data.FileSystem.GetEntriesAsync(Data.CurrentDirectory, cancellationToken)).Where(x => mm.IsMatch(x.Name)))
{
var line = formatter.Format(entry);
Connection.Log?.Debug(line);
await Connection.WriteAsync($" {line}", cancellationToken);
}
return new FtpResponse(211, "STAT");
}
public string GetSchemaFor(string fileLocation)
{
foreach (string url in _schemas.Keys)
{
try
{
if (_schemas[url] == null)
continue;
foreach (string file in _schemas[url])
{
var pattern = "**/" + file.TrimStart('*', '/');
var matche = new Minimatcher(pattern, _options);
if (matche.IsMatch(fileLocation))
return url;
}
}
catch
{
Logger.Log("JSON Schema: Couldn't parse " + _schemas[url] + " as a valid regex.");
}
}
return null;
}
/// <inheritdoc/>
public override async Task<FtpResponse> Process(FtpCommand command, CancellationToken cancellationToken)
{
await Connection.WriteAsync(new FtpResponse(150, "Opening data connection."), cancellationToken);
ITcpSocketClient responseSocket;
try
{
responseSocket = await Connection.CreateResponseSocket();
}
catch (Exception)
{
return new FtpResponse(425, "Can't open data connection.");
}
try
{
// Parse arguments in a way that's compatible with broken FTP clients
var argument = new ListArguments(command.Argument);
var showHidden = argument.All;
// Instantiate the formatter
IListFormatter formatter;
if (string.Equals(command.Name, "NLST", StringComparison.OrdinalIgnoreCase))
{
formatter = new ShortListFormatter();
}
else if (string.Equals(command.Name, "LS", StringComparison.OrdinalIgnoreCase))
{
formatter = new LongListFormatter();
}
else
{
formatter = new LongListFormatter();
}
// Parse the given path to determine the mask (e.g. when information about a file was requested)
var directoriesToProcess = new Queue<DirectoryQueueItem>();
// Use braces to avoid the definition of mask and path in the following parts
// of this function.
{
var mask = "*";
var path = Data.Path.Clone();
if (!string.IsNullOrEmpty(argument.Path))
{
var foundEntry = await Data.FileSystem.SearchEntryAsync(path, argument.Path, cancellationToken);
if (foundEntry?.Directory == null)
return new FtpResponse(550, "File system entry not found.");
var dirEntry = foundEntry.Entry as IUnixDirectoryEntry;
if (dirEntry == null)
{
mask = foundEntry.FileName;
}
else if (!dirEntry.IsRoot)
{
path.Push(dirEntry);
}
}
directoriesToProcess.Enqueue(new DirectoryQueueItem(path, mask));
}
var encoding = Data.NlstEncoding ?? Connection.Encoding;
using (var stream = await Connection.CreateEncryptedStream(responseSocket.WriteStream))
{
using (var writer = new StreamWriter(stream, encoding, 4096, true)
{
NewLine = "\r\n",
})
{
while (directoriesToProcess.Count != 0)
{
var queueItem = directoriesToProcess.Dequeue();
var currentPath = queueItem.Path;
var mask = queueItem.Mask;
var currentDirEntry = currentPath.Count != 0 ? currentPath.Peek() : Data.FileSystem.Root;
if (argument.Recursive)
{
var line = currentPath.ToDisplayString() + ":";
Connection.Log?.Debug(line);
await writer.WriteLineAsync(line);
}
var mmOptions = new Options()
{
IgnoreCase = Data.FileSystem.FileSystemEntryComparer.Equals("a", "A"),
NoGlobStar = true,
Dot = true,
};
var mm = new Minimatcher(mask, mmOptions);
var entries = await Data.FileSystem.GetEntriesAsync(currentDirEntry, cancellationToken);
var enumerator = new DirectoryListingEnumerator(entries, Data.FileSystem, currentPath, true);
while (enumerator.MoveNext())
{
var name = enumerator.Name;
if (!enumerator.IsDotEntry)
{
if (!mm.IsMatch(name))
continue;
if (name.StartsWith(".") && !showHidden)
continue;
}
var entry = enumerator.Entry;
if (argument.Recursive && !enumerator.IsDotEntry)
{
var dirEntry = entry as IUnixDirectoryEntry;
if (dirEntry != null)
{
var subDirPath = currentPath.Clone();
subDirPath.Push(dirEntry);
directoriesToProcess.Enqueue(new DirectoryQueueItem(subDirPath, "*"));
}
}
var line = formatter.Format(entry, name);
Connection.Log?.Debug(line);
await writer.WriteLineAsync(line);
}
}
}
}
}
finally
{
responseSocket.Dispose();
}
// Use 250 when the connection stays open.
return new FtpResponse(250, "Closing data connection.");
}
/// <inheritdoc/>
public override async Task<FtpResponse> Process(FtpCommand command, CancellationToken cancellationToken)
{
await Connection.WriteAsync(new FtpResponse(150, "Opening data connection."), cancellationToken);
ITcpSocketClient responseSocket;
try
{
responseSocket = await Connection.CreateResponseSocket();
}
catch (Exception)
{
return new FtpResponse(425, "Can't open data connection.");
}
try
{
var argument = command.Argument;
IListFormatter formatter;
if (string.Equals(command.Name, "NLST", StringComparison.OrdinalIgnoreCase))
{
formatter = new ShortListFormatter();
}
else
{
formatter = new LongListFormatter();
}
var mask = (string.IsNullOrEmpty(argument) || argument.StartsWith("-")) ? "*" : argument;
var encoding = Data.NlstEncoding ?? Connection.Encoding;
using (var stream = await Connection.CreateEncryptedStream(responseSocket.WriteStream))
{
using (var writer = new StreamWriter(stream, encoding, 4096, true)
{
NewLine = "\r\n",
})
{
foreach (var line in formatter.GetPrefix(Data.CurrentDirectory))
{
Connection.Log?.Debug(line);
await writer.WriteLineAsync(line);
}
var mmOptions = new Options()
{
IgnoreCase = Data.FileSystem.FileSystemEntryComparer.Equals("a", "A"),
NoGlobStar = true,
Dot = true,
};
var mm = new Minimatcher(mask, mmOptions);
foreach (var entry in (await Data.FileSystem.GetEntriesAsync(Data.CurrentDirectory, cancellationToken)).Where(x => mm.IsMatch(x.Name)))
{
var line = formatter.Format(entry);
Connection.Log?.Debug(line);
await writer.WriteLineAsync(line);
}
foreach (var line in formatter.GetSuffix(Data.CurrentDirectory))
{
Connection.Log?.Debug(line);
await writer.WriteLineAsync(line);
}
}
}
}
finally
{
responseSocket.Dispose();
}
// Use 250 when the connection stays open.
return new FtpResponse(250, "Closing data connection.");
}
///<summary>Filters a list of inputs against a single pattern.</summary>
///<remarks>This function reparses this input on each invocation. For performance, avoid this function and reuse a Minimatcher instance instead.</remarks>
public static IEnumerable<string> Filter(IEnumerable<string> list, string pattern, Options options = null)
{
var mm = new Minimatcher(pattern, options);
list = list.Where(mm.IsMatch);
if (options != null && options.NoNull)
list = list.DefaultIfEmpty(pattern);
return list;
}
///<summary>Creates a filter function that tests input against a pattern.</summary>
public static Func<string, bool> CreateFilter(string pattern, Options options = null)
{
if (pattern == null) throw new ArgumentNullException("pattern");
// "" only matches ""
if (String.IsNullOrWhiteSpace(pattern)) return String.IsNullOrEmpty;
var m = new Minimatcher(pattern, options);
return m.IsMatch;
}
public void Pattern(string pattern)
{
bool not = pattern.StartsWith("!", StringComparison.Ordinal);
if (not)
{
pattern = pattern.Substring(1);
}
pattern = _absolutePattern(_cwd, pattern);
var f = pattern.IndexOfAny(new char[] { '*', '?', '[', '(', '{', '+' });
if (f < 0)
{
if (!not)
{
if (File.Exists(pattern.Replace('/', '\\')))
{
var key = pattern.ToLowerInvariant();
if (!_files.ContainsKey(key))
{
_files.Add(key, pattern);
}
}
}
else
{
var key = pattern.ToLowerInvariant();
if (_files.ContainsKey(key))
{
_files.Remove(key);
}
}
}
else
{
f = pattern.LastIndexOf('/', f);
if (f < 0)
{
throw new FormatException("Can't deterim root.");
}
var root = pattern.Substring(0, f);
var matcher = new Minimatch.Minimatcher(pattern.Substring(f + 1));
if (!not)
{
foreach (var filename in Directory.EnumerateFiles(root.Replace('/', '\\'), "*", SearchOption.AllDirectories))
{
var key = filename.Replace('\\', '/').ToLowerInvariant();
if (!_files.ContainsKey(key) && matcher.IsMatch(key.Substring(f + 1)))
{
_files.Add(key, filename);
}
}
}
else
{
root = (root + '/').ToLowerInvariant();
var toremove = new List <string>();
foreach (var key in _files.Keys)
{
if (key.StartsWith(root, StringComparison.Ordinal))
{
if (matcher.IsMatch(key.Substring(f + 1)))
{
toremove.Add(key);
}
}
}
foreach (var key in toremove)
{
_files.Remove(key);
}
}
}
// var glob = Glob.Parse();
}
