jellyfin/Emby.Common.Implementations/IO/SharpCifs/Config.cs
2017-04-01 20:36:06 -04:00

410 lines
14 KiB
C#

// This code is derived from jcifs smb client library <jcifs at samba dot org>
// Ported by J. Arturo <webmaster at komodosoft dot net>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using System.IO;
using System.Net;
using System.Security;
using SharpCifs.Util;
using SharpCifs.Util.Sharpen;
namespace SharpCifs
{
/// <summary>
/// This class uses a static
/// <see cref="Properties">Sharpen.Properties</see>
/// to act
/// as a cental repository for all jCIFS configuration properties. It cannot be
/// instantiated. Similar to <code>System</code> properties the namespace
/// is global therefore property names should be unique. Before use,
/// the <code>load</code> method should be called with the name of a
/// <code>Properties</code> file (or <code>null</code> indicating no
/// file) to initialize the <code>Config</code>. The <code>System</code>
/// properties will then populate the <code>Config</code> as well potentially
/// overwriting properties from the file. Thus properties provided on the
/// commandline with the <code>-Dproperty.name=value</code> VM parameter
/// will override properties from the configuration file.
///
/// There are several ways to set jCIFS properties. See
/// the <a href="../overview-summary.html#scp">overview page of the API
/// documentation</a> for details.
/// </summary>
public class Config
{
/// <summary>The static <code>Properties</code>.</summary>
/// <remarks>The static <code>Properties</code>.</remarks>
private static Properties _prp = new Properties();
private static LogStream _log;
public static string DefaultOemEncoding = "UTF-8"; //"Cp850";
static Config()
{
int level;
FileInputStream fis = null;
_log = LogStream.GetInstance();
try
{
string filename = Runtime.GetProperty("jcifs.properties");
if (filename != null && filename.Length > 1)
{
fis = new FileInputStream(filename);
}
Load(fis);
if (fis != null)
{
fis.Close();
}
}
catch (IOException ioe)
{
if (_log.Level > 0)
{
Runtime.PrintStackTrace(ioe, _log);
}
}
if ((level = GetInt("jcifs.util.loglevel", -1)) != -1)
{
_log.SetLevel(level);
}
try
{
Runtime.GetBytesForString(string.Empty, DefaultOemEncoding);
}
catch (Exception ex)
{
if (_log.Level >= 2)
{
_log.WriteLine("WARNING: The default OEM encoding " + DefaultOemEncoding + " does not appear to be supported by this JRE. The default encoding will be US-ASCII."
);
}
//DEFAULT_OEM_ENCODING = "US-ASCII";
}
if (_log.Level >= 4)
{
try
{
_prp.Store(_log);
}
catch (IOException)
{
}
}
}
/// <summary>
/// This static method registers the SMB URL protocol handler which is
/// required to use SMB URLs with the <tt>java.net.URL</tt> class.
/// </summary>
/// <remarks>
/// This static method registers the SMB URL protocol handler which is
/// required to use SMB URLs with the <tt>java.net.URL</tt> class. If this
/// method is not called before attempting to create an SMB URL with the
/// URL class the following exception will occur:
/// <blockquote><pre>
/// Exception MalformedURLException: unknown protocol: smb
/// at java.net.URL.<init>(URL.java:480)
/// at java.net.URL.<init>(URL.java:376)
/// at java.net.URL.<init>(URL.java:330)
/// at jcifs.smb.SmbFile.<init>(SmbFile.java:355)
/// ...
/// </pre><blockquote>
/// </remarks>
public static void RegisterSmbURLHandler()
{
throw new NotImplementedException();
}
// supress javadoc constructor summary by removing 'protected'
/// <summary>Set the default properties of the static Properties used by <tt>Config</tt>.
/// </summary>
/// <remarks>
/// Set the default properties of the static Properties used by <tt>Config</tt>. This permits
/// a different Properties object/file to be used as the source of properties for
/// use by the jCIFS library. The Properties must be set <i>before jCIFS
/// classes are accessed</i> as most jCIFS classes load properties statically once.
/// Using this method will also override properties loaded
/// using the <tt>-Djcifs.properties=</tt> commandline parameter.
/// </remarks>
public static void SetProperties(Properties prp)
{
Config._prp = new Properties(prp);
try
{
Config._prp.PutAll(Runtime.GetProperties());
}
catch (SecurityException)
{
if (_log.Level > 1)
{
_log.WriteLine("SecurityException: jcifs will ignore System properties");
}
}
}
/// <summary>
/// Load the <code>Config</code> with properties from the stream
/// <code>in</code> from a <code>Properties</code> file.
/// </summary>
/// <remarks>
/// Load the <code>Config</code> with properties from the stream
/// <code>in</code> from a <code>Properties</code> file.
/// </remarks>
/// <exception cref="System.IO.IOException"></exception>
public static void Load(InputStream input)
{
if (input != null)
{
_prp.Load(input);
}
try
{
_prp.PutAll(Runtime.GetProperties());
}
catch (SecurityException)
{
if (_log.Level > 1)
{
_log.WriteLine("SecurityException: jcifs will ignore System properties");
}
}
}
/// <exception cref="System.IO.IOException"></exception>
public static void Store(OutputStream output, string header)
{
_prp.Store(output);
}
/// <summary>Add a property.</summary>
/// <remarks>Add a property.</remarks>
public static void SetProperty(string key, string value)
{
_prp.SetProperty(key, value);
}
/// <summary>Retrieve a property as an <code>Object</code>.</summary>
/// <remarks>Retrieve a property as an <code>Object</code>.</remarks>
public static object Get(string key)
{
return _prp.GetProperty(key);
}
/// <summary>Retrieve a <code>String</code>.</summary>
/// <remarks>
/// Retrieve a <code>String</code>. If the key cannot be found,
/// the provided <code>def</code> default parameter will be returned.
/// </remarks>
public static string GetProperty(string key, string def)
{
return (string)_prp.GetProperty(key, def);
}
/// <summary>Retrieve a <code>String</code>.</summary>
/// <remarks>Retrieve a <code>String</code>. If the property is not found, <code>null</code> is returned.
/// </remarks>
public static string GetProperty(string key)
{
return (string)_prp.GetProperty(key);
}
/// <summary>Retrieve an <code>int</code>.</summary>
/// <remarks>
/// Retrieve an <code>int</code>. If the key does not exist or
/// cannot be converted to an <code>int</code>, the provided default
/// argument will be returned.
/// </remarks>
public static int GetInt(string key, int def)
{
string s = (string)_prp.GetProperty(key);
if (s != null)
{
try
{
def = Convert.ToInt32(s);
}
catch (FormatException nfe)
{
if (_log.Level > 0)
{
Runtime.PrintStackTrace(nfe, _log);
}
}
}
return def;
}
/// <summary>Retrieve an <code>int</code>.</summary>
/// <remarks>Retrieve an <code>int</code>. If the property is not found, <code>-1</code> is returned.
/// </remarks>
public static int GetInt(string key)
{
string s = (string)_prp.GetProperty(key);
int result = -1;
if (s != null)
{
try
{
result = Convert.ToInt32(s);
}
catch (FormatException nfe)
{
if (_log.Level > 0)
{
Runtime.PrintStackTrace(nfe, _log);
}
}
}
return result;
}
/// <summary>Retrieve a <code>long</code>.</summary>
/// <remarks>
/// Retrieve a <code>long</code>. If the key does not exist or
/// cannot be converted to a <code>long</code>, the provided default
/// argument will be returned.
/// </remarks>
public static long GetLong(string key, long def)
{
string s = (string)_prp.GetProperty(key);
if (s != null)
{
try
{
def = long.Parse(s);
}
catch (FormatException nfe)
{
if (_log.Level > 0)
{
Runtime.PrintStackTrace(nfe, _log);
}
}
}
return def;
}
/// <summary>Retrieve an <code>InetAddress</code>.</summary>
/// <remarks>
/// Retrieve an <code>InetAddress</code>. If the address is not
/// an IP address and cannot be resolved <code>null</code> will
/// be returned.
/// </remarks>
public static IPAddress GetInetAddress(string key, IPAddress def)
{
string addr = (string)_prp.GetProperty(key);
if (addr != null)
{
try
{
def = Extensions.GetAddressByName(addr);
}
catch (UnknownHostException uhe)
{
if (_log.Level > 0)
{
_log.WriteLine(addr);
Runtime.PrintStackTrace(uhe, _log);
}
}
}
return def;
}
public static IPAddress GetLocalHost()
{
string addr = (string)_prp.GetProperty("jcifs.smb.client.laddr");
if (addr != null)
{
try
{
return Extensions.GetAddressByName(addr);
}
catch (UnknownHostException uhe)
{
if (_log.Level > 0)
{
_log.WriteLine("Ignoring jcifs.smb.client.laddr address: " + addr);
Runtime.PrintStackTrace(uhe, _log);
}
}
}
return null;
}
/// <summary>Retrieve a boolean value.</summary>
/// <remarks>Retrieve a boolean value. If the property is not found, the value of <code>def</code> is returned.
/// </remarks>
public static bool GetBoolean(string key, bool def)
{
string b = GetProperty(key);
if (b != null)
{
def = b.ToLower().Equals("true");
}
return def;
}
/// <summary>
/// Retrieve an array of <tt>InetAddress</tt> created from a property
/// value containting a <tt>delim</tt> separated list of hostnames and/or
/// ipaddresses.
/// </summary>
/// <remarks>
/// Retrieve an array of <tt>InetAddress</tt> created from a property
/// value containting a <tt>delim</tt> separated list of hostnames and/or
/// ipaddresses.
/// </remarks>
public static IPAddress[] GetInetAddressArray(string key, string delim, IPAddress
[] def)
{
string p = GetProperty(key);
if (p != null)
{
StringTokenizer tok = new StringTokenizer(p, delim);
int len = tok.CountTokens();
IPAddress[] arr = new IPAddress[len];
for (int i = 0; i < len; i++)
{
string addr = tok.NextToken();
try
{
arr[i] = Extensions.GetAddressByName(addr);
}
catch (UnknownHostException uhe)
{
if (_log.Level > 0)
{
_log.WriteLine(addr);
Runtime.PrintStackTrace(uhe, _log);
}
return def;
}
}
return arr;
}
return def;
}
}
}