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Code Issues Releases Activity

Reverted in-memory signalr keypair in favor of a .config directory.

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This commit is contained in:
Taloth Saldono 2019-03-09 22:33:34 +01:00
parent feebb349d5
commit 5062d74041
5 changed files with 25 additions and 322 deletions
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24
src/NzbDrone.Common/EnvironmentInfo/AppFolderFactory.cs
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@ -58,6 +58,8 @@ public void Register()
{ {
throw new SonarrStartupException("AppFolder {0} is not writable", _appFolderInfo.AppDataFolder); throw new SonarrStartupException("AppFolder {0} is not writable", _appFolderInfo.AppDataFolder);
} }
InitializeMonoApplicationData();
} }
private void SetPermissions() private void SetPermissions()
@ -125,6 +127,28 @@ private void MigrateAppDataFolder()
} }
} }
private void InitializeMonoApplicationData()
{
if (OsInfo.IsWindows) return;
var configHome = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
if (configHome.EndsWith("/.config") &&! _diskProvider.FolderExists(configHome.GetParentPath()) ||
!_diskProvider.FolderExists(configHome))
{
// Tell mono to use appData/.config as ApplicationData folder.
Environment.SetEnvironmentVariable("XDG_CONFIG_HOME", Path.Combine(_appFolderInfo.AppDataFolder, ".config"));
}
var dataHome = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
if (dataHome.EndsWith("/.local/share") && !_diskProvider.FolderExists(configHome.GetParentPath().GetParentPath()) ||
!_diskProvider.FolderExists(dataHome))
{
// Tell mono to use appData/.config/share as LocalApplicationData folder.
Environment.SetEnvironmentVariable("XDG_DATA_HOME", Path.Combine(_appFolderInfo.AppDataFolder, ".config/share"));
}
}
private void CleanupSqLiteRollbackFiles() private void CleanupSqLiteRollbackFiles()
{ {
_diskProvider.GetFiles(_appFolderInfo.AppDataFolder, SearchOption.TopDirectoryOnly) _diskProvider.GetFiles(_appFolderInfo.AppDataFolder, SearchOption.TopDirectoryOnly)

2
src/NzbDrone.Host/Owin/MiddleWare/SignalRMiddleWare.cs
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@ -1,6 +1,7 @@
using System; using System;
using Microsoft.AspNet.SignalR; using Microsoft.AspNet.SignalR;
using NzbDrone.Common.Composition; using NzbDrone.Common.Composition;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.SignalR; using NzbDrone.SignalR;
using Owin; using Owin;
@ -14,7 +15,6 @@ public SignalRMiddleWare(IContainer container)
{ {
SignalRDependencyResolver.Register(container); SignalRDependencyResolver.Register(container);
SignalRJsonSerializer.Register(); SignalRJsonSerializer.Register();
SignalRProtectedData.Register();
// Half the default time (110s) to get under nginx's default 60 proxy_read_timeout // Half the default time (110s) to get under nginx's default 60 proxy_read_timeout
GlobalHost.Configuration.ConnectionTimeout = TimeSpan.FromSeconds(55); GlobalHost.Configuration.ConnectionTimeout = TimeSpan.FromSeconds(55);

274
src/NzbDrone.SignalR/NonPersistentManagedProtection.cs
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@ -1,274 +0,0 @@
using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Cryptography;
using System.Security.Permissions;
namespace NzbDrone.SignalR
{
// Copied from https://github.com/mono/mono/blob/c5b88ec4f323f2bdb7c7d0a595ece28dae66579c/mcs/class/System.Security/Mono.Security.Cryptography/ManagedProtection.cs
// And modified to use an non-persistent encryption key
//
// ManagedProtection.cs -
// Protect (encrypt) data without (user involved) key management
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
internal static class NonPersistentManagedProtection
{
public static byte[] Protect(byte[] userData, byte[] optionalEntropy)
{
if (userData == null)
throw new ArgumentNullException("userData");
Rijndael aes = Rijndael.Create();
aes.KeySize = 128;
byte[] encdata = null;
using (MemoryStream ms = new MemoryStream())
{
ICryptoTransform t = aes.CreateEncryptor();
using (CryptoStream cs = new CryptoStream(ms, t, CryptoStreamMode.Write))
{
cs.Write(userData, 0, userData.Length);
cs.Close();
encdata = ms.ToArray();
}
}
byte[] key = null;
byte[] iv = null;
byte[] secret = null;
byte[] header = null;
SHA256 hash = SHA256.Create();
try
{
key = aes.Key;
iv = aes.IV;
secret = new byte[1 + 1 + 16 + 1 + 16 + 1 + 32];
byte[] digest = hash.ComputeHash(userData);
if ((optionalEntropy != null) && (optionalEntropy.Length > 0))
{
// the same optionalEntropy will be required to get the data back
byte[] mask = hash.ComputeHash(optionalEntropy);
for (int i = 0; i < 16; i++)
{
key[i] ^= mask[i];
iv[i] ^= mask[i + 16];
}
secret[0] = 2; // entropy
}
else
{
secret[0] = 1; // without entropy
}
secret[1] = 16; // key size
Buffer.BlockCopy(key, 0, secret, 2, 16);
secret[18] = 16; // iv size
Buffer.BlockCopy(iv, 0, secret, 19, 16);
secret[35] = 32; // digest size
Buffer.BlockCopy(digest, 0, secret, 36, 32);
RSAOAEPKeyExchangeFormatter formatter = new RSAOAEPKeyExchangeFormatter(GetKey());
header = formatter.CreateKeyExchange(secret);
}
finally
{
if (key != null)
{
Array.Clear(key, 0, key.Length);
key = null;
}
if (secret != null)
{
Array.Clear(secret, 0, secret.Length);
secret = null;
}
if (iv != null)
{
Array.Clear(iv, 0, iv.Length);
iv = null;
}
aes.Clear();
hash.Clear();
}
byte[] result = new byte[header.Length + encdata.Length];
Buffer.BlockCopy(header, 0, result, 0, header.Length);
Buffer.BlockCopy(encdata, 0, result, header.Length, encdata.Length);
return result;
}
public static byte[] Unprotect(byte[] encryptedData, byte[] optionalEntropy)
{
if (encryptedData == null)
throw new ArgumentNullException("encryptedData");
byte[] decdata = null;
Rijndael aes = Rijndael.Create();
RSA rsa = GetKey();
int headerSize = (rsa.KeySize >> 3);
bool valid1 = (encryptedData.Length >= headerSize);
if (!valid1)
headerSize = encryptedData.Length;
byte[] header = new byte[headerSize];
Buffer.BlockCopy(encryptedData, 0, header, 0, headerSize);
byte[] secret = null;
byte[] key = null;
byte[] iv = null;
bool valid2 = false;
bool valid3 = false;
bool valid4 = false;
SHA256 hash = SHA256.Create();
try
{
try
{
RSAOAEPKeyExchangeDeformatter deformatter = new RSAOAEPKeyExchangeDeformatter(rsa);
secret = deformatter.DecryptKeyExchange(header);
valid2 = (secret.Length == 68);
}
catch
{
valid2 = false;
}
if (!valid2)
secret = new byte[68];
// known values for structure (version 1 or 2)
valid3 = ((secret[1] == 16) && (secret[18] == 16) && (secret[35] == 32));
key = new byte[16];
Buffer.BlockCopy(secret, 2, key, 0, 16);
iv = new byte[16];
Buffer.BlockCopy(secret, 19, iv, 0, 16);
if ((optionalEntropy != null) && (optionalEntropy.Length > 0))
{
// the decrypted data won't be valid if the entropy isn't
// the same as the one used to protect (encrypt) it
byte[] mask = hash.ComputeHash(optionalEntropy);
for (int i = 0; i < 16; i++)
{
key[i] ^= mask[i];
iv[i] ^= mask[i + 16];
}
valid3 &= (secret[0] == 2); // with entropy
}
else
{
valid3 &= (secret[0] == 1); // without entropy
}
using (MemoryStream ms = new MemoryStream())
{
ICryptoTransform t = aes.CreateDecryptor(key, iv);
using (CryptoStream cs = new CryptoStream(ms, t, CryptoStreamMode.Write))
{
try
{
cs.Write(encryptedData, headerSize, encryptedData.Length - headerSize);
cs.Close();
}
catch
{
// whatever, we keep going
}
}
decdata = ms.ToArray();
}
byte[] digest = hash.ComputeHash(decdata);
valid4 = true;
for (int i = 0; i < 32; i++)
{
if (digest[i] != secret[36 + i])
valid4 = false;
}
}
finally
{
if (key != null)
{
Array.Clear(key, 0, key.Length);
key = null;
}
if (secret != null)
{
Array.Clear(secret, 0, secret.Length);
secret = null;
}
if (iv != null)
{
Array.Clear(iv, 0, iv.Length);
iv = null;
}
aes.Clear();
hash.Clear();
}
// single point of error (also limits timing informations)
if (!valid1 || !valid2 || !valid3 || !valid4)
{
if (decdata != null)
{
Array.Clear(decdata, 0, decdata.Length);
decdata = null;
}
throw new CryptographicException("Invalid data.");
}
return decdata;
}
// private stuff
private static RSA appstartup;
private readonly static object appstartup_lock = new object();
private static RSA GetKey()
{
if (appstartup == null)
{
lock (appstartup_lock)
{
appstartup = new RSACryptoServiceProvider(1536);
}
}
return appstartup;
}
}
}

2
src/NzbDrone.SignalR/NzbDrone.SignalR.csproj
View File

@ -81,7 +81,6 @@
<Compile Include="..\NzbDrone.Common\Properties\SharedAssemblyInfo.cs"> <Compile Include="..\NzbDrone.Common\Properties\SharedAssemblyInfo.cs">
<Link>Properties\SharedAssemblyInfo.cs</Link> <Link>Properties\SharedAssemblyInfo.cs</Link>
</Compile> </Compile>
<Compile Include="NonPersistentManagedProtection.cs" />
<Compile Include="NoOpPerformanceCounter.cs" /> <Compile Include="NoOpPerformanceCounter.cs" />
<Compile Include="NzbDronePersistentConnection.cs" /> <Compile Include="NzbDronePersistentConnection.cs" />
<Compile Include="Properties\AssemblyInfo.cs" /> <Compile Include="Properties\AssemblyInfo.cs" />
@ -89,7 +88,6 @@
<Compile Include="SignalRDependencyResolver.cs" /> <Compile Include="SignalRDependencyResolver.cs" />
<Compile Include="SignalRJsonSerializer.cs" /> <Compile Include="SignalRJsonSerializer.cs" />
<Compile Include="SignalRMessage.cs" /> <Compile Include="SignalRMessage.cs" />
<Compile Include="SignalRProtectedData.cs" />
<Compile Include="SonarrPerformanceCounterManager.cs" /> <Compile Include="SonarrPerformanceCounterManager.cs" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>

45
src/NzbDrone.SignalR/SignalRProtectedData.cs
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@ -1,45 +0,0 @@
using Microsoft.AspNet.SignalR;
using Microsoft.AspNet.SignalR.Infrastructure;
using NzbDrone.Common.EnvironmentInfo;
using System;
using System.Text;
namespace NzbDrone.SignalR
{
// This class uses a per-startup key instead of the persistent keystore.
public class SignalRProtectedData : IProtectedData
{
private static readonly UTF8Encoding _encoding = new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: true);
public static void Register()
{
// On mono we're not guaranteed to have a DSAPI keystore, and we don't really need it, so use an alternate ProtectedData method.
if (OsInfo.IsNotWindows)
{
GlobalHost.DependencyResolver.Register(typeof(IProtectedData), () => new SignalRProtectedData());
}
}
public string Protect(string data, string purpose)
{
byte[] purposeBytes = _encoding.GetBytes(purpose);
byte[] unprotectedBytes = _encoding.GetBytes(data);
byte[] protectedBytes = NonPersistentManagedProtection.Protect(unprotectedBytes, purposeBytes);
return Convert.ToBase64String(protectedBytes);
}
public string Unprotect(string protectedValue, string purpose)
{
byte[] purposeBytes = _encoding.GetBytes(purpose);
byte[] protectedBytes = Convert.FromBase64String(protectedValue);
byte[] unprotectedBytes = NonPersistentManagedProtection.Unprotect(protectedBytes, purposeBytes);
return _encoding.GetString(unprotectedBytes);
}
}
}