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ln.identities
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master
Harald Wolff 2019-11-15 13:49:21 +01:00
commit 52588d66d5
14 changed files with 515 additions and 0 deletions
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41
.gitignore vendored 100644
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# Autosave files
*~
# build
[Oo]bj/
[Bb]in/
packages/
TestResults/
# globs
Makefile.in
*.DS_Store
*.sln.cache
*.suo
*.cache
*.pidb
*.userprefs
*.usertasks
config.log
config.make
config.status
aclocal.m4
install-sh
autom4te.cache/
*.user
*.tar.gz
tarballs/
test-results/
Thumbs.db
.vs/
# Mac bundle stuff
*.dmg
*.app
# resharper
*_Resharper.*
*.Resharper
# dotCover
*.dotCover

41
AuthenticationChallenges.cs 100644
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using System;
using System.Collections.Generic;
namespace ln.identities
{
public class AuthenticationChallenges
{
public AuthenticationChallenge[] Challenges => authenticationChallenges.ToArray();
List<AuthenticationChallenge> authenticationChallenges = new List<AuthenticationChallenge>();
private AuthenticationChallenges()
{
}
public AuthenticationChallenges(IEnumerable<SecureAttribute> secureAttributes)
{
foreach (SecureAttribute secureAttribute in secureAttributes)
{
authenticationChallenges.Add(new AuthenticationChallenge(secureAttribute));
}
}
}
public class AuthenticationChallenge
{
public Guid SecureAttributeID { get; private set; }
public String SecureAttributeTypeName { get; private set; }
public string SecureAttributeLabel { get; private set; }
public String AuthenticationParameters { get; private set; }
public byte[] Challenge { get; private set; }
public AuthenticationChallenge(SecureAttribute secureAttribute)
{
SecureAttributeID = secureAttribute.UniqueID;
SecureAttributeTypeName = secureAttribute.GetAttributeTypeName();
SecureAttributeLabel = secureAttribute.Label;
AuthenticationParameters = secureAttribute.GetAuthenticationParameters();
Challenge = secureAttribute.CreateChallenge();
}
}
}

23
AuthenticationProve.cs 100644
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using System;
namespace ln.identities
{
public class AuthenticationProve
{
private AuthenticationProve()
{
}
public AuthenticationProve(string identityName,Guid secureAttributeUniqueID,byte[] challenge,byte[] prove)
{
IdentityName = identityName;
SecureAttributeUniqueID = secureAttributeUniqueID;
Challenge = challenge;
Prove = prove;
}
public string IdentityName { get; private set; }
public Guid SecureAttributeUniqueID { get; private set; }
public byte[] Challenge { get; private set; }
public byte[] Prove { get; private set; }
}
}

21
AuthenticationRequest.cs 100644
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using System;
namespace ln.identities
{
public class AuthenticationRequest
{
public String IdentityName { get; private set; }
public String SecureAttributeTypeName { get; private set; }
private AuthenticationRequest()
{
}
public AuthenticationRequest(String identityName,String secureAttributeTypeName)
{
IdentityName = identityName;
SecureAttributeTypeName = secureAttributeTypeName;
}
public AuthenticationRequest(String identityName) : this(identityName, null){}
}
}

34
BaseIdentityProvider.cs 100644
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using System;
using System.Collections.Generic;
using System.Linq;
namespace ln.identities
{
public abstract class BaseIdentityProvider : IIdentityProvider
{
public BaseIdentityProvider()
{
}
public virtual Identity Authenticate(AuthenticationProve authenticationProve)
{
Identity identity = GetIdentity(authenticationProve.IdentityName);
if (identity == null)
throw new KeyNotFoundException();
SecureAttribute secureAttribute = identity.GetSecureAttribute(authenticationProve.SecureAttributeUniqueID);
if (secureAttribute.Authenticate(authenticationProve.Challenge, authenticationProve.Prove))
{
return identity;
}
throw new ArgumentOutOfRangeException();
}
public abstract Identity CreateIdentity(string identityName);
public abstract IEnumerable<KeyValuePair<Guid, string>> GetIdentities();
public abstract Identity GetIdentity(Guid uniqueID);
public abstract bool Save(Identity identity);
public virtual Identity GetIdentity(string identityName) => GetIdentity(GetIdentities().FirstOrDefault((kvp) => identityName.Equals(kvp.Value)).Key);
}
}

18
IIdentityProvider.cs 100644
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using System;
using System.Collections.Generic;
namespace ln.identities
{
public interface IIdentityProvider
{
IEnumerable<KeyValuePair<Guid, string>> GetIdentities();
Identity GetIdentity(Guid uniqueID);
Identity GetIdentity(string identityName);
Identity CreateIdentity(string identityName);
bool Save(Identity identity);
Identity Authenticate(AuthenticationProve authenticationProve);
}
}

60
Identity.cs 100644
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using System;
using System.Collections.Generic;
using System.Linq;
namespace ln.identities
{
public class Identity
{
public Guid UniqueID { get; private set; }
public String IdentityName { get; set; }
List<SecureAttribute> secureAttributes = new List<SecureAttribute>();
List<RoleAssignment> roleAssignments = new List<RoleAssignment>();
private Identity()
{
}
private Identity(Guid uniqueID,string identityName)
{
UniqueID = uniqueID;
IdentityName = identityName;
}
public Identity(string identityName) : this(Guid.NewGuid(),identityName){}
public SecureAttribute GetSecureAttribute(Guid uniqueID)
{
foreach (SecureAttribute secureAttribute in secureAttributes)
{
if (secureAttribute.UniqueID.Equals(uniqueID))
return secureAttribute;
}
throw new KeyNotFoundException();
}
public SecureAttribute[] GetSecureAttributes() => secureAttributes.ToArray();
public SecureAttribute[] GetSecureAttributes(String secureAttributeTypeName) => secureAttributeTypeName == null ? GetSecureAttributes() : secureAttributes.Where((secureAttribute)=>secureAttribute.GetAttributeTypeName().Equals(secureAttributeTypeName)).ToArray();
public KeyValuePair<Guid, byte[]>[] GetChallenges() => GetChallenges(null);
public KeyValuePair<Guid,byte[]>[] GetChallenges(String secureAttributeTypeName)
{
SecureAttribute[] sas = GetSecureAttributes(secureAttributeTypeName);
KeyValuePair<Guid, byte[]>[] challenges = new KeyValuePair<Guid, byte[]>[sas.Length];
for (int n = 0; n < sas.Length; n++)
{
challenges[n] = new KeyValuePair<Guid, byte[]>(sas[n].UniqueID, sas[n].CreateChallenge());
}
return challenges;
}
public void AddSecureAttribute(SecureAttribute secureAttribute) => secureAttributes.Add(secureAttribute);
public void RemoveSecureAttribute(SecureAttribute secureAttribute) => secureAttributes.Remove(secureAttribute);
}
}

78
ODBIdentityProvider.cs 100644
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using System;
using System.Collections.Generic;
using ln.types.odb.ng.storage;
using ln.types.odb.ng;
using System.Linq;
using ln.types.btree;
using ln.types.collections;
using System.Security.Principal;
namespace ln.identities
{
public class ODBIdentityProvider : BaseIdentityProvider
{
public IStorageContainer StorageContainer { get; }
Mapper mapper;
WeakValueDictionary<Guid, Identity> identityCache = new WeakValueDictionary<Guid, Identity>();
public ODBIdentityProvider(IStorageContainer storageContainer)
{
StorageContainer = storageContainer;
mapper = new Mapper(storageContainer);
mapper.EnsureIndex<Identity>("UniqueID");
mapper.EnsureIndex<Identity>("IdentityName");
}
public override IEnumerable<KeyValuePair<Guid, string>> GetIdentities() => mapper.Load<Identity>().Select((identity) => new KeyValuePair<Guid, string>(identity.UniqueID, identity.IdentityName));
public override Identity GetIdentity(Guid uniqueID)
{
if (identityCache.ContainsKey(uniqueID))
return identityCache[uniqueID];
Identity identity = mapper.Load<Identity>(Query.Equals<Identity>("UniqueID", uniqueID)).FirstOrDefault();
if (identity != null)
{
identityCache.Add(identity.UniqueID,identity);
return identity;
}
throw new KeyNotFoundException();
}
public override Identity GetIdentity(string identityName)
{
Identity identity = mapper.Load<Identity>(Query.Equals<Identity>("IdentityName", identityName)).FirstOrDefault();
if (identity != null)
{
if (!identityCache.ContainsKey(identity.UniqueID))
identityCache.Add(identity.UniqueID, identity);
return identity;
}
throw new KeyNotFoundException();
}
public override Identity CreateIdentity(string identityName)
{
Identity identity = new Identity(identityName);
identityCache.Add(identity.UniqueID, identity);
return identity;
}
public override bool Save(Identity identity)
{
if (!identityCache.ContainsKey(identity.UniqueID))
throw new KeyNotFoundException();
Identity cachedIdentity = identityCache[identity.UniqueID];
if (!Object.ReferenceEquals(identity, cachedIdentity))
throw new ArgumentOutOfRangeException();
mapper.Save<Identity>(cachedIdentity);
return true;
}
}
}

26
Properties/AssemblyInfo.cs 100644
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using System.Reflection;
using System.Runtime.CompilerServices;
// Information about this assembly is defined by the following attributes.
// Change them to the values specific to your project.
[assembly: AssemblyTitle("ln.identities")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("")]
[assembly: AssemblyCopyright("")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
// The form "{Major}.{Minor}.*" will automatically update the build and revision,
// and "{Major}.{Minor}.{Build}.*" will update just the revision.
[assembly: AssemblyVersion("1.0.*")]
// The following attributes are used to specify the signing key for the assembly,
// if desired. See the Mono documentation for more information about signing.
//[assembly: AssemblyDelaySign(false)]
//[assembly: AssemblyKeyFile("")]

13
Role.cs 100644
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using System;
namespace ln.identities
{
public class Role
{
public String Name { get; }
public Role()
{
}
}
}

10
RoleAssignment.cs 100644
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using System;
namespace ln.identities
{
public class RoleAssignment
{
public RoleAssignment()
{
}
}
}

36
SecureAttribute.cs 100644
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using System;
namespace ln.identities
{
public abstract class SecureAttribute
{
static public Random Random { get; } = new Random();
public Guid UniqueID { get; private set; }
public String Label { get; set; }
public byte[] Challenge { get; private set; }
protected SecureAttribute()
{
UniqueID = Guid.NewGuid();
}
protected SecureAttribute(String label)
:this()
{
Label = label;
}
public abstract String GetAuthenticationParameters();
public abstract bool Authenticate(byte[] challenge, byte[] prove);
public virtual byte[] CreateChallenge()
{
Challenge = new byte[32];
Random.NextBytes(Challenge);
return Challenge;
}
public string GetAttributeTypeName() => this.GetType().Name;
}
}

61
SeededPassword.cs 100644
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using System;
using System.Security.Cryptography;
using System.Text;
using System.Linq;
using ln.types;
namespace ln.identities
{
public class SeededPassword : SecureAttribute
{
public byte[] Seed { get; }
byte[] secretBytes;
private SeededPassword() { }
public SeededPassword(byte[] seed,byte[] secretBytes)
:base("Passwort")
{
this.Seed = seed;
this.secretBytes = secretBytes;
}
public SeededPassword(string password)
:base("Passwort")
{
Seed = new byte[32];
Random.NextBytes(Seed);
using (SHA256 sha256 = SHA256.Create())
{
byte[] passwordBytes = Encoding.UTF8.GetBytes(password);
Console.WriteLine("PasswordBytes={0}", passwordBytes.ToHexString());
Console.WriteLine("Seed={0}", Seed.ToHexString());
sha256.TransformBlock(Seed, 0, Seed.Length, null, 0);
sha256.TransformBlock(passwordBytes, 0, passwordBytes.Length, null, 0);
sha256.TransformFinalBlock(Seed, 0, Seed.Length);
secretBytes = sha256.Hash;
Console.WriteLine("SecretBytes={0}", secretBytes.ToHexString());
}
}
public override bool Authenticate(byte[] challenge,byte[] prove)
{
if (!Challenge.AreEqual(challenge))
return false;
using (SHA256 sha256 = SHA256.Create())
{
sha256.TransformBlock(Challenge, 0, Challenge.Length, null, 0);
sha256.TransformBlock(secretBytes, 0, secretBytes.Length, null, 0);
sha256.TransformFinalBlock(Challenge, 0, Challenge.Length);
byte[] myProve = sha256.Hash;
return myProve.AreEqual(prove);
}
}
public override string GetAuthenticationParameters() => Seed.ToHexString();
}
}

53
ln.identities.csproj 100644
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{AA1F75AF-0AEC-4CC0-AC3B-209AE90781AC}</ProjectGuid>
<OutputType>Library</OutputType>
<RootNamespace>ln.identities</RootNamespace>
<AssemblyName>ln.identities</AssemblyName>
<TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug</OutputPath>
<DefineConstants>DEBUG;</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<ConsolePause>false</ConsolePause>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<Optimize>true</Optimize>
<OutputPath>bin\Release</OutputPath>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<ConsolePause>false</ConsolePause>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
</ItemGroup>
<ItemGroup>
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Identity.cs" />
<Compile Include="Role.cs" />
<Compile Include="RoleAssignment.cs" />
<Compile Include="SeededPassword.cs" />
<Compile Include="SecureAttribute.cs" />
<Compile Include="IIdentityProvider.cs" />
<Compile Include="AuthenticationProve.cs" />
<Compile Include="ODBIdentityProvider.cs" />
<Compile Include="AuthenticationRequest.cs" />
<Compile Include="AuthenticationChallenges.cs" />
<Compile Include="BaseIdentityProvider.cs" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\ln.types\ln.types.csproj">
<Project>{8D9AB9A5-E513-4BA7-A450-534F6456BF28}</Project>
<Name>ln.types</Name>
</ProjectReference>
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
</Project>