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Password encryption, Claim groups

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This commit is contained in:
Andre Beging
2022-04-11 13:05:15 +02:00
parent c553047369
commit 208ea99a42
12 changed files with 273 additions and 125 deletions
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4
FoodsharingSiegen.Shared/FoodsharingSiegen.Shared.csproj
View File

@@ -10,4 +10,8 @@
<PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.16.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\FoodsharingSiegen.Contracts\FoodsharingSiegen.Contracts.csproj" />
</ItemGroup>
</Project>

142
FoodsharingSiegen.Shared/Helper/AuthHelper.cs
View File

@@ -1,7 +1,8 @@
using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Security.Cryptography;
using System.Text;
using System.Text.Json;
using FoodsharingSiegen.Contracts.Entity;
using FoodsharingSiegen.Contracts.Helper;
using Microsoft.IdentityModel.Tokens;
namespace FoodsharingSiegen.Shared.Helper
@@ -16,22 +17,23 @@ namespace FoodsharingSiegen.Shared.Helper
/// <summary>
/// Creates the token using the specified user id (a. beging, 04.04.2022)
/// </summary>
/// <param name="userId">The user id</param>
/// <returns>The string</returns>
public static string CreateToken(Guid userId)
public static string CreateToken(User user)
{
user.Password = "";
var serializedUser = JsonSerializer.Serialize(user);
var tokenHandler = new JwtSecurityTokenHandler();
var tokenDescriptor = new SecurityTokenDescriptor
{
Subject = new ClaimsIdentity(new[]
{
new Claim(ClaimTypes.NameIdentifier, userId.ToString()),
new Claim("CanDoShit","yes")
new Claim(ClaimTypes.UserData, serializedUser)
}),
Expires = DateTime.UtcNow.AddDays(30),
Issuer = Issuer,
Audience = Audience,
SigningCredentials = new SigningCredentials(GetSigningKey(), SecurityAlgorithms.HmacSha256Signature)
SigningCredentials = new SigningCredentials(Cryptor.GetSigningKey(), SecurityAlgorithms.HmacSha256Signature)
};
var token = tokenHandler.CreateToken(tokenDescriptor);
@@ -39,92 +41,52 @@ namespace FoodsharingSiegen.Shared.Helper
}
#endregion
#region Public Method Decrypt
/// <summary>
/// Decrypts the crypted text (a. beging, 04.04.2022)
/// </summary>
/// <param name="cryptedText">The crypted text</param>
/// <param name="plainText"></param>
/// <returns>The string</returns>
public static bool TryDecrypt(string cryptedText, out string plainText)
{
plainText = string.Empty;
try
{
CreateAlgorithm(out var tripleDes);
var toEncryptArray = Convert.FromBase64String(cryptedText);
var cTransform = tripleDes.CreateDecryptor();
var resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
tripleDes.Clear();
plainText = Encoding.UTF8.GetString(resultArray);
return true;
}
catch (Exception e)
{
return false;
}
}
#endregion
#region Public Method Encrypt
/// <summary>
/// Encrypts the plain text (a. beging, 04.04.2022)
/// </summary>
/// <param name="plainText">The plain text</param>
/// <returns>The string</returns>
public static string Encrypt(string plainText)
{
CreateAlgorithm(out var tripleDes);
var toEncryptArray = Encoding.UTF8.GetBytes(plainText );
var cTransform = tripleDes.CreateEncryptor();
var resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
tripleDes.Clear();
return Convert.ToBase64String(resultArray, 0, resultArray.Length);
}
#endregion
#region Public Method ValidateToken
/// <summary>
/// Validates the token using the specified token (a. beging, 04.04.2022)
/// </summary>
/// <param name="token">The token</param>
/// <param name="user"></param>
/// <returns>A task containing the bool</returns>
public static async Task<bool> ValidateToken(string? token)
public static bool ValidateToken(string? token, out User? user)
{
user = null;
try
{
var tokenHandler = new JwtSecurityTokenHandler();
var result = await tokenHandler.ValidateTokenAsync(token, new TokenValidationParameters
tokenHandler.ValidateToken(token, new TokenValidationParameters
{
ValidateIssuerSigningKey = true,
IssuerSigningKey = GetSigningKey(),
IssuerSigningKey = Cryptor.GetSigningKey(),
ValidateAudience = true,
ValidAudience = Audience,
ValidateIssuer = true,
ValidIssuer = Issuer
});
}, out var stuff);
var result = tokenHandler.ValidateTokenAsync(token, new TokenValidationParameters
{
ValidateIssuerSigningKey = true,
IssuerSigningKey = Cryptor.GetSigningKey(),
ValidateAudience = true,
ValidAudience = Audience,
ValidateIssuer = true,
ValidIssuer = Issuer
}).Result;
if (result.Claims.TryGetValue(ClaimTypes.UserData, out var jsonObj))
{
user = JsonSerializer.Deserialize<User>(jsonObj.ToString());
if (user != null) user.Password = string.Empty;
}
return result.IsValid;
}
catch (Exception e)
@@ -135,40 +97,6 @@ namespace FoodsharingSiegen.Shared.Helper
#endregion
#region Private Method CreateAlgorithm
/// <summary>
/// Creates the algorithm using the specified triple des (a. beging, 04.04.2022)
/// </summary>
/// <param name="tripleDes">The triple des</param>
private static void CreateAlgorithm(out TripleDES tripleDes)
{
var md5 = MD5.Create();
var keyArray = md5.ComputeHash(Encoding.UTF8.GetBytes(SigningKey));
md5.Clear();
tripleDes = TripleDES.Create();
tripleDes.Key = keyArray;
tripleDes.Mode = CipherMode.ECB;
tripleDes.Padding = PaddingMode.PKCS7;
}
#endregion
#region Private Method GetSigningKey
/// <summary>
/// Gets the signing key (a. beging, 04.04.2022)
/// </summary>
/// <returns>The security key</returns>
private static SecurityKey GetSigningKey() => new SymmetricSecurityKey(Encoding.ASCII.GetBytes(SigningKey));
#endregion
/// <summary>
/// The signing key
/// </summary>
private const string SigningKey = "2uasw2§$%1nd47n9s43&%Zs3529s23&/%AW";
/// <summary>
/// The audience