Merge branch 'main' into feature/base_authority

DotBased.AspNet.Authority.EFCore/AuthorityContext.cs

@@ -0,0 +1,60 @@
+using DotBased.AspNet.Authority.EFCore.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+using Microsoft.EntityFrameworkCore;
+
+namespace DotBased.AspNet.Authority.EFCore;
+
+public class AuthorityContext(DbContextOptions<AuthorityContext> options) : DbContext(options)
+{
+    public DbSet<AuthorityAttribute> Attributes { get; set; }
+    public DbSet<AuthorityGroup> Groups { get; set; }
+    public DbSet<AuthorityRole> Roles { get; set; }
+    public DbSet<AuthorityUser> Users { get; set; }
+    
+    public DbSet<RoleLink> RoleLinks { get; set; }
+    public DbSet<UserGroups> UserGroups { get; set; }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<AuthorityAttribute>(attributeEntity =>
+        {
+            attributeEntity.ToTable("authority_attributes");
+            attributeEntity.HasKey(a => new { a.ForeignKey, a.AttributeKey });
+        });
+
+        modelBuilder.Entity<AuthorityGroup>(groupEntity =>
+        {
+            groupEntity.ToTable("authority_groups");
+            groupEntity.HasKey(x => x.Id);
+            groupEntity.HasMany(g => g.Attributes).WithOne().HasForeignKey(a => a.ForeignKey).OnDelete(DeleteBehavior.Cascade);
+        });
+
+        modelBuilder.Entity<AuthorityRole>(roleEntity =>
+        {
+            roleEntity.ToTable("authority_roles");
+            roleEntity.HasKey(x => x.Id);
+            roleEntity.HasMany(r => r.Attributes).WithOne().HasForeignKey(a => a.ForeignKey).OnDelete(DeleteBehavior.Cascade);
+        });
+        
+        modelBuilder.Entity<AuthorityUser>(userEntity =>
+        {
+            userEntity.ToTable("authority_users");
+            userEntity.HasKey(x => x.Id);
+            userEntity.HasMany(u => u.Attributes).WithOne().HasForeignKey(a => a.ForeignKey).OnDelete(DeleteBehavior.Cascade);
+        });
+
+        modelBuilder.Entity<RoleLink>(rgEntity =>
+        {
+            rgEntity.ToTable("role_links");
+            rgEntity.HasKey(rg => new { rg.RoleId, rg.LinkId });
+        });
+
+        modelBuilder.Entity<UserGroups>(ugEntity =>
+        {
+            ugEntity.ToTable("user_groups");
+            ugEntity.HasKey(ug => new { ug.UserId, ug.GroupId });
+        });
+        
+        base.OnModelCreating(modelBuilder);
+    }
+}

DotBased.AspNet.Authority.EFCore/DotBased.AspNet.Authority.EFCore.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\DotBased.AspNet.Authority\DotBased.AspNet.Authority.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.12" />
+      <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.12">
+        <PrivateAssets>all</PrivateAssets>
+        <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      </PackageReference>
+      <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="8.0.12" />
+    </ItemGroup>
+
+</Project>

DotBased.AspNet.Authority.EFCore/Extensions.cs

@@ -0,0 +1,19 @@
+using DotBased.AspNet.Authority.EFCore.Repositories;
+using DotBased.AspNet.Authority.Repositories;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace DotBased.AspNet.Authority.EFCore;
+
+public static class Extensions
+{
+    public static AuthorityBuilder AddAuthorityContext(this AuthorityBuilder builder, Action<DbContextOptionsBuilder> options)
+    {
+        builder.Services.AddDbContextFactory<AuthorityContext>(options);
+        builder.Services.AddScoped<IAttributeRepository, AttributeRepository>();
+        builder.Services.AddScoped<IGroupRepository, GroupRepository>();
+        builder.Services.AddScoped<IRoleRepository, RoleRepository>();
+        builder.Services.AddScoped<IUserRepository, UserRepository>();
+        return builder;
+    }
+}

DotBased.AspNet.Authority.EFCore/Models/RoleLink.cs

@@ -0,0 +1,7 @@
+namespace DotBased.AspNet.Authority.EFCore.Models;
+
+public class RoleLink
+{
+    public Guid RoleId { get; set; }
+    public Guid LinkId { get; set; }
+}

DotBased.AspNet.Authority.EFCore/Models/UserGroups.cs

@@ -0,0 +1,7 @@
+namespace DotBased.AspNet.Authority.EFCore.Models;
+
+public class UserGroups
+{
+    public Guid UserId { get; set; }
+    public Guid GroupId { get; set; }
+}

DotBased.AspNet.Authority.EFCore/Models/UserRoles.cs

@@ -0,0 +1,7 @@
+namespace DotBased.AspNet.Authority.EFCore.Models;
+
+public class UserRoles
+{
+    public Guid RoleId { get; set; }
+    public Guid UserId { get; set; }
+}

DotBased.AspNet.Authority.EFCore/README.md

@@ -0,0 +1,23 @@
+# EF Core database
+
+## Add migration project
+```csharp
+options.UseSqlite("Data Source=dev-dotbased.db", c => c.MigrationsAssembly("PROJECT-NAME"));
+```
+
+## EF Tool
+
+Add migration
+```shell
+dotnet ef migrations add MIGRATION-NAME --project PROJECT-NAME
+```
+
+Remove migrations
+```shell
+dotnet ef migrations remove --project PROJECT-NAME
+```
+
+Update database
+```shell
+dotnet ef database update --project PROJECT-NAME
+```

DotBased.AspNet.Authority.EFCore/Repositories/AttributeRepository.cs

@@ -0,0 +1,86 @@
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Repositories;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace DotBased.AspNet.Authority.EFCore.Repositories;
+
+public class AttributeRepository(IDbContextFactory<AuthorityContext> contextFactory, ILogger<AttributeRepository> logger) : RepositoryBase, IAttributeRepository
+{
+    public async Task<QueryItems<AuthorityAttributeItem>> GetAttributesAsync(int limit = 20, int offset = 0, string search = "",
+        CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var query = context.Attributes.AsQueryable();
+        if (!string.IsNullOrEmpty(search))
+        {
+            query = query.Where(a => $"{a.AttributeKey} {a.ForeignKey} {a.AttributeValue}".Contains(search, StringComparison.CurrentCultureIgnoreCase));
+        }
+            
+        var total = await query.CountAsync(cancellationToken);
+        var select = await query.OrderBy(a => a.AttributeKey).Skip(offset).Take(limit).Select(a => new AuthorityAttributeItem()
+        {
+            BoundId = a.ForeignKey,
+            AttributeKey = a.AttributeKey,
+            AttributeValue = a.AttributeValue
+        }).ToListAsync(cancellationToken);
+        return QueryItems<AuthorityAttributeItem>.Create(select, total, limit, offset);
+    }
+
+    public async Task<AuthorityAttribute?> GetAttributeByKeyAsync(string key, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        return await context.Attributes.FirstOrDefaultAsync(a => a.AttributeKey == key, cancellationToken);
+    }
+
+    public async Task<AuthorityAttribute?> CreateAttributeAsync(AuthorityAttribute attribute,
+        CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        if (string.IsNullOrWhiteSpace(attribute.AttributeKey) || attribute.ForeignKey == Guid.Empty)
+        {
+            throw new Exception($"Attribute {attribute.AttributeKey} not found");
+        }
+
+        var entry = context.Attributes.Add(attribute);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0 ? entry.Entity : null;
+    }
+
+    public async Task<AuthorityAttribute?> UpdateAttributeAsync(AuthorityAttribute attribute, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var currentAttribute = await context.Attributes.FirstOrDefaultAsync(a => a.AttributeKey == attribute.AttributeKey, cancellationToken);
+        if (currentAttribute == null)
+        {
+            return null;
+        }
+
+        if (currentAttribute.Version != attribute.Version)
+        {
+            logger.LogError("Attribute version validation failed for attribute {attribute}", currentAttribute.AttributeKey);
+            return null;
+        }
+            
+        var entry = context.Attributes.Update(currentAttribute);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0 ? entry.Entity : null;
+    }
+
+    public async Task<bool> DeleteAttributeAsync(AuthorityAttribute attribute, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var currentAttribute = await context.Attributes.FirstOrDefaultAsync(a => a.AttributeKey == attribute.AttributeKey, cancellationToken);
+        
+        if (currentAttribute == null)
+        {
+            logger.LogError("Attribute not found.");
+            return false;
+        }
+        
+        context.Attributes.Remove(currentAttribute);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0;
+    }
+}

DotBased.AspNet.Authority.EFCore/Repositories/GroupRepository.cs

@@ -0,0 +1,116 @@
+using DotBased.AspNet.Authority.EFCore.Models;
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Repositories;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace DotBased.AspNet.Authority.EFCore.Repositories;
+
+public class GroupRepository(IDbContextFactory<AuthorityContext> contextFactory, ILogger<GroupRepository> logger) : RepositoryBase, IGroupRepository
+{
+    public async Task<QueryItems<AuthorityGroupItem>> GetGroupsAsync(int limit = 20, int offset = 0, string search = "", CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var query = context.Groups.AsQueryable();
+        if (!string.IsNullOrWhiteSpace(search))
+        {
+            query = query.Where(g => $"{g.Name} {g.Id}".Contains(search));
+        }
+        var total = await query.CountAsync(cancellationToken);
+        var select = await query.OrderBy(g => g.Name).Skip(offset).Take(limit).Select(g => new AuthorityGroupItem()
+        {
+            Id = g.Id,
+            Name = g.Name
+        }).ToListAsync(cancellationToken);
+        return QueryItems<AuthorityGroupItem>.Create(select, total, limit, offset);
+    }
+
+    public async Task<AuthorityGroup?> GetGroupByIdAsync(string id, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        
+        if (!Guid.TryParse(id, out var groupId))
+        {
+            throw new Exception($"Invalid group id: {id}");
+        }
+        
+        return await context.Groups.Where(g => g.Id == groupId).Include(g => g.Attributes).FirstOrDefaultAsync(cancellationToken: cancellationToken);
+    }
+
+    public async Task<bool> AddUsersToGroupAsync(List<AuthorityUser> users, AuthorityGroup group, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        if (!context.Groups.Any(g => g.Id == group.Id))
+        {
+            return false;
+        }
+        
+        var usersToAdd = users.Where(u => !context.UserGroups.Any(ug => ug.UserId == u.Id)).ToList();
+        if (usersToAdd.Count == 0)
+        {
+            return false;
+        }
+
+        foreach (var user in usersToAdd)
+        {
+            context.UserGroups.Add(new UserGroups() { UserId = user.Id, GroupId = group.Id });
+        }
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult > 0;
+    }
+
+    public async Task<List<AuthorityGroup>> GetUserGroupsAsync(AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var userJoinGroups = context.UserGroups.Where(ug => ug.UserId == user.Id).Select(ug => ug.GroupId);
+        var userGroups = context.Groups.Where(g => userJoinGroups.Contains(g.Id));
+        return userGroups.ToList();
+    }
+
+    public async Task<AuthorityGroup?> CreateGroupAsync(AuthorityGroup group, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        if (group.Id == Guid.Empty)
+        {
+            throw new Exception($"Invalid group id: {group.Id}");
+        }
+        var entry = context.Groups.Add(group);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0 ? entry.Entity : null;
+    }
+
+    public async Task<AuthorityGroup?> UpdateGroupAsync(AuthorityGroup group, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var currentGroup = await context.Groups.FirstOrDefaultAsync(g => g.Id == group.Id ,cancellationToken);
+        if (currentGroup == null)
+        {
+            logger.LogError("Group with id {groupId} not found.", group.Id);
+            return null;
+        }
+
+        if (currentGroup.Version != group.Version)
+        {
+            logger.LogError("Group version validation failed.");
+            return null;
+        }
+        
+        var entry = context.Groups.Update(group);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0 ? entry.Entity : null;
+    }
+
+    public async Task<bool> DeleteGroupsAsync(List<AuthorityGroup> groups, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var groupIds = groups.Select(g => g.Id).ToList();
+        
+        context.Groups.RemoveRange(groups);
+        context.UserGroups.RemoveRange(context.UserGroups.Where(ug => groupIds.Contains(ug.GroupId)));
+        context.RoleLinks.RemoveRange(context.RoleLinks.Where(rl => groupIds.Contains(rl.LinkId)));
+        
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0;
+    }
+}

DotBased.AspNet.Authority.EFCore/Repositories/RepositoryBase.cs

@@ -0,0 +1,6 @@
+namespace DotBased.AspNet.Authority.EFCore.Repositories;
+
+public abstract class RepositoryBase
+{
+    
+}

DotBased.AspNet.Authority.EFCore/Repositories/RoleRepository.cs

@@ -0,0 +1,126 @@
+using DotBased.AspNet.Authority.EFCore.Models;
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Repositories;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace DotBased.AspNet.Authority.EFCore.Repositories;
+
+
+public class RoleRepository(IDbContextFactory<AuthorityContext> contextFactory, ILogger<RoleRepository> logger) : RepositoryBase, IRoleRepository
+{
+    public async Task<QueryItems<AuthorityRoleItem>> GetRolesAsync(int limit = 20, int offset = 0, string search = "", CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var query = context.Roles.AsQueryable();
+        if (!string.IsNullOrWhiteSpace(search))
+        {
+            query = query.Where(r =>
+                $"{r.Name} {r.Id}".Contains(search, StringComparison.CurrentCultureIgnoreCase));
+        }
+
+        var total = await query.CountAsync(cancellationToken);
+        var select = await query.OrderBy(r => r.Name).Skip(offset).Take(limit).Select(r => new AuthorityRoleItem()
+        {
+            Id = r.Id,
+            Name = r.Name
+        }).ToListAsync(cancellationToken: cancellationToken);
+        return QueryItems<AuthorityRoleItem>.Create(select, total, limit, offset);
+    }
+
+    public async Task<AuthorityRole?> GetRoleByIdAsync(Guid id, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var role = await context.Roles.Where(r => r.Id == id).Include(r => r.Attributes).FirstOrDefaultAsync(cancellationToken: cancellationToken);
+        return role;
+    }
+
+    public async Task<AuthorityRole?> CreateRoleAsync(AuthorityRole role, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        if (role.Id == Guid.Empty)
+        {
+            throw new Exception("Role id is required!");
+        }
+        var entity = context.Roles.Add(role);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+
+        return saveResult != 0 ? entity.Entity : null;
+    }
+
+    public async Task<AuthorityRole?> UpdateRoleAsync(AuthorityRole role, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var currentRole = await context.Roles.FirstOrDefaultAsync(r => r.Id == role.Id, cancellationToken: cancellationToken);
+        if (currentRole == null)
+        {
+            throw new Exception($"Role with id {role.Id} not found!");
+        }
+
+        if (role.Version != currentRole.Version)
+        {
+            throw new Exception("Role version does not match!");
+        }
+            
+        var entity = context.Roles.Update(role);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0 ? entity.Entity : null;
+    }
+
+    public async Task<bool> DeleteRolesAsync(List<AuthorityRole> roles, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var roleIds = roles.Select(r => r.Id).ToList();
+        
+        context.Roles.RemoveRange(roles);
+        context.RoleLinks.RemoveRange(context.RoleLinks.Where(rl => roleIds.Contains(rl.RoleId)));
+        
+        var removedRoles = await context.SaveChangesAsync(cancellationToken);
+        if (removedRoles != 0) return true;
+        logger.LogError("Failed to remove roles");
+        return false;
+    }
+
+    public async Task<bool> AddRolesLinkAsync(List<AuthorityRole> roles, Guid linkId, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        foreach (var role in roles)
+        {
+            context.RoleLinks.Add(new RoleLink { LinkId = linkId, RoleId = role.Id });
+        }
+        var linkedRoles = await context.SaveChangesAsync(cancellationToken);
+        if (linkedRoles == roles.Count)
+        {
+            return true;
+        }
+
+        logger.LogError("Failed to link all given roles, {linkedRoles}/{totalRoles} roles linked!", linkedRoles, roles.Count);
+        return false;
+    }
+
+    public async Task<List<AuthorityRole>> GetLinkedRolesAsync(List<Guid> linkIds, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var linkedRoles = context.RoleLinks.Where(r => linkIds.Contains(r.LinkId)).Select(r => r.RoleId);
+        var roleList = await context.Roles.Where(r => linkedRoles.Contains(r.Id)).ToListAsync(cancellationToken);
+        return roleList.DistinctBy(r => r.Id).ToList();
+    }
+
+    public async Task<bool> UnlinkRolesAsync(List<AuthorityRole> roles, Guid linkId, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var roleIds = roles.Select(r => r.Id).ToList();
+        context.RoleLinks.RemoveRange(context.RoleLinks.Where(rg => rg.LinkId == linkId && roleIds.Contains(rg.RoleId)));
+        var unlinkedRoles = await context.SaveChangesAsync(cancellationToken);
+        if (unlinkedRoles != 0) return true;
+        logger.LogError("Failed to remove linked roles");
+        return false;
+    }
+
+    public async Task<List<Guid>> GetRolesFromLinkAsync(Guid linkId, List<AuthorityRole> roles, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        return await context.RoleLinks.Where(r => r.LinkId == linkId && roles.Any(ar => ar.Id == r.RoleId)).Select(r => r.RoleId).ToListAsync(cancellationToken);
+    }
+}

DotBased.AspNet.Authority.EFCore/Repositories/UserRepository.cs

@@ -0,0 +1,147 @@
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Repositories;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace DotBased.AspNet.Authority.EFCore.Repositories;
+
+public class UserRepository(IDbContextFactory<AuthorityContext> contextFactory, ILogger<UserRepository> logger) : RepositoryBase, IUserRepository
+{
+    public async Task<QueryItems<AuthorityUserItem>> GetUsersAsync(int limit = 20, int offset = 0, string search = "", CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var query = context.Users.AsQueryable();
+        if (!string.IsNullOrWhiteSpace(search))
+        {
+            query = query.Where(u =>
+                $"{u.Id} {u.Name} {u.UserName} {u.EmailAddress} {u.PhoneNumber}".Contains(search,
+                    StringComparison.CurrentCultureIgnoreCase));
+        }
+        var totalCount = query.Count();
+        var selected = await query.OrderBy(u => u.UserName).Skip(offset).Take(limit).Select(u => new AuthorityUserItem()
+        {
+            Id = u.Id,
+            UserName = u.UserName,
+            EmailAddress = u.EmailAddress,
+            PhoneNumber = u.PhoneNumber
+        }).ToListAsync(cancellationToken: cancellationToken);
+        return QueryItems<AuthorityUserItem>.Create(selected, totalCount, limit, offset);
+    }
+
+    public async Task<AuthorityUser?> GetUserByIdAsync(Guid id, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        if (id == Guid.Empty)
+        {
+            throw new Exception("Id is required!");
+        }
+
+        return await context.Users.Where(u => u.Id == id).Include(u => u.Attributes).FirstOrDefaultAsync(cancellationToken: cancellationToken);
+    }
+
+    public async Task<AuthorityUser?> CreateUserAsync(AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        if (user.Id == Guid.Empty)
+        {
+            throw new Exception("User id is required!");
+        }
+        var entity = context.Users.Add(user);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0 ? entity.Entity : null;
+    }
+
+    public async Task<AuthorityUser?> UpdateUserAsync(AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var usr = await context.Users.FirstOrDefaultAsync(u => u.Id == user.Id, cancellationToken: cancellationToken);
+        if (usr == null)
+        {
+            throw new Exception("User not found!");
+        }
+
+        if (usr.Version != user.Version || usr.SecurityVersion != user.SecurityVersion)
+        {
+            throw new Exception("User does not have the correct security version!");
+        }
+            
+        var entity = context.Users.Update(user);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0 ? entity.Entity : null;
+    }
+
+    public async Task<bool> DeleteUsersAsync(List<AuthorityUser> users, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var usrIds = users.Select(u => u.Id);
+        
+        context.Users.RemoveRange(users);
+        context.RoleLinks.RemoveRange(context.RoleLinks.Where(rl => usrIds.Contains(rl.LinkId)));
+        
+        var removedResult = await context.SaveChangesAsync(cancellationToken);
+        if (removedResult != 0) return true;
+        logger.LogError("Failed to delete users");
+        return false;
+    }
+
+    public async Task<AuthorityUser?> GetUserByEmailAsync(string email, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        return await context.Users.Where(u => u.EmailAddress == email).Include(u => u.Attributes).FirstOrDefaultAsync(cancellationToken: cancellationToken);
+    }
+
+    public async Task<bool> SetVersionAsync(AuthorityUser user, long version, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var usr = await context.Users.FirstOrDefaultAsync(u => u.Id == user.Id, cancellationToken);
+        if (usr == null)
+        {
+            throw new Exception("User not found!");
+        }
+
+        if (usr.Version != user.Version)
+        {
+            throw new Exception("User does not have the correct security version!");
+        }
+            
+        usr.Version = version;
+        context.Users.Update(usr);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0;
+    }
+
+    public async Task<long> GetVersionAsync(AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var usrVersion = await context.Users.Where(u => u.Id == user.Id).Select(u => u.Version).FirstOrDefaultAsync(cancellationToken);
+        return usrVersion;
+    }
+
+    public async Task<bool> SetSecurityVersionAsync(AuthorityUser user, long securityVersion, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var usr = await context.Users.FirstOrDefaultAsync(u => u.Id == user.Id, cancellationToken);
+        if (usr == null)
+        {
+            throw new Exception("User not found!");
+        }
+
+        if (usr.SecurityVersion != user.SecurityVersion)
+        {
+            throw new Exception("User does not have the correct security version!");
+        }
+            
+        usr.SecurityVersion = securityVersion;
+        context.Users.Update(usr);
+        var saveResult = await context.SaveChangesAsync(cancellationToken);
+        return saveResult != 0;
+    }
+
+    public async Task<long> GetSecurityVersionAsync(AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+        var usrVersion = await context.Users.Where(u => u.Id == user.Id).Select(u => u.SecurityVersion).FirstOrDefaultAsync(cancellationToken);
+        return usrVersion;
+    }
+}

DotBased.AspNet.Authority/Attributes/ProtectAttribute.cs

@@ -0,0 +1,10 @@
+namespace DotBased.AspNet.Authority.Attributes;
+
+/// <summary>
+/// Indicates to protect the property before saving/loading to the repository.
+/// </summary>
+[AttributeUsage(AttributeTargets.Property)]
+public class ProtectAttribute : Attribute
+{
+    
+}

DotBased.AspNet.Authority/AuthorityBuilder.cs

@@ -0,0 +1,13 @@
+using Microsoft.Extensions.DependencyInjection;
+
+namespace DotBased.AspNet.Authority;
+
+public class AuthorityBuilder
+{
+    public AuthorityBuilder(IServiceCollection services)
+    {
+        Services = services;
+    }
+    
+    public IServiceCollection Services { get; }
+}

DotBased.AspNet.Authority/AuthorityDefaults.cs

@@ -0,0 +1,40 @@
+namespace DotBased.AspNet.Authority;
+
+public static class AuthorityDefaults
+{
+    public static class Scheme
+    {
+        public static class Authority
+        {
+            public const string AuthenticationScheme = "AuthorityLogin";
+        }
+        
+        public static class Cookie
+        {
+            public const string AuthenticationScheme = "AuthorityCookie";
+            public const string CookieName = "AuthorityAuth";
+        }
+        
+        public static class Token
+        {
+            public const string AuthenticationScheme = "AuthorityToken";
+            public const string TokenName = "AuthorityAuthToken";
+        }
+    }
+    
+    public static class Paths
+    {
+        public const string Default = "/";
+        public const string Login = "/auth/login";
+        public const string Logout = "/auth/logout";
+        public const string Challenge = "/auth/challenge";
+        public const string Forbidden = "/forbidden";
+        public const string Info = "/info";
+    }
+    
+    public static class ClaimTypes
+    {
+        public const string Attribute = "Authority.Attribute";
+        public const string AuthenticatedScheme = "Authority.Scheme.Authenticated";
+    }
+}

DotBased.AspNet.Authority/AuthorityProviderExtensions.cs

@@ -0,0 +1,97 @@
+using DotBased.AspNet.Authority.Crypto;
+using DotBased.AspNet.Authority.Handlers;
+using DotBased.AspNet.Authority.Managers;
+using DotBased.AspNet.Authority.Models.Options;
+using DotBased.AspNet.Authority.Models.Options.Auth;
+using DotBased.AspNet.Authority.Services;
+using DotBased.AspNet.Authority.Validators;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection.Extensions;
+
+namespace DotBased.AspNet.Authority;
+
+public static class AuthorityProviderExtensions
+{
+    public static AuthorityBuilder AddAuthority(this IServiceCollection services) => AddAuthority(services, _ => { });
+
+    public static AuthorityBuilder AddAuthority(this IServiceCollection services, Action<AuthorityOptions> optionsAction)
+    {
+        services.AddOptions();
+        ArgumentNullException.ThrowIfNull(optionsAction);
+        services.Configure(optionsAction);
+        
+        services.TryAddScoped<ICryptographer, Cryptographer>();
+        services.TryAddScoped<IPasswordHasher, PasswordHasher>();
+        services.TryAddScoped<IPasswordValidator, PasswordOptionsValidator>();
+        services.TryAddScoped<IPasswordValidator, PasswordEqualsValidator>();
+        services.TryAddScoped<IUserValidator, UserValidator>();
+        /*services.TryAddScoped<IEmailVerifier, EmailVerifier>();
+        services.TryAddScoped<IPhoneNumberVerifier, PhoneNumberVerifier>();
+        services.TryAddScoped<IUserVerifier, UserVerifier>();*/
+        services.TryAddScoped<AuthorityManager>();
+        
+        return new AuthorityBuilder(services);
+    }
+
+    public static AuthenticationBuilder AddAuthorityAuth(this AuthorityBuilder builder, Action<AuthorityAuthenticationOptions> configureOptions)
+    {
+        ArgumentNullException.ThrowIfNull(configureOptions);
+        builder.Services.Configure(configureOptions);
+
+        builder.Services.AddScoped<IAuthenticationService, AuthorityAuthenticationService>();
+        
+        var authorityOptions = new AuthorityAuthenticationOptions();
+        configureOptions.Invoke(authorityOptions);
+
+        var authBuilder = builder.Services.AddAuthentication(options =>
+        {
+            options.DefaultScheme = authorityOptions.DefaultScheme;
+            options.DefaultAuthenticateScheme = authorityOptions.DefaultAuthenticateScheme;
+            options.DefaultChallengeScheme = authorityOptions.DefaultChallengeScheme;
+            options.DefaultSignInScheme = authorityOptions.DefaultSignInScheme;
+            options.DefaultSignOutScheme = authorityOptions.DefaultSignOutScheme;
+            options.DefaultForbidScheme = authorityOptions.DefaultForbidScheme;
+        });
+        return authBuilder;
+    }
+
+    public static AuthenticationBuilder AddAuthorityLoginScheme(this AuthenticationBuilder builder, string scheme) =>
+        AddAuthorityLoginScheme(builder, scheme, _ => { });
+    public static AuthenticationBuilder AddAuthorityLoginScheme(this AuthenticationBuilder builder,
+        string scheme,
+        Action<AuthorityLoginOptions> configureOptions)
+    {
+        builder.AddScheme<AuthorityLoginOptions, AuthorityLoginAuthenticationHandler>(scheme, scheme, configureOptions);
+        return builder;
+    }
+
+    public static AuthenticationBuilder AddAuthorityCookie(this AuthenticationBuilder builder, string scheme)
+    {
+        builder.AddCookie(scheme, options =>
+        {
+            options.Cookie.Name = AuthorityDefaults.Scheme.Cookie.CookieName;
+            options.Cookie.Path = AuthorityDefaults.Paths.Default;
+            options.Cookie.Expiration = TimeSpan.FromDays(1);
+            options.Cookie.HttpOnly = true;
+            options.Cookie.IsEssential = true;
+            options.LoginPath = AuthorityDefaults.Paths.Login;
+            options.LogoutPath = AuthorityDefaults.Paths.Logout;
+            options.AccessDeniedPath = AuthorityDefaults.Paths.Forbidden;
+            options.SlidingExpiration = true;
+            //options.SessionStore
+        });
+        return builder;
+    }
+
+    public static AuthenticationBuilder AddAuthorityToken(this AuthenticationBuilder builder, string scheme)
+    {
+        
+        return builder;
+    }
+
+    public static AuthorityBuilder MapAuthorityEndpoints(this AuthorityBuilder builder)
+    {
+        return builder;
+    }
+}

DotBased.AspNet.Authority/Controllers/AuthorityController.cs

@@ -0,0 +1,59 @@
+using System.Text.Json;
+using DotBased.AspNet.Authority.Models.Data.System;
+using DotBased.AspNet.Authority.Services;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace DotBased.AspNet.Authority.Controllers;
+
+[ApiController]
+[Route("[controller]")]
+public class AuthorityController(IAuthenticationService authenticationService) : ControllerBase
+{
+    [HttpGet(AuthorityDefaults.Paths.Login)]
+    [AllowAnonymous]
+    public async Task<ActionResult> LoginFromSchemeAsync([FromQuery(Name = "s")] string? scheme, [FromQuery(Name = "ss")] string? sessionScheme)
+    {
+        await authenticationService.AuthenticateAsync(HttpContext, scheme);
+        return Ok();
+    }
+
+    [HttpGet(AuthorityDefaults.Paths.Challenge)]
+    [AllowAnonymous]
+    public IActionResult ChallengeLogin([FromQuery(Name = "s")] string? scheme, [FromQuery(Name = "returnUrl")] string returnUrl = "/")
+    {
+        return Challenge(scheme, returnUrl);
+    }
+
+    [HttpGet(AuthorityDefaults.Paths.Logout)]
+    public async Task<ActionResult> LogoutAsync()
+    {
+        await HttpContext.SignOutAsync();
+        return Ok();
+    }
+
+    [HttpGet(AuthorityDefaults.Paths.Info)]
+    [AllowAnonymous]
+    public async Task<ActionResult<JsonDocument>> GetAuthorityInfoAsync()
+    {
+        if (authenticationService is not AuthorityAuthenticationService authService)
+        {
+            return BadRequest();
+        }
+
+        var schemesInfos = authService.GetAllSchemeInfos();
+        
+        var info = new AuthorityInformation
+        {
+            IsAuthenticated = false,
+            SchemeInformation = new SchemeInformation
+            {
+                DefaultScheme = authService.Options.DefaultScheme ?? "Unknown",
+                AvailableSchemes = schemesInfos.ToList()
+            }
+        };
+        
+        return Ok(info);
+    }
+}

DotBased.AspNet.Authority/Crypto/Cryptographer.cs

@@ -0,0 +1,14 @@
+namespace DotBased.AspNet.Authority.Crypto;
+
+public class Cryptographer : ICryptographer
+{
+    public Task<string?> EncryptAsync(string data)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task<string?> DecryptAsync(string data)
+    {
+        throw new NotImplementedException();
+    }
+}

DotBased.AspNet.Authority/Crypto/ICryptographer.cs

@@ -0,0 +1,7 @@
+namespace DotBased.AspNet.Authority.Crypto;
+
+public interface ICryptographer
+{
+    public Task<string?> EncryptAsync(string data);
+    public Task<string?> DecryptAsync(string data);
+}

DotBased.AspNet.Authority/Crypto/IPasswordHasher.cs

@@ -0,0 +1,6 @@
+namespace DotBased.AspNet.Authority.Crypto;
+
+public interface IPasswordHasher
+{
+    public Task<string> HashPasswordAsync(string password);
+}

DotBased.AspNet.Authority/Crypto/PasswordHasher.cs

@@ -0,0 +1,9 @@
+namespace DotBased.AspNet.Authority.Crypto;
+
+public class PasswordHasher : IPasswordHasher
+{
+    public async Task<string> HashPasswordAsync(string password)
+    {
+        throw new NotImplementedException();
+    }
+}

DotBased.AspNet.Authority/DotBased.AspNet.Authority.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <FrameworkReference Include="Microsoft.AspNetCore.App" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\DotBased\DotBased.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Folder Include="Models\Security\" />
+      <Folder Include="Schemas\" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Microsoft.Extensions.Options" Version="8.0.2" />
+    </ItemGroup>
+
+</Project>

DotBased.AspNet.Authority/Handlers/AuthorityLoginAuthenticationHandler.cs

@@ -0,0 +1,102 @@
+using System.Buffers.Text;
+using System.Net.Http.Headers;
+using System.Security.Claims;
+using System.Text.Encodings.Web;
+using DotBased.AspNet.Authority.Managers;
+using DotBased.AspNet.Authority.Models.Options.Auth;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Microsoft.Extensions.Primitives;
+
+namespace DotBased.AspNet.Authority.Handlers;
+
+/// <summary>
+/// Handles authentication for Authority logins.
+/// </summary>
+public class AuthorityLoginAuthenticationHandler(IOptionsMonitor<AuthorityLoginOptions> options,
+    ILoggerFactory logger,
+    UrlEncoder encoder,
+    AuthorityManager manager) : AuthenticationHandler<AuthorityLoginOptions>(options, logger, encoder)
+{
+    // Validate credentials
+    protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
+    {
+        var authResult = GetBasicAuthorization(out var email, out var password);
+        if (authResult != null || string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password))
+        {
+            return AuthenticateResult.Fail(authResult ?? "Failed to get basic authorization from header.");
+        }
+        
+        var userResult = await manager.GetUserByEmailAsync(email);
+        if (userResult is { IsSuccess: false, Error: not null })
+        {
+            return AuthenticateResult.Fail(userResult.Error.Description);
+        }
+        var user = userResult.Value;
+        
+        var passwordValidateResult = await manager.ValidatePasswordAsync(user, password);
+        if (!passwordValidateResult.IsSuccess)
+        {
+            return AuthenticateResult.Fail(passwordValidateResult.Error?.Description ?? "Failed to validate password.");
+        }
+
+        var identityClaims = new List<Claim>();
+        var rolesResult = await manager.GetAllUserRolesAsync(user);
+        if (rolesResult.IsSuccess)
+        {
+            var roles = rolesResult.Value;
+            foreach (var authorityRole in roles)
+            {
+                identityClaims.Add(new Claim(ClaimTypes.Role, authorityRole.Name));
+            }
+        }
+        
+        var principal = new ClaimsPrincipal(new ClaimsIdentity(identityClaims, Scheme.Name));
+        var ticket = new AuthenticationTicket(principal, Scheme.Name);
+        var result = AuthenticateResult.Success(ticket);
+        return result;
+    }
+
+    private string? GetBasicAuthorization(out string? email, out string? password)
+    {
+        email = null;
+        password = null;
+        
+        if (StringValues.IsNullOrEmpty(Context.Request.Headers.Authorization))
+        {
+            return "Missing authorization header";
+        }
+
+        var basicAuth = string.Empty;
+        foreach (var authorizationValue in Context.Request.Headers.Authorization)
+        {
+            if (string.IsNullOrWhiteSpace(authorizationValue))
+            {
+                continue;
+            }
+
+            if (AuthenticationHeaderValue.TryParse(authorizationValue, out var basicAuthHeader) && !string.IsNullOrWhiteSpace(basicAuthHeader.Parameter))
+            {
+                basicAuth = basicAuthHeader.Parameter;
+            }
+        }
+
+        if (!Base64.IsValid(basicAuth))
+        {
+            return "Invalid basic authorization data!";
+        }
+        
+        var base64Auth = Convert.FromBase64String(basicAuth);
+        var decodedAuth = System.Text.Encoding.UTF8.GetString(base64Auth);
+        var parts = decodedAuth.Split(':');
+        if (parts.Length != 2)
+        {
+            return "No email and/or password found!";
+        }
+
+        email = parts[0];
+        password = parts[1];
+        return null;
+    }
+}

DotBased.AspNet.Authority/Managers/AuthorityGroupManager.cs

@@ -0,0 +1,19 @@
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.Monads;
+
+namespace DotBased.AspNet.Authority.Managers;
+
+public partial class AuthorityManager
+{
+    public async Task<Result<List<AuthorityGroup>>> GetUserGroupsAsync(AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            return await GroupRepository.GetUserGroupsAsync(user, cancellationToken);
+        }
+        catch (Exception e)
+        {
+            return e;
+        }
+    }
+}

DotBased.AspNet.Authority/Managers/AuthorityManager.cs

@@ -0,0 +1,99 @@
+using System.Reflection;
+using DotBased.AspNet.Authority.Attributes;
+using DotBased.AspNet.Authority.Crypto;
+using DotBased.AspNet.Authority.Models.Options;
+using DotBased.AspNet.Authority.Repositories;
+using DotBased.AspNet.Authority.Validators;
+using DotBased.Logging;
+using Microsoft.Extensions.Options;
+
+namespace DotBased.AspNet.Authority.Managers;
+
+public partial class AuthorityManager(
+    IOptions<AuthorityOptions> options,
+    IServiceProvider services,
+    ICryptographer cryptographer,
+    IUserRepository userRepository,
+    IGroupRepository groupRepository,
+    IRoleRepository roleRepository,
+    IPasswordHasher passwordHasher)
+{
+    private readonly ILogger _logger = LogService.RegisterLogger<AuthorityManager>();
+
+    public IServiceProvider Services { get; } = services;
+    public AuthorityOptions Options { get; } = options.Value;
+    public ICryptographer Cryptographer { get; } = cryptographer;
+
+    public IUserRepository UserRepository { get; } = userRepository;
+    public IGroupRepository GroupRepository { get; } = groupRepository;
+    public IRoleRepository RoleRepository { get; } = roleRepository;
+
+    public IPasswordHasher PasswordHasher { get; } = passwordHasher;
+
+    public IEnumerable<IPasswordValidator> PasswordValidators { get; } = [];
+    public IEnumerable<IUserValidator> UserValidators { get; } = [];
+
+
+    public long GenerateVersion() => DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+    
+
+    /// <summary>
+    /// Protect or unprotect the properties with the <see cref="ProtectAttribute"/>
+    /// </summary>
+    /// <param name="data">The data model</param>
+    /// <param name="protection">True for protect false for unprotect.</param>
+    /// <typeparam name="TModel">The class with the properties to protect.</typeparam>
+    public async Task HandlePropertyProtection<TModel>(TModel data, bool protection)
+    {
+        var props = GetProtectedPropertiesValues(data);
+        if (props.Count == 0)
+        {
+            return;
+        }
+
+        var handledProperties = 0;
+        foreach (var property in props)
+        {
+            if (property.PropertyType != typeof(string))
+            {
+                _logger.Warning("Property({PropName}) with type: {PropType} detected, encrypting only supports strings! Skipping property!", property.Name, property.PropertyType);
+                continue;
+            }
+
+            string? cryptString;
+            if (protection)
+            {
+                cryptString = await Cryptographer.EncryptAsync(property.GetValue(data)?.ToString() ?? string.Empty);
+            }
+            else
+            {
+                cryptString = await Cryptographer.DecryptAsync(property.GetValue(data)?.ToString() ?? string.Empty);
+            }
+            
+            if (cryptString == null)
+            {
+                _logger.Warning("{Protection} failed for property {PropName}", protection ? "Encryption" : "Decryption", property.Name);
+                continue;
+            }
+            property.SetValue(data, cryptString);
+            handledProperties++;
+        }
+        _logger.Debug("{HandledPropCount}/{TotalPropCount} protection properties handled!", handledProperties, props.Count);
+    }
+
+    public bool IsPropertyProtected<TModel>(string propertyName)
+    {
+        var protectedProperties = GetProtectedProperties<TModel>();
+        var propertyFound = protectedProperties.Where(propInfo => propInfo.Name == propertyName);
+        return propertyFound.Any();
+    }
+
+    public List<PropertyInfo> GetProtectedPropertiesValues<TModel>(TModel model)
+    {
+        var protectedProperties = GetProtectedProperties<TModel>();
+        return protectedProperties.Count != 0 ? protectedProperties : [];
+    }
+
+    public List<PropertyInfo> GetProtectedProperties<TModel>()
+        => typeof(TModel).GetProperties().Where(p => Attribute.IsDefined(p, typeof(ProtectAttribute))).ToList();
+}

DotBased.AspNet.Authority/Managers/AuthorityRoleManager.cs

@@ -0,0 +1,138 @@
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.Monads;
+
+namespace DotBased.AspNet.Authority.Managers;
+
+public partial class AuthorityManager
+{
+    public async Task<Result<AuthorityRole>> CreateRoleAsync(AuthorityRole role, CancellationToken cancellationToken = default)
+    {
+        role.Version = GenerateVersion();
+        var createResult = await RoleRepository.CreateRoleAsync(role, cancellationToken);
+        if (createResult == null)
+        {
+            return ResultError.Fail("Failed to create new role.");
+        }
+
+        return createResult;
+    }
+
+    public async Task<Result> DeleteRolesAsync(List<AuthorityRole> roles, CancellationToken cancellationToken = default)
+    {
+        var success = await RoleRepository.DeleteRolesAsync(roles, cancellationToken);
+        return success ? Result.Success() : ResultError.Fail("Failed to delete roles.");
+    }
+
+    public async Task<Result<AuthorityRole>> UpdateRoleAsync(AuthorityRole role, CancellationToken cancellationToken = default)
+    {
+        var result = await RoleRepository.UpdateRoleAsync(role, cancellationToken);
+        if (result == null)
+        {
+            return ResultError.Fail("Failed to update role.");
+        }
+
+        return result;
+    }
+
+    public async Task<Result<QueryItems<AuthorityRoleItem>>> GetRolesAsync(int limit = 20, int offset = 0, string search = "", CancellationToken cancellationToken = default)
+    {
+        var searchResult = await RoleRepository.GetRolesAsync(limit, offset, search, cancellationToken);
+        return searchResult;
+    }
+
+    public async Task<Result> AddRolesToUserAsync(List<AuthorityRole> roles, AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        var usrValidation = await IsValidUserAsync(user, cancellationToken);
+        if (!usrValidation.IsSuccess)
+        {
+            return usrValidation;
+        }
+        
+        var linkedRoles = await RoleRepository.GetRolesFromLinkAsync(user.Id, roles, cancellationToken);
+
+        var rolesToAdd = roles;
+        if (linkedRoles.Count != 0)
+        {
+            rolesToAdd = roles.Where(r => !linkedRoles.Contains(r.Id)).ToList();
+        }
+
+        var addSuccess = await RoleRepository.AddRolesLinkAsync(rolesToAdd, user.Id, cancellationToken);
+        
+        return addSuccess ? Result.Success() : ResultError.Fail("Failed to add roles.");
+    }
+
+    public async Task<Result> RemoveRolesFromUserAsync(List<AuthorityRole> roles, AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        var usrValidation = await IsValidUserAsync(user, cancellationToken);
+        if (!usrValidation.IsSuccess)
+        {
+            return usrValidation;
+        }
+        
+        var linkedRoles = await RoleRepository.GetRolesFromLinkAsync(user.Id, roles, cancellationToken);
+
+        var rolesToRemove = roles;
+        if (linkedRoles.Count != 0)
+        {
+            rolesToRemove = roles.Where(r => !linkedRoles.Contains(r.Id)).ToList();
+        }
+        
+        var removeResult = await RoleRepository.UnlinkRolesAsync(rolesToRemove, user.Id, cancellationToken);
+        return removeResult ? Result.Success() : ResultError.Fail("Failed to remove roles.");
+    }
+
+    public async Task<Result> AddRolesToGroupAsync(List<AuthorityRole> roles, AuthorityGroup group, CancellationToken cancellationToken = default)
+    {
+        var linkedRoles = await RoleRepository.GetRolesFromLinkAsync(group.Id, roles, cancellationToken);
+        
+        var rolesToAdd = roles;
+        if (linkedRoles.Count != 0)
+        {
+            rolesToAdd = roles.Where(r => !linkedRoles.Contains(r.Id)).ToList();
+        }
+        
+        var linkResult = await RoleRepository.AddRolesLinkAsync(rolesToAdd, group.Id, cancellationToken);
+        return linkResult ? Result.Success() : ResultError.Fail("Failed to add roles.");
+    }
+    
+    public async Task<Result<List<AuthorityRole>>> GetAllUserRolesAsync(AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            var usrValidation = await IsValidUserAsync(user, cancellationToken);
+            if (!usrValidation.IsSuccess)
+            {
+                return usrValidation.Error ?? ResultError.Fail("User validation failed.");
+            }
+
+            var searchIds = new List<Guid> { user.Id };
+
+            var usrGroups = await GetUserGroupsAsync(user, cancellationToken);
+            if (usrGroups.IsSuccess)
+            {
+                searchIds.AddRange(usrGroups.Value.Select(g => g.Id).ToList());
+            }
+
+            var linkedRolesResult = await RoleRepository.GetLinkedRolesAsync(searchIds, cancellationToken);
+            return linkedRolesResult;
+        }
+        catch (Exception e)
+        {
+            return e;
+        }
+    }
+
+    public async Task<Result<List<AuthorityRole>>> GetGroupRolesAsync(List<Guid> groupIds, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            var linkedRolesResult = await RoleRepository.GetLinkedRolesAsync(groupIds, cancellationToken);
+            return linkedRolesResult;
+        }
+        catch (Exception e)
+        {
+            return e;
+        }
+    }
+}

DotBased.AspNet.Authority/Managers/AuthorityUserManager.cs

@@ -0,0 +1,129 @@
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Models.Validation;
+using DotBased.AspNet.Authority.Monads;
+using DotBased.Monads;
+
+namespace DotBased.AspNet.Authority.Managers;
+
+public partial class AuthorityManager
+{
+    public async Task<ValidationResult> ValidatePasswordAsync(AuthorityUser user, string password)
+    {
+        List<ValidationError> errors = [];
+        foreach (var validator in PasswordValidators)
+        {
+            var validatorResult = await validator.ValidatePasswordAsync(this, user, password);
+            if (!validatorResult.IsSuccess)
+            {
+                errors.AddRange(validatorResult.ValidationErrors);
+            }
+        }
+        return errors.Count > 0 ? ValidationResult.Fail(errors) : ValidationResult.Success();
+    }
+
+    public async Task<ValidationResult> ValidateUserAsync(AuthorityUser user)
+    {
+        List<ValidationError> errors = [];
+        foreach (var userValidator in UserValidators)
+        {
+            var validationResult = await userValidator.ValidateUserAsync(this, user);
+            if (!validationResult.IsSuccess)
+            {
+                errors.AddRange(validationResult.ValidationErrors);
+            }
+        }
+        return errors.Count > 0 ? ValidationResult.Fail(errors) : ValidationResult.Success();
+    }
+
+    public async Task<Result<AuthorityUser>> GetUserByEmailAsync(string email)
+    {
+        if (string.IsNullOrEmpty(email))
+        {
+            return ResultError.Fail("No email given.");
+        }
+
+        var user = await userRepository.GetUserByEmailAsync(email);
+        if (user == null)
+        {
+            return ResultError.Fail("No user found with given email.");
+        }
+
+        return user;
+    }
+
+    public async Task<Result<QueryItems<AuthorityUserItem>>> SearchUsersAsync(string query, int maxResults = 20, int offset = 0, CancellationToken cancellationToken = default)
+    {
+        var result = await UserRepository.GetUsersAsync(maxResults, offset, query, cancellationToken);
+        return result;
+    }
+
+    public async Task<AuthorityResult<AuthorityUser>> UpdatePasswordAsync(AuthorityUser user, string password, CancellationToken cancellationToken = default)
+    {
+        var passwordValidation = await ValidatePasswordAsync(user, password);
+        if (!passwordValidation.IsSuccess)
+        {
+            return passwordValidation.ValidationErrors.ToList();
+        }
+
+        user.PasswordHash = await PasswordHasher.HashPasswordAsync(password);
+        user.SecurityVersion = GenerateVersion();
+
+        var updateResult = await UserRepository.UpdateUserAsync(user, cancellationToken);
+        if (updateResult == null)
+        {
+            return ResultError.Fail("Failed to update user password.");
+        }
+
+        return updateResult;
+    }
+
+    public async Task<AuthorityResult<AuthorityUser>> CreateUserAsync(AuthorityUser userModel, string password, CancellationToken cancellationToken = default)
+    {
+        var userValidation = await ValidateUserAsync(userModel);
+        var passwordValidation = await ValidatePasswordAsync(userModel, password);
+        if (!userValidation.IsSuccess || !passwordValidation.IsSuccess)
+        {
+            List<ValidationError> errors = [];
+            errors.AddRange(userValidation.ValidationErrors);
+            errors.AddRange(passwordValidation.ValidationErrors);
+            return errors;
+        }
+        
+        userModel.Version = GenerateVersion();
+        userModel.SecurityVersion = GenerateVersion();
+        var hashedPassword = await PasswordHasher.HashPasswordAsync(password);
+        userModel.PasswordHash = hashedPassword;
+
+        var userCreationResult = await UserRepository.CreateUserAsync(userModel, cancellationToken);
+        if (userCreationResult == null)
+        {
+            return ResultError.Fail("Failed to create user.");
+        }
+
+        return userCreationResult;
+    }
+
+    public async Task<Result<AuthorityUser>> UpdateUserAsync(AuthorityUser model, CancellationToken cancellationToken = default)
+    {
+        var updateResult = await UserRepository.UpdateUserAsync(model, cancellationToken);
+        if (updateResult == null)
+        {
+            return ResultError.Fail("Failed to update user.");
+        }
+
+        return updateResult;
+    }
+
+    public async Task<Result> DeleteUserAsync(AuthorityUser model, CancellationToken cancellationToken = default)
+    {
+        var deleteResult = await UserRepository.DeleteUsersAsync([model], cancellationToken);
+        return deleteResult ? Result.Success() : ResultError.Fail("Failed to delete user.");
+    }
+
+    public async Task<Result> IsValidUserAsync(AuthorityUser user, CancellationToken cancellationToken = default)
+    {
+        var usrResult = await UserRepository.GetVersionAsync(user, cancellationToken);
+        return usrResult == 0 ? ResultError.Fail("Invalid user version detected.") : Result.Success();
+    }
+}

DotBased.AspNet.Authority/Models/Authority/AuthorityAttribute.cs

@@ -0,0 +1,14 @@
+namespace DotBased.AspNet.Authority.Models.Authority;
+
+public class AuthorityAttribute(string attributeKey, Guid foreignKey)
+{
+    public Guid ForeignKey { get; set; } = foreignKey;
+    
+    public string AttributeKey { get; set; } = attributeKey;
+
+    public string AttributeValue { get; set; } = string.Empty;
+    
+    public string? Type { get; set; }
+
+    public long Version { get; set; }
+}

DotBased.AspNet.Authority/Models/Authority/AuthorityAttributeItem.cs

@@ -0,0 +1,10 @@
+namespace DotBased.AspNet.Authority.Models.Authority;
+
+public class AuthorityAttributeItem
+{
+    public Guid BoundId { get; set; }
+    
+    public string AttributeKey { get; set; } = string.Empty;
+
+    public string AttributeValue { get; set; } = string.Empty;
+}

DotBased.AspNet.Authority/Models/Authority/AuthorityGroup.cs

@@ -0,0 +1,18 @@
+namespace DotBased.AspNet.Authority.Models.Authority;
+
+public class AuthorityGroup()
+{
+    public AuthorityGroup(string name) : this()
+    {
+        Name = name;
+    }
+
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    public string? Name { get; set; }
+
+    public long Version { get; set; }
+    
+    public DateTime CreatedDate { get; set; } = DateTime.Now;
+    public ICollection<AuthorityAttribute> Attributes { get; set; } = [];
+}

DotBased.AspNet.Authority/Models/Authority/AuthorityGroupItem.cs

@@ -0,0 +1,8 @@
+namespace DotBased.AspNet.Authority.Models.Authority;
+
+public class AuthorityGroupItem
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    public string? Name { get; set; }
+}

DotBased.AspNet.Authority/Models/Authority/AuthorityRole.cs

@@ -0,0 +1,21 @@
+namespace DotBased.AspNet.Authority.Models.Authority;
+
+public class AuthorityRole()
+{
+    public AuthorityRole(string name) : this()
+    {
+        Name = name;
+    }
+
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    public string Name { get; set; } = string.Empty;
+
+    public long Version { get; set; }
+
+    public DateTime CreatedDate { get; set; } = DateTime.Now;
+
+    public IEnumerable<AuthorityAttribute> Attributes { get; set; } = [];
+
+    public override string ToString() => Name;
+}

DotBased.AspNet.Authority/Models/Authority/AuthorityRoleItem.cs

@@ -0,0 +1,8 @@
+namespace DotBased.AspNet.Authority.Models.Authority;
+
+public class AuthorityRoleItem
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    public string? Name { get; set; }
+}

DotBased.AspNet.Authority/Models/Authority/AuthorityUser.cs

@@ -0,0 +1,60 @@
+using System.Text;
+using DotBased.AspNet.Authority.Attributes;
+
+namespace DotBased.AspNet.Authority.Models.Authority;
+
+public class AuthorityUser()
+{
+    public AuthorityUser(string userName) : this()
+    {
+        UserName = userName;
+    }
+
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    public bool Enabled { get; set; }
+    
+    public bool Confirmed { get; set; }
+    
+    public bool Locked { get; set; }
+
+    public DateTime LockedDate { get; set; }
+
+    public string UserName { get; set; } = string.Empty;
+
+    public string Name { get; set; } = string.Empty;
+
+    public string? PasswordHash { get; set; }
+    
+    public DateTime CreatedDate { get; set; } = DateTime.Now;
+
+    public bool TwoFactorEnabled { get; set; }
+
+    public long Version { get; set; }
+
+    public long SecurityVersion { get; set; }
+    
+    [Protect]
+    public string? EmailAddress { get; set; }
+
+    public bool EmailConfirmed { get; set; }
+
+    [Protect]
+    public string? PhoneNumber { get; set; }
+
+    public bool PhoneNumberConfirmed { get; set; }
+
+    public ICollection<AuthorityAttribute> Attributes { get; set; } = [];
+
+    public override string ToString()
+    {
+        var strBuilder = new StringBuilder();
+        strBuilder.Append(!string.IsNullOrWhiteSpace(Name) ? Name : UserName);
+
+        if (string.IsNullOrWhiteSpace(EmailAddress)) return strBuilder.ToString();
+        
+        strBuilder.Append(strBuilder.Length == 0 ? EmailAddress : $" ({EmailAddress})");
+
+        return strBuilder.ToString();
+    }
+}

DotBased.AspNet.Authority/Models/Authority/AuthorityUserItem.cs

@@ -0,0 +1,9 @@
+namespace DotBased.AspNet.Authority.Models.Authority;
+
+public class AuthorityUserItem
+{
+    public Guid Id { get; set; }
+    public string UserName { get; set; } = string.Empty;
+    public string? EmailAddress { get; set; } = string.Empty;
+    public string? PhoneNumber { get; set; } = string.Empty;
+}

DotBased.AspNet.Authority/Models/Data/Auth/AuthenticationSessionType.cs

@@ -0,0 +1,7 @@
+namespace DotBased.AspNet.Authority.Models.Data.Auth;
+
+public class AuthenticationSessionType
+{
+    public string Id { get; set; } = string.Empty;
+    public string Description { get; set; } = string.Empty;
+}

DotBased.AspNet.Authority/Models/Data/Auth/AuthenticationType.cs

@@ -0,0 +1,16 @@
+namespace DotBased.AspNet.Authority.Models.Data.Auth;
+
+public class AuthenticationType
+{
+    public string Id { get; set; } = string.Empty;
+    public string Name { get; set; } = string.Empty;
+    public string Provider { get; set; } = string.Empty;
+    public bool Redirects { get; set; }
+    public AuthenticationTypePaths Paths { get; set; } = new();
+}
+
+public class AuthenticationTypePaths
+{
+    public string Login { get; set; } = string.Empty;
+    public string Logout { get; set; } = string.Empty;
+}

DotBased.AspNet.Authority/Models/Data/System/AuthorityInformation.cs

@@ -0,0 +1,25 @@
+using DotBased.AspNet.Authority.Models.Data.Auth;
+using DotBased.AspNet.Authority.Models.Options.Auth;
+
+namespace DotBased.AspNet.Authority.Models.Data.System;
+
+public class AuthorityInformation
+{
+    public string ServerName { get; set; } = "Authority.Server";
+    public bool IsAuthenticated { get; set; }
+    public List<AuthenticationType> AuthenticationTypes { get; set; } = [];
+    public List<AuthenticationSessionType> SessionTypes { get; set; } = [];
+    public SchemeInformation? SchemeInformation { get; set; }
+    public AuthenticatedInformation? AuthenticatedInformation { get; set; }
+}
+
+public class SchemeInformation
+{
+    public string? DefaultScheme { get; set; }
+    public List<SchemeInfo> AvailableSchemes { get; set; } = [];
+}
+
+public class AuthenticatedInformation
+{
+    public string? AuthenticatedScheme { get; set; }
+}

DotBased.AspNet.Authority/Models/Options/Auth/AuthenticationSecurityOptions.cs

@@ -0,0 +1,14 @@
+namespace DotBased.AspNet.Authority.Models.Options.Auth;
+
+public class AuthenticationSecurityOptions
+{
+    public SecurityMode SecurityMode { get; set; } = SecurityMode.Normal;
+    public List<string> AllowedLoginMethods { get; set; } = ["*"];
+}
+
+public enum SecurityMode
+{
+    Loose = 0,
+    Normal = 1,
+    Strict = 2
+}

DotBased.AspNet.Authority/Models/Options/Auth/AuthorityAuthenticationOptions.cs

@@ -0,0 +1,32 @@
+namespace DotBased.AspNet.Authority.Models.Options.Auth;
+
+public class AuthorityAuthenticationOptions
+{
+    public AuthenticationSecurityOptions Security { get; set; } = new AuthenticationSecurityOptions();
+    public SessionOptions Session { get; set; } = new SessionOptions();
+    public string DefaultScheme { get; set; } = string.Empty;
+    public string DefaultAuthenticateScheme { get; set; } = string.Empty;
+    public string DefaultChallengeScheme { get; set; } = string.Empty;
+    public string DefaultForbidScheme { get; set; } = string.Empty;
+    public string DefaultSignInScheme { get; set; } = string.Empty;
+    public string DefaultSignOutScheme { get; set; } = string.Empty;
+    /// <summary>
+    /// List of schemes that the Authority application will support to authenticate against.
+    /// </summary>
+    public List<SchemeInfo> SchemeInfoMap { get; set; } = [];
+}
+
+public class SchemeInfo
+{
+    public string Scheme { get; set; } = string.Empty;
+    public string Description { get; set; } = string.Empty;
+    public SchemeType Type { get; set; }
+    public string AuthenticationType { get; set; } = string.Empty;
+    public string? Endpoint { get; set; }
+}
+
+public enum SchemeType
+{
+    Authentication,
+    SessionStore
+}

DotBased.AspNet.Authority/Models/Options/Auth/AuthorityLoginOptions.cs

@@ -0,0 +1,8 @@
+using Microsoft.AspNetCore.Authentication;
+
+namespace DotBased.AspNet.Authority.Models.Options.Auth;
+
+public class AuthorityLoginOptions : AuthenticationSchemeOptions
+{
+    
+}

DotBased.AspNet.Authority/Models/Options/Auth/SessionOptions.cs

@@ -0,0 +1,6 @@
+namespace DotBased.AspNet.Authority.Models.Options.Auth;
+
+public class SessionOptions
+{
+    public TimeSpan RefreshInterval { get; set; } = TimeSpan.FromMinutes(30);
+}

DotBased.AspNet.Authority/Models/Options/AuthorityOptions.cs

@@ -0,0 +1,11 @@
+namespace DotBased.AspNet.Authority.Models.Options;
+
+public class AuthorityOptions
+{
+    public LockdownOptions Lockdown { get; set; } = new();
+    public LockoutOptions Lockout { get; set; } = new();
+    public PasswordOptions Password { get; set; } = new();
+    public ProviderOptions Provider { get; set; } = new();
+    public RepositoryOptions Repository { get; set; } = new();
+    public UserOptions User { get; set; } = new();
+}

DotBased.AspNet.Authority/Models/Options/ListOption.cs

@@ -0,0 +1,7 @@
+namespace DotBased.AspNet.Authority.Models.Options;
+
+public enum ListOption
+{
+    Blacklist,
+    Whitelist
+}

DotBased.AspNet.Authority/Models/Options/LockdownOptions.cs

@@ -0,0 +1,6 @@
+namespace DotBased.AspNet.Authority.Models.Options;
+
+public class LockdownOptions
+{
+    public bool EnableLockout { get; set; }
+}

DotBased.AspNet.Authority/Models/Options/LockoutOptions.cs

@@ -0,0 +1,8 @@
+namespace DotBased.AspNet.Authority.Models.Options;
+
+public class LockoutOptions
+{
+    public bool EnableLockout { get; set; } = true;
+    public int FailedAttempts { get; set; } = 3;
+    public TimeSpan LockoutTimeout { get; set; } = TimeSpan.FromMinutes(30);
+}

DotBased.AspNet.Authority/Models/Options/PasswordOptions.cs

@@ -0,0 +1,14 @@
+namespace DotBased.AspNet.Authority.Models.Options;
+
+public class PasswordOptions
+{
+    public int RequiredLength { get; set; } = 10;
+    public int MinimalUniqueChars { get; set; } = 1;
+    public bool RequireLowercase { get; set; }
+    public bool RequireUppercase { get; set; }
+    public bool RequireDigit { get; set; }
+    public bool RequireNonAlphanumeric { get; set; }
+
+    public List<string> PasswordBlackList { get; set; } = ["password", "1234"];
+    public StringComparer PasswordBlackListComparer { get; set; } = StringComparer.OrdinalIgnoreCase;
+}

DotBased.AspNet.Authority/Models/Options/ProviderOptions.cs

@@ -0,0 +1,6 @@
+namespace DotBased.AspNet.Authority.Models.Options;
+
+public class ProviderOptions
+{
+    
+}

DotBased.AspNet.Authority/Models/Options/RepositoryOptions.cs

@@ -0,0 +1,10 @@
+namespace DotBased.AspNet.Authority.Models.Options;
+
+public class RepositoryOptions
+{
+    /// <summary>
+    /// Use data encryption when a property has the <see cref="DotBased.AspNet.Authority.Attributes.ProtectAttribute"/> defined.
+    /// <value>Default: true</value>
+    /// </summary>
+    public bool UseDataProtection { get; set; } = true;
+}

DotBased.AspNet.Authority/Models/Options/SignInOptions.cs

@@ -0,0 +1,8 @@
+namespace DotBased.AspNet.Authority.Models.Options;
+
+public class SignInOptions
+{
+    public bool RequireVerifiedEmail { get; set; }
+    public bool RequireVerifiedPhoneNumber { get; set; }
+    public bool RequireConfirmedAccount { get; set; }
+}

DotBased.AspNet.Authority/Models/Options/UserOptions.cs

@@ -0,0 +1,12 @@
+namespace DotBased.AspNet.Authority.Models.Options;
+
+public class UserOptions
+{
+    public bool EnableRegister { get; set; }
+    public bool RequireUniqueEmail { get; set; }
+    public string UserNameCharacters { get; set; } = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._@";
+    public ListOption UserNameCharacterListType { get; set; } = ListOption.Whitelist;
+
+    public List<string> UserNameBlackList { get; set; } = ["admin", "administrator", "dev", "developer"];
+    public StringComparer UserNameBlackListComparer { get; set; } = StringComparer.OrdinalIgnoreCase;
+}

DotBased.AspNet.Authority/Models/QueryItems.cs

@@ -0,0 +1,21 @@
+namespace DotBased.AspNet.Authority.Models;
+
+public class QueryItems<TItem>
+{
+    private QueryItems(IEnumerable<TItem> items, int totalCount, int limit, int offset)
+    {
+        Items = items.ToList();
+        TotalCount = totalCount;
+        Limit = limit;
+        Offset = offset;
+    }
+    
+    public readonly IReadOnlyCollection<TItem> Items;
+
+    public int Count => Items.Count;
+    public int TotalCount { get; }
+    public int Limit { get; }
+    public int Offset { get; }
+
+    public static QueryItems<TItem> Create(IEnumerable<TItem> items, int totalCount, int limit, int offset) => new(items, totalCount, limit, offset);
+}

DotBased.AspNet.Authority/Models/Validation/ValidationError.cs

@@ -0,0 +1,24 @@
+namespace DotBased.AspNet.Authority.Models.Validation;
+
+public class ValidationError
+{
+    public ValidationError(string validator, string errorCode, string description)
+    {
+        Validator = validator;
+        ErrorCode = errorCode;
+        Description = description;
+    }
+    
+    /// <summary>
+    /// The validator name that generated this error.
+    /// </summary>
+    public string Validator { get; }
+    /// <summary>
+    /// The error code
+    /// </summary>
+    public string ErrorCode { get; }
+    /// <summary>
+    /// Error description
+    /// </summary>
+    public string Description { get; }
+}

DotBased.AspNet.Authority/Monads/AuthorityResult.cs

@@ -0,0 +1,40 @@
+using DotBased.AspNet.Authority.Models.Validation;
+using DotBased.Monads;
+
+namespace DotBased.AspNet.Authority.Monads;
+
+public class AuthorityResult<TResult> : Result<TResult>
+{
+    protected AuthorityResult(TResult result) : base(result)
+    {
+    }
+
+    protected AuthorityResult(Exception exception) : base(exception)
+    {
+    }
+
+    protected AuthorityResult(ResultError error) : base(error)
+    {
+    }
+
+    protected AuthorityResult(List<ValidationError> validationErrors) : base(ResultError.Fail("Validation failed!"))
+    {
+        _validationErrors = validationErrors;
+    }
+
+    private readonly List<ValidationError> _validationErrors = [];
+    public IReadOnlyList<ValidationError> ValidationErrors => _validationErrors;
+
+    public static implicit operator AuthorityResult<TResult>(TResult result) => new(result);
+    public static implicit operator AuthorityResult<TResult>(Exception exception) => new(exception);
+    public static implicit operator AuthorityResult<TResult>(ResultError error) => new(error);
+    public static implicit operator AuthorityResult<TResult>(List<ValidationError> validationErrors) => new(validationErrors);
+
+    public static AuthorityResult<TResult> FromResult(Result<TResult> result)
+    {
+        var authorityResult = result.Match<AuthorityResult<TResult>>(
+            r => new AuthorityResult<TResult>(r),
+            error => new AuthorityResult<TResult>(error));
+        return authorityResult;
+    }
+}

DotBased.AspNet.Authority/Monads/ValidationResult.cs

@@ -0,0 +1,43 @@
+using DotBased.AspNet.Authority.Models.Validation;
+using DotBased.Monads;
+
+namespace DotBased.AspNet.Authority.Monads;
+
+public class ValidationResult : Result
+{
+    private ValidationResult()
+    {
+    }
+
+    private ValidationResult(Exception exception) : base(exception)
+    {
+    }
+
+    private ValidationResult(ResultError error) : base(error)
+    {
+    }
+
+    private ValidationResult(List<ValidationError> validationErrors) : base(ResultError.Fail("Validation failed!"))
+    {
+        _validationErrors = validationErrors;
+    }
+
+    private readonly List<ValidationError> _validationErrors = [];
+    public IReadOnlyList<ValidationError> ValidationErrors => _validationErrors;
+    
+    
+    public static implicit operator ValidationResult(Exception exception) => new(exception);
+    public static implicit operator ValidationResult(ResultError error) => new(error);
+    public static implicit operator ValidationResult(List<ValidationError> validationErrors) => new(validationErrors);
+
+    public static ValidationResult FromResult(Result result)
+    {
+        var validationResult = result.Match<ValidationResult>(
+            () => new ValidationResult(),
+            error => new ValidationResult(error));
+        return validationResult;
+    }
+
+    public new static ValidationResult Success() => new();
+    public static ValidationResult Fail(List<ValidationError> validationErrors) => new(validationErrors);
+}

DotBased.AspNet.Authority/Repositories/IAttributeRepository.cs

@@ -0,0 +1,13 @@
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+
+namespace DotBased.AspNet.Authority.Repositories;
+
+public interface IAttributeRepository
+{
+    public Task<QueryItems<AuthorityAttributeItem>> GetAttributesAsync(int limit = 20, int offset = 0, string search = "", CancellationToken cancellationToken = default);
+    public Task<AuthorityAttribute?> GetAttributeByKeyAsync(string id, CancellationToken cancellationToken = default);
+    public Task<AuthorityAttribute?> CreateAttributeAsync(AuthorityAttribute attribute, CancellationToken cancellationToken = default);
+    public Task<AuthorityAttribute?> UpdateAttributeAsync(AuthorityAttribute attribute, CancellationToken cancellationToken = default);
+    public Task<bool> DeleteAttributeAsync(AuthorityAttribute attribute, CancellationToken cancellationToken = default);
+}

DotBased.AspNet.Authority/Repositories/IGroupRepository.cs

@@ -0,0 +1,15 @@
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+
+namespace DotBased.AspNet.Authority.Repositories;
+
+public interface IGroupRepository
+{
+    public Task<QueryItems<AuthorityGroupItem>> GetGroupsAsync(int limit = 20, int offset = 0, string search = "", CancellationToken cancellationToken = default);
+    public Task<AuthorityGroup?> GetGroupByIdAsync(string id, CancellationToken cancellationToken = default);
+    public Task<bool> AddUsersToGroupAsync(List<AuthorityUser> users, AuthorityGroup group, CancellationToken cancellationToken = default);
+    public Task<List<AuthorityGroup>> GetUserGroupsAsync(AuthorityUser user, CancellationToken cancellationToken = default);
+    public Task<AuthorityGroup?> CreateGroupAsync(AuthorityGroup group, CancellationToken cancellationToken = default);
+    public Task<AuthorityGroup?> UpdateGroupAsync(AuthorityGroup group, CancellationToken cancellationToken = default);
+    public Task<bool> DeleteGroupsAsync(List<AuthorityGroup> groups, CancellationToken cancellationToken = default);
+}

DotBased.AspNet.Authority/Repositories/IRoleRepository.cs

@@ -0,0 +1,25 @@
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+
+namespace DotBased.AspNet.Authority.Repositories;
+
+public interface IRoleRepository
+{
+    public Task<QueryItems<AuthorityRoleItem>> GetRolesAsync(int limit = 20, int offset = 0, string search = "", CancellationToken cancellationToken = default);
+    public Task<AuthorityRole?> GetRoleByIdAsync(Guid id, CancellationToken cancellationToken = default);
+    public Task<AuthorityRole?> CreateRoleAsync(AuthorityRole role, CancellationToken cancellationToken = default);
+    public Task<AuthorityRole?> UpdateRoleAsync(AuthorityRole role, CancellationToken cancellationToken = default);
+    public Task<bool> DeleteRolesAsync(List<AuthorityRole> roles, CancellationToken cancellationToken = default);
+    public Task<bool> AddRolesLinkAsync(List<AuthorityRole> roles, Guid linkId, CancellationToken cancellationToken = default);
+    public Task<List<AuthorityRole>> GetLinkedRolesAsync(List<Guid> linkIds, CancellationToken cancellationToken = default);
+    public Task<bool> UnlinkRolesAsync(List<AuthorityRole> roles, Guid linkId, CancellationToken cancellationToken = default);
+    
+    /// <summary>
+    /// Return the role ids the linkId has.
+    /// </summary>
+    /// <param name="linkId"></param>
+    /// <param name="roles"></param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    public Task<List<Guid>> GetRolesFromLinkAsync(Guid linkId, List<AuthorityRole> roles, CancellationToken cancellationToken = default);
+}

DotBased.AspNet.Authority/Repositories/IUserRepository.cs

@@ -0,0 +1,18 @@
+using DotBased.AspNet.Authority.Models;
+using DotBased.AspNet.Authority.Models.Authority;
+
+namespace DotBased.AspNet.Authority.Repositories;
+
+public interface IUserRepository
+{
+    public Task<QueryItems<AuthorityUserItem>> GetUsersAsync(int limit = 20, int offset = 0, string search = "", CancellationToken cancellationToken = default);
+    public Task<AuthorityUser?> GetUserByIdAsync(Guid id, CancellationToken cancellationToken = default);
+    public Task<AuthorityUser?> CreateUserAsync(AuthorityUser user, CancellationToken cancellationToken = default);
+    public Task<AuthorityUser?> UpdateUserAsync(AuthorityUser user, CancellationToken cancellationToken = default);
+    public Task<bool> DeleteUsersAsync(List<AuthorityUser> users, CancellationToken cancellationToken = default);
+    public Task<AuthorityUser?> GetUserByEmailAsync(string email, CancellationToken cancellationToken = default);
+    public Task<bool> SetVersionAsync(AuthorityUser user, long version, CancellationToken cancellationToken = default);
+    public Task<long> GetVersionAsync(AuthorityUser user, CancellationToken cancellationToken = default);
+    public Task<bool> SetSecurityVersionAsync(AuthorityUser user, long securityVersion, CancellationToken cancellationToken = default);
+    public Task<long> GetSecurityVersionAsync(AuthorityUser user, CancellationToken cancellationToken = default);
+}

DotBased.AspNet.Authority/Services/AuthorityAuthenticationService.cs

@@ -0,0 +1,56 @@
+using System.Security.Claims;
+using DotBased.AspNet.Authority.Models.Options.Auth;
+using DotBased.Logging;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Options;
+
+namespace DotBased.AspNet.Authority.Services;
+
+public class AuthorityAuthenticationService(
+    IAuthenticationSchemeProvider schemes,
+    IAuthenticationHandlerProvider handlers,
+    IClaimsTransformation transform,
+    IOptions<AuthenticationOptions> options,
+    IOptions<AuthorityAuthenticationOptions> authorityOptions) : AuthenticationService(schemes, handlers, transform, options)
+{
+    private readonly ILogger _logger = LogService.RegisterLogger(typeof(AuthorityAuthenticationService));
+    private readonly AuthorityAuthenticationOptions _options = authorityOptions.Value;
+    
+    public IReadOnlyCollection<SchemeInfo> GetSchemeInfos(SchemeType schemeType) => _options.SchemeInfoMap.Where(s => s.Type == schemeType).ToList();
+    public IReadOnlyCollection<SchemeInfo> GetAllSchemeInfos() => _options.SchemeInfoMap;
+
+    // Validate credentials
+    // Used internally by ASP.NET Core to determine if a user is authenticated. Can also be called manually to inspect authentication status.
+    public override Task<AuthenticateResult> AuthenticateAsync(HttpContext context, string? scheme)
+    {
+        return base.AuthenticateAsync(context, scheme);
+    }
+
+    // Trigger login - Redirects to provider (OIDC, etc.)
+    // Used when access to a resource requires authentication, but the user has not provided valid credentials.
+    public override Task ChallengeAsync(HttpContext context, string? scheme, AuthenticationProperties? properties)
+    {
+        return base.ChallengeAsync(context, scheme, properties);
+    }
+
+    // Log user in, set cookie/token
+    // Called after successfully validating user credentials (e.g., after login form submission), to establish an authenticated session.
+    public override Task SignInAsync(HttpContext context, string? scheme, ClaimsPrincipal principal, AuthenticationProperties? properties)
+    {
+        return base.SignInAsync(context, scheme, principal, properties);
+    }
+
+    // Log out user and end auth session, remove cookie/token
+    public override Task SignOutAsync(HttpContext context, string? scheme, AuthenticationProperties? properties)
+    {
+        return base.SignOutAsync(context, scheme, properties);
+    }
+
+    // Deny access, return 403/return forbid page
+    // Used when a user is authenticated but lacks required roles/claims/permissions.
+    public override Task ForbidAsync(HttpContext context, string? scheme, AuthenticationProperties? properties)
+    {
+        return base.ForbidAsync(context, scheme, properties);
+    }
+}

DotBased.AspNet.Authority/Validators/IPasswordValidator.cs

@@ -0,0 +1,10 @@
+using DotBased.AspNet.Authority.Managers;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Monads;
+
+namespace DotBased.AspNet.Authority.Validators;
+
+public interface IPasswordValidator
+{
+    public Task<ValidationResult> ValidatePasswordAsync(AuthorityManager manager, AuthorityUser user, string password);
+}

DotBased.AspNet.Authority/Validators/IUserValidator.cs

@@ -0,0 +1,10 @@
+using DotBased.AspNet.Authority.Managers;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Monads;
+
+namespace DotBased.AspNet.Authority.Validators;
+
+public interface IUserValidator
+{
+    public Task<ValidationResult> ValidateUserAsync(AuthorityManager manager, AuthorityUser user);
+}

DotBased.AspNet.Authority/Validators/PasswordEqualsValidator.cs

@@ -0,0 +1,23 @@
+using DotBased.AspNet.Authority.Managers;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Models.Validation;
+using DotBased.AspNet.Authority.Monads;
+
+namespace DotBased.AspNet.Authority.Validators;
+
+public class PasswordEqualsValidator : IPasswordValidator
+{
+    private const string ValidatorId = "Authority.Validator.Password.Equals";
+    private const string ValidationBase = "Authority.Validation.Password";
+    public async Task<ValidationResult> ValidatePasswordAsync(AuthorityManager userManager, AuthorityUser user, string password)
+    {
+        List<ValidationError> errors = [];
+        var hashedPassword = await userManager.PasswordHasher.HashPasswordAsync(password);
+        if (user.PasswordHash != null && user.PasswordHash.Equals(hashedPassword, StringComparison.Ordinal))
+        {
+            errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.InUse", "User uses this password already!"));
+        }
+
+        return errors.Count > 0 ? ValidationResult.Fail(errors) : ValidationResult.Success();
+    }
+}

DotBased.AspNet.Authority/Validators/PasswordOptionsValidator.cs

@@ -0,0 +1,67 @@
+using DotBased.AspNet.Authority.Managers;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Models.Validation;
+using DotBased.AspNet.Authority.Monads;
+using DotBased.Extensions;
+
+namespace DotBased.AspNet.Authority.Validators;
+
+/// <summary>
+/// Validates the password against the options that is configured.
+/// </summary>
+public class PasswordOptionsValidator : IPasswordValidator
+{
+    private const string ValidatorId = "Authority.Validator.Password.Options";
+    private const string ValidationBase = "Authority.Validation.Password";
+    
+    public async Task<ValidationResult> ValidatePasswordAsync(AuthorityManager userManager, AuthorityUser user, string password)
+    {
+        if (userManager == null)
+        {
+            throw new ArgumentNullException(nameof(userManager), "User manager is not provided!");
+        }
+        var passwordOptions = userManager.Options.Password;
+        var errors = new List<ValidationError>();
+        
+        if (password.IsNullOrEmpty() || password.Length < passwordOptions.RequiredLength)
+        {
+            errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.Required.Length", $"Password needs to have a minimum length of {passwordOptions.RequiredLength}"));
+        }
+
+        if (passwordOptions.RequireDigit && !ContainsDigit(password))
+        {
+            errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.Required.Digit", "Password must contain a digit!"));
+        }
+
+        if (passwordOptions.RequireNonAlphanumeric && ContainsNonAlphanumeric(password))
+        {
+            errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.Required.NonAlphanumeric", "Password must contain a non alphanumeric character."));
+        }
+
+        if (passwordOptions.RequireLowercase && password.Any(char.IsLower))
+        {
+            errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.Required.Lowercase", "Password must contains at least one lowercase character."));
+        }
+
+        if (passwordOptions.RequireUppercase && password.Any(char.IsUpper))
+        {
+            errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.Required.Uppercase", "Password must contains at least one uppercase character."));
+        }
+        
+        if (passwordOptions.PasswordBlackList.Count != 0 && passwordOptions.PasswordBlackList.Contains(password, passwordOptions.PasswordBlackListComparer))
+        {
+            errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.Blacklisted", "Given password is not allowed (blacklisted)"));
+        }
+
+        if (passwordOptions.MinimalUniqueChars > 0 && password.Distinct().Count() < passwordOptions.MinimalUniqueChars)
+        {
+            errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.UniqueChars", $"Password must contain at least {passwordOptions.MinimalUniqueChars} unique chars."));
+        }
+
+        return await Task.FromResult(errors.Count > 0 ? ValidationResult.Fail(errors) : ValidationResult.Success());
+    }
+
+    private bool ContainsDigit(string strVal) => strVal.Any(char.IsDigit);
+
+    private bool ContainsNonAlphanumeric(string strVal) => !strVal.Any(char.IsLetterOrDigit);
+}

DotBased.AspNet.Authority/Validators/UserValidator.cs

@@ -0,0 +1,82 @@
+using DotBased.AspNet.Authority.Managers;
+using DotBased.AspNet.Authority.Models.Authority;
+using DotBased.AspNet.Authority.Models.Options;
+using DotBased.AspNet.Authority.Models.Validation;
+using ValidationResult = DotBased.AspNet.Authority.Monads.ValidationResult;
+
+namespace DotBased.AspNet.Authority.Validators;
+
+public class UserValidator : IUserValidator
+{
+    private const string ValidatorId = "Authority.Validator.User";
+    private const string ValidationBase = "Authority.Validation.User";
+
+    public async Task<ValidationResult> ValidateUserAsync(AuthorityManager manager, AuthorityUser user)
+    {
+        List<ValidationError> errors = [];
+
+        var userOptions = manager.Options.User;
+
+        if (userOptions.RequireUniqueEmail)
+        {
+            if (string.IsNullOrWhiteSpace(user.EmailAddress))
+            {
+                errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.NoEmail",
+                    $"Option {nameof(UserOptions.RequireUniqueEmail)} is set to true but given user does not have an email address!"));
+            }
+            else
+            {
+                var userEmailResult = await manager.UserRepository.GetUserByEmailAsync(user.EmailAddress);
+                if (userEmailResult != null)
+                {
+                    errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.EmailExists",
+                        "Given email has already registered an account!"));
+                }
+            }
+        }
+
+        if (!string.IsNullOrWhiteSpace(user.UserName))
+        {
+            if (userOptions.UserNameBlackList.Count != 0 && userOptions.UserNameBlackList.Contains(user.UserName, userOptions.UserNameBlackListComparer))
+            {
+                errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.Blacklisted", "Given username is not allowed (blacklisted)"));
+            }
+
+            if (!string.IsNullOrWhiteSpace(userOptions.UserNameCharacters))
+            {
+                List<char> chars = [];
+                if (userOptions.UserNameCharacterListType == ListOption.Whitelist)
+                {
+                    chars.AddRange(user.UserName.Where(userNameChar => !userOptions.UserNameCharacters.Contains(userNameChar)));
+                }
+                if (userOptions.UserNameCharacterListType == ListOption.Blacklist)
+                {
+                    chars.AddRange(user.UserName.Where(userNameChar => userOptions.UserNameCharacters.Contains(userNameChar)));
+                }
+
+                if (chars.Count <= 0) return errors.Count > 0 ? ValidationResult.Fail(errors) : ValidationResult.Success();
+                var errorCode = "";
+                var description = "";
+                switch (userOptions.UserNameCharacterListType)
+                {
+                    case ListOption.Whitelist:
+                        errorCode = "CharactersNotOnWhitelist";
+                        description = $"Found characters in username that were not on the whitelist! Chars: [{string.Join(',', chars)}]";
+                        break;
+                    case ListOption.Blacklist:
+                        errorCode = "CharactersOnBlacklist";
+                        description = $"Found characters in username that are on the blacklist! Chars: [{string.Join(',', chars)}]";
+                        break;
+                }
+
+                errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.UserName.{errorCode}", description));
+            }
+        }
+        else
+        {
+            errors.Add(new ValidationError(ValidatorId, $"{ValidationBase}.InvalidUserName", "No username given!"));
+        }
+
+        return errors.Count > 0 ? ValidationResult.Fail(errors) : ValidationResult.Success();
+    }
+}

DotBased.AspNet.Authority/Verifiers/IEmailVerifier.cs

@@ -0,0 +1,6 @@
+namespace DotBased.AspNet.Authority.Verifiers;
+
+public interface IEmailVerifier
+{
+    
+}

DotBased.AspNet.Authority/Verifiers/IPhoneNumberVerifier.cs

@@ -0,0 +1,6 @@
+namespace DotBased.AspNet.Authority.Verifiers;
+
+public interface IPhoneNumberVerifier
+{
+    
+}

DotBased.AspNet.Authority/Verifiers/IUserVerifier.cs

@@ -0,0 +1,6 @@
+namespace DotBased.AspNet.Authority.Verifiers;
+
+public interface IUserVerifier
+{
+    
+}

DotBased.sln

@@ -16,6 +16,12 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestWebApi", "TestWebApi\Te
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Blazor.Wasm", "Blazor.Wasm\Blazor.Wasm.csproj", "{AC8343A5-7953-4E1D-A926-406BE4D7E819}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "AspNet", "AspNet", "{624E7B11-8A18-46E5-AB1F-6AF6097F9D4D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DotBased.AspNet.Authority", "DotBased.AspNet.Authority\DotBased.AspNet.Authority.csproj", "{A3ADC9AF-39B7-4EC4-8022-946118A8C322}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DotBased.AspNet.Authority.EFCore", "DotBased.AspNet.Authority.EFCore\DotBased.AspNet.Authority.EFCore.csproj", "{F1F3F60B-911F-4036-8A2B-CEC18A8F59DD}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -46,11 +52,22 @@ Global
 		{AC8343A5-7953-4E1D-A926-406BE4D7E819}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AC8343A5-7953-4E1D-A926-406BE4D7E819}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{AC8343A5-7953-4E1D-A926-406BE4D7E819}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A3ADC9AF-39B7-4EC4-8022-946118A8C322}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A3ADC9AF-39B7-4EC4-8022-946118A8C322}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A3ADC9AF-39B7-4EC4-8022-946118A8C322}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A3ADC9AF-39B7-4EC4-8022-946118A8C322}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F1F3F60B-911F-4036-8A2B-CEC18A8F59DD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F1F3F60B-911F-4036-8A2B-CEC18A8F59DD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F1F3F60B-911F-4036-8A2B-CEC18A8F59DD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F1F3F60B-911F-4036-8A2B-CEC18A8F59DD}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{EBBDAF9A-BFC7-4BDC-8C51-0501B59A1DDC} = {2156FB93-C252-4B33-8A0C-73C82FABB163}
 		{D4D9B584-A524-4CBB-9B61-9CD65ED4AF0D} = {2156FB93-C252-4B33-8A0C-73C82FABB163}
 		{BADA4BAF-142B-47A8-95FC-B25E1D3D0020} = {DBDB4538-85D4-45AC-9E0A-A684467AEABA}
 		{AC8343A5-7953-4E1D-A926-406BE4D7E819} = {DBDB4538-85D4-45AC-9E0A-A684467AEABA}
+		{624E7B11-8A18-46E5-AB1F-6AF6097F9D4D} = {2156FB93-C252-4B33-8A0C-73C82FABB163}
+		{A3ADC9AF-39B7-4EC4-8022-946118A8C322} = {624E7B11-8A18-46E5-AB1F-6AF6097F9D4D}
+		{F1F3F60B-911F-4036-8A2B-CEC18A8F59DD} = {624E7B11-8A18-46E5-AB1F-6AF6097F9D4D}
 	EndGlobalSection
 EndGlobal

DotBased/Utilities/Culture.cs

@@ -5,9 +5,9 @@ namespace DotBased.Utilities;
 
 public static class Culture
 {
-    private static List<CultureInfo> _sysCultures = [];
+    private static List<CultureInfo> _sysCultures = new List<CultureInfo>();
-    private static readonly Dictionary<string, RegionInfo> Regions = new();
+    private static Dictionary<string, RegionInfo> _regions = new Dictionary<string, RegionInfo>();
-    private static readonly ILogger Logger = LogService.RegisterLogger(typeof(Culture));
+    private static readonly ILogger _logger = LogService.RegisterLogger(typeof(Culture));
 
     /// <summary>
     /// Get all system known cultures.
@@ -16,7 +16,7 @@ public static class Culture
     /// <returns>The list with <see cref="CultureInfo"/>'s the system knows</returns>
     public static IEnumerable<CultureInfo> GetSystemCultures()
     {
-        Logger.Debug("Getting system cultures...");
+        _logger.Debug("Getting system cultures...");
         if (_sysCultures.Count == 0)
             _sysCultures = CultureInfo.GetCultures(CultureTypes.AllCultures).ToList();
         return _sysCultures;
@@ -29,16 +29,16 @@ public static class Culture
     /// <returns>A list with regions from the system</returns>
     public static Dictionary<string, RegionInfo> GetRegions()
     {
-        if (Regions.Count == 0)
+        if (_regions.Count == 0)
         {
             var cultureInfos = GetSystemCultures().Where(cul => !cul.IsNeutralCulture).Where(cul => cul.LCID != 0x7F);
             foreach (var culture in cultureInfos)
             {
                 var region = new RegionInfo(culture.Name);
-                Regions.Add(culture.Name, region);
+                _regions.Add(culture.Name, region);
             }
         }
-        return Regions;
+        return _regions;
     }
 
     /// <summary>
@@ -52,7 +52,7 @@ public static class Culture
                 _sysCultures.Clear();
                 break;
             case CacheType.Region:
-                Regions.Clear();
+                _regions.Clear();
                 break;
             default:
                 throw new ArgumentOutOfRangeException(nameof(type), type, null);

DotBased/Utilities/Suffix.cs

@@ -12,30 +12,29 @@ public static class Suffix
     /// Converts the bytes to the memory suffix.
     /// </summary>
     /// <param name="bytes">The bytes to convert</param>
-    /// <param name="decimalPlaces">How manny decimal places will be placed</param>
+    /// <param name="decimalPlaces">How manay decimal places will be placed</param>
     /// <returns>The suffixed bytes in the correct format</returns>
     public static string BytesToSizeSuffix(long bytes, int decimalPlaces = 1)
     {
-        if (decimalPlaces < 0) decimalPlaces = 1;
+        if (decimalPlaces < 0)
-
+            decimalPlaces = 1;
-        if (bytes == 0)
+        switch (bytes)
-            return $"{0.ToString($"N{decimalPlaces}")} bytes";
-
-        var negative = bytes < 0;
-        var absBytes = (ulong)(negative ? -bytes : bytes);
-
-        var mag = (int)Math.Log(absBytes, 1024);
-        var adjustedSize = absBytes / Math.Pow(1024, mag);
-
-        if (Math.Round(adjustedSize, decimalPlaces) >= 1000 && mag < SizeSuffixes.Length - 1)
         {
-            mag++;
+            case < 0:
-            adjustedSize /= 1024;
+                return "-" + BytesToSizeSuffix(-bytes, decimalPlaces);
+            case 0:
+                return string.Format("{0:n" + decimalPlaces + "} bytes", 0);
         }
 
-        var format = $"N{decimalPlaces}";
+        int mag = (int)Math.Log(bytes, 1024);
-        var result = $"{adjustedSize.ToString(format)} {SizeSuffixes[mag]}";
 
-        return negative ? "-" + result : result;
+        decimal adjustedSize = (decimal)bytes / (1L << (mag * 10));
+
+        if (Math.Round(adjustedSize, decimalPlaces) >= 1000)
+        {
+            mag += 1;
+            adjustedSize /= 1024;
+        }
+        return string.Format("{0:n" + decimalPlaces + "} {1}", adjustedSize, SizeSuffixes[mag]);
     }
 }

TestWebApi/Controllers/WeatherController.cs

@@ -0,0 +1,35 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace TestWebApi.Controllers;
+
+[ApiController]
+[Route("[controller]")]
+[Authorize]
+public class WeatherController : ControllerBase
+{
+    private readonly string[] _summaries =
+    [
+        "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+    ];
+    
+    [HttpGet("GetWeatherForecast")]
+    public async Task<ActionResult<List<WeatherForecast>>> GetForecast()
+    {
+        var forecast = Enumerable.Range(1, 5).Select(index =>
+                new WeatherForecast
+                (
+                    DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
+                    Random.Shared.Next(-20, 55),
+                    _summaries[Random.Shared.Next(_summaries.Length)]
+                ))
+            .ToList();
+        await Task.Delay(TimeSpan.FromSeconds(1));
+        return forecast;
+    }
+    
+    public record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
+    {
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+    }
+}