❔ What is the appropriate way to confirm User ID for API

Hi folks,

I'm creating a WebApi to go alongside my front-end. Each call to my controller and related service has the

[Authorize]

[Authorize]

attribute so I know that a user has to be authorized before accessing the data.

My query is regarding the retrieval of the UserID to get the user-specific data from my database.

This is what I have currently:

cs 
[Authorize]
public class CategoryService : ICategoryService
{
    private readonly DataDbContext        _context;
    private readonly IHttpContextAccessor _httpContextAccessor;
    
    private readonly string? _userId;

    public CategoryService(DataDbContext context, IHttpContextAccessor httpContextAccessor)
    {
        _context = context;
        _httpContextAccessor = httpContextAccessor;
        
        _userId = _httpContextAccessor.HttpContext?.User.FindFirstValue(ClaimTypes.NameIdentifier);
    }
    
    public async Task<List<CategoryDTO>> GetAll()
    {
        return await _context.Categories.Where( c => c.UserId == _userId ).Select( c => new CategoryDTO()
            {
            Id = c.Id,
            Name = c.Name
            } ).ToListAsync();
    }

cs 
[Authorize]
public class CategoryService : ICategoryService
{
    private readonly DataDbContext        _context;
    private readonly IHttpContextAccessor _httpContextAccessor;
    
    private readonly string? _userId;

    public CategoryService(DataDbContext context, IHttpContextAccessor httpContextAccessor)
    {
        _context = context;
        _httpContextAccessor = httpContextAccessor;
        
        _userId = _httpContextAccessor.HttpContext?.User.FindFirstValue(ClaimTypes.NameIdentifier);
    }
    
    public async Task<List<CategoryDTO>> GetAll()
    {
        return await _context.Categories.Where( c => c.UserId == _userId ).Select( c => new CategoryDTO()
            {
            Id = c.Id,
            Name = c.Name
            } ).ToListAsync();
    }

Is this an acceptable and importantly safe way to do it? I'm fairly new to Authorization/Authentication so trying to create a portflio worthy project without any glaringly obvious security flaws.

TIA

❔ What is the appropriate way to confirm User ID for API

Hi folks,

I'm creating a WebApi to go alongside my front-end. Each call to my controller and related service has the

[Authorize]

[Authorize]

cs 
[Authorize]
public class CategoryService : ICategoryService
{
    private readonly DataDbContext        _context;
    private readonly IHttpContextAccessor _httpContextAccessor;
    
    private readonly string? _userId;

    public CategoryService(DataDbContext context, IHttpContextAccessor httpContextAccessor)
    {
        _context = context;
        _httpContextAccessor = httpContextAccessor;
        
        _userId = _httpContextAccessor.HttpContext?.User.FindFirstValue(ClaimTypes.NameIdentifier);
    }
    
    public async Task<List<CategoryDTO>> GetAll()
    {
        return await _context.Categories.Where( c => c.UserId == _userId ).Select( c => new CategoryDTO()
            {
            Id = c.Id,
            Name = c.Name
            } ).ToListAsync();
    }

cs 
[Authorize]
public class CategoryService : ICategoryService
{
    private readonly DataDbContext        _context;
    private readonly IHttpContextAccessor _httpContextAccessor;
    
    private readonly string? _userId;

    public CategoryService(DataDbContext context, IHttpContextAccessor httpContextAccessor)
    {
        _context = context;
        _httpContextAccessor = httpContextAccessor;
        
        _userId = _httpContextAccessor.HttpContext?.User.FindFirstValue(ClaimTypes.NameIdentifier);
    }
    
    public async Task<List<CategoryDTO>> GetAll()
    {
        return await _context.Categories.Where( c => c.UserId == _userId ).Select( c => new CategoryDTO()
            {
            Id = c.Id,
            Name = c.Name
            } ).ToListAsync();
    }

❔ What is the appropriate way to confirm User ID for API

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