/// <summary>
/// Initializes a new instance of the <see cref="IdentityService"/> class.
/// </summary>
/// <param name="loggerFactory">A factory to create loggers from.</param>
/// <param name="identifierValidationService">Provides validation logic for client-provided identifiers.</param>
/// <param name="passwordValidationService">Provides validation logic for client-provided passwords.</param>
/// <param name="passwordHashingService">The password hashing service.</param>
/// <param name="identityRepository">A repository of identities.</param>
public IdentityService(ILoggerFactory loggerFactory,
RoleService roleService,
IdentifierValidationService identifierValidationService,
PasswordValidationService passwordValidationService,
PasswordHashingService passwordHashingService,
IIdentityRepository identityRepository,
IIdentityRoleRepository identityRoleRepository)
{
Logger = loggerFactory.CreateLogger <IdentityService>();
IdentifierValidationService = identifierValidationService;
PasswordValidationService = passwordValidationService;
PasswordHashingService = passwordHashingService;
IdentityRepository = identityRepository;
IdentityRoleRepository = identityRoleRepository;
RoleService = roleService;
}
/// <summary>
/// Creates a new identity.
/// </summary>
/// <param name="identifier">The unique user-chosen identifier with this identity.</param>
/// <param name="password">The as-of-yet unhashed password of this identity.</param>
/// <returns></returns>
/// <exception cref="EntityAlreadyExsistsException">Identity</exception>
public async Task <Identity> CreateIdentity(string identifier, string password)
{
// Validate identifier format and availability
IdentifierValidationService.Validate(identifier);
if ((await IdentityRepository.GetIdentity(identifier)) != null)
{
throw new EntityAlreadyExsistsException("Identity", identifier);
}
// Validate client-provided password
PasswordValidationService.Validate(password);
// Hash password and create new identity
(string hash, byte[] salt) = PasswordHashingService.HashAndSaltPassword(password);
return(await IdentityRepository.CreateIdentity(identifier, hash, salt));
}