private async Task <string> GenerateJwtTokenAsync(string email, User user)
{
if (!_jwtOptions.IsValid())
{
throw new Exception("Missing JWT configurations.");
}
var claims = new List <Claim>
{
new Claim(JwtRegisteredClaimNames.Sub, email),
new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
new Claim(ClaimTypes.NameIdentifier, user.Id.ToString())
};
var roles = await _userManager.GetRolesAsync(user);
claims.AddRange(roles.Select(role => new Claim(ClaimsIdentity.DefaultRoleClaimType, role)));
var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_jwtOptions.Key));
var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
var expires = DateTime.Now.AddDays(_jwtOptions.ExpireDays);
var token = new JwtSecurityToken(
_jwtOptions.Issuer,
_jwtOptions.Issuer,
claims,
expires: expires,
signingCredentials: creds
);
return(new JwtSecurityTokenHandler().WriteToken(token));
}
