//Создание токена
private string GenerateJSONWebToken(User user)
{
var securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes("Jwt:Keyqwertyuytrewertyuiqwe"));
var credintalis = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
var claims = new[] {
new Claim(JwtRegisteredClaimNames.Email, user.Email),
new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
new Claim(ClaimTypes.Role, user.Role)
};
var token = new JwtSecurityToken(
issuer: "Jwt:Issuer",
audience: "Jwt:Issuer",
claims,
expires: DateTime.Now.AddHours(24),
signingCredentials: credintalis);
string encodetoken = new JwtSecurityTokenHandler().WriteToken(token);
string token_return = encodetoken.Substring(encodetoken.LastIndexOf('.') + 1);
return(token_return);
}