// Generate JWT [JSON Web Token]
public static string GetToken(_VUser user)
{
var config = GetService <IConfiguration>();
// get the secret string
var secret = GetSecretKey();
// hashing the secret string
var creds = new SigningCredentials(secret, SecurityAlgorithms.HmacSha256);
// get the token Lifetime in hours
int hours = config.GetValue <int>("JWT:Lifetime");
// get all user properties excluding any [Type = Collection]
// then return new Collection<Claims> [ holding KeyValue pair of each User Property ]
var claims = user.GetProperties()
.Where(property => !property.PropertyType.FullName.Contains("Collections"))
.Select(property => new Claim(property.Name, (property.GetValue(user) != null) ? property.GetValue(user).ToString() : ""));
// Create Token with Token Options
var token = new JwtSecurityToken(
issuer: config.GetValue <string>("JWT:Issuer"),
audience: config.GetValue <string>("JWT:Audience"),
claims: claims,
expires: DateTime.UtcNow.AddHours(hours),
signingCredentials: creds);
// finally return the Token String
return(new JwtSecurityTokenHandler().WriteToken(token));
}
// Read accessToken Claims and convert it to its Type [VUser]
public static _VUser ToVUser(string accessToken)
{
// get claims from the access token string
IEnumerable <Claim> claims = new JwtSecurityTokenHandler().ReadJwtToken(accessToken).Claims;
_VUser vUser = new _VUser();
// get all vUser Propperties
var props = vUser.GetProperties();
// loop through vUser props and set each prop value with the corresponding claim value
foreach (var prop in props)
{
vUser.SetValue(prop.Name, claims.FirstOrDefault(c => c.Type == prop.Name).Value);
}
// finally return the fulfilled vUser object
return(vUser);
}
