/// <summary>
/// Create identity from a cookie data
/// </summary>
/// <param name="cookieString">String stored in cookie, created via ToJson method</param>
/// <returns>Instance of identity</returns>
public static ICustomIdentity FromJson(string cookieString)
{
try
{
if (string.IsNullOrEmpty(cookieString))
{
return(null);
}
IdentityRepresentation serializedIdentity = null;
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes(cookieString)))
{
DataContractJsonSerializer jsonSerializer =
new DataContractJsonSerializer(typeof(IdentityRepresentation));
serializedIdentity = jsonSerializer.ReadObject(stream) as IdentityRepresentation;
}
CustomIdentity identity = new CustomIdentity()
{
IsAuthenticated = serializedIdentity.IsAuthenticated,
Name = serializedIdentity.Name,
Roles = serializedIdentity.Roles
.Split(new string[] { "|" }, StringSplitOptions.RemoveEmptyEntries),
Id = serializedIdentity.ID
};
return(identity);
}
catch
{
return(null);
}
}
/// <summary>
/// Create serialized string for storing in a cookie
/// </summary>
/// <returns>String representation of identity</returns>
public string ToJson()
{
string returnValue = string.Empty;
IdentityRepresentation representation = new IdentityRepresentation()
{
IsAuthenticated = this.IsAuthenticated,
Name = this.Name,
Roles = string.Join("|", this.Roles),
ID = this.Id
};
DataContractJsonSerializer jsonSerializer =
new DataContractJsonSerializer(typeof(IdentityRepresentation));
using (MemoryStream stream = new MemoryStream())
{
jsonSerializer.WriteObject(stream, representation);
stream.Flush();
byte[] json = stream.ToArray();
returnValue = Encoding.UTF8.GetString(json, 0, json.Length);
}
return(returnValue);
}
