xenadmin/XenModel/StorageLinkAPI/CowleyLegacy/StorageLinkCredentials.cs

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using XenAdmin;
using XenAdmin.Network;
using System.Net;

namespace XenAPI
{
    public class StorageLinkCredentials
    {
        public string Host { get; private set; }
        public string Username { get; private set; }
        private string _password;
        public string PasswordSecret { get; private set; }
        private readonly IXenConnection _connection;

        public StorageLinkCredentials(IXenConnection connection, string host, string username, string password, string passwordSecret)
        {
            Util.ThrowIfParameterNull(connection, "connection");

            Host = host;
            Username = username;
            _password = password;
            PasswordSecret = passwordSecret;
            _connection = connection;
        }

        public string Password
        {
            get
            {
                if (_password != null)
                {
                    return _password;
                }
                
                var session = _connection.Session;

                if (session != null && !string.IsNullOrEmpty(PasswordSecret))
                {
                    try
                    {
                        string secretRef = Secret.get_by_uuid(session, PasswordSecret);
                        _password = Secret.get_value(session, secretRef);
                        return _password;
                    }
                    catch (Failure)
                    {
                    }
                    catch (WebException)
                    {
                    }
                }
                return null;
            }
        }

        /// <summary>
        /// Sets the password. This is done by setting the value of the password-secret stored in the credentials.
        /// </summary>
        /// <param name="password">The new password.</param>
        public void SetPassword(string password)
        {
            Util.ThrowIfParameterNull(password, "password");

            var session = _connection.Session;
            
            if (session != null)
            {
                string secretRef = Secret.get_by_uuid(session, PasswordSecret);
                Secret.set_value(_connection.Session, secretRef, password);
            }
        }

        public bool IsValid
        {
            get
            {
                return !string.IsNullOrEmpty(Host) && !string.IsNullOrEmpty(Username) && !string.IsNullOrEmpty(PasswordSecret);
            }
        }
    }
}