[C#]DropBox開發系列 - 使用DropNet進行DropBox的二次登入

			return;
		}
		
		...
		if (DoOAuth(callbackUrl, cancelCallbackUrl, size) == DialogResult.OK)
		{
			var accessToken = m_DropNetClient.GetAccessToken();
			Properties.Settings.Default.SECRET = accessToken.Secret;
			Properties.Settings.Default.TOKEN = accessToken.Token;
			Properties.Settings.Default.Save();
		}</pre></div>

namespace DropNetDemo { public partial class Form1 : Form { #region Var private DropNetClient _dropNetClient; #endregion

	#region Private Property
	private DropNetClient m_DropNetClient
	{
		get
		{
			return _dropNetClient ?? (_dropNetClient = new DropNetClient(tbxAppKey.Text, tbxAppSecret.Text));
		}
		set
		{
			_dropNetClient = value;
		}
	}
	#endregion

	public Form1()
	{
		InitializeComponent();
	}

	private void SetSecretAndToken(string secret, string token)
	{
		Settings.Default.SECRET = secret;
		Settings.Default.TOKEN = token;
	}

	private void btnLogin_Click(object sender, EventArgs e)
	{
		if (!String.IsNullOrEmpty(Properties.Settings.Default.SECRET) && !String.IsNullOrEmpty(Properties.Settings.Default.TOKEN))
		{
			m_DropNetClient.UserLogin = new UserLogin() 
			{
				Secret = Properties.Settings.Default.SECRET,
				Token = Properties.Settings.Default.TOKEN
			};
			return;
		}

		var callbackUrl = "https://www.dropbox.com/1/oauth/authorize";
		var cancelCallbackUrl = "https://www.dropbox.com/home";
		var size = new Size(1024, 600);

		if (DoOAuth(callbackUrl, cancelCallbackUrl, size) == DialogResult.OK)
		{
			var accessToken = m_DropNetClient.GetAccessToken();
			Properties.Settings.Default.SECRET = accessToken.Secret;
			Properties.Settings.Default.TOKEN = accessToken.Token;
			Properties.Settings.Default.Save();
		}
	}

	private DialogResult DoOAuth(string callbackUrl, string cancelCallbackUrl, System.Drawing.Size size)
	{
		using (var dialog = new Form())
		{
			var browesr = new WebBrowser()
			{
				Dock = DockStyle.Fill
			};

			var token = m_DropNetClient.GetToken();
			var authUrl = m_DropNetClient.BuildAuthorizeUrl();
			browesr.Navigated += (s, ex) =>
			{
				var url = ex.Url.ToString();
				if (url.Equals(callbackUrl))
				{
					dialog.DialogResult = DialogResult.OK;
				}
				else if (url.Equals(cancelCallbackUrl))
				{
					dialog.DialogResult = DialogResult.Cancel;
				}
			};
			browesr.Navigate(authUrl);

			dialog.Size = size;
			dialog.Controls.Add(browesr);

			return dialog.ShowDialog();
		}
	}

	private void tbxAppKey_TextChanged(object sender, EventArgs e)
	{
		m_DropNetClient = null;
	}
}

}

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