private void OnLogOutPageLoaded(object sender, HtmlDocumentLoadCompleted args)
{
_web.LoadCompleted -= OnLogOutPageLoaded;
MitbbsWebSessionEventArgs logOutCompleteArgs = new MitbbsWebSessionEventArgs();
logOutCompleteArgs.Success = false;
if (args.Document != null)
{
IsLoggedIn = false;
logOutCompleteArgs.Success = true;
}
IsConnecting = false;
if (LogOutCompleted != null)
{
LogOutCompleted(this, logOutCompleteArgs);
}
}
private void OnLogInStartPageLoaded(object sender, HtmlDocumentLoadCompleted args)
{
_web.LoadCompleted -= OnLogInStartPageLoaded;
if ((args.Document != null) && (_web.FormElements.ContainsKey("id")))
{
_web.FormElements["id"] = _username;
_web.FormElements["pwd"] = _password;
_web.LoadCompleted += OnLogInPageLoaded;
_web.LoadAsync(App.Settings.BuildUrl(_logInPageUrl), HtmlWeb.OpenMode.Post);
}
else
{
MitbbsWebSessionEventArgs logInCompleteArgs = new MitbbsWebSessionEventArgs();
logInCompleteArgs.Success = false;
if ((args.Document != null))
{
IEnumerable<HtmlNode> textNodes = args.Document.DocumentNode.Descendants("#text");
foreach (HtmlNode textNode in textNodes)
{
if (HtmlUtilities.GetPlainHtmlText(textNode.InnerText) == "您已经登录!")
{
// Already logged in
//
logInCompleteArgs.Success = true;
IsLoggedIn = true;
break;
}
}
}
IsConnecting = false;
if (!IsLoggedIn)
{
if (_retries <= 0)
{
MessageBoxResult result = MessageBox.Show("需要再重试一次吗？", "[" + _username + "]用户登录失败", MessageBoxButton.OKCancel);
if (result == MessageBoxResult.OK)
{
StartLogIn(_username, _password);
return;
}
}
else
{
StartLogIn(_username, _password, _retries - 1);
return;
}
}
if (LogInCompleted != null)
{
LogInCompleted(this, logInCompleteArgs);
}
}
}
public void StartLogOut()
{
if (IsConnecting)
{
MitbbsWebSessionEventArgs logOutCompleteArgs = new MitbbsWebSessionEventArgs();
logOutCompleteArgs.Success = false;
if (LogOutCompleted != null)
{
LogOutCompleted(this, logOutCompleteArgs);
}
return;
}
IsConnecting = true;
IsLoggedIn = false;
_web.LoadCompleted += OnLogOutPageLoaded;
_web.LoadAsync(App.Settings.BuildUrl(_logOutPageUrl));
}
private void OnLogInPageLoaded(object sender, HtmlDocumentLoadCompleted args)
{
_web.LoadCompleted -= OnLogInPageLoaded;
MitbbsWebSessionEventArgs logInCompleteArgs = new MitbbsWebSessionEventArgs();
logInCompleteArgs.Success = false;
if (args.Document != null)
{
IEnumerable<HtmlNode> titleNodes = args.Document.DocumentNode.Descendants("title");
foreach (HtmlNode titleNode in titleNodes)
{
String title = HtmlUtilities.GetPlainHtmlText(titleNode.InnerText);
if (title.EndsWith("家页"))
{
logInCompleteArgs.Success = true;
IsLoggedIn = true;
break;
}
}
}
else
{
logInCompleteArgs.Error = args.Error;
}
IsConnecting = false;
if (!IsLoggedIn)
{
if (_retries <= 0)
{
MessageBoxResult result = MessageBox.Show("需要再重试一次吗？", "[" + _username + "]用户登录失败", MessageBoxButton.OKCancel);
if (result == MessageBoxResult.OK)
{
StartLogIn(_username, _password);
return;
}
}
else
{
StartLogIn(_username, _password, _retries - 1);
return;
}
}
if (LogInCompleted != null)
{
LogInCompleted(this, logInCompleteArgs);
}
}
public void StartLogIn(String username, String password, uint retries = 1)
{
bool createNewWebObj = !IsLoggedIn;
if (IsConnecting)
{
MitbbsWebSessionEventArgs logInCompleteArgs = new MitbbsWebSessionEventArgs();
logInCompleteArgs.Success = false;
if (LogInCompleted != null)
{
LogInCompleted(this, logInCompleteArgs);
}
return;
}
IsConnecting = true;
if (IsLoggedIn)
{
IsLoggedIn = false;
MitbbsWebSessionEventArgs logOutCompleteArgs = new MitbbsWebSessionEventArgs();
logOutCompleteArgs.Success = true;
if (LogOutCompleted != null)
{
LogOutCompleted(this, logOutCompleteArgs);
}
}
//_cookies = new CookieContainer();
if (username == null)
{
username = "";
}
if (password == null)
{
password = "";
}
_username = username;
_password = password;
IsLoggedIn = false;
if (createNewWebObj)
{
if (_web != null)
{
_web.LoadCompleted -= OnLogInStartPageLoaded;
_web.LoadCompleted -= OnLogInPageLoaded;
_web.LoadCompleted -= OnLogOutPageLoaded;
}
_web = new HtmlWeb();
_web.Cookies = _cookies;
_web.GenerateFormElements = true;
_web.Encoding = _encoding;
}
_retries = retries;
_web.LoadCompleted += OnLogInStartPageLoaded;
_web.LoadAsync(App.Settings.BuildUrl(_logInStartPageUrl));
}