/// <summary>
/// Создаётся HttpListener, после чего заполняются его .Prefixes ссылками на директории.
/// </summary>
/// <returns></returns>
private HttpListener GetConfiguredListener()
{
HttpListener httpListener = new HttpListener();
// Добавляем url верхнего уровня в список префиксов.
foreach (string url in uriHelper.UrlBeginings)
{
httpListener.Prefixes.Add(String.Format("{0}/", url));
}
// Ищем только директории, содержание файлы *.html, после чего меняем разделитель с '\' на '/'.
List <string> prefixes = DirectoryWorker.GetDirectoriesWithDotHTML();
prefixes = HttpUriHelper.ChangeSeparatorToUrlLike(prefixes);
// Добавляем отобранные директории к url верхнего уровня и закидываем в список префиксов.
foreach (string path in prefixes)
{
foreach (string startUrl in uriHelper.UrlBeginings)
{
httpListener.Prefixes.Add(String.Format("{0}{1}", startUrl, path));
}
}
// Вывод всех добавленных префиксов
this.PrintPrefixes(httpListener);
return(httpListener);
}
/// <summary>
/// Отправка ответа на запрос; это может быть что угодно: картинка, html-файл, js-файл, css-файл.
/// </summary>
/// <param name="context"></param>
private void SendResponce(HttpListenerContext context)
{
string needPath = context.Request.RawUrl;
// Частный случай запроса - когда не пишется конкретный html файл.
if (needPath.EndsWith(HttpUriHelper.UrlPathChar))
{
needPath = String.Format("{0}index.html", needPath);
}
needPath = HttpUriHelper.ChangeUrlLikeToSeparator(needPath);
// Получение и проверка данных по указанной дирректории.
byte[] file = DirectoryWorker.filebuffer.GetValueByKey(needPath);
if (file == null)
{
//ConsoleColorPrinter.WriteLine($"Can not find file for responce by way [{needPath}]", ConsoleColor.DarkGreen);
logger.Warn($"Can not find file for responce by way [{needPath}]");
return;
}
// Отправка запроса
//ConsoleColorPrinter.WriteLine($"Responcing file by way [{needPath}]", ConsoleColor.DarkGreen);
logger.Info($"Responcing file by way [{needPath}]");
HttpListenerResponse response = context.Response;
Stream output = response.OutputStream;
output.Write(file, 0, file.Length);
output.Close();
response.Close();
}
/// <summary>
/// Handles the submission of an URL by the user
/// Will validate and sanitize said URL or prompt an error dialog
/// </summary>
/// <param name="sender">Not important</param>
/// <param name="e">Contains the URL to submit</param>
public void UrlInputFormSubmittedEventHandler(object sender, UrlSentEventArgs e)
{
if (HttpUriHelper.TryCreateHttpUri(e.Url, out Uri uri))
{
this.UrlInputFormSubmittedEvent(this, new UrlSentEventArgs(uri));
}
else
{
this.view.ErrorDialog("The URL was incorrect. Please input a valid URL.");
}
}
/// <summary>
/// Tests the provided URL and either enables the submission controls or orders to prompt an error
/// </summary>
/// <param name="sender">Not important</param>
/// <param name="e">Contains the URL to validate</param>
public void UrlSentEventHandler(object sender, UrlSentEventArgs e)
{
if (HttpUriHelper.TryCreateHttpUri(e.Url, out Uri uri))
{
this.view.UpdateUrl(uri.AbsoluteUri);
}
else
{
this.view.ErrorDialog("Please input a valid URL.");
}
}
/* ==================================
* INTERNAL METHODS
* ==================================*/
/// <summary>
/// Handles to user's request to test an URL
/// Will validate said URL and update the view in consequence
/// </summary>
/// <param name="sender">Not important</param>
/// <param name="e">Contains the URL to test</param>
public void UrlSentEventHandler(object sender, UrlSentEventArgs e)
{
if (HttpUriHelper.TryCreateHttpUri(e.Url, out Uri uri))
{
this.view.UpdateUrl(uri.AbsoluteUri);
this.view.SetUrlFeedback("The URL has been sucessfully verified !");
}
else
{
this.view.SetUrlFeedback("Please input a valid URL.");
}
}
/// <summary>
/// Asks to load a page
/// Will sanitize the provided URI before calling the next method
/// </summary>
/// <param name="sender">Arguments containing the target URL</param>
/// <param name="e">Empty</param>
private async void UrlQueriedEventHandlerAsync(object sender, UrlSentEventArgs e)
{
if (HttpUriHelper.TryCreateHttpUri(e.Url, out Uri uri))
{
HttpQuery query = new HttpQuery(uri);
this.AddToHistory(query);
await Task.Factory.StartNew(() => this.LoadPageAsync(query));
}
else
{
this.view.ErrorDialog("Invalid URL");
}
}
public HttpServer(string ip, int port, DirectoryInfo directory)
{
this.IP = ip;
this.Port = port;
uriHelper = new HttpUriHelper(ip, port);
// Настроим логгер
this.LoadLogger();
// Настройка буффера и анализатора дирректории
this.DirectoryWorker = new DirectoryAnalyser(directory);
// Добавим обработчик события создания нового файла
this.DirectoryWorker.NotifyAboutCreate += OnNewFile;
// Добавим обработчик события удаления файла
this.DirectoryWorker.NotifyAboutDelete += OnDeleteFile;
}
/// <summary>
/// Validates the URL one last time, checks if the submitted <see cref="Fav"/> already exists in the repository
/// Then raises a <see cref="FavInputSubmittedEvent"/>
/// </summary>
/// <param name="sender">Not important</param>
/// <param name="e">Contains the <see cref="Fav"/> to add</param>
public void FavInputSubmittedEventHandler(object sender, FavSubmittedEventArgs e)
{
if (HttpUriHelper.TryCreateHttpUri(e.Uri, out Uri uri))
{
try
{
if (this.mode == InputFavMode.MODIFICATION)
{
this.favorites.Remove(this.toEdit);
}
this.favorites.Add(new Fav(uri, e.Name));
this.FavInputSubmittedEvent(this, EventArgs.Empty);
this.view.Close();
} catch (FavAlreadyExistsException)
{
this.view.ErrorDialog("There is already a favorite with these name and URL.");
}
}
else
{
this.view.ErrorDialog("Please input a valid URL.");
}
}
