using System; using System.Diagnostics; using System.Drawing; using System.IO; using System.Text; using System.Windows.Forms; using TweetDuck.Configuration; using TweetDuck.Dialogs; using TweetLib.Core; using TweetLib.Core.Application; namespace TweetDuck { sealed class Reporter : IAppErrorHandler { private readonly string logFile; public Reporter(string logFile) { this.logFile = logFile; } public void SetupUnhandledExceptionHandler(string caption) { AppDomain.CurrentDomain.UnhandledException += (sender, args) => { if (args.ExceptionObject is Exception ex) { HandleException(caption, "An unhandled exception has occurred.", false, ex); } }; } public bool LogVerbose(string data) { return Arguments.HasFlag(Arguments.ArgLogging) && LogImportant(data); } public bool LogImportant(string data) { return ((IAppErrorHandler) this).Log(data); } bool IAppErrorHandler.Log(string text) { #if DEBUG Debug.WriteLine(text); #endif StringBuilder build = new StringBuilder(); if (!File.Exists(logFile)) { build.Append("Please, report all issues to: https://github.com/chylex/TweetDuck/issues\r\n\r\n"); } build.Append("[").Append(DateTime.Now.ToString("G", Lib.Culture)).Append("]\r\n"); build.Append(text).Append("\r\n\r\n"); try { File.AppendAllText(logFile, build.ToString(), Encoding.UTF8); return true; } catch { return false; } } public void HandleException(string caption, string message, bool canIgnore, Exception e) { bool loggedSuccessfully = LogImportant(e.ToString()); string exceptionText = e is ExpandedLogException ? e.Message + "\n\nDetails with potentially sensitive information are in the Error Log." : e.Message; FormMessage form = new FormMessage(caption, message + "\nError: " + exceptionText, canIgnore ? MessageBoxIcon.Warning : MessageBoxIcon.Error); Button btnExit = form.AddButton(FormMessage.Exit); Button btnIgnore = form.AddButton(FormMessage.Ignore, DialogResult.Ignore, ControlType.Cancel); btnIgnore.Enabled = canIgnore; form.ActiveControl = canIgnore ? btnIgnore : btnExit; Button btnOpenLog = new Button { Anchor = AnchorStyles.Bottom | AnchorStyles.Left, Enabled = loggedSuccessfully, Font = SystemFonts.MessageBoxFont, Location = new Point(9, 12), Margin = new Padding(0, 0, 48, 0), Size = new Size(106, 26), Text = "Show Error Log", UseVisualStyleBackColor = true }; btnOpenLog.Click += (sender, args) => { using (Process.Start(logFile)) {} }; form.AddActionControl(btnOpenLog); if (form.ShowDialog() == DialogResult.Ignore) { return; } try { Process.GetCurrentProcess().Kill(); } catch { Environment.FailFast(message, e); } } public static void HandleEarlyFailure(string caption, string message) { Program.SetupWinForms(); FormMessage.Error(caption, message, "Exit"); try { Process.GetCurrentProcess().Kill(); } catch { Environment.FailFast(message, new Exception(message)); } } public sealed class ExpandedLogException : Exception { private readonly string details; public ExpandedLogException(Exception source, string details) : base(source.Message, source) { this.details = details; } public override string ToString() => base.ToString() + "\r\n" + details; } } }