public void CheckForUpdates(bool bVerbose)
{
try
{
VersionStruct verServer = new VersionStruct();
verServer = this.GetLatestVersion(CONFIG.bIsBeta);
FiddlerApplication.Prefs.SetStringPref("fiddler.welcomemsg", verServer.sWelcomeMsg);
int num = CompareVersions(ref verServer, CONFIG.FiddlerVersionInfo);
if ((num > 1) || (bVerbose && (num > 0)))
{
verServer.sWhatIsNew = verServer.sWhatIsNew + string.Format("\r\n\r\n------------------------------\r\nWould you like to learn more?\r\n{0}{1}&IsBeta={2}", CONFIG.GetUrl("ChangeList"), Application.ProductVersion, CONFIG.bIsBeta.ToString());
frmUpdate oUpdatePrompt = new frmUpdate("Update Announcement (from v" + Application.ProductVersion + " to v" + verServer.Major.ToString() + "." + verServer.Minor.ToString() + "." + verServer.Build.ToString() + "." + verServer.Private.ToString() + ")", "Good news! An improved version of Fiddler is now available.\r\n\r\n" + verServer.sWhatIsNew, !verServer.bMustCleanInstall, bVerbose ? MessageBoxDefaultButton.Button1 : MessageBoxDefaultButton.Button2)
{
StartPosition = FormStartPosition.CenterScreen
};
DialogResult updateDecision = FiddlerApplication.UI.GetUpdateDecision(oUpdatePrompt);
if (DialogResult.Yes == updateDecision)
{
Utilities.LaunchHyperlink(CONFIG.GetUrl("InstallLatest"));
}
else if (DialogResult.Retry == updateDecision)
{
try
{
RegistryKey oReg = Registry.CurrentUser.OpenSubKey(CONFIG.GetRegPath("Root"), true);
if (oReg != null)
{
Utilities.SetRegistryString(oReg, "UpdatePending", "True");
oReg.Close();
}
}
catch
{
}
}
}
else if (bVerbose)
{
FiddlerApplication.DoNotifyUser("Your version of Fiddler is up-to-date.\n\nThanks for checking!", "FiddlerUpdate");
}
}
catch (Exception exception)
{
if (bVerbose)
{
MessageBox.Show("There was an error retrieving version information. You can check for updates manually by visiting https://www.fiddler2.com/\n\n" + exception.ToString(), "Error retrieving version information");
}
}
}
private VersionStruct GetLatestVersion(bool isBeta)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(CONFIG.GetUrl("VerCheck") + isBeta.ToString());
if ((CONFIG.sGatewayUsername != null) && (CONFIG.sGatewayPassword != null))
{
request.Proxy.Credentials = new NetworkCredential(CONFIG.sGatewayUsername, CONFIG.sGatewayPassword);
}
else
{
request.Proxy.Credentials = CredentialCache.DefaultCredentials;
}
request.UserAgent = string.Format("Fiddler/{0}{1} (.NET {2}; {3})", new object[] { Application.ProductVersion, CONFIG.bIsBeta ? " beta" : string.Empty, Environment.Version.ToString(), Environment.OSVersion.VersionString });
request.Headers.Add("Pragma: no-cache");
request.Referer = string.Format("http://fiddler2.com/client/{0}{1}", CONFIG.IsMicrosoftMachine ? "MSFT/" : string.Empty, CONFIG.FiddlerVersionInfo.ToString());
request.AllowAutoRedirect = true;
request.KeepAlive = false;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
VersionStruct struct2 = new VersionStruct();
if (response.StatusCode == HttpStatusCode.OK)
{
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
struct2.Major = int.Parse(reader.ReadLine());
struct2.Minor = int.Parse(reader.ReadLine());
struct2.Build = int.Parse(reader.ReadLine());
struct2.Private = int.Parse(reader.ReadLine());
struct2.sWhatIsNew = reader.ReadToEnd().Trim();
struct2.bMustCleanInstall = struct2.sWhatIsNew.Contains("CleanInstall");
int index = struct2.sWhatIsNew.IndexOf("@WELCOME@");
if (index > 0)
{
struct2.sWelcomeMsg = struct2.sWhatIsNew.Substring(index + 9).Trim();
struct2.sWhatIsNew = struct2.sWhatIsNew.Substring(0, index).Trim();
}
}
response.Close();
return(struct2);
}
private static int CompareVersions(ref VersionStruct verServer, Version verClient)
{
if (verServer.Major > verClient.Major)
{
return(4);
}
if (verClient.Major > verServer.Major)
{
return(-4);
}
if (verServer.Minor > verClient.Minor)
{
return(3);
}
if (verClient.Minor > verServer.Minor)
{
return(-3);
}
if (verServer.Build > verClient.Build)
{
return(2);
}
if (verClient.Build > verServer.Build)
{
return(-2);
}
if (verServer.Private > verClient.Revision)
{
return(1);
}
if (verClient.Revision > verServer.Private)
{
return(-1);
}
return(0);
}