public static CodeplexReleases CheckForUpdates()
{
if (GlobalSettings.Default.AlwaysCheckForUpdates.HasValue && !GlobalSettings.Default.AlwaysCheckForUpdates.Value)
return null;
#if DEBUG
// Skip the load check, as it may take a few seconds during development.
if (Debugger.IsAttached)
return null;
#endif
var currentVersion = GlobalSettings.GetAppVersion();
string webContent;
string link;
// Create the WebClient with Proxy Credentials.
using (var webclient = new MyWebClient())
{
try
{
if (webclient.Proxy != null)
{
// For Proxy servers on Corporate networks.
webclient.Proxy.Credentials = CredentialCache.DefaultNetworkCredentials;
}
}
catch
{
// Reading from the Proxy may cause a network releated error.
// Error creating the Web Proxy specified in the 'system.net/defaultProxy' configuration section.
}
webclient.Headers.Add(HttpRequestHeader.UserAgent, string.Format("Mozilla/5.0 ({0}) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.114 Safari/537.36", Environment.OSVersion)); // Crude useragent.
webclient.Headers.Add(HttpRequestHeader.Referer, string.Format("https://setoolbox.codeplex.com/updatecheck?current={0}", currentVersion));
try
{
webContent = webclient.DownloadString(UpdatesUrl);
}
catch
{
// Ignore any errors.
// If it cannot connect, then there may be an intermittant connection issue, either with the internet, or codeplex (which has happened before).
return null;
}
if (string.IsNullOrEmpty(webContent))
return null;
// link should be in the form "http://setoolbox.codeplex.com/releases/view/120855"
link = webclient.ResponseUri == null ? null : webclient.ResponseUri.AbsoluteUri;
}
// search for html in the form: <h1 class="page_title wordwrap">SEToolbox 01.025.021 Release 2</h1>
var match = Regex.Match(webContent, @"\<h1 class=\""(?:[^\""]*)\""\>(?<title>(?:[^\<\>\""]*?))\s(?<version>[^\<\>\""]*)\<\/h1\>");
if (!match.Success)
return null;
var item = new CodeplexReleases { Link = link, Version = GetVersion(match.Groups["version"].Value) };
Version ignoreVersion;
Version.TryParse(GlobalSettings.Default.IgnoreUpdateVersion, out ignoreVersion);
if (item.Version > currentVersion && item.Version != ignoreVersion)
return item;
return null;
}
public static ApplicationRelease CheckForUpdates(CodeRepositoryType repositoryType, string updatesUrl)
{
if (GlobalSettings.Default.AlwaysCheckForUpdates.HasValue && !GlobalSettings.Default.AlwaysCheckForUpdates.Value)
return null;
#if DEBUG
// Skip the load check, as it may take a few seconds during development.
if (Debugger.IsAttached)
return null;
#endif
var currentVersion = GlobalSettings.GetAppVersion();
string webContent;
string link;
// Create the WebClient with Proxy Credentials.
using (var webclient = new MyWebClient())
{
try
{
if (webclient.Proxy != null)
{
// For Proxy servers on Corporate networks.
webclient.Proxy.Credentials = CredentialCache.DefaultNetworkCredentials;
}
}
catch
{
// Reading from the Proxy may cause a network releated error.
// Error creating the Web Proxy specified in the 'system.net/defaultProxy' configuration section.
}
webclient.Headers.Add(HttpRequestHeader.UserAgent, string.Format("Mozilla/5.0 ({0}) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.114 Safari/537.36", Environment.OSVersion)); // Crude useragent.
try
{
webContent = webclient.DownloadString(updatesUrl);
}
catch
{
// Ignore any errors.
// If it cannot connect, then there may be an intermittant connection issue, either with the internet, or the website itself.
return null;
}
if (string.IsNullOrEmpty(webContent))
return null;
// link should be in the form "http://setoolbox.codeplex.com/releases/view/120855"
link = webclient.ResponseUri == null ? null : webclient.ResponseUri.AbsoluteUri;
}
string pattern = "";
if (repositoryType == CodeRepositoryType.CodePlex)
pattern = CodePlexPattern;
if (repositoryType == CodeRepositoryType.GitHub)
pattern = GitHubPattern;
var match = Regex.Match(webContent, pattern);
if (!match.Success)
return null;
var item = new ApplicationRelease { Link = link, Version = GetVersion(match.Groups["version"].Value) };
Version ignoreVersion;
Version.TryParse(GlobalSettings.Default.IgnoreUpdateVersion, out ignoreVersion);
if (item.Version > currentVersion && item.Version != ignoreVersion)
return item;
return null;
}