// Derived from http://blogs.msdn.com/b/carlosag/archive/2011/01/21/get-iis-bindings-at-runtime-without-being-an-administrator.aspx.
// Since we want this method to work from within web applications, it's important to use WebConfigurationManager instead of ServerManager. See Dominick
// Baier's post: http://leastprivilege.com/2007/01/09/iis7-configuration-api/.
internal static string GetFirstBaseUrlForCurrentSite(bool iisExpress)
{
var assembly = getAssembly(iisExpress);
var configurationManagerClass = assembly.GetType("Microsoft.Web.Administration.WebConfigurationManager");
var getSectionMethod = configurationManagerClass.GetMethod("GetSection", new[] { typeof(string), typeof(string), typeof(string) });
dynamic sitesSection = getSectionMethod.Invoke(null, new object[] { null, null, "system.applicationHost/sites" });
var site = ((IEnumerable <dynamic>)sitesSection.GetCollection()).Single(i => (string)i["name"] == HostingEnvironment.SiteName);
var firstHttpBinding = ((IEnumerable <dynamic>)site.GetCollection("bindings")).First(i => ((string)i["protocol"]).StartsWith("http"));
var bindingInfo = ((string)firstHttpBinding["bindingInformation"]).Separate(":", false);
var ipAddress = bindingInfo[0]; // Should never be empty; * means All Unassigned.
var port = bindingInfo[1]; // never empty
var host = bindingInfo[2];
return
(NetTools.CombineUrls(
"{0}://{1}:{2}".FormatWith((string)firstHttpBinding["protocol"], host.Any() ? host : ipAddress != "*" ? ipAddress : "localhost", port),
HttpRuntime.AppDomainAppVirtualPath));
}
/// <summary>
/// Sends an email from the default address to the developers with the given exception information and additional information about
/// the running program. Prefix provides additional information before the standard exception and page information.
/// The exception may be null.
/// </summary>
public static void EmailAndLogError(string prefix, Exception exception)
{
using (var sw = new StringWriter()) {
if (prefix.Length > 0)
{
sw.WriteLine(prefix);
sw.WriteLine();
}
if (exception != null)
{
sw.WriteLine(exception.ToString());
sw.WriteLine();
}
if (NetTools.IsWebApp())
{
// This check ensures that there is an actual request, which is not the case during application initialization.
if (EwfApp.Instance != null && EwfApp.Instance.RequestState != null)
{
sw.WriteLine("URL: " + AppRequestState.Instance.Url);
sw.WriteLine();
foreach (string fieldName in HttpContext.Current.Request.Form)
{
sw.WriteLine("Form field " + fieldName + ": " + HttpContext.Current.Request.Form[fieldName]);
}
sw.WriteLine();
foreach (string cookieName in HttpContext.Current.Request.Cookies)
{
sw.WriteLine("Cookie " + cookieName + ": " + HttpContext.Current.Request.Cookies[cookieName].Value);
}
sw.WriteLine();
sw.WriteLine("User agent: " + HttpContext.Current.Request.GetUserAgent());
sw.WriteLine("Referrer: " + NetTools.ReferringUrl);
User user = null;
User impersonator = null;
// exception-prone code
try {
user = User;
impersonator = AppRequestState.Instance.ImpersonatorExists ? AppRequestState.Instance.ImpersonatorUser : null;
}
catch {}
if (user != null)
{
sw.WriteLine("User: {0}{1}".FormatWith(user.Email, impersonator != null ? " (impersonated by {0})".FormatWith(impersonator.Email) : ""));
}
}
}
else
{
sw.WriteLine("Program: " + ConfigurationStatics.AppName);
sw.WriteLine("Version: " + ConfigurationStatics.AppAssembly.GetName().Version);
sw.WriteLine("Machine: " + StandardLibraryMethods.GetLocalHostName());
}
StandardLibraryMethods.CallEveryMethod(delegate { sendErrorEmail(sw.ToString()); }, delegate { logError(sw.ToString()); });
}
}