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namespace MvcRelyingParty.Controllers {
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Security.Principal;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using System.Web.UI;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OpenId;
using DotNetOpenAuth.OpenId.Extensions.SimpleRegistration;
using DotNetOpenAuth.OpenId.RelyingParty;
using MvcRelyingParty.Models;
using RelyingPartyLogic;
[HandleError]
public class AccountController : Controller {
/// <summary>
/// Initializes a new instance of the <see cref="AccountController"/> class.
/// </summary>
/// <remarks>
/// This constructor is used by the MVC framework to instantiate the controller using
/// the default forms authentication and OpenID services.
/// </remarks>
public AccountController()
: this(null, null) {
}
/// <summary>
/// Initializes a new instance of the <see cref="AccountController"/> class.
/// </summary>
/// <param name="formsAuth">The forms auth.</param>
/// <param name="relyingParty">The relying party.</param>
/// <remarks>
/// This constructor is not used by the MVC framework but is instead provided for ease
/// of unit testing this type.
/// </remarks>
public AccountController(IFormsAuthentication formsAuth, IOpenIdRelyingParty relyingParty) {
this.FormsAuth = formsAuth ?? new FormsAuthenticationService();
this.RelyingParty = relyingParty ?? new OpenIdRelyingPartyService();
}
/// <summary>
/// Gets the forms authentication module to use.
/// </summary>
public IFormsAuthentication FormsAuth { get; private set; }
/// <summary>
/// Gets the OpenID relying party to use for logging users in.
/// </summary>
public IOpenIdRelyingParty RelyingParty { get; private set; }
/// <summary>
/// Prepares a web page to help the user supply his login information.
/// </summary>
/// <returns>The action result.</returns>
public ActionResult LogOn() {
return View();
}
/// <summary>
/// Accepts the login information provided by the user and redirects
/// the user to their Provider to complete authentication.
/// </summary>
/// <param name="openid_identifier">The user-supplied identifier.</param>
/// <param name="rememberMe">Whether the user wants a persistent cookie.</param>
/// <param name="returnUrl">The URL to direct the user to after successfully authenticating.</param>
/// <returns>The action result.</returns>
[AcceptVerbs(HttpVerbs.Post), ValidateAntiForgeryToken]
public ActionResult LogOn(string openid_identifier, bool rememberMe, string returnUrl) {
Identifier userSuppliedIdentifier;
if (Identifier.TryParse(openid_identifier, out userSuppliedIdentifier)) {
try {
var request = this.RelyingParty.CreateRequest(openid_identifier, Realm.AutoDetect, Url.ActionFull("LogOnReturnTo"));
request.SetUntrustedCallbackArgument("rememberMe", rememberMe ? "1" : "0");
// This might be signed so the OP can't send the user to a dangerous URL.
// Of course, if that itself was a danger then the site is vulnerable to XSRF attacks anyway.
if (!string.IsNullOrEmpty(returnUrl)) {
request.SetUntrustedCallbackArgument("returnUrl", returnUrl);
}
// Ask for the user's email, not because we necessarily need it to do our work,
// but so we can display something meaningful to the user as their "username"
// when they log in with a PPID from Google, for example.
request.AddExtension(new ClaimsRequest {
Email = DemandLevel.Require,
FullName = DemandLevel.Request,
PolicyUrl = Url.ActionFull("PrivacyPolicy", "Home"),
});
return request.RedirectingResponse.AsActionResult();
} catch (ProtocolException ex) {
ModelState.AddModelError("OpenID", ex.Message);
}
} else {
ModelState.AddModelError("OpenID", "This doesn't look like a valid OpenID.");
}
return View();
}
/// <summary>
/// Handles the positive assertion that comes from Providers.
/// </summary>
/// <returns>The action result.</returns>
/// <remarks>
/// This method instructs ASP.NET MVC to <i>not</i> validate input
/// because some OpenID positive assertions messages otherwise look like
/// hack attempts and result in errors when validation is turned on.
/// </remarks>
[AcceptVerbs(HttpVerbs.Get | HttpVerbs.Post), ValidateInput(false)]
public ActionResult LogOnReturnTo() {
var response = this.RelyingParty.GetResponse();
if (response != null) {
switch (response.Status) {
case AuthenticationStatus.Authenticated:
var token = RelyingPartyLogic.User.ProcessUserLogin(response);
bool rememberMe = response.GetUntrustedCallbackArgument("rememberMe") == "1";
this.FormsAuth.SignIn(token.ClaimedIdentifier, rememberMe);
string returnUrl = response.GetCallbackArgument("returnUrl");
if (!String.IsNullOrEmpty(returnUrl)) {
return Redirect(returnUrl);
} else {
return RedirectToAction("Index", "Home");
}
case AuthenticationStatus.Canceled:
ModelState.AddModelError("OpenID", "It looks like you canceled login at your OpenID Provider.");
break;
case AuthenticationStatus.Failed:
ModelState.AddModelError("OpenID", response.Exception.Message);
break;
}
}
// If we're to this point, login didn't complete successfully.
// Show the LogOn view again to show the user any errors and
// give another chance to complete login.
return View("LogOn");
}
/// <summary>
/// Logs the user out of the site and redirects the browser to our home page.
/// </summary>
/// <returns>The action result.</returns>
public ActionResult LogOff() {
this.FormsAuth.SignOut();
return RedirectToAction("Index", "Home");
}
public ActionResult Edit() {
var model = new AccountInfoModel {
FirstName = Database.LoggedInUser.FirstName,
LastName = Database.LoggedInUser.LastName,
EmailAddress = Database.LoggedInUser.EmailAddress,
};
return View(model);
}
/// <summary>
/// Updates the user's account information.
/// </summary>
/// <param name="firstName">The first name.</param>
/// <param name="lastName">The last name.</param>
/// <param name="emailAddress">The email address.</param>
/// <returns>An updated view showing the new profile.</returns>
/// <remarks>
/// This action accepts PUT because this operation is idempotent in nature.
/// </remarks>
[AcceptVerbs(HttpVerbs.Put), ValidateAntiForgeryToken]
public ActionResult Update(string firstName, string lastName, string emailAddress) {
Database.LoggedInUser.FirstName = firstName;
Database.LoggedInUser.LastName = lastName;
if (Database.LoggedInUser.EmailAddress != emailAddress) {
Database.LoggedInUser.EmailAddress = emailAddress;
Database.LoggedInUser.EmailAddressVerified = false;
}
return new EmptyResult();
}
}
}
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