572 lines
26 KiB
C#
572 lines
26 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Web;
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using System.Web.Mvc;
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using System.Web.UI;
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using Microsoft.AspNet.Identity;
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using Microsoft.AspNet.Identity.Owin;
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using Microsoft.Owin.Security;
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using Newtonsoft.Json;
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using Umbraco.Core;
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using Umbraco.Core.Cache;
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using Umbraco.Core.Configuration;
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using Umbraco.Core.IO;
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using Umbraco.Core.Logging;
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using Umbraco.Core.Manifest;
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using Umbraco.Core.Models.Identity;
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using Umbraco.Web.Models;
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using Umbraco.Web.Mvc;
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using Umbraco.Core.Services;
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using Umbraco.Web.Composing;
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using Umbraco.Web.Features;
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using Umbraco.Web.JavaScript;
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using Umbraco.Web.Security;
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using Constants = Umbraco.Core.Constants;
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using JArray = Newtonsoft.Json.Linq.JArray;
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namespace Umbraco.Web.Editors
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{
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/// <summary>
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/// Represents a controller user to render out the default back office view and JS results.
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/// </summary>
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[UmbracoRequireHttps]
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[DisableBrowserCache]
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public class BackOfficeController : UmbracoController
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{
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private readonly ManifestParser _manifestParser;
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private readonly UmbracoFeatures _features;
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private readonly IRuntimeState _runtimeState;
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private BackOfficeUserManager<BackOfficeIdentityUser> _userManager;
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private BackOfficeSignInManager _signInManager;
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public BackOfficeController(ManifestParser manifestParser, UmbracoFeatures features, IGlobalSettings globalSettings, IUmbracoContextAccessor umbracoContextAccessor, ServiceContext services, AppCaches appCaches, IProfilingLogger profilingLogger, IRuntimeState runtimeState, UmbracoHelper umbracoHelper)
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: base(globalSettings, umbracoContextAccessor, services, appCaches, profilingLogger, umbracoHelper)
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{
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_manifestParser = manifestParser;
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_features = features;
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_runtimeState = runtimeState;
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}
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protected BackOfficeSignInManager SignInManager => _signInManager ?? (_signInManager = OwinContext.GetBackOfficeSignInManager());
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protected BackOfficeUserManager<BackOfficeIdentityUser> UserManager => _userManager ?? (_userManager = OwinContext.GetBackOfficeUserManager());
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protected IAuthenticationManager AuthenticationManager => OwinContext.Authentication;
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/// <summary>
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/// Render the default view
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/// </summary>
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/// <returns></returns>
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public async Task<ActionResult> Default()
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{
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return await RenderDefaultOrProcessExternalLoginAsync(
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() => View(GlobalSettings.Path.EnsureEndsWith('/') + "Views/Default.cshtml", new BackOfficeModel(_features, GlobalSettings)),
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() => View(GlobalSettings.Path.EnsureEndsWith('/') + "Views/Default.cshtml", new BackOfficeModel(_features, GlobalSettings)));
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}
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[HttpGet]
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public async Task<ActionResult> VerifyInvite(string invite)
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{
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//if you are hitting VerifyInvite, you're already signed in as a different user, and the token is invalid
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//you'll exit on one of the return RedirectToAction("Default") but you're still logged in so you just get
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//dumped at the default admin view with no detail
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if(Security.IsAuthenticated())
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{
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AuthenticationManager.SignOut(
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Core.Constants.Security.BackOfficeAuthenticationType,
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Core.Constants.Security.BackOfficeExternalAuthenticationType);
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}
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if (invite == null)
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{
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Logger.Warn<BackOfficeController>("VerifyUser endpoint reached with invalid token: NULL");
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return RedirectToAction("Default");
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}
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var parts = Server.UrlDecode(invite).Split('|');
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if (parts.Length != 2)
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{
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Logger.Warn<BackOfficeController>("VerifyUser endpoint reached with invalid token: {Invite}", invite);
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return RedirectToAction("Default");
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}
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var token = parts[1];
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var decoded = token.FromUrlBase64();
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if (decoded.IsNullOrWhiteSpace())
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{
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Logger.Warn<BackOfficeController>("VerifyUser endpoint reached with invalid token: {Invite}", invite);
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return RedirectToAction("Default");
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}
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var id = parts[0];
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int intId;
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if (int.TryParse(id, out intId) == false)
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{
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Logger.Warn<BackOfficeController>("VerifyUser endpoint reached with invalid token: {Invite}", invite);
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return RedirectToAction("Default");
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}
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var identityUser = await UserManager.FindByIdAsync(intId);
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if (identityUser == null)
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{
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Logger.Warn<BackOfficeController>("VerifyUser endpoint reached with non existing user: {UserId}", id);
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return RedirectToAction("Default");
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}
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var result = await UserManager.ConfirmEmailAsync(intId, decoded);
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if (result.Succeeded == false)
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{
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Logger.Warn<BackOfficeController>("Could not verify email, Error: {Errors}, Token: {Invite}", string.Join(",", result.Errors), invite);
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return new RedirectResult(Url.Action("Default") + "#/login/false?invite=3");
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}
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//sign the user in
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DateTime? previousLastLoginDate = identityUser.LastLoginDateUtc;
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await SignInManager.SignInAsync(identityUser, false, false);
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//reset the lastlogindate back to previous as the user hasn't actually logged in, to add a flag or similar to SignInManager would be a breaking change
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identityUser.LastLoginDateUtc = previousLastLoginDate;
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await UserManager.UpdateAsync(identityUser);
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return new RedirectResult(Url.Action("Default") + "#/login/false?invite=1");
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}
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/// <summary>
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/// This Action is used by the installer when an upgrade is detected but the admin user is not logged in. We need to
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/// ensure the user is authenticated before the install takes place so we redirect here to show the standard login screen.
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/// </summary>
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/// <returns></returns>
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[HttpGet]
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[StatusCodeResult(System.Net.HttpStatusCode.ServiceUnavailable)]
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public async Task<ActionResult> AuthorizeUpgrade()
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{
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return await RenderDefaultOrProcessExternalLoginAsync(
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//The default view to render when there is no external login info or errors
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() => View(GlobalSettings.Path.EnsureEndsWith('/') + "Views/AuthorizeUpgrade.cshtml", new BackOfficeModel(_features, GlobalSettings)),
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//The ActionResult to perform if external login is successful
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() => Redirect("/"));
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}
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/// <summary>
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/// Get the json localized text for a given culture or the culture for the current user
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/// </summary>
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/// <param name="culture"></param>
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/// <returns></returns>
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[HttpGet]
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public JsonNetResult LocalizedText(string culture = null)
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{
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var cultureInfo = string.IsNullOrWhiteSpace(culture)
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//if the user is logged in, get their culture, otherwise default to 'en'
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? Security.IsAuthenticated()
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//current culture is set at the very beginning of each request
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? Thread.CurrentThread.CurrentCulture
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: CultureInfo.GetCultureInfo(GlobalSettings.DefaultUILanguage)
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: CultureInfo.GetCultureInfo(culture);
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var allValues = Services.TextService.GetAllStoredValues(cultureInfo);
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var pathedValues = allValues.Select(kv =>
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{
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var slashIndex = kv.Key.IndexOf('/');
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var areaAlias = kv.Key.Substring(0, slashIndex);
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var valueAlias = kv.Key.Substring(slashIndex+1);
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return new
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{
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areaAlias,
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valueAlias,
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value = kv.Value
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};
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});
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Dictionary<string, Dictionary<string, string>> nestedDictionary = pathedValues
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.GroupBy(pv => pv.areaAlias)
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.ToDictionary(pv => pv.Key, pv =>
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pv.ToDictionary(pve => pve.valueAlias, pve => pve.value));
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return new JsonNetResult { Data = nestedDictionary, Formatting = Formatting.None };
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}
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/// <summary>
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/// Returns the JavaScript main file including all references found in manifests
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/// </summary>
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/// <returns></returns>
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[MinifyJavaScriptResult(Order = 0)]
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[OutputCache(Order = 1, VaryByParam = "none", Location = OutputCacheLocation.Server, Duration = 5000)]
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public JavaScriptResult Application()
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{
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var initJs = new JsInitialization(_manifestParser);
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var initCss = new CssInitialization(_manifestParser);
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var files = initJs.OptimizeBackOfficeScriptFiles(HttpContext, JsInitialization.GetDefaultInitialization());
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var result = JsInitialization.GetJavascriptInitialization(HttpContext, files, "umbraco");
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result += initCss.GetStylesheetInitialization(HttpContext);
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return JavaScript(result);
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}
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/// <summary>
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/// Returns a js array of all of the manifest assets
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/// </summary>
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/// <returns></returns>
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[UmbracoAuthorize(Order = 0)]
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[HttpGet]
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public JsonNetResult GetManifestAssetList()
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{
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JArray GetAssetList()
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{
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var initJs = new JsInitialization(_manifestParser);
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var initCss = new CssInitialization(_manifestParser);
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var assets = new List<string>();
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assets.AddRange(initJs.OptimizeBackOfficeScriptFiles(HttpContext, Enumerable.Empty<string>()));
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assets.AddRange(initCss.GetStylesheetFiles(HttpContext));
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return new JArray(assets);
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}
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//cache the result if debugging is disabled
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var result = HttpContext.IsDebuggingEnabled
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? GetAssetList()
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: AppCaches.RuntimeCache.GetCacheItem<JArray>(
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"Umbraco.Web.Editors.BackOfficeController.GetManifestAssetList",
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GetAssetList,
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new TimeSpan(0, 2, 0));
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return new JsonNetResult { Data = result, Formatting = Formatting.None };
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}
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[UmbracoAuthorize(Order = 0)]
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[HttpGet]
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public JsonNetResult GetGridConfig()
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{
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var gridConfig = Current.Configs.Grids();
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return new JsonNetResult { Data = gridConfig.EditorsConfig.Editors, Formatting = Formatting.None };
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}
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/// <summary>
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/// Returns the JavaScript object representing the static server variables javascript object
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/// </summary>
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/// <returns></returns>
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[UmbracoAuthorize(Order = 0)]
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[MinifyJavaScriptResult(Order = 1)]
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public JavaScriptResult ServerVariables()
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{
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var serverVars = new BackOfficeServerVariables(Url, _runtimeState, _features, GlobalSettings);
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//cache the result if debugging is disabled
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var result = HttpContext.IsDebuggingEnabled
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? ServerVariablesParser.Parse(serverVars.GetServerVariables())
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: AppCaches.RuntimeCache.GetCacheItem<string>(
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typeof(BackOfficeController) + "ServerVariables",
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() => ServerVariablesParser.Parse(serverVars.GetServerVariables()),
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new TimeSpan(0, 10, 0));
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return JavaScript(result);
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}
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[HttpPost]
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public ActionResult ExternalLogin(string provider, string redirectUrl = null)
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{
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if (redirectUrl == null)
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{
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redirectUrl = Url.Action("Default", "BackOffice");
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}
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// Request a redirect to the external login provider
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return new ChallengeResult(provider, redirectUrl);
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}
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[UmbracoAuthorize]
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[HttpPost]
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public ActionResult LinkLogin(string provider)
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{
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// Request a redirect to the external login provider to link a login for the current user
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return new ChallengeResult(provider,
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Url.Action("ExternalLinkLoginCallback", "BackOffice"),
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User.Identity.GetUserId());
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}
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[HttpGet]
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public async Task<ActionResult> ValidatePasswordResetCode([Bind(Prefix = "u")]int userId, [Bind(Prefix = "r")]string resetCode)
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{
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var user = UserManager.FindById(userId);
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if (user != null)
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{
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var result = await UserManager.UserTokenProvider.ValidateAsync("ResetPassword", resetCode, UserManager, user);
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if (result)
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{
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//Add a flag and redirect for it to be displayed
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TempData[ViewDataExtensions.TokenPasswordResetCode] = new ValidatePasswordResetCodeModel { UserId = userId, ResetCode = resetCode };
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return RedirectToLocal(Url.Action("Default", "BackOffice"));
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}
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}
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//Add error and redirect for it to be displayed
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TempData[ViewDataExtensions.TokenPasswordResetCode] = new[] { Services.TextService.Localize("login/resetCodeExpired") };
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return RedirectToLocal(Url.Action("Default", "BackOffice"));
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}
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[HttpGet]
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public async Task<ActionResult> ExternalLinkLoginCallback()
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{
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var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync(
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Constants.Security.BackOfficeExternalAuthenticationType,
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XsrfKey, User.Identity.GetUserId());
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if (loginInfo == null)
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{
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//Add error and redirect for it to be displayed
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TempData[ViewDataExtensions.TokenExternalSignInError] = new[] { "An error occurred, could not get external login info" };
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return RedirectToLocal(Url.Action("Default", "BackOffice"));
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}
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var result = await UserManager.AddLoginAsync(User.Identity.GetUserId<int>(), loginInfo.Login);
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if (result.Succeeded)
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{
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return RedirectToLocal(Url.Action("Default", "BackOffice"));
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}
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//Add errors and redirect for it to be displayed
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TempData[ViewDataExtensions.TokenExternalSignInError] = result.Errors;
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return RedirectToLocal(Url.Action("Default", "BackOffice"));
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}
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/// <summary>
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/// Used by Default and AuthorizeUpgrade to render as per normal if there's no external login info,
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/// otherwise process the external login info.
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/// </summary>
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/// <returns></returns>
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private async Task<ActionResult> RenderDefaultOrProcessExternalLoginAsync(
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Func<ActionResult> defaultResponse,
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Func<ActionResult> externalSignInResponse)
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{
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if (defaultResponse == null) throw new ArgumentNullException("defaultResponse");
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if (externalSignInResponse == null) throw new ArgumentNullException("externalSignInResponse");
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ViewData.SetUmbracoPath(GlobalSettings.GetUmbracoMvcArea());
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//check if there is the TempData with the any token name specified, if so, assign to view bag and render the view
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if (ViewData.FromTempData(TempData, ViewDataExtensions.TokenExternalSignInError) ||
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ViewData.FromTempData(TempData, ViewDataExtensions.TokenPasswordResetCode))
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return defaultResponse();
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//First check if there's external login info, if there's not proceed as normal
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var loginInfo = await OwinContext.Authentication.GetExternalLoginInfoAsync(
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Constants.Security.BackOfficeExternalAuthenticationType);
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if (loginInfo == null || loginInfo.ExternalIdentity.IsAuthenticated == false)
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{
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return defaultResponse();
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}
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//we're just logging in with an external source, not linking accounts
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return await ExternalSignInAsync(loginInfo, externalSignInResponse);
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}
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private async Task<ActionResult> ExternalSignInAsync(ExternalLoginInfo loginInfo, Func<ActionResult> response)
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{
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if (loginInfo == null) throw new ArgumentNullException("loginInfo");
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if (response == null) throw new ArgumentNullException("response");
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ExternalSignInAutoLinkOptions autoLinkOptions = null;
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//Here we can check if the provider associated with the request has been configured to allow
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// new users (auto-linked external accounts). This would never be used with public providers such as
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// Google, unless you for some reason wanted anybody to be able to access the backend if they have a Google account
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// .... not likely!
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var authType = OwinContext.Authentication.GetExternalAuthenticationTypes().FirstOrDefault(x => x.AuthenticationType == loginInfo.Login.LoginProvider);
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if (authType == null)
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{
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Logger.Warn<BackOfficeController>("Could not find external authentication provider registered: {LoginProvider}", loginInfo.Login.LoginProvider);
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}
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else
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{
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autoLinkOptions = authType.GetExternalAuthenticationOptions();
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}
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// Sign in the user with this external login provider if the user already has a login
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var user = await UserManager.FindAsync(loginInfo.Login);
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if (user != null)
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{
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// TODO: It might be worth keeping some of the claims associated with the ExternalLoginInfo, in which case we
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// wouldn't necessarily sign the user in here with the standard login, instead we'd update the
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// UseUmbracoBackOfficeExternalCookieAuthentication extension method to have the correct provider and claims factory,
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// ticket format, etc.. to create our back office user including the claims assigned and in this method we'd just ensure
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// that the ticket is created and stored and that the user is logged in.
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var shouldSignIn = true;
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if (autoLinkOptions != null && autoLinkOptions.OnExternalLogin != null)
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{
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shouldSignIn = autoLinkOptions.OnExternalLogin(user, loginInfo);
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if (shouldSignIn == false)
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{
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Logger.Warn<BackOfficeController>("The AutoLinkOptions of the external authentication provider '{LoginProvider}' have refused the login based on the OnExternalLogin method. Affected user id: '{UserId}'", loginInfo.Login.LoginProvider, user.Id);
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}
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}
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if (shouldSignIn)
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{
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//sign in
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await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
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}
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}
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else
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{
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if (await AutoLinkAndSignInExternalAccount(loginInfo, autoLinkOptions) == false)
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{
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ViewData.SetExternalSignInError(new[] { "The requested provider (" + loginInfo.Login.LoginProvider + ") has not been linked to an account" });
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}
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//Remove the cookie otherwise this message will keep appearing
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if (Response.Cookies[Constants.Security.BackOfficeExternalCookieName] != null)
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{
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Response.Cookies[Constants.Security.BackOfficeExternalCookieName].Expires = DateTime.MinValue;
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}
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}
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return response();
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}
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private async Task<bool> AutoLinkAndSignInExternalAccount(ExternalLoginInfo loginInfo, ExternalSignInAutoLinkOptions autoLinkOptions)
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{
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if (autoLinkOptions == null)
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return false;
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if (autoLinkOptions.ShouldAutoLinkExternalAccount(UmbracoContext, loginInfo) == false)
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return true;
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//we are allowing auto-linking/creating of local accounts
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if (loginInfo.Email.IsNullOrWhiteSpace())
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{
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ViewData.SetExternalSignInError(new[] { "The requested provider (" + loginInfo.Login.LoginProvider + ") has not provided an email address, the account cannot be linked." });
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}
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else
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{
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//Now we need to perform the auto-link, so first we need to lookup/create a user with the email address
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var foundByEmail = Services.UserService.GetByEmail(loginInfo.Email);
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if (foundByEmail != null)
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{
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ViewData.SetExternalSignInError(new[] { "A user with this email address already exists locally. You will need to login locally to Umbraco and link this external provider: " + loginInfo.Login.LoginProvider });
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}
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else
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{
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if (loginInfo.Email.IsNullOrWhiteSpace()) throw new InvalidOperationException("The Email value cannot be null");
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if (loginInfo.ExternalIdentity.Name.IsNullOrWhiteSpace()) throw new InvalidOperationException("The Name value cannot be null");
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var groups = Services.UserService.GetUserGroupsByAlias(autoLinkOptions.GetDefaultUserGroups(UmbracoContext, loginInfo));
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var autoLinkUser = BackOfficeIdentityUser.CreateNew(
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loginInfo.Email,
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loginInfo.Email,
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autoLinkOptions.GetDefaultCulture(UmbracoContext, loginInfo));
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autoLinkUser.Name = loginInfo.ExternalIdentity.Name;
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foreach (var userGroup in groups)
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{
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autoLinkUser.AddRole(userGroup.Alias);
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}
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//call the callback if one is assigned
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if (autoLinkOptions.OnAutoLinking != null)
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{
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autoLinkOptions.OnAutoLinking(autoLinkUser, loginInfo);
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}
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var userCreationResult = await UserManager.CreateAsync(autoLinkUser);
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if (userCreationResult.Succeeded == false)
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{
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ViewData.SetExternalSignInError(userCreationResult.Errors);
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}
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|
else
|
|
{
|
|
var linkResult = await UserManager.AddLoginAsync(autoLinkUser.Id, loginInfo.Login);
|
|
if (linkResult.Succeeded == false)
|
|
{
|
|
ViewData.SetExternalSignInError(linkResult.Errors);
|
|
|
|
//If this fails, we should really delete the user since it will be in an inconsistent state!
|
|
var deleteResult = await UserManager.DeleteAsync(autoLinkUser);
|
|
if (deleteResult.Succeeded == false)
|
|
{
|
|
//DOH! ... this isn't good, combine all errors to be shown
|
|
ViewData.SetExternalSignInError(linkResult.Errors.Concat(deleteResult.Errors));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//sign in
|
|
await SignInManager.SignInAsync(autoLinkUser, isPersistent: false, rememberBrowser: false);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private ActionResult RedirectToLocal(string returnUrl)
|
|
{
|
|
if (Url.IsLocalUrl(returnUrl))
|
|
{
|
|
return Redirect(returnUrl);
|
|
}
|
|
return Redirect("/");
|
|
}
|
|
|
|
// Used for XSRF protection when adding external logins
|
|
private const string XsrfKey = "XsrfId";
|
|
|
|
private class ChallengeResult : HttpUnauthorizedResult
|
|
{
|
|
public ChallengeResult(string provider, string redirectUri, string userId = null)
|
|
{
|
|
LoginProvider = provider;
|
|
RedirectUri = redirectUri;
|
|
UserId = userId;
|
|
}
|
|
|
|
private string LoginProvider { get; set; }
|
|
private string RedirectUri { get; set; }
|
|
private string UserId { get; set; }
|
|
|
|
public override void ExecuteResult(ControllerContext context)
|
|
{
|
|
//Ensure the forms auth module doesn't do a redirect!
|
|
context.HttpContext.Response.SuppressFormsAuthenticationRedirect = true;
|
|
|
|
var owinCtx = context.HttpContext.GetOwinContext();
|
|
|
|
//First, see if a custom challenge result callback is specified for the provider
|
|
// and use it instead of the default if one is supplied.
|
|
var loginProvider = owinCtx.Authentication
|
|
.GetExternalAuthenticationTypes()
|
|
.FirstOrDefault(p => p.AuthenticationType == LoginProvider);
|
|
if (loginProvider != null)
|
|
{
|
|
var providerChallengeResult = loginProvider.GetSignInChallengeResult(owinCtx);
|
|
if (providerChallengeResult != null)
|
|
{
|
|
owinCtx.Authentication.Challenge(providerChallengeResult, LoginProvider);
|
|
return;
|
|
}
|
|
}
|
|
|
|
var properties = new AuthenticationProperties() { RedirectUri = RedirectUri.EnsureEndsWith('/') };
|
|
if (UserId != null)
|
|
{
|
|
properties.Dictionary[XsrfKey] = UserId;
|
|
}
|
|
owinCtx.Authentication.Challenge(properties, LoginProvider);
|
|
}
|
|
}
|
|
}
|
|
}
|