Angularjs 通过asp.net web api认证登录
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Angularjs 通过asp.net web api认证登录
Angularjs利用asp.net mvc提供的asp.net identity,membership实现居于数据库的用户名/密码的认证登录
环境
Vs.net 2013
Asp.net mvc + web api
Individual user accounts
Angularjs
Underscore
新建一个asp.net mvc+ web api project
注册一个test用户用于测试
新建一个用于登录验证用户名密码的webapi controller 代码如下
public
class
LoginController : ApiController
{
[HttpGet]
public string Get()
{
AuthenticationManager.SignOut();
return
"Success"
;
}
private
IAuthenticationManager AuthenticationManager
{
get
{
return
HttpContext.Current.GetOwinContext().Authentication;
}
}
UserManager<ApplicationUser> UserManager =
new
UserManager<ApplicationUser>(
new
UserStore<ApplicationUser>(
new
ApplicationDbContext()));
[HttpPost]
public HttpResponseMessage PostLogin(LoginViewModel model)
{
var
user = UserManager.Find(model.UserName, model.Password);
if
(user !=
null
)
{
var
identity = UserManager.CreateIdentity(user, DefaultAuthenticationTypes.ApplicationCookie);
AuthenticationManager.SignIn(
new
AuthenticationProperties() { IsPersistent =
false
}, identity);
//FormsAuthentication.SetAuthCookie(model.UserName, false);
return
Request.CreateResponse(HttpStatusCode.OK,
"S"
);
}
else
{
return
Request.CreateErrorResponse(HttpStatusCode.NotFound,
"Invalid username or password."
);
}
}
}
新建Index.html网页
<!
DOCTYPE
html>
<
html
xmlns="http://www.w3.org/1999/xhtml" ng-app="app">
<
head
>
<
title
></
title
>
<
link
href="Content/bootstrap.css" rel="stylesheet" />
<
script
src="Scripts/bootstrap.js"></
script
>
<
script
src="Scripts/jquery-1.10.2.js"></
script
>
<
script
src="Scripts/angular.js"></
script
>
<
script
src="Scripts/angular-route.js"></
script
>
<
script
src="Scripts/app.js"></
script
>
<
script
src="Scripts/underscore.js"></
script
>
</
head
>
<
body
>
<
div
class="row">
<
div
class="large-12">
<
div
id="view" ng-view></
div
>
</
div
>
</
div
>
</
body
>
</
html
>
登录Login.html 子页面
<
div
class="col-md-4 col-md-offset-4" login-directive>
<!--<div class="panel panel-default">
<div class="panel-heading">
<h3 class="panel-title">Please sign in</h3>
</div>
<div class="panel-body">
<form accept-charset="UTF-8" role="form" name="form">
<fieldset>
<div class="form-group">
<input class="form-control" placeholder="E-mail" name="email" type="text" ng-model="credentials.UserName" required>
</div>
<div class="form-group">
<input class="form-control" placeholder="Password" name="password" type="password" value="" ng-model="credentials.Password" required>
</div>
<div class="checkbox">
<label>
<input name="remember" type="checkbox" value="Remember Me" ng-model="credentials.RememberMe"> Remember Me
</label>
</div>
<p class="text-danger" ng-show="message">{{message}}</p>
<input class="btn btn-lg btn-success btn-block" ng-click="login()" ng-disabled="form.$invalid" type="submit" value="Login">
</fieldset>
</form>
</div>
</div>-->
</
div
>
Home.html登录进去的首页
<div class="container">
。。。。。。
</div>
认证流程
angularjs代码
var app =angular.module("app",['ngRoute']);
app.config(function($routeProvider) {
$routeProvider.when('/login', {
templateUrl: 'templates/login.html',
controller:'LoginController'
});
$routeProvider.when('/home', {
templateUrl: 'templates/home.html',
controller:'HomeController'
});
$routeProvider.otherwise({redirectTo:'/login'});
});
定义route,默认显示login登录界面
app.factory("SessionService", function () {
return {
get: function (key) {
return sessionStorage.getItem(key);
},
set: function (key, val) {
return sessionStorage.setItem(key, val);
},
unset: function (key) {
return sessionStorage.removeItem(key);
}
}
});
保存登录session,
app.factory("AuthenticationService", function ($http, $location, SessionService, MessageService) {
var cacheSession = function () {
SessionService.set('authenicated',true);
};
var uncacheSession = function () {
SessionService.unset('authenicated');
};
var loginError = function (response) {
MessageService.show(response.Message);
};
return {
login: function (credentials) {
//if (credentials.UserName !== "admin" ||
// credentials.Password !== "admin") {
// alert("Username must be 'admin/admin'");
//}
//else {
// $location.path('/home');
//}
//return $http.post("/api/Login", credentials)
var login = $http.post("/api/Login", credentials);
login.success(cacheSession);
login.success(MessageService.clean);
login.error(loginError);
return login;
},
logout:function(){
//$location.path('/login');
//return $http.get("/api/Login");
var logout = $http.get("/api/Login");
logout.success(uncacheSession);
return logout;
},
isLoggedIn: function () {
return SessionService.get('authenicated');
}
};
});
与后台web api交互认证用户名/密码 服务
app.controller("LoginController", function ($scope, $location,$http, AuthenticationService) {
$scope.credentials = { UserName: "", Password: "", RememberMe:false};
$scope.login = function () {
AuthenticationService.login($scope.credentials).success(function () {
$location.path("/home");
});
}
});
Login方法登录成功重定向home页面
为了防止用户直接在地址栏输入/home跳过登录界面
app.run(function ($rootScope, $location, AuthenticationService, MessageService) {
var routesThatRequireAuth = ['/home'];
$rootScope.$on('$routeChangeStart', function (event,next,current) {
if(_(routesThatRequireAuth).contains($location.path()) &&
!AuthenticationService.isLoggedIn()) {
MessageService.show("Please login");
$location.path('/login');
}
});
});
必须登录过才能访问/home页面
Homecontroller代码
app.controller("HomeController", function ($scope, $location, $http, AuthenticationService) {
$scope.credentials = { UserName: "", Password: "", RememberMe: false };
$scope.logout = function () {
AuthenticationService.logout().success(function () {
$location.path("/login");
});
};
$scope.getvalue = function () {
var url = "/api/values";
$http.get(url).success(function (data) {
console.log(data);
})
.error(function (data) {
console.log(data);
});
};
// $scope.getvalue();
$scope.expiry = function () {
var url = "/api/values";
$http.post(url).success(function (data) {
console.log(data);
})
.error(function (data) {
console.log(data);
});
};
//$scope.expiry();
});
ValuesController Authroize属性,必须认证通过才能访问
[Authorize]
public class ValuesController : ApiController
{
// GET api/<controller>
//[Authorize]
public IEnumerable<string> Get()
{
return new string[] { "value1", "value2" };
}
Homecontroller中可以logout登出,和getvalue获取需要认证的webapi。如果用户长时间在home页面服务器端session过期后在调用getvalue方法会访问401错误。这是如果捕获到401错误,那么就要重定向到/login页面
下面的代码就是用捕获401错误
app.config(function ($httpProvider) {
var LogOutUserOn401 = function ($location, $q, SessionService, MessageService) {
var success = function (response) {
//alert("success" + response.status);
return response;
};
var error = function (response) {
//alert("error:" + response.status);
if (response.status === 401) {
SessionService.unset('authenicated');
MessageService.show(response.Message);
$location.path('/login');
return $q.reject(response);
} else {
return $q.reject(response);
}
};
return function (promise) {
return promise.then(success, error);
};
};
$httpProvider.responseInterceptors.push(LogOutUserOn401);
});
注意:默认情况下mvc如果认证过期返回的302重定向到mvc提供的登录界面而不是返回401错误代码,就需要修改Startup.Auth.cs
public void ConfigureAuth(IAppBuilder app)
{
// Enable the application to use a cookie to store information for the signed in user
//app.UseCookieAuthentication(new CookieAuthenticationOptions
//{
// AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
// LoginPath = new PathString("/Account/Login")
//});
app.UseCookieAuthentication(new CookieAuthenticationOptions()
);
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