User Authentication in Django Rest Framework + Angular.js web app
I'm working on a webapp where users can login to see their online wine cellar.
I've got the Django REST models setup, as well as the front-end design in Angular but I'm having trouble putting the pieces together and my main issue is for user authentication.
I've read many posts on here and various tutorials but I can't seem to find a step by step method to implement authentication:
From what I understand Angular makes a POST request on a url where DRF verifies that username and password match and returns a token or other auth proof.
I feel like I'm close but I need a more general view of how this works to put the pieces together.
Thanks in advance
I imagine there are a lot of ways to do this, let me explain what I do, hopefully it is helpful. This is going to be a long post. I would love to hear how others do this, or better ways of implementing the same approach. You can also check out my seed project on Github, Angular-Django-Seed.
I use token authentication with Witold Szczerba's http-auth-interceptor. The beauty of his approach is that whenever a request is sent from your site without proper credentials, you are redirected to the login screen, but your request is queued to be re-fired on login complete.
Here is a login directive used with the login form. It posts to Django's auth token endpoint, sets a cookie with the response token, sets the default header with the token so all requests will be authenticated, and fires the http-auth-interceptor login event.
.directive('login', function ($http, $cookieStore, authService) {
return {
restrict: 'A',
link: function (scope, elem, attrs) {
elem.bind('submit', function () {
var user_data = {
"username": scope.username,
"password": scope.password,
};
$http.post(constants.serverAddress + "api-token-auth", user_data, {"Authorization": ""})
.success(function(response) {
$cookieStore.put('djangotoken', response.token);
$http.defaults.headers.common['Authorization'] = 'Token ' + response.token;
authService.loginConfirmed();
});
});
}
}
})
I use the module .run method to set check for the cookie when a user comes to the site, if they have the cookie set I set the default authorization.
.run(function($rootScope) {
$rootScope.$broadcast('event:initial-auth');
})
Here is my interceptor directive that handles the authService broadcasts. If login is required, I hide everything and show the login form. Otherwise hide the login form and show everything else.
.directive('authApplication', function ($cookieStore, $http) {
return {
restrict: 'A',
link: function (scope, elem, attrs) {
var login = elem.find('#login-holder');
var main = elem.find('#main');
scope.$on('event:auth-loginRequired', function () {
main.hide();
login.slideDown('fast');
});
scope.$on('event:auth-loginConfirmed', function () {
main.show();
login.slideUp('fast');
});
scope.$on('event:initial-auth', function () {
if ($cookieStore.get('djangotoken')) {
$http.defaults.headers.common['Authorization'] = 'Token ' + $cookieStore.get('djangotoken');
}
else {
login.slideDown('fast');
main.hide();
}
});
}
}
})
To use it all my html was basically like this.
<body auth-application>
<div id="login-holder">
... login form
</div>
<div id="main">
... ng-view, or the bulk of your html
</div>
Check out django-rest-auth and angular-django-registration-auth also
https://github.com/Tivix/angular-django-registration-auth
https://github.com/Tivix/django-rest-auth
We've tried to solve most common Django auth/registration related things from a backend and angular perspective in these two libraries.
Thanks!
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