UserApp AngularJS

AngularJS module that adds user authentication to your app with UserApp. It supports protected/public routes, rerouting on login/logout, heartbeats for status checks, stores the session token in a cookie, directives for signup/login/logout, OAuth, etc.

UserApp is a cloud-based user management API for web apps with the purpose to relieve developers from having to program logic for user authentication, sign-up, invoicing, feature/property/permission management, and more.

Getting Started

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Include the UserApp JavaScript library and this AngularJS module in your index.html:

 <script src="https://app.userapp.io/js/userapp.client.js"></script>
 <script src="https://rawgithub.com/userapp-io/userapp-angular/master/angularjs.userapp.js"></script>

(You can also install the module with bower: $ bower install userapp-angular)

Add the UserApp module to your app's dependencies (app.js):
```
 var app = angular.module('myApp', ['UserApp']);
```

Inject and initiate the service in your root scope (app.js) with your App Id:

 app.run(function($rootScope, user) {
     user.init({ appId: 'YOUR_APP_ID' });
 });

Create routes + templates for login and signup, and use the directives to connect them to UserApp (examples: login.html and signup.html):

 $routeProvider.when('/login', {templateUrl: 'partials/login.html'});
 $routeProvider.when('/signup', {templateUrl: 'partials/signup.html'});

Note: If you are using ui-router, all you have to do is to create states instead of the routes above.

Set public to true on the routes you want to make public. And set login to true on the login route:

 $routeProvider.when('/login', {templateUrl: 'partials/login.html', login: true});
 $routeProvider.when('/signup', {templateUrl: 'partials/signup.html', public: true});

The .otherwise() route should be set to where you want your users to be redirected after login. Example:

	$routeProvider.otherwise({redirectTo: '/home'});

Note: If you are using ui-router, place the public and login flags inside data instead.

Add a log out link:
```
 <a href="#" ua-logout>Log Out</a>
```

(Ends the session and redirects to the login route)

Hide elements that should only be visible when logged in:
```
 <div ng-show="user.authenticated">Welcome!</div>
```

Use the user object to access properties on the logged in user:

 <div ng-show="user.authenticated">Welcome {{ user.first_name }}!</div>

Read this documention and the UserApp Documentation to learn how to use the full API!

Verify email address

To force your new sign-ups to verify their email address, you first need to activate the Email Add-on in UserApp, and then configure the Verification Email.

When this is done, you need to modify your sign up page to show a message to the user after they have signed up. This message should tell them to check their inbox for a verification email.

When a verification email has been sent, the variable verificationEmailSent will be set to true, so just use ng-show to show/hide the message:

<p ng-show="verificationEmailSent">An email has been sent to your inbox. Click on the link to verify your account.</p>

This email should be configured to include a link to a route that you will set up with UserApp by adding the verify_email flag:

$routeProvider.when('/verify-email', {templateUrl: 'partials/verify-email.html', verify_email: true});

Note: Don't provide this route with a controller, the module will automatically do that. If you want to handle errors, check if the usual error object is set.

The template partials/verify-email.html could look something like this:

<div ng-show="loading">
	Verifying your email address, please wait...
</div>
<div ng-show="!loading">
	Your email address has been verified, <a href="#/login">click here</a> to log in.
</div>

The variable loading is set to true while the email token is being verified against UserApp.

Now, log in into UserApp and edit the Verification Email to include a link to http://yourapp.com/#/verify-email?email_token={{email_token}}, where "http://yourapp.com" should be replaced with your own address (e.g. "http://localhost").

And that should do it! Try to sign up with your own email address and check that the flow works as it should.

Reset password

To implement a reset-password functionality together with UserApp's Email Add-on, first make sure that the add-on is enabled and that you have enabled the reset-password email. (Log in->Add-ons->Email).

Then create a new route that will be used for the reset-password form:

$routeProvider.when('/reset-password', {templateUrl: 'partials/reset-password.html', public: true});

Note: Set the public flag to true so it will be accessible without logging in.

The template partials/reset-password.html should consist of a form with an input box for login/username, and a submit button. Something like this:

<form ua-reset-password ng-show="!emailSent">
    <input name="login" placeholder="Username"><br>
    <button type="submit">Send email</button>
    
    <p ng-show="error">{{ error.message }}</p>
</form>

<p ng-show="emailSent">An email has been sent to your inbox. Click on the link to set a new password.</p>

The directive ua-reset-password connects the form to UserApp, with the input named login as the login name. When an error occurs, the error object will contain more information about it.

When the email has been sent, the variable emailSent is set to true. Use this to show a friendly message to the user, like in the example above.

Next step is to set up the route which the user will enter the new password. Create a new route with the set_password flag set to true, like this:

$routeProvider.when('/set-password', {templateUrl: 'partials/set-password.html', set_password: true});

The template partials/set-password.html should consist of a form with an input box for the new password, and a submit button:

<form ua-set-password ng-show="!passwordSaved">
    <input name="new_password" placeholder="New password"><br>
    <button type="submit">Send email</button>
    
    <p ng-show="error">{{ error.message }}</p>
</form>

<p ng-show="passwordSaved">Your new password has been saved, now <a href="#/login">log in</a>!</p>

Attach the form to UserApp with the ua-set-password directive and an input named new_password. Use the error object to show errors. When the password has been saved, the variable passwordSaved will be set to true.

And last, log into UserApp and include a link to the set-password form in the Reset Password email, so something like this: http://yourapp.com/#/set-password?password_token={{password_token}}, where "http://yourapp.com" should be replaced with your own address (e.g. "http://localhost").

Permission-based routes

To add permissions to a route, use the ´hasPermission´ property and specify all the required permissions as an array, like this:

$routeProvider.when('/admin', {templateUrl: 'partials/admin.html', hasPermission: ['admin']});

or as a string, like this:

$routeProvider.when('/admin', {templateUrl: 'partials/admin.html', hasPermission: 'admin'});

Logged in users who try to access the route without the proper permissions will be redirected to the default route.

Loaders

All directives except ua-logout sets the scope variable loading to true while it's doing work in the background. This way you could show a loader animation while waiting for the UserApp API to respond. Here's an example with the login form:

<form ua-login>
    <input name="login" placeholder="Username"><br>
    <input name="password" placeholder="Password" type="password"><br>

    <button type="submit">
	    <span ng-show="!loading">Log In</span>
	    <img ng-show="loading" src="https://app.userapp.io/img/ajax-loader-transparent.gif">
    </button>

    <p ng-show="error">{{ error.message }}</p>
</form>

Back-end

To connect your AngularJS app to a back-end API, perform the AJAX requests on the same domain. And then on the back-end, get the cookie ua_session_token and use UserApp's token.heartbeat() or user.get() to verify that the user is authenticated. The result should then be cached to reduce round-trips to UserApp.

Services

user

The main service with all session handling etc.

user.init(config)

Initiate the service with your App Id.
```
  user.init({ appId: 'YOUR_APP_ID' });
```
user.status()

Returns the status of the session:
```
  { authenticated: false }
```
user.appId([value])

Sets and gets the App Id.
user.token([value])

Sets and gets the session token (stored in a cookie).
user.current

The logged in user. See User documentation for more info.

user.signup(user[, callback])

Sign up a user, log in, and redirect to default route.

  user.signup({ login: 'timothy', email: '[email protected]', password: 't1m0thy' }, function(error, result) {});

user.login(user[, callback])

Log in a user and redirect to default route.

  user.login({ login: 'timothy', password: 't1m0thy' }, function(error, result) {});

user.logout([callback])

Log out the logged in user and redirect to the log in route.
```
  user.logout(function(error, result) {});
```
user.verifyEmail(emailToken[, callback])

Verifies an email address using an email token. Should be used together with the Email Add-on.
```
  user.verifyEmail('EMAIL_TOKEN', function(error, result) {});
```
user.resetPassword(user[, callback])

Use this together with the Email Add-on to send a reset-password email to the user.
```
  user.resetPassword({ login: 'timothy' }, function(error, result) {});
```
user.setPassword(passwordToken, newPassword[, callback])

Sets a new password using a password token.
```
  user.setPassword('PASSWORD_TOKEN', 'secretPassw0rd', function(error, result) {});
```
user.hasPermission(permissions)

Returns true if the user has all the permissions in the string or array permissions. Else it returns false.
```
  var result = user.hasPermission('edit');
  var result = user.hasPermission(['edit', 'post']);
```
user.hasFeature(features)

Returns true if the user has all the features in the string or array features. Else it returns false.
```
  var result = user.hasFeature('editor');
  var result = user.hasFeature(['editor', 'another_feature']);
```

UserApp

Exposes the full UserApp API with the JavaScript library.

Directives

ua-login

Add this to a form tag to attach it to the user.login() function. The error object will be set when an error occurs.

  <form ua-login>
  	<input name="login" placeholder="Username"><br>
  	<input name="password" placeholder="Password" type="password"><br>
  	<button type="submit">Log In</button>
  	
  	<p ng-show="error">{{ error.message }}</p>
  </form>

ua-logout

Add this to a log out link to attach it to the user.logout() function.
```
  <a href="#" ua-logout>Log Out</a>
```
ua-signup

Add this to a form tag to attach it to the user.signup() function. Use the error object to show an message if an error occurs. Use ua-is-email on the login input to specify that login is the same as email. All input field names must reflect the user's properties.
```
  <form ua-signup>
  	<input name="first_name" placeholder="Name"><br>
  	<input name="login" ua-is-email placeholder="Email"><br>
  	<input name="password" placeholder="Password" type="password"><br>
  	<button type="submit">Create Account</button>
  	
  	<p ng-show="error">{{ error.message }}</p>
  </form>
```
To set custom properties on the user at the signup, name the custom fields properties.[name]. For example if you have a property called age, create an input like this:
```
  <input name="properties.age" placeholder="Age">
```
Note: If you have activated the Email Add-on and the Verification Email, the user won't be logged in after the sign up. Instead, the variable verificationEmailSent will be set to true so you could display a message to the user asking them to check the inbox.
ua-reset-password

Add this to a form tag to attach it to the user.resetPassword() function. Use the error object to show an message if an error occurs. The form must have an input named login. When the email has been sent out, the variable emailSent will be set to true. This directive can only be used together with the Email Add-on to send reset-password email.
```
  <form ua-reset-password ng-show="!emailSent">
      <input name="login" placeholder="Username"><br>
      <button type="submit">Send email</button>

      <p ng-show="error">{{ error.message }}</p>
  </form>
  <p ng-show="emailSent">An email has been sent to your inbox. Click on the link to set a new password.</p>
```
ua-set-password

Add this to a form tag to attach it to the user.setPassword() function (i.e. the API method user.changePassword() with the parameter password_token). Use the error object to show an message if an error occurs. The form must have an input named new_password. When the password has been saved, the variable passwordSaved will be set to true.
```
  <form ua-set-password ng-show="!passwordSaved">
      <input name="new_password" type="password" placeholder="New password"><br>
      <button type="submit">Save</button>

      <p ng-show="error">{{ error.message }}</p>
  </form>
  <p ng-show="passwordSaved">Your new password has been saved, now <a href="#/login">log in</a>!</p>
```
ua-oauth-link

Add this to a link tag in order to authenticate using an OAuth provider. The value should be an OAuth provider id such as google, github, facebook or linkedin. Additionally: Use ua-error to specify an error element. Use ua-oauth-scopes to specify OAuth scopes to request by provider. The scopes must be a comma-separated list of scopes, i.e. user,user:email. Use ua-oauth-redirect-uri to explicitly specify the URI to be redirected to after provider has performed authentication. If not specified, the default URI will be /#/oauth/callback/.
```
  <a href="" ua-oauth-link="google">Log in with Google</a>
```
Read more about how to use OAuth/Social Login with UserApp.
ua-has-permission="permissions"

Add this to an element to attach it to the user.hasPermission() function. The element will be hidden if not all permissions are true. Multiple permissions are separated with whitespace.
```
  <a href="#" ua-has-permission="edit">Edit Post</a>
```
ua-has-feature="features"

Add this to an element to attach it to the user.hasFeature() function. The element will be hidden if not all features are true. Multiple features are separated with whitespace.
```
  <a href="#" ua-has-feature="fancy_feature">Go to Fancy Feature...</a>
```

Events

user.error

Event triggered when an error occurs.

  $rootScope.$on('user.error', function(sender, error) {
  	console.log(error.message);
  });

user.login

Event triggered when user logs in.

  $rootScope.$on('user.login', function() {
  	console.log(user.current);
  });

user.logout

Event triggered when user logs out.

  $rootScope.$on('user.logout', function() {
  	console.log('Bye!');
  });

Example

See example/ for a demo app based on angular-seed.

Help

Contact us via email at [email protected] or visit our support center. You can also see the UserApp documentation for more information.

License

MIT, see LICENSE.

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UserApp AngularJS

Getting Started

Verify email address

Reset password

Permission-based routes

Loaders

Back-end

Services

user

UserApp

Directives

Events

Example

Help

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Getting Started

Verify email address

Reset password

Permission-based routes

Loaders

Back-end

Services

user

UserApp

Directives

Events

Example

Help

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