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Package laravel-authorize
Short Description Allows authorize user based on role or permission
License MIT
Informations about the package laravel-authorize
Laravel Authorize
This module makes managing user access to different parts of Laravel applications easier. You can protect your routes with authorize
middleware based on user roles or user permissions without adding any extra code to your controller to keep them as clean as no authorization were used at all.
Supported versions
To install in Laravel 5.4+ use this branch, however to install in Laravel >= 5.1 and Laravel < 5.4 please refer to version 1.1.
Installation
-
Run
in console to install this module
-
Open
config/app.php
and:-
Comment line with
-
Add
in same section (
providers
)
-
-
Run
in your console to publish default configuration files, middleware, base policy class and unauthorized view
-
In
app/Http/Kernel.php
in$routeMiddleware
add:to register
Authorize
middleware -
Open
App\Http\Middleware\Authorize.php
and adjusterrorResponse
andreportUnauthorizedAttempt
to your needs. In case defaults are fine to you, openresources/views/errors/401.blade.php
and adjust this template to your needs - by default this view will be used if user has no permissions to given route. -
Open your
User.php
model file and addbefore class definition and make
User
class implement this interface, so it should look like thisAs
...
you should leave all default interfaces this classUser
implements. -
Make sure your
User
class implementsRoleable
Contract. In order to do that, you need to implement 2 methods:hasRole
andgetRoles
. To simplify this, you can use defaultRoleable
Trait. Just put inside yourUser
class:Be aware this trait assumes you have
role
property forUser
model (what is equal that you haverole
column in yourusers
table in database that hold your role name). In many cases it won't be true, so you need to override at leastgetRoles
method to get valid user roles. Assuming you have one to manyrole
relationship (user is only assigned to single role), custom implementation could look like this:Of course, if user can be assigned in your system to multiple roles or your database structure looks different, you should adjust this method code to match your application logic.
Getting started
This module allows you to protect your routes with authorize
middleware. You have 2 ways to use this middleware (you can use both in same application) - either based on roles
or based on permissions
.
Using this module you can set permissions both for authorized and not-authorized users to keep authorization layer consistent.
1. Role based authorization
You can specify middleware with arguments for example authorize:manager,employee
- in this case only user role will be verified. In this example if user has any role manager
or employee
they will be allowed to access route, otherwise they won't be allowed to do that. However in above example also users with super_roles
will be allowed to do this (super_roles
in config/authorize.php
). So if you define in super_roles
also admin
, also users with admin
role will be allowed to access this route so you don't need to specify admin
role in case you specify other roles (but of course you can do this if you want).
Nothing more needs to be configured to use this mode.
2. Permission based authorization
In this option, you cannot use closures in routes protected by authorize
middleware. Make sure you don't use them in those routes or you'll get exception when applying authorize
middleware
If you use middleware without any arguments for example authorize
, it will take advantage of Laravel authorization with some extra changes to this mechanism. By default Laravel suggests creating policies for Models but it might be more reasonable in some cases to use policies for controllers and that's what this module does.
Configuration
Open config/authorize.php
and in super_roles
put roles name for which you allow everything so no extra checks will be made. In most cases it's reasonable to put here admin
role but in some cases you might want to leave this empty if you want to run mode detailed rules. Put all roles you use in your application into roles
section of permissions
section.
Protecting your controllers
Let's assume we have controller UserController
with default REST actions - index
, show
, create
, store
, edit
, update
, destroy
and we would like to to protect this controller with authorize
middleware because we don't want all users to allow all actions from this controller.
First, we need to open app\Providers\AuthServiceProvider.php
and add policy mapping for our controller in $policies
property:
Now, let's create Policy class in app/Policies/UserControllerPolicy.php
file with the following definition
Now, you need to open config/authorize.php
and in section available
in permissions
you will add permissions you need to use in order to protect each controller method. By default permissions are in format $group . controller method
. We defined in UserControllerPolicy
group as user
and in our controller we have the following methods: index
, show
, create
, store
, edit
, update
, destroy
, so our permissions should by default look like this:
But in fact in most cases you don't need permission for create
at all. User should be able to run create
method of controller only if they have permission to run store
method. Same would apply to edit
- they should be able to run edit
only if they have permission to run update
(this behaviour can be modified - see Customization
), so let's add into those section only below permissions:
Now, it's time to set those permissions for different roles. In section roles
in permissions
you have some example roles. You should put here roles that match your system roles names and assign to them any of those permissions. For admin
user usually you want to allow everything, so you can add only *
as permission and it means, that role admin
will have all permissions defined in available
section.
Now make sure, you apply authorize
middleware to UserController
in your routes.php for example this way:
and that's it! You've protected your first controller with authorize
middleware.
If you want to protect another controller, just repeat those steps. You need to of course make sure you set $group
property in your new policy class to unique value.
Advanced usage
By default as previously showed, you can create very simple policy class for your controller and that's it. However in real application, you might want to use more complex rules in order to verify if user has or not access to given controller method. For example user might have permission to update user, but they are allowed to update only his own account.
Default flow for authorization verification looks like this:
- if user is not logged it will be applied for him role set as value for
guest_role_name
(by defaultanonymous
) - if user has super role (you can configure them in
super_roles
section inconfig/authorize.php
) it will have permission for anything and no custom methods will be run - if user does not have necessary permission, no further checks will be made
- if user has necessary permission, we verify if there are custom method in Policy for ability (the method name should match the method name from controller). If there's not, user will be allowed to run this action
- however if there is custom method in Policy for ability, whether user can run this action or not will depend on result of custom method for this ability.
Let's assume we have route like this:
and we would like to allow displaying all users only for admin role, and for others we would like to to allow displaying only their own account.
we could have registered in RouteServiceProvider.php
the following route model binding:
So, now in our UserControllerPolicy
class we could create the following method:
And now this extra method will be used after verification if user has user.show
permission. Because in above case we assume we have admin role in super_roles
that's it what we need to use here.
Of course, in addition, you could use here also $type
parameter or also request parameters (in case they should affect authorization) using getRequest()
method or using property $request
directly.
Be aware that in above example we assume $user
is User object. However in case we allow this route also for unauthorized user, we should modify the code to handle also such situation. Let's assume we would like to allow unauthorized user access to see any user and for authorized only their own profile. In such case, we should alter code of the method like so:
Customization
By default, all create
and edit
abilities will be automatically replaced by store
and update
because in most cases this will be desired behaviour. However, if you don't want to use it this way or you want to create custom ability mappings, just open app/Policies/BasePolicyController
class and create custom getAbilityMappings
method. Of course you could do it also in single Policy class for example UserControllerPolicy
if you want to.
Also in some cases it could happen that for methods in 2 different controller you would like to use same permission. Then you could in one of your Policy classes, create custom getPermissionMappings
method, for example:
and this way you could use permission not base on group
assigned to current Policy class.
Advanced customization
This module uses default implementation for the following interfaces:
Mnabialek\LaravelAuthorize\Contracts\Permissionable
Mnabialek\LaravelAuthorize\Contracts\PermissionHandler
But in some cases you might want to override default implementation or create custom one. For example you might want to use custom database handler to store permissions in database.
So if you want create custom implementation, just implement any of those 2 interfaces and in config/authorize.php
in bindings
section set your custom bindings for those interfaces.
Licence
This package is licenced under the MIT license