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Roles And Permissions For Laravel 5.4

A Powerful package for handling roles and permissions in Laravel 5.4.

• Installation
  • Composer
  • Service Provider
  • Config File And Migrations
  • HasRoleAndPermission Trait And Contract
  • Migrations and Seeds
  • Migrate from Bican roles
• Usage
  • Creating Roles
  • Attaching, Detaching and Syncing Roles
  • Assign a user role to new registered users
  • Checking For Roles
  • Levels
  • Creating Permissions
  • Attaching, Detaching and Syncing Permissions
  • Checking For Permissions
  • Permissions Inheriting
  • Entity Check
  • Blade Extensions
  • Middleware
• Config File
• More Information
• License

Installation

This package is very easy to set up. There are only couple of steps.

Composer

Pull this package in through Composer

Service Provider

Add the package to your application service providers in config/app.php file.

Config File

Publish the package config file and migrations to your application. Run these commands inside your terminal.

php artisan vendor:publish --provider="jeremykenedy\LaravelRoles\RolesServiceProvider" --tag=config
php artisan vendor:publish --provider="jeremykenedy\LaravelRoles\RolesServiceProvider" --tag=migrations
php artisan vendor:publish --provider="jeremykenedy\LaravelRoles\RolesServiceProvider" --tag=seeds

HasRoleAndPermission Trait And Contract

1. Include HasRoleAndPermission trait and also implement HasRoleAndPermission contract inside your User model. See example below.

2. Include use jeremykenedy\LaravelRoles\Traits\HasRoleAndPermission; in the top of your User model below the namespace and implement the HasRoleAndPermission trait. See example below.

Example User model Trait And Contract:

Migrations and seeds

This uses the default users table which is in Laravel. You should already have the migration file for the users table available and migrated.

1. Setup the needed tables:

   php artisan migrate

2. Update database\seeds\DatabaseSeeder.php to include the seeds. See example below.

3. Seed an initial set of Permissions, Roles, and Users with roles.

Roles Seeded

Permissions Seeded:

And that's it!

Migrate from bican roles

If you migrate from bican/roles to jeremykenedy/LaravelRoles you will need to update a few things.

• Change all calls to can, canOne and canAll to hasPermission, hasOnePermission, hasAllPermissions.
• Change all calls to is, isOne and isAll to hasRole, hasOneRole, hasAllRoles.

Usage

Creating Roles

Because of Slugable trait, if you make a mistake and for example leave a space in slug parameter, it'll be replaced with a dot automatically, because of str_slug function.

Attaching, Detaching and Syncing Roles

It's really simple. You fetch a user from database and call attachRole method. There is BelongsToMany relationship between User and Role model.

Assign a user role to new registered users

You can assign the user a role upon the users registration by updating the file app\Http\Controllers\Auth\RegisterController.php. You can assign a role to a user upon registration by including the needed models and modifying the create() method to attach a user role. See example below:

• Update the top of app\Http\Controllers\Auth\RegisterController.php:

• Updated create() method of app\Http\Controllers\Auth\RegisterController.php:

Checking For Roles

You can now check if the user has required role.

You can also do this:

And of course, there is a way to check for multiple roles:

Levels

When you are creating roles, there is optional parameter level. It is set to 1 by default, but you can overwrite it and then you can do something like this:

If user has multiple roles, method level returns the highest one.

Level has also big effect on inheriting permissions. About it later.

Creating Permissions

It's very simple thanks to Permission model.

Attaching, Detaching and Syncing Permissions

You can attach permissions to a role or directly to a specific user (and of course detach them as well).

Checking For Permissions

You can check for multiple permissions the same way as roles. You can make use of additional methods like hasOnePermission or hasAllPermissions.

Permissions Inheriting

Role with higher level is inheriting permission from roles with lower level.

There is an example of this magic:

You have three roles: user, moderator and admin. User has a permission to read articles, moderator can manage comments and admin can create articles. User has a level 1, moderator level 2 and admin level 3. It means, moderator and administrator has also permission to read articles, but administrator can manage comments as well.

If you don't want permissions inheriting feature in you application, simply ignore level parameter when you're creating roles.

Entity Check

Let's say you have an article and you want to edit it. This article belongs to a user (there is a column user_id in articles table).

This condition checks if the current user is the owner of article. If not, it will be looking inside user permissions for a row we created before.

Blade Extensions

There are four Blade extensions. Basically, it is replacement for classic if statements.

Middleware

This package comes with VerifyRole, VerifyPermission and VerifyLevel middleware. You must add them inside your app/Http/Kernel.php file.

Now you can easily protect your routes.

It throws \jeremykenedy\LaravelRoles\Exceptions\RoleDeniedException, \jeremykenedy\LaravelRoles\Exceptions\PermissionDeniedException or \jeremykenedy\LaravelRoles\Exceptions\LevelDeniedException exceptions if it goes wrong.

You can catch these exceptions inside app/Exceptions/Handler.php file and do whatever you want.

Config File

You can change connection for models, slug separator, models path and there is also a handy pretend feature. Have a look at config file for more information.

More Information

For more information, please have a look at HasRoleAndPermission contract.

Credit Note

This package is an adaptation of romanbican/roles and ultraware/roles.

License

This package is free software distributed under the terms of the MIT license.