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Yii-Permission

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Use Casbin in Yii 2.0 PHP Framework.

Installation

Getting Composer package

Require this package in the composer.json of your Yii 2.0 project. This will download the package.

composer require casbin/yii-permission

Configuring application

To use this extension, you have to configure the Casbin class in your application configuration:

return [
    //....
    'components' => [
        'permission' => [
            'class' => \yii\permission\Permission::class,
            
            /*
             * Casbin model setting.
             */
            'model' => [
                // Available Settings: "file", "text"
                'config_type' => 'file',
                'config_file_path' => '/path/to/casbin-model.conf',
                'config_text' => '',
            ],

            // Casbin adapter .
            'adapter' => \yii\permission\Adapter::class,

            /*
             * Casbin database setting.
             */
            'database' => [
                // Database connection for following tables.
                'connection' => '',
                // CasbinRule tables and model.
                'casbin_rules_table' => '{{%casbin_rule}}',
            ],
        ],
    ]
];

Usage

Quick start

Once installed you can do stuff like this:


$permission = \Yii::$app->permission;

// adds permissions to a user
$permission->addPermissionForUser('eve', 'articles', 'read');
// adds a role for a user.
$permission->addRoleForUser('eve', 'writer');
// adds permissions to a rule
$permission->addPolicy('writer', 'articles','edit');

You can check if a user has a permission like this:

// to check if a user has permission
if ($permission->enforce("eve", "articles", "edit")) {
    // permit eve to edit articles
} else {
    // deny the request, show an error
}

Using Enforcer Api

It provides a very rich api to facilitate various operations on the Policy:

Gets all roles:

$permission->getAllRoles(); // ['writer', 'reader']

Gets all the authorization rules in the policy.:

$permission->getPolicy();

Gets the roles that a user has.

$permission->getRolesForUser('eve'); // ['writer']

Gets the users that has a role.

$permission->getUsersForRole('writer'); // ['eve']

Determines whether a user has a role.

$permission->hasRoleForUser('eve', 'writer'); // true or false

Adds a role for a user.

$permission->addRoleForUser('eve', 'writer');

Adds a permission for a user or role.

// to user
$permission->addPermissionForUser('eve', 'articles', 'read');
// to role
$permission->addPermissionForUser('writer', 'articles','edit');

Deletes a role for a user.

$permission->deleteRoleForUser('eve', 'writer');

Deletes all roles for a user.

$permission->deleteRolesForUser('eve');

Deletes a role.

$permission->deleteRole('writer');

Deletes a permission.

$permission->deletePermission('articles', 'read'); // returns false if the permission does not exist (aka not affected).

Deletes a permission for a user or role.

$permission->deletePermissionForUser('eve', 'articles', 'read');

Deletes permissions for a user or role.

// to user
$permission->deletePermissionsForUser('eve');
// to role
$permission->deletePermissionsForUser('writer');

Gets permissions for a user or role.

$permission->getPermissionsForUser('eve'); // return array

Determines whether a user has a permission.

$permission->hasPermissionForUser('eve', 'articles', 'read');  // true or false

See Casbin API for more APIs.

Define your own model.conf

Supported models.

Learning Casbin

You can find the full documentation of Casbin on the website.


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