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<?php |
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namespace Itstructure\LaRbac\Traits; |
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use Itstructure\LaRbac\Interfaces\RbacUserInterface; |
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use Itstructure\LaRbac\Models\{Role, Permission}; |
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/** |
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* Class Administrable |
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* |
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* @package Itstructure\LaRbac\Traits |
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*/ |
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trait Administrable |
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{ |
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/** |
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* New filled roles. |
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* |
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* @var array |
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*/ |
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private $_roles; |
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/** |
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* @var int|null |
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*/ |
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private $_countAdministrativeRoles; |
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/** |
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* User identifier. |
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* @return mixed |
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*/ |
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public function getMemberKeyAttribute() |
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{ |
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return $this->attributes[$this->getAuthIdentifierName()]; |
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} |
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/** |
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* @return string |
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*/ |
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public function getMemberNameAttribute(): string |
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{ |
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$userNameAttributeKey = config('rbac.memberNameAttributeKey'); |
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if (empty($userNameAttributeKey)) { |
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return ''; |
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} |
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if (is_string($userNameAttributeKey)) { |
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return $this->attributes[$userNameAttributeKey]; |
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} |
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if (is_callable($userNameAttributeKey)) { |
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return $userNameAttributeKey($this); |
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} |
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return ''; |
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} |
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/** |
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* Set new filled roles. |
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* @param $value |
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* @return void |
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*/ |
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public function setRolesAttribute($value): void |
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{ |
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$this->_roles = $value; |
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} |
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/** |
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* Get user roles by relation. |
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* @return \Illuminate\Database\Eloquent\Relations\BelongsToMany |
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*/ |
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public function roles() |
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{ |
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return $this->belongsToMany(Role::class, 'user_role', 'user_id', 'role_id')->withTimestamps(); |
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} |
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/** |
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* Checks if User has access to $permissions. |
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* @param array $permissions |
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* @return bool |
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*/ |
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public function hasAccess(array $permissions) : bool |
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{ |
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// check if the permission is available in any role |
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/* @var Role $role */ |
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foreach ($this->roles()->get() as $role) { |
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if($role->hasAccess($permissions)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Checks if the user belongs to role. |
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* @param string $roleSlug |
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* @return bool |
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*/ |
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public function inRole(string $roleSlug): bool |
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{ |
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return $this->roles()->where('slug', $roleSlug)->count() == 1; |
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} |
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/** |
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* Can assign role checking. |
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* @param RbacUserInterface $member |
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* @param Role $role |
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* @return bool |
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*/ |
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public function canAssignRole(RbacUserInterface $member, Role $role): bool |
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{ |
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if ($this->countAdministrativeRoles() == 0) { |
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return false; |
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} |
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if ($this->getMemberKeyAttribute() != $member->getMemberKeyAttribute()) { |
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return true; |
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} |
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if ($this->countAdministrativeRoles() > 1) { |
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return true; |
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} |
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if (!$role->hasAccess([Permission::ADMINISTRATE_PERMISSION])) { |
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return true; |
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} |
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if ($this->inRole($role->slug)) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Synchronize user roles after save model. |
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* @param array $options |
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* @return bool |
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*/ |
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public function save(array $options = []) |
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{ |
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if (!parent::save($options)) { |
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return false; |
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} |
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if (null !== $this->_roles) { |
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$this->roles()->sync($this->_roles); |
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} |
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return true; |
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} |
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/** |
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* @return int |
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*/ |
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private function countAdministrativeRoles(): int |
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{ |
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if (null !== $this->_countAdministrativeRoles) { |
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return $this->_countAdministrativeRoles; |
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} |
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$this->_countAdministrativeRoles = 0; |
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/* @var Role $role */ |
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foreach ($this->roles()->get() as $role) { |
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if($role->hasAccess([Permission::ADMINISTRATE_PERMISSION])) { |
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$this->_countAdministrativeRoles += 1; |
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} |
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} |
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return $this->_countAdministrativeRoles; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: