BookStack/app/Repos/PermissionsRepo.php

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<?php namespace BookStack\Repos;
use BookStack\Exceptions\PermissionsException;
use BookStack\RolePermission;
use BookStack\Role;
use BookStack\Services\PermissionService;
use Setting;
class PermissionsRepo
{
protected $permission;
protected $role;
protected $permissionService;
protected $systemRoles = ['admin', 'public'];
/**
* PermissionsRepo constructor.
* @param RolePermission $permission
* @param Role $role
* @param PermissionService $permissionService
*/
public function __construct(RolePermission $permission, Role $role, PermissionService $permissionService)
{
$this->permission = $permission;
$this->role = $role;
$this->permissionService = $permissionService;
}
/**
* Get all the user roles from the system.
* @return \Illuminate\Database\Eloquent\Collection|static[]
*/
public function getAllRoles()
{
return $this->role->where('hidden', '=', false)->get();
}
/**
* Get all the roles except for the provided one.
* @param Role $role
* @return mixed
*/
public function getAllRolesExcept(Role $role)
{
return $this->role->where('id', '!=', $role->id)->where('hidden', '=', false)->get();
}
/**
* Get a role via its ID.
* @param $id
* @return mixed
*/
public function getRoleById($id)
{
return $this->role->findOrFail($id);
}
/**
* Save a new role into the system.
* @param array $roleData
* @return Role
*/
public function saveNewRole($roleData)
{
$role = $this->role->newInstance($roleData);
$role->name = str_replace(' ', '-', strtolower($roleData['display_name']));
// Prevent duplicate names
while ($this->role->where('name', '=', $role->name)->count() > 0) {
$role->name .= strtolower(str_random(2));
}
$role->save();
$permissions = isset($roleData['permissions']) ? array_keys($roleData['permissions']) : [];
$this->assignRolePermissions($role, $permissions);
$this->permissionService->buildJointPermissionForRole($role);
return $role;
}
/**
* Updates an existing role.
* Ensure Admin role always has all permissions.
* @param $roleId
* @param $roleData
* @throws PermissionsException
*/
public function updateRole($roleId, $roleData)
{
$role = $this->role->findOrFail($roleId);
if ($role->hidden) throw new PermissionsException("Cannot update a hidden role");
$permissions = isset($roleData['permissions']) ? array_keys($roleData['permissions']) : [];
$this->assignRolePermissions($role, $permissions);
if ($role->name === 'admin') {
$permissions = $this->permission->all()->pluck('id')->toArray();
$role->permissions()->sync($permissions);
}
$role->fill($roleData);
$role->save();
$this->permissionService->buildJointPermissionForRole($role);
}
/**
* Assign an list of permission names to an role.
* @param Role $role
* @param array $permissionNameArray
*/
public function assignRolePermissions(Role $role, $permissionNameArray = [])
{
$permissions = [];
$permissionNameArray = array_values($permissionNameArray);
if ($permissionNameArray && count($permissionNameArray) > 0) {
$permissions = $this->permission->whereIn('name', $permissionNameArray)->pluck('id')->toArray();
}
$role->permissions()->sync($permissions);
}
/**
* Delete a role from the system.
* Check it's not an admin role or set as default before deleting.
* If an migration Role ID is specified the users assign to the current role
* will be added to the role of the specified id.
* @param $roleId
* @param $migrateRoleId
* @throws PermissionsException
*/
public function deleteRole($roleId, $migrateRoleId)
{
$role = $this->role->findOrFail($roleId);
// Prevent deleting admin role or default registration role.
if ($role->system_name && in_array($role->system_name, $this->systemRoles)) {
throw new PermissionsException('This role is a system role and cannot be deleted');
} else if ($role->id == setting('registration-role')) {
throw new PermissionsException('This role cannot be deleted while set as the default registration role.');
}
if ($migrateRoleId) {
$newRole = $this->role->find($migrateRoleId);
if ($newRole) {
$users = $role->users->pluck('id')->toArray();
$newRole->users()->sync($users);
}
}
$this->permissionService->deleteJointPermissionsForRole($role);
$role->delete();
}
}