mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-08-26 20:22:18 +00:00
406 lines
14 KiB
PHP
406 lines
14 KiB
PHP
<?php
|
|
|
|
namespace BookStack\Auth\Permissions;
|
|
|
|
use BookStack\Auth\Role;
|
|
use BookStack\Entities\Models\Book;
|
|
use BookStack\Entities\Models\BookChild;
|
|
use BookStack\Entities\Models\Bookshelf;
|
|
use BookStack\Entities\Models\Chapter;
|
|
use BookStack\Entities\Models\Entity;
|
|
use BookStack\Entities\Models\Page;
|
|
use Illuminate\Database\Eloquent\Builder;
|
|
use Illuminate\Database\Eloquent\Collection as EloquentCollection;
|
|
use Illuminate\Support\Facades\DB;
|
|
|
|
/**
|
|
* Joint permissions provide a pre-query "cached" table of view permissions for all core entity
|
|
* types for all roles in the system. This class generates out that table for different scenarios.
|
|
*/
|
|
class JointPermissionBuilder
|
|
{
|
|
/**
|
|
* @var array<string, array<int, SimpleEntityData>>
|
|
*/
|
|
protected $entityCache;
|
|
|
|
/**
|
|
* Re-generate all entity permission from scratch.
|
|
*/
|
|
public function rebuildForAll()
|
|
{
|
|
JointPermission::query()->truncate();
|
|
|
|
// Get all roles (Should be the most limited dimension)
|
|
$roles = Role::query()->with('permissions')->get()->all();
|
|
|
|
// Chunk through all books
|
|
$this->bookFetchQuery()->chunk(5, function (EloquentCollection $books) use ($roles) {
|
|
$this->buildJointPermissionsForBooks($books, $roles);
|
|
});
|
|
|
|
// Chunk through all bookshelves
|
|
Bookshelf::query()->withTrashed()->select(['id', 'restricted', 'owned_by'])
|
|
->chunk(50, function (EloquentCollection $shelves) use ($roles) {
|
|
$this->createManyJointPermissions($shelves->all(), $roles);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Rebuild the entity jointPermissions for a particular entity.
|
|
*/
|
|
public function rebuildForEntity(Entity $entity)
|
|
{
|
|
$entities = [$entity];
|
|
if ($entity instanceof Book) {
|
|
$books = $this->bookFetchQuery()->where('id', '=', $entity->id)->get();
|
|
$this->buildJointPermissionsForBooks($books, Role::query()->with('permissions')->get()->all(), true);
|
|
|
|
return;
|
|
}
|
|
|
|
/** @var BookChild $entity */
|
|
if ($entity->book) {
|
|
$entities[] = $entity->book;
|
|
}
|
|
|
|
if ($entity instanceof Page && $entity->chapter_id) {
|
|
$entities[] = $entity->chapter;
|
|
}
|
|
|
|
if ($entity instanceof Chapter) {
|
|
foreach ($entity->pages as $page) {
|
|
$entities[] = $page;
|
|
}
|
|
}
|
|
|
|
$this->buildJointPermissionsForEntities($entities);
|
|
}
|
|
|
|
/**
|
|
* Build the entity jointPermissions for a particular role.
|
|
*/
|
|
public function rebuildForRole(Role $role)
|
|
{
|
|
$roles = [$role];
|
|
$role->jointPermissions()->delete();
|
|
$role->load('permissions');
|
|
|
|
// Chunk through all books
|
|
$this->bookFetchQuery()->chunk(20, function ($books) use ($roles) {
|
|
$this->buildJointPermissionsForBooks($books, $roles);
|
|
});
|
|
|
|
// Chunk through all bookshelves
|
|
Bookshelf::query()->select(['id', 'restricted', 'owned_by'])
|
|
->chunk(50, function ($shelves) use ($roles) {
|
|
$this->createManyJointPermissions($shelves->all(), $roles);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Prepare the local entity cache and ensure it's empty.
|
|
*
|
|
* @param SimpleEntityData[] $entities
|
|
*/
|
|
protected function readyEntityCache(array $entities)
|
|
{
|
|
$this->entityCache = [];
|
|
|
|
foreach ($entities as $entity) {
|
|
if (!isset($this->entityCache[$entity->type])) {
|
|
$this->entityCache[$entity->type] = [];
|
|
}
|
|
|
|
$this->entityCache[$entity->type][$entity->id] = $entity;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get a book via ID, Checks local cache.
|
|
*/
|
|
protected function getBook(int $bookId): SimpleEntityData
|
|
{
|
|
return $this->entityCache['book'][$bookId];
|
|
}
|
|
|
|
/**
|
|
* Get a chapter via ID, Checks local cache.
|
|
*/
|
|
protected function getChapter(int $chapterId): SimpleEntityData
|
|
{
|
|
return $this->entityCache['chapter'][$chapterId];
|
|
}
|
|
|
|
/**
|
|
* Get a query for fetching a book with its children.
|
|
*/
|
|
protected function bookFetchQuery(): Builder
|
|
{
|
|
return Book::query()->withTrashed()
|
|
->select(['id', 'restricted', 'owned_by'])->with([
|
|
'chapters' => function ($query) {
|
|
$query->withTrashed()->select(['id', 'restricted', 'owned_by', 'book_id']);
|
|
},
|
|
'pages' => function ($query) {
|
|
$query->withTrashed()->select(['id', 'restricted', 'owned_by', 'book_id', 'chapter_id']);
|
|
},
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Build joint permissions for the given book and role combinations.
|
|
*/
|
|
protected function buildJointPermissionsForBooks(EloquentCollection $books, array $roles, bool $deleteOld = false)
|
|
{
|
|
$entities = clone $books;
|
|
|
|
/** @var Book $book */
|
|
foreach ($books->all() as $book) {
|
|
foreach ($book->getRelation('chapters') as $chapter) {
|
|
$entities->push($chapter);
|
|
}
|
|
foreach ($book->getRelation('pages') as $page) {
|
|
$entities->push($page);
|
|
}
|
|
}
|
|
|
|
if ($deleteOld) {
|
|
$this->deleteManyJointPermissionsForEntities($entities->all());
|
|
}
|
|
|
|
$this->createManyJointPermissions($entities->all(), $roles);
|
|
}
|
|
|
|
/**
|
|
* Rebuild the entity jointPermissions for a collection of entities.
|
|
*/
|
|
protected function buildJointPermissionsForEntities(array $entities)
|
|
{
|
|
$roles = Role::query()->get()->values()->all();
|
|
$this->deleteManyJointPermissionsForEntities($entities);
|
|
$this->createManyJointPermissions($entities, $roles);
|
|
}
|
|
|
|
/**
|
|
* Delete all the entity jointPermissions for a list of entities.
|
|
*
|
|
* @param Entity[] $entities
|
|
*/
|
|
protected function deleteManyJointPermissionsForEntities(array $entities)
|
|
{
|
|
$simpleEntities = $this->entitiesToSimpleEntities($entities);
|
|
$idsByType = $this->entitiesToTypeIdMap($simpleEntities);
|
|
|
|
DB::transaction(function () use ($idsByType) {
|
|
foreach ($idsByType as $type => $ids) {
|
|
foreach (array_chunk($ids, 1000) as $idChunk) {
|
|
DB::table('joint_permissions')
|
|
->where('entity_type', '=', $type)
|
|
->whereIn('entity_id', $idChunk)
|
|
->delete();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param Entity[] $entities
|
|
*
|
|
* @return SimpleEntityData[]
|
|
*/
|
|
protected function entitiesToSimpleEntities(array $entities): array
|
|
{
|
|
$simpleEntities = [];
|
|
|
|
foreach ($entities as $entity) {
|
|
$attrs = $entity->getAttributes();
|
|
$simple = new SimpleEntityData();
|
|
$simple->id = $attrs['id'];
|
|
$simple->type = $entity->getMorphClass();
|
|
$simple->restricted = boolval($attrs['restricted'] ?? 0);
|
|
$simple->owned_by = $attrs['owned_by'] ?? 0;
|
|
$simple->book_id = $attrs['book_id'] ?? null;
|
|
$simple->chapter_id = $attrs['chapter_id'] ?? null;
|
|
$simpleEntities[] = $simple;
|
|
}
|
|
|
|
return $simpleEntities;
|
|
}
|
|
|
|
/**
|
|
* Create & Save entity jointPermissions for many entities and roles.
|
|
*
|
|
* @param Entity[] $entities
|
|
* @param Role[] $roles
|
|
*/
|
|
protected function createManyJointPermissions(array $originalEntities, array $roles)
|
|
{
|
|
$entities = $this->entitiesToSimpleEntities($originalEntities);
|
|
$this->readyEntityCache($entities);
|
|
$jointPermissions = [];
|
|
|
|
// Create a mapping of entity restricted statuses
|
|
$entityRestrictedMap = [];
|
|
foreach ($entities as $entity) {
|
|
$entityRestrictedMap[$entity->type . ':' . $entity->id] = $entity->restricted;
|
|
}
|
|
|
|
// Fetch related entity permissions
|
|
$permissions = $this->getEntityPermissionsForEntities($entities);
|
|
|
|
// Create a mapping of explicit entity permissions
|
|
$permissionMap = [];
|
|
foreach ($permissions as $permission) {
|
|
$key = $permission->restrictable_type . ':' . $permission->restrictable_id . ':' . $permission->role_id;
|
|
$isRestricted = $entityRestrictedMap[$permission->restrictable_type . ':' . $permission->restrictable_id];
|
|
$permissionMap[$key] = $isRestricted;
|
|
}
|
|
|
|
// Create a mapping of role permissions
|
|
$rolePermissionMap = [];
|
|
foreach ($roles as $role) {
|
|
foreach ($role->permissions as $permission) {
|
|
$rolePermissionMap[$role->getRawAttribute('id') . ':' . $permission->getRawAttribute('name')] = true;
|
|
}
|
|
}
|
|
|
|
// Create Joint Permission Data
|
|
foreach ($entities as $entity) {
|
|
foreach ($roles as $role) {
|
|
$jointPermissions[] = $this->createJointPermissionData(
|
|
$entity,
|
|
$role->getRawAttribute('id'),
|
|
$permissionMap,
|
|
$rolePermissionMap,
|
|
$role->system_name === 'admin'
|
|
);
|
|
}
|
|
}
|
|
|
|
DB::transaction(function () use ($jointPermissions) {
|
|
foreach (array_chunk($jointPermissions, 1000) as $jointPermissionChunk) {
|
|
DB::table('joint_permissions')->insert($jointPermissionChunk);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* From the given entity list, provide back a mapping of entity types to
|
|
* the ids of that given type. The type used is the DB morph class.
|
|
*
|
|
* @param SimpleEntityData[] $entities
|
|
*
|
|
* @return array<string, int[]>
|
|
*/
|
|
protected function entitiesToTypeIdMap(array $entities): array
|
|
{
|
|
$idsByType = [];
|
|
|
|
foreach ($entities as $entity) {
|
|
if (!isset($idsByType[$entity->type])) {
|
|
$idsByType[$entity->type] = [];
|
|
}
|
|
|
|
$idsByType[$entity->type][] = $entity->id;
|
|
}
|
|
|
|
return $idsByType;
|
|
}
|
|
|
|
/**
|
|
* Get the entity permissions for all the given entities.
|
|
*
|
|
* @param SimpleEntityData[] $entities
|
|
*
|
|
* @return EntityPermission[]
|
|
*/
|
|
protected function getEntityPermissionsForEntities(array $entities): array
|
|
{
|
|
$idsByType = $this->entitiesToTypeIdMap($entities);
|
|
$permissionFetch = EntityPermission::query()
|
|
->where('action', '=', 'view')
|
|
->where(function (Builder $query) use ($idsByType) {
|
|
foreach ($idsByType as $type => $ids) {
|
|
$query->orWhere(function (Builder $query) use ($type, $ids) {
|
|
$query->where('restrictable_type', '=', $type)->whereIn('restrictable_id', $ids);
|
|
});
|
|
}
|
|
});
|
|
|
|
return $permissionFetch->get()->all();
|
|
}
|
|
|
|
/**
|
|
* Create entity permission data for an entity and role
|
|
* for a particular action.
|
|
*/
|
|
protected function createJointPermissionData(SimpleEntityData $entity, int $roleId, array $permissionMap, array $rolePermissionMap, bool $isAdminRole): array
|
|
{
|
|
$permissionPrefix = $entity->type . '-view';
|
|
$roleHasPermission = isset($rolePermissionMap[$roleId . ':' . $permissionPrefix . '-all']);
|
|
$roleHasPermissionOwn = isset($rolePermissionMap[$roleId . ':' . $permissionPrefix . '-own']);
|
|
|
|
if ($isAdminRole) {
|
|
return $this->createJointPermissionDataArray($entity, $roleId, true, true);
|
|
}
|
|
|
|
if ($entity->restricted) {
|
|
$hasAccess = $this->mapHasActiveRestriction($permissionMap, $entity, $roleId);
|
|
|
|
return $this->createJointPermissionDataArray($entity, $roleId, $hasAccess, $hasAccess);
|
|
}
|
|
|
|
if ($entity->type === 'book' || $entity->type === 'bookshelf') {
|
|
return $this->createJointPermissionDataArray($entity, $roleId, $roleHasPermission, $roleHasPermissionOwn);
|
|
}
|
|
|
|
// For chapters and pages, Check if explicit permissions are set on the Book.
|
|
$book = $this->getBook($entity->book_id);
|
|
$hasExplicitAccessToParents = $this->mapHasActiveRestriction($permissionMap, $book, $roleId);
|
|
$hasPermissiveAccessToParents = !$book->restricted;
|
|
|
|
// For pages with a chapter, Check if explicit permissions are set on the Chapter
|
|
if ($entity->type === 'page' && $entity->chapter_id !== 0) {
|
|
$chapter = $this->getChapter($entity->chapter_id);
|
|
$hasPermissiveAccessToParents = $hasPermissiveAccessToParents && !$chapter->restricted;
|
|
if ($chapter->restricted) {
|
|
$hasExplicitAccessToParents = $this->mapHasActiveRestriction($permissionMap, $chapter, $roleId);
|
|
}
|
|
}
|
|
|
|
return $this->createJointPermissionDataArray(
|
|
$entity,
|
|
$roleId,
|
|
($hasExplicitAccessToParents || ($roleHasPermission && $hasPermissiveAccessToParents)),
|
|
($hasExplicitAccessToParents || ($roleHasPermissionOwn && $hasPermissiveAccessToParents))
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Check for an active restriction in an entity map.
|
|
*/
|
|
protected function mapHasActiveRestriction(array $entityMap, SimpleEntityData $entity, int $roleId): bool
|
|
{
|
|
$key = $entity->type . ':' . $entity->id . ':' . $roleId;
|
|
|
|
return $entityMap[$key] ?? false;
|
|
}
|
|
|
|
/**
|
|
* Create an array of data with the information of an entity jointPermissions.
|
|
* Used to build data for bulk insertion.
|
|
*/
|
|
protected function createJointPermissionDataArray(SimpleEntityData $entity, int $roleId, bool $permissionAll, bool $permissionOwn): array
|
|
{
|
|
return [
|
|
'entity_id' => $entity->id,
|
|
'entity_type' => $entity->type,
|
|
'has_permission' => $permissionAll,
|
|
'has_permission_own' => $permissionOwn,
|
|
'owned_by' => $entity->owned_by,
|
|
'role_id' => $roleId,
|
|
];
|
|
}
|
|
}
|