first version
This commit is contained in:
Bastian Allgeier
241
kirby/src/Cms/PageRules.php
Executable file
241
kirby/src/Cms/PageRules.php
Executable file
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<?php
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namespace Kirby\Cms;
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use Kirby\Exception\DuplicateException;
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use Kirby\Exception\InvalidArgumentException;
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use Kirby\Exception\LogicException;
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use Kirby\Exception\NotFoundException;
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use Kirby\Exception\PermissionException;
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use Kirby\Toolkit\Str;
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/**
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* Validators for all page actions
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*/
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class PageRules
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{
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public static function changeNum(Page $page, int $num = null): bool
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{
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if ($num !== null && $num < 0) {
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throw new InvalidArgumentException(['key' => 'page.num.invalid']);
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}
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return true;
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}
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public static function changeSlug(Page $page, string $slug): bool
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{
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if ($page->permissions()->changeSlug() !== true) {
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throw new PermissionException([
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'key' => 'page.changeSlug.permission',
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'data' => ['slug' => $page->slug()]
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]);
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}
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$siblings = $page->parentModel()->children();
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$drafts = $page->parentModel()->drafts();
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if ($duplicate = $siblings->find($slug)) {
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if ($duplicate->is($page) === false) {
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throw new DuplicateException([
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'key' => 'page.duplicate',
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'data' => ['slug' => $slug]
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]);
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}
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}
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if ($duplicate = $drafts->find($slug)) {
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if ($duplicate->is($page) === false) {
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throw new DuplicateException([
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'key' => 'page.draft.duplicate',
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'data' => ['slug' => $slug]
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]);
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}
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}
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return true;
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}
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public static function changeStatus(Page $page, string $status, int $position = null): bool
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{
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if (isset($page->blueprint()->status()[$status]) === false) {
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throw new InvalidArgumentException(['key' => 'page.status.invalid']);
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}
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switch ($status) {
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case 'draft':
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return static::changeStatusToDraft($page);
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case 'listed':
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return static::changeStatusToListed($page, $position);
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case 'unlisted':
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return static::changeStatusToUnlisted($page);
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default:
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throw new InvalidArgumentException(['key' => 'page.status.invalid']);
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}
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}
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public static function changeStatusToDraft(Page $page)
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{
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if ($page->permissions()->changeStatus() !== true) {
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throw new PermissionException([
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'key' => 'page.changeStatus.permission',
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'data' => ['slug' => $page->slug()]
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]);
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}
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if ($page->isHomeOrErrorPage() === true) {
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throw new PermissionException([
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'key' => 'page.changeStatus.toDraft.invalid',
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'data' => ['slug' => $page->slug()]
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]);
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}
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return true;
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}
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public static function changeStatusToListed(Page $page, int $position)
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{
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// no need to check for status changing permissions,
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// instead we need to check for sorting permissions
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if ($page->isListed() === true) {
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if ($page->isSortable() !== true) {
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throw new PermissionException([
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'key' => 'page.sort.permission',
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'data' => ['slug' => $page->slug()]
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]);
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}
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return true;
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}
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if ($page->permissions()->changeStatus() !== true) {
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throw new PermissionException([
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'key' => 'page.changeStatus.permission',
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'data' => ['slug' => $page->slug()]
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]);
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}
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if ($position !== null && $position < 0) {
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throw new InvalidArgumentException(['key' => 'page.num.invalid']);
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}
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if ($page->isDraft() === true && empty($page->errors()) === false) {
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throw new PermissionException([
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'key' => 'page.changeStatus.incomplete',
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'details' => $page->errors()
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]);
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}
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return true;
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}
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public static function changeStatusToUnlisted(Page $page)
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{
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if ($page->permissions()->changeStatus() !== true) {
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throw new PermissionException([
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'key' => 'page.changeStatus.permission',
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'data' => ['slug' => $page->slug()]
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]);
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}
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return true;
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}
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public static function changeTemplate(Page $page, string $template): bool
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{
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if ($page->permissions()->changeTemplate() !== true) {
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throw new PermissionException([
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'key' => 'page.changeTemplate.permission',
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'data' => ['slug' => $page->slug()]
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]);
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}
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if (count($page->blueprints()) <= 1) {
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throw new LogicException([
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'key' => 'page.changeTemplate.invalid',
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'data' => ['slug' => $page->slug()]
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]);
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}
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return true;
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}
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public static function changeTitle(Page $page, string $title): bool
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{
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if (Str::length($title) === 0) {
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throw new InvalidArgumentException([
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'key' => 'page.changeTitle.empty',
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]);
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}
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if ($page->permissions()->changeTitle() !== true) {
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throw new PermissionException([
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'key' => 'page.changeTitle.permission',
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'data' => ['slug' => $page->slug()]
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]);
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}
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return true;
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}
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public static function create(Page $page): bool
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{
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if ($page->exists() === true) {
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throw new DuplicateException([
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'key' => 'page.draft.duplicate',
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'data' => ['slug' => $page->slug()]
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]);
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}
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if ($page->permissions()->create() !== true) {
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throw new PermissionException(['key' => 'page.create.permission']);
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}
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$siblings = $page->parentModel()->children();
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$drafts = $page->parentModel()->drafts();
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$slug = $page->slug();
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if ($duplicate = $siblings->find($slug)) {
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throw new DuplicateException([
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'key' => 'page.duplicate',
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'data' => ['slug' => $slug]
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]);
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}
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if ($duplicate = $drafts->find($slug)) {
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throw new DuplicateException([
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'key' => 'page.draft.duplicate',
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'data' => ['slug' => $slug]
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]);
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}
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return true;
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}
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public static function delete(Page $page, bool $force = false): bool
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{
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if ($page->permissions()->delete() !== true) {
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throw new PermissionException(['key' => 'page.delete.permission']);
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}
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if (($page->hasChildren() === true || $page->hasDrafts() === true) && $force === false) {
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throw new LogicException(['key' => 'page.delete.hasChildren']);
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}
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return true;
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}
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public static function update(Page $page, array $content = []): bool
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{
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if ($page->permissions()->update() !== true) {
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throw new PermissionException([
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'key' => 'page.update.permission',
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'data' => [
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'slug' => $page->slug()
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]
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]);
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}
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return true;
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}
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}
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