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BookStack/app/Http/Controllers/PageController.php

670 lines
22 KiB
PHP

<?php namespace BookStack\Http\Controllers;
use Activity;
use BookStack\Auth\UserRepo;
use BookStack\Entities\Repos\PageRepo;
use BookStack\Exceptions\NotFoundException;
use Exception;
use GatherContent\Htmldiff\Htmldiff;
use Illuminate\Contracts\View\Factory;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Illuminate\Routing\Redirector;
use Illuminate\View\View;
use Throwable;
use Views;
class PageController extends Controller
{
protected $pageRepo;
protected $userRepo;
/**
* PageController constructor.
* @param PageRepo $pageRepo
* @param UserRepo $userRepo
*/
public function __construct(PageRepo $pageRepo, UserRepo $userRepo)
{
$this->pageRepo = $pageRepo;
$this->userRepo = $userRepo;
parent::__construct();
}
/**
* Show the form for creating a new page.
* @param string $bookSlug
* @param string $chapterSlug
* @return Response
* @internal param bool $pageSlug
* @throws NotFoundException
*/
public function create($bookSlug, $chapterSlug = null)
{
if ($chapterSlug !== null) {
$chapter = $this->pageRepo->getEntityBySlug('chapter', $chapterSlug, $bookSlug);
$book = $chapter->book;
} else {
$chapter = null;
$book = $this->pageRepo->getEntityBySlug('book', $bookSlug);
}
$parent = $chapter ? $chapter : $book;
$this->checkOwnablePermission('page-create', $parent);
// Redirect to draft edit screen if signed in
if ($this->signedIn) {
$draft = $this->pageRepo->getDraftPage($book, $chapter);
return redirect($draft->getUrl());
}
// Otherwise show the edit view if they're a guest
$this->setPageTitle(trans('entities.pages_new'));
return view('pages.guest-create', ['parent' => $parent]);
}
/**
* Create a new page as a guest user.
* @param Request $request
* @param string $bookSlug
* @param string|null $chapterSlug
* @return mixed
* @throws NotFoundException
*/
public function createAsGuest(Request $request, $bookSlug, $chapterSlug = null)
{
$this->validate($request, [
'name' => 'required|string|max:255'
]);
if ($chapterSlug !== null) {
$chapter = $this->pageRepo->getEntityBySlug('chapter', $chapterSlug, $bookSlug);
$book = $chapter->book;
} else {
$chapter = null;
$book = $this->pageRepo->getEntityBySlug('book', $bookSlug);
}
$parent = $chapter ? $chapter : $book;
$this->checkOwnablePermission('page-create', $parent);
$page = $this->pageRepo->getDraftPage($book, $chapter);
$this->pageRepo->publishPageDraft($page, [
'name' => $request->get('name'),
'html' => ''
]);
return redirect($page->getUrl('/edit'));
}
/**
* Show form to continue editing a draft page.
* @param string $bookSlug
* @param int $pageId
* @return Factory|View
*/
public function editDraft($bookSlug, $pageId)
{
$draft = $this->pageRepo->getById('page', $pageId, true);
$this->checkOwnablePermission('page-create', $draft->parent);
$this->setPageTitle(trans('entities.pages_edit_draft'));
$draftsEnabled = $this->signedIn;
$templates = $this->pageRepo->getPageTemplates(10);
return view('pages.edit', [
'page' => $draft,
'book' => $draft->book,
'isDraft' => true,
'draftsEnabled' => $draftsEnabled,
'templates' => $templates,
]);
}
/**
* Store a new page by changing a draft into a page.
* @param Request $request
* @param string $bookSlug
* @param int $pageId
* @return Response
*/
public function store(Request $request, $bookSlug, $pageId)
{
$this->validate($request, [
'name' => 'required|string|max:255'
]);
$input = $request->all();
$draftPage = $this->pageRepo->getById('page', $pageId, true);
$book = $draftPage->book;
$parent = $draftPage->parent;
$this->checkOwnablePermission('page-create', $parent);
if ($parent->isA('chapter')) {
$input['priority'] = $this->pageRepo->getNewChapterPriority($parent);
} else {
$input['priority'] = $this->pageRepo->getNewBookPriority($parent);
}
$page = $this->pageRepo->publishPageDraft($draftPage, $input);
Activity::add($page, 'page_create', $book->id);
return redirect($page->getUrl());
}
/**
* Display the specified page.
* If the page is not found via the slug the revisions are searched for a match.
* @param string $bookSlug
* @param string $pageSlug
* @return Response
* @throws NotFoundException
*/
public function show($bookSlug, $pageSlug)
{
try {
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
} catch (NotFoundException $e) {
$page = $this->pageRepo->getPageByOldSlug($pageSlug, $bookSlug);
if ($page === null) {
throw $e;
}
return redirect($page->getUrl());
}
$this->checkOwnablePermission('page-view', $page);
$page->html = $this->pageRepo->renderPage($page);
$sidebarTree = $this->pageRepo->getBookChildren($page->book);
$pageNav = $this->pageRepo->getPageNav($page->html);
// check if the comment's are enabled
$commentsEnabled = !setting('app-disable-comments');
if ($commentsEnabled) {
$page->load(['comments.createdBy']);
}
Views::add($page);
$this->setPageTitle($page->getShortName());
return view('pages.show', [
'page' => $page,'book' => $page->book,
'current' => $page,
'sidebarTree' => $sidebarTree,
'commentsEnabled' => $commentsEnabled,
'pageNav' => $pageNav
]);
}
/**
* Get page from an ajax request.
* @param int $pageId
* @return JsonResponse
*/
public function getPageAjax($pageId)
{
$page = $this->pageRepo->getById('page', $pageId);
return response()->json($page);
}
/**
* Show the form for editing the specified page.
* @param string $bookSlug
* @param string $pageSlug
* @return Response
* @throws NotFoundException
*/
public function edit($bookSlug, $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('page-update', $page);
$this->setPageTitle(trans('entities.pages_editing_named', ['pageName'=>$page->getShortName()]));
$page->isDraft = false;
// Check for active editing
$warnings = [];
if ($this->pageRepo->isPageEditingActive($page, 60)) {
$warnings[] = $this->pageRepo->getPageEditingActiveMessage($page, 60);
}
// Check for a current draft version for this user
$userPageDraft = $this->pageRepo->getUserPageDraft($page, $this->currentUser->id);
if ($userPageDraft !== null) {
$page->name = $userPageDraft->name;
$page->html = $userPageDraft->html;
$page->markdown = $userPageDraft->markdown;
$page->isDraft = true;
$warnings [] = $this->pageRepo->getUserPageDraftMessage($userPageDraft);
}
if (count($warnings) > 0) {
$this->showWarningNotification( implode("\n", $warnings));
}
$draftsEnabled = $this->signedIn;
$templates = $this->pageRepo->getPageTemplates(10);
return view('pages.edit', [
'page' => $page,
'book' => $page->book,
'current' => $page,
'draftsEnabled' => $draftsEnabled,
'templates' => $templates,
]);
}
/**
* Update the specified page in storage.
* @param Request $request
* @param string $bookSlug
* @param string $pageSlug
* @return Response
*/
public function update(Request $request, $bookSlug, $pageSlug)
{
$this->validate($request, [
'name' => 'required|string|max:255'
]);
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('page-update', $page);
$this->pageRepo->updatePage($page, $page->book->id, $request->all());
Activity::add($page, 'page_update', $page->book->id);
return redirect($page->getUrl());
}
/**
* Save a draft update as a revision.
* @param Request $request
* @param int $pageId
* @return JsonResponse
*/
public function saveDraft(Request $request, $pageId)
{
$page = $this->pageRepo->getById('page', $pageId, true);
$this->checkOwnablePermission('page-update', $page);
if (!$this->signedIn) {
return response()->json([
'status' => 'error',
'message' => trans('errors.guests_cannot_save_drafts'),
], 500);
}
$draft = $this->pageRepo->updatePageDraft($page, $request->only(['name', 'html', 'markdown']));
$updateTime = $draft->updated_at->timestamp;
return response()->json([
'status' => 'success',
'message' => trans('entities.pages_edit_draft_save_at'),
'timestamp' => $updateTime
]);
}
/**
* Redirect from a special link url which
* uses the page id rather than the name.
* @param int $pageId
* @return RedirectResponse|Redirector
*/
public function redirectFromLink($pageId)
{
$page = $this->pageRepo->getById('page', $pageId);
return redirect($page->getUrl());
}
/**
* Show the deletion page for the specified page.
* @param string $bookSlug
* @param string $pageSlug
* @return View
*/
public function showDelete($bookSlug, $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('page-delete', $page);
$this->setPageTitle(trans('entities.pages_delete_named', ['pageName'=>$page->getShortName()]));
return view('pages.delete', ['book' => $page->book, 'page' => $page, 'current' => $page]);
}
/**
* Show the deletion page for the specified page.
* @param string $bookSlug
* @param int $pageId
* @return View
* @throws NotFoundException
*/
public function showDeleteDraft($bookSlug, $pageId)
{
$page = $this->pageRepo->getById('page', $pageId, true);
$this->checkOwnablePermission('page-update', $page);
$this->setPageTitle(trans('entities.pages_delete_draft_named', ['pageName'=>$page->getShortName()]));
return view('pages.delete', ['book' => $page->book, 'page' => $page, 'current' => $page]);
}
/**
* Remove the specified page from storage.
* @param string $bookSlug
* @param string $pageSlug
* @return Response
* @internal param int $id
*/
public function destroy($bookSlug, $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$book = $page->book;
$this->checkOwnablePermission('page-delete', $page);
$this->pageRepo->destroyPage($page);
Activity::addMessage('page_delete', $book->id, $page->name);
$this->showSuccessNotification( trans('entities.pages_delete_success'));
return redirect($book->getUrl());
}
/**
* Remove the specified draft page from storage.
* @param string $bookSlug
* @param int $pageId
* @return Response
* @throws NotFoundException
*/
public function destroyDraft($bookSlug, $pageId)
{
$page = $this->pageRepo->getById('page', $pageId, true);
$book = $page->book;
$this->checkOwnablePermission('page-update', $page);
$this->showSuccessNotification( trans('entities.pages_delete_draft_success'));
$this->pageRepo->destroyPage($page);
return redirect($book->getUrl());
}
/**
* Shows the last revisions for this page.
* @param string $bookSlug
* @param string $pageSlug
* @return View
* @throws NotFoundException
*/
public function showRevisions($bookSlug, $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->setPageTitle(trans('entities.pages_revisions_named', ['pageName'=>$page->getShortName()]));
return view('pages.revisions', ['page' => $page, 'current' => $page]);
}
/**
* Shows a preview of a single revision
* @param string $bookSlug
* @param string $pageSlug
* @param int $revisionId
* @return View
*/
public function showRevision($bookSlug, $pageSlug, $revisionId)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$revision = $page->revisions()->where('id', '=', $revisionId)->first();
if ($revision === null) {
abort(404);
}
$page->fill($revision->toArray());
$this->setPageTitle(trans('entities.pages_revision_named', ['pageName' => $page->getShortName()]));
return view('pages.revision', [
'page' => $page,
'book' => $page->book,
'diff' => null,
'revision' => $revision
]);
}
/**
* Shows the changes of a single revision
* @param string $bookSlug
* @param string $pageSlug
* @param int $revisionId
* @return View
*/
public function showRevisionChanges($bookSlug, $pageSlug, $revisionId)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$revision = $page->revisions()->where('id', '=', $revisionId)->first();
if ($revision === null) {
abort(404);
}
$prev = $revision->getPrevious();
$prevContent = ($prev === null) ? '' : $prev->html;
$diff = (new Htmldiff)->diff($prevContent, $revision->html);
$page->fill($revision->toArray());
$this->setPageTitle(trans('entities.pages_revision_named', ['pageName'=>$page->getShortName()]));
return view('pages.revision', [
'page' => $page,
'book' => $page->book,
'diff' => $diff,
'revision' => $revision
]);
}
/**
* Restores a page using the content of the specified revision.
* @param string $bookSlug
* @param string $pageSlug
* @param int $revisionId
* @return RedirectResponse|Redirector
*/
public function restoreRevision($bookSlug, $pageSlug, $revisionId)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('page-update', $page);
$page = $this->pageRepo->restorePageRevision($page, $page->book, $revisionId);
Activity::add($page, 'page_restore', $page->book->id);
return redirect($page->getUrl());
}
/**
* Deletes a revision using the id of the specified revision.
* @param string $bookSlug
* @param string $pageSlug
* @param int $revId
* @return RedirectResponse|Redirector
*@throws BadRequestException
* @throws NotFoundException
*/
public function destroyRevision($bookSlug, $pageSlug, $revId)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('page-delete', $page);
$revision = $page->revisions()->where('id', '=', $revId)->first();
if ($revision === null) {
throw new NotFoundException("Revision #{$revId} not found");
}
// Get the current revision for the page
$currentRevision = $page->getCurrentRevision();
// Check if its the latest revision, cannot delete latest revision.
if (intval($currentRevision->id) === intval($revId)) {
$this->showErrorNotification( trans('entities.revision_cannot_delete_latest'));
return response()->view('pages.revisions', ['page' => $page, 'book' => $page->book, 'current' => $page], 400);
}
$revision->delete();
$this->showSuccessNotification( trans('entities.revision_delete_success'));
return redirect($page->getUrl('/revisions'));
}
/**
* Show a listing of recently created pages
* @return Factory|View
*/
public function showRecentlyUpdated()
{
// TODO - Still exist?
$pages = $this->pageRepo->getRecentlyUpdatedPaginated('page', 20)->setPath(url('/pages/recently-updated'));
return view('pages.detailed-listing', [
'title' => trans('entities.recently_updated_pages'),
'pages' => $pages
]);
}
/**
* Show the view to choose a new parent to move a page into.
* @param string $bookSlug
* @param string $pageSlug
* @return mixed
* @throws NotFoundException
*/
public function showMove($bookSlug, $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('page-update', $page);
$this->checkOwnablePermission('page-delete', $page);
return view('pages.move', [
'book' => $page->book,
'page' => $page
]);
}
/**
* Does the action of moving the location of a page
* @param Request $request
* @param string $bookSlug
* @param string $pageSlug
* @return mixed
* @throws NotFoundException
* @throws Throwable
*/
public function move(Request $request, string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('page-update', $page);
$this->checkOwnablePermission('page-delete', $page);
$entitySelection = $request->get('entity_selection', null);
if ($entitySelection === null || $entitySelection === '') {
return redirect($page->getUrl());
}
$stringExploded = explode(':', $entitySelection);
$entityType = $stringExploded[0];
$entityId = intval($stringExploded[1]);
try {
$parent = $this->pageRepo->getById($entityType, $entityId);
} catch (Exception $e) {
session()->flash(trans('entities.selected_book_chapter_not_found'));
return redirect()->back();
}
$this->checkOwnablePermission('page-create', $parent);
$this->pageRepo->changePageParent($page, $parent);
Activity::add($page, 'page_move', $page->book->id);
$this->showSuccessNotification( trans('entities.pages_move_success', ['parentName' => $parent->name]));
return redirect($page->getUrl());
}
/**
* Show the view to copy a page.
* @param string $bookSlug
* @param string $pageSlug
* @return mixed
* @throws NotFoundException
*/
public function showCopy($bookSlug, $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('page-view', $page);
session()->flashInput(['name' => $page->name]);
return view('pages.copy', [
'book' => $page->book,
'page' => $page
]);
}
/**
* Create a copy of a page within the requested target destination.
* @param Request $request
* @param string $bookSlug
* @param string $pageSlug
* @return mixed
* @throws NotFoundException
* @throws Throwable
*/
public function copy(Request $request, string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('page-view', $page);
$entitySelection = $request->get('entity_selection', null);
if ($entitySelection === null || $entitySelection === '') {
$parent = $page->chapter ? $page->chapter : $page->book;
} else {
$stringExploded = explode(':', $entitySelection);
$entityType = $stringExploded[0];
$entityId = intval($stringExploded[1]);
try {
$parent = $this->pageRepo->getById($entityType, $entityId);
} catch (Exception $e) {
$this->showErrorNotification(trans('entities.selected_book_chapter_not_found'));
return redirect()->back();
}
}
$this->checkOwnablePermission('page-create', $parent);
$pageCopy = $this->pageRepo->copyPage($page, $parent, $request->get('name', ''));
Activity::add($pageCopy, 'page_create', $pageCopy->book->id);
$this->showSuccessNotification( trans('entities.pages_copy_success'));
return redirect($pageCopy->getUrl());
}
/**
* Show the Permissions view.
* @param string $bookSlug
* @param string $pageSlug
* @return Factory|View
* @throws NotFoundException
*/
public function showPermissions($bookSlug, $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('restrictions-manage', $page);
$roles = $this->userRepo->getRestrictableRoles();
return view('pages.permissions', [
'page' => $page,
'roles' => $roles
]);
}
/**
* Set the permissions for this page.
* @param string $bookSlug
* @param string $pageSlug
* @param Request $request
* @return RedirectResponse|Redirector
* @throws NotFoundException
* @throws Throwable
*/
public function permissions(Request $request, string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($pageSlug, $bookSlug);
$this->checkOwnablePermission('restrictions-manage', $page);
$this->pageRepo->updateEntityPermissionsFromRequest($request, $page);
$this->showSuccessNotification( trans('entities.pages_permissions_success'));
return redirect($page->getUrl());
}
}