src/Module/Calendar/Export.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2023, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Module\Calendar;
  23
  24 use Friendica\App;
  25 use Friendica\BaseModule;
  26 use Friendica\Content\Feature;
  27 use Friendica\Core\L10n;
  28 use Friendica\Core\Session\Capability\IHandleUserSessions;
  29 use Friendica\Model\Event;
  30 use Friendica\Model\Profile;
  31 use Friendica\Model\User;
  32 use Friendica\Module\Response;
  33 use Friendica\Module\Security\Login;
  34 use Friendica\Navigation\SystemMessages;
  35 use Friendica\Network\HTTPException;
  36 use Friendica\Util\Profiler;
  37 use Psr\Log\LoggerInterface;
  38
  39 /**
  40  * Controller to export a calendar from a given user
  41  */
  42 class Export extends BaseModule
  43 {
  44         const EXPORT_ICAL = 'ical';
  45         const EXPORT_CSV  = 'csv';
  46
  47         const DEFAULT_EXPORT = self::EXPORT_ICAL;
  48
  49         /** @var IHandleUserSessions */
  50         protected $session;
  51         /** @var SystemMessages */
  52         protected $sysMessages;
  53         /** @var App */
  54         protected $app;
  55
  56         public function __construct(App $app, L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, IHandleUserSessions $session, SystemMessages $sysMessages, array $server, array $parameters = [])
  57         {
  58                 parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
  59
  60                 $this->session     = $session;
  61                 $this->sysMessages = $sysMessages;
  62                 $this->app         = $app;
  63         }
  64
  65         protected function rawContent(array $request = [])
  66         {
  67                 $nickname = $this->parameters['nickname'] ?? null;
  68                 if (!$nickname) {
  69                         throw new HTTPException\BadRequestException();
  70                 }
  71
  72                 $owner = Profile::load($this->app, $nickname, false);
  73                 if (!$owner || $owner['account_expired'] || $owner['account_removed']) {
  74                         throw new HTTPException\NotFoundException($this->t('User not found.'));
  75                 }
  76
  77                 if (!$this->session->isAuthenticated() && $owner['hidewall']) {
  78                         $this->baseUrl->redirect('profile/' . $nickname . '/restricted');
  79                 }
  80
  81                 if (!$this->session->isAuthenticated() && !Feature::isEnabled($owner['uid'], 'public_calendar')) {
  82                         $this->sysMessages->addNotice($this->t('Permission denied.'));
  83                         $this->baseUrl->redirect('profile/' . $nickname);
  84                 }
  85
  86                 $ownerUid = $owner['uid'];
  87                 $format   = $this->parameters['format'] ?: static::DEFAULT_EXPORT;
  88
  89                 // Get the export data by uid
  90                 $evexport = Event::exportListByUserId($ownerUid, $format);
  91
  92                 if (!$evexport["success"]) {
  93                         if ($evexport["content"]) {
  94                                 $this->sysMessages->addNotice($this->t('This calendar format is not supported'));
  95                         } else {
  96                                 $this->sysMessages->addNotice($this->t('No exportable data found'));
  97                         }
  98
  99                         // If it is the own calendar return to the events page
 100                         // otherwise to the profile calendar page
 101                         if ($this->session->getLocalUserId() === $ownerUid) {
 102                                 $returnPath = 'calendar';
 103                         } else {
 104                                 $returnPath = 'calendar/show/' . $this->parameters['nickname'];
 105                         }
 106
 107                         $this->baseUrl->redirect($returnPath);
 108                 }
 109
 110                 // If nothing went wrong we can echo the export content
 111                 if ($evexport["success"]) {
 112                         $this->response->setHeader(sprintf('Content-Disposition: attachment; filename="%s-%s.%s"',
 113                                 $this->t('calendar'),
 114                                 $this->parameters['nickname'],
 115                                 $evexport["extension"]
 116                         ));
 117
 118                         switch ($format) {
 119                                 case static::EXPORT_ICAL:
 120                                         $this->response->setType(Response::TYPE_BLANK, 'text/ics');
 121                                         break;
 122                                 case static::EXPORT_CSV:
 123                                         $this->response->setType(Response::TYPE_BLANK, 'text/csv');
 124                                         break;
 125                         }
 126
 127                         $this->response->addContent($evexport['content']);
 128                 }
 129         }
 130 }