. * */ use Friendica\App; use Friendica\Core\Logger; use Friendica\Core\System; use Friendica\Database\DBA; use Friendica\DI; use Friendica\Model\Attach; use Friendica\Model\User; use Friendica\Util\Strings; function wall_attach_post(App $a) { $isJson = (!empty($_GET['response']) && $_GET['response'] == 'json'); if (DI::args()->getArgc() > 1) { $nick = DI::args()->getArgv()[1]; $owner = User::getOwnerDataByNick($nick); if (!DBA::isResult($owner)) { Logger::warning('owner is not a valid record:', ['owner' => $owner, 'nick' => $nick]); if ($isJson) { System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]); } return; } } else { Logger::warning('Argument count is zero or one (invalid)'); if ($isJson) { System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]); } return; } $can_post = false; $page_owner_uid = $owner['uid']; $page_owner_cid = $owner['id']; $community_page = $owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY; if (DI::userSession()->getLocalUserId() && (DI::userSession()->getLocalUserId() == $page_owner_uid)) { $can_post = true; } elseif ($community_page && !empty(DI::userSession()->getRemoteContactID($page_owner_uid))) { $contact_id = DI::userSession()->getRemoteContactID($page_owner_uid); $can_post = DBA::exists('contact', ['blocked' => false, 'pending' => false, 'id' => $contact_id, 'uid' => $page_owner_uid]); } if (!$can_post) { Logger::warning('User does not have required permissions', ['contact_id' => $contact_id, 'page_owner_uid' => $page_owner_uid]); if ($isJson) { System::jsonExit(['error' => DI::l10n()->t('Permission denied.')]); } DI::sysmsg()->addNotice(DI::l10n()->t('Permission denied.')); System::exit(); } if (empty($_FILES['userfile'])) { Logger::warning('No file uploaded (empty userfile)'); if ($isJson) { System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]); } System::exit(); } $tempFileName = $_FILES['userfile']['tmp_name']; $fileName = basename($_FILES['userfile']['name']); $fileSize = intval($_FILES['userfile']['size']); $maxFileSize = DI::config()->get('system', 'maxfilesize'); /* * Found html code written in text field of form, when trying to upload a * file with filesize greater than upload_max_filesize. Cause is unknown. * Then Filesize gets <= 0. */ if ($fileSize <= 0) { $msg = DI::l10n()->t('Sorry, maybe your upload is bigger than the PHP configuration allows') . '
' . DI::l10n()->t('Or - did you try to upload an empty file?'); Logger::warning($msg, ['fileSize' => $fileSize]); @unlink($tempFileName); if ($isJson) { System::jsonExit(['error' => $msg]); } else { DI::sysmsg()->addNotice($msg); } System::exit(); } if ($maxFileSize && $fileSize > $maxFileSize) { $msg = DI::l10n()->t('File exceeds size limit of %s', Strings::formatBytes($maxFileSize)); Logger::warning($msg, ['fileSize' => $fileSize]); @unlink($tempFileName); if ($isJson) { System::jsonExit(['error' => $msg]); } else { echo $msg . '
'; } System::exit(); } $newid = Attach::storeFile($tempFileName, $page_owner_uid, $fileName, '<' . $page_owner_cid . '>'); @unlink($tempFileName); if ($newid === false) { $msg = DI::l10n()->t('File upload failed.'); Logger::warning($msg); if ($isJson) { System::jsonExit(['error' => $msg]); } else { echo $msg . '
'; } System::exit(); } if ($isJson) { System::jsonExit(['ok' => true, 'id' => $newid]); } $lf = "\n"; echo $lf . $lf . '[attachment]' . $newid . '[/attachment]' . $lf; System::exit(); // NOTREACHED }