diff options
Diffstat (limited to 'lib/private/User/User.php')
-rw-r--r-- | lib/private/User/User.php | 675 |
1 files changed, 675 insertions, 0 deletions
diff --git a/lib/private/User/User.php b/lib/private/User/User.php new file mode 100644 index 00000000000..1f908918b20 --- /dev/null +++ b/lib/private/User/User.php @@ -0,0 +1,675 @@ +<?php + +/** + * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors + * SPDX-FileCopyrightText: 2016 ownCloud, Inc. + * SPDX-License-Identifier: AGPL-3.0-only + */ +namespace OC\User; + +use InvalidArgumentException; +use OC\Accounts\AccountManager; +use OC\Avatar\AvatarManager; +use OC\Hooks\Emitter; +use OCP\Accounts\IAccountManager; +use OCP\Comments\ICommentsManager; +use OCP\EventDispatcher\IEventDispatcher; +use OCP\Group\Events\BeforeUserRemovedEvent; +use OCP\Group\Events\UserRemovedEvent; +use OCP\IAvatarManager; +use OCP\IConfig; +use OCP\IDBConnection; +use OCP\IGroupManager; +use OCP\IImage; +use OCP\IURLGenerator; +use OCP\IUser; +use OCP\IUserBackend; +use OCP\Notification\IManager as INotificationManager; +use OCP\User\Backend\IGetHomeBackend; +use OCP\User\Backend\IPasswordHashBackend; +use OCP\User\Backend\IProvideAvatarBackend; +use OCP\User\Backend\IProvideEnabledStateBackend; +use OCP\User\Backend\ISetDisplayNameBackend; +use OCP\User\Backend\ISetPasswordBackend; +use OCP\User\Events\BeforePasswordUpdatedEvent; +use OCP\User\Events\BeforeUserDeletedEvent; +use OCP\User\Events\PasswordUpdatedEvent; +use OCP\User\Events\UserChangedEvent; +use OCP\User\Events\UserDeletedEvent; +use OCP\User\GetQuotaEvent; +use OCP\UserInterface; +use Psr\Log\LoggerInterface; + +use function json_decode; +use function json_encode; + +class User implements IUser { + private const CONFIG_KEY_MANAGERS = 'manager'; + + private IConfig $config; + private IURLGenerator $urlGenerator; + + /** @var IAccountManager */ + protected $accountManager; + + /** @var string|null */ + private $displayName; + + /** @var bool|null */ + private $enabled; + + /** @var Emitter|Manager|null */ + private $emitter; + + /** @var string */ + private $home; + + private ?int $lastLogin = null; + private ?int $firstLogin = null; + + /** @var IAvatarManager */ + private $avatarManager; + + public function __construct( + private string $uid, + private ?UserInterface $backend, + private IEventDispatcher $dispatcher, + $emitter = null, + ?IConfig $config = null, + $urlGenerator = null, + ) { + $this->emitter = $emitter; + $this->config = $config ?? \OCP\Server::get(IConfig::class); + $this->urlGenerator = $urlGenerator ?? \OCP\Server::get(IURLGenerator::class); + } + + /** + * get the user id + * + * @return string + */ + public function getUID() { + return $this->uid; + } + + /** + * get the display name for the user, if no specific display name is set it will fallback to the user id + * + * @return string + */ + public function getDisplayName() { + if ($this->displayName === null) { + $displayName = ''; + if ($this->backend && $this->backend->implementsActions(Backend::GET_DISPLAYNAME)) { + // get display name and strip whitespace from the beginning and end of it + $backendDisplayName = $this->backend->getDisplayName($this->uid); + if (is_string($backendDisplayName)) { + $displayName = trim($backendDisplayName); + } + } + + if (!empty($displayName)) { + $this->displayName = $displayName; + } else { + $this->displayName = $this->uid; + } + } + return $this->displayName; + } + + /** + * set the displayname for the user + * + * @param string $displayName + * @return bool + * + * @since 25.0.0 Throw InvalidArgumentException + * @throws \InvalidArgumentException + */ + public function setDisplayName($displayName) { + $displayName = trim($displayName); + $oldDisplayName = $this->getDisplayName(); + if ($this->backend->implementsActions(Backend::SET_DISPLAYNAME) && !empty($displayName) && $displayName !== $oldDisplayName) { + /** @var ISetDisplayNameBackend $backend */ + $backend = $this->backend; + $result = $backend->setDisplayName($this->uid, $displayName); + if ($result) { + $this->displayName = $displayName; + $this->triggerChange('displayName', $displayName, $oldDisplayName); + } + return $result !== false; + } + return false; + } + + /** + * @inheritDoc + */ + public function setEMailAddress($mailAddress) { + $this->setSystemEMailAddress($mailAddress); + } + + /** + * @inheritDoc + */ + public function setSystemEMailAddress(string $mailAddress): void { + $oldMailAddress = $this->getSystemEMailAddress(); + $mailAddress = mb_strtolower(trim($mailAddress)); + + if ($mailAddress === '') { + $this->config->deleteUserValue($this->uid, 'settings', 'email'); + } else { + $this->config->setUserValue($this->uid, 'settings', 'email', $mailAddress); + } + + $primaryAddress = $this->getPrimaryEMailAddress(); + if ($primaryAddress === $mailAddress) { + // on match no dedicated primary settings is necessary + $this->setPrimaryEMailAddress(''); + } + + if ($oldMailAddress !== strtolower($mailAddress)) { + $this->triggerChange('eMailAddress', $mailAddress, $oldMailAddress); + } + } + + /** + * @inheritDoc + */ + public function setPrimaryEMailAddress(string $mailAddress): void { + $mailAddress = mb_strtolower(trim($mailAddress)); + if ($mailAddress === '') { + $this->config->deleteUserValue($this->uid, 'settings', 'primary_email'); + return; + } + + $this->ensureAccountManager(); + $account = $this->accountManager->getAccount($this); + $property = $account->getPropertyCollection(IAccountManager::COLLECTION_EMAIL) + ->getPropertyByValue($mailAddress); + + if ($property === null || $property->getLocallyVerified() !== IAccountManager::VERIFIED) { + throw new InvalidArgumentException('Only verified emails can be set as primary'); + } + $this->config->setUserValue($this->uid, 'settings', 'primary_email', $mailAddress); + } + + private function ensureAccountManager() { + if (!$this->accountManager instanceof IAccountManager) { + $this->accountManager = \OC::$server->get(IAccountManager::class); + } + } + + /** + * returns the timestamp of the user's last login or 0 if the user did never + * login + */ + public function getLastLogin(): int { + if ($this->lastLogin === null) { + $this->lastLogin = (int)$this->config->getUserValue($this->uid, 'login', 'lastLogin', 0); + } + return $this->lastLogin; + } + + /** + * returns the timestamp of the user's last login or 0 if the user did never + * login + */ + public function getFirstLogin(): int { + if ($this->firstLogin === null) { + $this->firstLogin = (int)$this->config->getUserValue($this->uid, 'login', 'firstLogin', 0); + } + return $this->firstLogin; + } + + /** + * updates the timestamp of the most recent login of this user + */ + public function updateLastLoginTimestamp(): bool { + $previousLogin = $this->getLastLogin(); + $firstLogin = $this->getFirstLogin(); + $now = time(); + $firstTimeLogin = $previousLogin === 0; + + if ($now - $previousLogin > 60) { + $this->lastLogin = $now; + $this->config->setUserValue($this->uid, 'login', 'lastLogin', (string)$this->lastLogin); + } + + if ($firstLogin === 0) { + if ($firstTimeLogin) { + $this->firstLogin = $now; + } else { + /* Unknown first login, most likely was before upgrade to Nextcloud 31 */ + $this->firstLogin = -1; + } + $this->config->setUserValue($this->uid, 'login', 'firstLogin', (string)$this->firstLogin); + } + + return $firstTimeLogin; + } + + /** + * Delete the user + * + * @return bool + */ + public function delete() { + if ($this->backend === null) { + \OCP\Server::get(LoggerInterface::class)->error('Cannot delete user: No backend set'); + return false; + } + + if ($this->emitter) { + /** @deprecated 21.0.0 use BeforeUserDeletedEvent event with the IEventDispatcher instead */ + $this->emitter->emit('\OC\User', 'preDelete', [$this]); + } + $this->dispatcher->dispatchTyped(new BeforeUserDeletedEvent($this)); + + // Set delete flag on the user - this is needed to ensure that the user data is removed if there happen any exception in the backend + // because we can not restore the user meaning we could not rollback to any stable state otherwise. + $this->config->setUserValue($this->uid, 'core', 'deleted', 'true'); + // We also need to backup the home path as this can not be reconstructed later if the original backend uses custom home paths + $this->config->setUserValue($this->uid, 'core', 'deleted.home-path', $this->getHome()); + + // Try to delete the user on the backend + $result = $this->backend->deleteUser($this->uid); + if ($result === false) { + // The deletion was aborted or something else happened, we are in a defined state, so remove the delete flag + $this->config->deleteUserValue($this->uid, 'core', 'deleted'); + return false; + } + + // We have to delete the user from all groups + $groupManager = \OCP\Server::get(IGroupManager::class); + foreach ($groupManager->getUserGroupIds($this) as $groupId) { + $group = $groupManager->get($groupId); + if ($group) { + $this->dispatcher->dispatchTyped(new BeforeUserRemovedEvent($group, $this)); + $group->removeUser($this); + $this->dispatcher->dispatchTyped(new UserRemovedEvent($group, $this)); + } + } + + $commentsManager = \OCP\Server::get(ICommentsManager::class); + $commentsManager->deleteReferencesOfActor('users', $this->uid); + $commentsManager->deleteReadMarksFromUser($this); + + $avatarManager = \OCP\Server::get(AvatarManager::class); + $avatarManager->deleteUserAvatar($this->uid); + + $notificationManager = \OCP\Server::get(INotificationManager::class); + $notification = $notificationManager->createNotification(); + $notification->setUser($this->uid); + $notificationManager->markProcessed($notification); + + $accountManager = \OCP\Server::get(AccountManager::class); + $accountManager->deleteUser($this); + + $database = \OCP\Server::get(IDBConnection::class); + try { + // We need to create a transaction to make sure we are in a defined state + // because if all user values are removed also the flag is gone, but if an exception happens (e.g. database lost connection on the set operation) + // exactly here we are in an undefined state as the data is still present but the user does not exist on the system anymore. + $database->beginTransaction(); + // Remove all user settings + $this->config->deleteAllUserValues($this->uid); + // But again set flag that this user is about to be deleted + $this->config->setUserValue($this->uid, 'core', 'deleted', 'true'); + $this->config->setUserValue($this->uid, 'core', 'deleted.home-path', $this->getHome()); + // Commit the transaction so we are in a defined state: either the preferences are removed or an exception occurred but the delete flag is still present + $database->commit(); + } catch (\Throwable $e) { + $database->rollback(); + throw $e; + } + + if ($this->emitter !== null) { + /** @deprecated 21.0.0 use UserDeletedEvent event with the IEventDispatcher instead */ + $this->emitter->emit('\OC\User', 'postDelete', [$this]); + } + $this->dispatcher->dispatchTyped(new UserDeletedEvent($this)); + + // Finally we can unset the delete flag and all other states + $this->config->deleteAllUserValues($this->uid); + + return true; + } + + /** + * Set the password of the user + * + * @param string $password + * @param string $recoveryPassword for the encryption app to reset encryption keys + * @return bool + */ + public function setPassword($password, $recoveryPassword = null) { + $this->dispatcher->dispatchTyped(new BeforePasswordUpdatedEvent($this, $password, $recoveryPassword)); + if ($this->emitter) { + $this->emitter->emit('\OC\User', 'preSetPassword', [$this, $password, $recoveryPassword]); + } + if ($this->backend->implementsActions(Backend::SET_PASSWORD)) { + /** @var ISetPasswordBackend $backend */ + $backend = $this->backend; + $result = $backend->setPassword($this->uid, $password); + + if ($result !== false) { + $this->dispatcher->dispatchTyped(new PasswordUpdatedEvent($this, $password, $recoveryPassword)); + if ($this->emitter) { + $this->emitter->emit('\OC\User', 'postSetPassword', [$this, $password, $recoveryPassword]); + } + } + + return !($result === false); + } else { + return false; + } + } + + public function getPasswordHash(): ?string { + if (!($this->backend instanceof IPasswordHashBackend)) { + return null; + } + return $this->backend->getPasswordHash($this->uid); + } + + public function setPasswordHash(string $passwordHash): bool { + if (!($this->backend instanceof IPasswordHashBackend)) { + return false; + } + return $this->backend->setPasswordHash($this->uid, $passwordHash); + } + + /** + * get the users home folder to mount + * + * @return string + */ + public function getHome() { + if (!$this->home) { + /** @psalm-suppress UndefinedInterfaceMethod Once we get rid of the legacy implementsActions, psalm won't complain anymore */ + if (($this->backend instanceof IGetHomeBackend || $this->backend->implementsActions(Backend::GET_HOME)) && $home = $this->backend->getHome($this->uid)) { + $this->home = $home; + } else { + $this->home = $this->config->getSystemValueString('datadirectory', \OC::$SERVERROOT . '/data') . '/' . $this->uid; + } + } + return $this->home; + } + + /** + * Get the name of the backend class the user is connected with + * + * @return string + */ + public function getBackendClassName() { + if ($this->backend instanceof IUserBackend) { + return $this->backend->getBackendName(); + } + return get_class($this->backend); + } + + public function getBackend(): ?UserInterface { + return $this->backend; + } + + /** + * Check if the backend allows the user to change their avatar on Personal page + * + * @return bool + */ + public function canChangeAvatar() { + if ($this->backend instanceof IProvideAvatarBackend || $this->backend->implementsActions(Backend::PROVIDE_AVATAR)) { + /** @var IProvideAvatarBackend $backend */ + $backend = $this->backend; + return $backend->canChangeAvatar($this->uid); + } + return true; + } + + /** + * check if the backend supports changing passwords + * + * @return bool + */ + public function canChangePassword() { + return $this->backend->implementsActions(Backend::SET_PASSWORD); + } + + /** + * check if the backend supports changing display names + * + * @return bool + */ + public function canChangeDisplayName() { + if (!$this->config->getSystemValueBool('allow_user_to_change_display_name', true)) { + return false; + } + return $this->backend->implementsActions(Backend::SET_DISPLAYNAME); + } + + public function canChangeEmail(): bool { + // Fallback to display name value to avoid changing behavior with the new option. + return $this->config->getSystemValueBool('allow_user_to_change_email', $this->config->getSystemValueBool('allow_user_to_change_display_name', true)); + } + + /** + * check if the user is enabled + * + * @return bool + */ + public function isEnabled() { + $queryDatabaseValue = function (): bool { + if ($this->enabled === null) { + $enabled = $this->config->getUserValue($this->uid, 'core', 'enabled', 'true'); + $this->enabled = $enabled === 'true'; + } + return $this->enabled; + }; + if ($this->backend instanceof IProvideEnabledStateBackend) { + return $this->backend->isUserEnabled($this->uid, $queryDatabaseValue); + } else { + return $queryDatabaseValue(); + } + } + + /** + * set the enabled status for the user + * + * @return void + */ + public function setEnabled(bool $enabled = true) { + $oldStatus = $this->isEnabled(); + $setDatabaseValue = function (bool $enabled): void { + $this->config->setUserValue($this->uid, 'core', 'enabled', $enabled ? 'true' : 'false'); + $this->enabled = $enabled; + }; + if ($this->backend instanceof IProvideEnabledStateBackend) { + $queryDatabaseValue = function (): bool { + if ($this->enabled === null) { + $enabled = $this->config->getUserValue($this->uid, 'core', 'enabled', 'true'); + $this->enabled = $enabled === 'true'; + } + return $this->enabled; + }; + $enabled = $this->backend->setUserEnabled($this->uid, $enabled, $queryDatabaseValue, $setDatabaseValue); + if ($oldStatus !== $enabled) { + $this->triggerChange('enabled', $enabled, $oldStatus); + } + } elseif ($oldStatus !== $enabled) { + $setDatabaseValue($enabled); + $this->triggerChange('enabled', $enabled, $oldStatus); + } + } + + /** + * get the users email address + * + * @return string|null + * @since 9.0.0 + */ + public function getEMailAddress() { + return $this->getPrimaryEMailAddress() ?? $this->getSystemEMailAddress(); + } + + /** + * @inheritDoc + */ + public function getSystemEMailAddress(): ?string { + $email = $this->config->getUserValue($this->uid, 'settings', 'email', null); + return $email ? mb_strtolower(trim($email)) : null; + } + + /** + * @inheritDoc + */ + public function getPrimaryEMailAddress(): ?string { + $email = $this->config->getUserValue($this->uid, 'settings', 'primary_email', null); + return $email ? mb_strtolower(trim($email)) : null; + } + + /** + * get the users' quota + * + * @return string + * @since 9.0.0 + */ + public function getQuota() { + // allow apps to modify the user quota by hooking into the event + $event = new GetQuotaEvent($this); + $this->dispatcher->dispatchTyped($event); + $overwriteQuota = $event->getQuota(); + if ($overwriteQuota) { + $quota = $overwriteQuota; + } else { + $quota = $this->config->getUserValue($this->uid, 'files', 'quota', 'default'); + } + if ($quota === 'default') { + $quota = $this->config->getAppValue('files', 'default_quota', 'none'); + + // if unlimited quota is not allowed => avoid getting 'unlimited' as default_quota fallback value + // use the first preset instead + $allowUnlimitedQuota = $this->config->getAppValue('files', 'allow_unlimited_quota', '1') === '1'; + if (!$allowUnlimitedQuota) { + $presets = $this->config->getAppValue('files', 'quota_preset', '1 GB, 5 GB, 10 GB'); + $presets = array_filter(array_map('trim', explode(',', $presets))); + $quotaPreset = array_values(array_diff($presets, ['default', 'none'])); + if (count($quotaPreset) > 0) { + $quota = $this->config->getAppValue('files', 'default_quota', $quotaPreset[0]); + } + } + } + return $quota; + } + + public function getQuotaBytes(): int|float { + $quota = $this->getQuota(); + if ($quota === 'none') { + return \OCP\Files\FileInfo::SPACE_UNLIMITED; + } + + $bytes = \OCP\Util::computerFileSize($quota); + if ($bytes === false) { + return \OCP\Files\FileInfo::SPACE_UNKNOWN; + } + return $bytes; + } + + /** + * set the users' quota + * + * @param string $quota + * @return void + * @throws InvalidArgumentException + * @since 9.0.0 + */ + public function setQuota($quota) { + $oldQuota = $this->config->getUserValue($this->uid, 'files', 'quota', ''); + if ($quota !== 'none' and $quota !== 'default') { + $bytesQuota = \OCP\Util::computerFileSize($quota); + if ($bytesQuota === false) { + throw new InvalidArgumentException('Failed to set quota to invalid value ' . $quota); + } + $quota = \OCP\Util::humanFileSize($bytesQuota); + } + if ($quota !== $oldQuota) { + $this->config->setUserValue($this->uid, 'files', 'quota', $quota); + $this->triggerChange('quota', $quota, $oldQuota); + } + \OC_Helper::clearStorageInfo('/' . $this->uid . '/files'); + } + + public function getManagerUids(): array { + $encodedUids = $this->config->getUserValue( + $this->uid, + 'settings', + self::CONFIG_KEY_MANAGERS, + '[]' + ); + return json_decode($encodedUids, false, 512, JSON_THROW_ON_ERROR); + } + + public function setManagerUids(array $uids): void { + $oldUids = $this->getManagerUids(); + $this->config->setUserValue( + $this->uid, + 'settings', + self::CONFIG_KEY_MANAGERS, + json_encode($uids, JSON_THROW_ON_ERROR) + ); + $this->triggerChange('managers', $uids, $oldUids); + } + + /** + * get the avatar image if it exists + * + * @param int $size + * @return IImage|null + * @since 9.0.0 + */ + public function getAvatarImage($size) { + // delay the initialization + if (is_null($this->avatarManager)) { + $this->avatarManager = \OC::$server->get(IAvatarManager::class); + } + + $avatar = $this->avatarManager->getAvatar($this->uid); + $image = $avatar->get($size); + if ($image) { + return $image; + } + + return null; + } + + /** + * get the federation cloud id + * + * @return string + * @since 9.0.0 + */ + public function getCloudId() { + $uid = $this->getUID(); + $server = rtrim($this->urlGenerator->getAbsoluteURL('/'), '/'); + if (str_ends_with($server, '/index.php')) { + $server = substr($server, 0, -10); + } + $server = $this->removeProtocolFromUrl($server); + return $uid . '@' . $server; + } + + private function removeProtocolFromUrl(string $url): string { + if (str_starts_with($url, 'https://')) { + return substr($url, strlen('https://')); + } + + return $url; + } + + public function triggerChange($feature, $value = null, $oldValue = null) { + $this->dispatcher->dispatchTyped(new UserChangedEvent($this, $feature, $value, $oldValue)); + if ($this->emitter) { + $this->emitter->emit('\OC\User', 'changeUser', [$this, $feature, $value, $oldValue]); + } + } +} |