nextcloud / server

apps/settings/lib/Controller/UsersController.php

Indentation +471 added lines, -471 removed lines

@@ -66,475 +66,475 @@
 use function in_array;
 
 class UsersController extends Controller {
-	/** @var UserManager */
-	private $userManager;
-	/** @var GroupManager */
-	private $groupManager;
-	/** @var IUserSession */
-	private $userSession;
-	/** @var IConfig */
-	private $config;
-	/** @var bool */
-	private $isAdmin;
-	/** @var IL10N */
-	private $l10n;
-	/** @var IMailer */
-	private $mailer;
-	/** @var Factory */
-	private $l10nFactory;
-	/** @var IAppManager */
-	private $appManager;
-	/** @var AccountManager */
-	private $accountManager;
-	/** @var Manager */
-	private $keyManager;
-	/** @var IJobList */
-	private $jobList;
-	/** @var IManager */
-	private $encryptionManager;
-	/** @var IEventDispatcher */
-	private $dispatcher;
-
-
-	public function __construct(
-		string $appName,
-		IRequest $request,
-		IUserManager $userManager,
-		IGroupManager $groupManager,
-		IUserSession $userSession,
-		IConfig $config,
-		bool $isAdmin,
-		IL10N $l10n,
-		IMailer $mailer,
-		IFactory $l10nFactory,
-		IAppManager $appManager,
-		AccountManager $accountManager,
-		Manager $keyManager,
-		IJobList $jobList,
-		IManager $encryptionManager,
-		IEventDispatcher $dispatcher
-	) {
-		parent::__construct($appName, $request);
-		$this->userManager = $userManager;
-		$this->groupManager = $groupManager;
-		$this->userSession = $userSession;
-		$this->config = $config;
-		$this->isAdmin = $isAdmin;
-		$this->l10n = $l10n;
-		$this->mailer = $mailer;
-		$this->l10nFactory = $l10nFactory;
-		$this->appManager = $appManager;
-		$this->accountManager = $accountManager;
-		$this->keyManager = $keyManager;
-		$this->jobList = $jobList;
-		$this->encryptionManager = $encryptionManager;
-		$this->dispatcher = $dispatcher;
-	}
-
-
-	/**
-	 * @NoCSRFRequired
-	 * @NoAdminRequired
-	 *
-	 * Display users list template
-	 *
-	 * @return TemplateResponse
-	 */
-	public function usersListByGroup() {
-		return $this->usersList();
-	}
-
-	/**
-	 * @NoCSRFRequired
-	 * @NoAdminRequired
-	 *
-	 * Display users list template
-	 *
-	 * @return TemplateResponse
-	 */
-	public function usersList() {
-		$user = $this->userSession->getUser();
-		$uid = $user->getUID();
-
-		\OC::$server->getNavigationManager()->setActiveEntry('core_users');
-
-		/* SORT OPTION: SORT_USERCOUNT or SORT_GROUPNAME */
-		$sortGroupsBy = \OC\Group\MetaData::SORT_USERCOUNT;
-		$isLDAPUsed = false;
-		if ($this->config->getSystemValue('sort_groups_by_name', false)) {
-			$sortGroupsBy = \OC\Group\MetaData::SORT_GROUPNAME;
-		} else {
-			if ($this->appManager->isEnabledForUser('user_ldap')) {
-				$isLDAPUsed =
-					$this->groupManager->isBackendUsed('\OCA\User_LDAP\Group_Proxy');
-				if ($isLDAPUsed) {
-					// LDAP user count can be slow, so we sort by group name here
-					$sortGroupsBy = \OC\Group\MetaData::SORT_GROUPNAME;
-				}
-			}
-		}
-
-		$canChangePassword = $this->canAdminChangeUserPasswords();
-
-		/* GROUPS */
-		$groupsInfo = new \OC\Group\MetaData(
-			$uid,
-			$this->isAdmin,
-			$this->groupManager,
-			$this->userSession
-		);
-
-		$groupsInfo->setSorting($sortGroupsBy);
-		list($adminGroup, $groups) = $groupsInfo->get();
-
-		if (!$isLDAPUsed && $this->appManager->isEnabledForUser('user_ldap')) {
-			$isLDAPUsed = (bool)array_reduce($this->userManager->getBackends(), function ($ldapFound, $backend) {
-				return $ldapFound || $backend instanceof User_Proxy;
-			});
-		}
-
-		$disabledUsers = -1;
-		$userCount = 0;
-
-		if (!$isLDAPUsed) {
-			if ($this->isAdmin) {
-				$disabledUsers = $this->userManager->countDisabledUsers();
-				$userCount = array_reduce($this->userManager->countUsers(), function ($v, $w) {
-					return $v + (int)$w;
-				}, 0);
-			} else {
-				// User is subadmin !
-				// Map group list to names to retrieve the countDisabledUsersOfGroups
-				$userGroups = $this->groupManager->getUserGroups($user);
-				$groupsNames = [];
-
-				foreach ($groups as $key => $group) {
-					// $userCount += (int)$group['usercount'];
-					array_push($groupsNames, $group['name']);
-					// we prevent subadmins from looking up themselves
-					// so we lower the count of the groups he belongs to
-					if (array_key_exists($group['id'], $userGroups)) {
-						$groups[$key]['usercount']--;
-						$userCount -= 1; // we also lower from one the total count
-					}
-				}
-				$userCount += $this->userManager->countUsersOfGroups($groupsInfo->getGroups());
-				$disabledUsers = $this->userManager->countDisabledUsersOfGroups($groupsNames);
-			}
-
-			$userCount -= $disabledUsers;
-		}
-
-		$disabledUsersGroup = [
-			'id' => 'disabled',
-			'name' => 'Disabled users',
-			'usercount' => $disabledUsers
-		];
-
-		/* QUOTAS PRESETS */
-		$quotaPreset = $this->parseQuotaPreset($this->config->getAppValue('files', 'quota_preset', '1 GB, 5 GB, 10 GB'));
-		$defaultQuota = $this->config->getAppValue('files', 'default_quota', 'none');
-
-		$event = new BeforeTemplateRenderedEvent();
-		$this->dispatcher->dispatch('OC\Settings\Users::loadAdditionalScripts', $event);
-		$this->dispatcher->dispatchTyped($event);
-
-		/* LANGUAGES */
-		$languages = $this->l10nFactory->getLanguages();
-
-		/* FINAL DATA */
-		$serverData = [];
-		// groups
-		$serverData['groups'] = array_merge_recursive($adminGroup, [$disabledUsersGroup], $groups);
-		// Various data
-		$serverData['isAdmin'] = $this->isAdmin;
-		$serverData['sortGroups'] = $sortGroupsBy;
-		$serverData['quotaPreset'] = $quotaPreset;
-		$serverData['userCount'] = $userCount;
-		$serverData['languages'] = $languages;
-		$serverData['defaultLanguage'] = $this->config->getSystemValue('default_language', 'en');
-		$serverData['forceLanguage'] = $this->config->getSystemValue('force_language', false);
-		// Settings
-		$serverData['defaultQuota'] = $defaultQuota;
-		$serverData['canChangePassword'] = $canChangePassword;
-		$serverData['newUserGenerateUserID'] = $this->config->getAppValue('core', 'newUser.generateUserID', 'no') === 'yes';
-		$serverData['newUserRequireEmail'] = $this->config->getAppValue('core', 'newUser.requireEmail', 'no') === 'yes';
-		$serverData['newUserSendEmail'] = $this->config->getAppValue('core', 'newUser.sendEmail', 'yes') === 'yes';
-
-		return new TemplateResponse('settings', 'settings-vue', ['serverData' => $serverData]);
-	}
-
-	/**
-	 * @param string $key
-	 * @param string $value
-	 *
-	 * @return JSONResponse
-	 */
-	public function setPreference(string $key, string $value): JSONResponse {
-		$allowed = ['newUser.sendEmail'];
-		if (!in_array($key, $allowed, true)) {
-			return new JSONResponse([], Http::STATUS_FORBIDDEN);
-		}
-
-		$this->config->setAppValue('core', $key, $value);
-
-		return new JSONResponse([]);
-	}
-
-	/**
-	 * Parse the app value for quota_present
-	 *
-	 * @param string $quotaPreset
-	 * @return array
-	 */
-	protected function parseQuotaPreset(string $quotaPreset): array {
-		// 1 GB, 5 GB, 10 GB => [1 GB, 5 GB, 10 GB]
-		$presets = array_filter(array_map('trim', explode(',', $quotaPreset)));
-		// Drop default and none, Make array indexes numerically
-		return array_values(array_diff($presets, ['default', 'none']));
-	}
-
-	/**
-	 * check if the admin can change the users password
-	 *
-	 * The admin can change the passwords if:
-	 *
-	 *   - no encryption module is loaded and encryption is disabled
-	 *   - encryption module is loaded but it doesn't require per user keys
-	 *
-	 * The admin can not change the passwords if:
-	 *
-	 *   - an encryption module is loaded and it uses per-user keys
-	 *   - encryption is enabled but no encryption modules are loaded
-	 *
-	 * @return bool
-	 */
-	protected function canAdminChangeUserPasswords() {
-		$isEncryptionEnabled = $this->encryptionManager->isEnabled();
-		try {
-			$noUserSpecificEncryptionKeys = !$this->encryptionManager->getEncryptionModule()->needDetailedAccessList();
-			$isEncryptionModuleLoaded = true;
-		} catch (ModuleDoesNotExistsException $e) {
-			$noUserSpecificEncryptionKeys = true;
-			$isEncryptionModuleLoaded = false;
-		}
-		$canChangePassword = ($isEncryptionModuleLoaded && $noUserSpecificEncryptionKeys)
-			|| (!$isEncryptionModuleLoaded && !$isEncryptionEnabled);
-
-		return $canChangePassword;
-	}
-
-	/**
-	 * @NoAdminRequired
-	 * @NoSubAdminRequired
-	 * @PasswordConfirmationRequired
-	 *
-	 * @param string $avatarScope
-	 * @param string $displayname
-	 * @param string $displaynameScope
-	 * @param string $phone
-	 * @param string $phoneScope
-	 * @param string $email
-	 * @param string $emailScope
-	 * @param string $website
-	 * @param string $websiteScope
-	 * @param string $address
-	 * @param string $addressScope
-	 * @param string $twitter
-	 * @param string $twitterScope
-	 * @return DataResponse
-	 */
-	public function setUserSettings($avatarScope,
-									$displayname,
-									$displaynameScope,
-									$phone,
-									$phoneScope,
-									$email,
-									$emailScope,
-									$website,
-									$websiteScope,
-									$address,
-									$addressScope,
-									$twitter,
-									$twitterScope
-	) {
-		$email = strtolower($email);
-		if (!empty($email) && !$this->mailer->validateMailAddress($email)) {
-			return new DataResponse(
-				[
-					'status' => 'error',
-					'data' => [
-						'message' => $this->l10n->t('Invalid mail address')
-					]
-				],
-				Http::STATUS_UNPROCESSABLE_ENTITY
-			);
-		}
-		$user = $this->userSession->getUser();
-		$data = $this->accountManager->getUser($user);
-		$data[AccountManager::PROPERTY_AVATAR] = ['scope' => $avatarScope];
-		if ($this->config->getSystemValue('allow_user_to_change_display_name', true) !== false) {
-			$data[AccountManager::PROPERTY_DISPLAYNAME] = ['value' => $displayname, 'scope' => $displaynameScope];
-			$data[AccountManager::PROPERTY_EMAIL] = ['value' => $email, 'scope' => $emailScope];
-		}
-		if ($this->appManager->isEnabledForUser('federatedfilesharing')) {
-			$shareProvider = \OC::$server->query(FederatedShareProvider::class);
-			if ($shareProvider->isLookupServerUploadEnabled()) {
-				$data[AccountManager::PROPERTY_WEBSITE] = ['value' => $website, 'scope' => $websiteScope];
-				$data[AccountManager::PROPERTY_ADDRESS] = ['value' => $address, 'scope' => $addressScope];
-				$data[AccountManager::PROPERTY_PHONE] = ['value' => $phone, 'scope' => $phoneScope];
-				$data[AccountManager::PROPERTY_TWITTER] = ['value' => $twitter, 'scope' => $twitterScope];
-			}
-		}
-		try {
-			$this->saveUserSettings($user, $data);
-			return new DataResponse(
-				[
-					'status' => 'success',
-					'data' => [
-						'userId' => $user->getUID(),
-						'avatarScope' => $data[AccountManager::PROPERTY_AVATAR]['scope'],
-						'displayname' => $data[AccountManager::PROPERTY_DISPLAYNAME]['value'],
-						'displaynameScope' => $data[AccountManager::PROPERTY_DISPLAYNAME]['scope'],
-						'email' => $data[AccountManager::PROPERTY_EMAIL]['value'],
-						'emailScope' => $data[AccountManager::PROPERTY_EMAIL]['scope'],
-						'website' => $data[AccountManager::PROPERTY_WEBSITE]['value'],
-						'websiteScope' => $data[AccountManager::PROPERTY_WEBSITE]['scope'],
-						'address' => $data[AccountManager::PROPERTY_ADDRESS]['value'],
-						'addressScope' => $data[AccountManager::PROPERTY_ADDRESS]['scope'],
-						'message' => $this->l10n->t('Settings saved')
-					]
-				],
-				Http::STATUS_OK
-			);
-		} catch (ForbiddenException $e) {
-			return new DataResponse([
-				'status' => 'error',
-				'data' => [
-					'message' => $e->getMessage()
-				],
-			]);
-		}
-	}
-	/**
-	 * update account manager with new user data
-	 *
-	 * @param IUser $user
-	 * @param array $data
-	 * @throws ForbiddenException
-	 */
-	protected function saveUserSettings(IUser $user, array $data) {
-		// keep the user back-end up-to-date with the latest display name and email
-		// address
-		$oldDisplayName = $user->getDisplayName();
-		$oldDisplayName = is_null($oldDisplayName) ? '' : $oldDisplayName;
-		if (isset($data[AccountManager::PROPERTY_DISPLAYNAME]['value'])
-			&& $oldDisplayName !== $data[AccountManager::PROPERTY_DISPLAYNAME]['value']
-		) {
-			$result = $user->setDisplayName($data[AccountManager::PROPERTY_DISPLAYNAME]['value']);
-			if ($result === false) {
-				throw new ForbiddenException($this->l10n->t('Unable to change full name'));
-			}
-		}
-		$oldEmailAddress = $user->getEMailAddress();
-		$oldEmailAddress = is_null($oldEmailAddress) ? '' : strtolower($oldEmailAddress);
-		if (isset($data[AccountManager::PROPERTY_EMAIL]['value'])
-			&& $oldEmailAddress !== $data[AccountManager::PROPERTY_EMAIL]['value']
-		) {
-			// this is the only permission a backend provides and is also used
-			// for the permission of setting a email address
-			if (!$user->canChangeDisplayName()) {
-				throw new ForbiddenException($this->l10n->t('Unable to change email address'));
-			}
-			$user->setEMailAddress($data[AccountManager::PROPERTY_EMAIL]['value']);
-		}
-		$this->accountManager->updateUser($user, $data);
-	}
-
-	/**
-	 * Set the mail address of a user
-	 *
-	 * @NoAdminRequired
-	 * @NoSubAdminRequired
-	 * @PasswordConfirmationRequired
-	 *
-	 * @param string $account
-	 * @param bool $onlyVerificationCode only return verification code without updating the data
-	 * @return DataResponse
-	 */
-	public function getVerificationCode(string $account, bool $onlyVerificationCode): DataResponse {
-		$user = $this->userSession->getUser();
-
-		if ($user === null) {
-			return new DataResponse([], Http::STATUS_BAD_REQUEST);
-		}
-
-		$accountData = $this->accountManager->getUser($user);
-		$cloudId = $user->getCloudId();
-		$message = 'Use my Federated Cloud ID to share with me: ' . $cloudId;
-		$signature = $this->signMessage($user, $message);
-
-		$code = $message . ' ' . $signature;
-		$codeMd5 = $message . ' ' . md5($signature);
-
-		switch ($account) {
-			case 'verify-twitter':
-				$accountData[AccountManager::PROPERTY_TWITTER]['verified'] = AccountManager::VERIFICATION_IN_PROGRESS;
-				$msg = $this->l10n->t('In order to verify your Twitter account, post the following tweet on Twitter (please make sure to post it without any line breaks):');
-				$code = $codeMd5;
-				$type = AccountManager::PROPERTY_TWITTER;
-				$data = $accountData[AccountManager::PROPERTY_TWITTER]['value'];
-				$accountData[AccountManager::PROPERTY_TWITTER]['signature'] = $signature;
-				break;
-			case 'verify-website':
-				$accountData[AccountManager::PROPERTY_WEBSITE]['verified'] = AccountManager::VERIFICATION_IN_PROGRESS;
-				$msg = $this->l10n->t('In order to verify your Website, store the following content in your web-root at \'.well-known/CloudIdVerificationCode.txt\' (please make sure that the complete text is in one line):');
-				$type = AccountManager::PROPERTY_WEBSITE;
-				$data = $accountData[AccountManager::PROPERTY_WEBSITE]['value'];
-				$accountData[AccountManager::PROPERTY_WEBSITE]['signature'] = $signature;
-				break;
-			default:
-				return new DataResponse([], Http::STATUS_BAD_REQUEST);
-		}
-
-		if ($onlyVerificationCode === false) {
-			$this->accountManager->updateUser($user, $accountData);
-
-			$this->jobList->add(VerifyUserData::class,
-				[
-					'verificationCode' => $code,
-					'data' => $data,
-					'type' => $type,
-					'uid' => $user->getUID(),
-					'try' => 0,
-					'lastRun' => $this->getCurrentTime()
-				]
-			);
-		}
-
-		return new DataResponse(['msg' => $msg, 'code' => $code]);
-	}
-
-	/**
-	 * get current timestamp
-	 *
-	 * @return int
-	 */
-	protected function getCurrentTime(): int {
-		return time();
-	}
-
-	/**
-	 * sign message with users private key
-	 *
-	 * @param IUser $user
-	 * @param string $message
-	 *
-	 * @return string base64 encoded signature
-	 */
-	protected function signMessage(IUser $user, string $message): string {
-		$privateKey = $this->keyManager->getKey($user)->getPrivate();
-		openssl_sign(json_encode($message), $signature, $privateKey, OPENSSL_ALGO_SHA512);
-		return base64_encode($signature);
-	}
+    /** @var UserManager */
+    private $userManager;
+    /** @var GroupManager */
+    private $groupManager;
+    /** @var IUserSession */
+    private $userSession;
+    /** @var IConfig */
+    private $config;
+    /** @var bool */
+    private $isAdmin;
+    /** @var IL10N */
+    private $l10n;
+    /** @var IMailer */
+    private $mailer;
+    /** @var Factory */
+    private $l10nFactory;
+    /** @var IAppManager */
+    private $appManager;
+    /** @var AccountManager */
+    private $accountManager;
+    /** @var Manager */
+    private $keyManager;
+    /** @var IJobList */
+    private $jobList;
+    /** @var IManager */
+    private $encryptionManager;
+    /** @var IEventDispatcher */
+    private $dispatcher;
+
+
+    public function __construct(
+        string $appName,
+        IRequest $request,
+        IUserManager $userManager,
+        IGroupManager $groupManager,
+        IUserSession $userSession,
+        IConfig $config,
+        bool $isAdmin,
+        IL10N $l10n,
+        IMailer $mailer,
+        IFactory $l10nFactory,
+        IAppManager $appManager,
+        AccountManager $accountManager,
+        Manager $keyManager,
+        IJobList $jobList,
+        IManager $encryptionManager,
+        IEventDispatcher $dispatcher
+    ) {
+        parent::__construct($appName, $request);
+        $this->userManager = $userManager;
+        $this->groupManager = $groupManager;
+        $this->userSession = $userSession;
+        $this->config = $config;
+        $this->isAdmin = $isAdmin;
+        $this->l10n = $l10n;
+        $this->mailer = $mailer;
+        $this->l10nFactory = $l10nFactory;
+        $this->appManager = $appManager;
+        $this->accountManager = $accountManager;
+        $this->keyManager = $keyManager;
+        $this->jobList = $jobList;
+        $this->encryptionManager = $encryptionManager;
+        $this->dispatcher = $dispatcher;
+    }
+
+
+    /**
+     * @NoCSRFRequired
+     * @NoAdminRequired
+     *
+     * Display users list template
+     *
+     * @return TemplateResponse
+     */
+    public function usersListByGroup() {
+        return $this->usersList();
+    }
+
+    /**
+     * @NoCSRFRequired
+     * @NoAdminRequired
+     *
+     * Display users list template
+     *
+     * @return TemplateResponse
+     */
+    public function usersList() {
+        $user = $this->userSession->getUser();
+        $uid = $user->getUID();
+
+        \OC::$server->getNavigationManager()->setActiveEntry('core_users');
+
+        /* SORT OPTION: SORT_USERCOUNT or SORT_GROUPNAME */
+        $sortGroupsBy = \OC\Group\MetaData::SORT_USERCOUNT;
+        $isLDAPUsed = false;
+        if ($this->config->getSystemValue('sort_groups_by_name', false)) {
+            $sortGroupsBy = \OC\Group\MetaData::SORT_GROUPNAME;
+        } else {
+            if ($this->appManager->isEnabledForUser('user_ldap')) {
+                $isLDAPUsed =
+                    $this->groupManager->isBackendUsed('\OCA\User_LDAP\Group_Proxy');
+                if ($isLDAPUsed) {
+                    // LDAP user count can be slow, so we sort by group name here
+                    $sortGroupsBy = \OC\Group\MetaData::SORT_GROUPNAME;
+                }
+            }
+        }
+
+        $canChangePassword = $this->canAdminChangeUserPasswords();
+
+        /* GROUPS */
+        $groupsInfo = new \OC\Group\MetaData(
+            $uid,
+            $this->isAdmin,
+            $this->groupManager,
+            $this->userSession
+        );
+
+        $groupsInfo->setSorting($sortGroupsBy);
+        list($adminGroup, $groups) = $groupsInfo->get();
+
+        if (!$isLDAPUsed && $this->appManager->isEnabledForUser('user_ldap')) {
+            $isLDAPUsed = (bool)array_reduce($this->userManager->getBackends(), function ($ldapFound, $backend) {
+                return $ldapFound || $backend instanceof User_Proxy;
+            });
+        }
+
+        $disabledUsers = -1;
+        $userCount = 0;
+
+        if (!$isLDAPUsed) {
+            if ($this->isAdmin) {
+                $disabledUsers = $this->userManager->countDisabledUsers();
+                $userCount = array_reduce($this->userManager->countUsers(), function ($v, $w) {
+                    return $v + (int)$w;
+                }, 0);
+            } else {
+                // User is subadmin !
+                // Map group list to names to retrieve the countDisabledUsersOfGroups
+                $userGroups = $this->groupManager->getUserGroups($user);
+                $groupsNames = [];
+
+                foreach ($groups as $key => $group) {
+                    // $userCount += (int)$group['usercount'];
+                    array_push($groupsNames, $group['name']);
+                    // we prevent subadmins from looking up themselves
+                    // so we lower the count of the groups he belongs to
+                    if (array_key_exists($group['id'], $userGroups)) {
+                        $groups[$key]['usercount']--;
+                        $userCount -= 1; // we also lower from one the total count
+                    }
+                }
+                $userCount += $this->userManager->countUsersOfGroups($groupsInfo->getGroups());
+                $disabledUsers = $this->userManager->countDisabledUsersOfGroups($groupsNames);
+            }
+
+            $userCount -= $disabledUsers;
+        }
+
+        $disabledUsersGroup = [
+            'id' => 'disabled',
+            'name' => 'Disabled users',
+            'usercount' => $disabledUsers
+        ];
+
+        /* QUOTAS PRESETS */
+        $quotaPreset = $this->parseQuotaPreset($this->config->getAppValue('files', 'quota_preset', '1 GB, 5 GB, 10 GB'));
+        $defaultQuota = $this->config->getAppValue('files', 'default_quota', 'none');
+
+        $event = new BeforeTemplateRenderedEvent();
+        $this->dispatcher->dispatch('OC\Settings\Users::loadAdditionalScripts', $event);
+        $this->dispatcher->dispatchTyped($event);
+
+        /* LANGUAGES */
+        $languages = $this->l10nFactory->getLanguages();
+
+        /* FINAL DATA */
+        $serverData = [];
+        // groups
+        $serverData['groups'] = array_merge_recursive($adminGroup, [$disabledUsersGroup], $groups);
+        // Various data
+        $serverData['isAdmin'] = $this->isAdmin;
+        $serverData['sortGroups'] = $sortGroupsBy;
+        $serverData['quotaPreset'] = $quotaPreset;
+        $serverData['userCount'] = $userCount;
+        $serverData['languages'] = $languages;
+        $serverData['defaultLanguage'] = $this->config->getSystemValue('default_language', 'en');
+        $serverData['forceLanguage'] = $this->config->getSystemValue('force_language', false);
+        // Settings
+        $serverData['defaultQuota'] = $defaultQuota;
+        $serverData['canChangePassword'] = $canChangePassword;
+        $serverData['newUserGenerateUserID'] = $this->config->getAppValue('core', 'newUser.generateUserID', 'no') === 'yes';
+        $serverData['newUserRequireEmail'] = $this->config->getAppValue('core', 'newUser.requireEmail', 'no') === 'yes';
+        $serverData['newUserSendEmail'] = $this->config->getAppValue('core', 'newUser.sendEmail', 'yes') === 'yes';
+
+        return new TemplateResponse('settings', 'settings-vue', ['serverData' => $serverData]);
+    }
+
+    /**
+     * @param string $key
+     * @param string $value
+     *
+     * @return JSONResponse
+     */
+    public function setPreference(string $key, string $value): JSONResponse {
+        $allowed = ['newUser.sendEmail'];
+        if (!in_array($key, $allowed, true)) {
+            return new JSONResponse([], Http::STATUS_FORBIDDEN);
+        }
+
+        $this->config->setAppValue('core', $key, $value);
+
+        return new JSONResponse([]);
+    }
+
+    /**
+     * Parse the app value for quota_present
+     *
+     * @param string $quotaPreset
+     * @return array
+     */
+    protected function parseQuotaPreset(string $quotaPreset): array {
+        // 1 GB, 5 GB, 10 GB => [1 GB, 5 GB, 10 GB]
+        $presets = array_filter(array_map('trim', explode(',', $quotaPreset)));
+        // Drop default and none, Make array indexes numerically
+        return array_values(array_diff($presets, ['default', 'none']));
+    }
+
+    /**
+     * check if the admin can change the users password
+     *
+     * The admin can change the passwords if:
+     *
+     *   - no encryption module is loaded and encryption is disabled
+     *   - encryption module is loaded but it doesn't require per user keys
+     *
+     * The admin can not change the passwords if:
+     *
+     *   - an encryption module is loaded and it uses per-user keys
+     *   - encryption is enabled but no encryption modules are loaded
+     *
+     * @return bool
+     */
+    protected function canAdminChangeUserPasswords() {
+        $isEncryptionEnabled = $this->encryptionManager->isEnabled();
+        try {
+            $noUserSpecificEncryptionKeys = !$this->encryptionManager->getEncryptionModule()->needDetailedAccessList();
+            $isEncryptionModuleLoaded = true;
+        } catch (ModuleDoesNotExistsException $e) {
+            $noUserSpecificEncryptionKeys = true;
+            $isEncryptionModuleLoaded = false;
+        }
+        $canChangePassword = ($isEncryptionModuleLoaded && $noUserSpecificEncryptionKeys)
+            || (!$isEncryptionModuleLoaded && !$isEncryptionEnabled);
+
+        return $canChangePassword;
+    }
+
+    /**
+     * @NoAdminRequired
+     * @NoSubAdminRequired
+     * @PasswordConfirmationRequired
+     *
+     * @param string $avatarScope
+     * @param string $displayname
+     * @param string $displaynameScope
+     * @param string $phone
+     * @param string $phoneScope
+     * @param string $email
+     * @param string $emailScope
+     * @param string $website
+     * @param string $websiteScope
+     * @param string $address
+     * @param string $addressScope
+     * @param string $twitter
+     * @param string $twitterScope
+     * @return DataResponse
+     */
+    public function setUserSettings($avatarScope,
+                                    $displayname,
+                                    $displaynameScope,
+                                    $phone,
+                                    $phoneScope,
+                                    $email,
+                                    $emailScope,
+                                    $website,
+                                    $websiteScope,
+                                    $address,
+                                    $addressScope,
+                                    $twitter,
+                                    $twitterScope
+    ) {
+        $email = strtolower($email);
+        if (!empty($email) && !$this->mailer->validateMailAddress($email)) {
+            return new DataResponse(
+                [
+                    'status' => 'error',
+                    'data' => [
+                        'message' => $this->l10n->t('Invalid mail address')
+                    ]
+                ],
+                Http::STATUS_UNPROCESSABLE_ENTITY
+            );
+        }
+        $user = $this->userSession->getUser();
+        $data = $this->accountManager->getUser($user);
+        $data[AccountManager::PROPERTY_AVATAR] = ['scope' => $avatarScope];
+        if ($this->config->getSystemValue('allow_user_to_change_display_name', true) !== false) {
+            $data[AccountManager::PROPERTY_DISPLAYNAME] = ['value' => $displayname, 'scope' => $displaynameScope];
+            $data[AccountManager::PROPERTY_EMAIL] = ['value' => $email, 'scope' => $emailScope];
+        }
+        if ($this->appManager->isEnabledForUser('federatedfilesharing')) {
+            $shareProvider = \OC::$server->query(FederatedShareProvider::class);
+            if ($shareProvider->isLookupServerUploadEnabled()) {
+                $data[AccountManager::PROPERTY_WEBSITE] = ['value' => $website, 'scope' => $websiteScope];
+                $data[AccountManager::PROPERTY_ADDRESS] = ['value' => $address, 'scope' => $addressScope];
+                $data[AccountManager::PROPERTY_PHONE] = ['value' => $phone, 'scope' => $phoneScope];
+                $data[AccountManager::PROPERTY_TWITTER] = ['value' => $twitter, 'scope' => $twitterScope];
+            }
+        }
+        try {
+            $this->saveUserSettings($user, $data);
+            return new DataResponse(
+                [
+                    'status' => 'success',
+                    'data' => [
+                        'userId' => $user->getUID(),
+                        'avatarScope' => $data[AccountManager::PROPERTY_AVATAR]['scope'],
+                        'displayname' => $data[AccountManager::PROPERTY_DISPLAYNAME]['value'],
+                        'displaynameScope' => $data[AccountManager::PROPERTY_DISPLAYNAME]['scope'],
+                        'email' => $data[AccountManager::PROPERTY_EMAIL]['value'],
+                        'emailScope' => $data[AccountManager::PROPERTY_EMAIL]['scope'],
+                        'website' => $data[AccountManager::PROPERTY_WEBSITE]['value'],
+                        'websiteScope' => $data[AccountManager::PROPERTY_WEBSITE]['scope'],
+                        'address' => $data[AccountManager::PROPERTY_ADDRESS]['value'],
+                        'addressScope' => $data[AccountManager::PROPERTY_ADDRESS]['scope'],
+                        'message' => $this->l10n->t('Settings saved')
+                    ]
+                ],
+                Http::STATUS_OK
+            );
+        } catch (ForbiddenException $e) {
+            return new DataResponse([
+                'status' => 'error',
+                'data' => [
+                    'message' => $e->getMessage()
+                ],
+            ]);
+        }
+    }
+    /**
+     * update account manager with new user data
+     *
+     * @param IUser $user
+     * @param array $data
+     * @throws ForbiddenException
+     */
+    protected function saveUserSettings(IUser $user, array $data) {
+        // keep the user back-end up-to-date with the latest display name and email
+        // address
+        $oldDisplayName = $user->getDisplayName();
+        $oldDisplayName = is_null($oldDisplayName) ? '' : $oldDisplayName;
+        if (isset($data[AccountManager::PROPERTY_DISPLAYNAME]['value'])
+            && $oldDisplayName !== $data[AccountManager::PROPERTY_DISPLAYNAME]['value']
+        ) {
+            $result = $user->setDisplayName($data[AccountManager::PROPERTY_DISPLAYNAME]['value']);
+            if ($result === false) {
+                throw new ForbiddenException($this->l10n->t('Unable to change full name'));
+            }
+        }
+        $oldEmailAddress = $user->getEMailAddress();
+        $oldEmailAddress = is_null($oldEmailAddress) ? '' : strtolower($oldEmailAddress);
+        if (isset($data[AccountManager::PROPERTY_EMAIL]['value'])
+            && $oldEmailAddress !== $data[AccountManager::PROPERTY_EMAIL]['value']
+        ) {
+            // this is the only permission a backend provides and is also used
+            // for the permission of setting a email address
+            if (!$user->canChangeDisplayName()) {
+                throw new ForbiddenException($this->l10n->t('Unable to change email address'));
+            }
+            $user->setEMailAddress($data[AccountManager::PROPERTY_EMAIL]['value']);
+        }
+        $this->accountManager->updateUser($user, $data);
+    }
+
+    /**
+     * Set the mail address of a user
+     *
+     * @NoAdminRequired
+     * @NoSubAdminRequired
+     * @PasswordConfirmationRequired
+     *
+     * @param string $account
+     * @param bool $onlyVerificationCode only return verification code without updating the data
+     * @return DataResponse
+     */
+    public function getVerificationCode(string $account, bool $onlyVerificationCode): DataResponse {
+        $user = $this->userSession->getUser();
+
+        if ($user === null) {
+            return new DataResponse([], Http::STATUS_BAD_REQUEST);
+        }
+
+        $accountData = $this->accountManager->getUser($user);
+        $cloudId = $user->getCloudId();
+        $message = 'Use my Federated Cloud ID to share with me: ' . $cloudId;
+        $signature = $this->signMessage($user, $message);
+
+        $code = $message . ' ' . $signature;
+        $codeMd5 = $message . ' ' . md5($signature);
+
+        switch ($account) {
+            case 'verify-twitter':
+                $accountData[AccountManager::PROPERTY_TWITTER]['verified'] = AccountManager::VERIFICATION_IN_PROGRESS;
+                $msg = $this->l10n->t('In order to verify your Twitter account, post the following tweet on Twitter (please make sure to post it without any line breaks):');
+                $code = $codeMd5;
+                $type = AccountManager::PROPERTY_TWITTER;
+                $data = $accountData[AccountManager::PROPERTY_TWITTER]['value'];
+                $accountData[AccountManager::PROPERTY_TWITTER]['signature'] = $signature;
+                break;
+            case 'verify-website':
+                $accountData[AccountManager::PROPERTY_WEBSITE]['verified'] = AccountManager::VERIFICATION_IN_PROGRESS;
+                $msg = $this->l10n->t('In order to verify your Website, store the following content in your web-root at \'.well-known/CloudIdVerificationCode.txt\' (please make sure that the complete text is in one line):');
+                $type = AccountManager::PROPERTY_WEBSITE;
+                $data = $accountData[AccountManager::PROPERTY_WEBSITE]['value'];
+                $accountData[AccountManager::PROPERTY_WEBSITE]['signature'] = $signature;
+                break;
+            default:
+                return new DataResponse([], Http::STATUS_BAD_REQUEST);
+        }
+
+        if ($onlyVerificationCode === false) {
+            $this->accountManager->updateUser($user, $accountData);
+
+            $this->jobList->add(VerifyUserData::class,
+                [
+                    'verificationCode' => $code,
+                    'data' => $data,
+                    'type' => $type,
+                    'uid' => $user->getUID(),
+                    'try' => 0,
+                    'lastRun' => $this->getCurrentTime()
+                ]
+            );
+        }
+
+        return new DataResponse(['msg' => $msg, 'code' => $code]);
+    }
+
+    /**
+     * get current timestamp
+     *
+     * @return int
+     */
+    protected function getCurrentTime(): int {
+        return time();
+    }
+
+    /**
+     * sign message with users private key
+     *
+     * @param IUser $user
+     * @param string $message
+     *
+     * @return string base64 encoded signature
+     */
+    protected function signMessage(IUser $user, string $message): string {
+        $privateKey = $this->keyManager->getKey($user)->getPrivate();
+        openssl_sign(json_encode($message), $signature, $privateKey, OPENSSL_ALGO_SHA512);
+        return base64_encode($signature);
+    }
 }