/**
* Adds a secret to config.php
*/
private function addSecret()
{
if (\OC::$server->getConfig()->getSystemValue('secret', null) === null) {
$secret = \OC_Util::generateRandomBytes(96);
\OC::$server->getConfig()->setSystemValue('secret', $secret);
}
}
public static function sendEmail($args)
{
$isEncrypted = \OC_App::isEnabled('files_encryption');
if (!$isEncrypted || isset($_POST['continue'])) {
$continue = true;
} else {
$continue = false;
}
if (\OC_User::userExists($_POST['user']) && $continue) {
$token = hash('sha256', \OC_Util::generateRandomBytes(30) . \OC_Config::getValue('passwordsalt', ''));
\OC_Preferences::setValue($_POST['user'], 'owncloud', 'lostpassword', hash('sha256', $token));
// Hash the token again to prevent timing attacks
$email = \OC_Preferences::getValue($_POST['user'], 'settings', 'email', '');
if (!empty($email)) {
$link = \OC_Helper::linkToRoute('core_lostpassword_reset', array('user' => $_POST['user'], 'token' => $token));
$link = \OC_Helper::makeURLAbsolute($link);
$tmpl = new \OC_Template('core/lostpassword', 'email');
$tmpl->assign('link', $link, false);
$msg = $tmpl->fetchPage();
$l = \OC_L10N::get('core');
$from = \OCP\Util::getDefaultEmailAddress('lostpassword-noreply');
try {
$defaults = new \OC_Defaults();
\OC_Mail::send($email, $_POST['user'], $l->t('%s password reset', array($defaults->getName())), $msg, $from, $defaults->getName());
} catch (Exception $e) {
\OC_Template::printErrorPage('A problem occurs during sending the e-mail please contact your administrator.');
}
self::displayLostPasswordPage(false, true);
} else {
self::displayLostPasswordPage(true, false);
}
} else {
self::displayLostPasswordPage(true, false);
}
}
public static function post_login($parameters)
{
$uid = $parameters['uid'];
$casBackend = OC_USER_CAS::getInstance();
$userDatabase = new OC_User_Database();
if (phpCAS::isAuthenticated()) {
// $cas_attributes may vary in name, therefore attributes are fetched to $attributes
$cas_attributes = phpCAS::getAttributes();
$cas_uid = phpCAS::getUser();
// parameters
$attributes = array();
if ($cas_uid == $uid) {
OC_Log::write('cas', 'attr \\"' . implode(',', $cas_attributes) . '\\" for the user: '******'cas_name'] = $cas_attributes[$casBackend->displayNameMapping];
} else {
$attributes['cas_name'] = $cas_attributes['cn'];
}
if (array_key_exists($casBackend->mailMapping, $cas_attributes)) {
$attributes['cas_email'] = $cas_attributes[$casBackend->mailMapping];
} else {
$attributes['cas_email'] = $cas_attributes['mail'];
}
if (array_key_exists($casBackend->groupMapping, $cas_attributes)) {
$attributes['cas_groups'] = $cas_attributes[$casBackend->groupMapping];
} else {
if (!empty($casBackend->defaultGroup)) {
$attributes['cas_groups'] = array($casBackend->defaultGroup);
OC_Log::write('cas', 'Using default group "' . $casBackend->defaultGroup . '" for the user: '******'/[^a-zA-Z0-9 _\\.@\\-]/', $uid)) {
OC_Log::write('cas', 'Invalid username "' . $uid . '", allowed chars "a-zA-Z0-9" and "_.@-" ', OC_Log::DEBUG);
return false;
} else {
$random_password = OC_Util::generateRandomBytes(20);
OC_Log::write('cas', 'Creating new user: ' . $uid, OC_Log::DEBUG);
$userDatabase->createUser($uid, $random_password);
// after creating the user, fill the attributes
if ($userDatabase->userExists($uid)) {
OC_USER_CAS_Hooks::update_user($uid, $attributes);
}
}
}
// try to update user attributes
if ($casBackend->updateUserData) {
OC_USER_CAS_Hooks::update_user($cas_uid, $attributes);
}
return true;
}
}
return false;
}
public function setupDatabase($username)
{
//check if the database user has admin right
$connection = @mysql_connect($this->dbhost, $this->dbuser, $this->dbpassword);
if (!$connection) {
throw new \OC\DatabaseSetupException($this->trans->t('MySQL/MariaDB username and/or password not valid'), $this->trans->t('You need to enter either an existing account or the administrator.'));
}
//user already specified in config
$oldUser = \OC_Config::getValue('dbuser', false);
//we don't have a dbuser specified in config
if ($this->dbuser != $oldUser) {
//add prefix to the admin username to prevent collisions
$adminUser = substr('oc_' . $username, 0, 16);
$i = 1;
while (true) {
//this should be enough to check for admin rights in mysql
$query = "SELECT user FROM mysql.user WHERE user='******'";
$result = mysql_query($query, $connection);
//current dbuser has admin rights
if ($result) {
//new dbuser does not exist
if (mysql_num_rows($result) === 0) {
//use the admin login data for the new database user
$this->dbuser = $adminUser;
//create a random password so we don't need to store the admin password in the config file
$this->dbpassword = \OC_Util::generateRandomBytes(30);
$this->createDBUser($connection);
break;
} else {
//repeat with different username
$length = strlen((string) $i);
$adminUser = substr('oc_' . $username, 0, 16 - $length) . $i;
$i++;
}
} else {
break;
}
}
\OC_Config::setValue('dbuser', $this->dbuser);
\OC_Config::setValue('dbpassword', $this->dbpassword);
}
//create the database
$this->createDatabase($connection);
//fill the database if needed
$query = 'select count(*) from information_schema.tables' . " where table_schema='" . $this->dbname . "' AND table_name = '" . $this->tableprefix . "users';";
$result = mysql_query($query, $connection);
if ($result) {
$row = mysql_fetch_row($result);
}
if (!$result or $row[0] == 0) {
\OC_DB::createDbFromStructure($this->dbDefinitionFile);
}
mysql_close($connection);
}
function setUp()
{
$this->username = OC_Util::generateRandomBytes(20);
OC_User::createUser($this->username, OC_Util::generateRandomBytes(20));
\OC_Util::tearDownFS();
\OC_User::setUserId('');
\OC\Files\Filesystem::tearDown();
\OC_Util::setupFS($this->username);
$this->user = \OC::$server->getUserManager()->get($this->username);
$this->certificateManager = new CertificateManager($this->user);
}
/**
* Encrypts a value and adds an HMAC (Encrypt-Then-MAC)
* @param string $plaintext
* @param string $password Password to encrypt, if not specified the secret from config.php will be taken
* @return string Authenticated ciphertext
*/
public function encrypt($plaintext, $password = '')
{
if ($password === '') {
$password = $this->config->getSystemValue('secret');
}
$this->cipher->setPassword($password);
$iv = \OC_Util::generateRandomBytes($this->ivLength);
$this->cipher->setIV($iv);
$ciphertext = bin2hex($this->cipher->encrypt($plaintext));
$hmac = bin2hex($this->calculateHMAC($ciphertext . $iv, $password));
return $ciphertext . '|' . $iv . '|' . $hmac;
}
public function setUp()
{
$dbfile = OC::$SERVERROOT . '/tests/data/db_structure.xml';
$dbfile2 = OC::$SERVERROOT . '/tests/data/db_structure2.xml';
$r = '_' . OC_Util::generateRandomBytes(4) . '_';
$content = file_get_contents($dbfile);
$content = str_replace('*dbprefix*', '*dbprefix*' . $r, $content);
file_put_contents($this->schema_file, $content);
$content = file_get_contents($dbfile2);
$content = str_replace('*dbprefix*', '*dbprefix*' . $r, $content);
file_put_contents($this->schema_file2, $content);
$this->table1 = $r . 'cntcts_addrsbks';
$this->table2 = $r . 'cntcts_cards';
}
public function setUp()
{
$dbfile = OC::$SERVERROOT . '/tests/data/db_structure.xml';
$r = '_' . OC_Util::generateRandomBytes(4) . '_';
$content = file_get_contents($dbfile);
$content = str_replace('*dbprefix*', '*dbprefix*' . $r, $content);
file_put_contents(self::$schema_file, $content);
OC_DB::createDbFromStructure(self::$schema_file);
$this->test_prefix = $r;
$this->table1 = $this->test_prefix . 'cntcts_addrsbks';
$this->table2 = $this->test_prefix . 'cntcts_cards';
$this->table3 = $this->test_prefix . 'vcategory';
$this->table4 = $this->test_prefix . 'decimal';
}
/**
* Compares whether two strings are equal. To prevent guessing of the string
* length this is done by comparing two hashes against each other and afterwards
* a comparison of the real string to prevent against the unlikely chance of
* collisions.
*
* Be aware that this function may leak whether the string to compare have a different
* length.
*
* @param string $expected The expected value
* @param string $input The input to compare against
* @return bool True if the two strings are equal, otherwise false.
*/
public static function equals($expected, $input)
{
if (!is_string($expected) || !is_string($input)) {
return false;
}
if (function_exists('hash_equals')) {
return hash_equals($expected, $input);
}
$randomString = \OC_Util::generateRandomBytes(10);
if (hash('sha512', $expected . $randomString) === hash('sha512', $input . $randomString)) {
if ($expected === $input) {
return true;
}
}
return false;
}
public static function xsetUpBeforeClass()
{
$dbfile = __DIR__ . '/../../appinfo/database.xml';
self::$test_prefix = '_' . OC_Util::generateRandomBytes('4') . '_';
$content = file_get_contents($dbfile);
$content = str_replace('*dbprefix*', '*dbprefix*' . self::$test_prefix, $content);
file_put_contents(self::$schema_file, $content);
OC_DB::createDbFromStructure(self::$schema_file);
self::$addressBooksTableName = '*PREFIX*' . self::$test_prefix . 'contacts_addressbooks';
self::$cardsTableName = '*PREFIX*' . self::$test_prefix . 'contacts_cards';
OC_User::clearBackends();
OC_User::useBackend('dummy');
self::$user = uniqid('user_');
OC_User::createUser(self::$user, 'pass');
OC_User::setUserId(self::$user);
self::$backend = new OCA\Contacts\Backend\Database(self::$user, self::$addressBooksTableName, self::$cardsTableName);
}
public function setupDatabase($username)
{
//check if the database user has admin right
$connection = @mysql_connect($this->dbhost, $this->dbuser, $this->dbpassword);
if (!$connection) {
throw new \DatabaseSetupException($this->trans->t('MySQL username and/or password not valid'), $this->trans->t('You need to enter either an existing account or the administrator.'));
}
$oldUser = \OC_Config::getValue('dbuser', false);
//this should be enough to check for admin rights in mysql
$query = "SELECT user FROM mysql.user WHERE user='******'";
if (mysql_query($query, $connection)) {
//use the admin login data for the new database user
//add prefix to the mysql user name to prevent collisions
$this->dbuser = substr('oc_' . $username, 0, 16);
if ($this->dbuser != $oldUser) {
//hash the password so we don't need to store the admin config in the config file
$this->dbpassword = \OC_Util::generateRandomBytes(30);
$this->createDBUser($connection);
\OC_Config::setValue('dbuser', $this->dbuser);
\OC_Config::setValue('dbpassword', $this->dbpassword);
}
//create the database
$this->createDatabase($connection);
} else {
if ($this->dbuser != $oldUser) {
\OC_Config::setValue('dbuser', $this->dbuser);
\OC_Config::setValue('dbpassword', $this->dbpassword);
}
//create the database
$this->createDatabase($connection);
}
//fill the database if needed
$query = 'select count(*) from information_schema.tables' . " where table_schema='" . $this->dbname . "' AND table_name = '" . $this->tableprefix . "users';";
$result = mysql_query($query, $connection);
if ($result) {
$row = mysql_fetch_row($result);
}
if (!$result or $row[0] == 0) {
\OC_DB::createDbFromStructure($this->dbDefinitionFile);
}
mysql_close($connection);
}
public static function post_login($parameters)
{
// Do nothing if we're sharding and not on the master
if (OCP\App::isEnabled('files_sharding') && !OCA\FilesSharding\Lib::isMaster()) {
return true;
}
$uid = '';
$userid = $parameters['uid'];
$samlBackend = new OC_USER_SAML();
$ocUserDatabase = new OC_User_Database();
// Redirect regardless of whether the user has authenticated with SAML or not.
// Since this is a post_login hook, he will have authenticated in some way and have a valid session.
if ($ocUserDatabase->userExists($userid)) {
// Set user attributes for sharding
$display_name = \OCP\User::getDisplayName($userid);
$email = \OCP\Config::getUserValue($userid, 'settings', 'email');
$groups = \OC_Group::getUserGroups($userid);
$quota = \OC_Preferences::getValue($userid, 'files', 'quota');
OC_Util::teardownFS($userid);
OC_Util::setupFS($userid);
OC_Log::write('saml', 'Setting user attributes: ' . $userid . ":" . $display_name . ":" . $email . ":" . join($groups) . ":" . $quota, OC_Log::INFO);
self::setAttributes($userid, $display_name, $email, $groups, $quota);
self::user_redirect($userid);
}
if (!$samlBackend->auth->isAuthenticated()) {
return false;
}
$attributes = $samlBackend->auth->getAttributes();
//$email = "<pre>" . print_r($attributes, 1) . "</pre>";
//$headers = 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
//error_log($email, 1, '*****@*****.**', $headers);
$usernameFound = false;
foreach ($samlBackend->usernameMapping as $usernameMapping) {
if (array_key_exists($usernameMapping, $attributes) && !empty($attributes[$usernameMapping][0])) {
$usernameFound = true;
$uid = $attributes[$usernameMapping][0];
OC_Log::write('saml', 'Authenticated user ' . $uid, OC_Log::INFO);
break;
}
}
if (!$usernameFound || $uid !== $userid) {
return false;
}
$attrs = self::get_user_attributes($uid, $samlBackend);
if (!$ocUserDatabase->userExists($uid)) {
// If autocreate is not enabled - back off
if (!$samlBackend->autocreate) {
return false;
}
// Apparently it is necessary to clear the uid first, to be able to create the user in the DB
$userManager = \OC_User::getManager();
$userManager->delete($uid);
// Reject invalid user names
if (preg_match('/[^a-zA-Z0-9 _\\.@\\-]/', $uid)) {
OC_Log::write('saml', 'Invalid username "' . $uid . '", allowed chars "a-zA-Z0-9" and "_.@-" ', OC_Log::DEBUG);
return false;
}
$cookiedomain = OCP\App::isEnabled('files_sharding') ? OCA\FilesSharding\Lib::getCookieDomain() : null;
// Reject users we don't allow to autocreate an account
if (isset($uid) && trim($uid) != '' && !OC_User::userExists($uid) && !self::check_user_attributes($attributes)) {
$failCookieName = 'saml_auth_fail';
$userCookieName = 'saml_auth_fail_user';
$expire = 0;
//time()+60*60*24*30;
$expired = time() - 3600;
$path = '/';
setcookie($failCookieName, "notallowed:" . $uid, $expire, $path, $cookiedomain, false, false);
setcookie($userCookieName, $uid, $expire, $path, $cookiedomain, false, false);
$spSource = 'default-sp';
$auth = new SimpleSAML_Auth_Simple($spSource);
OC_Log::write('saml', 'Rejected user "' . $uid, OC_Log::ERROR);
if (OCP\App::isEnabled('files_sharding') && !OCA\FilesSharding\Lib::isMaster()) {
$auth->logout(!OCA\FilesSharding\Lib::getMasterURL());
} else {
$auth->logout();
}
return false;
}
// Create new user
$random_password = OC_Util::generateRandomBytes(20);
OC_Log::write('saml', 'Creating new user: '******'/' . $uid . '/files';
\OC\Files\Filesystem::init($uid, $userDir);
if ($samlBackend->updateUserData) {
self::update_user_data($uid, $samlBackend, $attrs, true);
if (OCP\App::isEnabled('files_sharding') && OCA\FilesSharding\Lib::isMaster()) {
$master_site = OCA\FilesSharding\Lib::dbGetSite(null);
$server_id = OCA\FilesSharding\Lib::dbChooseServerForUser($uid, $master_site, 0, null);
OC_Log::write('saml', 'Setting server for new user: '******'display_name'], $attrs['email'], $attrs['groups'], $attrs['quota']);
}
} else {
if ($samlBackend->updateUserData) {
self::update_user_data($uid, $samlBackend, $attrs, false);
}
}
self::user_redirect($userid);
return true;
}
public static function post_login($parameters)
{
$uid = $parameters['uid'];
$wuid = $uid;
$casBackend = new OC_USER_CAS();
$userDB = new OC_User_Database();
/*
* Récupération des données du fichier config général /config/config.php
*/
$serveur_Search = OCP\Config::getSystemValue('serveur_Search', 'error');
$port = OCP\Config::getSystemValue('port', 'error');
$racineAMU = OCP\Config::getSystemValue('racineAMU', 'error');
$racineAMUGRP = OCP\Config::getSystemValue('racineAMUGRP', 'error');
$AMU_nuage_dn = OCP\Config::getSystemValue('AMU_nuage_dn', 'error');
$AMU_nuage_pw = OCP\Config::getSystemValue('AMU_nuage_pw', 'error');
$PQuota = OCP\Config::getSystemValue('PQuota', 'unManaged');
$EQuota = OCP\Config::getSystemValue('EQuota', 'unManaged');
$LDAP = new LDAP_Infos($serveur_Search, $AMU_nuage_dn, $AMU_nuage_pw, $racineAMUGRP, $racineAMUGRP);
$restrictGrp = array("cn", "member");
/*
* Récupération tableau Groupes
* Si le tableau 'groupMapping' est vide pas de contrôle sur les groupes
*/
$AccesCloud = 0;
OCP\Util::writeLog('user_cas', "Authentification (Mapping groups=" . $casBackend->groupMapping . ")", OCP\Util::DEBUG);
if ($casBackend->groupMapping) {
$wTabGrp = str_replace(array('<br>', '<br />', "\n", "\r"), array('@', '', '@', ''), $casBackend->groupMapping);
$tabGRP = explode("@", $wTabGrp);
$i = 0;
$mesGroupes = array();
foreach ($tabGRP as $key => $value) {
$ListeMembre = $LDAP->getMembersOfGroup($value, $restrictGrp);
if (in_array($uid, $ListeMembre)) {
$AccesCloudAMU = 1;
}
}
} else {
$AccesCloud = 1;
}
/*
* Si pas d'acces, alors déconnexion
*/
if ($AccesCloud == 0) {
/*
* On vérifie si le compte utilisé est un compte local
*/
if (!$userDB->userExists($uid)) {
OCP\Util::writeLog('user_cas', "Aucun droit d'accès pour l'utilisateur " . $uid, OCP\Util::ERROR);
\OC_User::logout();
} else {
OCP\Util::writeLog('user_cas', "Authentification locale pour l'utilisateur " . $uid, OCP\Util::DEBUG);
OC::$REQUESTEDAPP = '';
OC_Util::redirectToDefaultPage();
exit(0);
}
}
/**
* Récupère les groupes liés à l'utilisateur avec la racine définie dans le formulaire 'cas_group_root'
* Si 'cas_group_root' n'est pas renseingé => pas de récupération de groupes
*/
$mesGroupes = array();
OCP\Util::writeLog('user_cas', "Authentification (Racine Groupes LDAP=" . $casBackend->groupRoot . ")", OCP\Util::DEBUG);
if ($casBackend->groupRoot) {
$i = 0;
$ListeGRP = $LDAP->getMemberOf($uid);
$a = sizeof($ListeGRP);
OCP\Util::writeLog('user_cas', "Taille=" . $a . " UID=" . $uid, OCP\Util::ERROR);
OCP\Util::writeLog('user_cas', "Racine Groupe=" . $casBackend->groupRoot, OCP\Util::ERROR);
foreach ($ListeGRP as $key => $value) {
if (strstr($value, $casBackend->groupRoot)) {
$mesGroupes[$i] = strtoupper(str_replace(':', '_', substr($value, 8)));
OCP\Util::writeLog('user_cas', "Groupe[{$i}]=" . $mesGroupes[$i], OCP\Util::ERROR);
$i++;
}
}
}
if (phpCAS::checkAuthentication()) {
//$attributes = phpCAS::getAttributes();
$cas_uid = phpCAS::getUser();
if ($cas_uid == $uid) {
/*
* Récupération des information utilisateur (LDAP)
*/
$tabLdapUser = $LDAP->getUserInfo($uid);
if ($tabLdapUser) {
$DisplayName = $tabLdapUser['displayName'];
}
if (!$userDB->userExists($uid)) {
if (preg_match('/[^a-zA-Z0-9 _\\.@\\-]/', $uid)) {
OCP\Util::writeLog('cas', 'Utilisateur invalide "' . $uid . '", caracteres autorises "a-zA-Z0-9" and "_.@-" ', OCP\Util::DEBUG);
return false;
} else {
/*
* Dans le cas d'une création
*/
$random_password = \OC_Util::generateRandomBytes(20);
$userDB->createUser($uid, $tabLdapUser['userpassword']);
$userDB->setDisplayName($uid, $DisplayName);
/*
* Mise à jour du quota si gestion dans fichier de configuration
*/
if ($EQuota != "unManaged" && $tabLdapUser['eduPersonPrimaryAffiliation'] == 'student') {
update_quota($uid, $EQuota);
}
if ($PQuota != "unManaged" && $tabLdapUser['eduPersonPrimaryAffiliation'] != 'student') {
update_quota($uid, $PQuota);
}
}
}
/*
* Mise à jour des groupes associés
*/
if (sizeof($mesGroupes) > 0) {
$cas_groups = $mesGroupes;
update_groups($uid, $cas_groups, $casBackend->protectedGroups, true);
}
/*
* Mise à jour du mail
*/
update_mail($uid, $tabLdapUser['Mail']);
/*
* Mise à jour du display name
*/
$userDB->setDisplayName($uid, $DisplayName);
return true;
}
}
return false;
}
/**
* @param $options
* @return array
*/
public static function install($options)
{
$l = self::getTrans();
$error = array();
$dbtype = $options['dbtype'];
if (empty($options['adminlogin'])) {
$error[] = $l->t('Set an admin username.');
}
if (empty($options['adminpass'])) {
$error[] = $l->t('Set an admin password.');
}
if (empty($options['directory'])) {
$options['directory'] = OC::$SERVERROOT . "/data";
}
if (!isset(self::$dbSetupClasses[$dbtype])) {
$dbtype = 'sqlite';
}
$username = htmlspecialchars_decode($options['adminlogin']);
$password = htmlspecialchars_decode($options['adminpass']);
$datadir = htmlspecialchars_decode($options['directory']);
$class = self::$dbSetupClasses[$dbtype];
/** @var \OC\Setup\AbstractDatabase $dbSetup */
$dbSetup = new $class(self::getTrans(), 'db_structure.xml');
$error = array_merge($error, $dbSetup->validate($options));
// validate the data directory
if (!is_dir($datadir) and !mkdir($datadir) or !is_writable($datadir)) {
$error[] = $l->t("Can't create or write into the data directory %s", array($datadir));
}
if (count($error) != 0) {
return $error;
}
//no errors, good
if (isset($options['trusted_domains']) && is_array($options['trusted_domains'])) {
$trustedDomains = $options['trusted_domains'];
} else {
$trustedDomains = array(\OC_Request::getDomainWithoutPort(\OC_Request::serverHost()));
}
if (OC_Util::runningOnWindows()) {
$datadir = rtrim(realpath($datadir), '\\');
}
//use sqlite3 when available, otherise sqlite2 will be used.
if ($dbtype == 'sqlite' and class_exists('SQLite3')) {
$dbtype = 'sqlite3';
}
//generate a random salt that is used to salt the local user passwords
$salt = OC_Util::generateRandomBytes(30);
OC_Config::setValue('passwordsalt', $salt);
OC_Config::setValue('secret', OC_Util::generateRandomBytes(96));
//write the config file
OC_Config::setValue('trusted_domains', $trustedDomains);
OC_Config::setValue('datadirectory', $datadir);
OC_Config::setValue('overwrite.cli.url', \OC_Request::serverProtocol() . '://' . \OC_Request::serverHost() . OC::$WEBROOT);
OC_Config::setValue('dbtype', $dbtype);
OC_Config::setValue('version', implode('.', OC_Util::getVersion()));
try {
$dbSetup->initialize($options);
$dbSetup->setupDatabase($username);
} catch (DatabaseSetupException $e) {
$error[] = array('error' => $e->getMessage(), 'hint' => $e->getHint());
return $error;
} catch (Exception $e) {
$error[] = array('error' => 'Error while trying to create admin user: '******'hint' => '');
return $error;
}
//create the user and group
try {
OC_User::createUser($username, $password);
} catch (Exception $exception) {
$error[] = $exception->getMessage();
}
if (count($error) == 0) {
$appConfig = \OC::$server->getAppConfig();
$appConfig->setValue('core', 'installedat', microtime(true));
$appConfig->setValue('core', 'lastupdatedat', microtime(true));
OC_Group::createGroup('admin');
OC_Group::addToGroup($username, 'admin');
OC_User::login($username, $password);
//guess what this does
OC_Installer::installShippedApps();
// create empty file in data dir, so we can later find
// out that this is indeed an ownCloud data directory
file_put_contents(OC_Config::getValue('datadirectory', OC::$SERVERROOT . '/data') . '/.ocdata', '');
// Update htaccess files for apache hosts
if (isset($_SERVER['SERVER_SOFTWARE']) && strstr($_SERVER['SERVER_SOFTWARE'], 'Apache')) {
self::updateHtaccess();
self::protectDataDirectory();
}
//and we are done
OC_Config::setValue('installed', true);
}
return $error;
}
/**
* Tries to login a user using the formbased authentication
* @return bool|void
*/
protected static function tryFormLogin() {
if (!isset($_POST["user"]) || !isset($_POST['password'])) {
return false;
}
if(!OC_Util::isCallRegistered()) {
return false;
}
OC_App::loadApps();
//setup extra user backends
OC_User::setupBackends();
if (OC_User::login($_POST["user"], $_POST["password"])) {
// setting up the time zone
if (isset($_POST['timezone-offset'])) {
self::$session->set('timezone', $_POST['timezone-offset']);
}
$userid = OC_User::getUser();
self::cleanupLoginTokens($userid);
if (!empty($_POST["remember_login"])) {
if (defined("DEBUG") && DEBUG) {
OC_Log::write('core', 'Setting remember login to cookie', OC_Log::DEBUG);
}
$token = OC_Util::generateRandomBytes(32);
OC_Preferences::setValue($userid, 'login_token', $token, time());
OC_User::setMagicInCookie($userid, $token);
} else {
OC_User::unsetMagicInCookie();
}
OC_Util::redirectToDefaultPage();
exit();
}
return true;
}
protected function getUniqueSessionId()
{
$testSession = new Db_Session();
do {
// this prevents branching for stable5 for now:
// OC_Util::generate_random_bytes was camelCased
if (method_exists('\\OC_Util', 'generate_random_bytes')) {
$id = \OC_Util::generate_random_bytes(30);
} else {
$id = \OC_Util::generateRandomBytes(30);
}
} while ($testSession->load($id)->hasData());
return $id;
}
public function setupDatabase($username)
{
$e_host = addslashes($this->dbhost);
$e_dbname = addslashes($this->dbname);
//check if the database user has admin right
if ($e_host == '') {
$easy_connect_string = $e_dbname;
// use dbname as easy connect name
} else {
$easy_connect_string = '//' . $e_host . '/' . $e_dbname;
}
\OC_Log::write('setup oracle', 'connect string: ' . $easy_connect_string, \OC_Log::DEBUG);
$connection = @oci_connect($this->dbuser, $this->dbpassword, $easy_connect_string);
if (!$connection) {
$errorMessage = $this->getLastError();
if ($errorMessage) {
throw new \DatabaseSetupException($this->trans->t('Oracle connection could not be established'), $errorMessage . ' Check environment: ORACLE_HOME=' . getenv('ORACLE_HOME') . ' ORACLE_SID=' . getenv('ORACLE_SID') . ' LD_LIBRARY_PATH=' . getenv('LD_LIBRARY_PATH') . ' NLS_LANG=' . getenv('NLS_LANG') . ' tnsnames.ora is ' . (is_readable(getenv('ORACLE_HOME') . '/network/admin/tnsnames.ora') ? '' : 'not ') . 'readable');
}
throw new \DatabaseSetupException($this->trans->t('Oracle username and/or password not valid'), 'Check environment: ORACLE_HOME=' . getenv('ORACLE_HOME') . ' ORACLE_SID=' . getenv('ORACLE_SID') . ' LD_LIBRARY_PATH=' . getenv('LD_LIBRARY_PATH') . ' NLS_LANG=' . getenv('NLS_LANG') . ' tnsnames.ora is ' . (is_readable(getenv('ORACLE_HOME') . '/network/admin/tnsnames.ora') ? '' : 'not ') . 'readable');
}
//check for roles creation rights in oracle
$query = 'SELECT count(*) FROM user_role_privs, role_sys_privs' . " WHERE user_role_privs.granted_role = role_sys_privs.role AND privilege = 'CREATE ROLE'";
$stmt = oci_parse($connection, $query);
if (!$stmt) {
$entry = $this->trans->t('DB Error: "%s"', array($this->getLastError($connection))) . '<br />';
$entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />';
\OC_Log::write('setup.oci', $entry, \OC_Log::WARN);
}
$result = oci_execute($stmt);
if ($result) {
$row = oci_fetch_row($stmt);
}
if ($result and $row[0] > 0) {
//use the admin login data for the new database user
//add prefix to the oracle user name to prevent collisions
$this->dbuser = '******' . $username;
//create a new password so we don't need to store the admin config in the config file
$this->dbpassword = \OC_Util::generateRandomBytes(30);
//oracle passwords are treated as identifiers:
// must start with alphanumeric char
// needs to be shortened to 30 bytes, as the two " needed to escape the identifier count towards the identifier length.
$this->dbpassword = substr($this->dbpassword, 0, 30);
$this->createDBUser($connection);
\OC_Config::setValue('dbuser', $this->dbuser);
\OC_Config::setValue('dbname', $this->dbuser);
\OC_Config::setValue('dbpassword', $this->dbpassword);
//create the database not necessary, oracle implies user = schema
//$this->createDatabase($this->dbname, $this->dbuser, $connection);
} else {
\OC_Config::setValue('dbuser', $this->dbuser);
\OC_Config::setValue('dbname', $this->dbname);
\OC_Config::setValue('dbpassword', $this->dbpassword);
//create the database not necessary, oracle implies user = schema
//$this->createDatabase($this->dbname, $this->dbuser, $connection);
}
//FIXME check tablespace exists: select * from user_tablespaces
// the connection to dbname=oracle is not needed anymore
oci_close($connection);
// connect to the oracle database (schema=$this->dbuser) an check if the schema needs to be filled
$this->dbuser = \OC_Config::getValue('dbuser');
//$this->dbname = \OC_Config::getValue('dbname');
$this->dbpassword = \OC_Config::getValue('dbpassword');
$e_host = addslashes($this->dbhost);
$e_dbname = addslashes($this->dbname);
if ($e_host == '') {
$easy_connect_string = $e_dbname;
// use dbname as easy connect name
} else {
$easy_connect_string = '//' . $e_host . '/' . $e_dbname;
}
$connection = @oci_connect($this->dbuser, $this->dbpassword, $easy_connect_string);
if (!$connection) {
throw new \DatabaseSetupException($this->trans->t('Oracle username and/or password not valid'), $this->trans->t('You need to enter either an existing account or the administrator.'));
}
$query = "SELECT count(*) FROM user_tables WHERE table_name = :un";
$stmt = oci_parse($connection, $query);
$un = $this->tableprefix . 'users';
oci_bind_by_name($stmt, ':un', $un);
if (!$stmt) {
$entry = $this->trans->t('DB Error: "%s"', array($this->getLastError($connection))) . '<br />';
$entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />';
\OC_Log::write('setup.oci', $entry, \OC_Log::WARN);
}
$result = oci_execute($stmt);
if ($result) {
$row = oci_fetch_row($stmt);
}
if (!$result or $row[0] == 0) {
\OC_DB::createDbFromStructure($this->dbDefinitionFile);
}
}
protected function getUniqueSessionId()
{
$testSession = new Db_Session();
do {
$id = \OC_Util::generateRandomBytes(30);
} while ($testSession->load($id)->hasData());
return $id;
}
/**
* perform login using the magic cookie (remember login)
*
* @param string $uid the username
* @param string $currentToken
* @return bool
*/
public function loginWithCookie($uid, $currentToken)
{
$this->manager->emit('\\OC\\User', 'preRememberedLogin', array($uid));
$user = $this->manager->get($uid);
if (is_null($user)) {
// user does not exist
return false;
}
// get stored tokens
$tokens = \OC_Preferences::getKeys($uid, 'login_token');
// test cookies token against stored tokens
if (!in_array($currentToken, $tokens, true)) {
return false;
}
// replace successfully used token with a new one
\OC_Preferences::deleteKey($uid, 'login_token', $currentToken);
$newToken = \OC_Util::generateRandomBytes(32);
\OC_Preferences::setValue($uid, 'login_token', $newToken, time());
$this->setMagicInCookie($user->getUID(), $newToken);
//login
$this->setUser($user);
$this->manager->emit('\\OC\\User', 'postRememberedLogin', array($user));
return true;
}
function createContact($addressBookId, $contact, array $options = array())
{
$id = \OC_Util::generateRandomBytes('4');
$this->contacts[$addressBookId][$id] = array('id' => $id, 'displayname' => $contact->FN, 'carddata' => $contact->serialize());
return $id;
}
public static function install($options)
{
$l = self::getTrans();
$error = array();
$dbtype = $options['dbtype'];
if (empty($options['adminlogin'])) {
$error[] = $l->t('Set an admin username.');
}
if (empty($options['adminpass'])) {
$error[] = $l->t('Set an admin password.');
}
if (empty($options['directory'])) {
$options['directory'] = OC::$SERVERROOT . "/data";
}
if (!isset(self::$dbSetupClasses[$dbtype])) {
$dbtype = 'sqlite';
}
$class = self::$dbSetupClasses[$dbtype];
$dbSetup = new $class(self::getTrans(), 'db_structure.xml');
$error = array_merge($error, $dbSetup->validate($options));
if (count($error) != 0) {
return $error;
}
//no errors, good
$username = htmlspecialchars_decode($options['adminlogin']);
$password = htmlspecialchars_decode($options['adminpass']);
$datadir = htmlspecialchars_decode($options['directory']);
if (OC_Util::runningOnWindows()) {
$datadir = rtrim(realpath($datadir), '\\');
}
//use sqlite3 when available, otherise sqlite2 will be used.
if ($dbtype == 'sqlite' and class_exists('SQLite3')) {
$dbtype = 'sqlite3';
}
//generate a random salt that is used to salt the local user passwords
$salt = OC_Util::generateRandomBytes(30);
OC_Config::setValue('passwordsalt', $salt);
//write the config file
OC_Config::setValue('datadirectory', $datadir);
OC_Config::setValue('dbtype', $dbtype);
OC_Config::setValue('version', implode('.', OC_Util::getVersion()));
try {
$dbSetup->initialize($options);
$dbSetup->setupDatabase($username);
} catch (DatabaseSetupException $e) {
$error[] = array('error' => $e->getMessage(), 'hint' => $e->getHint());
return $error;
} catch (Exception $e) {
$error[] = array('error' => 'Error while trying to create admin user: '******'hint' => '');
return $error;
}
//create the user and group
try {
OC_User::createUser($username, $password);
} catch (Exception $exception) {
$error[] = $exception->getMessage();
}
if (count($error) == 0) {
OC_Appconfig::setValue('core', 'installedat', microtime(true));
OC_Appconfig::setValue('core', 'lastupdatedat', microtime(true));
OC_AppConfig::setValue('core', 'remote_core.css', '/core/minimizer.php');
OC_AppConfig::setValue('core', 'remote_core.js', '/core/minimizer.php');
OC_Group::createGroup('admin');
OC_Group::addToGroup($username, 'admin');
OC_User::login($username, $password);
//guess what this does
OC_Installer::installShippedApps();
//create htaccess files for apache hosts
if (isset($_SERVER['SERVER_SOFTWARE']) && strstr($_SERVER['SERVER_SOFTWARE'], 'Apache')) {
self::createHtaccess();
}
//and we are done
OC_Config::setValue('installed', true);
}
return $error;
}
function testGenerateRandomBytes()
{
$result = strlen(OC_Util::generateRandomBytes(59));
$this->assertEquals(59, $result);
}
public function setupDatabase($username)
{
$e_host = addslashes($this->dbHost);
$e_user = addslashes($this->dbUser);
$e_password = addslashes($this->dbPassword);
// Fix database with port connection
if (strpos($e_host, ':')) {
list($e_host, $port) = explode(':', $e_host, 2);
} else {
$port = false;
}
//check if the database user has admin rights
$connection_string = "host='{$e_host}' dbname=postgres user='******' port='{$port}' password='******'";
$connection = @pg_connect($connection_string);
if (!$connection) {
// Try if we can connect to the DB with the specified name
$e_dbname = addslashes($this->dbName);
$connection_string = "host='{$e_host}' dbname='{$e_dbname}' user='******' port='{$port}' password='******'";
$connection = @pg_connect($connection_string);
if (!$connection) {
throw new \OC\DatabaseSetupException($this->trans->t('PostgreSQL username and/or password not valid'), $this->trans->t('You need to enter either an existing account or the administrator.'));
}
}
$e_user = pg_escape_string($this->dbUser);
//check for roles creation rights in postgresql
$query = "SELECT 1 FROM pg_roles WHERE rolcreaterole=TRUE AND rolname='{$e_user}'";
$result = pg_query($connection, $query);
if ($result and pg_num_rows($result) > 0) {
//use the admin login data for the new database user
//add prefix to the postgresql user name to prevent collisions
$this->dbUser = '******' . $username;
//create a new password so we don't need to store the admin config in the config file
$this->dbPassword = \OC_Util::generateRandomBytes(30);
$this->createDBUser($connection);
}
$systemConfig = \OC::$server->getSystemConfig();
$systemConfig->setValues(['dbuser' => $this->dbUser, 'dbpassword' => $this->dbPassword]);
//create the database
$this->createDatabase($connection);
// the connection to dbname=postgres is not needed anymore
pg_close($connection);
// connect to the ownCloud database (dbname=$this->dbname) and check if it needs to be filled
$this->dbUser = $systemConfig->getValue('dbuser');
$this->dbPassword = $systemConfig->getValue('dbpassword');
$e_host = addslashes($this->dbHost);
$e_dbname = addslashes($this->dbName);
$e_user = addslashes($this->dbUser);
$e_password = addslashes($this->dbPassword);
// Fix database with port connection
if (strpos($e_host, ':')) {
list($e_host, $port) = explode(':', $e_host, 2);
} else {
$port = false;
}
$connection_string = "host='{$e_host}' dbname='{$e_dbname}' user='******' port='{$port}' password='******'";
$connection = @pg_connect($connection_string);
if (!$connection) {
throw new \OC\DatabaseSetupException($this->trans->t('PostgreSQL username and/or password not valid'), $this->trans->t('You need to enter either an existing account or the administrator.'));
}
$query = "select count(*) FROM pg_class WHERE relname='" . $this->tablePrefix . "users' limit 1";
$result = pg_query($connection, $query);
if ($result) {
$row = pg_fetch_row($result);
}
if (!$result or $row[0] == 0) {
\OC_DB::createDbFromStructure($this->dbDefinitionFile);
}
}
/**
* Share an item with a user, group, or via private link
* @param string $itemType
* @param string $itemSource
* @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string $shareWith User or group the item is being shared with
* @param int $permissions CRUDS
* @param string $itemSourceName
* @param \DateTime $expirationDate
* @return boolean|string Returns true on success or false on failure, Returns token on success for links
* @throws \Exception
*/
public static function shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions, $itemSourceName = null, \DateTime $expirationDate = null)
{
$uidOwner = \OC_User::getUser();
$shareWithinGroupOnly = self::shareWithGroupMembersOnly();
$l = \OC_L10N::get('lib');
if (is_null($itemSourceName)) {
$itemSourceName = $itemSource;
}
// check if file can be shared
if ($itemType === 'file' or $itemType === 'folder') {
$path = \OC\Files\Filesystem::getPath($itemSource);
// verify that the file exists before we try to share it
if (!$path) {
$message = 'Sharing %s failed, because the file does not exist';
$message_t = $l->t('Sharing %s failed, because the file does not exist', array($itemSourceName));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName), \OC_Log::ERROR);
throw new \Exception($message_t);
}
// verify that the user has share permission
if (!\OC\Files\Filesystem::isSharable($path)) {
$message = 'You are not allowed to share %s';
$message_t = $l->t('You are not allowed to share %s', array($itemSourceName));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
//verify that we don't share a folder which already contains a share mount point
if ($itemType === 'folder') {
$path = '/' . $uidOwner . '/files' . \OC\Files\Filesystem::getPath($itemSource) . '/';
$mountManager = \OC\Files\Filesystem::getMountManager();
$mounts = $mountManager->findIn($path);
foreach ($mounts as $mount) {
if ($mount->getStorage()->instanceOfStorage('\\OCA\\Files_Sharing\\ISharedStorage')) {
$message = 'Sharing "' . $itemSourceName . '" failed, because it contains files shared with you!';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
}
// single file shares should never have delete permissions
if ($itemType === 'file') {
$permissions = (int) $permissions & ~\OCP\PERMISSION_DELETE;
}
// Verify share type and sharing conditions are met
if ($shareType === self::SHARE_TYPE_USER) {
if ($shareWith == $uidOwner) {
$message = 'Sharing %s failed, because the user %s is the item owner';
$message_t = $l->t('Sharing %s failed, because the user %s is the item owner', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
if (!\OC_User::userExists($shareWith)) {
$message = 'Sharing %s failed, because the user %s does not exist';
$message_t = $l->t('Sharing %s failed, because the user %s does not exist', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
if ($shareWithinGroupOnly) {
$inGroup = array_intersect(\OC_Group::getUserGroups($uidOwner), \OC_Group::getUserGroups($shareWith));
if (empty($inGroup)) {
$message = 'Sharing %s failed, because the user ' . '%s is not a member of any groups that %s is a member of';
$message_t = $l->t('Sharing %s failed, because the user %s is not a member of any groups that %s is a member of', array($itemSourceName, $shareWith, $uidOwner));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith, $uidOwner), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
// Check if the item source is already shared with the user, either from the same owner or a different user
if ($checkExists = self::getItems($itemType, $itemSource, self::$shareTypeUserAndGroups, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a user share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing %s failed, because this item is already shared with %s';
$message_t = $l->t('Sharing %s failed, because this item is already shared with %s', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
} else {
if ($shareType === self::SHARE_TYPE_GROUP) {
if (!\OC_Group::groupExists($shareWith)) {
$message = 'Sharing %s failed, because the group %s does not exist';
$message_t = $l->t('Sharing %s failed, because the group %s does not exist', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
if ($shareWithinGroupOnly && !\OC_Group::inGroup($uidOwner, $shareWith)) {
$message = 'Sharing %s failed, because ' . '%s is not a member of the group %s';
$message_t = $l->t('Sharing %s failed, because %s is not a member of the group %s', array($itemSourceName, $uidOwner, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $uidOwner, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
// Check if the item source is already shared with the group, either from the same owner or a different user
// The check for each user in the group is done inside the put() function
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_GROUP, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a group share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing %s failed, because this item is already shared with %s';
$message_t = $l->t('Sharing %s failed, because this item is already shared with %s', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
// Convert share with into an array with the keys group and users
$group = $shareWith;
$shareWith = array();
$shareWith['group'] = $group;
$shareWith['users'] = array_diff(\OC_Group::usersInGroup($group), array($uidOwner));
} else {
if ($shareType === self::SHARE_TYPE_LINK) {
$updateExistingShare = false;
if (\OC_Appconfig::getValue('core', 'shareapi_allow_links', 'yes') == 'yes') {
// when updating a link share
// FIXME Don't delete link if we update it
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_LINK, null, $uidOwner, self::FORMAT_NONE, null, 1)) {
// remember old token
$oldToken = $checkExists['token'];
$oldPermissions = $checkExists['permissions'];
//delete the old share
Helper::delete($checkExists['id']);
$updateExistingShare = true;
}
// Generate hash of password - same method as user passwords
if (!empty($shareWith)) {
$forcePortable = CRYPT_BLOWFISH != 1;
$hasher = new \PasswordHash(8, $forcePortable);
$shareWith = $hasher->HashPassword($shareWith . \OC_Config::getValue('passwordsalt', ''));
} else {
// reuse the already set password, but only if we change permissions
// otherwise the user disabled the password protection
if ($checkExists && (int) $permissions !== (int) $oldPermissions) {
$shareWith = $checkExists['share_with'];
}
}
if (\OCP\Util::isPublicLinkPasswordRequired() && empty($shareWith)) {
$message = 'You need to provide a password to create a public link, only protected links are allowed';
$message_t = $l->t('You need to provide a password to create a public link, only protected links are allowed');
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message_t);
}
if ($updateExistingShare === false && self::isDefaultExpireDateEnabled() && empty($expirationDate)) {
$expirationDate = Helper::calcExpireDate();
}
// Generate token
if (isset($oldToken)) {
$token = $oldToken;
} else {
$token = \OC_Util::generateRandomBytes(self::TOKEN_LENGTH);
}
$result = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, $token, $itemSourceName, $expirationDate);
if ($result) {
return $token;
} else {
return false;
}
}
$message = 'Sharing %s failed, because sharing with links is not allowed';
$message_t = $l->t('Sharing %s failed, because sharing with links is not allowed', array($itemSourceName));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName), \OC_Log::ERROR);
throw new \Exception($message_t);
return false;
} else {
// Future share types need to include their own conditions
$message = 'Share type %s is not valid for %s';
$message_t = $l->t('Share type %s is not valid for %s', array($shareType, $itemSource));
\OC_Log::write('OCP\\Share', sprintf($message, $shareType, $itemSource), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
}
// Put the item into the database
return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, null, $itemSourceName, $expirationDate);
}
/**
* @brief Autogenerate a password
* @return string
*
* generates a password
*/
public static function generatePassword()
{
return OC_Util::generateRandomBytes(30);
}
/**
* Generates a cryptographic secure pseudo-random string
* @param int $length of the random string
* @return string
* @deprecated 8.0.0 Use \OC::$server->getSecureRandom()->getMediumStrengthGenerator()->generate($length); instead
* @since 7.0.0
*/
public static function generateRandomBytes($length = 30)
{
return \OC_Util::generateRandomBytes($length);
}
/**
* Share an item with a user, group, or via private link
* @param string $itemType
* @param string $itemSource
* @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string $shareWith User or group the item is being shared with
* @param int $permissions CRUDS
* @param null $itemSourceName
* @throws \Exception
* @internal param \OCP\Item $string type
* @internal param \OCP\Item $string source
* @internal param \OCP\SHARE_TYPE_USER $int , SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @internal param \OCP\User $string or group the item is being shared with
* @internal param \OCP\CRUDS $int permissions
* @return bool|string Returns true on success or false on failure, Returns token on success for links
*/
public static function shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions, $itemSourceName = null)
{
$uidOwner = \OC_User::getUser();
$sharingPolicy = \OC_Appconfig::getValue('core', 'shareapi_share_policy', 'global');
if (is_null($itemSourceName)) {
$itemSourceName = $itemSource;
}
// verify that the file exists before we try to share it
if ($itemType === 'file' or $itemType === 'folder') {
$path = \OC\Files\Filesystem::getPath($itemSource);
if (!$path) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the file does not exist';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
// Verify share type and sharing conditions are met
if ($shareType === self::SHARE_TYPE_USER) {
if ($shareWith == $uidOwner) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the user ' . $shareWith . ' is the item owner';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
if (!\OC_User::userExists($shareWith)) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the user ' . $shareWith . ' does not exist';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
if ($sharingPolicy == 'groups_only') {
$inGroup = array_intersect(\OC_Group::getUserGroups($uidOwner), \OC_Group::getUserGroups($shareWith));
if (empty($inGroup)) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the user ' . $shareWith . ' is not a member of any groups that ' . $uidOwner . ' is a member of';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
// Check if the item source is already shared with the user, either from the same owner or a different user
if ($checkExists = self::getItems($itemType, $itemSource, self::$shareTypeUserAndGroups, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a user share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing ' . $itemSourceName . ' failed, because this item is already shared with ' . $shareWith;
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
} else {
if ($shareType === self::SHARE_TYPE_GROUP) {
if (!\OC_Group::groupExists($shareWith)) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the group ' . $shareWith . ' does not exist';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
if ($sharingPolicy == 'groups_only' && !\OC_Group::inGroup($uidOwner, $shareWith)) {
$message = 'Sharing ' . $itemSourceName . ' failed, because ' . $uidOwner . ' is not a member of the group ' . $shareWith;
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
// Check if the item source is already shared with the group, either from the same owner or a different user
// The check for each user in the group is done inside the put() function
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_GROUP, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a group share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing ' . $itemSourceName . ' failed, because this item is already shared with ' . $shareWith;
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
// Convert share with into an array with the keys group and users
$group = $shareWith;
$shareWith = array();
$shareWith['group'] = $group;
$shareWith['users'] = array_diff(\OC_Group::usersInGroup($group), array($uidOwner));
} else {
if ($shareType === self::SHARE_TYPE_LINK) {
if (\OC_Appconfig::getValue('core', 'shareapi_allow_links', 'yes') == 'yes') {
// when updating a link share
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_LINK, null, $uidOwner, self::FORMAT_NONE, null, 1)) {
// remember old token
$oldToken = $checkExists['token'];
$oldPermissions = $checkExists['permissions'];
//delete the old share
self::delete($checkExists['id']);
}
// Generate hash of password - same method as user passwords
if (isset($shareWith)) {
$forcePortable = CRYPT_BLOWFISH != 1;
$hasher = new \PasswordHash(8, $forcePortable);
$shareWith = $hasher->HashPassword($shareWith . \OC_Config::getValue('passwordsalt', ''));
} else {
// reuse the already set password, but only if we change permissions
// otherwise the user disabled the password protection
if ($checkExists && (int) $permissions !== (int) $oldPermissions) {
$shareWith = $checkExists['share_with'];
}
}
// Generate token
if (isset($oldToken)) {
$token = $oldToken;
} else {
$token = \OC_Util::generateRandomBytes(self::TOKEN_LENGTH);
}
$result = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, $token, $itemSourceName);
if ($result) {
return $token;
} else {
return false;
}
}
$message = 'Sharing ' . $itemSourceName . ' failed, because sharing with links is not allowed';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
return false;
// } else if ($shareType === self::SHARE_TYPE_CONTACT) {
// if (!\OC_App::isEnabled('contacts')) {
// $message = 'Sharing '.$itemSource.' failed, because the contacts app is not enabled';
// \OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
// return false;
// }
// $vcard = \OC_Contacts_App::getContactVCard($shareWith);
// if (!isset($vcard)) {
// $message = 'Sharing '.$itemSource.' failed, because the contact does not exist';
// \OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
// throw new \Exception($message);
// }
// $details = \OC_Contacts_VCard::structureContact($vcard);
// // TODO Add ownCloud user to contacts vcard
// if (!isset($details['EMAIL'])) {
// $message = 'Sharing '.$itemSource.' failed, because no email address is associated with the contact';
// \OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
// throw new \Exception($message);
// }
// return self::shareItem($itemType, $itemSource, self::SHARE_TYPE_EMAIL, $details['EMAIL'], $permissions);
} else {
// Future share types need to include their own conditions
$message = 'Share type ' . $shareType . ' is not valid for ' . $itemSource;
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
}
// If the item is a folder, scan through the folder looking for equivalent item types
// if ($itemType == 'folder') {
// $parentFolder = self::put('folder', $itemSource, $shareType, $shareWith, $uidOwner, $permissions, true);
// if ($parentFolder && $files = \OC\Files\Filesystem::getDirectoryContent($itemSource)) {
// for ($i = 0; $i < count($files); $i++) {
// $name = substr($files[$i]['name'], strpos($files[$i]['name'], $itemSource) - strlen($itemSource));
// if ($files[$i]['mimetype'] == 'httpd/unix-directory'
// && $children = \OC\Files\Filesystem::getDirectoryContent($name, '/')
// ) {
// // Continue scanning into child folders
// array_push($files, $children);
// } else {
// // Check file extension for an equivalent item type to convert to
// $extension = strtolower(substr($itemSource, strrpos($itemSource, '.') + 1));
// foreach (self::$backends as $type => $backend) {
// if (isset($backend->dependsOn) && $backend->dependsOn == 'file' && isset($backend->supportedFileExtensions) && in_array($extension, $backend->supportedFileExtensions)) {
// $itemType = $type;
// break;
// }
// }
// // Pass on to put() to check if this item should be converted, the item won't be inserted into the database unless it can be converted
// self::put($itemType, $name, $shareType, $shareWith, $uidOwner, $permissions, $parentFolder);
// }
// }
// return true;
// }
// return false;
// } else {
// Put the item into the database
return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, null, $itemSourceName);
// }
}
private function createUser($uid)
{
if (preg_match('/[^a-zA-Z0-9 _\\.@\\-]/', $uid)) {
OCP\Util::writeLog('saml', 'Invalid username "' . $uid . '", allowed chars "a-zA-Z0-9" and "_.@-" ', OCP\Util::DEBUG);
return false;
} else {
$random_password = \OC_Util::generateRandomBytes(64);
OCP\Util::writeLog('saml', 'Creating new user: ' . $uid, OCP\Util::DEBUG);
OC_User::createUser($uid, $random_password);
return $uid;
}
}
protected function sendEmail($user, $proceed)
{
if ($this->isDataEncrypted && !$proceed) {
throw new EncryptedDataException();
}
if (!$this->userManager->userExists($user)) {
throw new \Exception($this->l10n->t('Couldn\'t send reset email. Please make sure ' . 'your username is correct.'));
}
$token = hash('sha256', \OC_Util::generateRandomBytes(30));
// Hash the token again to prevent timing attacks
$this->config->setUserValue($user, 'owncloud', 'lostpassword', hash('sha256', $token));
$email = $this->config->getUserValue($user, 'settings', 'email');
if (empty($email)) {
throw new \Exception($this->l10n->t('Couldn\'t send reset email because there is no ' . 'email address for this username. Please ' . 'contact your administrator.'));
}
$link = $this->getLink('core.lost.resetform', $user, $token);
$tmpl = new \OC_Template('core/lostpassword', 'email');
$tmpl->assign('link', $link, false);
$msg = $tmpl->fetchPage();
try {
// FIXME: should be added to the container and injected in here
\OC_Mail::send($email, $user, $this->l10n->t('%s password reset', array($this->defaults->getName())), $msg, $this->from, $this->defaults->getName());
} catch (\Exception $e) {
throw new \Exception($this->l10n->t('Couldn\'t send reset email. Please contact your administrator.'));
}
}