nextcloud/apps/files_external/lib/config.php

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<?php
/**
* ownCloud
*
* @author Michael Gapczynski
* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Class to configure the config/mount.php and data/$user/mount.php files
*/
class OC_Mount_Config {
const MOUNT_TYPE_GLOBAL = 'global';
const MOUNT_TYPE_GROUP = 'group';
const MOUNT_TYPE_USER = 'user';
/**
* Get details on each of the external storage backends, used for the mount config UI
* If a custom UI is needed, add the key 'custom' and a javascript file with that name will be loaded
* If the configuration parameter should be secret, add a '*' to the beginning of the value
* If the configuration parameter is a boolean, add a '!' to the beginning of the value
* If the configuration parameter is optional, add a '&' to the beginning of the value
* If the configuration parameter is hidden, add a '#' to the begining of the value
* @return array
*/
public static function getBackends() {
return array(
'OC_Filestorage_Local' => array('backend' => 'Local', 'configuration' => array('datadir' => 'Location')),
'OC_Filestorage_AmazonS3' => array('backend' => 'Amazon S3', 'configuration' => array('key' => 'Key', 'secret' => '*Secret', 'bucket' => 'Bucket')),
'OC_Filestorage_Dropbox' => array('backend' => 'Dropbox', 'configuration' => array('configured' => '#configured','app_key' => 'App key', 'app_secret' => 'App secret', 'token' => '#token', 'token_secret' => '#token_secret'), 'custom' => 'dropbox'),
'OC_Filestorage_FTP' => array('backend' => 'FTP', 'configuration' => array('host' => 'URL', 'user' => 'Username', 'password' => '*Password', 'root' => '&Root', 'secure' => '!Secure ftps://')),
'OC_Filestorage_Google' => array('backend' => 'Google Drive', 'configuration' => array('configured' => '#configured', 'token' => '#token', 'token_secret' => '#token secret'), 'custom' => 'google'),
'OC_Filestorage_SWIFT' => array('backend' => 'OpenStack Swift', 'configuration' => array('host' => 'URL', 'user' => 'Username', 'token' => '*Token', 'root' => '&Root', 'secure' => '!Secure ftps://')),
'OC_Filestorage_SMB' => array('backend' => 'SMB', 'configuration' => array('host' => 'URL', 'user' => 'Username', 'password' => '*Password', 'share' => 'Share', 'root' => '&Root')),
'OC_Filestorage_DAV' => array('backend' => 'WebDAV', 'configuration' => array('host' => 'URL', 'user' => 'Username', 'password' => '*Password', 'root' => '&Root', 'secure' => '!Secure https://'))
);
}
/**
* Get the system mount points
* The returned array is not in the same format as getUserMountPoints()
* @return array
*/
public static function getSystemMountPoints() {
$mountPoints = self::readData(false);
$backends = self::getBackends();
$system = array();
if (isset($mountPoints[self::MOUNT_TYPE_GROUP])) {
foreach ($mountPoints[self::MOUNT_TYPE_GROUP] as $group => $mounts) {
foreach ($mounts as $mountPoint => $mount) {
// Remove '/$user/files/' from mount point
$mountPoint = substr($mountPoint, 13);
// Merge the mount point into the current mount points
if (isset($system[$mountPoint]) && $system[$mountPoint]['configuration'] == $mount['options']) {
$system[$mountPoint]['applicable']['groups'] = array_merge($system[$mountPoint]['applicable']['groups'], array($group));
} else {
$system[$mountPoint] = array('class' => $mount['class'], 'backend' => $backends[$mount['class']]['backend'], 'configuration' => $mount['options'], 'applicable' => array('groups' => array($group), 'users' => array()));
}
}
}
}
if (isset($mountPoints[self::MOUNT_TYPE_USER])) {
foreach ($mountPoints[self::MOUNT_TYPE_USER] as $user => $mounts) {
foreach ($mounts as $mountPoint => $mount) {
// Remove '/$user/files/' from mount point
$mountPoint = substr($mountPoint, 13);
// Merge the mount point into the current mount points
if (isset($system[$mountPoint]) && $system[$mountPoint]['configuration'] == $mount['options']) {
$system[$mountPoint]['applicable']['users'] = array_merge($system[$mountPoint]['applicable']['users'], array($user));
} else {
$system[$mountPoint] = array('class' => $mount['class'], 'backend' => $backends[$mount['class']]['backend'], 'configuration' => $mount['options'], 'applicable' => array('groups' => array(), 'users' => array($user)));
}
}
}
}
return $system;
}
/**
* Get the personal mount points of the current user
* The returned array is not in the same format as getUserMountPoints()
* @return array
*/
public static function getPersonalMountPoints() {
$mountPoints = self::readData(true);
$backends = self::getBackends();
$uid = OCP\User::getUser();
$personal = array();
if (isset($mountPoints[self::MOUNT_TYPE_USER][$uid])) {
foreach ($mountPoints[self::MOUNT_TYPE_USER][$uid] as $mountPoint => $mount) {
// Remove '/uid/files/' from mount point
$personal[substr($mountPoint, strlen($uid) + 8)] = array('class' => $mount['class'], 'backend' => $backends[$mount['class']]['backend'], 'configuration' => $mount['options']);
}
}
return $personal;
}
/**
* Add a mount point to the filesystem
* @param string Mount point
* @param string Backend class
* @param array Backend parameters for the class
* @param string MOUNT_TYPE_GROUP | MOUNT_TYPE_USER
* @param string User or group to apply mount to
* @param bool Personal or system mount point i.e. is this being called from the personal or admin page
* @return bool
*/
public static function addMountPoint($mountPoint, $class, $classOptions, $mountType, $applicable, $isPersonal = false) {
if ($isPersonal) {
// Verify that the mount point applies for the current user
// Prevent non-admin users from mounting local storage
if ($applicable != OCP\User::getUser() || $class == 'OC_Filestorage_Local') {
return false;
}
$mountPoint = '/'.$applicable.'/files/'.ltrim($mountPoint, '/');
} else {
$mountPoint = '/$user/files/'.ltrim($mountPoint, '/');
}
$mount = array($applicable => array($mountPoint => array('class' => $class, 'options' => $classOptions)));
$mountPoints = self::readData($isPersonal);
// Merge the new mount point into the current mount points
if (isset($mountPoints[$mountType])) {
if (isset($mountPoints[$mountType][$applicable])) {
$mountPoints[$mountType][$applicable] = array_merge($mountPoints[$mountType][$applicable], $mount[$applicable]);
} else {
$mountPoints[$mountType] = array_merge($mountPoints[$mountType], $mount);
}
} else {
$mountPoints[$mountType] = $mount;
}
self::writeData($isPersonal, $mountPoints);
return true;
}
/**
*
* @param string Mount point
* @param string MOUNT_TYPE_GROUP | MOUNT_TYPE_USER
* @param string User or group to remove mount from
* @param bool Personal or system mount point
* @return bool
*/
public static function removeMountPoint($mountPoint, $mountType, $applicable, $isPersonal = false) {
// Verify that the mount point applies for the current user
if ($isPersonal) {
if ($applicable != OCP\User::getUser()) {
return false;
}
$mountPoint = '/'.$applicable.'/files/'.ltrim($mountPoint, '/');
} else {
$mountPoint = '/$user/files/'.ltrim($mountPoint, '/');
}
$mountPoints = self::readData($isPersonal);
// Remove mount point
unset($mountPoints[$mountType][$applicable][$mountPoint]);
// Unset parent arrays if empty
if (empty($mountPoints[$mountType][$applicable])) {
unset($mountPoints[$mountType][$applicable]);
if (empty($mountPoints[$mountType])) {
unset($mountPoints[$mountType]);
}
}
self::writeData($isPersonal, $mountPoints);
return true;
}
/**
* Read the mount points in the config file into an array
* @param bool Personal or system config file
* @return array
*/
private static function readData($isPersonal) {
if ($isPersonal) {
$file = OC::$SERVERROOT.'/data/'.OCP\User::getUser().'/mount.php';
} else {
$file = OC::$SERVERROOT.'/config/mount.php';
}
if (is_file($file)) {
$mountPoints = include($file);
if (is_array($mountPoints)) {
return $mountPoints;
}
}
return array();
}
/**
* Write the mount points to the config file
* @param bool Personal or system config file
* @param array Mount points
*/
private static function writeData($isPersonal, $data) {
if ($isPersonal) {
$file = OC::$SERVERROOT.'/data/'.OCP\User::getUser().'/mount.php';
} else {
$file = OC::$SERVERROOT.'/config/mount.php';
}
$content = "<?php return array (\n";
if (isset($data[self::MOUNT_TYPE_GROUP])) {
$content .= "\t'group' => array (\n";
foreach ($data[self::MOUNT_TYPE_GROUP] as $group => $mounts) {
$content .= "\t\t'".$group."' => array (\n";
foreach ($mounts as $mountPoint => $mount) {
$content .= "\t\t\t'".$mountPoint."' => ".str_replace("\n", '', var_export($mount, true)).",\n";
}
$content .= "\t\t),\n";
}
$content .= "\t),\n";
}
if (isset($data[self::MOUNT_TYPE_USER])) {
$content .= "\t'user' => array (\n";
foreach ($data[self::MOUNT_TYPE_USER] as $user => $mounts) {
$content .= "\t\t'".$user."' => array (\n";
foreach ($mounts as $mountPoint => $mount) {
$content .= "\t\t\t'".$mountPoint."' => ".str_replace("\n", '', var_export($mount, true)).",\n";
}
$content .= "\t\t),\n";
}
$content .= "\t),\n";
}
$content .= ");\n?>";
@file_put_contents($file, $content);
}
/**
* Returns all user uploaded ssl root certificates
* @return array
*/
public static function getCertificates() {
$view = \OCP\Files::getStorage('files_external');
$path=\OCP\Config::getSystemValue('datadirectory').$view->getAbsolutePath("").'uploads/';
if (!is_dir($path)) mkdir($path);
$result = array();
$handle = opendir($path);
while (false !== ($file = readdir($handle))) {
if($file != '.' && $file != '..') $result[] = $file;
}
return $result;
}
/**
* creates certificate bundle
*/
public static function createCertificateBundle() {
$view = \OCP\Files::getStorage("files_external");
$path = \OCP\Config::getSystemValue('datadirectory').$view->getAbsolutePath("");
$certs = OC_Mount_Config::getCertificates();
$fh_certs = fopen($path."/rootcerts.crt", 'w');
foreach ($certs as $cert) {
$file=$path.'/uploads/'.$cert;
$fh = fopen($file, "r");
$data = fread($fh, filesize($file));
fclose($fh);
if (strpos($data, 'BEGIN CERTIFICATE')) {
fwrite($fh_certs, $data);
}
}
fclose($fh_certs);
return true;
}
}
?>