441 lines
14 KiB
PHP
Executable file
441 lines
14 KiB
PHP
Executable file
<?php
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/**
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* ownCloud
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*
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* @author Michael Gapczynski
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* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Class to configure the config/mount.php and data/$user/mount.php files
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*/
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class OC_Mount_Config {
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const MOUNT_TYPE_GLOBAL = 'global';
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const MOUNT_TYPE_GROUP = 'group';
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const MOUNT_TYPE_USER = 'user';
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/**
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* Get details on each of the external storage backends, used for the mount config UI
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* If a custom UI is needed, add the key 'custom' and a javascript file with that name will be loaded
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* If the configuration parameter should be secret, add a '*' to the beginning of the value
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* If the configuration parameter is a boolean, add a '!' to the beginning of the value
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* If the configuration parameter is optional, add a '&' to the beginning of the value
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* If the configuration parameter is hidden, add a '#' to the begining of the value
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* @return array
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*/
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public static function getBackends() {
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$backends['\OC\Files\Storage\Local']=array(
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'backend' => 'Local',
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'configuration' => array(
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'datadir' => 'Location'));
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$backends['\OC\Files\Storage\AmazonS3']=array(
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'backend' => 'Amazon S3',
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'configuration' => array(
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'key' => 'Key',
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'secret' => '*Secret',
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'bucket' => 'Bucket'));
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$backends['\OC\Files\Storage\Dropbox']=array(
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'backend' => 'Dropbox',
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'configuration' => array(
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'configured' => '#configured',
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'app_key' => 'App key',
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'app_secret' => 'App secret',
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'token' => '#token',
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'token_secret' => '#token_secret'),
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'custom' => 'dropbox');
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if(OC_Mount_Config::checkphpftp()) $backends['\OC\Files\Storage\FTP']=array(
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'backend' => 'FTP',
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'configuration' => array(
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'host' => 'URL',
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'user' => 'Username',
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'password' => '*Password',
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'root' => '&Root',
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'secure' => '!Secure ftps://'));
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$backends['\OC\Files\Storage\Google']=array(
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'backend' => 'Google Drive',
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'configuration' => array(
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'configured' => '#configured',
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'token' => '#token',
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'token_secret' => '#token secret'),
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'custom' => 'google');
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$backends['\OC\Files\Storage\SWIFT']=array(
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'backend' => 'OpenStack Swift',
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'configuration' => array(
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'host' => 'URL',
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'user' => 'Username',
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'token' => '*Token',
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'root' => '&Root',
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'secure' => '!Secure ftps://'));
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if(OC_Mount_Config::checksmbclient()) $backends['\OC\Files\Storage\SMB']=array(
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'backend' => 'SMB / CIFS',
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'configuration' => array(
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'host' => 'URL',
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'user' => 'Username',
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'password' => '*Password',
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'share' => 'Share',
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'root' => '&Root'));
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$backends['\OC\Files\Storage\DAV']=array(
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'backend' => 'ownCloud / WebDAV',
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'configuration' => array(
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'host' => 'URL',
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'user' => 'Username',
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'password' => '*Password',
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'root' => '&Root',
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'secure' => '!Secure https://'));
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$backends['\OC\Files\Storage\SFTP']=array(
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'backend' => 'SFTP',
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'configuration' => array(
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'host' => 'URL',
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'user' => 'Username',
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'password' => '*Password',
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'root' => '&Root'));
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$backends['\OC\Files\Storage\iRODS']=array(
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'backend' => 'iRODS',
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'configuration' => array(
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'host' => 'Host',
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'port' => 'Port',
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'user' => 'Username',
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'password' => '*Password',
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'zone' => 'Zone'));
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return($backends);
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}
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/**
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* Get the system mount points
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* The returned array is not in the same format as getUserMountPoints()
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* @return array
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*/
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public static function getSystemMountPoints() {
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$mountPoints = self::readData(false);
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$backends = self::getBackends();
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$system = array();
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if (isset($mountPoints[self::MOUNT_TYPE_GROUP])) {
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foreach ($mountPoints[self::MOUNT_TYPE_GROUP] as $group => $mounts) {
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foreach ($mounts as $mountPoint => $mount) {
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// Update old classes to new namespace
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if (strpos($mount['class'], 'OC_Filestorage_') !== false) {
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$mount['class'] = '\OC\Files\Storage\\'.substr($mount['class'], 15);
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}
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// Remove '/$user/files/' from mount point
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$mountPoint = substr($mountPoint, 13);
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// Merge the mount point into the current mount points
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if (isset($system[$mountPoint]) && $system[$mountPoint]['configuration'] == $mount['options']) {
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$system[$mountPoint]['applicable']['groups']
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= array_merge($system[$mountPoint]['applicable']['groups'], array($group));
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} else {
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$system[$mountPoint] = array(
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'class' => $mount['class'],
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'backend' => $backends[$mount['class']]['backend'],
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'configuration' => $mount['options'],
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'applicable' => array('groups' => array($group), 'users' => array()),
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'status' => self::getBackendStatus($mount['class'], $mount['options'])
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);
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}
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}
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}
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}
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if (isset($mountPoints[self::MOUNT_TYPE_USER])) {
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foreach ($mountPoints[self::MOUNT_TYPE_USER] as $user => $mounts) {
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foreach ($mounts as $mountPoint => $mount) {
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// Update old classes to new namespace
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if (strpos($mount['class'], 'OC_Filestorage_') !== false) {
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$mount['class'] = '\OC\Files\Storage\\'.substr($mount['class'], 15);
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}
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// Remove '/$user/files/' from mount point
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$mountPoint = substr($mountPoint, 13);
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// Merge the mount point into the current mount points
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if (isset($system[$mountPoint]) && $system[$mountPoint]['configuration'] == $mount['options']) {
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$system[$mountPoint]['applicable']['users']
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= array_merge($system[$mountPoint]['applicable']['users'], array($user));
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} else {
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$system[$mountPoint] = array(
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'class' => $mount['class'],
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'backend' => $backends[$mount['class']]['backend'],
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'configuration' => $mount['options'],
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'applicable' => array('groups' => array(), 'users' => array($user)),
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'status' => self::getBackendStatus($mount['class'], $mount['options'])
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);
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}
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}
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}
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}
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return $system;
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}
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/**
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* Get the personal mount points of the current user
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* The returned array is not in the same format as getUserMountPoints()
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* @return array
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*/
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public static function getPersonalMountPoints() {
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$mountPoints = self::readData(true);
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$backends = self::getBackends();
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$uid = OCP\User::getUser();
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$personal = array();
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if (isset($mountPoints[self::MOUNT_TYPE_USER][$uid])) {
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foreach ($mountPoints[self::MOUNT_TYPE_USER][$uid] as $mountPoint => $mount) {
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// Update old classes to new namespace
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if (strpos($mount['class'], 'OC_Filestorage_') !== false) {
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$mount['class'] = '\OC\Files\Storage\\'.substr($mount['class'], 15);
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}
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// Remove '/uid/files/' from mount point
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$personal[substr($mountPoint, strlen($uid) + 8)] = array(
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'class' => $mount['class'],
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'backend' => $backends[$mount['class']]['backend'],
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'configuration' => $mount['options'],
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'status' => self::getBackendStatus($mount['class'], $mount['options'])
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);
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}
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}
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return $personal;
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}
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private static function getBackendStatus($class, $options) {
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foreach ($options as &$option) {
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$option = str_replace('$user', OCP\User::getUser(), $option);
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}
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if (class_exists($class)) {
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try {
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$storage = new $class($options);
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return $storage->test();
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} catch (Exception $exception) {
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return false;
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}
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}
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return false;
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}
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/**
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* Add a mount point to the filesystem
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* @param string Mount point
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* @param string Backend class
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* @param array Backend parameters for the class
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* @param string MOUNT_TYPE_GROUP | MOUNT_TYPE_USER
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* @param string User or group to apply mount to
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* @param bool Personal or system mount point i.e. is this being called from the personal or admin page
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* @return bool
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*/
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public static function addMountPoint($mountPoint,
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$class,
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$classOptions,
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$mountType,
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$applicable,
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$isPersonal = false) {
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if ($isPersonal) {
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// Verify that the mount point applies for the current user
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// Prevent non-admin users from mounting local storage
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if ($applicable != OCP\User::getUser() || $class == '\OC\Files\Storage\Local') {
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return false;
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}
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$mountPoint = '/'.$applicable.'/files/'.ltrim($mountPoint, '/');
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} else {
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$mountPoint = '/$user/files/'.ltrim($mountPoint, '/');
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}
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$mount = array($applicable => array($mountPoint => array('class' => $class, 'options' => $classOptions)));
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$mountPoints = self::readData($isPersonal);
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// Merge the new mount point into the current mount points
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if (isset($mountPoints[$mountType])) {
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if (isset($mountPoints[$mountType][$applicable])) {
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$mountPoints[$mountType][$applicable]
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= array_merge($mountPoints[$mountType][$applicable], $mount[$applicable]);
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} else {
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$mountPoints[$mountType] = array_merge($mountPoints[$mountType], $mount);
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}
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} else {
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$mountPoints[$mountType] = $mount;
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}
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self::writeData($isPersonal, $mountPoints);
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return self::getBackendStatus($class, $classOptions);
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}
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/**
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*
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* @param string Mount point
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* @param string MOUNT_TYPE_GROUP | MOUNT_TYPE_USER
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* @param string User or group to remove mount from
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* @param bool Personal or system mount point
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* @return bool
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*/
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public static function removeMountPoint($mountPoint, $mountType, $applicable, $isPersonal = false) {
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// Verify that the mount point applies for the current user
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if ($isPersonal) {
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if ($applicable != OCP\User::getUser()) {
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return false;
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}
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$mountPoint = '/'.$applicable.'/files/'.ltrim($mountPoint, '/');
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} else {
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$mountPoint = '/$user/files/'.ltrim($mountPoint, '/');
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}
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$mountPoints = self::readData($isPersonal);
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// Remove mount point
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unset($mountPoints[$mountType][$applicable][$mountPoint]);
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// Unset parent arrays if empty
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if (empty($mountPoints[$mountType][$applicable])) {
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unset($mountPoints[$mountType][$applicable]);
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if (empty($mountPoints[$mountType])) {
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unset($mountPoints[$mountType]);
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}
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}
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self::writeData($isPersonal, $mountPoints);
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return true;
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}
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/**
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* Read the mount points in the config file into an array
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* @param bool Personal or system config file
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* @return array
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*/
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private static function readData($isPersonal) {
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$parser = new \OC\ArrayParser();
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if ($isPersonal) {
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$phpFile = OC_User::getHome(OCP\User::getUser()).'/mount.php';
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$jsonFile = OC_User::getHome(OCP\User::getUser()).'/mount.json';
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} else {
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$datadir = \OC_Config::getValue("datadirectory", \OC::$SERVERROOT . "/data");
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$phpFile = OC::$SERVERROOT.'/config/mount.php';
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$jsonFile = $datadir . '/mount.json';
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}
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if (is_file($jsonFile)) {
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$mountPoints = json_decode(file_get_contents($jsonFile), true);
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if (is_array($mountPoints)) {
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return $mountPoints;
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}
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} elseif (is_file($phpFile)) {
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$mountPoints = $parser->parsePHP(file_get_contents($phpFile));
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if (is_array($mountPoints)) {
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return $mountPoints;
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}
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}
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return array();
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}
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/**
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* Write the mount points to the config file
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* @param bool Personal or system config file
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* @param array Mount points
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*/
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private static function writeData($isPersonal, $data) {
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if ($isPersonal) {
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$file = OC_User::getHome(OCP\User::getUser()).'/mount.json';
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} else {
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$datadir = \OC_Config::getValue("datadirectory", \OC::$SERVERROOT . "/data");
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$file = $datadir . '/mount.json';
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}
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$content = json_encode($data);
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@file_put_contents($file, $content);
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@chmod($file, 0640);
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}
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/**
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* Returns all user uploaded ssl root certificates
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* @return array
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*/
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public static function getCertificates() {
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$view = \OCP\Files::getStorage('files_external');
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$path=\OCP\Config::getSystemValue('datadirectory').$view->getAbsolutePath("").'uploads/';
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\OCP\Util::writeLog('files_external', 'checking path '.$path, \OCP\Util::INFO);
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if ( ! is_dir($path)) {
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//path might not exist (e.g. non-standard OC_User::getHome() value)
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//in this case create full path using 3rd (recursive=true) parameter.
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mkdir($path, 0777, true);
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}
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$result = array();
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$handle = opendir($path);
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if ( ! $handle) {
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return array();
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}
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while (false !== ($file = readdir($handle))) {
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if ($file != '.' && $file != '..') $result[] = $file;
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}
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return $result;
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}
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/**
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* creates certificate bundle
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*/
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public static function createCertificateBundle() {
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$view = \OCP\Files::getStorage("files_external");
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$path = \OCP\Config::getSystemValue('datadirectory').$view->getAbsolutePath("");
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$certs = OC_Mount_Config::getCertificates();
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$fh_certs = fopen($path."/rootcerts.crt", 'w');
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foreach ($certs as $cert) {
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$file=$path.'/uploads/'.$cert;
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$fh = fopen($file, "r");
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$data = fread($fh, filesize($file));
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fclose($fh);
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if (strpos($data, 'BEGIN CERTIFICATE')) {
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fwrite($fh_certs, $data);
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fwrite($fh_certs, "\r\n");
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}
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}
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fclose($fh_certs);
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return true;
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}
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/**
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* check if smbclient is installed
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*/
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public static function checksmbclient() {
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if(function_exists('shell_exec')) {
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$output=shell_exec('which smbclient');
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return (empty($output)?false:true);
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}else{
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return(false);
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}
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}
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/**
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* check if php-ftp is installed
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*/
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public static function checkphpftp() {
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if(function_exists('ftp_login')) {
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return(true);
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}else{
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return(false);
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}
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}
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/**
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* check dependencies
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*/
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public static function checkDependencies() {
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$l= new OC_L10N('files_external');
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$txt='';
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if(!OC_Mount_Config::checksmbclient()) {
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$txt.=$l->t('<b>Warning:</b> "smbclient" is not installed. Mounting of CIFS/SMB shares is not possible. Please ask your system administrator to install it.').'<br />';
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}
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if(!OC_Mount_Config::checkphpftp()) {
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$txt.=$l->t('<b>Warning:</b> The FTP support in PHP is not enabled or installed. Mounting of FTP shares is not possible. Please ask your system administrator to install it.').'<br />';
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}
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return($txt);
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}
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}
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