Version 4.0.13.1
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<?php
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/**
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* @brief File Handler: FTP
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* @author <a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
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* @copyright (c) 2001 - SVN_YYYY Invision Power Services, Inc.
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* @license http://www.invisionpower.com/legal/standards/
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* @package IPS Social Suite
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* @since 06 May 2013
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* @version SVN_VERSION_NUMBER
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*/
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namespace IPS\File;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* File Handler: FTP
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*/
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class _Ftp extends \IPS\File
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{
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/* !ACP Configuration */
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/**
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* Settings
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*
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* @param array $configuration Configuration if editing a setting, or array() if creating a setting.
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* @return array
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*/
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public static function settings( $configuration=array() )
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{
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return array(
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'ftp_details' => array( 'type' => 'Ftp', 'options' => array( 'validate' => FALSE ) ),
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'url' => array( 'type' => 'Text', 'options' => array( 'placeholder' => 'http://www.example.com/example' ) ),
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);
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}
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/**
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* Test Settings
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*
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* @param array $values The submitted values
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* @return void
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* @throws \LogicException
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*/
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public static function testSettings( &$values )
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{
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if ( !function_exists( 'ftp_connect' ) )
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{
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throw new \BadFunctionCallException( 'ftp_err_no_ext' );
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}
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elseif ( $values['ftp_details']['protocol'] === 'ssl_ftp' and !function_exists( 'ftp_ssl_connect' ) )
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{
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throw new \BadFunctionCallException( 'ftp_err_no_ssl' );
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}
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elseif ( $values['ftp_details']['protocol'] === 'sftp' and !function_exists( 'ssh2_connect' ) )
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{
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throw new \BadFunctionCallException( 'ftp_err_no_sftp' );
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}
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$values['url'] = rtrim( $values['url'], '/' );
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if ( filter_var( $values['url'], FILTER_VALIDATE_URL ) === false )
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{
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throw new \DomainException( \IPS\Member::loggedIn()->language()->addToStack( 'url_is_not_real', FALSE, array( 'sprintf' => array( $values['url'] ) ) ) );
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}
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try
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{
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if ( $values['ftp_details']['protocol'] == 'sftp' )
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{
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$ftp = new \IPS\Ftp\Sftp( $values['ftp_details']['server'], $values['ftp_details']['un'], $values['ftp_details']['pw'], $values['ftp_details']['port'] );
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}
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else
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{
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$ftp = new \IPS\Ftp( $values['ftp_details']['server'], $values['ftp_details']['un'], $values['ftp_details']['pw'], $values['ftp_details']['port'], ( $values['ftp_details']['protocol'] == 'ssl_ftp' ) );
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}
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$ftp->chdir( $values['ftp_details']['path'] );
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$filename = md5( uniqid() ) . '.ips.txt';
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$tmpFileName = tempnam( \IPS\TEMP_DIRECTORY, 'IPS' );
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\file_put_contents( $tmpFileName, 'OK' );
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$ftp->upload( $filename, $tmpFileName );
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$result = \IPS\Http\Url::external( $values['url'] . '/' . $filename)->request()->get();
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$ftp->delete( $filename );
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unlink( $tmpFileName );
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if ( (string) $result !== 'OK' )
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{
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if ( $result->httpResponseCode == 200 )
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{
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throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack( 'file_storage_test_ftp_unexpected_response', FALSE, array( 'sprintf' => array( $values['ftp_details']['server'] ) ) ) );
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}
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else
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{
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throw new \InvalidArgumentException( \IPS\Member::loggedIn()->language()->addToStack( 'file_storage_test_error_ftp', FALSE, array( 'sprintf' => array( $values['ftp_details']['server'], $result->httpResponseCode ) ) ) );
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}
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}
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}
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catch ( \IPS\Ftp\Exception $e )
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{
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throw new \DomainException( 'ftp_err-' . $e->getMessage() );
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}
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}
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/**
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* Display name
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*
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* @param array $settings Configuration settings
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* @return string
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*/
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public static function displayName( $settings )
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{
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return \IPS\Member::loggedIn()->language()->addToStack( 'filehandler_display_name', FALSE, array( 'sprintf' => array( \IPS\Member::loggedIn()->language()->addToStack('filehandler__Ftp'), $settings['ftp_details']['server'] ) ) );
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}
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/* !File Handling */
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/**
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* Constructor
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*
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* @param array $configuration Storage configuration
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* @return void
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*/
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public function __construct( $configuration )
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{
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$this->container = 'monthly_' . date( 'm' ) . '_' . date( 'Y' );
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parent::__construct( $configuration );
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}
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/**
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* Return the base URL
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*
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* @return string
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*/
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public function baseUrl()
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{
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return $this->configuration['url'];
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}
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/**
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* Save File
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*
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* @return void
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* @throws \IPS\Ftp\Exception
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*/
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public function save()
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{
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/* Make sure name doesn't have anything that may break URLs */
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if ( preg_match( '#[^a-zA-Z0-9!\-_\.\*\(\)]#', $this->filename ) )
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{
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$this->filename = uniqid() . '_' . preg_replace( '#[^a-zA-Z0-9!\-_\.\*\(\)]#', '', $this->filename );
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}
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/* Get contents */
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$contents = $this->contents();
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/* Create a temporary file */
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$tmpFileName = tempnam( \IPS\TEMP_DIRECTORY, 'IPS' );
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\file_put_contents( $tmpFileName, $contents );
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/* Move into the correct folder */
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if( !in_array( $this->container, $this->ftp()->ls() ) )
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{
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/* Make dir */
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$this->ftp()->mkdir( $this->container );
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/* Stick an index.html file in */
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$tmpIndexFile = tempnam( \IPS\TEMP_DIRECTORY, 'IPS' );
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\file_put_contents( $tmpIndexFile, '' );
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$this->ftp()->upload( 'index.html', $tmpIndexFile );
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unlink( $tmpIndexFile );
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}
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$this->ftp()->chdir( $this->container );
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/* Upload */
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$this->ftp()->upload( $this->filename, $tmpFileName );
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/* Move back */
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$this->ftp()->cdup();
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/* Destroy the temporary file */
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unlink( $tmpFileName );
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/* Set the URL */
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$this->url = new \IPS\Http\Url( $this->fullyQualifiedUrl( "{$this->container}/{$this->filename}" ) );
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}
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/**
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* Delete
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*
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* @return void
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* @throws \IPS\Ftp\Exception
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*/
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public function delete()
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{
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$this->ftp()->delete( $this->container . '/' . $this->filename );
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}
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/**
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* Delete Container
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*
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* @param string $container Key
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* @return void
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* @throws \IPS\Ftp\Exception
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*/
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public function deleteContainer( $container )
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{
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$this->ftp()->rmdir( $container, TRUE );
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}
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/* !FTP Utility Methods */
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/**
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* @brief FTP Connection
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*/
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protected static $ftp = NULL;
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/**
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* Get FTP Connection
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*
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* @return \IPS\Ftp
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* @throws \IPS\Ftp\Exception
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*/
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protected function ftp()
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{
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if ( static::$ftp === NULL )
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{
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if ( $this->configuration['ftp_details']['protocol'] == 'sftp' )
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{
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static::$ftp = new \IPS\Ftp\Sftp( $this->configuration['ftp_details']['server'], $this->configuration['ftp_details']['un'], $this->configuration['ftp_details']['pw'], $this->configuration['ftp_details']['port'] );
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}
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else
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{
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static::$ftp = new \IPS\Ftp( $this->configuration['ftp_details']['server'], $this->configuration['ftp_details']['un'], $this->configuration['ftp_details']['pw'], $this->configuration['ftp_details']['port'], ( $this->configuration['ftp_details']['protocol'] == 'ssl_ftp' ) );
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}
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static::$ftp->chdir( $this->configuration['ftp_details']['path'] );
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}
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return static::$ftp;
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}
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/**
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* Remove orphaned files
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*
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* @param int $fileIndex The file offset to start at in a listing
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* @param array $engines All file storage engine extension objects
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* @return array
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*/
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public function removeOrphanedFiles( $fileIndex, $engines )
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{
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/* Start off our results array */
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$results = array(
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'_done' => FALSE,
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'fileIndex' => $fileIndex,
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);
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/* We don't really care about the container index for the database method...just look for files based on the file offset */
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$checked = 0;
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$skipped = 0;
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$iterator = new \RecursiveIteratorIterator( new \IPS\Ftp\RecursiveDirectoryFtpIterator( $this->ftp(), $this->configuration['ftp_details']['path'] ) );
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while( $iterator->valid() )
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{
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/* We aren't checking directories */
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if( $iterator->current()->isDir() OR $iterator->current()->getFilename() == 'index.html' )
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{
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$iterator->next();
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continue;
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}
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/* Have we hit our limit? If so we need to stop. */
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if( $checked >= 100 )
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{
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break;
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}
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/* Is there an offset? If so we need to skip */
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if( $fileIndex > 0 AND $fileIndex > $skipped )
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{
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$skipped++;
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$iterator->next();
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continue;
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}
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$checked++;
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$currentName = str_replace( $this->configuration['ftp_details']['path'] . '/', '', $iterator->current()->getPathname() );
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/* Next we will have to loop through each storage engine type and call it to see if the file is valid */
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foreach( $engines as $engine )
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{
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/* If this file is valid for the engine, skip to the next file */
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if( $engine->isValidFile( $currentName ) )
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{
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$iterator->next();
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continue 2;
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}
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}
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/* If we are still here, the file was not valid */
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$this->logOrphanedFile( $currentName );
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$iterator->next();
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}
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$results['fileIndex'] += $checked;
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/* Are we done? */
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if( !$checked OR $checked < 100 )
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{
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$results['_done'] = TRUE;
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}
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return $results;
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}
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/**
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* Get filesize (in bytes)
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*
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* @return string
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*/
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public function filesize()
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{
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$this->ftp()->chdir( $this->configuration['ftp_details']['path'] );
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if( $this->container )
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{
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$this->ftp()->chdir( $this->container );
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}
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$size = $this->ftp()->size( $this->filename );
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return $size ?: parent::filesize();
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}
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}
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