class-destination-ftp.php
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<?php
/**
*
*/
class BackWPup_Destination_Ftp extends BackWPup_Destinations {
/**
* @return array
*/
public function option_defaults() {
return array( 'ftphost' => '', 'ftphostport' => 21, 'ftptimeout' => 90, 'ftpuser' => '', 'ftppass' => '', 'ftpdir' => trailingslashit( sanitize_title_with_dashes( get_bloginfo( 'name' ) ) ), 'ftpmaxbackups' => 15, 'ftppasv' => TRUE, 'ftpssl' => FALSE );
}
/**
* @param $jobid
*/
public function edit_tab( $jobid ) {
?>
<h3 class="title"><?php esc_html_e( 'FTP server and login', 'backwpup' ); ?></h3>
<p></p>
<table class="form-table">
<tr>
<th scope="row"><label for="idftphost"><?php esc_html_e( 'FTP server', 'backwpup' ); ?></label></th>
<td>
<input id="idftphost" name="ftphost" type="text" value="<?php echo esc_attr( BackWPup_Option::get( $jobid, 'ftphost' ) );?>" class="regular-text" autocomplete="off" />
<label for="idftphostport"><?php esc_html_e( 'Port:', 'backwpup' ); ?>
<input name="ftphostport" id="idftphostport" type="number" step="1" min="1" max="66000" value="<?php echo esc_attr( BackWPup_Option::get( $jobid, 'ftphostport' ) ); ?>" class="small-text" /></label>
</td>
</tr>
<tr>
<th scope="row"><label for="idftpuser"><?php esc_html_e( 'Username', 'backwpup' ); ?></label></th>
<td>
<input id="idftpuser" name="ftpuser" type="text" value="<?php echo esc_attr( BackWPup_Option::get( $jobid, 'ftpuser' ) ); ?>" class="user regular-text" autocomplete="off" />
</td>
</tr>
<tr>
<th scope="row"><label for="idftppass"><?php esc_html_e( 'Password', 'backwpup' ); ?></label></th>
<td>
<input id="idftppass" name="ftppass" type="password" value="<?php echo esc_attr( BackWPup_Encryption::decrypt(BackWPup_Option::get( $jobid, 'ftppass' ) ) ); ?>" class="password regular-text" autocomplete="off" />
</td>
</tr>
</table>
<h3 class="title"><?php esc_html_e( 'Backup settings', 'backwpup' ); ?></h3>
<p></p>
<table class="form-table">
<tr>
<th scope="row"><label for="idftpdir"><?php esc_html_e( 'Folder to store files in', 'backwpup' ); ?></label></th>
<td>
<input id="idftpdir" name="ftpdir" type="text" value="<?php echo esc_attr( BackWPup_Option::get( $jobid, 'ftpdir' ) ); ?>" class="regular-text" />
</td>
</tr>
<tr>
<th scope="row"><?php esc_html_e( 'File Deletion', 'backwpup' ); ?></th>
<td>
<?php
if ( BackWPup_Option::get( $jobid, 'backuptype' ) === 'archive' ) {
?>
<label for="idftpmaxbackups">
<input id="idftpmaxbackups" name="ftpmaxbackups" type="number" min="0" step="1" value="<?php echo esc_attr( BackWPup_Option::get( $jobid, 'ftpmaxbackups' ) ); ?>" class="small-text" />
<?php esc_html_e( 'Number of files to keep in folder.', 'backwpup' ); ?>
</label>
<?php } else { ?>
<label for="idftpsyncnodelete">
<input class="checkbox" value="1" type="checkbox" <?php checked( BackWPup_Option::get( $jobid, 'ftpsyncnodelete' ), true ); ?> name="ftpsyncnodelete" id="idftpsyncnodelete" />
<?php esc_html_e( 'Do not delete files while syncing to destination!', 'backwpup' ); ?>
</label>
<?php } ?>
</td>
</tr>
</table>
<h3 class="title"><?php esc_html_e( 'FTP specific settings', 'backwpup' ); ?></h3>
<p></p>
<table class="form-table">
<tr>
<th scope="row"><label for="idftptimeout"><?php esc_html_e( 'Timeout for FTP connection', 'backwpup' ); ?></label></th>
<td>
<input id="idftptimeout" name="ftptimeout" type="number" step="1" min="1" max="300"
value="<?php echo esc_attr( BackWPup_Option::get( $jobid, 'ftptimeout' ) ); ?>"
class="small-text" /> <?php esc_html_e( 'seconds', 'backwpup' ); ?>
</td>
</tr>
<tr>
<th scope="row"><?php esc_html_e( 'SSL-FTP connection', 'backwpup' ); ?></th>
<td>
<label for="idftpssl"><input class="checkbox" value="1" type="checkbox" <?php checked( BackWPup_Option::get( $jobid, 'ftpssl' ), TRUE ); ?>
id="idftpssl" name="ftpssl"<?php if ( ! function_exists( 'ftp_ssl_connect' ) ) echo " disabled=\"disabled\""; ?> /> <?php esc_html_e( 'Use explicit SSL-FTP connection.', 'backwpup' ); ?></label>
</td>
</tr>
<tr>
<th scope="row"><?php esc_html_e( 'FTP Passive Mode', 'backwpup' ); ?></th>
<td>
<label for="idftppasv"><input class="checkbox" value="1" type="checkbox" <?php checked( BackWPup_Option::get( $jobid, 'ftppasv' ), TRUE ); ?> name="ftppasv" id="idftppasv" /> <?php esc_html_e( 'Use FTP Passive Mode.', 'backwpup' ); ?></label>
</td>
</tr>
</table>
<?php
}
/**
* @param $id
*/
public function edit_form_post_save( $id ) {
$_POST[ 'ftphost' ] = str_replace( array( 'http://', 'ftp://' ), '', sanitize_text_field( $_POST[ 'ftphost' ] ) );
BackWPup_Option::update( $id, 'ftphost', isset( $_POST[ 'ftphost' ] ) ? $_POST[ 'ftphost' ] : '' );
BackWPup_Option::update( $id, 'ftphostport', ! empty( $_POST[ 'ftphostport' ] ) ? absint( $_POST[ 'ftphostport' ] ) : 21 );
BackWPup_Option::update( $id, 'ftptimeout', ! empty( $_POST[ 'ftptimeout' ] ) ? absint( $_POST[ 'ftptimeout' ] ) : 90 );
BackWPup_Option::update( $id, 'ftpuser', sanitize_text_field( $_POST[ 'ftpuser' ] ) );
BackWPup_Option::update( $id, 'ftppass', BackWPup_Encryption::encrypt( $_POST[ 'ftppass' ] ) );
if ( ! empty( $_POST[ 'ftpdir' ] ) ) {
$_POST['ftpdir'] = trailingslashit( str_replace( '//', '/', str_replace( '\\', '/', trim( sanitize_text_field( $_POST['ftpdir'] ) ) ) ) );
}
BackWPup_Option::update( $id, 'ftpdir', $_POST[ 'ftpdir' ] );
BackWPup_Option::update( $id, 'ftpmaxbackups', ! empty( $_POST[ 'ftpmaxbackups' ] ) ? absint( $_POST[ 'ftpmaxbackups' ] ) : 0 );
if ( function_exists( 'ftp_ssl_connect' ) ) {
BackWPup_Option::update( $id, 'ftpssl', ! empty( $_POST[ 'ftpssl' ] ) );
} else {
BackWPup_Option::update( $id, 'ftpssl', false );
}
BackWPup_Option::update( $id, 'ftppasv', ! empty( $_POST[ 'ftppasv' ] ) );
}
/**
* @param $jobdest
* @param $backupfile
*/
public function file_delete( $jobdest, $backupfile ) {
$files = get_site_transient( 'backwpup_'. strtolower( $jobdest ) );
list( $jobid, $dest ) = explode( '_', $jobdest );
if ( BackWPup_Option::get( $jobid, 'ftphost' ) && BackWPup_Option::get( $jobid, 'ftpuser' ) && BackWPup_Option::get( $jobid, 'ftppass' ) && function_exists( 'ftp_connect' ) ) {
$ftp_conn_id = FALSE;
if ( function_exists( 'ftp_ssl_connect' ) && BackWPup_Option::get( $jobid, 'ftpssl' ) ) { //make SSL FTP connection
$ftp_conn_id = ftp_ssl_connect( BackWPup_Option::get( $jobid, 'ftphost' ), BackWPup_Option::get( $jobid, 'ftphostport' ), BackWPup_Option::get( $jobid, 'ftptimeout' ) );
}
elseif ( ! BackWPup_Option::get( $jobid, 'ftpssl' ) ) { //make normal FTP conection if SSL not work
$ftp_conn_id = ftp_connect( BackWPup_Option::get( $jobid, 'ftphost' ), BackWPup_Option::get( $jobid, 'ftphostport' ), BackWPup_Option::get( $jobid, 'ftptimeout' ) );
}
$loginok = FALSE;
if ( $ftp_conn_id ) {
//FTP Login
if ( @ftp_login( $ftp_conn_id, BackWPup_Option::get( $jobid, 'ftpuser' ), BackWPup_Encryption::decrypt( BackWPup_Option::get( $jobid, 'ftppass' ) ) ) ) {
$loginok = TRUE;
}
else { //if PHP ftp login don't work use raw login
ftp_raw( $ftp_conn_id, 'USER ' . BackWPup_Option::get( $jobid, 'ftpuser' ) );
$return = ftp_raw( $ftp_conn_id, 'PASS ' . BackWPup_Encryption::decrypt( BackWPup_Option::get( $jobid, 'ftppass' ) ) );
if ( substr( trim( $return[ 0 ] ), 0, 3 ) <= 400 )
$loginok = TRUE;
}
}
if ( $loginok ) {
ftp_pasv( $ftp_conn_id, BackWPup_Option::get( $jobid, 'ftppasv' ) );
ftp_delete( $ftp_conn_id, $backupfile );
//update file list
foreach ( $files as $key => $file ) {
if ( is_array( $file ) && $file[ 'file' ] == $backupfile )
unset( $files[ $key ] );
}
}
else {
BackWPup_Admin::message( __( 'FTP: Login failure!', 'backwpup' ), TRUE );
}
}
set_site_transient( 'backwpup_'. strtolower( $jobdest ), $files, YEAR_IN_SECONDS );
}
/**
* @param $jobdest
* @return mixed
*/
public function file_get_list( $jobdest ) {
return get_site_transient( 'backwpup_' . strtolower( $jobdest ) );
}
/**
* @param $job_object
* @return bool
*/
public function job_run_archive( BackWPup_Job $job_object ) {
$job_object->substeps_todo = 2 + $job_object->backup_filesize;
if ( $job_object->steps_data[ $job_object->step_working ]['SAVE_STEP_TRY'] != $job_object->steps_data[ $job_object->step_working ][ 'STEP_TRY' ] )
$job_object->log( sprintf( __( '%d. Try to send backup file to an FTP server …', 'backwpup' ), $job_object->steps_data[ $job_object->step_working ][ 'STEP_TRY' ] ), E_USER_NOTICE );
if ( ! empty( $job_object->job[ 'ftpssl' ] ) ) { //make SSL FTP connection
if ( function_exists( 'ftp_ssl_connect' ) ) {
$ftp_conn_id = ftp_ssl_connect( $job_object->job[ 'ftphost' ], $job_object->job[ 'ftphostport' ], $job_object->job[ 'ftptimeout' ] );
if ( $ftp_conn_id )
$job_object->log( sprintf( __( 'Connected via explicit SSL-FTP to server: %s', 'backwpup' ), $job_object->job[ 'ftphost' ] . ':' . $job_object->job[ 'ftphostport' ] ), E_USER_NOTICE );
else {
$job_object->log( sprintf( __( 'Cannot connect via explicit SSL-FTP to server: %s', 'backwpup' ), $job_object->job[ 'ftphost' ] . ':' . $job_object->job[ 'ftphostport' ] ), E_USER_ERROR );
return FALSE;
}
}
else {
$job_object->log( __( 'PHP function to connect with explicit SSL-FTP to server does not exist!', 'backwpup' ), E_USER_ERROR );
return TRUE;
}
}
else { //make normal FTP connection if SSL not work
$ftp_conn_id = ftp_connect( $job_object->job[ 'ftphost' ], $job_object->job[ 'ftphostport' ], $job_object->job[ 'ftptimeout' ] );
if ( $ftp_conn_id )
$job_object->log( sprintf( __( 'Connected to FTP server: %s', 'backwpup' ), $job_object->job[ 'ftphost' ] . ':' . $job_object->job[ 'ftphostport' ] ), E_USER_NOTICE );
else {
$job_object->log( sprintf( __( 'Cannot connect to FTP server: %s', 'backwpup' ), $job_object->job[ 'ftphost' ] . ':' . $job_object->job[ 'ftphostport' ] ), E_USER_ERROR );
return FALSE;
}
}
//FTP Login
$job_object->log( sprintf( __( 'FTP client command: %s', 'backwpup' ), 'USER ' . $job_object->job[ 'ftpuser' ] ), E_USER_NOTICE );
if ( $loginok = @ftp_login( $ftp_conn_id, $job_object->job[ 'ftpuser' ], BackWPup_Encryption::decrypt( $job_object->job[ 'ftppass' ] ) ) ) {
$job_object->log( sprintf( __( 'FTP server response: %s', 'backwpup' ), 'User ' . $job_object->job[ 'ftpuser' ] . ' logged in.' ), E_USER_NOTICE );
}
else { //if PHP ftp login don't work use raw login
$return = ftp_raw( $ftp_conn_id, 'USER ' . $job_object->job[ 'ftpuser' ] );
$job_object->log( sprintf( __( 'FTP server reply: %s', 'backwpup' ), $return[ 0 ] ), E_USER_NOTICE );
if ( substr( trim( $return[ 0 ] ), 0, 3 ) <= 400 ) {
$job_object->log( sprintf( __( 'FTP client command: %s', 'backwpup' ), 'PASS *******' ), E_USER_NOTICE );
$return = ftp_raw( $ftp_conn_id, 'PASS ' . BackWPup_Encryption::decrypt( $job_object->job[ 'ftppass' ] ) );
if ( substr( trim( $return[ 0 ] ), 0, 3 ) <= 400 ) {
$job_object->log( sprintf( __( 'FTP server reply: %s', 'backwpup' ), $return[ 0 ] ), E_USER_NOTICE );
$loginok = TRUE;
} else {
$job_object->log( sprintf( __( 'FTP server reply: %s', 'backwpup' ), $return[ 0 ] ), E_USER_ERROR );
}
}
}
if ( ! $loginok ) {
return FALSE;
}
//SYSTYPE
$job_object->log( sprintf( __( 'FTP client command: %s', 'backwpup' ), 'SYST' ), E_USER_NOTICE );
$systype = ftp_systype( $ftp_conn_id );
if ( $systype )
$job_object->log( sprintf( __( 'FTP server reply: %s', 'backwpup' ), $systype ), E_USER_NOTICE );
else
$job_object->log( sprintf( __( 'FTP server reply: %s', 'backwpup' ), __( 'Error getting SYSTYPE', 'backwpup' ) ), E_USER_ERROR );
//set actual ftp dir to ftp dir
if ( empty( $job_object->job[ 'ftpdir' ] ) )
$job_object->job[ 'ftpdir' ] = trailingslashit( ftp_pwd( $ftp_conn_id ) );
// prepend actual ftp dir if relative dir
if ( substr( $job_object->job[ 'ftpdir' ], 0, 1 ) != '/' )
$job_object->job[ 'ftpdir' ] = trailingslashit( ftp_pwd( $ftp_conn_id ) ) . $job_object->job[ 'ftpdir' ];
//test ftp dir and create it if not exists
if ( $job_object->job[ 'ftpdir' ] != '/' ) {
@ftp_chdir( $ftp_conn_id, '/' ); //go to root
$ftpdirs = explode( '/', trim( $job_object->job[ 'ftpdir' ], '/' ) );
foreach ( $ftpdirs as $ftpdir ) {
if ( empty( $ftpdir ) )
continue;
if ( ! @ftp_chdir( $ftp_conn_id, $ftpdir ) ) {
if ( @ftp_mkdir( $ftp_conn_id, $ftpdir ) ) {
$job_object->log( sprintf( __( 'FTP Folder "%s" created!', 'backwpup' ), $ftpdir ), E_USER_NOTICE );
ftp_chdir( $ftp_conn_id, $ftpdir );
}
else {
$job_object->log( sprintf( __( 'FTP Folder "%s" cannot be created!', 'backwpup' ), $ftpdir ), E_USER_ERROR );
return FALSE;
}
}
}
}
// Get the current working directory
$current_ftp_dir = trailingslashit( ftp_pwd( $ftp_conn_id ) );
if ( $job_object->substeps_done == 0 )
$job_object->log( sprintf( __( 'FTP current folder is: %s', 'backwpup' ), $current_ftp_dir ), E_USER_NOTICE );
//get file size to resume upload
@clearstatcache();
$job_object->substeps_done = @ftp_size( $ftp_conn_id, $job_object->job[ 'ftpdir' ] . $job_object->backup_file );
if ( $job_object->substeps_done == -1 )
$job_object->substeps_done = 0;
//PASV
$job_object->log( sprintf( __( 'FTP client command: %s', 'backwpup' ), 'PASV' ), E_USER_NOTICE );
if ( $job_object->job[ 'ftppasv' ] ) {
if ( ftp_pasv( $ftp_conn_id, TRUE ) )
$job_object->log( sprintf( __( 'FTP server reply: %s', 'backwpup' ), __( 'Entering passive mode', 'backwpup' ) ), E_USER_NOTICE );
else
$job_object->log( sprintf( __( 'FTP server reply: %s', 'backwpup' ), __( 'Cannot enter passive mode', 'backwpup' ) ), E_USER_WARNING );
}
else {
if ( ftp_pasv( $ftp_conn_id, FALSE ) )
$job_object->log( sprintf( __( 'FTP server reply: %s', 'backwpup' ), __( 'Entering normal mode', 'backwpup' ) ), E_USER_NOTICE );
else
$job_object->log( sprintf( __( 'FTP server reply: %s', 'backwpup' ), __( 'Cannot enter normal mode', 'backwpup' ) ), E_USER_WARNING );
}
if ( $job_object->substeps_done < $job_object->backup_filesize ) {
$job_object->log( __( 'Starting upload to FTP  …', 'backwpup' ), E_USER_NOTICE );
if ( $fp = fopen( $job_object->backup_folder . $job_object->backup_file, 'rb' ) ) {
//go to actual file pos
fseek( $fp, $job_object->substeps_done );
$ret = ftp_nb_fput( $ftp_conn_id, $current_ftp_dir . $job_object->backup_file, $fp, FTP_BINARY, $job_object->substeps_done );
while ( $ret == FTP_MOREDATA ) {
$job_object->substeps_done = ftell( $fp );
$job_object->update_working_data();
$job_object->do_restart_time();
$ret = ftp_nb_continue( $ftp_conn_id );
}
if ( $ret != FTP_FINISHED ) {
$job_object->log( __( 'Cannot transfer backup to FTP server!', 'backwpup' ), E_USER_ERROR );
return FALSE;
}
else {
$job_object->substeps_done = $job_object->backup_filesize + 1;
$job_object->log( sprintf( __( 'Backup transferred to FTP server: %s', 'backwpup' ), $current_ftp_dir . $job_object->backup_file ), E_USER_NOTICE );
if ( ! empty( $job_object->job[ 'jobid' ] ) ) {
BackWPup_Option::update( $job_object->job[ 'jobid' ], 'lastbackupdownloadurl', "ftp://" . $job_object->job[ 'ftpuser' ] . ":" . BackWPup_Encryption::decrypt( $job_object->job[ 'ftppass' ] ) . "@" . $job_object->job[ 'ftphost' ] . ':' . $job_object->job[ 'ftphostport' ] . $current_ftp_dir . $job_object->backup_file );
}
}
fclose( $fp );
} else {
$job_object->log( __( 'Can not open source file for transfer.', 'backwpup' ), E_USER_ERROR );
return FALSE;
}
}
$backupfilelist = array();
$filecounter = 0;
$files = array();
if ( $filelist = ftp_nlist( $ftp_conn_id, '.' ) ) {
foreach ( $filelist as $file ) {
if ( basename( $file ) != '.' && basename( $file ) != '..' ) {
if ( $job_object->is_backup_archive( $file ) ) {
$time = ftp_mdtm( $ftp_conn_id, $file );
if ( $time != - 1 )
$backupfilelist[ $time ] = basename( $file );
else
$backupfilelist[ ] = basename( $file );
}
$files[ $filecounter ][ 'folder' ] = 'ftp://' . $job_object->job[ 'ftphost' ] . ':' . $job_object->job[ 'ftphostport' ] . $job_object->job[ 'ftpdir' ];
$files[ $filecounter ][ 'file' ] = $job_object->job[ 'ftpdir' ] . basename( $file );
$files[ $filecounter ][ 'filename' ] = basename( $file );
$files[ $filecounter ][ 'downloadurl' ] = 'ftp://' . rawurlencode( $job_object->job[ 'ftpuser' ] ) . ':' . rawurlencode( BackWPup_Encryption::decrypt( $job_object->job[ 'ftppass' ] ) ) . '@' . $job_object->job[ 'ftphost' ] . ':' . $job_object->job[ 'ftphostport' ] . $job_object->job[ 'ftpdir' ] . basename( $file );
$files[ $filecounter ][ 'filesize' ] = ftp_size( $ftp_conn_id, $file );
$files[ $filecounter ][ 'time' ] = ftp_mdtm( $ftp_conn_id, $file );
$filecounter ++;
}
}
}
if ( ! empty( $job_object->job[ 'ftpmaxbackups' ] ) && $job_object->job[ 'ftpmaxbackups' ] > 0 ) { //Delete old backups
if ( count( $backupfilelist ) > $job_object->job[ 'ftpmaxbackups' ] ) {
ksort( $backupfilelist );
$numdeltefiles = 0;
while ( $file = array_shift( $backupfilelist ) ) {
if ( count( $backupfilelist ) < $job_object->job[ 'ftpmaxbackups' ] )
break;
if ( ftp_delete( $ftp_conn_id, $file ) ) { //delete files on ftp
foreach ( $files as $key => $filedata ) {
if ( $filedata[ 'file' ] == $job_object->job[ 'ftpdir' ] . $file )
unset( $files[ $key ] );
}
$numdeltefiles ++;
}
else
$job_object->log( sprintf( __( 'Cannot delete "%s" on FTP server!', 'backwpup' ), $job_object->job[ 'ftpdir' ] . $file ), E_USER_ERROR );
}
if ( $numdeltefiles > 0 )
$job_object->log( sprintf( _n( 'One file deleted on FTP server', '%d files deleted on FTP server', $numdeltefiles, 'backwpup' ), $numdeltefiles ), E_USER_NOTICE );
}
}
set_site_transient( 'backwpup_' . $job_object->job[ 'jobid' ] . '_ftp', $files, YEAR_IN_SECONDS );
$job_object->substeps_done++;
ftp_close( $ftp_conn_id );
return TRUE;
}
/**
* @param $job_settings
* @return bool
*/
public function can_run( array $job_settings ) {
if ( empty( $job_settings[ 'ftphost' ] ) )
return FALSE;
if ( empty( $job_settings[ 'ftpuser' ] ) )
return FALSE;
if ( empty( $job_settings[ 'ftppass' ] ) )
return FALSE;
return TRUE;
}
}