AlkantarClanX12
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<?php
/**
* File: Util_WpFile.php
*
* @package W3TC
*/
namespace W3TC;
/**
* Class: Util_WpFile
*/
class Util_WpFile {
/**
* Check WP_Filesystem credentials when running ajax.
*
* @since 2.2.1
*
* @param string $extra Extra markup for an error message.
*/
public static function ajax_check_credentials( $extra = null ) {
if ( ! function_exists( 'get_filesystem_method' ) ) {
require_once ABSPATH . '/wp-admin/includes/file.php';
}
$access_type = get_filesystem_method();
ob_start();
$credentials = request_filesystem_credentials(
site_url() . '/wp-admin/',
$access_type
);
ob_end_clean();
if ( false === $credentials || ! WP_Filesystem( $credentials ) ) {
global $wp_filesystem;
$status['error'] = sprintf(
// translators: 1: Filesystem access method: "direct", "ssh2", "ftpext" or "ftpsockets".
__(
'Unable to connect to the filesystem (using %1$s). Please confirm your credentials. %2$s',
'w3-total-cache'
),
$access_type,
$extra
);
// Pass through the error from WP_Filesystem if one was raised.
if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) &&
$wp_filesystem->errors->has_errors() ) {
$status['error'] = esc_html( $wp_filesystem->errors->get_error_message() );
}
wp_send_json_error( $status );
}
}
/**
* Tries to write file content
*
* @param string $filename path to file
* @param string $content data to write
* @param string $method Which method to use when creating
* @param string $url Where to redirect after creation
* @param bool|string $context folder in which to write file
* @throws Util_WpFile_FilesystemWriteException
* @return void
*/
static public function write_to_file( $filename, $content ) {
$chmod = 0644;
if ( defined( 'FS_CHMOD_FILE' ) ) {
$chmod = FS_CHMOD_FILE;
}
if ( @file_put_contents( $filename, $content ) ) {
@chmod( $filename, $chmod );
return;
}
try {
self::request_filesystem_credentials();
} catch ( Util_WpFile_FilesystemOperationException $ex ) {
throw new Util_WpFile_FilesystemWriteException( $ex->getMessage(),
$ex->credentials_form(), $filename, $content );
}
global $wp_filesystem;
if ( ! $wp_filesystem->put_contents( $filename, $content, $chmod ) ) {
throw new Util_WpFile_FilesystemWriteException(
'FTP credentials don\'t allow to write to file <strong>' .
$filename . '</strong>', self::get_filesystem_credentials_form(),
$filename, $content );
}
}
/**
* Copy file using WordPress filesystem functions.
*
* @param unknown $source_filename
* @param unknown $destination_filename
* @param string $method Which method to use when creating
* @param string $url Where to redirect after creation
* @param bool|string $context folder to copy files too
* @throws Util_WpFile_FilesystemCopyException
*/
static public function copy_file( $source_filename, $destination_filename ) {
$contents = @file_get_contents( $source_filename );
if ( $contents ) {
@file_put_contents( $destination_filename, $contents );
}
if ( @file_exists( $destination_filename ) ) {
if ( @file_get_contents( $destination_filename ) == $contents )
return;
}
try {
self::request_filesystem_credentials();
} catch ( Util_WpFile_FilesystemOperationException $ex ) {
throw new Util_WpFile_FilesystemCopyException( $ex->getMessage(),
$ex->credentials_form(),
$source_filename, $destination_filename );
}
global $wp_filesystem;
if ( !$wp_filesystem->put_contents( $destination_filename, $contents,
FS_CHMOD_FILE ) ) {
throw new Util_WpFile_FilesystemCopyException(
'FTP credentials don\'t allow to copy to file <strong>' .
$destination_filename . '</strong>',
self::get_filesystem_credentials_form(),
$source_filename, $destination_filename );
}
}
/**
*
*
* @param unknown $folder
* @param string $method Which method to use when creating
* @param string $url Where to redirect after creation
* @param bool|string $context folder to create folder in
* @throws Util_WpFile_FilesystemMkdirException
*/
static private function create_folder( $folder, $from_folder ) {
if ( @is_dir( $folder ) )
return;
if ( Util_File::mkdir_from_safe( $folder, $from_folder ) )
return;
try {
self::request_filesystem_credentials();
} catch ( Util_WpFile_FilesystemOperationException $ex ) {
throw new Util_WpFile_FilesystemMkdirException( $ex->getMessage(),
$ex->credentials_form(), $folder );
}
global $wp_filesystem;
if ( !$wp_filesystem->mkdir( $folder, FS_CHMOD_DIR ) ) {
throw new Util_WpFile_FilesystemMkdirException(
'FTP credentials don\'t allow to create folder <strong>' .
$folder . '</strong>',
self::get_filesystem_credentials_form(),
$folder );
}
}
/**
*
*
* @param unknown $folder
* @param string $method Which method to use when creating
* @param string $url Where to redirect after creation
* @param bool|string $context folder to create folder in
* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
static public function create_writeable_folder( $folder, $from_folder ) {
self::create_folder( $folder, $from_folder );
$permissions = array( 0755, 0775, 0777 );
for ( $set_index = 0; $set_index < count( $permissions ); $set_index++ ) {
if ( is_writable( $folder ) )
break;
self::chmod( $folder, $permissions[$set_index] );
}
}
/**
*
*
* @param unknown $folder
* @param string $method Which method to use when creating
* @param string $url Where to redirect after creation
* @param bool|string $context path folder where delete folders resides
* @throws Util_WpFile_FilesystemRmdirException
*/
static public function delete_folder( $folder ) {
if ( !@is_dir( $folder ) )
return;
Util_File::rmdir( $folder );
if ( !@is_dir( $folder ) )
return;
try {
self::request_filesystem_credentials();
} catch ( Util_WpFile_FilesystemOperationException $ex ) {
throw new Util_WpFile_FilesystemRmdirException( $ex->getMessage(),
$ex->credentials_form(), $folder );
}
global $wp_filesystem;
if ( !$wp_filesystem->rmdir( $folder ) ) {
throw new Util_WpFile_FilesystemRmdirException(
__( 'FTP credentials don\'t allow to delete folder ', 'w3-total-cache' ) .
'<strong>' . $folder . '</strong>',
self::get_filesystem_credentials_form(),
$folder );
}
}
/**
*
*
* @param string $filename
* @param int $permission
* @return void
* @throws Util_WpFile_FilesystemChmodException
*/
static private function chmod( $filename, $permission ) {
if ( @chmod( $filename, $permission ) )
return;
try {
self::request_filesystem_credentials();
} catch ( Util_WpFile_FilesystemOperationException $ex ) {
throw new Util_WpFile_FilesystemChmodException( $ex->getMessage(),
$ex->credentials_form(), $filename, $permission );
}
global $wp_filesystem;
if ( !$wp_filesystem->chmod( $filename, $permission, true ) ) {
throw new Util_WpFile_FilesystemChmodException(
__( 'FTP credentials don\'t allow to chmod ', 'w3-total-cache' ) .
'<strong>' . $filename . '</strong>',
self::get_filesystem_credentials_form(),
$filename, $permission );
}
return true;
}
/**
*
*
* @param unknown $file
* @param string $method
* @param string $url
* @param bool|string $context folder where file to be deleted resides
* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
*/
static public function delete_file( $filename ) {
if ( !@file_exists( $filename ) )
return;
if ( @unlink( $filename ) )
return;
try {
self::request_filesystem_credentials();
} catch ( Util_WpFile_FilesystemOperationException $ex ) {
throw new Util_WpFile_FilesystemRmException( $ex->getMessage(),
$ex->credentials_form(), $filename );
}
global $wp_filesystem;
if ( !$wp_filesystem->delete( $filename ) ) {
throw new Util_WpFile_FilesystemRmException(
__( 'FTP credentials don\'t allow to delete ', 'w3-total-cache' ) .
'<strong>' . $filename . '</strong>',
self::get_filesystem_credentials_form(),
$filename );
}
}
/**
* Get WordPress filesystems credentials. Required for WP filesystem usage.
*
* @param string $method Which method to use when creating
* @param string $url Where to redirect after creation
* @param bool|string $context path to folder that should be have filesystem credentials.
* If false WP_CONTENT_DIR is assumed
* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
*/
private static function request_filesystem_credentials( $method = '', $url = '', $context = false ) {
if ( strlen( $url ) <= 0 ) {
$url = isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
}
$url = preg_replace( '/&w3tc_note=([^&]+)/', '', $url );
// Ensure request_filesystem_credentials() is available.
require_once ABSPATH . 'wp-admin/includes/file.php';
require_once ABSPATH . 'wp-admin/includes/template.php';
$success = true;
ob_start();
if ( false === ( $creds = request_filesystem_credentials( $url, $method, false, $context, array() ) ) ) {
$success = false;
}
$form = ob_get_contents();
ob_end_clean();
ob_start();
// If first check failed try again and show error message
if ( !WP_Filesystem( $creds ) && $success ) {
request_filesystem_credentials( $url, $method, true, false, array() );
$success = false;
$form = ob_get_contents();
}
ob_end_clean();
$error = '';
if ( preg_match( "/<div([^c]+)class=\"error\">(.+)<\/div>/", $form, $matches ) ) {
$error = $matches[2];
$form = str_replace( $matches[0], '', $form );
}
if ( !$success ) {
throw new Util_WpFile_FilesystemOperationException( $error, $form );
}
}
/**
*
*
* @param string $method
* @param string $url
* @param bool|string $context
* @return Util_WpFile_FilesystemOperationException with S/FTP form
*/
static private function get_filesystem_credentials_form( $method = '', $url = '',
$context = false ) {
// Ensure request_filesystem_credentials() is available.
require_once ABSPATH . 'wp-admin/includes/file.php';
require_once ABSPATH . 'wp-admin/includes/template.php';
ob_start();
// If first check failed try again and show error message
request_filesystem_credentials( $url, $method, true, false, array() );
$success = false;
$form = ob_get_contents();
ob_end_clean();
$error = '';
if ( preg_match( "/<div([^c]+)class=\"error\">(.+)<\/div>/", $form, $matches ) ) {
$form = str_replace( $matches[0], '', $form );
}
$form = str_replace( '<input ', '<input class="w3tc-ignore-change" ', $form );
return $form;
}
}