1297 lines
51 KiB
PHP
1297 lines
51 KiB
PHP
<?php
|
|
/**
|
|
* Filesystem API: Top-level functionality
|
|
*
|
|
* Functions for reading, writing, modifying, and deleting files on the file system.
|
|
* Includes functionality for theme-specific files as well as operations for uploading,
|
|
* archiving, and rendering output when necessary.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Filesystem
|
|
* @since 2.3.0
|
|
*/
|
|
|
|
/** The descriptions for theme files. */
|
|
$wp_file_descriptions = array(
|
|
'functions.php' => __( 'Theme Functions' ),
|
|
'header.php' => __( 'Theme Header' ),
|
|
'footer.php' => __( 'Theme Footer' ),
|
|
'sidebar.php' => __( 'Sidebar' ),
|
|
'comments.php' => __( 'Comments' ),
|
|
'searchform.php' => __( 'Search Form' ),
|
|
'404.php' => __( '404 Template' ),
|
|
'link.php' => __( 'Links Template' ),
|
|
// Archives
|
|
'index.php' => __( 'Main Index Template' ),
|
|
'archive.php' => __( 'Archives' ),
|
|
'author.php' => __( 'Author Template' ),
|
|
'taxonomy.php' => __( 'Taxonomy Template' ),
|
|
'category.php' => __( 'Category Template' ),
|
|
'tag.php' => __( 'Tag Template' ),
|
|
'home.php' => __( 'Posts Page' ),
|
|
'search.php' => __( 'Search Results' ),
|
|
'date.php' => __( 'Date Template' ),
|
|
// Content
|
|
'singular.php' => __( 'Singular Template' ),
|
|
'single.php' => __( 'Single Post' ),
|
|
'page.php' => __( 'Single Page' ),
|
|
'front-page.php' => __( 'Static Front Page' ),
|
|
// Attachments
|
|
'attachment.php' => __( 'Attachment Template' ),
|
|
'image.php' => __( 'Image Attachment Template' ),
|
|
'video.php' => __( 'Video Attachment Template' ),
|
|
'audio.php' => __( 'Audio Attachment Template' ),
|
|
'application.php' => __( 'Application Attachment Template' ),
|
|
// Embeds
|
|
'embed.php' => __( 'Embed Template' ),
|
|
'embed-404.php' => __( 'Embed 404 Template' ),
|
|
'embed-content.php' => __( 'Embed Content Template' ),
|
|
'header-embed.php' => __( 'Embed Header Template' ),
|
|
'footer-embed.php' => __( 'Embed Footer Template' ),
|
|
// Stylesheets
|
|
'style.css' => __( 'Stylesheet' ),
|
|
'editor-style.css' => __( 'Visual Editor Stylesheet' ),
|
|
'editor-style-rtl.css' => __( 'Visual Editor RTL Stylesheet' ),
|
|
'rtl.css' => __( 'RTL Stylesheet' ),
|
|
// Other
|
|
'my-hacks.php' => __( 'my-hacks.php (legacy hacks support)' ),
|
|
'.htaccess' => __( '.htaccess (for rewrite rules )' ),
|
|
// Deprecated files
|
|
'wp-layout.css' => __( 'Stylesheet' ),
|
|
'wp-comments.php' => __( 'Comments Template' ),
|
|
'wp-comments-popup.php' => __( 'Popup Comments Template' ),
|
|
'comments-popup.php' => __( 'Popup Comments' ),
|
|
);
|
|
|
|
/**
|
|
* Get the description for standard WordPress theme files and other various standard
|
|
* WordPress files
|
|
*
|
|
* @since 1.5.0
|
|
*
|
|
* @global array $wp_file_descriptions
|
|
* @param string $file Filesystem path or filename
|
|
* @return string Description of file from $wp_file_descriptions or basename of $file if description doesn't exist.
|
|
* Appends 'Page Template' to basename of $file if the file is a page template
|
|
*/
|
|
function get_file_description( $file ) {
|
|
global $wp_file_descriptions, $allowed_files;
|
|
|
|
$dirname = pathinfo( $file, PATHINFO_DIRNAME );
|
|
|
|
$file_path = $allowed_files[ $file ];
|
|
if ( isset( $wp_file_descriptions[ basename( $file ) ] ) && '.' === $dirname ) {
|
|
return $wp_file_descriptions[ basename( $file ) ];
|
|
} elseif ( file_exists( $file_path ) && is_file( $file_path ) ) {
|
|
$template_data = implode( '', file( $file_path ) );
|
|
if ( preg_match( '|Template Name:(.*)$|mi', $template_data, $name ) ) {
|
|
return sprintf( __( '%s Page Template' ), _cleanup_header_comment( $name[1] ) );
|
|
}
|
|
}
|
|
|
|
return trim( basename( $file ) );
|
|
}
|
|
|
|
/**
|
|
* Get the absolute filesystem path to the root of the WordPress installation
|
|
*
|
|
* @since 1.5.0
|
|
*
|
|
* @return string Full filesystem path to the root of the WordPress installation
|
|
*/
|
|
function get_home_path() {
|
|
$home = set_url_scheme( get_option( 'home' ), 'http' );
|
|
$siteurl = set_url_scheme( get_option( 'siteurl' ), 'http' );
|
|
if ( ! empty( $home ) && 0 !== strcasecmp( $home, $siteurl ) ) {
|
|
$wp_path_rel_to_home = str_ireplace( $home, '', $siteurl ); /* $siteurl - $home */
|
|
$pos = strripos( str_replace( '\\', '/', $_SERVER['SCRIPT_FILENAME'] ), trailingslashit( $wp_path_rel_to_home ) );
|
|
$home_path = substr( $_SERVER['SCRIPT_FILENAME'], 0, $pos );
|
|
$home_path = trailingslashit( $home_path );
|
|
} else {
|
|
$home_path = ABSPATH;
|
|
}
|
|
|
|
return str_replace( '\\', '/', $home_path );
|
|
}
|
|
|
|
/**
|
|
* Returns a listing of all files in the specified folder and all subdirectories up to 100 levels deep.
|
|
* The depth of the recursiveness can be controlled by the $levels param.
|
|
*
|
|
* @since 2.6.0
|
|
*
|
|
* @param string $folder Optional. Full path to folder. Default empty.
|
|
* @param int $levels Optional. Levels of folders to follow, Default 100 (PHP Loop limit).
|
|
* @return bool|array False on failure, Else array of files
|
|
*/
|
|
function list_files( $folder = '', $levels = 100 ) {
|
|
if ( empty($folder) )
|
|
return false;
|
|
|
|
if ( ! $levels )
|
|
return false;
|
|
|
|
$files = array();
|
|
if ( $dir = @opendir( $folder ) ) {
|
|
while (($file = readdir( $dir ) ) !== false ) {
|
|
if ( in_array($file, array('.', '..') ) )
|
|
continue;
|
|
if ( is_dir( $folder . '/' . $file ) ) {
|
|
$files2 = list_files( $folder . '/' . $file, $levels - 1);
|
|
if ( $files2 )
|
|
$files = array_merge($files, $files2 );
|
|
else
|
|
$files[] = $folder . '/' . $file . '/';
|
|
} else {
|
|
$files[] = $folder . '/' . $file;
|
|
}
|
|
}
|
|
}
|
|
@closedir( $dir );
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Returns a filename of a Temporary unique file.
|
|
* Please note that the calling function must unlink() this itself.
|
|
*
|
|
* The filename is based off the passed parameter or defaults to the current unix timestamp,
|
|
* while the directory can either be passed as well, or by leaving it blank, default to a writable temporary directory.
|
|
*
|
|
* @since 2.6.0
|
|
*
|
|
* @param string $filename Optional. Filename to base the Unique file off. Default empty.
|
|
* @param string $dir Optional. Directory to store the file in. Default empty.
|
|
* @return string a writable filename
|
|
*/
|
|
function wp_tempnam( $filename = '', $dir = '' ) {
|
|
if ( empty( $dir ) ) {
|
|
$dir = get_temp_dir();
|
|
}
|
|
|
|
if ( empty( $filename ) || '.' == $filename || '/' == $filename || '\\' == $filename ) {
|
|
$filename = time();
|
|
}
|
|
|
|
// Use the basename of the given file without the extension as the name for the temporary directory
|
|
$temp_filename = basename( $filename );
|
|
$temp_filename = preg_replace( '|\.[^.]*$|', '', $temp_filename );
|
|
|
|
// If the folder is falsey, use its parent directory name instead.
|
|
if ( ! $temp_filename ) {
|
|
return wp_tempnam( dirname( $filename ), $dir );
|
|
}
|
|
|
|
// Suffix some random data to avoid filename conflicts
|
|
$temp_filename .= '-' . wp_generate_password( 6, false );
|
|
$temp_filename .= '.tmp';
|
|
$temp_filename = $dir . wp_unique_filename( $dir, $temp_filename );
|
|
|
|
$fp = @fopen( $temp_filename, 'x' );
|
|
if ( ! $fp && is_writable( $dir ) && file_exists( $temp_filename ) ) {
|
|
return wp_tempnam( $filename, $dir );
|
|
}
|
|
if ( $fp ) {
|
|
fclose( $fp );
|
|
}
|
|
|
|
return $temp_filename;
|
|
}
|
|
|
|
/**
|
|
* Make sure that the file that was requested to edit, is allowed to be edited
|
|
*
|
|
* Function will die if you are not allowed to edit the file
|
|
*
|
|
* @since 1.5.0
|
|
*
|
|
* @param string $file file the users is attempting to edit
|
|
* @param array $allowed_files Array of allowed files to edit, $file must match an entry exactly
|
|
* @return string|null
|
|
*/
|
|
function validate_file_to_edit( $file, $allowed_files = '' ) {
|
|
$code = validate_file( $file, $allowed_files );
|
|
|
|
if (!$code )
|
|
return $file;
|
|
|
|
switch ( $code ) {
|
|
case 1 :
|
|
wp_die( __( 'Sorry, that file cannot be edited.' ) );
|
|
|
|
// case 2 :
|
|
// wp_die( __('Sorry, can’t call files with their real path.' ));
|
|
|
|
case 3 :
|
|
wp_die( __( 'Sorry, that file cannot be edited.' ) );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handle PHP uploads in WordPress, sanitizing file names, checking extensions for mime type,
|
|
* and moving the file to the appropriate directory within the uploads directory.
|
|
*
|
|
* @access private
|
|
* @since 4.0.0
|
|
*
|
|
* @see wp_handle_upload_error
|
|
*
|
|
* @param array $file Reference to a single element of $_FILES. Call the function once for each uploaded file.
|
|
* @param array|false $overrides An associative array of names => values to override default variables. Default false.
|
|
* @param string $time Time formatted in 'yyyy/mm'.
|
|
* @param string $action Expected value for $_POST['action'].
|
|
* @return array On success, returns an associative array of file attributes. On failure, returns
|
|
* $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
|
|
*/
|
|
function _wp_handle_upload( &$file, $overrides, $time, $action ) {
|
|
// The default error handler.
|
|
if ( ! function_exists( 'wp_handle_upload_error' ) ) {
|
|
function wp_handle_upload_error( &$file, $message ) {
|
|
return array( 'error' => $message );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters the data for a file before it is uploaded to WordPress.
|
|
*
|
|
* The dynamic portion of the hook name, `$action`, refers to the post action.
|
|
*
|
|
* @since 2.9.0 as 'wp_handle_upload_prefilter'.
|
|
* @since 4.0.0 Converted to a dynamic hook with `$action`.
|
|
*
|
|
* @param array $file An array of data for a single file.
|
|
*/
|
|
$file = apply_filters( "{$action}_prefilter", $file );
|
|
|
|
// You may define your own function and pass the name in $overrides['upload_error_handler']
|
|
$upload_error_handler = 'wp_handle_upload_error';
|
|
if ( isset( $overrides['upload_error_handler'] ) ) {
|
|
$upload_error_handler = $overrides['upload_error_handler'];
|
|
}
|
|
|
|
// You may have had one or more 'wp_handle_upload_prefilter' functions error out the file. Handle that gracefully.
|
|
if ( isset( $file['error'] ) && ! is_numeric( $file['error'] ) && $file['error'] ) {
|
|
return call_user_func_array( $upload_error_handler, array( &$file, $file['error'] ) );
|
|
}
|
|
|
|
// Install user overrides. Did we mention that this voids your warranty?
|
|
|
|
// You may define your own function and pass the name in $overrides['unique_filename_callback']
|
|
$unique_filename_callback = null;
|
|
if ( isset( $overrides['unique_filename_callback'] ) ) {
|
|
$unique_filename_callback = $overrides['unique_filename_callback'];
|
|
}
|
|
|
|
/*
|
|
* This may not have orignially been intended to be overrideable,
|
|
* but historically has been.
|
|
*/
|
|
if ( isset( $overrides['upload_error_strings'] ) ) {
|
|
$upload_error_strings = $overrides['upload_error_strings'];
|
|
} else {
|
|
// Courtesy of php.net, the strings that describe the error indicated in $_FILES[{form field}]['error'].
|
|
$upload_error_strings = array(
|
|
false,
|
|
__( 'The uploaded file exceeds the upload_max_filesize directive in php.ini.' ),
|
|
__( 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.' ),
|
|
__( 'The uploaded file was only partially uploaded.' ),
|
|
__( 'No file was uploaded.' ),
|
|
'',
|
|
__( 'Missing a temporary folder.' ),
|
|
__( 'Failed to write file to disk.' ),
|
|
__( 'File upload stopped by extension.' )
|
|
);
|
|
}
|
|
|
|
// All tests are on by default. Most can be turned off by $overrides[{test_name}] = false;
|
|
$test_form = isset( $overrides['test_form'] ) ? $overrides['test_form'] : true;
|
|
$test_size = isset( $overrides['test_size'] ) ? $overrides['test_size'] : true;
|
|
|
|
// If you override this, you must provide $ext and $type!!
|
|
$test_type = isset( $overrides['test_type'] ) ? $overrides['test_type'] : true;
|
|
$mimes = isset( $overrides['mimes'] ) ? $overrides['mimes'] : false;
|
|
|
|
// A correct form post will pass this test.
|
|
if ( $test_form && ( ! isset( $_POST['action'] ) || ( $_POST['action'] != $action ) ) ) {
|
|
return call_user_func_array( $upload_error_handler, array( &$file, __( 'Invalid form submission.' ) ) );
|
|
}
|
|
// A successful upload will pass this test. It makes no sense to override this one.
|
|
if ( isset( $file['error'] ) && $file['error'] > 0 ) {
|
|
return call_user_func_array( $upload_error_handler, array( &$file, $upload_error_strings[ $file['error'] ] ) );
|
|
}
|
|
|
|
$test_file_size = 'wp_handle_upload' === $action ? $file['size'] : filesize( $file['tmp_name'] );
|
|
// A non-empty file will pass this test.
|
|
if ( $test_size && ! ( $test_file_size > 0 ) ) {
|
|
if ( is_multisite() ) {
|
|
$error_msg = __( 'File is empty. Please upload something more substantial.' );
|
|
} else {
|
|
$error_msg = __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.' );
|
|
}
|
|
return call_user_func_array( $upload_error_handler, array( &$file, $error_msg ) );
|
|
}
|
|
|
|
// A properly uploaded file will pass this test. There should be no reason to override this one.
|
|
$test_uploaded_file = 'wp_handle_upload' === $action ? @ is_uploaded_file( $file['tmp_name'] ) : @ is_file( $file['tmp_name'] );
|
|
if ( ! $test_uploaded_file ) {
|
|
return call_user_func_array( $upload_error_handler, array( &$file, __( 'Specified file failed upload test.' ) ) );
|
|
}
|
|
|
|
// A correct MIME type will pass this test. Override $mimes or use the upload_mimes filter.
|
|
if ( $test_type ) {
|
|
$wp_filetype = wp_check_filetype_and_ext( $file['tmp_name'], $file['name'], $mimes );
|
|
$ext = empty( $wp_filetype['ext'] ) ? '' : $wp_filetype['ext'];
|
|
$type = empty( $wp_filetype['type'] ) ? '' : $wp_filetype['type'];
|
|
$proper_filename = empty( $wp_filetype['proper_filename'] ) ? '' : $wp_filetype['proper_filename'];
|
|
|
|
// Check to see if wp_check_filetype_and_ext() determined the filename was incorrect
|
|
if ( $proper_filename ) {
|
|
$file['name'] = $proper_filename;
|
|
}
|
|
if ( ( ! $type || !$ext ) && ! current_user_can( 'unfiltered_upload' ) ) {
|
|
return call_user_func_array( $upload_error_handler, array( &$file, __( 'Sorry, this file type is not permitted for security reasons.' ) ) );
|
|
}
|
|
if ( ! $type ) {
|
|
$type = $file['type'];
|
|
}
|
|
} else {
|
|
$type = '';
|
|
}
|
|
|
|
/*
|
|
* A writable uploads dir will pass this test. Again, there's no point
|
|
* overriding this one.
|
|
*/
|
|
if ( ! ( ( $uploads = wp_upload_dir( $time ) ) && false === $uploads['error'] ) ) {
|
|
return call_user_func_array( $upload_error_handler, array( &$file, $uploads['error'] ) );
|
|
}
|
|
|
|
$filename = wp_unique_filename( $uploads['path'], $file['name'], $unique_filename_callback );
|
|
|
|
// Move the file to the uploads dir.
|
|
$new_file = $uploads['path'] . "/$filename";
|
|
if ( 'wp_handle_upload' === $action ) {
|
|
$move_new_file = @ move_uploaded_file( $file['tmp_name'], $new_file );
|
|
} else {
|
|
// use copy and unlink because rename breaks streams.
|
|
$move_new_file = @ copy( $file['tmp_name'], $new_file );
|
|
unlink( $file['tmp_name'] );
|
|
}
|
|
|
|
if ( false === $move_new_file ) {
|
|
if ( 0 === strpos( $uploads['basedir'], ABSPATH ) ) {
|
|
$error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir'];
|
|
} else {
|
|
$error_path = basename( $uploads['basedir'] ) . $uploads['subdir'];
|
|
}
|
|
return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $error_path ) );
|
|
}
|
|
|
|
// Set correct file permissions.
|
|
$stat = stat( dirname( $new_file ));
|
|
$perms = $stat['mode'] & 0000666;
|
|
@ chmod( $new_file, $perms );
|
|
|
|
// Compute the URL.
|
|
$url = $uploads['url'] . "/$filename";
|
|
|
|
if ( is_multisite() ) {
|
|
delete_transient( 'dirsize_cache' );
|
|
}
|
|
|
|
/**
|
|
* Filters the data array for the uploaded file.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param array $upload {
|
|
* Array of upload data.
|
|
*
|
|
* @type string $file Filename of the newly-uploaded file.
|
|
* @type string $url URL of the uploaded file.
|
|
* @type string $type File type.
|
|
* }
|
|
* @param string $context The type of upload action. Values include 'upload' or 'sideload'.
|
|
*/
|
|
return apply_filters( 'wp_handle_upload', array(
|
|
'file' => $new_file,
|
|
'url' => $url,
|
|
'type' => $type
|
|
), 'wp_handle_sideload' === $action ? 'sideload' : 'upload' );
|
|
}
|
|
|
|
/**
|
|
* Wrapper for _wp_handle_upload().
|
|
*
|
|
* Passes the {@see 'wp_handle_upload'} action.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @see _wp_handle_upload()
|
|
*
|
|
* @param array $file Reference to a single element of `$_FILES`. Call the function once for
|
|
* each uploaded file.
|
|
* @param array|bool $overrides Optional. An associative array of names=>values to override default
|
|
* variables. Default false.
|
|
* @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
|
|
* @return array On success, returns an associative array of file attributes. On failure, returns
|
|
* $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
|
|
*/
|
|
function wp_handle_upload( &$file, $overrides = false, $time = null ) {
|
|
/*
|
|
* $_POST['action'] must be set and its value must equal $overrides['action']
|
|
* or this:
|
|
*/
|
|
$action = 'wp_handle_upload';
|
|
if ( isset( $overrides['action'] ) ) {
|
|
$action = $overrides['action'];
|
|
}
|
|
|
|
return _wp_handle_upload( $file, $overrides, $time, $action );
|
|
}
|
|
|
|
/**
|
|
* Wrapper for _wp_handle_upload().
|
|
*
|
|
* Passes the {@see 'wp_handle_sideload'} action.
|
|
*
|
|
* @since 2.6.0
|
|
*
|
|
* @see _wp_handle_upload()
|
|
*
|
|
* @param array $file An array similar to that of a PHP `$_FILES` POST array
|
|
* @param array|bool $overrides Optional. An associative array of names=>values to override default
|
|
* variables. Default false.
|
|
* @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
|
|
* @return array On success, returns an associative array of file attributes. On failure, returns
|
|
* $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
|
|
*/
|
|
function wp_handle_sideload( &$file, $overrides = false, $time = null ) {
|
|
/*
|
|
* $_POST['action'] must be set and its value must equal $overrides['action']
|
|
* or this:
|
|
*/
|
|
$action = 'wp_handle_sideload';
|
|
if ( isset( $overrides['action'] ) ) {
|
|
$action = $overrides['action'];
|
|
}
|
|
return _wp_handle_upload( $file, $overrides, $time, $action );
|
|
}
|
|
|
|
|
|
/**
|
|
* Downloads a URL to a local temporary file using the WordPress HTTP Class.
|
|
* Please note, That the calling function must unlink() the file.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string $url the URL of the file to download
|
|
* @param int $timeout The timeout for the request to download the file default 300 seconds
|
|
* @return mixed WP_Error on failure, string Filename on success.
|
|
*/
|
|
function download_url( $url, $timeout = 300 ) {
|
|
//WARNING: The file is not automatically deleted, The script must unlink() the file.
|
|
if ( ! $url )
|
|
return new WP_Error('http_no_url', __('Invalid URL Provided.'));
|
|
|
|
$url_filename = basename( parse_url( $url, PHP_URL_PATH ) );
|
|
|
|
$tmpfname = wp_tempnam( $url_filename );
|
|
if ( ! $tmpfname )
|
|
return new WP_Error('http_no_file', __('Could not create Temporary file.'));
|
|
|
|
$response = wp_safe_remote_get( $url, array( 'timeout' => $timeout, 'stream' => true, 'filename' => $tmpfname ) );
|
|
|
|
if ( is_wp_error( $response ) ) {
|
|
unlink( $tmpfname );
|
|
return $response;
|
|
}
|
|
|
|
if ( 200 != wp_remote_retrieve_response_code( $response ) ){
|
|
unlink( $tmpfname );
|
|
return new WP_Error( 'http_404', trim( wp_remote_retrieve_response_message( $response ) ) );
|
|
}
|
|
|
|
$content_md5 = wp_remote_retrieve_header( $response, 'content-md5' );
|
|
if ( $content_md5 ) {
|
|
$md5_check = verify_file_md5( $tmpfname, $content_md5 );
|
|
if ( is_wp_error( $md5_check ) ) {
|
|
unlink( $tmpfname );
|
|
return $md5_check;
|
|
}
|
|
}
|
|
|
|
return $tmpfname;
|
|
}
|
|
|
|
/**
|
|
* Calculates and compares the MD5 of a file to its expected value.
|
|
*
|
|
* @since 3.7.0
|
|
*
|
|
* @param string $filename The filename to check the MD5 of.
|
|
* @param string $expected_md5 The expected MD5 of the file, either a base64 encoded raw md5, or a hex-encoded md5
|
|
* @return bool|object WP_Error on failure, true on success, false when the MD5 format is unknown/unexpected
|
|
*/
|
|
function verify_file_md5( $filename, $expected_md5 ) {
|
|
if ( 32 == strlen( $expected_md5 ) )
|
|
$expected_raw_md5 = pack( 'H*', $expected_md5 );
|
|
elseif ( 24 == strlen( $expected_md5 ) )
|
|
$expected_raw_md5 = base64_decode( $expected_md5 );
|
|
else
|
|
return false; // unknown format
|
|
|
|
$file_md5 = md5_file( $filename, true );
|
|
|
|
if ( $file_md5 === $expected_raw_md5 )
|
|
return true;
|
|
|
|
return new WP_Error( 'md5_mismatch', sprintf( __( 'The checksum of the file (%1$s) does not match the expected checksum value (%2$s).' ), bin2hex( $file_md5 ), bin2hex( $expected_raw_md5 ) ) );
|
|
}
|
|
|
|
/**
|
|
* Unzips a specified ZIP file to a location on the Filesystem via the WordPress Filesystem Abstraction.
|
|
* Assumes that WP_Filesystem() has already been called and set up. Does not extract a root-level __MACOSX directory, if present.
|
|
*
|
|
* Attempts to increase the PHP Memory limit to 256M before uncompressing,
|
|
* However, The most memory required shouldn't be much larger than the Archive itself.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem Subclass
|
|
*
|
|
* @param string $file Full path and filename of zip archive
|
|
* @param string $to Full path on the filesystem to extract archive to
|
|
* @return mixed WP_Error on failure, True on success
|
|
*/
|
|
function unzip_file($file, $to) {
|
|
global $wp_filesystem;
|
|
|
|
if ( ! $wp_filesystem || !is_object($wp_filesystem) )
|
|
return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
|
|
|
|
// Unzip can use a lot of memory, but not this much hopefully.
|
|
wp_raise_memory_limit( 'admin' );
|
|
|
|
$needed_dirs = array();
|
|
$to = trailingslashit($to);
|
|
|
|
// Determine any parent dir's needed (of the upgrade directory)
|
|
if ( ! $wp_filesystem->is_dir($to) ) { //Only do parents if no children exist
|
|
$path = preg_split('![/\\\]!', untrailingslashit($to));
|
|
for ( $i = count($path); $i >= 0; $i-- ) {
|
|
if ( empty($path[$i]) )
|
|
continue;
|
|
|
|
$dir = implode('/', array_slice($path, 0, $i+1) );
|
|
if ( preg_match('!^[a-z]:$!i', $dir) ) // Skip it if it looks like a Windows Drive letter.
|
|
continue;
|
|
|
|
if ( ! $wp_filesystem->is_dir($dir) )
|
|
$needed_dirs[] = $dir;
|
|
else
|
|
break; // A folder exists, therefor, we dont need the check the levels below this
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters whether to use ZipArchive to unzip archives.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param bool $ziparchive Whether to use ZipArchive. Default true.
|
|
*/
|
|
if ( class_exists( 'ZipArchive', false ) && apply_filters( 'unzip_file_use_ziparchive', true ) ) {
|
|
$result = _unzip_file_ziparchive($file, $to, $needed_dirs);
|
|
if ( true === $result ) {
|
|
return $result;
|
|
} elseif ( is_wp_error($result) ) {
|
|
if ( 'incompatible_archive' != $result->get_error_code() )
|
|
return $result;
|
|
}
|
|
}
|
|
// Fall through to PclZip if ZipArchive is not available, or encountered an error opening the file.
|
|
return _unzip_file_pclzip($file, $to, $needed_dirs);
|
|
}
|
|
|
|
/**
|
|
* This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the ZipArchive class.
|
|
* Assumes that WP_Filesystem() has already been called and set up.
|
|
*
|
|
* @since 3.0.0
|
|
* @see unzip_file
|
|
* @access private
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem Subclass
|
|
*
|
|
* @param string $file Full path and filename of zip archive
|
|
* @param string $to Full path on the filesystem to extract archive to
|
|
* @param array $needed_dirs A partial list of required folders needed to be created.
|
|
* @return mixed WP_Error on failure, True on success
|
|
*/
|
|
function _unzip_file_ziparchive($file, $to, $needed_dirs = array() ) {
|
|
global $wp_filesystem;
|
|
|
|
$z = new ZipArchive();
|
|
|
|
$zopen = $z->open( $file, ZIPARCHIVE::CHECKCONS );
|
|
if ( true !== $zopen )
|
|
return new WP_Error( 'incompatible_archive', __( 'Incompatible Archive.' ), array( 'ziparchive_error' => $zopen ) );
|
|
|
|
$uncompressed_size = 0;
|
|
|
|
for ( $i = 0; $i < $z->numFiles; $i++ ) {
|
|
if ( ! $info = $z->statIndex($i) )
|
|
return new WP_Error( 'stat_failed_ziparchive', __( 'Could not retrieve file from archive.' ) );
|
|
|
|
if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Skip the OS X-created __MACOSX directory
|
|
continue;
|
|
|
|
$uncompressed_size += $info['size'];
|
|
|
|
if ( '/' === substr( $info['name'], -1 ) ) {
|
|
// Directory.
|
|
$needed_dirs[] = $to . untrailingslashit( $info['name'] );
|
|
} elseif ( '.' !== $dirname = dirname( $info['name'] ) ) {
|
|
// Path to a file.
|
|
$needed_dirs[] = $to . untrailingslashit( $dirname );
|
|
}
|
|
}
|
|
|
|
/*
|
|
* disk_free_space() could return false. Assume that any falsey value is an error.
|
|
* A disk that has zero free bytes has bigger problems.
|
|
* Require we have enough space to unzip the file and copy its contents, with a 10% buffer.
|
|
*/
|
|
if ( defined( 'DOING_CRON' ) && DOING_CRON ) {
|
|
$available_space = @disk_free_space( WP_CONTENT_DIR );
|
|
if ( $available_space && ( $uncompressed_size * 2.1 ) > $available_space )
|
|
return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) );
|
|
}
|
|
|
|
$needed_dirs = array_unique($needed_dirs);
|
|
foreach ( $needed_dirs as $dir ) {
|
|
// Check the parent folders of the folders all exist within the creation array.
|
|
if ( untrailingslashit($to) == $dir ) // Skip over the working directory, We know this exists (or will exist)
|
|
continue;
|
|
if ( strpos($dir, $to) === false ) // If the directory is not within the working directory, Skip it
|
|
continue;
|
|
|
|
$parent_folder = dirname($dir);
|
|
while ( !empty($parent_folder) && untrailingslashit($to) != $parent_folder && !in_array($parent_folder, $needed_dirs) ) {
|
|
$needed_dirs[] = $parent_folder;
|
|
$parent_folder = dirname($parent_folder);
|
|
}
|
|
}
|
|
asort($needed_dirs);
|
|
|
|
// Create those directories if need be:
|
|
foreach ( $needed_dirs as $_dir ) {
|
|
// Only check to see if the Dir exists upon creation failure. Less I/O this way.
|
|
if ( ! $wp_filesystem->mkdir( $_dir, FS_CHMOD_DIR ) && ! $wp_filesystem->is_dir( $_dir ) ) {
|
|
return new WP_Error( 'mkdir_failed_ziparchive', __( 'Could not create directory.' ), substr( $_dir, strlen( $to ) ) );
|
|
}
|
|
}
|
|
unset($needed_dirs);
|
|
|
|
for ( $i = 0; $i < $z->numFiles; $i++ ) {
|
|
if ( ! $info = $z->statIndex($i) )
|
|
return new WP_Error( 'stat_failed_ziparchive', __( 'Could not retrieve file from archive.' ) );
|
|
|
|
if ( '/' == substr($info['name'], -1) ) // directory
|
|
continue;
|
|
|
|
if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files
|
|
continue;
|
|
|
|
$contents = $z->getFromIndex($i);
|
|
if ( false === $contents )
|
|
return new WP_Error( 'extract_failed_ziparchive', __( 'Could not extract file from archive.' ), $info['name'] );
|
|
|
|
if ( ! $wp_filesystem->put_contents( $to . $info['name'], $contents, FS_CHMOD_FILE) )
|
|
return new WP_Error( 'copy_failed_ziparchive', __( 'Could not copy file.' ), $info['name'] );
|
|
}
|
|
|
|
$z->close();
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the PclZip library.
|
|
* Assumes that WP_Filesystem() has already been called and set up.
|
|
*
|
|
* @since 3.0.0
|
|
* @see unzip_file
|
|
* @access private
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem Subclass
|
|
*
|
|
* @param string $file Full path and filename of zip archive
|
|
* @param string $to Full path on the filesystem to extract archive to
|
|
* @param array $needed_dirs A partial list of required folders needed to be created.
|
|
* @return mixed WP_Error on failure, True on success
|
|
*/
|
|
function _unzip_file_pclzip($file, $to, $needed_dirs = array()) {
|
|
global $wp_filesystem;
|
|
|
|
mbstring_binary_safe_encoding();
|
|
|
|
require_once(ABSPATH . 'wp-admin/includes/class-pclzip.php');
|
|
|
|
$archive = new PclZip($file);
|
|
|
|
$archive_files = $archive->extract(PCLZIP_OPT_EXTRACT_AS_STRING);
|
|
|
|
reset_mbstring_encoding();
|
|
|
|
// Is the archive valid?
|
|
if ( !is_array($archive_files) )
|
|
return new WP_Error('incompatible_archive', __('Incompatible Archive.'), $archive->errorInfo(true));
|
|
|
|
if ( 0 == count($archive_files) )
|
|
return new WP_Error( 'empty_archive_pclzip', __( 'Empty archive.' ) );
|
|
|
|
$uncompressed_size = 0;
|
|
|
|
// Determine any children directories needed (From within the archive)
|
|
foreach ( $archive_files as $file ) {
|
|
if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Skip the OS X-created __MACOSX directory
|
|
continue;
|
|
|
|
$uncompressed_size += $file['size'];
|
|
|
|
$needed_dirs[] = $to . untrailingslashit( $file['folder'] ? $file['filename'] : dirname($file['filename']) );
|
|
}
|
|
|
|
/*
|
|
* disk_free_space() could return false. Assume that any falsey value is an error.
|
|
* A disk that has zero free bytes has bigger problems.
|
|
* Require we have enough space to unzip the file and copy its contents, with a 10% buffer.
|
|
*/
|
|
if ( defined( 'DOING_CRON' ) && DOING_CRON ) {
|
|
$available_space = @disk_free_space( WP_CONTENT_DIR );
|
|
if ( $available_space && ( $uncompressed_size * 2.1 ) > $available_space )
|
|
return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) );
|
|
}
|
|
|
|
$needed_dirs = array_unique($needed_dirs);
|
|
foreach ( $needed_dirs as $dir ) {
|
|
// Check the parent folders of the folders all exist within the creation array.
|
|
if ( untrailingslashit($to) == $dir ) // Skip over the working directory, We know this exists (or will exist)
|
|
continue;
|
|
if ( strpos($dir, $to) === false ) // If the directory is not within the working directory, Skip it
|
|
continue;
|
|
|
|
$parent_folder = dirname($dir);
|
|
while ( !empty($parent_folder) && untrailingslashit($to) != $parent_folder && !in_array($parent_folder, $needed_dirs) ) {
|
|
$needed_dirs[] = $parent_folder;
|
|
$parent_folder = dirname($parent_folder);
|
|
}
|
|
}
|
|
asort($needed_dirs);
|
|
|
|
// Create those directories if need be:
|
|
foreach ( $needed_dirs as $_dir ) {
|
|
// Only check to see if the dir exists upon creation failure. Less I/O this way.
|
|
if ( ! $wp_filesystem->mkdir( $_dir, FS_CHMOD_DIR ) && ! $wp_filesystem->is_dir( $_dir ) )
|
|
return new WP_Error( 'mkdir_failed_pclzip', __( 'Could not create directory.' ), substr( $_dir, strlen( $to ) ) );
|
|
}
|
|
unset($needed_dirs);
|
|
|
|
// Extract the files from the zip
|
|
foreach ( $archive_files as $file ) {
|
|
if ( $file['folder'] )
|
|
continue;
|
|
|
|
if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files
|
|
continue;
|
|
|
|
if ( ! $wp_filesystem->put_contents( $to . $file['filename'], $file['content'], FS_CHMOD_FILE) )
|
|
return new WP_Error( 'copy_failed_pclzip', __( 'Could not copy file.' ), $file['filename'] );
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Copies a directory from one location to another via the WordPress Filesystem Abstraction.
|
|
* Assumes that WP_Filesystem() has already been called and setup.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem Subclass
|
|
*
|
|
* @param string $from source directory
|
|
* @param string $to destination directory
|
|
* @param array $skip_list a list of files/folders to skip copying
|
|
* @return mixed WP_Error on failure, True on success.
|
|
*/
|
|
function copy_dir($from, $to, $skip_list = array() ) {
|
|
global $wp_filesystem;
|
|
|
|
$dirlist = $wp_filesystem->dirlist($from);
|
|
|
|
$from = trailingslashit($from);
|
|
$to = trailingslashit($to);
|
|
|
|
foreach ( (array) $dirlist as $filename => $fileinfo ) {
|
|
if ( in_array( $filename, $skip_list ) )
|
|
continue;
|
|
|
|
if ( 'f' == $fileinfo['type'] ) {
|
|
if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) {
|
|
// If copy failed, chmod file to 0644 and try again.
|
|
$wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE );
|
|
if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) )
|
|
return new WP_Error( 'copy_failed_copy_dir', __( 'Could not copy file.' ), $to . $filename );
|
|
}
|
|
} elseif ( 'd' == $fileinfo['type'] ) {
|
|
if ( !$wp_filesystem->is_dir($to . $filename) ) {
|
|
if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) )
|
|
return new WP_Error( 'mkdir_failed_copy_dir', __( 'Could not create directory.' ), $to . $filename );
|
|
}
|
|
|
|
// generate the $sub_skip_list for the subdirectory as a sub-set of the existing $skip_list
|
|
$sub_skip_list = array();
|
|
foreach ( $skip_list as $skip_item ) {
|
|
if ( 0 === strpos( $skip_item, $filename . '/' ) )
|
|
$sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item );
|
|
}
|
|
|
|
$result = copy_dir($from . $filename, $to . $filename, $sub_skip_list);
|
|
if ( is_wp_error($result) )
|
|
return $result;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Initialises and connects the WordPress Filesystem Abstraction classes.
|
|
* This function will include the chosen transport and attempt connecting.
|
|
*
|
|
* Plugins may add extra transports, And force WordPress to use them by returning
|
|
* the filename via the {@see 'filesystem_method_file'} filter.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global WP_Filesystem_Base $wp_filesystem Subclass
|
|
*
|
|
* @param array|false $args Optional. Connection args, These are passed directly to
|
|
* the `WP_Filesystem_*()` classes. Default false.
|
|
* @param string|false $context Optional. Context for get_filesystem_method(). Default false.
|
|
* @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
|
|
* @return null|bool false on failure, true on success.
|
|
*/
|
|
function WP_Filesystem( $args = false, $context = false, $allow_relaxed_file_ownership = false ) {
|
|
global $wp_filesystem;
|
|
|
|
require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php');
|
|
|
|
$method = get_filesystem_method( $args, $context, $allow_relaxed_file_ownership );
|
|
|
|
if ( ! $method )
|
|
return false;
|
|
|
|
if ( ! class_exists( "WP_Filesystem_$method" ) ) {
|
|
|
|
/**
|
|
* Filters the path for a specific filesystem method class file.
|
|
*
|
|
* @since 2.6.0
|
|
*
|
|
* @see get_filesystem_method()
|
|
*
|
|
* @param string $path Path to the specific filesystem method class file.
|
|
* @param string $method The filesystem method to use.
|
|
*/
|
|
$abstraction_file = apply_filters( 'filesystem_method_file', ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php', $method );
|
|
|
|
if ( ! file_exists($abstraction_file) )
|
|
return;
|
|
|
|
require_once($abstraction_file);
|
|
}
|
|
$method = "WP_Filesystem_$method";
|
|
|
|
$wp_filesystem = new $method($args);
|
|
|
|
//Define the timeouts for the connections. Only available after the construct is called to allow for per-transport overriding of the default.
|
|
if ( ! defined('FS_CONNECT_TIMEOUT') )
|
|
define('FS_CONNECT_TIMEOUT', 30);
|
|
if ( ! defined('FS_TIMEOUT') )
|
|
define('FS_TIMEOUT', 30);
|
|
|
|
if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
|
|
return false;
|
|
|
|
if ( !$wp_filesystem->connect() )
|
|
return false; //There was an error connecting to the server.
|
|
|
|
// Set the permission constants if not already set.
|
|
if ( ! defined('FS_CHMOD_DIR') )
|
|
define('FS_CHMOD_DIR', ( fileperms( ABSPATH ) & 0777 | 0755 ) );
|
|
if ( ! defined('FS_CHMOD_FILE') )
|
|
define('FS_CHMOD_FILE', ( fileperms( ABSPATH . 'index.php' ) & 0777 | 0644 ) );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Determines which method to use for reading, writing, modifying, or deleting
|
|
* files on the filesystem.
|
|
*
|
|
* The priority of the transports are: Direct, SSH2, FTP PHP Extension, FTP Sockets
|
|
* (Via Sockets class, or `fsockopen()`). Valid values for these are: 'direct', 'ssh2',
|
|
* 'ftpext' or 'ftpsockets'.
|
|
*
|
|
* The return value can be overridden by defining the `FS_METHOD` constant in `wp-config.php`,
|
|
* or filtering via {@see 'filesystem_method'}.
|
|
*
|
|
* @link https://codex.wordpress.org/Editing_wp-config.php#WordPress_Upgrade_Constants
|
|
*
|
|
* Plugins may define a custom transport handler, See WP_Filesystem().
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global callable $_wp_filesystem_direct_method
|
|
*
|
|
* @param array $args Optional. Connection details. Default empty array.
|
|
* @param string $context Optional. Full path to the directory that is tested
|
|
* for being writable. Default empty.
|
|
* @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable.
|
|
* Default false.
|
|
* @return string The transport to use, see description for valid return values.
|
|
*/
|
|
function get_filesystem_method( $args = array(), $context = '', $allow_relaxed_file_ownership = false ) {
|
|
$method = defined('FS_METHOD') ? FS_METHOD : false; // Please ensure that this is either 'direct', 'ssh2', 'ftpext' or 'ftpsockets'
|
|
|
|
if ( ! $context ) {
|
|
$context = WP_CONTENT_DIR;
|
|
}
|
|
|
|
// If the directory doesn't exist (wp-content/languages) then use the parent directory as we'll create it.
|
|
if ( WP_LANG_DIR == $context && ! is_dir( $context ) ) {
|
|
$context = dirname( $context );
|
|
}
|
|
|
|
$context = trailingslashit( $context );
|
|
|
|
if ( ! $method ) {
|
|
|
|
$temp_file_name = $context . 'temp-write-test-' . time();
|
|
$temp_handle = @fopen($temp_file_name, 'w');
|
|
if ( $temp_handle ) {
|
|
|
|
// Attempt to determine the file owner of the WordPress files, and that of newly created files
|
|
$wp_file_owner = $temp_file_owner = false;
|
|
if ( function_exists('fileowner') ) {
|
|
$wp_file_owner = @fileowner( __FILE__ );
|
|
$temp_file_owner = @fileowner( $temp_file_name );
|
|
}
|
|
|
|
if ( $wp_file_owner !== false && $wp_file_owner === $temp_file_owner ) {
|
|
// WordPress is creating files as the same owner as the WordPress files,
|
|
// this means it's safe to modify & create new files via PHP.
|
|
$method = 'direct';
|
|
$GLOBALS['_wp_filesystem_direct_method'] = 'file_owner';
|
|
} elseif ( $allow_relaxed_file_ownership ) {
|
|
// The $context directory is writable, and $allow_relaxed_file_ownership is set, this means we can modify files
|
|
// safely in this directory. This mode doesn't create new files, only alter existing ones.
|
|
$method = 'direct';
|
|
$GLOBALS['_wp_filesystem_direct_method'] = 'relaxed_ownership';
|
|
}
|
|
|
|
@fclose($temp_handle);
|
|
@unlink($temp_file_name);
|
|
}
|
|
}
|
|
|
|
if ( ! $method && isset($args['connection_type']) && 'ssh' == $args['connection_type'] && extension_loaded('ssh2') && function_exists('stream_get_contents') ) $method = 'ssh2';
|
|
if ( ! $method && extension_loaded('ftp') ) $method = 'ftpext';
|
|
if ( ! $method && ( extension_loaded('sockets') || function_exists('fsockopen') ) ) $method = 'ftpsockets'; //Sockets: Socket extension; PHP Mode: FSockopen / fwrite / fread
|
|
|
|
/**
|
|
* Filters the filesystem method to use.
|
|
*
|
|
* @since 2.6.0
|
|
*
|
|
* @param string $method Filesystem method to return.
|
|
* @param array $args An array of connection details for the method.
|
|
* @param string $context Full path to the directory that is tested for being writable.
|
|
* @param bool $allow_relaxed_file_ownership Whether to allow Group/World writable.
|
|
*/
|
|
return apply_filters( 'filesystem_method', $method, $args, $context, $allow_relaxed_file_ownership );
|
|
}
|
|
|
|
/**
|
|
* Displays a form to the user to request for their FTP/SSH details in order
|
|
* to connect to the filesystem.
|
|
*
|
|
* All chosen/entered details are saved, excluding the password.
|
|
*
|
|
* Hostnames may be in the form of hostname:portnumber (eg: wordpress.org:2467)
|
|
* to specify an alternate FTP/SSH port.
|
|
*
|
|
* Plugins may override this form by returning true|false via the {@see 'request_filesystem_credentials'} filter.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
|
|
*
|
|
* @global string $pagenow
|
|
*
|
|
* @param string $form_post The URL to post the form to.
|
|
* @param string $type Optional. Chosen type of filesystem. Default empty.
|
|
* @param bool $error Optional. Whether the current request has failed to connect.
|
|
* Default false.
|
|
* @param string $context Optional. Full path to the directory that is tested for being
|
|
* writable. Default empty.
|
|
* @param array $extra_fields Optional. Extra `POST` fields to be checked for inclusion in
|
|
* the post. Default null.
|
|
* @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
|
|
*
|
|
* @return bool False on failure, true on success.
|
|
*/
|
|
function request_filesystem_credentials( $form_post, $type = '', $error = false, $context = '', $extra_fields = null, $allow_relaxed_file_ownership = false ) {
|
|
global $pagenow;
|
|
|
|
/**
|
|
* Filters the filesystem credentials form output.
|
|
*
|
|
* Returning anything other than an empty string will effectively short-circuit
|
|
* output of the filesystem credentials form, returning that value instead.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
|
|
*
|
|
* @param mixed $output Form output to return instead. Default empty.
|
|
* @param string $form_post The URL to post the form to.
|
|
* @param string $type Chosen type of filesystem.
|
|
* @param bool $error Whether the current request has failed to connect.
|
|
* Default false.
|
|
* @param string $context Full path to the directory that is tested for
|
|
* being writable.
|
|
* @param bool $allow_relaxed_file_ownership Whether to allow Group/World writable.
|
|
* Default false.
|
|
* @param array $extra_fields Extra POST fields.
|
|
*/
|
|
$req_cred = apply_filters( 'request_filesystem_credentials', '', $form_post, $type, $error, $context, $extra_fields, $allow_relaxed_file_ownership );
|
|
if ( '' !== $req_cred )
|
|
return $req_cred;
|
|
|
|
if ( empty($type) ) {
|
|
$type = get_filesystem_method( array(), $context, $allow_relaxed_file_ownership );
|
|
}
|
|
|
|
if ( 'direct' == $type )
|
|
return true;
|
|
|
|
if ( is_null( $extra_fields ) )
|
|
$extra_fields = array( 'version', 'locale' );
|
|
|
|
$credentials = get_option('ftp_credentials', array( 'hostname' => '', 'username' => ''));
|
|
|
|
// If defined, set it to that, Else, If POST'd, set it to that, If not, Set it to whatever it previously was(saved details in option)
|
|
$credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($_POST['hostname']) ? wp_unslash( $_POST['hostname'] ) : $credentials['hostname']);
|
|
$credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($_POST['username']) ? wp_unslash( $_POST['username'] ) : $credentials['username']);
|
|
$credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($_POST['password']) ? wp_unslash( $_POST['password'] ) : '');
|
|
|
|
// Check to see if we are setting the public/private keys for ssh
|
|
$credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($_POST['public_key']) ? wp_unslash( $_POST['public_key'] ) : '');
|
|
$credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($_POST['private_key']) ? wp_unslash( $_POST['private_key'] ) : '');
|
|
|
|
// Sanitize the hostname, Some people might pass in odd-data:
|
|
$credentials['hostname'] = preg_replace('|\w+://|', '', $credentials['hostname']); //Strip any schemes off
|
|
|
|
if ( strpos($credentials['hostname'], ':') ) {
|
|
list( $credentials['hostname'], $credentials['port'] ) = explode(':', $credentials['hostname'], 2);
|
|
if ( ! is_numeric($credentials['port']) )
|
|
unset($credentials['port']);
|
|
} else {
|
|
unset($credentials['port']);
|
|
}
|
|
|
|
if ( ( defined( 'FTP_SSH' ) && FTP_SSH ) || ( defined( 'FS_METHOD' ) && 'ssh2' == FS_METHOD ) ) {
|
|
$credentials['connection_type'] = 'ssh';
|
|
} elseif ( ( defined( 'FTP_SSL' ) && FTP_SSL ) && 'ftpext' == $type ) { //Only the FTP Extension understands SSL
|
|
$credentials['connection_type'] = 'ftps';
|
|
} elseif ( ! empty( $_POST['connection_type'] ) ) {
|
|
$credentials['connection_type'] = wp_unslash( $_POST['connection_type'] );
|
|
} elseif ( ! isset( $credentials['connection_type'] ) ) { //All else fails (And it's not defaulted to something else saved), Default to FTP
|
|
$credentials['connection_type'] = 'ftp';
|
|
}
|
|
if ( ! $error &&
|
|
(
|
|
( !empty($credentials['password']) && !empty($credentials['username']) && !empty($credentials['hostname']) ) ||
|
|
( 'ssh' == $credentials['connection_type'] && !empty($credentials['public_key']) && !empty($credentials['private_key']) )
|
|
) ) {
|
|
$stored_credentials = $credentials;
|
|
if ( !empty($stored_credentials['port']) ) //save port as part of hostname to simplify above code.
|
|
$stored_credentials['hostname'] .= ':' . $stored_credentials['port'];
|
|
|
|
unset($stored_credentials['password'], $stored_credentials['port'], $stored_credentials['private_key'], $stored_credentials['public_key']);
|
|
if ( ! wp_installing() ) {
|
|
update_option( 'ftp_credentials', $stored_credentials );
|
|
}
|
|
return $credentials;
|
|
}
|
|
$hostname = isset( $credentials['hostname'] ) ? $credentials['hostname'] : '';
|
|
$username = isset( $credentials['username'] ) ? $credentials['username'] : '';
|
|
$public_key = isset( $credentials['public_key'] ) ? $credentials['public_key'] : '';
|
|
$private_key = isset( $credentials['private_key'] ) ? $credentials['private_key'] : '';
|
|
$port = isset( $credentials['port'] ) ? $credentials['port'] : '';
|
|
$connection_type = isset( $credentials['connection_type'] ) ? $credentials['connection_type'] : '';
|
|
|
|
if ( $error ) {
|
|
$error_string = __('<strong>ERROR:</strong> There was an error connecting to the server, Please verify the settings are correct.');
|
|
if ( is_wp_error($error) )
|
|
$error_string = esc_html( $error->get_error_message() );
|
|
echo '<div id="message" class="error"><p>' . $error_string . '</p></div>';
|
|
}
|
|
|
|
$types = array();
|
|
if ( extension_loaded('ftp') || extension_loaded('sockets') || function_exists('fsockopen') )
|
|
$types[ 'ftp' ] = __('FTP');
|
|
if ( extension_loaded('ftp') ) //Only this supports FTPS
|
|
$types[ 'ftps' ] = __('FTPS (SSL)');
|
|
if ( extension_loaded('ssh2') && function_exists('stream_get_contents') )
|
|
$types[ 'ssh' ] = __('SSH2');
|
|
|
|
/**
|
|
* Filters the connection types to output to the filesystem credentials form.
|
|
*
|
|
* @since 2.9.0
|
|
* @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
|
|
*
|
|
* @param array $types Types of connections.
|
|
* @param array $credentials Credentials to connect with.
|
|
* @param string $type Chosen filesystem method.
|
|
* @param object $error Error object.
|
|
* @param string $context Full path to the directory that is tested
|
|
* for being writable.
|
|
*/
|
|
$types = apply_filters( 'fs_ftp_connection_types', $types, $credentials, $type, $error, $context );
|
|
|
|
?>
|
|
<form action="<?php echo esc_url( $form_post ) ?>" method="post">
|
|
<div id="request-filesystem-credentials-form" class="request-filesystem-credentials-form">
|
|
<?php
|
|
// Print a H1 heading in the FTP credentials modal dialog, default is a H2.
|
|
$heading_tag = 'h2';
|
|
if ( 'plugins.php' === $pagenow || 'plugin-install.php' === $pagenow ) {
|
|
$heading_tag = 'h1';
|
|
}
|
|
echo "<$heading_tag id='request-filesystem-credentials-title'>" . __( 'Connection Information' ) . "</$heading_tag>";
|
|
?>
|
|
<p id="request-filesystem-credentials-desc"><?php
|
|
$label_user = __('Username');
|
|
$label_pass = __('Password');
|
|
_e('To perform the requested action, WordPress needs to access your web server.');
|
|
echo ' ';
|
|
if ( ( isset( $types['ftp'] ) || isset( $types['ftps'] ) ) ) {
|
|
if ( isset( $types['ssh'] ) ) {
|
|
_e('Please enter your FTP or SSH credentials to proceed.');
|
|
$label_user = __('FTP/SSH Username');
|
|
$label_pass = __('FTP/SSH Password');
|
|
} else {
|
|
_e('Please enter your FTP credentials to proceed.');
|
|
$label_user = __('FTP Username');
|
|
$label_pass = __('FTP Password');
|
|
}
|
|
echo ' ';
|
|
}
|
|
_e('If you do not remember your credentials, you should contact your web host.');
|
|
?></p>
|
|
<label for="hostname">
|
|
<span class="field-title"><?php _e( 'Hostname' ) ?></span>
|
|
<input name="hostname" type="text" id="hostname" aria-describedby="request-filesystem-credentials-desc" class="code" placeholder="<?php esc_attr_e( 'example: www.wordpress.org' ) ?>" value="<?php echo esc_attr($hostname); if ( !empty($port) ) echo ":$port"; ?>"<?php disabled( defined('FTP_HOST') ); ?> />
|
|
</label>
|
|
<div class="ftp-username">
|
|
<label for="username">
|
|
<span class="field-title"><?php echo $label_user; ?></span>
|
|
<input name="username" type="text" id="username" value="<?php echo esc_attr($username) ?>"<?php disabled( defined('FTP_USER') ); ?> />
|
|
</label>
|
|
</div>
|
|
<div class="ftp-password">
|
|
<label for="password">
|
|
<span class="field-title"><?php echo $label_pass; ?></span>
|
|
<input name="password" type="password" id="password" value="<?php if ( defined('FTP_PASS') ) echo '*****'; ?>"<?php disabled( defined('FTP_PASS') ); ?> />
|
|
<em><?php if ( ! defined('FTP_PASS') ) _e( 'This password will not be stored on the server.' ); ?></em>
|
|
</label>
|
|
</div>
|
|
<fieldset>
|
|
<legend><?php _e( 'Connection Type' ); ?></legend>
|
|
<?php
|
|
$disabled = disabled( ( defined( 'FTP_SSL' ) && FTP_SSL ) || ( defined( 'FTP_SSH' ) && FTP_SSH ), true, false );
|
|
foreach ( $types as $name => $text ) : ?>
|
|
<label for="<?php echo esc_attr( $name ) ?>">
|
|
<input type="radio" name="connection_type" id="<?php echo esc_attr( $name ) ?>" value="<?php echo esc_attr( $name ) ?>"<?php checked( $name, $connection_type ); echo $disabled; ?> />
|
|
<?php echo $text; ?>
|
|
</label>
|
|
<?php
|
|
endforeach;
|
|
?>
|
|
</fieldset>
|
|
<?php
|
|
if ( isset( $types['ssh'] ) ) {
|
|
$hidden_class = '';
|
|
if ( 'ssh' != $connection_type || empty( $connection_type ) ) {
|
|
$hidden_class = ' class="hidden"';
|
|
}
|
|
?>
|
|
<fieldset id="ssh-keys"<?php echo $hidden_class; ?>">
|
|
<legend><?php _e( 'Authentication Keys' ); ?></legend>
|
|
<label for="public_key">
|
|
<span class="field-title"><?php _e('Public Key:') ?></span>
|
|
<input name="public_key" type="text" id="public_key" aria-describedby="auth-keys-desc" value="<?php echo esc_attr($public_key) ?>"<?php disabled( defined('FTP_PUBKEY') ); ?> />
|
|
</label>
|
|
<label for="private_key">
|
|
<span class="field-title"><?php _e('Private Key:') ?></span>
|
|
<input name="private_key" type="text" id="private_key" value="<?php echo esc_attr($private_key) ?>"<?php disabled( defined('FTP_PRIKEY') ); ?> />
|
|
</label>
|
|
<p id="auth-keys-desc"><?php _e( 'Enter the location on the server where the public and private keys are located. If a passphrase is needed, enter that in the password field above.' ) ?></p>
|
|
</fieldset>
|
|
<?php
|
|
}
|
|
|
|
foreach ( (array) $extra_fields as $field ) {
|
|
if ( isset( $_POST[ $field ] ) )
|
|
echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( wp_unslash( $_POST[ $field ] ) ) . '" />';
|
|
}
|
|
?>
|
|
<p class="request-filesystem-credentials-action-buttons">
|
|
<button class="button cancel-button" data-js-action="close" type="button"><?php _e( 'Cancel' ); ?></button>
|
|
<?php submit_button( __( 'Proceed' ), 'button', 'upgrade', false ); ?>
|
|
</p>
|
|
</div>
|
|
</form>
|
|
<?php
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Print the filesystem credentials modal when needed.
|
|
*
|
|
* @since 4.2.0
|
|
*/
|
|
function wp_print_request_filesystem_credentials_modal() {
|
|
$filesystem_method = get_filesystem_method();
|
|
ob_start();
|
|
$filesystem_credentials_are_stored = request_filesystem_credentials( self_admin_url() );
|
|
ob_end_clean();
|
|
$request_filesystem_credentials = ( $filesystem_method != 'direct' && ! $filesystem_credentials_are_stored );
|
|
if ( ! $request_filesystem_credentials ) {
|
|
return;
|
|
}
|
|
?>
|
|
<div id="request-filesystem-credentials-dialog" class="notification-dialog-wrap request-filesystem-credentials-dialog">
|
|
<div class="notification-dialog-background"></div>
|
|
<div class="notification-dialog" role="dialog" aria-labelledby="request-filesystem-credentials-title" tabindex="0">
|
|
<div class="request-filesystem-credentials-dialog-content">
|
|
<?php request_filesystem_credentials( site_url() ); ?>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<?php
|
|
}
|