306 lines
10 KiB
PHP
306 lines
10 KiB
PHP
<?php
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$wp_file_descriptions = array ('index.php' => __( 'Main Index Template' ), 'style.css' => __( 'Stylesheet' ), 'comments.php' => __( 'Comments' ), 'comments-popup.php' => __( 'Popup Comments' ), 'footer.php' => __( 'Footer' ), 'header.php' => __( 'Header' ), 'sidebar.php' => __( 'Sidebar' ), 'archive.php' => __( 'Archives' ), 'category.php' => __( 'Category Template' ), 'page.php' => __( 'Page Template' ), 'search.php' => __( 'Search Results' ), 'single.php' => __( 'Single Post' ), '404.php' => __( '404 Template' ), 'my-hacks.php' => __( 'my-hacks.php (legacy hacks support)' ), '.htaccess' => __( '.htaccess (for rewrite rules )' ),
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// Deprecated files
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'wp-layout.css' => __( 'Stylesheet' ), 'wp-comments.php' => __( 'Comments Template' ), 'wp-comments-popup.php' => __( 'Popup Comments Template' ));
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function get_file_description( $file ) {
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global $wp_file_descriptions;
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if ( isset( $wp_file_descriptions[basename( $file )] ) ) {
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return $wp_file_descriptions[basename( $file )];
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}
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elseif ( file_exists( ABSPATH . $file ) && is_file( ABSPATH . $file ) ) {
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$template_data = implode( '', file( ABSPATH . $file ) );
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if ( preg_match( "|Template Name:(.*)|i", $template_data, $name ))
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return $name[1];
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}
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return basename( $file );
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}
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function get_home_path() {
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$home = get_option( 'home' );
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if ( $home != '' && $home != get_option( 'siteurl' ) ) {
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$home_path = parse_url( $home );
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$home_path = $home_path['path'];
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$root = str_replace( $_SERVER["PHP_SELF"], '', $_SERVER["SCRIPT_FILENAME"] );
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$home_path = trailingslashit( $root.$home_path );
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} else {
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$home_path = ABSPATH;
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}
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return $home_path;
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}
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function get_real_file_to_edit( $file ) {
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if ('index.php' == $file || '.htaccess' == $file ) {
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$real_file = get_home_path().$file;
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} else {
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$real_file = ABSPATH.$file;
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}
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return $real_file;
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}
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function validate_file( $file, $allowed_files = '' ) {
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if ( false !== strpos( $file, '..' ))
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return 1;
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if ( false !== strpos( $file, './' ))
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return 1;
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if (':' == substr( $file, 1, 1 ))
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return 2;
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if (!empty ( $allowed_files ) && (!in_array( $file, $allowed_files ) ) )
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return 3;
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return 0;
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}
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function validate_file_to_edit( $file, $allowed_files = '' ) {
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$file = stripslashes( $file );
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$code = validate_file( $file, $allowed_files );
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if (!$code )
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return $file;
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switch ( $code ) {
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case 1 :
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wp_die( __('Sorry, can’t edit files with ".." in the name. If you are trying to edit a file in your WordPress home directory, you can just type the name of the file in.' ));
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case 2 :
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wp_die( __('Sorry, can’t call files with their real path.' ));
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case 3 :
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wp_die( __('Sorry, that file cannot be edited.' ));
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}
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}
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// array wp_handle_upload ( array &file [, array overrides] )
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// file: reference to a single element of $_FILES. Call the function once for each uploaded file.
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// overrides: an associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ).
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// On success, returns an associative array of file attributes.
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// On failure, returns $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
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function wp_handle_upload( &$file, $overrides = false ) {
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// The default error handler.
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if (! function_exists( 'wp_handle_upload_error' ) ) {
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function wp_handle_upload_error( &$file, $message ) {
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return array( 'error'=>$message );
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}
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}
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// You may define your own function and pass the name in $overrides['upload_error_handler']
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$upload_error_handler = 'wp_handle_upload_error';
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// $_POST['action'] must be set and its value must equal $overrides['action'] or this:
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$action = 'wp_handle_upload';
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// Courtesy of php.net, the strings that describe the error indicated in $_FILES[{form field}]['error'].
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$upload_error_strings = array( false,
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__( "The uploaded file exceeds the <code>upload_max_filesize</code> directive in <code>php.ini</code>." ),
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__( "The uploaded file exceeds the <em>MAX_FILE_SIZE</em> directive that was specified in the HTML form." ),
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__( "The uploaded file was only partially uploaded." ),
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__( "No file was uploaded." ),
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__( "Missing a temporary folder." ),
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__( "Failed to write file to disk." ));
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// All tests are on by default. Most can be turned off by $override[{test_name}] = false;
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$test_form = true;
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$test_size = true;
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// If you override this, you must provide $ext and $type!!!!
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$test_type = true;
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$mimes = false;
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// Install user overrides. Did we mention that this voids your warranty?
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if ( is_array( $overrides ) )
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extract( $overrides, EXTR_OVERWRITE );
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// A correct form post will pass this test.
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if ( $test_form && (!isset( $_POST['action'] ) || ($_POST['action'] != $action ) ) )
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return $upload_error_handler( $file, __( 'Invalid form submission.' ));
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// A successful upload will pass this test. It makes no sense to override this one.
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if ( $file['error'] > 0 )
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return $upload_error_handler( $file, $upload_error_strings[$file['error']] );
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// A non-empty file will pass this test.
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if ( $test_size && !($file['size'] > 0 ) )
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return $upload_error_handler( $file, __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini.' ));
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// A properly uploaded file will pass this test. There should be no reason to override this one.
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if (! @ is_uploaded_file( $file['tmp_name'] ) )
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return $upload_error_handler( $file, __( 'Specified file failed upload test.' ));
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// A correct MIME type will pass this test. Override $mimes or use the upload_mimes filter.
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if ( $test_type ) {
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$wp_filetype = wp_check_filetype( $file['name'], $mimes );
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extract( $wp_filetype );
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if ( ( !$type || !$ext ) && !current_user_can( 'unfiltered_upload' ) )
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return $upload_error_handler( $file, __( 'File type does not meet security guidelines. Try another.' ));
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if ( !$ext )
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$ext = ltrim(strrchr($file['name'], '.'), '.');
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}
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// A writable uploads dir will pass this test. Again, there's no point overriding this one.
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if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
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return $upload_error_handler( $file, $uploads['error'] );
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$filename = wp_unique_filename( $uploads['path'], $file['name'], $unique_filename_callback );
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// Move the file to the uploads dir
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$new_file = $uploads['path'] . "/$filename";
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if ( false === @ move_uploaded_file( $file['tmp_name'], $new_file ) )
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wp_die( printf( __('The uploaded file could not be moved to %s.' ), $uploads['path'] ));
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// Set correct file permissions
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$stat = stat( dirname( $new_file ));
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$perms = $stat['mode'] & 0000666;
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@ chmod( $new_file, $perms );
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// Compute the URL
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$url = $uploads['url'] . "/$filename";
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$return = apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $type ) );
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return $return;
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}
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/**
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* Downloads a url to a local file using the Snoopy HTTP Class
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*
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* @param string $url the URL of the file to download
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* @return mixed false on failure, string Filename on success.
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*/
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function download_url( $url ) {
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//WARNING: The file is not automatically deleted, The script must unlink() the file.
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if( ! $url )
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return false;
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$tmpfname = tempnam('/tmp', 'wpupdate');
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if( ! $tmpfname )
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return false;
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$handle = fopen($tmpfname, 'w');
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if( ! $handle )
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return false;
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require_once( ABSPATH . 'wp-includes/class-snoopy.php' );
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$snoopy = new Snoopy();
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$snoopy->fetch($url);
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fwrite($handle, $snoopy->results);
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fclose($handle);
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return $tmpfname;
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}
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function unzip_file($file, $to) {
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global $wp_filesystem;
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if ( ! $wp_filesystem || !is_object($wp_filesystem) )
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return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
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$fs =& $wp_filesystem;
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require_once(ABSPATH . 'wp-admin/includes/class-pclzip.php');
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$archive = new PclZip($file);
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// Is the archive valid?
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if ( false == ($archive_files = $archive->extract(PCLZIP_OPT_EXTRACT_AS_STRING)) )
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return new WP_Error('incompatible_archive', __('Incompatible archive'), $archive->error_string);
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if ( 0 == count($archive_files) )
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return new WP_Error('empty_archive', __('Empty archive'));
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$to = trailingslashit($to);
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$path = explode('/', $to);
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$tmppath = '';
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for ( $j = 0; $j < count($path) - 1; $j++ ) {
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$tmppath .= $path[$j] . '/';
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if ( ! $fs->is_dir($tmppath) ) {
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$fs->mkdir($tmppath);
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} else {
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$fs->setDefaultPermissions( $fs->getchmod($tmppath) );
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}
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}
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foreach ($archive_files as $file) {
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$path = explode('/', $file['filename']);
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$tmppath = '';
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// Loop through each of the items and check that the folder exists.
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for ( $j = 0; $j < count($path) - 1; $j++ ) {
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$tmppath .= $path[$j] . '/';
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if ( ! $fs->is_dir($to . $tmppath) )
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$fs->mkdir($to . $tmppath);
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}
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// We've made sure the folders are there, so let's extract the file now:
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if ( ! $file['folder'] )
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$fs->put_contents( $to . $file['filename'], $file['content']);
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}
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}
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function copy_dir($from, $to) {
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global $wp_filesystem;
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$dirlist = $wp_filesystem->dirlist($from);
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$from = trailingslashit($from);
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$to = trailingslashit($to);
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foreach ( (array) $dirlist as $filename => $fileinfo ) {
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if ( 'file' == $fileinfo['type'] ) {
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$wp_filesystem->copy($from . $filename, $to . $filename, true);
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} elseif ( 'folder' == $fileinfo['type'] ) {
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$wp_filesystem->mkdir($to . $filename);
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copy_dir($from . $filename, $to . $filename);
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}
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}
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}
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function WP_Filesystem( $args = false, $preference = false ) {
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global $wp_filesystem;
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$method = get_filesystem_method($preference);
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if ( ! $method )
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return false;
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require_once('class-wp-filesystem-'.$method.'.php');
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$method = "WP_Filesystem_$method";
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$wp_filesystem = new $method($args);
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if ( $wp_filesystem->errors->get_error_code() )
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return false;
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if ( !$wp_filesystem->connect() )
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return false; //There was an erorr connecting to the server.
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return true;
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}
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function get_filesystem_method() {
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$tempFile = tempnam('/tmp', 'WPU');
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if ( getmyuid() == fileowner($tempFile) ) {
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unlink($tempFile);
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//return 'direct';
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} else {
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unlink($tempFile);
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}
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if ( extension_loaded('ftp') ) return 'ftpext';
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if ( extension_loaded('sockets') ) return 'ftpsockets';
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return false;
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}
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?>
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