| 1 | <?php
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| 2 | /*
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| 3 | Plugin Name: Allow UTF-8 Filenames on Windows
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| 4 | Plugin URI: http://core.trac.wordpress.org/ticket/15955
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| 5 | Description: A workaround for correct uploading of files with UTF-8 names on Windows systems.
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| 6 | Version: 0.1
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| 7 | Author: Sergey Biryukov
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| 8 | Author URI: http://profiles.wordpress.org/sergeybiryukov/
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| 9 | */
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| 10 |
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| 11 | function autfw_sanitize_file_name_for_windows($filename, $utf8 = false) {
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| 12 | if ( seems_utf8($filename) == $utf8 )
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| 13 | return $filename;
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| 14 |
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| 15 | // On Windows platforms, PHP will mangle non-ASCII characters, see http://bugs.php.net/bug.php?id=47096
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| 16 | if ( 'WIN' == substr( PHP_OS, 0, 3 ) ) {
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| 17 | if(setlocale( LC_CTYPE, 0 )=='C'){ // Locale has not been set and the default is being used, according to answer by Colin Morelli at http://stackoverflow.com/questions/13788415/how-to-retrieve-the-current-windows-codepage-in-php
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| 18 | // thus, we force the locale to be explicitly set to the default system locale
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| 19 | $codepage = 'Windows-' . trim( strstr( setlocale( LC_CTYPE, '' ), '.' ), '.' );
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| 20 | }
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| 21 | else {
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| 22 | $codepage = 'Windows-' . trim( strstr( setlocale( LC_CTYPE, 0 ), '.' ), '.' );
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| 23 | }
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| 24 | if ( function_exists( 'iconv' ) ) {
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| 25 | if ( false == $utf8 ){
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| 26 | $filename = iconv( get_option( 'blog_charset' ), $codepage . '//IGNORE', $filename );
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| 27 | }
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| 28 | else {
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| 29 | $filename = iconv( $codepage, get_option( 'blog_charset' ), $filename );
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| 30 | }
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| 31 | } elseif ( function_exists( 'mb_convert_encoding' ) ) {
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| 32 | if ( false == $utf8 )
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| 33 | $filename = mb_convert_encoding( $filename, $codepage, get_option( 'blog_charset' ) );
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| 34 | else
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| 35 | $filename = mb_convert_encoding( $filename, get_option( 'blog_charset' ), $codepage );
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| 36 | }
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| 37 | }
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| 38 |
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| 39 | return $filename;
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| 40 | }
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| 41 | add_filter('wp_delete_file', 'autfw_sanitize_file_name_for_windows');
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| 42 | add_filter('get_attached_file', 'autfw_sanitize_file_name_for_windows');
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| 43 |
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| 44 | function autfw_handle_upload_input($file) {
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| 45 | $file['name'] = autfw_sanitize_file_name_for_windows($file['name']);
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| 46 | return $file;
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| 47 | }
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| 48 | add_filter('wp_handle_upload_prefilter', 'autfw_handle_upload_input');
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| 49 |
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| 50 | function autfw_handle_upload($file) {
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| 51 | $file['file'] = autfw_sanitize_file_name_for_windows($file['file'], true);
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| 52 | $file['url'] = autfw_sanitize_file_name_for_windows($file['url'], true);
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| 53 | return $file;
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| 54 | }
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| 55 | add_filter('wp_handle_upload', 'autfw_handle_upload');
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| 56 |
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| 57 | function autfw_update_attached_file($file) {
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| 58 | return autfw_sanitize_file_name_for_windows($file, true);
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| 59 | }
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| 60 | add_filter('update_attached_file', 'autfw_update_attached_file');
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| 61 |
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| 62 | function autfw_generate_attachment_metadata($metadata, $attachment_id) {
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| 63 | $file = get_attached_file($attachment_id);
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| 64 |
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| 65 | remove_filter('wp_generate_attachment_metadata', 'autfw_generate_attachment_metadata');
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| 66 | $metadata = wp_generate_attachment_metadata($attachment_id, $file);
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| 67 |
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| 68 | return autfw_update_attachment_metadata($metadata);
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| 69 | }
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| 70 | add_filter('wp_generate_attachment_metadata', 'autfw_generate_attachment_metadata', 10, 2);
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| 71 |
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| 72 | function autfw_update_attachment_metadata($metadata) {
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| 73 | $metadata['file'] = autfw_sanitize_file_name_for_windows($metadata['file'], true);
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| 74 |
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| 75 | if ( !empty($metadata['sizes']) ) {
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| 76 | foreach ( (array) $metadata['sizes'] as $size => $resized ) {
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| 77 | $resized['file'] = autfw_sanitize_file_name_for_windows($resized['file'], true);
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| 78 | $metadata['sizes'][$size] = $resized;
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| 79 | }
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| 80 | }
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| 81 |
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| 82 | return $metadata;
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| 83 | }
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| 84 | add_filter('wp_update_attachment_metadata', 'autfw_update_attachment_metadata');
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| 85 |
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| 86 | function autfw_update_post_metadata($foo, $object_id, $meta_key, $meta_value) {
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| 87 | if ( '_wp_attachment_backup_sizes' != $meta_key )
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| 88 | return null;
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| 89 |
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| 90 | foreach ( (array) $meta_value as $size => $resized ) {
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| 91 | $resized['file'] = autfw_sanitize_file_name_for_windows($resized['file'], true);
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| 92 | $meta_value[$size] = $resized;
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| 93 | }
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| 94 |
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| 95 | remove_filter('update_post_metadata', 'autfw_update_post_metadata', 10, 4);
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| 96 | update_metadata('post', $object_id, $meta_key, $meta_value);
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| 97 |
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| 98 | return true;
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| 99 | }
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| 100 | add_filter('update_post_metadata', 'autfw_update_post_metadata', 10, 4);
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| 101 | ?>
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