Edit File by line

[1000] Fix | Delete

/**

[1001] Fix | Delete

* If fetching attachments is enabled then attempt to create a new attachment

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[1003] Fix | Delete

* @param array $post Attachment post details from WXR

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* @param string $url URL to fetch attachment from

[1005] Fix | Delete

* @return int|WP_Error Post ID on success, WP_Error otherwise

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[1007] Fix | Delete

function process_attachment( $post, $url ) {

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if ( ! $this->fetch_attachments ) {

[1009] Fix | Delete

return new WP_Error(

[1010] Fix | Delete

'attachment_processing_error',

[1011] Fix | Delete

__( 'Fetching attachments is not enabled', 'wordpress-importer' )

[1012] Fix | Delete

);

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}

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// if the URL is absolute, but does not contain address, then upload it assuming base_site_url

[1016] Fix | Delete

if ( preg_match( '|^/[\w\W]+$|', $url ) ) {

[1017] Fix | Delete

$url = rtrim( $this->base_url, '/' ) . $url;

[1018] Fix | Delete

}

[1019] Fix | Delete

[1020] Fix | Delete

$upload = $this->fetch_remote_file( $url, $post );

[1021] Fix | Delete

if ( is_wp_error( $upload ) ) {

[1022] Fix | Delete

return $upload;

[1023] Fix | Delete

}

[1024] Fix | Delete

[1025] Fix | Delete

$info = wp_check_filetype( $upload['file'] );

[1026] Fix | Delete

if ( $info ) {

[1027] Fix | Delete

$post['post_mime_type'] = $info['type'];

[1028] Fix | Delete

} else {

[1029] Fix | Delete

return new WP_Error( 'attachment_processing_error', __( 'Invalid file type', 'wordpress-importer' ) );

[1030] Fix | Delete

}

[1031] Fix | Delete

[1032] Fix | Delete

$post['guid'] = $upload['url'];

[1033] Fix | Delete

[1034] Fix | Delete

// as per wp-admin/includes/upload.php

[1035] Fix | Delete

$post_id = wp_insert_attachment( $post, $upload['file'] );

[1036] Fix | Delete

wp_update_attachment_metadata( $post_id, wp_generate_attachment_metadata( $post_id, $upload['file'] ) );

[1037] Fix | Delete

[1038] Fix | Delete

// remap resized image URLs, works by stripping the extension and remapping the URL stub.

[1039] Fix | Delete

if ( preg_match( '!^image/!', $info['type'] ) ) {

[1040] Fix | Delete

$parts = pathinfo( $url );

[1041] Fix | Delete

$name = basename( $parts['basename'], ".{$parts['extension']}" ); // PATHINFO_FILENAME in PHP 5.2

[1042] Fix | Delete

[1043] Fix | Delete

$parts_new = pathinfo( $upload['url'] );

[1044] Fix | Delete

$name_new = basename( $parts_new['basename'], ".{$parts_new['extension']}" );

[1045] Fix | Delete

[1046] Fix | Delete

$this->url_remap[ $parts['dirname'] . '/' . $name ] = $parts_new['dirname'] . '/' . $name_new;

[1047] Fix | Delete

}

[1048] Fix | Delete

[1049] Fix | Delete

return $post_id;

[1050] Fix | Delete

}

[1051] Fix | Delete

[1052] Fix | Delete

/**

[1053] Fix | Delete

* Attempt to download a remote file attachment

[1054] Fix | Delete

[1055] Fix | Delete

* @param string $url URL of item to fetch

[1056] Fix | Delete

* @param array $post Attachment details

[1057] Fix | Delete

* @return array|WP_Error Local file location details on success, WP_Error otherwise

[1058] Fix | Delete

[1059] Fix | Delete

function fetch_remote_file( $url, $post ) {

[1060] Fix | Delete

// Extract the file name from the URL.

[1061] Fix | Delete

$path = parse_url( $url, PHP_URL_PATH );

[1062] Fix | Delete

$file_name = '';

[1063] Fix | Delete

if ( is_string( $path ) ) {

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$file_name = basename( $path );

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}

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if ( ! $file_name ) {

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$file_name = md5( $url );

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}

[1070] Fix | Delete

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$tmp_file_name = wp_tempnam( $file_name );

[1072] Fix | Delete

if ( ! $tmp_file_name ) {

[1073] Fix | Delete

return new WP_Error( 'import_no_file', __( 'Could not create temporary file.', 'wordpress-importer' ) );

[1074] Fix | Delete

}

[1075] Fix | Delete

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// Fetch the remote URL and write it to the placeholder file.

[1077] Fix | Delete

$remote_response = wp_safe_remote_get(

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$url,

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array(

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'timeout' => 300,

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'stream' => true,

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'filename' => $tmp_file_name,

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'headers' => array(

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'Accept-Encoding' => 'identity',

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[1086] Fix | Delete

)

[1087] Fix | Delete

);

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if ( is_wp_error( $remote_response ) ) {

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@unlink( $tmp_file_name );

[1091] Fix | Delete

return new WP_Error(

[1092] Fix | Delete

'import_file_error',

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sprintf(

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/* translators: 1: The WordPress error message. 2: The WordPress error code. */

[1095] Fix | Delete

__( 'Request failed due to an error: %1$s (%2$s)', 'wordpress-importer' ),

[1096] Fix | Delete

esc_html( $remote_response->get_error_message() ),

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esc_html( $remote_response->get_error_code() )

[1098] Fix | Delete

)

[1099] Fix | Delete

);

[1100] Fix | Delete

}

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[1102] Fix | Delete

$remote_response_code = (int) wp_remote_retrieve_response_code( $remote_response );

[1103] Fix | Delete

[1104] Fix | Delete

// Make sure the fetch was successful.

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if ( 200 !== $remote_response_code ) {

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@unlink( $tmp_file_name );

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return new WP_Error(

[1108] Fix | Delete

'import_file_error',

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sprintf(

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/* translators: 1: The HTTP error message. 2: The HTTP error code. */

[1111] Fix | Delete

__( 'Remote server returned the following unexpected result: %1$s (%2$s)', 'wordpress-importer' ),

[1112] Fix | Delete

get_status_header_desc( $remote_response_code ),

[1113] Fix | Delete

esc_html( $remote_response_code )

[1114] Fix | Delete

)

[1115] Fix | Delete

);

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}

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[1118] Fix | Delete

$headers = wp_remote_retrieve_headers( $remote_response );

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[1120] Fix | Delete

// Request failed.

[1121] Fix | Delete

if ( ! $headers ) {

[1122] Fix | Delete

@unlink( $tmp_file_name );

[1123] Fix | Delete

return new WP_Error( 'import_file_error', __( 'Remote server did not respond', 'wordpress-importer' ) );

[1124] Fix | Delete

}

[1125] Fix | Delete

[1126] Fix | Delete

$filesize = (int) filesize( $tmp_file_name );

[1127] Fix | Delete

[1128] Fix | Delete

if ( 0 === $filesize ) {

[1129] Fix | Delete

@unlink( $tmp_file_name );

[1130] Fix | Delete

return new WP_Error( 'import_file_error', __( 'Zero size file downloaded', 'wordpress-importer' ) );

[1131] Fix | Delete

}

[1132] Fix | Delete

[1133] Fix | Delete

if ( ! isset( $headers['content-encoding'] ) && isset( $headers['content-length'] ) && $filesize !== (int) $headers['content-length'] ) {

[1134] Fix | Delete

@unlink( $tmp_file_name );

[1135] Fix | Delete

return new WP_Error( 'import_file_error', __( 'Downloaded file has incorrect size', 'wordpress-importer' ) );

[1136] Fix | Delete

}

[1137] Fix | Delete

[1138] Fix | Delete

$max_size = (int) $this->max_attachment_size();

[1139] Fix | Delete

if ( ! empty( $max_size ) && $filesize > $max_size ) {

[1140] Fix | Delete

@unlink( $tmp_file_name );

[1141] Fix | Delete

return new WP_Error( 'import_file_error', sprintf( __( 'Remote file is too large, limit is %s', 'wordpress-importer' ), size_format( $max_size ) ) );

[1142] Fix | Delete

}

[1143] Fix | Delete

[1144] Fix | Delete

// Override file name with Content-Disposition header value.

[1145] Fix | Delete

if ( ! empty( $headers['content-disposition'] ) ) {

[1146] Fix | Delete

$file_name_from_disposition = self::get_filename_from_disposition( (array) $headers['content-disposition'] );

[1147] Fix | Delete

if ( $file_name_from_disposition ) {

[1148] Fix | Delete

$file_name = $file_name_from_disposition;

[1149] Fix | Delete

}

[1150] Fix | Delete

}

[1151] Fix | Delete

[1152] Fix | Delete

// Set file extension if missing.

[1153] Fix | Delete

$file_ext = pathinfo( $file_name, PATHINFO_EXTENSION );

[1154] Fix | Delete

if ( ! $file_ext && ! empty( $headers['content-type'] ) ) {

[1155] Fix | Delete

$extension = self::get_file_extension_by_mime_type( $headers['content-type'] );

[1156] Fix | Delete

if ( $extension ) {

[1157] Fix | Delete

$file_name = "{$file_name}.{$extension}";

[1158] Fix | Delete

}

[1159] Fix | Delete

}

[1160] Fix | Delete

[1161] Fix | Delete

// Handle the upload like _wp_handle_upload() does.

[1162] Fix | Delete

$wp_filetype = wp_check_filetype_and_ext( $tmp_file_name, $file_name );

[1163] Fix | Delete

$ext = empty( $wp_filetype['ext'] ) ? '' : $wp_filetype['ext'];

[1164] Fix | Delete

$type = empty( $wp_filetype['type'] ) ? '' : $wp_filetype['type'];

[1165] Fix | Delete

$proper_filename = empty( $wp_filetype['proper_filename'] ) ? '' : $wp_filetype['proper_filename'];

[1166] Fix | Delete

[1167] Fix | Delete

// Check to see if wp_check_filetype_and_ext() determined the filename was incorrect.

[1168] Fix | Delete

if ( $proper_filename ) {

[1169] Fix | Delete

$file_name = $proper_filename;

[1170] Fix | Delete

}

[1171] Fix | Delete

[1172] Fix | Delete

if ( ( ! $type || ! $ext ) && ! current_user_can( 'unfiltered_upload' ) ) {

[1173] Fix | Delete

return new WP_Error( 'import_file_error', __( 'Sorry, this file type is not permitted for security reasons.', 'wordpress-importer' ) );

[1174] Fix | Delete

}

[1175] Fix | Delete

[1176] Fix | Delete

$uploads = wp_upload_dir( $post['upload_date'] );

[1177] Fix | Delete

if ( ! ( $uploads && false === $uploads['error'] ) ) {

[1178] Fix | Delete

return new WP_Error( 'upload_dir_error', $uploads['error'] );

[1179] Fix | Delete

}

[1180] Fix | Delete

[1181] Fix | Delete

// Move the file to the uploads dir.

[1182] Fix | Delete

$file_name = wp_unique_filename( $uploads['path'], $file_name );

[1183] Fix | Delete

$new_file = $uploads['path'] . "/$file_name";

[1184] Fix | Delete

$move_new_file = copy( $tmp_file_name, $new_file );

[1185] Fix | Delete

[1186] Fix | Delete

if ( ! $move_new_file ) {

[1187] Fix | Delete

@unlink( $tmp_file_name );

[1188] Fix | Delete

return new WP_Error( 'import_file_error', __( 'The uploaded file could not be moved', 'wordpress-importer' ) );

[1189] Fix | Delete

}

[1190] Fix | Delete

[1191] Fix | Delete

// Set correct file permissions.

[1192] Fix | Delete

$stat = stat( dirname( $new_file ) );

[1193] Fix | Delete

$perms = $stat['mode'] & 0000666;

[1194] Fix | Delete

chmod( $new_file, $perms );

[1195] Fix | Delete

[1196] Fix | Delete

$upload = array(

[1197] Fix | Delete

'file' => $new_file,

[1198] Fix | Delete

'url' => $uploads['url'] . "/$file_name",

[1199] Fix | Delete

'type' => $wp_filetype['type'],

[1200] Fix | Delete

'error' => false,

[1201] Fix | Delete

);

[1202] Fix | Delete

[1203] Fix | Delete

// keep track of the old and new urls so we can substitute them later

[1204] Fix | Delete

$this->url_remap[ $url ] = $upload['url'];

[1205] Fix | Delete

$this->url_remap[ $post['guid'] ] = $upload['url']; // r13735, really needed?

[1206] Fix | Delete

// keep track of the destination if the remote url is redirected somewhere else

[1207] Fix | Delete

if ( isset( $headers['x-final-location'] ) && $headers['x-final-location'] != $url ) {

[1208] Fix | Delete

$this->url_remap[ $headers['x-final-location'] ] = $upload['url'];

[1209] Fix | Delete

}

[1210] Fix | Delete

[1211] Fix | Delete

return $upload;

[1212] Fix | Delete

}

[1213] Fix | Delete

[1214] Fix | Delete

/**

[1215] Fix | Delete

* Attempt to associate posts and menu items with previously missing parents

[1216] Fix | Delete

[1217] Fix | Delete

* An imported post's parent may not have been imported when it was first created

[1218] Fix | Delete

* so try again. Similarly for child menu items and menu items which were missing

[1219] Fix | Delete

* the object (e.g. post) they represent in the menu

[1220] Fix | Delete

[1221] Fix | Delete

function backfill_parents() {

[1222] Fix | Delete

global $wpdb;

[1223] Fix | Delete

[1224] Fix | Delete

// find parents for post orphans

[1225] Fix | Delete

foreach ( $this->post_orphans as $child_id => $parent_id ) {

[1226] Fix | Delete

$local_child_id = false;

[1227] Fix | Delete

$local_parent_id = false;

[1228] Fix | Delete

if ( isset( $this->processed_posts[ $child_id ] ) ) {

[1229] Fix | Delete

$local_child_id = $this->processed_posts[ $child_id ];

[1230] Fix | Delete

}

[1231] Fix | Delete

if ( isset( $this->processed_posts[ $parent_id ] ) ) {

[1232] Fix | Delete

$local_parent_id = $this->processed_posts[ $parent_id ];

[1233] Fix | Delete

}

[1234] Fix | Delete

[1235] Fix | Delete

if ( $local_child_id && $local_parent_id ) {

[1236] Fix | Delete

$wpdb->update( $wpdb->posts, array( 'post_parent' => $local_parent_id ), array( 'ID' => $local_child_id ), '%d', '%d' );

[1237] Fix | Delete

clean_post_cache( $local_child_id );

[1238] Fix | Delete

}

[1239] Fix | Delete

}

[1240] Fix | Delete

[1241] Fix | Delete

// all other posts/terms are imported, retry menu items with missing associated object

[1242] Fix | Delete

$missing_menu_items = $this->missing_menu_items;

[1243] Fix | Delete

foreach ( $missing_menu_items as $item ) {

[1244] Fix | Delete

$this->process_menu_item( $item );

[1245] Fix | Delete

}

[1246] Fix | Delete

[1247] Fix | Delete

// find parents for menu item orphans

[1248] Fix | Delete

foreach ( $this->menu_item_orphans as $child_id => $parent_id ) {

[1249] Fix | Delete

$local_child_id = 0;

[1250] Fix | Delete

$local_parent_id = 0;

[1251] Fix | Delete

if ( isset( $this->processed_menu_items[ $child_id ] ) ) {

[1252] Fix | Delete

$local_child_id = $this->processed_menu_items[ $child_id ];

[1253] Fix | Delete

}

[1254] Fix | Delete

if ( isset( $this->processed_menu_items[ $parent_id ] ) ) {

[1255] Fix | Delete

$local_parent_id = $this->processed_menu_items[ $parent_id ];

[1256] Fix | Delete

}

[1257] Fix | Delete

[1258] Fix | Delete

if ( $local_child_id && $local_parent_id ) {

[1259] Fix | Delete

update_post_meta( $local_child_id, '_menu_item_menu_item_parent', (int) $local_parent_id );

[1260] Fix | Delete

}

[1261] Fix | Delete

}

[1262] Fix | Delete

}

[1263] Fix | Delete

[1264] Fix | Delete

/**

[1265] Fix | Delete

* Use stored mapping information to update old attachment URLs

[1266] Fix | Delete

[1267] Fix | Delete

function backfill_attachment_urls() {

[1268] Fix | Delete

global $wpdb;

[1269] Fix | Delete

// make sure we do the longest urls first, in case one is a substring of another

[1270] Fix | Delete

uksort( $this->url_remap, array( &$this, 'cmpr_strlen' ) );

[1271] Fix | Delete

[1272] Fix | Delete

foreach ( $this->url_remap as $from_url => $to_url ) {

[1273] Fix | Delete

// remap urls in post_content

[1274] Fix | Delete

$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->posts} SET post_content = REPLACE(post_content, %s, %s)", $from_url, $to_url ) );

[1275] Fix | Delete

// remap enclosure urls

[1276] Fix | Delete

$result = $wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->postmeta} SET meta_value = REPLACE(meta_value, %s, %s) WHERE meta_key='enclosure'", $from_url, $to_url ) );

[1277] Fix | Delete

}

[1278] Fix | Delete

}

[1279] Fix | Delete

[1280] Fix | Delete

/**

[1281] Fix | Delete

* Update _thumbnail_id meta to new, imported attachment IDs

[1282] Fix | Delete

[1283] Fix | Delete

function remap_featured_images() {

[1284] Fix | Delete

// cycle through posts that have a featured image

[1285] Fix | Delete

foreach ( $this->featured_images as $post_id => $value ) {

[1286] Fix | Delete

if ( isset( $this->processed_posts[ $value ] ) ) {

[1287] Fix | Delete

$new_id = $this->processed_posts[ $value ];

[1288] Fix | Delete

// only update if there's a difference

[1289] Fix | Delete

if ( $new_id != $value ) {

[1290] Fix | Delete

update_post_meta( $post_id, '_thumbnail_id', $new_id );

[1291] Fix | Delete

}

[1292] Fix | Delete

}

[1293] Fix | Delete

}

[1294] Fix | Delete

}

[1295] Fix | Delete

[1296] Fix | Delete

/**

[1297] Fix | Delete

* Parse a WXR file

[1298] Fix | Delete

[1299] Fix | Delete

* @param string $file Path to WXR file for parsing

[1300] Fix | Delete

* @return array Information gathered from the WXR file

[1301] Fix | Delete

[1302] Fix | Delete

function parse( $file ) {

[1303] Fix | Delete

$parser = new WXR_Parser();

[1304] Fix | Delete

return $parser->parse( $file );

[1305] Fix | Delete

}

[1306] Fix | Delete

[1307] Fix | Delete

// Display import page title

[1308] Fix | Delete

function header() {

[1309] Fix | Delete

echo '<div class="wrap">';

[1310] Fix | Delete

echo '<h2>' . __( 'Import WordPress', 'wordpress-importer' ) . '</h2>';

[1311] Fix | Delete

[1312] Fix | Delete

$updates = get_plugin_updates();

[1313] Fix | Delete

$basename = plugin_basename( __FILE__ );

[1314] Fix | Delete

if ( isset( $updates[ $basename ] ) ) {

[1315] Fix | Delete

$update = $updates[ $basename ];

[1316] Fix | Delete

echo '<div class="error"><p><strong>';

[1317] Fix | Delete

printf( __( 'A new version of this importer is available. Please update to version %s to ensure compatibility with newer export files.', 'wordpress-importer' ), $update->update->new_version );

[1318] Fix | Delete

echo '</strong></p></div>';

[1319] Fix | Delete

}

[1320] Fix | Delete

}

[1321] Fix | Delete

[1322] Fix | Delete

// Close div.wrap

[1323] Fix | Delete

function footer() {

[1324] Fix | Delete

echo '</div>';

[1325] Fix | Delete

}

[1326] Fix | Delete

[1327] Fix | Delete

/**

[1328] Fix | Delete

* Display introductory text and file upload form

[1329] Fix | Delete

[1330] Fix | Delete

function greet() {

[1331] Fix | Delete

echo '<div class="narrow">';

[1332] Fix | Delete

echo '<p>' . __( 'Howdy! Upload your WordPress eXtended RSS (WXR) file and we’ll import the posts, pages, comments, custom fields, categories, and tags into this site.', 'wordpress-importer' ) . '</p>';

[1333] Fix | Delete

echo '<p>' . __( 'Choose a WXR (.xml) file to upload, then click Upload file and import.', 'wordpress-importer' ) . '</p>';

[1334] Fix | Delete

wp_import_upload_form( 'admin.php?import=wordpress&step=1' );

[1335] Fix | Delete

echo '</div>';

[1336] Fix | Delete

}

[1337] Fix | Delete

[1338] Fix | Delete

/**

[1339] Fix | Delete

* Decide if the given meta key maps to information we will want to import

[1340] Fix | Delete

[1341] Fix | Delete

* @param string $key The meta key to check

[1342] Fix | Delete

* @return string|bool The key if we do want to import, false if not

[1343] Fix | Delete

[1344] Fix | Delete

function is_valid_meta_key( $key ) {

[1345] Fix | Delete

// skip attachment metadata since we'll regenerate it from scratch

[1346] Fix | Delete

// skip _edit_lock as not relevant for import

[1347] Fix | Delete

if ( in_array( $key, array( '_wp_attached_file', '_wp_attachment_metadata', '_edit_lock' ), true ) ) {

[1348] Fix | Delete

return false;

[1349] Fix | Delete

}

[1350] Fix | Delete

return $key;

[1351] Fix | Delete

}

[1352] Fix | Delete

[1353] Fix | Delete

/**

[1354] Fix | Delete

* Decide whether or not the importer is allowed to create users.

[1355] Fix | Delete

* Default is true, can be filtered via import_allow_create_users

[1356] Fix | Delete

[1357] Fix | Delete

* @return bool True if creating users is allowed

[1358] Fix | Delete

[1359] Fix | Delete

function allow_create_users() {

[1360] Fix | Delete

return apply_filters( 'import_allow_create_users', true );

[1361] Fix | Delete

}

[1362] Fix | Delete

[1363] Fix | Delete

/**

[1364] Fix | Delete

* Decide whether or not the importer should attempt to download attachment files.

[1365] Fix | Delete

* Default is true, can be filtered via import_allow_fetch_attachments. The choice

[1366] Fix | Delete

* made at the import options screen must also be true, false here hides that checkbox.

[1367] Fix | Delete

[1368] Fix | Delete

* @return bool True if downloading attachments is allowed

[1369] Fix | Delete

[1370] Fix | Delete

function allow_fetch_attachments() {

[1371] Fix | Delete

return apply_filters( 'import_allow_fetch_attachments', true );

[1372] Fix | Delete

}

[1373] Fix | Delete

[1374] Fix | Delete

/**

[1375] Fix | Delete

* Decide what the maximum file size for downloaded attachments is.

[1376] Fix | Delete

* Default is 0 (unlimited), can be filtered via import_attachment_size_limit

[1377] Fix | Delete

[1378] Fix | Delete

* @return int Maximum attachment file size to import

[1379] Fix | Delete

[1380] Fix | Delete

function max_attachment_size() {

[1381] Fix | Delete

return apply_filters( 'import_attachment_size_limit', 0 );

[1382] Fix | Delete

}

[1383] Fix | Delete

[1384] Fix | Delete

/**

[1385] Fix | Delete

* Added to http_request_timeout filter to force timeout at 60 seconds during import

[1386] Fix | Delete

* @return int 60

[1387] Fix | Delete

[1388] Fix | Delete

function bump_request_timeout( $val ) {

[1389] Fix | Delete

return 60;

[1390] Fix | Delete

}

[1391] Fix | Delete

[1392] Fix | Delete

// return the difference in length between two strings

[1393] Fix | Delete

function cmpr_strlen( $a, $b ) {

[1394] Fix | Delete

return strlen( $b ) - strlen( $a );

[1395] Fix | Delete

}

[1396] Fix | Delete

[1397] Fix | Delete

/**

[1398] Fix | Delete

* Parses filename from a Content-Disposition header value.

[1399] Fix | Delete

[1400] Fix | Delete

* As per RFC6266:

[1401] Fix | Delete

[1402] Fix | Delete

* content-disposition = "Content-Disposition" ":"

[1403] Fix | Delete

* disposition-type *( ";" disposition-parm )

[1404] Fix | Delete

[1405] Fix | Delete

* disposition-type = "inline" | "attachment" | disp-ext-type

[1406] Fix | Delete

* ; case-insensitive

[1407] Fix | Delete

* disp-ext-type = token

[1408] Fix | Delete

[1409] Fix | Delete

* disposition-parm = filename-parm | disp-ext-parm

[1410] Fix | Delete

[1411] Fix | Delete

* filename-parm = "filename" "=" value

[1412] Fix | Delete

* | "filename*" "=" ext-value

[1413] Fix | Delete

[1414] Fix | Delete

* disp-ext-parm = token "=" value

[1415] Fix | Delete

* | ext-token "=" ext-value

[1416] Fix | Delete

* ext-token = <the characters in token, followed by "*">

[1417] Fix | Delete

[1418] Fix | Delete

* @since 0.7.0

[1419] Fix | Delete

[1420] Fix | Delete

* @see WP_REST_Attachments_Controller::get_filename_from_disposition()

[1421] Fix | Delete

[1422] Fix | Delete

* @link http://tools.ietf.org/html/rfc2388

[1423] Fix | Delete

* @link http://tools.ietf.org/html/rfc6266

[1424] Fix | Delete

[1425] Fix | Delete

* @param string[] $disposition_header List of Content-Disposition header values.

[1426] Fix | Delete

* @return string|null Filename if available, or null if not found.

[1427] Fix | Delete

[1428] Fix | Delete

protected static function get_filename_from_disposition( $disposition_header ) {

[1429] Fix | Delete

// Get the filename.

[1430] Fix | Delete

$filename = null;

[1431] Fix | Delete

[1432] Fix | Delete

foreach ( $disposition_header as $value ) {

[1433] Fix | Delete

$value = trim( $value );

[1434] Fix | Delete

[1435] Fix | Delete

if ( strpos( $value, ';' ) === false ) {

[1436] Fix | Delete

continue;

[1437] Fix | Delete

}

[1438] Fix | Delete

[1439] Fix | Delete

list( $type, $attr_parts ) = explode( ';', $value, 2 );

[1440] Fix | Delete

[1441] Fix | Delete

$attr_parts = explode( ';', $attr_parts );

[1442] Fix | Delete

$attributes = array();

[1443] Fix | Delete

[1444] Fix | Delete

foreach ( $attr_parts as $part ) {

[1445] Fix | Delete

if ( strpos( $part, '=' ) === false ) {

[1446] Fix | Delete

continue;

[1447] Fix | Delete

}

[1448] Fix | Delete

[1449] Fix | Delete

list( $key, $value ) = explode( '=', $part, 2 );

[1450] Fix | Delete

[1451] Fix | Delete

$attributes[ trim( $key ) ] = trim( $value );

[1452] Fix | Delete

}

[1453] Fix | Delete

[1454] Fix | Delete

if ( empty( $attributes['filename'] ) ) {

[1455] Fix | Delete

continue;

[1456] Fix | Delete

}

[1457] Fix | Delete

[1458] Fix | Delete

$filename = trim( $attributes['filename'] );

[1459] Fix | Delete

[1460] Fix | Delete

// Unquote quoted filename, but after trimming.

[1461] Fix | Delete

if ( substr( $filename, 0, 1 ) === '"' && substr( $filename, -1, 1 ) === '"' ) {

[1462] Fix | Delete

$filename = substr( $filename, 1, -1 );

[1463] Fix | Delete

}

[1464] Fix | Delete

}

[1465] Fix | Delete

[1466] Fix | Delete

return $filename;

[1467] Fix | Delete

}

[1468] Fix | Delete

[1469] Fix | Delete

/**

[1470] Fix | Delete

* Retrieves file extension by mime type.

[1471] Fix | Delete

[1472] Fix | Delete

* @since 0.7.0

[1473] Fix | Delete

[1474] Fix | Delete

* @param string $mime_type Mime type to search extension for.

[1475] Fix | Delete

* @return string|null File extension if available, or null if not found.

[1476] Fix | Delete

[1477] Fix | Delete

protected static function get_file_extension_by_mime_type( $mime_type ) {

[1478] Fix | Delete

static $map = null;

[1479] Fix | Delete

[1480] Fix | Delete

if ( is_array( $map ) ) {

[1481] Fix | Delete

return isset( $map[ $mime_type ] ) ? $map[ $mime_type ] : null;

[1482] Fix | Delete

}

[1483] Fix | Delete

[1484] Fix | Delete

$mime_types = wp_get_mime_types();

[1485] Fix | Delete

$map = array_flip( $mime_types );

[1486] Fix | Delete

[1487] Fix | Delete

// Some types have multiple extensions, use only the first one.

[1488] Fix | Delete

foreach ( $map as $type => $extensions ) {

[1489] Fix | Delete

$map[ $type ] = strtok( $extensions, '|' );

[1490] Fix | Delete

}

[1491] Fix | Delete

[1492] Fix | Delete

return isset( $map[ $mime_type ] ) ? $map[ $mime_type ] : null;

[1493] Fix | Delete

}

[1494] Fix | Delete

}

[1495] Fix | Delete

[1496] Fix | Delete

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