pebble/sdk/tools/webpack/restricted-resource-loader.js
2025-01-27 11:38:16 -08:00

40 lines
1.4 KiB
JavaScript

/**
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var fs = require('fs');
module.exports = function(source) {
// Set this loader to cacheable
this.cacheable();
// Whitelist files in the current project
var whitelisted_folders = [this.options.context];
// Whitelist files from the SDK-appended search paths
whitelisted_folders = whitelisted_folders.concat(this.options.resolve.root);
// Iterate over whitelisted file paths
for (var i=0; i<whitelisted_folders.length; i++) {
// If resource file is from a whitelisted path, return source
if (~this.resourcePath.indexOf(fs.realpathSync(whitelisted_folders[i]))) {
return source;
}
}
// If the resource file is not from a whitelisted path, emit an error and fail the build
this.emitError("Requiring a file outside of the current project folder is not permitted.");
return "";
};