53 lines
2.2 KiB
JavaScript
53 lines
2.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _webpack = require("next/dist/compiled/webpack/webpack");
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var _crypto = _interopRequireDefault(require("crypto"));
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var _constants = require("../../../shared/lib/constants");
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {
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default: obj
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};
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}
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const PLUGIN_NAME = "SubresourceIntegrityPlugin";
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class SubresourceIntegrityPlugin {
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constructor(algorithm){
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this.algorithm = algorithm;
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}
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apply(compiler) {
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compiler.hooks.make.tap(PLUGIN_NAME, (compilation)=>{
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compilation.hooks.afterOptimizeAssets.tap({
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name: PLUGIN_NAME,
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stage: _webpack.webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS
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}, (assets)=>{
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// Collect all the assets.
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let files = new Set();
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for (const asset of compilation.getAssets()){
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files.add(asset.name);
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}
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// For each file, deduped, calculate the file hash.
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const hashes = {};
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for (const file of files.values()){
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// Get the buffer for the asset.
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const asset = assets[file];
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if (!asset) {
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throw new Error(`could not get asset: ${file}`);
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}
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// Get the buffer for the asset.
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const buffer = asset.buffer();
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// Create the hash for the content.
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const hash = _crypto.default.createHash(this.algorithm).update(buffer).digest().toString("base64");
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hashes[file] = `${this.algorithm}-${hash}`;
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}
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const json = JSON.stringify(hashes, null, 2);
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const file1 = "server/" + _constants.SUBRESOURCE_INTEGRITY_MANIFEST;
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assets[file1 + ".js"] = new _webpack.sources.RawSource("self.__SUBRESOURCE_INTEGRITY_MANIFEST=" + json);
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assets[file1 + ".json"] = new _webpack.sources.RawSource(json);
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});
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});
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}
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}
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exports.SubresourceIntegrityPlugin = SubresourceIntegrityPlugin;
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//# sourceMappingURL=subresource-integrity-plugin.js.map
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