[fa375fe] | 1 | #!/usr/bin/env node
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| 2 |
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| 3 | 'use strict';
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| 4 |
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| 5 | /*!
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| 6 | * Script to generate SRI hashes for use in our docs.
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| 7 | * Remember to use the same vendor files as the CDN ones,
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| 8 | * otherwise the hashes won't match!
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| 9 | *
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| 10 | * Copyright 2017-2019 The Bootstrap Authors
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| 11 | * Copyright 2017-2019 Twitter, Inc.
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| 12 | * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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| 13 | */
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| 14 |
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| 15 | var crypto = require('crypto');
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| 16 | var fs = require('fs');
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| 17 | var path = require('path');
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| 18 | var replace = require('replace-in-file');
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| 19 |
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| 20 | var configFile = path.join(__dirname, '../_config.yml');
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| 21 |
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| 22 | // Array of objects which holds the files to generate SRI hashes for.
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| 23 | // `file` is the path from the root folder
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| 24 | // `configPropertyName` is the _config.yml variable's name of the file
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| 25 | var files = [
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| 26 | {
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| 27 | file: 'dist/css/bootstrap.min.css',
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| 28 | configPropertyName: 'css_hash'
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| 29 | },
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| 30 | {
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| 31 | file: 'dist/css/bootstrap-theme.min.css',
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| 32 | configPropertyName: 'css_theme_hash'
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| 33 | },
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| 34 | {
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| 35 | file: 'dist/js/bootstrap.min.js',
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| 36 | configPropertyName: 'js_hash'
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| 37 | }
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| 38 | ];
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| 39 |
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| 40 | files.forEach(function (file) {
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| 41 | fs.readFile(file.file, 'utf8', function (err, data) {
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| 42 | if (err) {
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| 43 | throw err;
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| 44 | }
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| 45 |
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| 46 | var algo = 'sha384';
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| 47 | var hash = crypto.createHash(algo).update(data, 'utf8').digest('base64');
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| 48 | var integrity = algo + '-' + hash;
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| 49 |
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| 50 | console.log(file.configPropertyName + ': ' + integrity);
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| 51 |
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| 52 | try {
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| 53 | replace.sync({
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| 54 | files: configFile,
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| 55 | from: new RegExp('(\\s' + file.configPropertyName + ':\\s+"|\')(\\S+)("|\')'),
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| 56 | to: '$1' + integrity + '$3'
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| 57 | });
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| 58 | } catch (error) {
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| 59 | console.error('Error occurred:', error);
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| 60 | }
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| 61 | });
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| 62 | });
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