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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 133x 527x 527x 527x 527x 494x 521x 33x 33x 1x 1x 33x 33x 33x 527x 3x 3x 527x 527x 133x | 'use strict';
const {
RegExpPrototypeExec,
decodeURIComponent,
} = primordials;
const { getOptionValue } = require('internal/options');
// Do not eagerly grab .manifest, it may be in TDZ
const policy = getOptionValue('--experimental-policy') ?
require('internal/process/policy') :
null;
const { Buffer } = require('buffer');
const fs = require('internal/fs/promises').exports;
const { URL } = require('internal/url');
const {
ERR_INVALID_URL,
ERR_INVALID_URL_SCHEME,
} = require('internal/errors').codes;
const readFileAsync = fs.readFile;
const DATA_URL_PATTERN = /^[^/]+\/[^,;]+(?:[^,]*?)(;base64)?,([\s\S]*)$/;
async function defaultGetSource(url, { format } = {}, defaultGetSource) {
const parsed = new URL(url);
let source;
if (parsed.protocol === 'file:') {
source = await readFileAsync(parsed);
} else if (parsed.protocol === 'data:') {
const match = RegExpPrototypeExec(DATA_URL_PATTERN, parsed.pathname);
if (!match) {
throw new ERR_INVALID_URL(url);
}
const { 1: base64, 2: body } = match;
source = Buffer.from(decodeURIComponent(body), base64 ? 'base64' : 'utf8');
} else {
throw new ERR_INVALID_URL_SCHEME(['file', 'data']);
}
if (policy?.manifest) {
policy.manifest.assertIntegrity(parsed, source);
}
return source;
}
exports.defaultGetSource = defaultGetSource;
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