@jahed/terraform/lib/getExpectedHash.js

A wrapper which downloads and runs Terraform locally via npm.

"use strict";
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getExpectedHash = getExpectedHash;
const promises_1 = require("node:fs/promises");
const node_path_1 = __importDefault(require("node:path"));
const openpgp = __importStar(require("openpgp"));
const download_1 = require("./download");
const getDownloadFilename_1 = require("./getDownloadFilename");
function getHashesUrl({ version }) {
    return `https://releases.hashicorp.com/terraform/${version}/terraform_${version}_SHA256SUMS`;
}
async function getExpectedHash(args) {
    const hashUrl = getHashesUrl(args);
    const hashes = await (0, download_1.download)(hashUrl);
    const publicKey = await openpgp.readKey({
        armoredKey: await (0, promises_1.readFile)(node_path_1.default.resolve(__dirname, "../hashicorp.asc"), "utf-8"),
    });
    const signature = await openpgp.readSignature({
        binarySignature: await (0, download_1.download)(`${hashUrl}.72D7468F.sig`),
    });
    const { signatures: [{ verified }], } = await openpgp.verify({
        message: await openpgp.createMessage({ binary: hashes }),
        signature,
        verificationKeys: publicKey,
    });
    try {
        await verified;
    }
    catch {
        throw new Error("hashes not signed by hashicorp");
    }
    const filename = (0, getDownloadFilename_1.getDownloadFilename)(args);
    for (const line of hashes.toString().trim().split("\n")) {
        const [hash, hashFilename] = line.split("  ");
        if (hashFilename === filename) {
            return hash;
        }
    }
    throw new Error(`expected hash not found for file (${filename})`);
}