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getHttpsConfig.js
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66 lines (58 loc) · 1.82 KB
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"use strict";
const fs = require("fs");
const path = require("path");
const crypto = require("crypto");
const chalk = require("react-dev-utils/chalk");
const paths = require("./paths");
// Ensure the certificate and key provided are valid and if not
// throw an easy to debug error
function validateKeyAndCerts({ cert, key, keyFile, crtFile }) {
let encrypted;
try {
// publicEncrypt will throw an error with an invalid cert
encrypted = crypto.publicEncrypt(cert, Buffer.from("test"));
} catch (err) {
throw new Error(
`The certificate "${chalk.yellow(crtFile)}" is invalid.\n${err.message}`,
);
}
try {
// privateDecrypt will throw an error with an invalid key
crypto.privateDecrypt(key, encrypted);
} catch (err) {
throw new Error(
`The certificate key "${chalk.yellow(keyFile)}" is invalid.\n${
err.message
}`,
);
}
}
// Read file and throw an error if it doesn't exist
function readEnvFile(file, type) {
if (!fs.existsSync(file)) {
throw new Error(
`You specified ${chalk.cyan(
type,
)} in your env, but the file "${chalk.yellow(file)}" can't be found.`,
);
}
return fs.readFileSync(file);
}
// Get the https config
// Return cert files if provided in env, otherwise just true or false
function getHttpsConfig() {
const { SSL_CRT_FILE, SSL_KEY_FILE, HTTPS } = process.env;
const isHttps = HTTPS === "true";
if (isHttps && SSL_CRT_FILE && SSL_KEY_FILE) {
const crtFile = path.resolve(paths.appPath, SSL_CRT_FILE);
const keyFile = path.resolve(paths.appPath, SSL_KEY_FILE);
const config = {
cert: readEnvFile(crtFile, "SSL_CRT_FILE"),
key: readEnvFile(keyFile, "SSL_KEY_FILE"),
};
validateKeyAndCerts({ ...config, keyFile, crtFile });
return config;
}
return isHttps;
}
module.exports = getHttpsConfig;