Function encryptPayload

wxapp/nice.js:74–84

(data)

}

function encryptPayload(data) {
    const t = Math.floor(Date.now() / 1000);
    const date = formatDateTime(t);
    const key = Buffer.from(md5(ENCRYPT_SALT + date + t).substring(8, 24));
    const iv = Buffer.from(md5(date + t + ENCRYPT_SALT).substring(8, 24));
    const cipher = crypto.createCipheriv("aes-128-cbc", key, iv);
    cipher.setAutoPadding(false);
    const input = zeroPad(Buffer.from(JSON.stringify(data), "utf8"));
    const encode = Buffer.concat([cipher.update(input), cipher.final()]).toString("base64");
    return { encode, t, bd: BRAND_ID };
}

function isTokenError(message) {
    return /40313|40317|unlogin|token|登录|授权|invalid/i.test(String(message || ""));