FreeAllMedia/chupacabra

const UUID = require("uuid-1345");
const crypto = require("crypto");
const HashIds = require("hashids");

export default class Crypto {
    static getUUID() {
        return UUID.v4fast();
    }

    static hash(value) {
        const shasum = crypto.createHash("sha1");
        shasum.update(value);
        return shasum.digest("hex");
    }

    static encodeHashId(...options) {
        let content = options[0];
        let salt;
        if(options.length > 1) {
            content = options.splice(0, (options.length - 1));
            const lastOption = options[options.length - 1];
            if(typeof lastOption === "string") {
                salt = lastOption;
            } else {
                content.push(lastOption);
            }
        }

        const hashIds = new HashIds(salt);
        return hashIds.encode(content);
    }

    static decodeHashId(...options) {
        const content = options[0];
        const salt = options[1];
        const hashIds = new HashIds(salt || undefined);
        return hashIds.decode(content);
    }
}