palmpaywrappersdk/dist/RequestDTOs/SignUtil2.js

PalmPay Wrapper Sdk

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SignUtil = void 0;
const jsrsasign_1 = require("jsrsasign");
const md5_1 = __importDefault(require("md5"));
const PEM_BEGIN = '-----BEGIN PRIVATE KEY-----\n';
const PEM_END = '-----END PRIVATE KEY-----\n';
const HashMap = {
    SHA256withRSA: 'SHA256withRSA',
    SHA1withRSA: 'SHA1withRSA',
};
class SignUtil {
    static rsaSign(content, privateKey, hash) {
        const _privateKey = this._formatKey(privateKey);
        const signature = new jsrsasign_1.KJUR.crypto.Signature({
            alg: hash,
        });
        signature.init(_privateKey);
        signature.updateString(content);
        const signData = signature.sign();
        return (0, jsrsasign_1.hextob64)(signData);
    }
    static sign(params, privateKey) {
        let parseStr = Object.keys(params)
            .sort()
            .filter((item) => params[item])
            .map((item) => `${item}=${params[item]}`)
            .join('&');
        console.log('parseStr', parseStr);
        parseStr = (0, md5_1.default)(parseStr).toUpperCase();
        console.log('MD5', parseStr);
        const str = this.rsaSign(parseStr, privateKey, HashMap.SHA1withRSA);
        console.log('sign', str);
        return str;
    }
    static _formatKey(key) {
        if (!key.startsWith(PEM_BEGIN)) {
            key = PEM_BEGIN + key;
        }
        if (!key.endsWith(PEM_END)) {
            key = key + PEM_END;
        }
        return key;
    }
}
exports.SignUtil = SignUtil;