comparing signstr encoding of `alipay.user.agreement.page.sign`

test.js

// comparing signstr encoding of `alipay.user.agreement.page.sign`

const querystring = require('querystring')

function step1 (params) {
  return querystring.stringify(params)
}

function step2 (qs) {
  return encodeURIComponent(qs)
}

function assert (title, actual, expected) {
  let isEqual
  actual = actual.toLowerCase()
  expected = expected.toLowerCase()
  isEqual = actual === expected
  console.log(title, isEqual)
  if (!isEqual) {
    console.log('actual:', actual)
    console.log('expected:', expected)
  }
}

const biz = {
  "access_params": {
    "channel": "ALIPAYAPP"
  },
  "external_agreement_no": "beijignditie_1",
  "identity_params": {
    "cert_no": "610402196908019453",
    "user_name": "jbuflp"
  },
  "personal_product_code": "GENERAL_WITHHOLDING_P",
  "sign_scene": "INDUSTRY|METRO",
  "zm_auth_params": {
    "buckle_app_id": "1001164",
    "buckle_merchant_id": "268820000000414397785"
  }
}

const params = {
  "biz_content": JSON.stringify(biz),
  "sign": "CxxysLRx0P/dEuSTw/xsH+utBXMDto5ez2fvtg5NmtxAhbp45BIUJfjM+KRsqNMTSPqtTXuOWxieUvFxTHA9aodPpc7Wbjx/1RUI0sT/YJI34PH2Xv0qtCMBT4wunP3J2ZKYByVNRKRGZ0etb0LuhuxPikSyQy8qKn/GsXQJ04c=",
  "timestamp": "2017-06-29 21:06:02",
  "sign_type": "RSA",
  "charset": "UTF-8",
  "app_id": "2017060101317939",
  "method": "alipay.user.agreement.page.sign",
  "version": "1.0"
}

/**
  * document: https://docs.alipay.com/pre-open/20170601105911096277/cmgtz2#a-nameftodioa%E7%A4%BA%E4%BE%8B
  */
const result_1_from_document = 'biz_content={"access_params"%3A{"channel"%3A"ALIPAYAPP"}%2C"external_agreement_no"%3A"beijignditie_1"%2C"identity_params"%3A{"cert_no"%3A"610402196908019453"%2C"user_name"%3A"jbuflp"}%2C"personal_product_code"%3A"GENERAL_WITHHOLDING_P"%2C"sign_scene"%3A"INDUSTRY|METRO"%2C"zm_auth_params"%3A{"buckle_app_id"%3A"1001164"%2C"buckle_merchant_id"%3A"268820000000414397785"}}&sign=CxxysLRx0P%2FdEuSTw%2FxsH%2ButBXMDto5ez2fvtg5NmtxAhbp45BIUJfjM%2BKRsqNMTSPqtTXuOWxieUvFxTHA9aodPpc7Wbjx%2F1RUI0sT%2FYJI34PH2Xv0qtCMBT4wunP3J2ZKYByVNRKRGZ0etb0LuhuxPikSyQy8qKn%2FGsXQJ04c%3D&timestamp=2017-06-29+21%3A06%3A02&sign_type=RSA&charset=UTF-8&app_id=2017060101317939&method=alipay.user.agreement.page.sign&version=1.0'
const result_2_from_document = 'biz_content%3d%257B%2522access_params%2522%253A%257B%2522channel%2522%253A%2522ALIPAYAPP%2522%257D%252C%2522external_agreement_no%2522%253A%2522beijignditie_1%2522%252C%2522identity_params%2522%253A%257B%2522cert_no%2522%253A%2522610402196908019453%2522%252C%2522user_name%2522%253A%2522jbuflp%2522%257D%252C%2522personal_product_code%2522%253A%2522GENERAL_WITHHOLDING_P%2522%252C%2522sign_scene%2522%253A%2522INDUSTRY%257CMETRO%2522%252C%2522zm_auth_params%2522%253A%257B%2522buckle_app_id%2522%253A%25221001164%2522%252C%2522buckle_merchant_id%2522%253A%2522268820000000414397785%2522%257D%257D%26sign%3dCxxysLRx0P%252FdEuSTw%252FxsH%252ButBXMDto5ez2fvtg5NmtxAhbp45BIUJfjM%252BKRsqNMTSPqtTXuOWxieUvFxTHA9aodPpc7Wbjx%252F1RUI0sT%252FYJI34PH2Xv0qtCMBT4wunP3J2ZKYByVNRKRGZ0etb0LuhuxPikSyQy8qKn%252FGsXQJ04c%253D%26timestamp%3d2017-06-29%2b21%253A06%253A02%26sign_type%3dRSA%26charset%3dUTF-8%26app_id%3d2017060101317939%26method%3dalipay.user.agreement.page.sign%26version%3d1.0'

let result_1 = step1(params)
assert('result of step 1:', result_1, result_1_from_document)
let result_2 = step2(result_1)
assert('reuslt of step 2:', result_2, result_2_from_document)