Global Modules

exports = function() {
  const signingMethod = "HS512";
  const payload = {
    "sub": "1234567890",
    "name": "Joe Example",
    "iat": 1565721223187
  };
  const secret = "SuperSecret";
  return utils.jwt.encode(signingMethod, payload, secret);
}

exports = function(jwtString) {
  const key = "SuperSecret";
  return utils.jwt.decode(jwtString, key, false, ["HS512"]);
}

exports = function() {
  const message = "MongoDB is great!"
  const key = context.values.get("aesEncryptionKey");
  const encryptedMessage = utils.crypto.encrypt("aes", message, key);
  return encryptedMessage.toBase64();
}

exports = function(encryptedMessage) {
  // The encrypted message must be a BSON.Binary
  if(typeof encryptedMessage === "string") {
    encryptedMessage = BSON.Binary.fromBase64(encryptedMessage)
  }
  const key = context.values.get("aesEncryptionKey");
  const decryptedMessage = utils.crypto.decrypt("aes", encryptedMessage, key);
  return decryptedMessage.text();
}

exports = function() {
  const message = "MongoDB is great!"
  const rsaPrivateKey = context.values.get("rsaPrivateKey");
  const signature = utils.crypto.sign("rsa", message, rsaPrivateKey, "pss");
  return signature.toBase64();
}

exports = function() {
  const rsaPublicKey = context.values.get("rsaPublicKey");
  const message = "MongoDB is great!"
  const signature = BSON.Binary.fromBase64("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")
  const isValid = utils.crypto.verify("rsa", message, rsaPublicKey, signature, "pss");
  return isValid; // true if the signature matches, else false
}

exports = function() {
  const signature = utils.crypto.hmac(
    "hello!",
    "super-secret",
    "sha256",
    "base64"
  )
  return signature
}

exports = function() {
  return utils.crypto.hash(
    "sha256",
    "hello!"
  )
}

exports = function() {
  const jsonString = `{
    "answer": 42,
    "submittedAt": "2020-03-02T16:50:24.475Z"
  }`;
  return JSON.parse(jsonString);
}

exports = function() {
  const jsonObject = {
    answer: 42,
    submittedAt: new Date("2020-03-02T16:46:47.977Z")
  };
  return JSON.stringify(jsonObject);
}

exports = function() {
  const ejsonString = `{
    "answer": {
      "$numberLong": "42"
    },
    "submittedAt": {
      "$date": {
        "$numberLong": "1583167607977"
      }
    }
  }`;
  return EJSON.parse(ejsonString);
}

exports = function() {
  const jsonObject = {
    answer: 42,
    submittedAt: new Date("2020-03-02T16:46:47.977Z")
  };
  return EJSON.stringify(jsonObject);
}

export = function() {
  const binary = BSON.Binary.fromHex(
      "54657374206d65737361676520706c656173652069676e6f7265="
    );
  const hexString = binary.toHex();
  return hexString
}