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mymonero-core-js/monero_utils/monero_paymentID_utils.js

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2.9 KiB

// Copyright (c) 2014-2019, MyMonero.com
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
"use strict";
//
function IsValidPaymentIDOrNoPaymentID(payment_id__orNil) {
if (
payment_id__orNil == null ||
payment_id__orNil == "" ||
typeof payment_id__orNil == "undefined"
) {
return true; // no pid
}
let payment_id = payment_id__orNil;
if (IsValidShortPaymentID(payment_id)) {
return true;
}
if (IsValidLongPaymentID(payment_id)) {
return true;
}
return false;
}
exports.IsValidPaymentIDOrNoPaymentID = IsValidPaymentIDOrNoPaymentID;
//
function IsValidShortPaymentID(payment_id) {
return IsValidPaymentIDOfLength(payment_id, 16);
}
exports.IsValidShortPaymentID = IsValidShortPaymentID;
//
function IsValidLongPaymentID(payment_id) {
return IsValidPaymentIDOfLength(payment_id, 64);
}
exports.IsValidLongPaymentID = IsValidLongPaymentID;
//
function IsValidPaymentIDOfLength(payment_id, required_length) {
if (required_length != 16 && required_length != 64) {
throw "unexpected IsValidPaymentIDOfLength required_length";
}
let payment_id_length = payment_id.length;
if (payment_id_length !== required_length) {
// new encrypted short
return false; // invalid length
}
let pattern = RegExp("^[0-9a-fA-F]{" + required_length + "}$");
if (pattern.test(payment_id) != true) {
// not a valid required_length char pid
return false; // then not valid
}
return true;
}
exports.IsValidShortPaymentID = IsValidShortPaymentID;