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95 lines
2.7 KiB
95 lines
2.7 KiB
"use strict";
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var Key = require('./Key');
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var KJUR = require('./x509');
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var assert = require('assert');
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var PayPro = require('../PayPro');
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var RootCerts = require('../RootCerts');
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PayPro.sign = function(key) {
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if (this.messageType !== 'PaymentRequest')
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throw new Error('Signing can only be performed on a PaymentRequest');
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var pki_type = this.get('pki_type');
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if (pki_type === 'SIN') {
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var sig = this.sinSign(key);
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} else if (pki_type === 'x509+sha256' || pki_type === 'x509+sha1') {
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throw new Error('x509 currently unsuported.');
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} else if (pki_type === 'x509+sha1' || pki_type === 'x509+sha256') {
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var crypto = require('crypto');
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var pki_data = this.get('pki_data'); // contains one or more x509 certs
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var type = pki_type.split('+')[1].toUpperCase();
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var buf = this.serializeForSig();
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var trusted = [].concat(pki_data).every(function(cert) {
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var der = cert.toString('hex');
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var pem = KJUR.asn1.ASN1Util.getPEMStringFromHex(der, 'CERTIFICATE');
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return !!RootCerts[pem.replace(/\s+/g, '')];
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});
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if (!trusted) {
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// throw new Error('Unstrusted certificate.');
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}
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var jsrsaSig = new KJUR.crypto.Signature({
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alg: type + 'withRSA',
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prov: 'cryptojs/jsrsa'
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});
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jsrsaSig.initSign(key);
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jsrsaSig.updateHex(buf.toString('hex'));
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var sig = new Buffer(jsrsasig.sign(), 'hex');
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} else if (pki_type === 'none') {
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return this;
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} else {
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throw new Error('Unsupported pki_type');
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}
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this.set('signature', sig);
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return this;
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};
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PayPro.verify = function() {
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if (this.messageType !== 'PaymentRequest')
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throw new Error('Verifying can only be performed on a PaymentRequest');
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var pki_type = this.get('pki_type');
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if (pki_type === 'SIN') {
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return this.sinVerify();
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} else if (pki_type === 'x509+sha1' || pki_type === 'x509+sha256') {
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var sig = this.get('signature');
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var pki_data = this.get('pki_data');
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var buf = this.serializeForSig();
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var type = pki_type.split('+')[1].toUpperCase();
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var jsrsaSig = new KJUR.crypto.Signature({
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alg: type + 'withRSA',
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prov: 'cryptojs/jsrsa'
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});
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return [].concat(pki_data).every(function(cert) {
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var der = cert.toString('hex');
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var pem = KJUR.asn1.ASN1Util.getPEMStringFromHex(der, 'CERTIFICATE');
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if (!RootCerts[pem.replace(/\s+/g, '')]) {
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// throw new Error('Unstrusted certificate.');
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}
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jsrsaSig.initVerifyByCertificatePEM(pem);
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jsrsaSig.updateHex(buf.toString('hex'));
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return jsrsaSig.verify(sig.toString('hex'));
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});
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} else if (pki_type === 'none') {
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return true;
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}
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throw new Error('Unsupported pki_type');
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};
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module.exports = Point;
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