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91 lines
2.4 KiB
91 lines
2.4 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 Trusted = require('./Trusted');
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// Use hash table for efficiency:
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Trusted = Trusted.reduce(function(out, cert) {
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cert = cert.replace(/\s+/g, '');
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trusted[cert] = true;
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return trusted;
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}, {});
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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('+').toUpperCase();
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var buf = this.serializeForSig();
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// TODO: parse all certs
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var cert = pki_data.split(/-----BEGIN[^\n]*KEY-----/)[0].replace(/\s+/g, '');
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if (!Trusted[cert])) {
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; // untrusted cert
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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(pki_data);
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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('+').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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jsrsaSig.initVerifyByCertificatePEM(pki_data);
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jsrsaSig.updateHex(buf.toString('hex'));
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var result = jsrsaSig.verify(sig.toString('hex'));
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return result;
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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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