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48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
/* jshint esversion: 6 */
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/* global process */
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const Nacl = require('tweetnacl/nacl-fast');
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// XXX npm "os" and "child_process"
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// TODO if this process is using too much CPU, we can use "cluster" to add load balancing to this code
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console.log('New child process', process.pid);
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process.on('message', function (data) {
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console.log('In process', process.pid);
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console.log(+new Date(), "Message received by subprocess");
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if (!data || !data.key || !data.msg || !data.txid) {
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process.send({
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error:'E_INVAL'
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});
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return;
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}
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const txid = data.txid;
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const signedMsg = Nacl.util.decodeBase64(data.msg);
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var validateKey;
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try {
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validateKey = Nacl.util.decodeBase64(data.key);
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} catch (e) {
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process.send({
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txid: txid,
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error:'E_BADKEY'
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});
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return;
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}
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// validate the message
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const validated = Nacl.sign.open(signedMsg, validateKey);
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if (!validated) {
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process.send({
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txid: txid,
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error:'FAILED'
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});
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return;
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}
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console.log(+new Date(), "Verification done in the subprocess");
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process.send({
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txid: txid,
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success: true
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});
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});
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