133 lines
2.8 KiB
JavaScript
133 lines
2.8 KiB
JavaScript
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/*!
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* letiny
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* Copyright(c) 2015 Anatol Sommer <anatol@anatol.at>
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* Some code used from https://github.com/letsencrypt/boulder/tree/master/test/js
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* MPL 2.0
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*/
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'use strict';
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var NOOP=function () {};
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var log=NOOP;
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var request=require('request');
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var cryptoUtil=require('./crypto-util');
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function Acme(privateKey) {
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this.privateKey=privateKey;
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this.nonces=[];
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}
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Acme.prototype.getNonce=function(url, cb) {
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var self=this;
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request.head({
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url:url,
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}, function(err, res/*, body*/) {
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if (err) {
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return cb(err);
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}
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if (res && 'replay-nonce' in res.headers) {
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log('Storing nonce: '+res.headers['replay-nonce']);
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self.nonces.push(res.headers['replay-nonce']);
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cb();
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return;
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}
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cb(new Error('Failed to get nonce for request'));
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});
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};
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Acme.prototype.post=function(url, body, cb) {
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var self=this, payload, jws, signed;
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if (this.nonces.length===0) {
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this.getNonce(url, function(err) {
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if (err) {
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return cb(err);
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}
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self.post(url, body, cb);
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});
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return;
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}
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log('Using nonce: '+this.nonces[0]);
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payload=JSON.stringify(body, null, 2);
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jws=cryptoUtil.generateSignature(
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this.privateKey, new Buffer(payload), this.nonces.shift()
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);
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signed=JSON.stringify(jws, null, 2);
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log('Posting to '+url);
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log(signed.green);
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log('Payload:'+payload.blue);
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return request.post({
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url:url,
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body:signed,
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encoding:null
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}, function(err, res, body) {
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var parsed;
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if (err) {
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console.error(err);
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return cb(err);
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}
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if (res) {
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log(('HTTP/1.1 '+res.statusCode).yellow);
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}
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Object.keys(res.headers).forEach(function(key) {
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var value, upcased;
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value=res.headers[key];
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upcased=key.charAt(0).toUpperCase()+key.slice(1);
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log((upcased+': '+value).yellow);
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});
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if (body && !body.toString().match(/[^\x00-\x7F]/)) {
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try {
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parsed=JSON.parse(body);
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log(JSON.stringify(parsed, null, 2).cyan);
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} catch(err) {
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log(body.toString().cyan);
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}
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}
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if ('replay-nonce' in res.headers) {
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log('Storing nonce: '+res.headers['replay-nonce']);
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self.nonces.push(res.headers['replay-nonce']);
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}
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cb(err, res, body);
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});
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};
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Acme.parseLink = function parseLink(link) {
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var links;
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try {
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links=link.split(',').map(function(link) {
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var parts, url, info;
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parts=link.trim().split(';');
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url=parts.shift().replace(/[<>]/g, '');
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info=parts.reduce(function(acc, p) {
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var m=p.trim().match(/(.+) *= *"(.+)"/);
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if (m) {
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acc[m[1]]=m[2];
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}
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return acc;
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}, {});
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info.url=url;
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return info;
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}).reduce(function(acc, link) {
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if ('rel' in link) {
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acc[link.rel]=link.url;
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}
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return acc;
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}, {});
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return links;
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} catch(err) {
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return null;
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}
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};
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module.exports = Acme;
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