519 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			519 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| var PromiseA = require('bluebird');
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| var RSA = PromiseA.promisifyAll(require('rsa-compat').RSA);
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| var mkdirpAsync = PromiseA.promisify(require('mkdirp'));
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| var path = require('path');
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| var fs = PromiseA.promisifyAll(require('fs'));
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| var sfs = require('safe-replace');
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| var LE = require('../');
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| var LeCore = PromiseA.promisifyAll(require('letiny-core'));
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| var Accounts = require('./accounts');
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| 
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| var merge = require('./common').merge;
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| var tplCopy = require('./common').tplCopy;
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| var fetchFromConfigLiveDir = require('./common').fetchFromDisk;
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| 
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| var ipc = {}; // in-process cache
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| 
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| function getAcmeUrls(args) {
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|   var now = Date.now();
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| 
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|   // TODO check response header on request for cache time
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|   if ((now - ipc.acmeUrlsUpdatedAt) < 10 * 60 * 1000) {
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|     return PromiseA.resolve(ipc.acmeUrls);
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|   }
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| 
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|   return LeCore.getAcmeUrlsAsync(args.server).then(function (data) {
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|     ipc.acmeUrlsUpdatedAt = Date.now();
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|     ipc.acmeUrls = data;
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| 
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|     return ipc.acmeUrls;
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|   });
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| }
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| 
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| function readRenewalConfig(args) {
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|   var pyconf = PromiseA.promisifyAll(require('pyconf'));
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| 
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|   return pyconf.readFileAsync(args.renewalPath).then(function (pyobj) {
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|     return pyobj;
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|   }, function () {
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|     return pyconf.readFileAsync(path.join(__dirname, 'renewal.conf.tpl')).then(function (pyobj) {
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|       return pyobj;
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|     });
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|   });
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| }
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| 
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| function writeRenewalConfig(args) {
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|   function log() {
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|     if (args.debug) {
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|       console.log.apply(console, arguments);
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|     }
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|   }
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| 
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|   var pyobj = args.pyobj;
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|   pyobj.checkpoints = parseInt(pyobj.checkpoints, 10) || 0;
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| 
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|   var pyconf = PromiseA.promisifyAll(require('pyconf'));
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| 
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|   var liveDir = args.liveDir || path.join(args.configDir, 'live', args.domains[0]);
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| 
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|   var certPath = args.certPath || pyobj.cert || path.join(liveDir, 'cert.pem');
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|   var fullchainPath = args.fullchainPath || pyobj.fullchain || path.join(liveDir, 'fullchain.pem');
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|   var chainPath = args.chainPath || pyobj.chain || path.join(liveDir, 'chain.pem');
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|   var privkeyPath = args.privkeyPath || pyobj.privkey
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|     //|| args.domainPrivateKeyPath || args.domainKeyPath || pyobj.keyPath
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|     || path.join(liveDir, 'privkey.pem');
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| 
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|   log('[le/core.js] privkeyPath', privkeyPath);
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| 
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|   var updates = {
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|     account: args.account.id
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|   , configDir: args.configDir
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|   , domains: args.domains
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| 
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|   , email: args.email
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|   , tos: args.agreeTos && true
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|     // yes, it's an array. weird, right?
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|   , webrootPath: args.webrootPath && [args.webrootPath] || []
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|   , server: args.server || args.acmeDiscoveryUrl
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| 
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|   , privkey: privkeyPath
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|   , fullchain: fullchainPath
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|   , cert: certPath
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|   , chain: chainPath
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| 
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|   , http01Port: args.http01Port
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|   , keyPath: args.domainPrivateKeyPath || args.privkeyPath
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|   , rsaKeySize: args.rsaKeySize || 2048
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|   , checkpoints: pyobj.checkpoints
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|     /* // TODO XXX what's the deal with these? they don't make sense
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|     // are they just old junk? or do they have a meaning that I don't know about?
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|   , fullchainPath: path.join(args.configDir, 'chain.pem')
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|   , certPath: path.join(args.configDir, 'cert.pem')
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|   , chainPath: path.join(args.configDir, 'chain.pem')
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|     */ // TODO XXX end
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|   , workDir: args.workDir
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|   , logsDir: args.logsDir
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|   };
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| 
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|   // final section is completely dynamic
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|   // :hostname = :webroot_path
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|   args.domains.forEach(function (hostname) {
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|     updates[hostname] = args.webrootPath;
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|   });
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| 
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|   // must write back to the original pyobject or
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|   // annotations will be lost
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|   Object.keys(updates).forEach(function (key) {
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|     pyobj[key] = updates[key];
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|   });
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| 
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|   return mkdirpAsync(path.dirname(args.renewalPath)).then(function () {
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|     return pyconf.writeFileAsync(args.renewalPath, pyobj);
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|   }).then(function () {
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|     // NOTE
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|     // writing twice seems to causes a bug,
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|     // so instead we re-read the file from the disk
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|     return pyconf.readFileAsync(args.renewalPath);
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|   });
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| }
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| 
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| function getOrCreateRenewal(args) {
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|   return readRenewalConfig(args).then(function (pyobj) {
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|     var minver = pyobj.checkpoints >= 0;
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| 
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|     args.pyobj = pyobj;
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| 
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|     if (!minver) {
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|       args.checkpoints = 0;
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|       pyobj.checkpoints = 0;
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|       return writeRenewalConfig(args);
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|     }
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| 
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|     // args.account.id = pyobj.account
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|     // args.configDir = args.configDir || pyobj.configDir;
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| 
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|     args.checkpoints = pyobj.checkpoints;
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| 
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|     args.agreeTos = (args.agreeTos || pyobj.tos) && true;
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|     args.email = args.email || pyobj.email;
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|     args.domains = args.domains || pyobj.domains;
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| 
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|     // yes, it's an array. weird, right?
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|     args.webrootPath = args.webrootPath || pyobj.webrootPath[0];
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|     args.server = args.server || args.acmeDiscoveryUrl || pyobj.server;
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| 
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|     args.certPath = args.certPath || pyobj.cert;
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|     args.privkeyPath = args.privkeyPath || pyobj.privkey;
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|     args.chainPath = args.chainPath || pyobj.chain;
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|     args.fullchainPath = args.fullchainPath || pyobj.fullchain;
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| 
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|   //, workDir: args.workDir
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|   //, logsDir: args.logsDir
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|     args.rsaKeySize = args.rsaKeySize || pyobj.rsaKeySize || 2048;
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|     args.http01Port = args.http01Port || pyobj.http01Port;
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|     args.domainKeyPath = args.domainPrivateKeyPath || args.domainKeyPath || args.keyPath || pyobj.keyPath;
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| 
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|     return writeRenewalConfig(args);
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|   });
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| }
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| 
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| function writeCertificateAsync(args, defaults, handlers) {
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|   function log() {
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|     if (args.debug) {
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|       console.log.apply(console, arguments);
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|     }
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|   }
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| 
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|   log("[le/core.js] got certificate!");
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| 
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|   var obj = args.pyobj;
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|   var result = args.pems;
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| 
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|   result.fullchain = result.cert + '\n' + (result.chain || result.ca);
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|   obj.checkpoints = parseInt(obj.checkpoints, 10) || 0;
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| 
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|   var liveDir = args.liveDir || path.join(args.configDir, 'live', args.domains[0]);
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| 
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|   var certPath = args.certPath || obj.cert || path.join(liveDir, 'cert.pem');
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|   var fullchainPath = args.fullchainPath || obj.fullchain || path.join(liveDir, 'fullchain.pem');
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|   var chainPath = args.chainPath || obj.chain || path.join(liveDir, 'chain.pem');
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|   var privkeyPath = args.privkeyPath || obj.privkey
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|     //|| args.domainPrivateKeyPath || args.domainKeyPath || obj.keyPath
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|     || path.join(liveDir, 'privkey.pem');
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| 
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|   log('[le/core.js] privkeyPath', privkeyPath);
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| 
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|   var archiveDir = args.archiveDir || path.join(args.configDir, 'archive', args.domains[0]);
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| 
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|   var checkpoints = obj.checkpoints.toString();
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|   var certArchive = path.join(archiveDir, 'cert' + checkpoints + '.pem');
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|   var fullchainArchive = path.join(archiveDir, 'fullchain' + checkpoints + '.pem');
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|   var chainArchive = path.join(archiveDir, 'chain'+ checkpoints + '.pem');
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|   var privkeyArchive = path.join(archiveDir, 'privkey' + checkpoints + '.pem');
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| 
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|   return mkdirpAsync(archiveDir).then(function () {
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|     return PromiseA.all([
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|       sfs.writeFileAsync(certArchive, result.cert, 'ascii')
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|     , sfs.writeFileAsync(chainArchive, (result.chain || result.ca), 'ascii')
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|     , sfs.writeFileAsync(fullchainArchive, result.fullchain, 'ascii')
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|     , sfs.writeFileAsync(
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|         privkeyArchive
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|         // TODO nix args.key, args.domainPrivateKeyPem ??
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|       , (result.privkey || result.key) || RSA.exportPrivatePem(args.domainKeypair)
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|       , 'ascii'
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|       )
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|     ]);
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|   }).then(function () {
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|     return mkdirpAsync(liveDir);
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|   }).then(function () {
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|     return PromiseA.all([
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|       sfs.writeFileAsync(certPath, result.cert, 'ascii')
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|     , sfs.writeFileAsync(chainPath, (result.chain || result.ca), 'ascii')
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|     , sfs.writeFileAsync(fullchainPath, result.fullchain, 'ascii')
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|     , sfs.writeFileAsync(
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|         privkeyPath
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|         // TODO nix args.key, args.domainPrivateKeyPem ??
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|       , (result.privkey || result.key) || RSA.exportPrivatePem(args.domainKeypair)
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|       , 'ascii'
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|       )
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|     ]);
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|   }).then(function () {
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|     obj.checkpoints += 1;
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|     args.checkpoints += 1;
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| 
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|     return writeRenewalConfig(args);
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|   }).then(function () {
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|     var getCertInfo = require('./cert-info').getCertInfo;
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| 
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|     // XXX Note: Parsing the certificate info comes at a great cost (~500kb)
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|     var certInfo = getCertInfo(result.cert);
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| 
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|     return {
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|       certPath: certPath
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|     , chainPath: chainPath
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|     , fullchainPath: fullchainPath
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|     , privkeyPath: privkeyPath
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| 
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|       // TODO nix keypair
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|     , keypair: args.domainKeypair
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| 
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|       // TODO nix args.key, args.domainPrivateKeyPem ??
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|       // some ambiguity here...
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|     , privkey: (result.privkey || result.key) || RSA.exportPrivatePem(args.domainKeypair)
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|     , fullchain: result.fullchain || (result.cert + '\n' + result.chain)
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|     , chain:  (result.chain || result.ca)
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|       // especially this one... might be cert only, might be fullchain
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|     , cert: result.cert
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| 
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|     , issuedAt: Date(certInfo.notBefore.value).valueOf() // Date.now()
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|     , expiresAt: Date(certInfo.notAfter.value).valueOf()
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|     , lifetime: defaults.lifetime || handlers.lifetime
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|     };
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|   });
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| }
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| 
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| function getCertificateAsync(args, defaults, handlers) {
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|   function log() {
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|     if (args.debug || defaults.debug) {
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|       console.log.apply(console, arguments);
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|     }
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|   }
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| 
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|   var account = args.account;
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|   var promise;
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|   var keypairOpts = { public: true, pem: true };
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| 
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|   log('[le/core.js] domainKeyPath:', args.domainKeyPath);
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| 
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|   promise = fs.readFileAsync(args.domainKeyPath, 'ascii').then(function (pem) {
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|     return RSA.import({ privateKeyPem: pem });
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|   }, function (/*err*/) {
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|     return RSA.generateKeypairAsync(args.rsaKeySize || 2048, 65537, keypairOpts).then(function (keypair) {
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|       return mkdirpAsync(path.dirname(args.domainKeyPath)).then(function () {
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|         return fs.writeFileAsync(args.domainKeyPath, keypair.privateKeyPem, 'ascii').then(function () {
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|           return keypair;
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|         });
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|       });
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|     });
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|   });
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| 
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|   return promise.then(function (domainKeypair) {
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|     log("[le/core.js] get certificate");
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| 
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|     args.domainKeypair = domainKeypair;
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|     //args.registration = domainKey;
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| 
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|     return LeCore.getCertificateAsync({
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|       debug: args.debug
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| 
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|     , newAuthzUrl: args._acmeUrls.newAuthz
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|     , newCertUrl: args._acmeUrls.newCert
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| 
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|     , accountKeypair: RSA.import(account.keypair)
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|     , domainKeypair: domainKeypair
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|     , domains: args.domains
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| 
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|     , challengeType: args.challengeType || 'http-01'
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| 
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|       //
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|       // IMPORTANT
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|       //
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|       // setChallenge and removeChallenge are handed defaults
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|       // instead of args because getChallenge does not have
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|       // access to args
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|       // (args is per-request, defaults is per instance)
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|       //
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|     , setChallenge: function (domain, key, value, done) {
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|         var copy = merge(defaults, { domains: [domain] });
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|         tplCopy(copy);
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| 
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|         args.domains = [domain];
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|         args.webrootPath = args.webrootPath;
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|         if (4 === handlers.setChallenge.length) {
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|           handlers.setChallenge(copy, key, value, done);
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|         }
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|         else if (5 === handlers.setChallenge.length) {
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|           handlers.setChallenge(copy, domain, key, value, done);
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|         }
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|         else {
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|           done(new Error("handlers.setChallenge receives the wrong number of arguments"));
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|         }
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|       }
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|     , removeChallenge: function (domain, key, done) {
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|         var copy = merge(defaults, { domains: [domain] });
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|         tplCopy(copy);
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| 
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|         if (3 === handlers.removeChallenge.length) {
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|           handlers.removeChallenge(copy, key, done);
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|         }
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|         else if (4 === handlers.removeChallenge.length) {
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|           handlers.removeChallenge(copy, domain, key, done);
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|         }
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|         else {
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|           done(new Error("handlers.removeChallenge receives the wrong number of arguments"));
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|         }
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|       }
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|     });
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|   }).then(function (results) {
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|     // { cert, chain, fullchain, privkey }
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|     args.pems = results;
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|     return writeCertificateAsync(args, defaults, handlers);
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|   });
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| }
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| 
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| function getOrCreateDomainCertificate(args, defaults, handlers) {
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|   if (args.duplicate) {
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|     // we're forcing a refresh via 'dupliate: true'
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|     return getCertificateAsync(args, defaults, handlers);
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|   }
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| 
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|   return fetchFromConfigLiveDir(args).then(function (certs) {
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|     var halfLife = certs && ((certs.expiresAt - certs.issuedAt) / 2);
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| 
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|     if (!certs || (Date.now() - certs.issuedAt) > halfLife) {
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|       // There is no cert available
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|       // Or the cert is more than half-expired
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|       return getCertificateAsync(args, defaults, handlers);
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|     }
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| 
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|     return PromiseA.reject(new Error(
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|         "[ERROR] Certificate issued at '"
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|       + new Date(certs.issuedAt).toISOString() + "' and expires at '"
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|       + new Date(certs.expiresAt).toISOString() + "'. Ignoring renewal attempt until half-life at '"
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|       + new Date(certs.issuedA + halfLife).toISOString() + "'. Set { duplicate: true } to force."
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|     ));
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|   });
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| }
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| 
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| // returns 'account' from lib/accounts { meta, regr, keypair, accountId (id) }
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| function getOrCreateAcmeAccount(args, defaults, handlers) {
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|   function log() {
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|     if (args.debug) {
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|       console.log.apply(console, arguments);
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|     }
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|   }
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| 
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|   var pyconf = PromiseA.promisifyAll(require('pyconf'));
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| 
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|   return pyconf.readFileAsync(args.renewalPath).then(function (renewal) {
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|     var accountId = renewal.account;
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|     renewal = renewal.account;
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| 
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|     return accountId;
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|   }, function (err) {
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|     if ("ENOENT" === err.code) {
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|       log("[le/core.js] try email");
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|       return Accounts.getAccountIdByEmail(args, handlers);
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|     }
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| 
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|     return PromiseA.reject(err);
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|   }).then(function (accountId) {
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| 
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|     // Note: the ACME urls are always fetched fresh on purpose
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|     return getAcmeUrls(args).then(function (urls) {
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|       args._acmeUrls = urls;
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| 
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|       if (accountId) {
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|         log('[le/core.js] use account');
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| 
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|         args.accountId = accountId;
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|         return Accounts.getAccount(args, handlers);
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|       } else {
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|         log('[le/core.js] create account');
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|         return Accounts.createAccount(args, handlers);
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|       }
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|     });
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|   }).then(function (account) {
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|     /*
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|     if (renewal.account !== account) {
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|       // the account has become corrupt, re-register
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|       return;
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|     }
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|     */
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|     log('[le/core.js] created account');
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|     return account;
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|   });
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| /*
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|   return fs.readdirAsync(accountsDir, function (nodes) {
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|     return PromiseA.all(nodes.map(function (node) {
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|       var reMd5 = /[a-f0-9]{32}/i;
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|       if (reMd5.test(node)) {
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|       }
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|     }));
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|   });
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| */
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| }
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| 
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| module.exports.create = function (defaults, handlers) {
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|   defaults.server = defaults.server || LE.liveServer;
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| 
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|   var wrapped = {
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|     registerAsync: function (args) {
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|       var copy;
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|       // TODO move these defaults elsewhere?
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|       //args.renewalDir = args.renewalDir || ':config/renewal/';
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|       args.renewalPath = args.renewalPath || ':config/renewal/:hostname.conf';
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|       // Note: the /directory is part of the server url and, as such, bleeds into the pathname
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|       // So :config/accounts/:server/directory is *incorrect*, but the following *is* correct:
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|       args.accountsDir = args.accountsDir || ':config/accounts/:server';
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|       copy = merge(args, defaults);
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|       tplCopy(copy);
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| 
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|       var url = require('url');
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|       var acmeLocation = url.parse(copy.server);
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|       var acmeHostpath = path.join(acmeLocation.hostname, acmeLocation.pathname);
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|       copy.renewalPath = copy.renewalPath || path.join(copy.configDir, 'renewal', copy.domains[0] + '.conf');
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|       copy.accountsDir = copy.accountsDir || path.join(copy.configDir, 'accounts', acmeHostpath);
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| 
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|       return getOrCreateAcmeAccount(copy, defaults, handlers).then(function (account) {
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|         copy.account = account;
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| 
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|         return getOrCreateRenewal(copy).then(function (pyobj) {
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| 
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|           copy.pyobj = pyobj;
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|           return getOrCreateDomainCertificate(copy, defaults, handlers);
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|         });
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|       }).then(function (result) {
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|         return result;
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|       }, function (err) {
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|         return PromiseA.reject(err);
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|       });
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|     }
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|   , fetchAsync: function (args) {
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|       var copy = merge(args, defaults);
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|       tplCopy(copy);
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| 
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|       return fetchFromConfigLiveDir(copy, defaults);
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|     }
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|   , configureAsync: function (hargs) {
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|       hargs.renewalPath = hargs.renewalPath || ':config/renewal/:hostname.conf';
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|       var copy = merge(hargs, defaults);
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|       tplCopy(copy);
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| 
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|       return getOrCreateAcmeAccount(copy, defaults, handlers).then(function (account) {
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|         copy.account = account;
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|         return getOrCreateRenewal(copy);
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|       });
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|     }
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|   , getConfigAsync: function (hargs) {
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|       hargs.renewalPath = hargs.renewalPath || ':config/renewal/:hostname.conf';
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|       hargs.domains = [];
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| 
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|       var copy = merge(hargs, defaults);
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|       tplCopy(copy);
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| 
 | |
|       return readRenewalConfig(copy).then(function (pyobj) {
 | |
|         var exists = pyobj.checkpoints >= 0;
 | |
|         if (!exists) {
 | |
|           return null;
 | |
|         }
 | |
| 
 | |
|         return pyobj;
 | |
|       });
 | |
|     }
 | |
|   , getConfigsAsync: function (hargs) {
 | |
|       hargs.renewalDir = hargs.renewalDir || ':config/renewal/';
 | |
|       hargs.renewalPath = hargs.renewalPath || ':config/renewal/:hostname.conf';
 | |
|       hargs.domains = [];
 | |
| 
 | |
|       var copy = merge(hargs, defaults);
 | |
|       tplCopy(copy);
 | |
| 
 | |
|       return fs.readdirAsync(copy.renewalDir).then(function (nodes) {
 | |
|         nodes = nodes.filter(function (node) {
 | |
|           return /^[a-z0-9]+.*\.conf$/.test(node);
 | |
|         });
 | |
| 
 | |
|         return PromiseA.all(nodes.map(function (node) {
 | |
|           copy.domains = [node.replace(/\.conf$/, '')];
 | |
|           return wrapped.getConfigAsync(copy);
 | |
|         }));
 | |
|       });
 | |
|     }
 | |
|   };
 | |
| 
 | |
|   return wrapped;
 | |
| };
 |