add maintainer notices

acme.js

@@ -14,7 +14,8 @@ var sha2 = require('@root/keypairs/lib/node/sha2.js');
 var http = require('./lib/node/http.js');
 var A = require('./account.js');
 var U = require('./utils.js');
-var E = require('./errors');
+var E = require('./errors.js');
+var M = require('./maintainers.js');
 
 var native = require('./lib/native.js');
 
@@ -27,6 +28,20 @@ ACME.create = function create(me) {
 	me._nonces = [];
 	me._canCheck = {};
 
+	if (!/.+@.+\..+/.test(me.maintainerEmail)) {
+		throw new Error(
+			'you should supply `maintainerEmail` as a contact for security and critical bug notices'
+		);
+	}
+
+	if (!/\w\/v?\d/.test(me.packageAgent) && false !== me.packageAgent) {
+		console.error(
+			"\nyou should supply `packageAgent` as an rfc7231-style User-Agent such as Foo/v1.1\n\n\t// your package agent should be this:\n\tvar pkg = require('./package.json');\n\tvar agent = pkg.name + '/' + pkg.version\n"
+		);
+		process.exit(1);
+		return;
+	}
+
 	if (!me.dns01) {
 		me.dns01 = function(ch) {
 			return native._dns01(me, ch);
@@ -43,15 +58,17 @@ ACME.create = function create(me) {
 		};
 	}
 
-	if (!me.request) {
-		me.request = http.request;
+	if (!me.__request) {
+		me.__request = http.request;
 	}
 	// passed to dependencies
-	me._urequest = function(opts) {
+	me.request = function(opts) {
 		return U._request(me, opts);
 	};
 
 	me.init = function(opts) {
+		M.init(me);
+
 		function fin(dir) {
 			me._directoryUrls = dir;
 			me._tos = dir.meta.termsOfService;
@@ -1241,7 +1258,7 @@ ACME._prepRequest = function(me, options) {
 				!presenter._acme_initialized
 			) {
 				presenter._acme_initialized = true;
-				return presenter.init({ type: '*', request: me._urequest });
+				return presenter.init({ type: '*', request: me.request });
 			}
 		});
 	});

maintainers.js

@@ -0,0 +1,85 @@
+'use strict';
+
+var M = module.exports;
+var native = require('./lib/native.js');
+
+// Keep track of active maintainers so that we know who to inform if
+// something breaks or has a serious bug or flaw.
+
+var oldCollegeTries = {};
+M.init = function(me) {
+	if (oldCollegeTries[me.maintainerEmail]) {
+		return;
+	}
+
+	var tz = '';
+	try {
+		// Use timezone to stagger messages to maintainers
+		tz = Intl.DateTimeFormat().resolvedOptions().timeZone;
+	} catch (e) {
+		// ignore node versions with no or incomplete Intl
+	}
+
+	// Use locale to know what language to use
+	var env = process.env;
+	var locale = env.LC_ALL || env.LC_MESSAGES || env.LANG || env.LANGUAGE;
+
+	try {
+		M._init(me, tz, locale);
+	} catch (e) {
+		//console.log(e);
+		// ignore
+	}
+};
+
+M._init = function(me, tz, locale) {
+	// prevent a stampede from misconfigured clients in an eternal loop
+	setTimeout(function() {
+		me.request({
+			method: 'GET',
+			url: 'https://api.rootprojects.org/api/nonce',
+			json: true
+		})
+			.then(function(resp) {
+				// in the browser this will work until solved, but in
+				// node this will bail unless the challenge is trivial
+				return native._hashcash(resp.body || {});
+			})
+			.then(function(hashcash) {
+				var req = {
+					headers: {
+						'x-root-nonce-v1': hashcash
+					},
+					method: 'POST',
+					url:
+						'https://api.rootprojects.org/api/projects/ACME.js/dependents',
+					json: {
+						maintainer: me.maintainerEmail,
+						tz: tz,
+						locale: locale
+					}
+				};
+				return me
+					.request(req)
+					.catch(function(err) {
+						if (true || me.debug) {
+							console.error(err);
+						}
+					})
+					.then(function(/*resp*/) {
+						oldCollegeTries[me.maintainerEmail] = true;
+						//console.log(resp);
+					});
+			});
+	}, me.__timeout || 3000);
+};
+
+if (require.main === module) {
+	var ACME = require('./');
+	var acme = ACME.create({
+		maintainerEmail: 'aj+acme-test@rootprojects.org',
+		packageAgent: 'test/v0',
+		__timeout: 100
+	});
+	M.init(acme);
+}