Start of LetSyncrypt.js, an ACMEv2 library intended for use with an integrated

Let's Encrypt client.

Based on p5-Net-ACME2, so far it can just fetch the directory and ToS URL.

exec/load/acmev2.js

+// Based on p5-Net-ACME2 - https://github.com/FGasper/p5-Net-ACME2/
+
+/*
+ * var acme = new ACMEv2({key:key, key_id:undefined})
+ * 
+ * // For a new account:
+ * {
+ * 	var terms_url = acme.get_terms_of_service();
+ * 
+ * 	acme->create_new_account({termsOfServiceAgreed:1});
+ * }
+ * 
+ * // Save the key_id somewhere so it can be reused.
+ * 
+ * var order = acme->create_new_order({identifiers:[{type:'dns',value:'*.example.com'}]);
+ * var authz = acme->get_authorization(order->authorizations()[0]);
+ * var challenges = authz->challenges();
+ * 
+ * // Pick a challenge, and satisfy it.
+ * 
+ * acme->accept_challenge(challenge);
+ * 
+ * while (!acme->poll_authorization(authz))
+ * 	mswait(1000);
+ * 
+ * // Make a key and CSR for *.example.com
+ * 
+ * acme->finalize_order(order, csr);
+ * 
+ * while (order.status !== 'valid') {
+ * 	mswait(1000);
+ * 	acme->poll_order(order);
+ * }
+ * 
+ * var certificate_url = order->certificate();
+ */
+
+require("http.js", "HTTPRequest");
+
+function ACMEv2(opts)
+{
+	if (opts.key === undefined)
+		throw('Need "key"!');
+
+	this.key = opts.key;
+	if (opts.key_id !== undefined)
+		this.key_id = opts.key_id;
+	if (opts.host !== undefined)
+		this.host = opts.host;
+	this.jws_format = 'sha256';
+	this.ua = new HTTPRequest();
+}
+
+ACMEv2.prototype.host = "acme-staging-v02.api.letsencrypt.org";
+ACMEv2.prototype.dir_path = "/directory";
+
+ACMEv2.prototype.get_terms_of_service = function()
+{
+	var dir = this.get_directory();
+	if (dir.meta === undefined)
+		throw('No "meta" in directory!');
+	if (dir.meta.termsOfService === undefined)
+		throw('No "termsOfService" in directory metadata');
+	return dir.meta.termsOfService;
+}
+
+ACMEv2.prototype.get_directory = function()
+{
+	if (this.directory === undefined) {
+		this.directory = JSON.parse(this.ua.Get("https://"+this.host+this.dir_path));
+	}
+	return this.directory;
+}
+
+const ACMEv2.prototype.FULL_JWT_METHODS = [
+	'newAccount',
+	'revokeCert'
+];
+ACMEv2.prototype.create_new_account = function(opts)
+{
+	
+}
+
+ACMEv2.prototype.post = function(link, data)
+{
+	var post_method;
+	var url;
+
+	if (this.FULL_JWT_METHODS.indexOf(link) > -1)
+		post_method = 'post_full_jwt';
+	url = this.get_directory(link)[link];
+	if (url === undefined)
+		throw('Unknown link name: "'+link+'"');
+	return this.post_url(url, data, post_method);
+}
+
+ACMEv2.prototype.post_url = function(url, data, post_method)
+{
+	if (post_method === undefined)
+		post_method = 'post_key_id';
+
+	switch(post_method) {
+		case 'post_key_id':
+			break;
+		case 'post_full_jwt':
+			
+			break;
+	}
+	return this.post_method(url, data);
+}
+
+ACMEv2.prototype.post_method = function(url, data, post_method)
+{
+}