Add uri.jsm -- custom uri schemes.

uri.jsm

@@ -0,0 +1,73 @@
+// -*- Mode: JavaScript; tab-width: 4 -*- vim:tabstop=4 syntax=javascript:
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*jshint es5: true, esnext: true, forin: true, proto: true */
+/*global Stream: false, aucgbot: false, module: false */
+
+
+module.version = "0.2 (11 Oct 2013)";
+module.db = {};
+
+module.loadDB = function loadDB() {
+	var file;
+	try {
+		file = new Stream("schemes.json");
+		this.db = JSON.parse(file.readFile());
+	} catch (ex) {}
+	if (file && typeof file.close === "function") {
+		file.close();
+	}
+};
+module.saveDB = function saveDB() {
+	var file = new Stream("schemes.json", "w");
+	file.write(JSON.stringify(this.db));
+	file.close();
+};
+module.loadDB();
+
+module.onUnknownMsg = function onUnknownMsg(dest, msg, nick, ident, host, conn, relay) {
+	var match = msg.match(/(\w+?):\/\/((\w+?)\b)?/);
+	if (match) {
+		var scheme = match[1];
+		var targ = match[2] || "";
+		if (scheme in this.db) {
+			conn.msg(dest, this.db[scheme].replace("%s", targ));
+			return true;
+		}
+	}
+}
+
+module.cmd_addscheme = function cmd_addscheme(dest, msg, nick, ident, host, conn, relay) {
+	var args = msg.split(" ");
+	var scheme = args[0],
+		uri = args[1];
+	if (args.length !== 2) {
+		conn.notice(nick, "Usage: addscheme <scheme> <uri>. Example: addscheme xkcd http://xkcd.com/%s (%s is filled in with the stuff after ://");
+		return true;
+	}
+
+	if (scheme in this.db) {
+		conn.reply(dest, nick, "there is already a scheme for " + args[0] + " in place!");
+		return true;
+	}
+	if (!uri.contains("%s")) {
+		conn.notice(nick, "uri requires a substitution (%s)");
+		return true;
+	}
+	this.db[args[0]] = args[1];
+	this.saveDB();
+	return true;
+};
+
+module.cmd_delscheme = function cmd_delscheme(dest, msg, nick, ident, host, conn, relay) {
+	var schemes = msg.split(" ");
+	for (let i = 0,scheme; scheme = schemes[i]; i++) {
+		if (scheme in this.db) {
+			delete this.db[scheme];
+			conn.notice(nick, "scheme " + scheme + " deleted.");
+		}
+	}
+	this.saveDB();
+	return true;
+};