From 34a77d4a11f369b5049685fcb8f8a07d8b41673a Mon Sep 17 00:00:00 2001
From: Julien Fontanet <julien.fontanet@isonoe.net>
Date: Tue, 3 Sep 2013 13:28:34 +0200
Subject: [PATCH] Configuration file.

---
 config/.gitignore      |   1 +
 config/local.yaml.dist |  28 ++++++++++++
 package.json           |   1 +
 src/main.js            | 100 ++++++++++++++++++++++++++++++++++++++---
 src/xo.js              |   4 +-
 5 files changed, 127 insertions(+), 7 deletions(-)
 create mode 100644 config/.gitignore
 create mode 100644 config/local.yaml.dist

diff --git a/config/.gitignore b/config/.gitignore
new file mode 100644
index 0000000..1ef5f53
--- /dev/null
+++ b/config/.gitignore
@@ -0,0 +1 @@
+/local.yaml
diff --git a/config/local.yaml.dist b/config/local.yaml.dist
new file mode 100644
index 0000000..0d8b542
--- /dev/null
+++ b/config/local.yaml.dist
@@ -0,0 +1,28 @@
+# Configuration of XO-Server's web server.
+http:
+    # Port on which the server is listening on.
+    #
+    # Default: 80
+    #port: 8080
+
+    # Address on which the server is listening on.
+    #
+    # Sets it to '*' to listen on all addresses.
+    #
+    # Default: localhost
+    #host: '*'
+
+# For now, XO-Server does not have any persistence, therefore
+# users should be recreated each time.
+#
+# So, temporarily, users can be created here.
+users:
+    - email: 'admin@admin.com'
+      password: 'admin'
+      permission: 'admin'
+
+# Same thing for servers.
+servers:
+    - host: ''
+      username: ''
+      password: ''
diff --git a/package.json b/package.json
index fb957b8..68c8e12 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "connect": ">=2.8.4",
     "extendable": ">=0.0.3",
     "hashy": ">=0.1.0",
+    "js-yaml": ">=2.1.0",
     "q": ">=0.9.6",
     "sync": ">=0.2.2",
     "underscore": ">=1.4.4",
diff --git a/src/main.js b/src/main.js
index 8ab67c3..c705fe6 100644
--- a/src/main.js
+++ b/src/main.js
@@ -12,10 +12,7 @@ var xo = require('./xo')();
 var Api = require('./api');
 var api = new Api(xo);
 
-// @todo Port should be configurable.
-var http_serv = require('http').createServer().listen(8080).on('listening', function () {
-	console.log('XO-Server Web server is listening on port '+ 8080 +'.');
-});
+var http_serv;
 
 //////////////////////////////////////////////////////////////////////
 
@@ -266,4 +263,97 @@ xo.on('started', function () {
 
 //////////////////////////////////////////////////////////////////////
 
-xo.start();
+var cfg = {
+	'data': {},
+
+	'get': function (path) {
+		/* jshint noempty: false */
+
+		if (!_.isArray(path))
+		{
+			path = Array.prototype.slice.call(arguments);
+		}
+
+		var current = this.data;
+		for (
+			var i = 0, n = path.length;
+			(i < n) && (undefined !== (current = current[path[i]]));
+			++i
+		)
+		{}
+
+		if (i < n)
+		{
+			return undefined;
+		}
+
+		return current;
+	},
+
+	'merge': function (data) {
+		var helper = function (target, source) {
+			if (null === source) // Special case.
+			{
+				return target;
+			}
+
+			if (!_.isObject(target) || !_.isObject(source))
+			{
+				return source;
+			}
+
+			if (_.isArray(target) && _.isArray(source))
+			{
+				target.push.apply(target, source);
+				return target;
+			}
+
+			for (var prop in source)
+			{
+				target[prop] = helper(target[prop], source[prop]);
+			}
+			return target;
+		};
+
+		helper(this.data, data);
+		return this;
+	},
+};
+
+// Defaults values.
+cfg.merge({
+	'http': {
+		'port': 80,
+		'host': 'localhost',
+	},
+	'users': [],
+	'servers': [],
+});
+
+Q.ninvoke(require('fs'), 'readFile', __dirname +'/../config/local.yaml', {'encoding': 'utf8'}).then(function (data) {
+	data = require('js-yaml').safeLoad(data);
+	cfg.merge(data);
+}).fail(function (e) {
+	console.error('[ERROR] Reading config file: '+ e);
+}).then(function () {
+	var users = xo.users;
+	cfg.get('users').forEach(function (user) {
+		if (user.password)
+		{
+			users.create(user.email, user.password, user.permission).done();
+		}
+		else
+		{
+			users.add(user).done();
+		}
+	});
+
+	xo.servers.add(cfg.get('servers')).done();
+
+	var port = cfg.get('http', 'port');
+	http_serv = require('http').createServer().listen(port).on('listening', function () {
+		console.log('XO-Server Web server is listening on port '+ port +'.');
+	});
+
+	xo.start(cfg);
+}).done();
diff --git a/src/xo.js b/src/xo.js
index 17f8014..f983791 100644
--- a/src/xo.js
+++ b/src/xo.js
@@ -590,7 +590,7 @@ function Xo()
 }
 require('util').inherits(Xo, require('events').EventEmitter);
 
-Xo.prototype.start = function () {
+Xo.prototype.start = function (options) {
 
 	var xo = this;
 
@@ -598,7 +598,7 @@ Xo.prototype.start = function () {
 
 	//--------------------------------------
 
-	xo.emit('started');
+	xo.emit('started', options);
 };
 
 //////////////////////////////////////////////////////////////////////