auth.js: added updateUsers and call to process.on('SIGHUP', function(…

…){})

Allows it to reread the htpasswd file whenever a SIGHUP is sent

lib/web/auth.js

@@ -60,6 +60,9 @@ AuthDB.prototype._validateMD5 = function(password, hash) {
 };
 
 
+AuthDB.prototype.updateUsers = function(users) {
+  this.users = users;
+}
 
 function sha1crypt(password) {
   return '{SHA}' + crypto.createHash('sha1').update(password).digest('base64');
@@ -136,20 +139,31 @@ function md5crypt(password, salt, magic) {
 
 
 exports.loadDBFromFile = function(filePath) {
-  var contents = fs.readFileSync(filePath, 'utf8'),
+
+  var getUsers = function(filePath) {
+    var contents = fs.readFileSync(filePath, 'utf8'),
       users = {},
       lines, both, i;
 
-  lines = contents.split('\n').map(function(line) {
-    return line.trim();
-  });
+    lines = contents.split('\n').map(function(line) {
+      return line.trim();
+    });
 
-  for (i = 0; i < lines.length; i++) {
-    if (lines[i] && lines[i].indexOf('#') !== 0) {
-      both = lines[i].split(':');
-      users[both[0]] = both[1];
+    for (i = 0; i < lines.length; i++) {
+      if (lines[i] && lines[i].indexOf('#') !== 0) {
+        both = lines[i].split(':');
+        users[both[0]] = both[1];
+      }
     }
-  }
+    return users;
+  };
+
+  users = getUsers(filePath);
+  myAuthDB = new AuthDB(users);
+  process.on('SIGHUP', function(){
+    users = getUsers(filePath);
+    myAuthDB.updateUsers(users);
+  });
 
-  return new AuthDB(users);
+  return myAuthDB;
 };