set correct content type for JSON requests

lam/HISTORY

@@ -5,7 +5,8 @@ March 2016 5.3
   - Personal/Unix: support K5KEY hash type for smbk5pwd
   - New NIS netgroup module for hosts
   - fixed bugs:
-   -> autoload errors in tree view
+   -> Autoload errors in tree view
+   -> Set correct content type on JSON requests (174)
   - LAM Pro:
    -> Support for LDAP views based on nsview object class
    -> Password notification jobs support to print expiration date in email

lam/templates/lib/141_jquery-validationEngine-lang.php

@@ -4,7 +4,7 @@ $Id$
 
   This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
   Copyright (C) 2010         Cedric Dugas and Olivier Refalo
-                2011 - 2015  Roland Gruber
+                2011 - 2016  Roland Gruber
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -30,6 +30,10 @@ if (strtolower(session_module_name()) == 'files') {
 	session_save_path(dirname(__FILE__) . '/../../sess');
 }
 
+if (!headers_sent()) {
+	header('Content-Type: application/json; charset=utf-8');
+}
+
 @session_start();
 setlanguage();
 

lam/templates/misc/ajax.php

@@ -3,7 +3,7 @@
 $Id$
 
   This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
-  Copyright (C) 2011 - 2015  Roland Gruber
+  Copyright (C) 2011 - 2016  Roland Gruber
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -58,6 +58,7 @@ class lamAjax {
 	 * Manages an AJAX request.
 	 */
 	public static function handleRequest() {
+		lamAjax::setHeader();
 		// check token
 		validateSecurityToken(false);
 
@@ -89,6 +90,15 @@ class lamAjax {
 		}
 	}
 
+	/**
+	 * Sets JSON HTTP header.
+	 */
+	private function setHeader() {
+		if (!headers_sent()) {
+			header('Content-Type: application/json; charset=utf-8');
+		}
+	}
+
 	/**
 	 * Manages a password change request on the edit account page.
 	 *