1 files changed, 202 insertions, 0 deletions
diff --git a/phpBB/install/helper/iohandler/ajax_iohandler.php b/phpBB/install/helper/iohandler/ajax_iohandler.php
new file mode 100644
index 0000000000..44a185139e
--- /dev/null
+++ b/phpBB/install/helper/iohandler/ajax_iohandler.php
@@ -0,0 +1,202 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\install\helper\iohandler;
+
+/**
+ * Input-Output handler for the AJAX frontend
+ */
+class ajax_iohandler extends iohandler_base
+{
+	/**
+	 * @var \phpbb\request\request_interface
+	 */
+	protected $request;
+
+	/**
+	 * @var \phpbb\template\template
+	 */
+	protected $template;
+
+	/**
+	 * @var string
+	 */
+	protected $form;
+
+	/**
+	 * Constructor
+	 *
+	 * @param \phpbb\request\request_interface	$request	HTTP request interface
+	 * @param \phpbb\template\template			$template	Template engine
+	 */
+	public function __construct(\phpbb\request\request_interface $request, \phpbb\template\template $template)
+	{
+		$this->request	= $request;
+		$this->template	= $template;
+		$this->form		= '';
+
+		parent::__construct();
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function get_input($name, $default, $multibyte = false)
+	{
+		return $this->request->variable($name, $default, $multibyte);
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function get_server_variable($name, $default = '')
+	{
+		return $this->request->server($name, $default);
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function get_header_variable($name, $default = '')
+	{
+		return $this->request->header($name, $default);
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function is_secure()
+	{
+		return $this->request->is_secure();
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function add_user_form_group($title, $form)
+	{
+		//
+		// This code is pretty ugly... but works
+		//
+
+		$this->template->assign_block_vars('options', array(
+			'LEGEND'	=> $this->language->lang($title),
+			'S_LEGEND'	=> true,
+		));
+
+		foreach ($form as $input_name => $input_options)
+		{
+			if (!isset($input_options['type']))
+			{
+				continue;
+			}
+
+			$tpl_ary = array();
+
+			$tpl_ary['TYPE'] = $input_options['type'];
+			$tpl_ary['TITLE'] = $this->language->lang($input_options['label']);
+			$tpl_ary['KEY'] = $input_name;
+			$tpl_ary['S_EXPLAIN'] = false;
+
+			if (isset($input_options['default']))
+			{
+				$default = $input_options['default'];
+				$default = preg_replace_callback('#\{L_([A-Z0-9\-_]*)\}#s', array($this, 'lang_replace_callback'), $default);
+				$tpl_ary['DEFAULT'] = $default;
+			}
+
+			if (isset($input_options['description']))
+			{
+				$tpl_ary['TITLE_EXPLAIN'] = $this->language->lang($input_options['description']);
+				$tpl_ary['S_EXPLAIN'] = true;
+			}
+
+			if (in_array($input_options['type'], array('select', 'radio')))
+			{
+				for ($i = 0, $total = sizeof($input_options['options']); $i < $total; $i++)
+				{
+					if (isset($input_options['options'][$i]['label']))
+					{
+						$input_options['options'][$i]['label'] = $this->language->lang($input_options['options'][$i]['label']);
+					}
+				}
+
+				$tpl_ary['OPTIONS'] = $input_options['options'];
+			}
+
+			$this->template->assign_block_vars('options', $tpl_ary);
+		}
+
+		$this->template->set_filenames(array(
+			'form_install' => 'installer_form.html',
+		));
+
+		$this->form = $this->template->assign_display('form_install');
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function send_response()
+	{
+		$json_data_array = $this->prepare_json_array();
+		$json_data = json_encode($json_data_array);
+
+		// Try to push content to the browser
+		print (str_pad(' ', 4096) . "\n");
+		print ($json_data . "\n\n");
+		flush();
+	}
+
+	/**
+	 * Prepares iohandler's data to be sent out to the client.
+	 *
+	 * @return array
+	 */
+	protected function prepare_json_array()
+	{
+		$json_array = array(
+			'errors' => $this->errors,
+			'warnings' => $this->warnings,
+			'logs' => $this->logs,
+		);
+
+		if (!empty($this->form))
+		{
+			$json_array['form'] = $this->form;
+			$this->form = '';
+		}
+
+		$this->errors = array();
+		$this->warnings = array();
+		$this->logs = array();
+
+		return $json_array;
+	}
+
+	/**
+	 * Callback function for language replacing
+	 *
+	 * @param array	$matches
+	 * @return string
+	 */
+	public function lang_replace_callback($matches)
+	{
+		if (!empty($matches[1]))
+		{
+			return $this->language->lang($matches[1]);
+		}
+
+		return '';
+	}
+}