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authorTristan Darricau <github@nicofuma.fr>2014-11-12 11:44:56 +0100
committerTristan Darricau <github@nicofuma.fr>2014-11-16 16:45:19 +0100
commit0dfe1d0d8b007ec7b7cae0715cfb2e5f4e33bad4 (patch)
treec8e5bc0ca0d0f646b37d392d9bd67f6215dec7e4
parent526a97db7cea84ab54b7d283c888ada58a310bc4 (diff)
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[ticket/13280] Output escaping for the symfony request object
PHPBB3-13280
-rw-r--r--phpBB/config/services.yml3
-rw-r--r--phpBB/phpbb/controller/helper.php11
-rw-r--r--phpBB/phpbb/path_helper.php6
-rw-r--r--phpBB/phpbb/request/request.php23
-rw-r--r--phpBB/phpbb/request/request_interface.php10
-rw-r--r--phpBB/phpbb/session.php17
-rw-r--r--phpBB/phpbb/symfony_request.php16
-rw-r--r--tests/controller/common_helper_route.php32
-rw-r--r--tests/mock/controller_helper.php3
-rw-r--r--tests/mock/request.php21
-rw-r--r--tests/pagination/pagination_test.php2
-rw-r--r--tests/security/extract_current_page_test.php28
12 files changed, 116 insertions, 56 deletions
diff --git a/phpBB/config/services.yml b/phpBB/config/services.yml
index 5003697564..975f2f7580 100644
--- a/phpBB/config/services.yml
+++ b/phpBB/config/services.yml
@@ -75,6 +75,7 @@ services:
- @controller.provider
- @ext.manager
- @symfony_request
+ - @request
- @filesystem
- %core.root_path%
- %core.php_ext%
@@ -155,6 +156,8 @@ services:
- null
- %core.disable_super_globals%
+ # WARNING: The Symfony request does not escape the input and should be used very carefully
+ # prefer the phpbb request (service @request) as possible
symfony_request:
class: phpbb\symfony_request
arguments:
diff --git a/phpBB/phpbb/controller/helper.php b/phpBB/phpbb/controller/helper.php
index 187e455d48..52e6947c2c 100644
--- a/phpBB/phpbb/controller/helper.php
+++ b/phpBB/phpbb/controller/helper.php
@@ -44,6 +44,9 @@ class helper
/* @var \phpbb\symfony_request */
protected $symfony_request;
+ /* @var \phpbb\request\request_interface */
+ protected $request;
+
/**
* @var \phpbb\filesystem The filesystem object
*/
@@ -70,16 +73,18 @@ class helper
* @param \phpbb\controller\provider $provider Path provider
* @param \phpbb\extension\manager $manager Extension manager object
* @param \phpbb\symfony_request $symfony_request Symfony Request object
+ * @param \phpbb\request\request_interface $request phpBB request object
* @param \phpbb\filesystem $filesystem The filesystem object
* @param string $phpbb_root_path phpBB root path
* @param string $php_ext PHP file extension
*/
- public function __construct(\phpbb\template\template $template, \phpbb\user $user, \phpbb\config\config $config, \phpbb\controller\provider $provider, \phpbb\extension\manager $manager, \phpbb\symfony_request $symfony_request, \phpbb\filesystem $filesystem, $phpbb_root_path, $php_ext)
+ public function __construct(\phpbb\template\template $template, \phpbb\user $user, \phpbb\config\config $config, \phpbb\controller\provider $provider, \phpbb\extension\manager $manager, \phpbb\symfony_request $symfony_request, \phpbb\request\request_interface $request, \phpbb\filesystem $filesystem, $phpbb_root_path, $php_ext)
{
$this->template = $template;
$this->user = $user;
$this->config = $config;
$this->symfony_request = $symfony_request;
+ $this->request = $request;
$this->filesystem = $filesystem;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
@@ -153,7 +158,7 @@ class helper
}
}
- $base_url = $this->filesystem->clean_path($base_url);
+ $base_url = $this->request->escape($this->filesystem->clean_path($base_url), true);
$context->setBaseUrl($base_url);
@@ -197,6 +202,6 @@ class helper
*/
public function get_current_url()
{
- return generate_board_url(true) . $this->symfony_request->getRequestUri();
+ return generate_board_url(true) . $this->request->escape($this->symfony_request->getRequestUri(), true);
}
}
diff --git a/phpBB/phpbb/path_helper.php b/phpBB/phpbb/path_helper.php
index 936564d8b6..4a446a5d9d 100644
--- a/phpBB/phpbb/path_helper.php
+++ b/phpBB/phpbb/path_helper.php
@@ -154,6 +154,7 @@ class path_helper
return $this->web_root_path;
}
+ // We do not need to escape $path_info, $request_uri and $script_name because we can not find their content in the result.
// Path info (e.g. /foo/bar)
$path_info = $this->filesystem->clean_path($this->symfony_request->getPathInfo());
@@ -203,9 +204,12 @@ class path_helper
*/
if ($this->request->is_ajax() && $this->symfony_request->get('_referer'))
{
+ // We need to escape $absolute_board_url because it can be partially concatenated to the result.
+ $absolute_board_url = $this->request->escape($this->symfony_request->getSchemeAndHttpHost() . $this->symfony_request->getBasePath(), true);
+
$referer_web_root_path = $this->get_web_root_path_from_ajax_referer(
$this->symfony_request->get('_referer'),
- $this->symfony_request->getSchemeAndHttpHost() . $this->symfony_request->getBasePath()
+ $absolute_board_url
);
return $this->web_root_path = $this->phpbb_root_path . $referer_web_root_path;
}
diff --git a/phpBB/phpbb/request/request.php b/phpBB/phpbb/request/request.php
index ea9854894c..f0f2f7e2a2 100644
--- a/phpBB/phpbb/request/request.php
+++ b/phpBB/phpbb/request/request.php
@@ -416,4 +416,27 @@ class request implements \phpbb\request\request_interface
{
return $this->input[$super_global];
}
+
+ /**
+ * {@inheritdoc}
+ */
+ public function escape($var, $multibyte)
+ {
+ if (is_array($var))
+ {
+ $result = array();
+ foreach ($var as $key => $value)
+ {
+ $this->type_cast_helper->set_var($key, $key, gettype($key), $multibyte);
+ $result[$key] = $this->escape($value, $multibyte);
+ }
+ $var = $result;
+ }
+ else
+ {
+ $this->type_cast_helper->set_var($var, $var, 'string', $multibyte);
+ }
+
+ return $var;
+ }
}
diff --git a/phpBB/phpbb/request/request_interface.php b/phpBB/phpbb/request/request_interface.php
index 3236f73990..47b3b3a4ed 100644
--- a/phpBB/phpbb/request/request_interface.php
+++ b/phpBB/phpbb/request/request_interface.php
@@ -142,4 +142,14 @@ interface request_interface
* @return array The original array of the requested super global.
*/
public function get_super_global($super_global = \phpbb\request\request_interface::REQUEST);
+
+ /**
+ * Escape a string variable.
+ *
+ * @param mixed $value The contents to fill with
+ * @param bool $multibyte Indicates whether string values may contain UTF-8 characters.
+ * Default is false, causing all bytes outside the ASCII range (0-127) to be replaced with question marks.
+ * @return string|array
+ */
+ public function escape($value, $multibyte);
}
diff --git a/phpBB/phpbb/session.php b/phpBB/phpbb/session.php
index 14b4c63207..dc90d942c3 100644
--- a/phpBB/phpbb/session.php
+++ b/phpBB/phpbb/session.php
@@ -31,10 +31,11 @@ class session
var $update_session_page = true;
/**
- * Extract current session page
- *
- * @param string $root_path current root path (phpbb_root_path)
- */
+ * Extract current session page
+ *
+ * @param string $root_path current root path (phpbb_root_path)
+ * @return array
+ */
static function extract_current_page($root_path)
{
global $request, $symfony_request, $phpbb_filesystem;
@@ -42,8 +43,8 @@ class session
$page_array = array();
// First of all, get the request uri...
- $script_name = $symfony_request->getScriptName();
- $args = explode('&', $symfony_request->getQueryString());
+ $script_name = $request->escape($symfony_request->getScriptName(), true);
+ $args = $request->escape(explode('&', $symfony_request->getQueryString()), true);
// If we are unable to get the script name we use REQUEST_URI as a failover and note it within the page array for easier support...
if (!$script_name)
@@ -61,8 +62,8 @@ class session
// Since some browser do not encode correctly we need to do this with some "special" characters...
// " -> %22, ' => %27, < -> %3C, > -> %3E
- $find = array('"', "'", '<', '>');
- $replace = array('%22', '%27', '%3C', '%3E');
+ $find = array('"', "'", '<', '>', '&quot;', '&lt;', '&gt;');
+ $replace = array('%22', '%27', '%3C', '%3E', '%22', '%3C', '%3E');
foreach ($args as $key => $argument)
{
diff --git a/phpBB/phpbb/symfony_request.php b/phpBB/phpbb/symfony_request.php
index ad949a35f2..2931cae3cc 100644
--- a/phpBB/phpbb/symfony_request.php
+++ b/phpBB/phpbb/symfony_request.php
@@ -15,6 +15,10 @@ namespace phpbb;
use Symfony\Component\HttpFoundation\Request;
+/**
+ * WARNING: The Symfony request does not escape the input and should be used very carefully
+ * prefer the phpbb request as possible
+ */
class symfony_request extends Request
{
/**
@@ -24,24 +28,12 @@ class symfony_request extends Request
*/
public function __construct(\phpbb\request\request_interface $phpbb_request)
{
- // This function is meant to sanitize the global input arrays
- $sanitizer = function(&$value, $key) {
- $type_cast_helper = new \phpbb\request\type_cast_helper();
- $type_cast_helper->set_var($value, $value, gettype($value), true);
- };
-
$get_parameters = $phpbb_request->get_super_global(\phpbb\request\request_interface::GET);
$post_parameters = $phpbb_request->get_super_global(\phpbb\request\request_interface::POST);
$server_parameters = $phpbb_request->get_super_global(\phpbb\request\request_interface::SERVER);
$files_parameters = $phpbb_request->get_super_global(\phpbb\request\request_interface::FILES);
$cookie_parameters = $phpbb_request->get_super_global(\phpbb\request\request_interface::COOKIE);
- array_walk_recursive($get_parameters, $sanitizer);
- array_walk_recursive($post_parameters, $sanitizer);
- array_walk_recursive($server_parameters, $sanitizer);
- array_walk_recursive($files_parameters, $sanitizer);
- array_walk_recursive($cookie_parameters, $sanitizer);
-
parent::__construct($get_parameters, $post_parameters, array(), $cookie_parameters, $files_parameters, $server_parameters);
}
}
diff --git a/tests/controller/common_helper_route.php b/tests/controller/common_helper_route.php
index 859832412d..6723e3bc52 100644
--- a/tests/controller/common_helper_route.php
+++ b/tests/controller/common_helper_route.php
@@ -63,21 +63,21 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
protected function generate_route_objects()
{
- $request = new phpbb_mock_request();
- $request->overwrite('SCRIPT_NAME', $this->get_uri(), \phpbb\request\request_interface::SERVER);
- $request->overwrite('SCRIPT_FILENAME', $this->get_script_name(), \phpbb\request\request_interface::SERVER);
- $request->overwrite('REQUEST_URI', $this->get_uri(), \phpbb\request\request_interface::SERVER);
- $request->overwrite('SERVER_NAME', 'localhost', \phpbb\request\request_interface::SERVER);
- $request->overwrite('SERVER_PORT', '80', \phpbb\request\request_interface::SERVER);
+ $this->request = new phpbb_mock_request();
+ $this->request->overwrite('SCRIPT_NAME', $this->get_uri(), \phpbb\request\request_interface::SERVER);
+ $this->request->overwrite('SCRIPT_FILENAME', $this->get_script_name(), \phpbb\request\request_interface::SERVER);
+ $this->request->overwrite('REQUEST_URI', $this->get_uri(), \phpbb\request\request_interface::SERVER);
+ $this->request->overwrite('SERVER_NAME', 'localhost', \phpbb\request\request_interface::SERVER);
+ $this->request->overwrite('SERVER_PORT', '80', \phpbb\request\request_interface::SERVER);
$this->symfony_request = new \phpbb\symfony_request(
- $request
+ $this->request
);
$this->filesystem = new \phpbb\filesystem();
$this->phpbb_path_helper = new \phpbb\path_helper(
$this->symfony_request,
$this->filesystem,
- $this->getMock('\phpbb\request\request'),
+ $this->request,
$phpbb_root_path,
$phpEx
);
@@ -130,7 +130,7 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
*/
public function test_helper_url_no_rewrite($route, $params, $is_amp, $session_id, $expected, $description)
{
- $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
+ $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id));
}
@@ -170,7 +170,7 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
public function test_helper_url_with_rewrite($route, $params, $is_amp, $session_id, $expected, $description)
{
$this->config = new \phpbb\config\config(array('enable_mod_rewrite' => '1'));
- $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
+ $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id));
}
@@ -210,7 +210,7 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
public function test_helper_url_absolute($route, $params, $is_amp, $session_id, $expected, $description)
{
$this->config = new \phpbb\config\config(array('enable_mod_rewrite' => '0'));
- $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
+ $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id, UrlGeneratorInterface::ABSOLUTE_URL));
}
@@ -250,7 +250,7 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
public function test_helper_url_relative_path($route, $params, $is_amp, $session_id, $expected, $description)
{
$this->config = new \phpbb\config\config(array('enable_mod_rewrite' => '0'));
- $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
+ $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id, UrlGeneratorInterface::RELATIVE_PATH));
}
@@ -290,7 +290,7 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
public function test_helper_url_network($route, $params, $is_amp, $session_id, $expected, $description)
{
$this->config = new \phpbb\config\config(array('enable_mod_rewrite' => '0'));
- $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
+ $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id, UrlGeneratorInterface::NETWORK_PATH));
}
//TODO
@@ -330,7 +330,7 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
public function test_helper_url_absolute_with_rewrite($route, $params, $is_amp, $session_id, $expected, $description)
{
$this->config = new \phpbb\config\config(array('enable_mod_rewrite' => '1'));
- $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
+ $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id, UrlGeneratorInterface::ABSOLUTE_URL));
}
@@ -370,7 +370,7 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
public function test_helper_url_relative_path_with_rewrite($route, $params, $is_amp, $session_id, $expected, $description)
{
$this->config = new \phpbb\config\config(array('enable_mod_rewrite' => '1'));
- $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
+ $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id, UrlGeneratorInterface::RELATIVE_PATH));
}
@@ -410,7 +410,7 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
public function test_helper_url_network_with_rewrite($route, $params, $is_amp, $session_id, $expected, $description)
{
$this->config = new \phpbb\config\config(array('enable_mod_rewrite' => '1'));
- $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
+ $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, $this->symfony_request, $this->request, $this->filesystem, $this->root_path, 'php', dirname(__FILE__) . '/');
$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id, UrlGeneratorInterface::NETWORK_PATH));
}
}
diff --git a/tests/mock/controller_helper.php b/tests/mock/controller_helper.php
index 9c13c309f2..ae3e7bf432 100644
--- a/tests/mock/controller_helper.php
+++ b/tests/mock/controller_helper.php
@@ -13,12 +13,13 @@
class phpbb_mock_controller_helper extends \phpbb\controller\helper
{
- public function __construct(\phpbb\template\template $template, \phpbb\user $user, \phpbb\config\config $config, \phpbb\controller\provider $provider, \phpbb\extension\manager $manager, \phpbb\symfony_request $symfony_request, \phpbb\filesystem $filesystem, $phpbb_root_path, $php_ext, $phpbb_root_path_ext)
+ public function __construct(\phpbb\template\template $template, \phpbb\user $user, \phpbb\config\config $config, \phpbb\controller\provider $provider, \phpbb\extension\manager $manager, \phpbb\symfony_request $symfony_request, \phpbb\request\request_interface $request, \phpbb\filesystem $filesystem, $phpbb_root_path, $php_ext, $phpbb_root_path_ext)
{
$this->template = $template;
$this->user = $user;
$this->config = $config;
$this->symfony_request = $symfony_request;
+ $this->request = $request;
$this->filesystem = $filesystem;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
diff --git a/tests/mock/request.php b/tests/mock/request.php
index 304fcf0eaf..e7217a94a9 100644
--- a/tests/mock/request.php
+++ b/tests/mock/request.php
@@ -114,4 +114,25 @@ class phpbb_mock_request implements \phpbb\request\request_interface
{
$this->data[$super_global] = array_merge($this->data[$super_global], $values);
}
+
+ public function escape($var, $multibyte)
+ {
+ $type_cast_helper = new \phpbb\request\type_cast_helper();
+ if (is_array($var))
+ {
+ $result = array();
+ foreach ($var as $key => $value)
+ {
+ $type_cast_helper->set_var($key, $key, gettype($key), $multibyte);
+ $result[$key] = $this->escape($value, $multibyte);
+ }
+ $var = $result;
+ }
+ else
+ {
+ $type_cast_helper->set_var($var, $var, 'string', $multibyte);
+ }
+
+ return $var;
+ }
}
diff --git a/tests/pagination/pagination_test.php b/tests/pagination/pagination_test.php
index d36aa11a8a..494c667198 100644
--- a/tests/pagination/pagination_test.php
+++ b/tests/pagination/pagination_test.php
@@ -57,7 +57,7 @@ class phpbb_pagination_pagination_test extends phpbb_template_template_test_case
$request
);
- $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $provider, $manager, $symfony_request, $filesystem, '', 'php', dirname(__FILE__) . '/');
+ $this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $provider, $manager, $symfony_request, $request, $filesystem, '', 'php', dirname(__FILE__) . '/');
$this->pagination = new \phpbb\pagination($this->template, $this->user, $this->helper, $phpbb_dispatcher);
}
diff --git a/tests/security/extract_current_page_test.php b/tests/security/extract_current_page_test.php
index 5c0369f270..767b901a43 100644
--- a/tests/security/extract_current_page_test.php
+++ b/tests/security/extract_current_page_test.php
@@ -1,15 +1,15 @@
<?php
/**
- *
- * This file is part of the phpBB Forum Software package.
- *
- * @copyright (c) phpBB Limited <https://www.phpbb.com>
- * @license GNU General Public License, version 2 (GPL-2.0)
- *
- * For full copyright and license information, please see
- * the docs/CREDITS.txt file.
- *
- */
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
require_once dirname(__FILE__) . '/base.php';
@@ -27,8 +27,8 @@ class phpbb_security_extract_current_page_test extends phpbb_security_test_base
}
/**
- * @dataProvider security_variables
- */
+ * @dataProvider security_variables
+ */
public function test_query_string_php_self($query_string, $expected)
{
global $symfony_request, $request;
@@ -46,8 +46,8 @@ class phpbb_security_extract_current_page_test extends phpbb_security_test_base
}
/**
- * @dataProvider security_variables
- */
+ * @dataProvider security_variables
+ */
public function test_query_string_request_uri($query_string, $expected)
{
global $symfony_request, $request;