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Ajout du FR

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Ajout du FR + correction du "functions.php"
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Gauvain Boiché
2020-03-30 14:52:34 +02:00
commit 5e4c5f9418
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<?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;
/**
* A class with various functions that are related to paths, files and the filesystem
*/
class path_helper
{
/** @var \phpbb\symfony_request */
protected $symfony_request;
/** @var \phpbb\filesystem\filesystem_interface */
protected $filesystem;
/** @var \phpbb\request\request_interface */
protected $request;
/** @var string */
protected $phpbb_root_path;
/** @var string */
protected $adm_relative_path;
/** @var string */
protected $php_ext;
/** @var string */
protected $web_root_path;
/**
* Constructor
*
* @param \phpbb\symfony_request $symfony_request
* @param \phpbb\filesystem\filesystem_interface $filesystem
* @param \phpbb\request\request_interface $request
* @param string $phpbb_root_path Relative path to phpBB root
* @param string $php_ext PHP file extension
* @param mixed $adm_relative_path Relative path admin path to adm/ root
*/
public function __construct(\phpbb\symfony_request $symfony_request, \phpbb\filesystem\filesystem_interface $filesystem, \phpbb\request\request_interface $request, $phpbb_root_path, $php_ext, $adm_relative_path = null)
{
$this->symfony_request = $symfony_request;
$this->filesystem = $filesystem;
$this->request = $request;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
$this->adm_relative_path = $adm_relative_path;
}
/**
* Get the phpBB root path
*
* @return string
*/
public function get_phpbb_root_path()
{
return $this->phpbb_root_path;
}
/**
* Get the adm root path
*
* @return string
*/
public function get_adm_relative_path()
{
return $this->adm_relative_path;
}
/**
* Get the php extension
*
* @return string
*/
public function get_php_ext()
{
return $this->php_ext;
}
/**
* Update a web path to the correct relative root path
*
* This replaces $phpbb_root_path . some_url with
* get_web_root_path() . some_url
*
* @param string $path The path to be updated
* @return string
*/
public function update_web_root_path($path)
{
$web_root_path = $this->get_web_root_path();
// Removes the web root path if it is already present
if (strpos($path, $web_root_path) === 0)
{
$path = $this->phpbb_root_path . substr($path, strlen($web_root_path));
}
if (strpos($path, $this->phpbb_root_path) === 0)
{
$path = substr($path, strlen($this->phpbb_root_path));
if (substr($web_root_path, -8) === 'app.php/' && substr($path, 0, 7) === 'app.php')
{
$path = substr($path, 8);
}
return $this->filesystem->clean_path($web_root_path . $path);
}
return $path;
}
/**
* Strips away the web root path and prepends the normal root path
*
* This replaces get_web_root_path() . some_url with
* $phpbb_root_path . some_url
*
* @param string $path The path to be updated
* @return string
*/
public function remove_web_root_path($path)
{
if (strpos($path, $this->get_web_root_path()) === 0)
{
$path = substr($path, strlen($this->get_web_root_path()));
return $this->phpbb_root_path . $path;
}
return $path;
}
/**
* Get a relative root path from the current URL
*
* @return string
*/
public function get_web_root_path()
{
if ($this->symfony_request === null)
{
return $this->phpbb_root_path;
}
if (null !== $this->web_root_path)
{
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());
// Full request URI (e.g. phpBB/app.php/foo/bar)
$request_uri = $this->symfony_request->getRequestUri();
// Script name URI (e.g. phpBB/app.php)
$script_name = $this->symfony_request->getScriptName();
/*
* If the path info is empty but we're using app.php, then we
* might be using an empty route like app.php/ which is
* supported by symfony's routing
*/
if ($path_info === '/' && preg_match('/app\.' . $this->php_ext . '\/$/', $request_uri))
{
return $this->web_root_path = $this->filesystem->clean_path('./../' . $this->phpbb_root_path);
}
/*
* If the path info is empty (single /), then we're not using
* a route like app.php/foo/bar
*/
if ($path_info === '/')
{
return $this->web_root_path = $this->phpbb_root_path;
}
/*
* Check AJAX request:
* If the current request is a AJAX we need to fix the paths.
* We need to get the root path based on the Referer, so we can use
* the generated URLs in the template of the Referer. If we do not
* generate the relative path based on the Referer, but based on the
* currently requested URL, the generated URLs will not point to the
* intended locations:
* Referer desired URL desired relative root path
* memberlist.php faq.php ./
* memberlist.php app.php/foo/bar ./
* app.php/foo memberlist.php ../
* app.php/foo app.php/fox ../
* app.php/foo/bar memberlist.php ../../
* ../page.php memberlist.php ./phpBB/
* ../sub/page.php memberlist.php ./../phpBB/
*
* The referer must be specified as a parameter in the query.
*/
if ($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'),
$absolute_board_url
);
return $this->web_root_path = $this->phpbb_root_path . $referer_web_root_path;
}
// How many corrections might we need?
$corrections = substr_count($path_info, '/');
/*
* If the script name (e.g. phpBB/app.php) does not exists in the
* requestUri (e.g. phpBB/app.php/foo/template), then we are rewriting
* the URL. So we must reduce the slash count by 1.
*/
if (strpos($request_uri, $script_name) !== 0)
{
$corrections--;
}
// Prepend ../ to the phpbb_root_path as many times as / exists in path_info
$this->web_root_path = $this->filesystem->clean_path(
'./' . str_repeat('../', $corrections) . $this->phpbb_root_path
);
return $this->web_root_path;
}
/**
* Get the web root path of the referer form an ajax request
*
* @param string $absolute_referer_url
* @param string $absolute_board_url
* @return string
*/
public function get_web_root_path_from_ajax_referer($absolute_referer_url, $absolute_board_url)
{
// If the board URL is in the beginning of the referer, this means
// we the referer is in the board URL or a subdirectory of it.
// So we just need to count the / (slashes) in the left over part of
// the referer and prepend ../ the the current root_path, to get the
// web root path of the referer.
if (strpos($absolute_referer_url, $absolute_board_url) === 0)
{
$relative_referer_path = substr($absolute_referer_url, strlen($absolute_board_url));
$has_params = strpos($relative_referer_path, '?');
if ($has_params !== false)
{
$relative_referer_path = substr($relative_referer_path, 0, $has_params);
}
$corrections = substr_count($relative_referer_path, '/');
return $this->phpbb_root_path . str_repeat('../', $corrections - 1);
}
// If not, it's a bit more complicated. We go to the parent directory
// of the referer until we find the remaining referer in the board URL.
// Foreach directory we need to add a ../ to the fixed root_path.
// When we finally found it, we need to remove the remaining referer
// from the board URL, to get the boards root path.
// If the then append these two strings, we get our fixed web root path.
$fixed_root_path = '';
$referer_dir = $absolute_referer_url;
$has_params = strpos($referer_dir, '?');
if ($has_params !== false)
{
$referer_dir = substr($referer_dir, 0, $has_params);
}
// If we do not find a slash at the end of the referer, we come
// from a file. So the first dirname() does not need a traversal
// path correction.
if (substr($referer_dir, -1) !== '/')
{
$referer_dir = dirname($referer_dir);
}
while (($dir_position = strpos($absolute_board_url, $referer_dir)) !== 0)
{
$fixed_root_path .= '../';
$referer_dir = dirname($referer_dir);
// Just return phpbb_root_path if we reach the top directory
if ($referer_dir === '.')
{
return $this->phpbb_root_path;
}
}
$fixed_root_path .= substr($absolute_board_url, strlen($referer_dir) + 1);
// Add trailing slash
return $this->phpbb_root_path . $fixed_root_path . '/';
}
/**
* Eliminates useless . and .. components from specified URL
*
* @param string $url URL to clean
*
* @return string Cleaned URL
*/
public function clean_url($url)
{
$delimiter_position = strpos($url, '://');
// URL should contain :// but it shouldn't start with it.
// Do not clean URLs that do not fit these constraints.
if (empty($delimiter_position))
{
return $url;
}
$scheme = substr($url, 0, $delimiter_position) . '://';
// Add length of URL delimiter to position
$path = substr($url, $delimiter_position + 3);
return $scheme . $this->filesystem->clean_path($path);
}
/**
* Glue URL parameters together
*
* @param array $params URL parameters in the form of array(name => value)
* @return string Returns the glued string, e.g. name1=value1&amp;name2&amp;name3=value3
*/
public function glue_url_params($params)
{
$_params = array();
foreach ($params as $key => $value)
{
// some parameters do not have value
if ($value !== null)
{
$_params[] = $key . '=' . $value;
}
else
{
$_params[] = $key;
}
}
return implode('&amp;', $_params);
}
/**
* Get the base and parameters of a URL
*
* @param string $url URL to break apart
* @param bool $is_amp Is the parameter separator &amp;. Defaults to true.
* @return array Returns the base and parameters in the form of array('base' => string, 'params' => array(name => value))
*/
public function get_url_parts($url, $is_amp = true)
{
$separator = ($is_amp) ? '&amp;' : '&';
$params = array();
if (strpos($url, '?') !== false)
{
$base = substr($url, 0, strpos($url, '?'));
$args = substr($url, strlen($base) + 1);
$args = ($args) ? explode($separator, $args) : array();
foreach ($args as $argument)
{
if (empty($argument))
{
continue;
}
// some parameters don't have value
if (strpos($argument, '=') !== false)
{
list($key, $value) = explode('=', $argument, 2);
}
else
{
$key = $argument;
$value = null;
}
if ($key === '')
{
continue;
}
$params[$key] = $value;
}
}
else
{
$base = $url;
}
return array(
'base' => $base,
'params' => $params,
);
}
/**
* Strip parameters from an already built URL.
*
* @param string $url URL to strip parameters from
* @param array|string $strip Parameters to strip.
* @param bool $is_amp Is the parameter separator &amp;. Defaults to true.
* @return string Returns the new URL.
*/
public function strip_url_params($url, $strip, $is_amp = true)
{
$url_parts = $this->get_url_parts($url, $is_amp);
$params = $url_parts['params'];
if (!is_array($strip))
{
$strip = array($strip);
}
if (!empty($params))
{
// Strip the parameters off
foreach ($strip as $param)
{
unset($params[$param]);
}
}
return $url_parts['base'] . (($params) ? '?' . $this->glue_url_params($params) : '');
}
/**
* Append parameters to an already built URL.
*
* @param string $url URL to append parameters to
* @param array $new_params Parameters to add in the form of array(name => value)
* @param bool $is_amp Is the parameter separator &amp;. Defaults to true.
* @return string Returns the new URL.
*/
public function append_url_params($url, $new_params, $is_amp = true)
{
$url_parts = $this->get_url_parts($url, $is_amp);
$params = array_merge($url_parts['params'], $new_params);
// Move the sid to the end if it's set
if (isset($params['sid']))
{
$sid = $params['sid'];
unset($params['sid']);
$params['sid'] = $sid;
}
return $url_parts['base'] . (($params) ? '?' . $this->glue_url_params($params) : '');
}
/**
* Get a valid page
*
* @param string $page The page to verify
* @param bool $mod_rewrite Whether mod_rewrite is enabled, default: false
*
* @return string A valid page based on given page and mod_rewrite
*/
public function get_valid_page($page, $mod_rewrite = false)
{
// We need to be cautious here.
// On some situations, the redirect path is an absolute URL, sometimes a relative path
// For a relative path, let's prefix it with $phpbb_root_path to point to the correct location,
// else we use the URL directly.
$url_parts = parse_url($page);
// URL
if ($url_parts === false || empty($url_parts['scheme']) || empty($url_parts['host']))
{
// Remove 'app.php/' from the page, when rewrite is enabled.
// Treat app.php as a reserved file name and remove on mod rewrite
// even if it might not be in the phpBB root.
if ($mod_rewrite && ($app_position = strpos($page, 'app.' . $this->php_ext . '/')) !== false)
{
$page = substr($page, 0, $app_position) . substr($page, $app_position + strlen('app.' . $this->php_ext . '/'));
}
// Remove preceding slashes from page name and prepend root path
$page = $this->get_phpbb_root_path() . ltrim($page, '/\\');
}
return $page;
}
/**
* Tells if the router is currently in use (if the current page is a route or not)
*
* @return bool
*/
public function is_router_used()
{
// Script name URI (e.g. phpBB/app.php)
$script_name = $this->symfony_request->getScriptName();
return basename($script_name) === 'app.' . $this->php_ext;
}
}