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Introduce the RosWeb class to cleanly connect a standalone website subsystem with our Drupal layout and user information.

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This will allow us to easily integrate standalone subsystems into our website design and develop our own subsystems independent of Drupal.
Work in Progress, so not yet finished!

svn path=/trunk/; revision=890
This commit is contained in:
Colin Finck 2015-04-16 19:18:06 +00:00
parent 9bdf294b56
commit 919470a467
2 changed files with 121 additions and 0 deletions
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54
www/www.reactos.org/rosweb/rosweb-provider.php Normal file
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<?php
/*
PROJECT: ReactOS RosWeb Component for sharing layout and user information between website subsystems
LICENSE: GNU GPLv2 or any later version as published by the Free Software Foundation
PURPOSE: Counterpart to rosweb.php for providing the information by using Drupal-internal functions
COPYRIGHT: Copyright 2015 Colin Finck <colin@reactos.org>
*/
function get_page_theme($theme)
{
// Adapted from drupal_render_page: First populate $page using element_info, finally use drupal_render on the array.
// We modify the array here to render our theme only and remove the "html" wrapper template from processing.
$page = element_info("page");
$page["#theme"] = $theme;
$page["#theme_wrappers"] = array();
return drupal_render($page);
}
// This script may only be called from the server itself through "rosweb.php"
// Deny any other request. This is mandatory for security!
if($_SERVER["REMOTE_ADDR"] != "127.0.0.1")
exit;
// Clear the $_GET array for Drupal
$rosweb_query = array_key_exists("q", $_GET) ? $_GET["q"] : "";
$_GET = array();
// Bootstrap Drupal.
// This pollutes the global namespace with many Drupal-specific variables and functions and is the sole reason we have to use this provider approach.
define("DRUPAL_ROOT", "/srv/www/www.reactos.org");
chdir(DRUPAL_ROOT);
require_once(DRUPAL_ROOT . "/includes/bootstrap.inc");
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
switch($rosweb_query)
{
case "CurrentUser":
$rosweb_user_info["id"] = $user->uid;
$rosweb_user_info["mail"] = $user->mail;
$rosweb_user_info["name"] = $user->name;
die(json_encode($rosweb_user_info));
case "Footer":
die(get_page_theme("page__footerinc"));
case "Header":
die(get_page_theme("page__headerinc"));
case "Sidebar":
die(get_page_theme("page__sidebarinc"));
}

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www/www.reactos.org/rosweb/rosweb.php Normal file
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<?php
/*
PROJECT: ReactOS RosWeb Component for sharing layout and user information between website subsystems
LICENSE: GNU GPLv2 or any later version as published by the Free Software Foundation
PURPOSE: Encapsulating the shared information inside a class that doesn't clash with the code of other subsystems
COPYRIGHT: Copyright 2015 Colin Finck <colin@reactos.org>
Functional programming in PHP is prone to naming collisions. As Drupal 7 is still using functional PHP throughout the
whole CMS, we have to use this clean but slow provider approach and do a single HTTP request for each query.
When you add queries here, return as much information as useful in one query to reduce the number of required requests.
*/
class RosWeb
{
public function __construct()
{
// Collect available cookies for the HTTP request
// This is mandatory for e.g. getting information about the current user
$cookies = "";
foreach($_COOKIE as $key => $value)
{
if($cookies == "")
$cookies = "$key=$value";
else
$cookies .= ";$key=$value";
}
$opts = array(
"http" => array(
"method" => "GET",
"header" => "Cookie: $cookies\r\n"
)
);
// Create the stream context to reuse for all HTTP requests
$this->context = stream_context_create($opts);
}
private function _queryProvider($q)
{
$fp = fopen("http://" . $_SERVER["HTTP_HOST"] . "/rosweb/rosweb-provider.php?q=" . $q, "r", false, $this->context);
$ret = stream_get_contents($fp);
fclose($fp);
return $ret;
}
public function getCurrentUser()
{
return json_decode($this->_queryProvider("CurrentUser"));
}
public function getFooter()
{
return $this->_queryProvider("Footer");
}
public function getHeader()
{
return $this->_queryProvider("Header");
}
public function getSidebar()
{
return this->_queryProvider("Sidebar");
}
}