[[warn]]';
if ($offset = strpos($doc, '')) {
$doc = substr_replace($doc, "\n\n".$warn, $offset + 5, 0);
}
else {
$doc = $warn . "\n\n" . $doc;
}
}
# keep either login or logout parts depending on user level
global $User;
$hideclass = $User && property_exists($User, 'login') && $User->login ? 'logout' : 'login';
$doc = preg_replace('{\s*<([a-z]+) class="'.$hideclass.'">.*?}s', '', $doc);
return preg_replace_callback(
'{ \[\[ ([^] ]+) ([^]]*) \]\] }x',
function ($sub) use ($blocks) {
list ($placeholder, $name, $params) = $sub;
$html = $blocks[$name] ??
placeholder_include($name, explode(' ', $params));
if (empty($html) or $html[0] != '<') {
$html = "$html";
}
$attr = sprintf(' data-dyn="%s"', is_numeric($name) ? '' : $name.$params);
# contents with identifier in first tag
return preg_replace( '/(?=>)/', $attr, $html, 1);
},
$doc
);
}
# custom error handling
define('DOCROOT', getcwd());
set_include_path(implode(PATH_SEPARATOR, [ DOCROOT, __DIR__ ]));
function fail($error)
{
global $User, $Page;
http_response_code(500);
if (!isset($Page)) {
require_once('article.inc.php');
$Page = new ArchiveArticle(NULL);
$Page->title = 'Fout';
}
include_once 'page.inc.php';
ob_start();
require '500.inc.html';
print getoutput(['debug' => htmlspecialchars($error)]);
}
set_exception_handler('fail');
define('E_FATAL', E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR | E_USER_ERROR);
set_error_handler(function ($level, $error, $file, $line) {
if ($level & E_FATAL) {
fail($error);
return;
}
return FALSE;
});
register_shutdown_function(function () {
# display failure page for fatal exceptions
$error = error_get_last();
if (!($error['type'] & E_FATAL)) return;
fail("Fatal: $error[message] in $error[file]:$error[line]");
});
error_reporting(error_reporting() & ~E_FATAL);
# user login and control
include_once 'auth.inc.php'; // sets global $User
$Edit = isset($_GET['edit']);
# setup requested page
$request = preg_replace('/\?.*/', '', @$_SERVER['PATH_INFO'] ?: $_SERVER['REQUEST_URI']);
$request = urldecode(trim($request, '/')) ?: 'index';
$staticpage = "$request.html";
if (file_exists($staticpage)) {
if (is_link($staticpage)) {
$target = preg_replace('/\.html$/', '', readlink($staticpage));
header("HTTP/1.1 302 Shorthand");
header("Location: $target");
exit;
}
}
elseif (file_exists("$request/index.html")) {
$staticpage = "$request/index.html";
}
require_once('article.inc.php');
$Page = new ArchiveArticle($staticpage);
if ($Page->restricted) {
# access restriction
if (!$User->login) {
http_response_code(303);
$target = urlencode($Page->link);
header("Location: /login?goto=$target");
exit;
}
}
# prepare page contents
header(sprintf('Content-Security-Policy: %s', implode('; ', [
"default-src 'self' 'unsafe-inline' http://cdn.ckeditor.com", # some overrides remain
"img-src 'self' data: http://cdn.ckeditor.com", # inline svg (in css)
"base-uri 'self'", # only local pages
"frame-ancestors 'none'", # prevent malicious embedding
])));
ob_start(); # page body
$Place = [
'user' => $User->login ?: '',
'url' => htmlspecialchars($_SERVER['REQUEST_URI']),
];
if (!isset($Page->raw) and $User->admin("edit {$Page->link}")) {
# open bottom template as initial contents
$template = 'template.inc.html';
if ($Page->handler and file_exists("{$Page->handler}/$template")) {
$template = "{$Page->handler}/$template";
}
$Page->raw($template);
$Page->meta['article:published_time'] = date('Y-m-d h:i:s O');
$Page->meta['article:author'] = '/' . $User->dir;
}
if (isset($Page->raw)) {
if ($User->admin("edit {$Page->link}")) {
# restore meta tags in static contents for editing
foreach (array_reverse($Page->meta) as $metaprop => $val) {
$Page->raw = sprintf(
''."\n",
$metaprop, $val
) . $Page->raw;
}
}
$Page->raw = ''."\n\n".$Page->raw."
\n\n";
}
# output dynamic and/or static html
if (!$Page->handler or require("./{$Page->handler}/index.php")) {
# static contents
if (isset($Page->raw)) {
print $Page->raw;
}
else {
# no resulting output
http_response_code(404);
@require '404.inc.html';
}
}
include_once 'page.inc.php';