2 error_reporting(E_ALL);
3 ini_set('display_errors', TRUE);
5 function abort($body, $status = NULL) {
6 if ($status) header("HTTP/1.1 $status");
11 function placeholder_include($name, $params = [])
13 $path = stream_resolve_include_path("widget/$name.php");
14 if (!file_exists($path)) {
15 return '<strong class="warn"><em>'.$name.'</em> ontbreekt</strong>';
19 $Page = $GLOBALS['Page'] . $GLOBALS['Args'];
21 $Place = $GLOBALS['Place'];
22 foreach ($params as $param) {
23 if ($set = strpos($param, '=')) {
24 $Place[ substr($param, 0, $set) ] = substr($param, $set + 1);
26 elseif (!empty($param)) {
31 include "widget/$name.php";
32 return ob_get_clean();
34 catch (Exception $e) {
35 return sprintf('<strong class="warn">%s</strong>',
36 "fout in <em>$name</em>: {$e->getMessage()}"
41 function getoutput($blocks = [])
43 $doc = ob_get_clean();
45 if (!empty($blocks['warn'])) {
46 $warn = '<p class="warn">[[warn]]</p>';
47 if ($offset = strpos($doc, '</h2>')) {
48 $doc = substr_replace($doc, "\n\n".$warn, $offset + 5, 0);
51 $doc = $warn . "\n\n" . $doc;
55 # keep either login or logout parts depending on user level
57 $hideclass = empty($User) ? 'login' : 'logout';
58 $doc = preg_replace('{\s*<([a-z]+) class="'.$hideclass.'">.*?</\1>}s', '', $doc);
60 return preg_replace_callback(
61 '{ (?<! <!--BLOCK: ) \[\[ ([^] ]+) ([^]]*) \]\] }x',
62 function ($sub) use ($blocks) {
63 list ($placeholder, $name, $params) = $sub;
64 if (isset($blocks[$name])) {
65 $html = $blocks[$name];
68 $html = placeholder_include($name, explode(' ', $params));
70 return sprintf('<!--BLOCK:%s-->%s<!--/-->',
71 is_numeric($name) ? '' : $placeholder, # edit replacement
72 preg_replace('{<!--[^-]*-->}', '', $html) # contents
79 # custom error handling
81 define('DOCROOT', getcwd());
82 set_include_path(implode(PATH_SEPARATOR, [ DOCROOT, __DIR__ ]));
86 global $User, $Page, $Args;
87 http_response_code(500);
88 if (!isset($Article)) {
89 $Article = new ArchiveArticle(NULL);
90 $Article->title = 'Fout';
92 include_once 'page.inc.php';
94 require '500.inc.html';
95 print getoutput(['debug' => htmlspecialchars($error)]);
98 set_exception_handler('fail');
100 define('E_FATAL', E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR | E_USER_ERROR);
102 set_error_handler(function ($level, $error, $file, $line) {
103 if ($level & E_FATAL) {
110 register_shutdown_function(function () {
111 # display failure page for fatal exceptions
112 $error = error_get_last();
113 if (!($error['type'] & E_FATAL)) return;
114 fail("Fatal: $error[message] in $error[file]:$error[line]");
117 error_reporting(error_reporting() & ~E_FATAL);
119 # user login and control
122 include_once 'auth.inc.php';
123 $Edit = isset($_GET['edit']);
125 # setup requested page
128 $Page = preg_replace('/\?.*/', '', @$_SERVER['PATH_INFO'] ?: $_SERVER['REQUEST_URI']);
129 $Page = urldecode(trim($Page, '/')) ?: 'index';
131 $staticpage = "$Page.html";
132 if (file_exists($staticpage)) {
133 if (is_link($staticpage)) {
134 $target = preg_replace('/\.html$/', '', readlink($staticpage));
135 header("HTTP/1.1 302 Shorthand");
136 header("Location: $target");
140 elseif (file_exists("$Page/index.html")) {
141 $staticpage = "$Page/index.html";
144 require_once('article.inc.php');
145 $Article = new ArchiveArticle($staticpage);
147 $Page = $Article->handler;
148 $Args = $Article->path;
150 if ($PageAccess = $Article->restricted) {
153 http_response_code(303);
154 $target = urlencode($Article->link);
155 header("Location: /login?goto=$target");
160 # prepare page contents
162 header(sprintf('Content-Security-Policy: %s', implode('; ', [
163 "default-src 'self' 'unsafe-inline' http://cdn.ckeditor.com", # some overrides remain
164 "img-src 'self' data: http://cdn.ckeditor.com", # inline svg (in css)
165 "base-uri 'self'", # only local pages
166 "frame-ancestors 'none'", # prevent malicious embedding
169 ob_start(); # page body
171 'user' => $User ? $User->login : '',
172 'url' => htmlspecialchars($_SERVER['REQUEST_URI']),
175 if (isset($Article->raw)) {
176 if ($User and $User->admin("edit $Page$Args")) {
177 # restore meta tags in static contents for editing
178 foreach (array_reverse($Article->meta) as $metaprop => $val) {
179 $Article->raw = sprintf(
180 '<meta property="%s" content="%s" />'."\n",
186 elseif ($User and $User->admin("edit {$Article->link}")) {
187 $Article->raw(file_exists("$Page/template.inc.html") ? "$Page/template.inc.html" : 'template.inc.html');
189 if (isset($Article->raw)) {
190 $Article->raw = '<div class="static">'."\n\n".$Article->raw."</div>\n\n";
193 # output dynamic and/or static html
195 if (!$Page or require("./$Page/index.php")) {
197 if (isset($Article->raw)) {
201 # no resulting output
202 http_response_code(404);
203 @require '404.inc.html';
207 include_once 'page.inc.php';