error_reporting(E_ALL);
ini_set('display_errors', TRUE);
-function abort($body, $status = NULL) {
- if ($status) header("HTTP/1.1 $status");
- print "$body\n";
- exit;
-}
-
-function placeholder_include($name, $params = [])
-{
- $path = stream_resolve_include_path("widget/$name.php");
- if (!file_exists($path)) {
- return '<strong class="warn"><em>'.$name.'</em> ontbreekt</strong>';
- }
-
- ob_start();
- $Page = $GLOBALS['Page'] . $GLOBALS['Args'];
- $Args = '';
- $Place = $GLOBALS['Place'];
- foreach ($params as $param) {
- if ($set = strpos($param, '=')) {
- $Place[ substr($param, 0, $set) ] = substr($param, $set + 1);
- }
- elseif (!empty($param)) {
- $Args .= '/'.$param;
- }
- }
- try {
- include "widget/$name.php";
- return ob_get_clean();
- }
- catch (Exception $e) {
- return sprintf('<strong class="warn">%s</strong>',
- "fout in <em>$name</em>: {$e->getMessage()}"
- );
- }
-}
-
-function getoutput($blocks = [])
-{
- $doc = ob_get_clean();
-
- if (!empty($blocks['warn'])) {
- $warn = '<p class="warn">[[warn]]</p>';
- if ($offset = strpos($doc, '</h2>')) {
- $doc = substr_replace($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;
- $hideclass = empty($User) ? 'login' : 'logout';
- $doc = preg_replace('{\s*<([a-z]+) class="'.$hideclass.'">.*?</\1>}s', '', $doc);
-
- return preg_replace_callback(
- '{ (?<! <!--BLOCK: ) \[\[ ([^] ]+) ([^]]*) \]\] }x',
- function ($sub) use ($blocks) {
- list ($placeholder, $name, $params) = $sub;
- if (isset($blocks[$name])) {
- $html = $blocks[$name];
- }
- else {
- $html = placeholder_include($name, explode(' ', $params));
- }
- return sprintf('<!--BLOCK:%s-->%s<!--/-->',
- is_numeric($name) ? '' : $placeholder, # edit replacement
- preg_replace('{<!--[^-]*-->}', '', $html) # contents
- );
- },
- $doc
- );
-}
-
-# custom error handling
-
define('DOCROOT', getcwd());
set_include_path(implode(PATH_SEPARATOR, [ DOCROOT, __DIR__ ]));
-function fail($error)
-{
- http_response_code(500);
- if (!isset($Article)) {
- $Article = new ArchiveArticle(NULL);
- $Article->title = 'Fout';
- }
- include_once 'page.inc.php';
- ob_start();
- require '500.inc.html';
- print getoutput(['debug' => $error]);
-}
+include_once 'error.inc.php';
-set_exception_handler('fail');
+# setup requested page
-define('E_FATAL', E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR | E_USER_ERROR);
+$request = preg_replace('/\?.*/', '', @$_SERVER['PATH_INFO'] ?: $_SERVER['REQUEST_URI']);
+$request = urldecode(trim($request, '/')) ?: 'index';
-set_error_handler(function ($level, $error, $file, $line) {
- if ($level & E_FATAL) {
- fail($error);
- return;
+$staticpage = "$request.html";
+if (file_exists($staticpage)) {
+ if (is_link($staticpage)) {
+ $target = preg_replace('/\.html$/', '', readlink($staticpage));
+ abort($target, '302 Shorthand');
}
- return FALSE;
-});
+}
+elseif (file_exists("$request/index.html")) {
+ $staticpage = "$request/index.html";
+}
-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]");
-});
+require_once('article.inc.php');
+$Page = new ArchiveArticle($staticpage);
-error_reporting(error_reporting() & ~E_FATAL);
+if ($_SERVER['HTTP_ACCEPT'] === 'text/plain') {
+ $Page->api = TRUE;
+}
# user login and control
-$User = NULL;
-include_once 'auth.inc.php';
-$Edit = isset($_GET['edit']);
-
-# distinguish subpage Args from topmost Page script
-
-$Args = '';
-$Page = preg_replace('/\?.*/', '', @$_SERVER['PATH_INFO'] ?: $_SERVER['REQUEST_URI']);
-$Page = urldecode(trim($Page, '/')) ?: 'index';
-while (TRUE) {
- if (file_exists("$Page/.private")) {
- # access restriction
- if (empty($User)) {
- http_response_code(303);
- $target = urlencode($_SERVER['REQUEST_URI']);
- header("Location: /login?goto=$target");
- exit;
- }
- $PageAccess = $Page;
- }
-
- if (file_exists("$Page/index.php")) {
- break;
- }
+include_once 'auth.inc.php'; // sets global $User
- $up = strrpos($Page, '/');
- $Args = substr($Page, $up) . $Args;
- $Page = substr($Page, 0, $up);
- if ($up === FALSE) {
- break;
+if ($Page->restricted) {
+ # access restriction
+ if (!$User->login) {
+ $target = urlencode($Page->link);
+ abort("/login?goto=$target", '303 Eerst inloggen');
}
}
-$staticpage = NULL;
-if (file_exists("$Page$Args.html")) {
- $staticpage = "$Page$Args.html";
- if (is_link($staticpage)) {
- $target = preg_replace('/\.html$/', '', readlink($staticpage));
- header("HTTP/1.1 302 Shorthand");
- header("Location: $target");
- exit;
- }
-}
-elseif (file_exists("$Page$Args/index.html")) {
- $staticpage = "$Page$Args/index.html";
-}
-elseif ($User and $User->admin("edit $Page$Args")) {
- $staticpage = (file_exists("$Page/template.inc.html") ? "$Page/template.inc.html" : 'template.inc.html');
-}
-
# prepare page contents
-require_once('article.inc.php');
-$Article = new ArchiveArticle($staticpage);
+header(sprintf('Content-Security-Policy: %s', implode('; ', [
+ "default-src 'self' 'unsafe-inline' http://cdn.ckeditor.com", # some overrides remain
+ "img-src 'self' data: blob: http://cdn.ckeditor.com", # inline svg (in css)
+ "base-uri 'self'", # only local pages
+ "frame-ancestors 'none'", # prevent malicious embedding
+])));
-ob_start(); # page body
-$Place = [
- 'user' => $User ? $User->login : '',
+$Page->place += [
+ 'user' => $User->login ?: '',
'url' => htmlspecialchars($_SERVER['REQUEST_URI']),
];
-if (isset($Article->raw)) {
- if ($User and $User->admin("edit $Page$Args")) {
- # restore meta tags in static contents for editing
- foreach (array_reverse($Article->meta) as $metaprop => $val) {
- $Article->raw = sprintf(
- '<meta property="%s" content="%s" />'."\n",
- $metaprop, $val
- ) . $Article->raw;
- }
- }
- $Article->raw = '<div class="static">'."\n\n".$Article->raw."</div>\n\n";
+if ($Page->editable = $User->admin("edit {$Page->link}")) {
+ include_once 'edit/head.inc.php';
+}
+
+if (isset($Page->raw)) {
+ $Page->raw = '<div class="static">'."\n\n".$Page->raw."</div>\n\n";
}
# output dynamic and/or static html
-if (!$Page or require("./$Page/index.php")) {
- # static contents
- if (isset($Article->raw)) {
- print $Article->raw;
- }
- else {
+include_once 'format.inc.php';
+
+ob_start();
+if ($Page->handler and !$Page->index($Page->api)) {
+ # replace contents by code output on false return
+ $Page->raw = ob_get_clean();
+}
+else {
+ # keep article contents
+ if (!isset($Page->body)) {
# no resulting output
http_response_code(404);
@require '404.inc.html';
+ $Page->raw = ob_get_clean() . $Page->raw;
}
}
-include_once 'page.inc.php';
+if ($_SERVER['HTTP_ACCEPT'] === 'application/xml') {
+ header('Access-Control-Allow-Origin: *');
+}
+elseif (!$Page->api) {
+ include_once 'page.inc.php';
+}
+print $Page->render();