X-Git-Url: http://git.shiar.nl/minimedit.git/blobdiff_plain/903ef7aadee5cee917ce10f775a47bcf77658bae..4486f69521f03fe56549394f13f7c529f57fa962:/page.php

diff --git a/page.php b/page.php
index 856a08a..35a810a 100644
--- a/page.php
+++ b/page.php
@@ -2,72 +2,86 @@
 error_reporting(E_ALL);
 ini_set('display_errors', TRUE);
 
-set_exception_handler(function ($error) {
-	http_response_code(500);
-	include_once 'page.inc.php';
-	ob_start();
-	require_once './500.html';
-	print str_replace('[[debug]]', $error, ob_get_clean());
-});
-
-include_once 'auth.inc.php';
-$Edit = isset($_GET['edit']);
-
-# distinguish subpage Args from topmost Page script
-
-$Args = '';
-$Page = preg_replace('/\?.*/', '', $_SERVER['REQUEST_URI']);
-$Page = urldecode(trim($Page, '/')) ?: 'index';
-while (TRUE) {
-	if (file_exists("$Page.php")) {
-		break;
-	}
+define('DOCROOT', getcwd());
+set_include_path(implode(PATH_SEPARATOR, [ DOCROOT, __DIR__ ]));
+
+include_once 'error.inc.php';
+
+# setup requested page
+
+$request = preg_replace('/\?.*/', '', @$_SERVER['PATH_INFO'] ?: $_SERVER['REQUEST_URI']);
+$request = urldecode(trim($request, '/')) ?: 'index';
 
-	$up = strrpos($Page, '/');
-	$Args = substr($Page, $up) . $Args;
-	$Page = substr($Page, 0, $up);
-	if ($up === FALSE) {
-		break;
+$staticpage = "$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";
+}
 
-# load static contents
+require_once('article.inc.php');
+$Page = new ArchiveArticle($staticpage);
 
-ob_start(); # page body
-ob_start(); # inner html
-print '<div class="static">'."\n\n";
+# user login and control
 
-$found = FALSE;
-if (file_exists("$Page$Args/index.html")) {
-	$found = include "./$Page$Args/index.html";
-}
-elseif (file_exists("$Page$Args.html")) {
-	$found = include "./$Page$Args.html";
+include_once 'auth.inc.php'; // sets global $User
+
+if ($Page->restricted) {
+	# access restriction
+	if (!$User->login) {
+		http_response_code(303);
+		$target = urlencode($Page->link);
+		header("Location: /login?goto=$target");
+		exit;
+	}
 }
 
-print "</div>\n\n";
+# prepare page contents
 
-# execute dynamic code
+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
+])));
 
-if ($Page) {
-	$found |= require "./$Page.php";
+$Page->place += [
+	'user'  => $User->login ?: '',
+	'url'   => htmlspecialchars($_SERVER['REQUEST_URI']),
+];
+
+if ($User->admin("edit {$Page->link}")) {
+	include_once 'edit/head.inc.php';
 }
 
-# global html
+if (isset($Page->raw)) {
+	$Page->raw = '<div class="static">'."\n\n".$Page->raw."</div>\n\n";
+}
 
-include_once 'page.inc.php';
+# output dynamic and/or static html
 
-if (!$found) {
-	# no resulting output
-	if (isset($User) and $User['admin']) {
-		require './template.html';
-	}
-	else {
+include_once 'format.inc.php';
+
+ob_start();
+if ($Page->handler and !require("./{$Page->handler}/index.php")) {
+	# 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);
-		ob_start();
-		require "./404.html";
-		$url = htmlspecialchars($_SERVER['REQUEST_URI']);
-		print str_replace('[[url]]', $url, ob_get_clean());
+		@require '404.inc.html';
+		$Page->raw = ob_get_clean() . $Page->raw;
 	}
 }
 
+include_once 'page.inc.php';
+