X-Git-Url: http://git.shiar.nl/minimedit.git/blobdiff_plain/2b56d0fa69a4608fb1b582fca5f08d343f5b90eb..c173b349324dff9933e38a62ca14342430c75e51:/page.php

diff --git a/page.php b/page.php
index f6c2346..8a37533 100644
--- a/page.php
+++ b/page.php
@@ -2,65 +2,93 @@
 error_reporting(E_ALL);
 ini_set('display_errors', TRUE);
 
-include_once 'auth.inc.php';
-$Edit = isset($_GET['edit']);
+define('DOCROOT', getcwd());
+set_include_path(implode(PATH_SEPARATOR, [ DOCROOT, __DIR__ ]));
 
-# distinguish subpage Args from topmost Page script
+include_once 'error.inc.php';
 
-$Args = '';
-$Page = preg_replace('/\?.*/', '', $_SERVER['REQUEST_URI']);
-$Page = urldecode(trim($Page, '/')) ?: 'index';
-while (TRUE) {
-	if (file_exists("$Page.php")) {
-		break;
-	}
+# 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($staticpage));
+		abort($target, '302 Shorthand');
 	}
 }
+elseif (file_exists("$request/index.html")) {
+	$staticpage = "$request/index.html";
+}
 
-# execute dynamic code
+require_once('article.inc.php');
+$Page = new ArchiveArticle($staticpage);
 
-$prepend = $append = '';
-if ($Page) {
-	require "./$Page.php";
-	if (ob_get_level() > 1) $append  = ob_get_clean();
-	if (ob_get_level() > 0) $prepend = ob_get_clean();
+if (@$_SERVER['HTTP_ACCEPT'] === 'text/plain') {
+	$Page->api = TRUE;
 }
 
-# prepare static contents
+# user login and control
 
-include_once 'page.inc.php'; # global html
+include_once 'auth.inc.php'; // sets global $User
 
-if (file_exists("$Page$Args/index.html")) {
-	$Args .= '/index';
+if ($Page->restricted) {
+	# access restriction
+	if (!$User->login) {
+		$target = urlencode($Page->link);
+		abort("/login?goto=$target", '303 Eerst inloggen');
+	}
 }
 
-if (!$Page and !file_exists("$Page$Args.html")) {
-	# include not found
-	$Args = '';
-	if (isset($User) and $User['admin']) {
-		$Page = 'template';
-	}
-	else {
-		$Page = '404';
-		require "./$Page.php";
-	}
+# 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: blob: http://cdn.ckeditor.com", # inline svg (in css)
+	"base-uri 'self'", # only local pages
+	"frame-ancestors 'none'", # prevent malicious embedding
+])));
+
+$Page->place += [
+	'user'  => $User->login ?: '',
+	'url'   => htmlspecialchars($_SERVER['REQUEST_URI']),
+];
+
+if ($Page->editable = $User->admin("edit {$Page->link}")) {
+	include_once 'edit/head.inc.php';
+}
+
+if (isset($Page->raw)
+and @$_SERVER['HTTP_ACCEPT'] !== 'application/xml') {
+	$Page->raw = '<div class="static">'."\n\n".$Page->raw."</div>\n\n";
 }
 
-# output prepared html
+# output dynamic and/or static html
 
-print $prepend;
+include_once 'format.inc.php';
 
-print '<div class="static">'."\n\n";
-if (file_exists("$Page$Args.html")) {
-include "./$Page$Args.html"; # static contents
+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;
+	}
 }
-print "</div>\n\n";
 
-print $append;
+if (@$_SERVER['HTTP_ACCEPT'] === 'application/xml') {
+	header('Access-Control-Allow-Origin: *');
+}
+elseif (!$Page->api) {
+	include_once 'page.inc.php';
+}
+print $Page->render();