X-Git-Url: http://git.shiar.nl/minimedit.git/blobdiff_plain/992858b68f3a1feaae7940026676497f74cdbdcf..76b939d83e563cb783d666c48b0fa9ffdac827e6:/page.php

diff --git a/page.php b/page.php
index 93b705f..f7c8f7d 100644
--- a/page.php
+++ b/page.php
@@ -2,133 +2,17 @@
 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)
-{
-	global $User, $Page, $Args;
-	http_response_code(500);
-	if (!isset($Article)) {
-		$Article = new ArchiveArticle(NULL);
-		$Article->title = 'Fout';
-	}
-	include_once 'page.inc.php';
-	ob_start();
-	require '500.inc.html';
-	print getoutput(['debug' => htmlspecialchars($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
-
-$User = NULL;
-include_once 'auth.inc.php';
-$Edit = isset($_GET['edit']);
+include_once 'error.inc.php';
 
 # setup requested page
 
-$Args = '';
-$Page = preg_replace('/\?.*/', '', @$_SERVER['PATH_INFO'] ?: $_SERVER['REQUEST_URI']);
-$Page = urldecode(trim($Page, '/')) ?: 'index';
+$request = preg_replace('/\?.*/', '', @$_SERVER['PATH_INFO'] ?: $_SERVER['REQUEST_URI']);
+$request = urldecode(trim($request, '/')) ?: 'index';
 
-$staticpage = "$Page.html";
+$staticpage = "$request.html";
 if (file_exists($staticpage)) {
 	if (is_link($staticpage)) {
 		$target = preg_replace('/\.html$/', '', readlink($staticpage));
@@ -137,21 +21,22 @@ if (file_exists($staticpage)) {
 		exit;
 	}
 }
-elseif (file_exists("$Page/index.html")) {
-	$staticpage = "$Page/index.html";
+elseif (file_exists("$request/index.html")) {
+	$staticpage = "$request/index.html";
 }
 
 require_once('article.inc.php');
-$Article = new ArchiveArticle($staticpage);
+$Page = new ArchiveArticle($staticpage);
 
-$Page = $Article->handler;
-$Args = $Article->path;
+# user login and control
+
+include_once 'auth.inc.php'; // sets global $User
 
-if ($PageAccess = $Article->restricted) {
+if ($Page->restricted) {
 	# access restriction
-	if (empty($User)) {
+	if (!$User->login) {
 		http_response_code(303);
-		$target = urlencode($Article->link);
+		$target = urlencode($Page->link);
 		header("Location: /login?goto=$target");
 		exit;
 	}
@@ -166,41 +51,35 @@ header(sprintf('Content-Security-Policy: %s', implode('; ', [
 	"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
-			) . $Article->raw;
-		}
-	}
-}
-elseif ($User and $User->admin("edit {$Article->link}")) {
-	$Article->raw(file_exists("$Page/template.inc.html") ? "$Page/template.inc.html" : 'template.inc.html');
+if ($User->admin("edit {$Page->link}")) {
+	include_once 'edit/head.inc.php';
 }
-if (isset($Article->raw)) {
-	$Article->raw = '<div class="static">'."\n\n".$Article->raw."</div>\n\n";
+
+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 !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);
 		@require '404.inc.html';
+		$Page->raw = ob_get_clean() . $Page->raw;
 	}
 }