edit/page: editor notification of save results

[minimedit.git] / page.php

diff --git a/page.php b/page.php
index 6d98863165e670b5d55cc8793fb89b89777ad62a..bb53a94a407306a04c99c13c3102a40562b2417c 100644 (file)
--- a/page.php
+++ b/page.php
@@ -2,32 +2,126 @@
 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 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;
+               }
+       }
+
+       return preg_replace_callback(
+               '< \[\[ ([^] ]+) ([^]]*) \]\] >x',
+               function ($sub) use ($blocks) {
+                       list ($placeholder, $name, $params) = $sub;
+                       if (isset($blocks[$name])) {
+                               $html = $blocks[$name];
+                       }
+                       elseif (file_exists("$name.php")) {
+                               ob_start();
+                               $Page = $GLOBALS['Page'] . $GLOBALS['Args'];
+                               $Args = '';
+                               $Place = $GLOBALS['Place'];
+                               foreach (explode(' ', $params) as $param) {
+                                       if ($set = strpos($param, '=')) {
+                                               $Place[ substr($param, 0, $set) ] = substr($param, $set + 1);
+                                       }
+                                       elseif (!empty($param)) {
+                                               $Args .= '/'.$param;
+                                       }
+                               }
+                               try {
+                                       include "$name.php";
+                                       $html = ob_get_clean();
+                               }
+                               catch (Exception $e) {
+                                       $html = sprintf('<strong class="warn">%s</strong>',
+                                               "fout in <em>$name</em>: {$e->getMessage()}"
+                                       );
+                               }
+                       }
+                       else {
+                               $html = '<strong class="warn"><em>'.$name.'</em> ontbreekt</strong>';
+                       }
+                       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);
        include_once 'page.inc.php';
        ob_start();
-       require_once './500.html';
+       require_once '500.html';
        print getoutput(['debug' => $error]);
 }
+
 set_exception_handler('fail');
+
+define('E_FATAL', E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR | E_USER_ERROR);
+
+set_error_handler(function ($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_ERROR | E_CORE_ERROR | E_COMPILE_ERROR | E_USER_ERROR))) return;
+       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
+
 include_once 'auth.inc.php';
 $Edit = isset($_GET['edit']);
 
 # distinguish subpage Args from topmost Page script
 
 $Args = '';
-$Page = preg_replace('/\?.*/', '', $_SERVER['REQUEST_URI']);
+$Page = preg_replace('/\?.*/', '', @$_SERVER['PATH_INFO'] ?: $_SERVER['REQUEST_URI']);
 $Page = urldecode(trim($Page, '/')) ?: 'index';
 while (TRUE) {
-       if (file_exists("$Page.php")) {
+       if (file_exists("$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;
        }
 
@@ -46,44 +140,38 @@ ob_start(); # inner html
 print '<div class="static">'."\n\n";
 
 $found = FALSE;
-if (file_exists("$Page$Args/index.html")) {
+if (file_exists("$Page$Args.html")) {
+       $found = include "./$Page$Args.html";
+}
+elseif (file_exists("$Page$Args/index.html")) {
        $found = include "./$Page$Args/index.html";
 }
-elseif (file_exists("$Page$Args.html")) {
-       $found = include "./$Page$Args.html";
+elseif (!empty($User['admin'])) {
+       $found = include (file_exists("$Page/template.html") ? "$Page/template.html" : './template.html');
 }
 
 print "</div>\n\n";
 
 # execute dynamic code
 
-if ($Page) {
-       function getoutput($blocks = [])
-       {
-               $rep = [];
-               foreach ($blocks as $name => $html) {
-                       $rep["[[$name]]"] = $html;
-               }
-               return str_replace(array_keys($rep), array_values($rep), ob_get_clean());
-       }
+$Place = [];
 
-       $found |= require "./$Page.php";
+if ($Page) {
+       $found |= require "./$Page/index.php";
 }
 
-# global html
+$Place += [
+       'user'  => empty($User) ? '' : $User['name'],
+       'url'   => htmlspecialchars($_SERVER['REQUEST_URI']),
+];
 
-include_once 'page.inc.php';
+# global html
 
 if (!$found) {
        # no resulting output
-       if (isset($User) and $User['admin']) {
-               require './template.html';
-       }
-       else {
-               http_response_code(404);
-               ob_start();
-               require "./404.html";
-               print getoutput([ 'url' => htmlspecialchars($_SERVER['REQUEST_URI']) ]);
-       }
+       http_response_code(404);
+       @require '404.html';
 }
 
+include_once 'page.inc.php';
+