BugTrack/2420 AutoTicketLink - Improve regex and JSON encode

[pukiwiki/pukiwiki.git] / plugin / template.inc.php

diff --git a/plugin/template.inc.php b/plugin/template.inc.php
index 09eb7be..971c46b 100644 (file)
--- a/plugin/template.inc.php
+++ b/plugin/template.inc.php
@@ -1,24 +1,42 @@
 <?php
-// $Id: template.inc.php,v 1.19 2004/10/09 09:05:33 henoheno Exp $
+// PukiWiki - Yet another WikiWikiWeb clone.
+// template.inc.php
+// Copyright
+//   2002-2017 PukiWiki Development Team
+//   2001-2002 Originally written by yu-ji
+// License: GPL v2 or (at your option) any later version
+//
+// Load template plugin
 
 define('MAX_LEN', 60);
 
 function plugin_template_action()
 {
-       global $script, $vars;
+       global $vars;
        global $_title_edit;
        global $_msg_template_start, $_msg_template_end, $_msg_template_page, $_msg_template_refer;
        global $_btn_template_create, $_title_template;
        global $_err_template_already, $_err_template_invalid, $_msg_template_force;
 
-       if (! isset($vars['refer']) || ! is_page($vars['refer']))
+       $script = get_base_uri();
+       if (PKWK_READONLY) die_message('PKWK_READONLY prohibits editing');
+       if (! isset($vars['refer']) || ! is_page($vars['refer'])) {
+               if (isset($vars['action']) && $vars['action'] === 'list') {
+                       plugin_template_output_list();
+                       exit;
+               }
                return FALSE;
-
-       $lines = get_source($vars['refer']);
-
-       // #freeze¤òºï½ü
+       }
+       $refer = $vars['refer'];
+       // Ensure page is readable, or show Login UI and exit
+       ensure_page_readable($refer);
+       $lines = get_source($refer);
+       // Remove '#freeze'
        if (! empty($lines) && strtolower(rtrim($lines[0])) == '#freeze')
                array_shift($lines);
+       // Remove '#author'
+       if (! empty($lines) && preg_match('/^#author\(/', $lines[0]))
+               array_shift($lines);
 
        $begin = (isset($vars['begin']) && is_numeric($vars['begin'])) ? $vars['begin'] : 0;
        $end   = (isset($vars['end'])   && is_numeric($vars['end']))   ? $vars['end'] : count($lines) - 1;
@@ -32,6 +50,8 @@ function plugin_template_action()
 
        // edit
        if ($is_pagename = is_pagename($page) && (! $is_page || ! empty($vars['force']))) {
+       // Ensure page is readable, or show Login UI and exit
+               ensure_page_writable($page);
                $postdata       = join('', array_splice($lines, $begin, $end - $begin + 1));
                $retvar['msg']  = $_title_edit;
                $retvar['body'] = edit_form($vars['page'], $postdata);
@@ -40,7 +60,7 @@ function plugin_template_action()
        }
        $begin_select = $end_select = '';
        for ($i = 0; $i < count($lines); $i++) {
-               $line = htmlspecialchars(mb_strimwidth($lines[$i], 0, MAX_LEN, '...'));
+               $line = htmlsc(mb_strimwidth($lines[$i], 0, MAX_LEN, '...'));
 
                $tag = ($i == $begin) ? ' selected="selected"' : '';
                $begin_select .= "<option value=\"$i\"$tag>$line</option>\n";
@@ -49,7 +69,7 @@ function plugin_template_action()
                $end_select .= "<option value=\"$i\"$tag>$line</option>\n";
        }
 
-       $_page = htmlspecialchars($page);
+       $_page = htmlsc($page);
        $msg = $tag = '';
        if ($is_page) {
                $msg = $_err_template_already;
@@ -58,7 +78,7 @@ function plugin_template_action()
                $msg = str_replace('$1', $_page, $_err_template_invalid);
        }
 
-       $s_refer = htmlspecialchars($vars['refer']);
+       $s_refer = htmlsc($vars['refer']);
        $s_page  = ($page == '') ? str_replace('$1', $s_refer, $_msg_template_page) : $_page;
        $ret     = <<<EOD
 <form action="$script" method="post">
@@ -67,7 +87,8 @@ function plugin_template_action()
   <input type="hidden" name="refer"  value="$s_refer" />
   $_msg_template_start <select name="begin" size="10">$begin_select</select><br /><br />
   $_msg_template_end   <select name="end"   size="10">$end_select</select><br /><br />
-  $_msg_template_refer <input type="text" name="page" value="$s_page" />
+  <label for="_p_template_refer">$_msg_template_refer</label>
+  <input type="text" name="page" id="_p_template_refer" value="$s_page" />
   <input type="submit" name="submit" value="$_btn_template_create" /> $tag
  </div>
 </form>
@@ -78,4 +99,20 @@ EOD;
 
        return $retvar;
 }
-?>
+
+function plugin_template_output_list()
+{
+       $template_page_key = 'template_pages';
+       $empty_result = '{"' . $template_page_key . '":[]}';
+       header('Content-Type: application/json; charset=UTF-8');
+       // PHP 5.4+
+       $enabled = defined('JSON_UNESCAPED_UNICODE') && defined('PKWK_UTF8_ENABLE');
+       if (!$enabled) {
+               print($empty_result);
+               exit;
+       }
+       $template_pages = array_values(get_template_page_list());
+       $ar = array($template_page_key => $template_pages);
+       print(json_encode($ar, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES));
+       exit;
+}