From 2b27ff99ce8ff74aa0e8a2a3e51c02d1c0655e13 Mon Sep 17 00:00:00 2001
From: Florent Bruneau <florent.bruneau@polytechnique.org>
Date: Sun, 27 Jul 2008 20:16:51 +0200
Subject: [PATCH] Move the wiki engine in the core.

Signed-off-by: Florent Bruneau <florent.bruneau@polytechnique.org>
---
 include/wiki.engine.inc.php | 135 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 include/wiki.engine.inc.php

diff --git a/include/wiki.engine.inc.php b/include/wiki.engine.inc.php
new file mode 100644
index 0000000..956d39c
--- /dev/null
+++ b/include/wiki.engine.inc.php
@@ -0,0 +1,135 @@
+<?php
+/***************************************************************************
+ *  Copyright (C) 2003-2008 Polytechnique.org                              *
+ *  http://opensource.polytechnique.org/                                   *
+ *                                                                         *
+ *  This program is free software; you can redistribute it and/or modify   *
+ *  it under the terms of the GNU General Public License as published by   *
+ *  the Free Software Foundation; either version 2 of the License, or      *
+ *  (at your option) any later version.                                    *
+ *                                                                         *
+ *  This program is distributed in the hope that it will be useful,        *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
+ *  GNU General Public License for more details.                           *
+ *                                                                         *
+ *  You should have received a copy of the GNU General Public License      *
+ *  along with this program; if not, write to the Free Software            *
+ *  Foundation, Inc.,                                                      *
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
+ ***************************************************************************/
+
+$wp = PlWikiPage::currentPage();
+$n  = $wp->path;
+$feed  = false;
+
+// Check user perms
+switch (Env::v('action')) {
+  case 'rss': case 'atom': case 'sdf': case 'dc':
+    $wp->prepareFeed();
+    $feed = true;
+  case '': case 'search':
+    break;
+
+  case 'edit':
+    $wp->applyWritePerms();
+    break;
+
+  default:
+    $wp->applyReadPerms();
+    break;
+}
+
+if ($p = Post::v('setrperms')) {
+    $wp->applyPerms('admin');
+    if ($wp->setPerms($p, $wp->writePerms())) {
+        $page->trigSuccess('Permissions mises à jour');
+    }
+}
+
+if ($p = Post::v('setwperms')) {
+    $wp->applyPerms('admin');
+    if ($wp->setPerms($wp->readPerms(), $p)) {
+        $page->trigSuccess('Permissions mises à jour');
+    }
+}
+
+// Generate cache even if we don't have access rights
+$wiki_cache   = $wp->cacheFilename();
+$cache_exists = file_exists($wiki_cache);
+if (Env::v('action') || !$cache_exists) {
+    if ($cache_exists && !$feed) {
+        unlink($wiki_cache);
+    }
+
+    // we leave pmwiki do whatever it wants and store everything
+    ob_start();
+    require_once($globals->spoolroot . '/wiki/pmwiki.php');
+
+    $wikiAll = ob_get_clean();
+    pl_clear_errors();
+
+    // the pmwiki skin we are using (almost empty) has these keywords:
+    $i = strpos($wikiAll, "<!--/HeaderText-->");
+    $j = strpos($wikiAll, "<!--/PageLeftFmt-->", $i);
+}
+
+$wiki_exists = file_exists($wp->filename());
+
+$page =& Platal::page();
+$page->changeTpl('core/wiki.tpl');
+
+if ($feed) {
+    $wikiAll = str_replace('dc:contributor', 'author', $wikiAll);
+    $wikiAll = preg_replace('!<author>.*?\..*?\.(\d{4})\|(.*?)</author>!u', '<author>$2 (X$1)</author>', $wikiAll);
+    $wikiAll = str_replace('<link>./', '<link>' . $globals->baseurl . '/' . $platal->ns, $wikiAll);
+    echo $wikiAll;
+    pl_clear_errors();
+    exit;
+} elseif (Env::v('action')) {
+    $page->assign('pl_extra_header', substr($wikiAll, 0, $i));
+    $wikiAll = substr($wikiAll, $j);
+} else {
+    if (!$cache_exists && $wiki_exists) {
+        $wikiAll = substr($wikiAll, $j);
+        file_put_contents($wiki_cache, $wikiAll);
+    } elseif ($cache_exists) {
+        $wikiAll = file_get_contents($wiki_cache);
+    } elseif (S::has_perms()) {
+        $wikiAll = "<p>La page de wiki $n n'existe pas. "
+                 . "Il te suffit de <a href='" . str_replace('.', '/', $n) . "?action=edit'>l'éditer</a></p>";
+    } else {
+        $page->changeTpl('core/404.tpl');
+    }
+}
+
+// Check user perms
+$wp->applyReadPerms();
+
+$page->assign('perms', array($wp->readPerms(), $wp->writePerms()));
+$page->assign('perms_opts', PlWikiPage::permOptions());
+
+$page->assign('canedit',    $wp->canWrite());
+$page->assign('has_perms',  S::has_perms());
+
+$page->assign('wikipage', str_replace('.', '/', $n));
+if (!$feed && $wp->writePerms() == 'admin' && !Env::v('action') && $wiki_exists) {
+    $page->assign('pmwiki_cache', $wiki_cache);
+} else {
+    $page->assign('pmwiki',   $wikiAll);
+    $page->assign('text', true);
+}
+$page->addCssLink('wiki.css');
+$page->addJsLink('wiki.js');
+if (!Env::v('action')) {
+    $url = '/' . str_replace('.', '/', $n) . '?action=rss';
+    if (S::logged()) {
+        $url .= '&user=' . S::v('forlife') . '&hash=' . S::v('core_rss_hash');
+    }
+    $page->setRssLink($n, $url);
+}
+
+$page->run();
+
+// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
+?>
-- 
2.1.4