| 1 | <?php |
| 2 | /*************************************************************************** |
| 3 | * Copyright (C) 2003-2006 Polytechnique.org * |
| 4 | * http://opensource.polytechnique.org/ * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the Free Software * |
| 18 | * Foundation, Inc., * |
| 19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
| 20 | ***************************************************************************/ |
| 21 | $wikisites = array('xorg','xnet'); |
| 22 | |
| 23 | function wiki_pagename() { |
| 24 | $n = str_replace('/', '.', Env::get('n', false)); |
| 25 | if (!$n) { |
| 26 | return null; |
| 27 | } |
| 28 | $keywords = explode('.', $n); |
| 29 | $count = count($keywords); |
| 30 | if ($count == 1) |
| 31 | $n = $keywords[0].".".$keywords[0]; |
| 32 | else |
| 33 | $n = $keywords[$count - 2].".".$keywords[$count - 1]; |
| 34 | global $globals; |
| 35 | if (($urln = str_replace('.', '/', $n)) != Env::get('n') && $n != Env::get('n')) |
| 36 | redirect($globals->relurl.'/'.$urln); |
| 37 | $_REQUEST['n'] = $n; |
| 38 | return $n; |
| 39 | } |
| 40 | |
| 41 | function wiki_work_dir() { |
| 42 | global $globals; |
| 43 | return realpath($globals->spoolroot.'htdocs/'.$globals->wiki->workdir); |
| 44 | } |
| 45 | |
| 46 | function wiki_template($n) { |
| 47 | global $wikisite; |
| 48 | return $tpl = wiki_work_dir().'/cache_'.$wikisite.'_'.$n.'.tpl'; |
| 49 | } |
| 50 | |
| 51 | // several files are used for wiki : |
| 52 | // - spool/wiki.d/PageName : the wiki page |
| 53 | // - spool/wiki.d/cache_PageName.tpl : the template cache |
| 54 | // - spool/templates_c/%%...%%cache_PageName.tpl.php : the PHP from Smarty |
| 55 | function wiki_clear_cache($n) { |
| 56 | global $page, $wikisite, $wikisites; |
| 57 | $oldwikisite = $wikisite; |
| 58 | foreach ($wikisites as $s) { |
| 59 | $wikisite = $s; |
| 60 | $tpl = wiki_template($n); |
| 61 | @unlink($tpl); |
| 62 | $page->clear_compiled_tpl($tpl); |
| 63 | } |
| 64 | $wikisite = $oldwikisite; |
| 65 | } |
| 66 | |
| 67 | function wiki_clear_all_cache() |
| 68 | { |
| 69 | system("rm -f ".wiki_work_dir()."/cache_*"); |
| 70 | } |
| 71 | |
| 72 | // editing pages are not static but used templates too, so we used |
| 73 | // temp template files containing result from wiki |
| 74 | function wiki_create_tmp($content) { |
| 75 | $tmpfile = tempnam(wiki_work_dir(), "temp_"); |
| 76 | $f = fopen($tmpfile, 'w'); |
| 77 | fputs($f, $content); |
| 78 | fclose($f); |
| 79 | return $tmpfile; |
| 80 | } |
| 81 | |
| 82 | function wiki_clean_tmp() { |
| 83 | // clean old tmp files (more than one hour) |
| 84 | $wiki_work_dir = wiki_work_dir(); |
| 85 | $dh = opendir(wiki_work_dir()); |
| 86 | $time = time(); |
| 87 | while (($file = readdir($dh)) !== false) { |
| 88 | if (strpos($file, 'temp_') === 0) { |
| 89 | $created = filectime($wiki_work_dir.'/'.$file); |
| 90 | if ($time-$created > 60 * 60) |
| 91 | @unlink($wiki_work_dir.'/'.$file); |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | function wiki_assign_auth() { |
| 97 | global $page, $wiki_auths; |
| 98 | $page->assign('logged', logged()); |
| 99 | $page->assign('identified', identified()); |
| 100 | $page->assign('has_perms', has_perms()); |
| 101 | $page->assign('public', true); |
| 102 | $page->assign('wiki_admin', has_perms() && identified()); |
| 103 | } |
| 104 | |
| 105 | // cannot be in a function because pmwiki use all vars as if it was globals |
| 106 | //function new_wiki_page() { |
| 107 | // the wiki keword is given in the n var |
| 108 | if ( $n = wiki_pagename() ) |
| 109 | { |
| 110 | |
| 111 | $wiki_template = wiki_template($n); |
| 112 | $tmpfile_exists = file_exists($wiki_template); |
| 113 | |
| 114 | // don't recreate the tpl if it already exists |
| 115 | if (Env::get('action') || !$tmpfile_exists) |
| 116 | { |
| 117 | if ($tmpfile_exists) { |
| 118 | wiki_clear_cache($n); |
| 119 | } |
| 120 | |
| 121 | // we leave pmwiki do whatever it wants and store everything |
| 122 | ob_start(); |
| 123 | require_once($globals->spoolroot.'/'.$globals->wiki->wikidir.'/pmwiki.php'); |
| 124 | |
| 125 | $wikiAll = ob_get_clean(); |
| 126 | // the pmwiki skin we are using (almost empty) has these keywords: |
| 127 | $i = strpos($wikiAll, "<!--/HeaderText-->"); |
| 128 | $j = strpos($wikiAll, "<!--/PageLeftFmt-->", $i); |
| 129 | |
| 130 | } |
| 131 | if (Env::get('action')) |
| 132 | { |
| 133 | // clean old tmp files |
| 134 | wiki_clean_tmp(); |
| 135 | $page->assign('xorg_extra_header', substr($wikiAll, 0, $i)); |
| 136 | // create new tmp files with editing page from wiki engine |
| 137 | $wiki_template = wiki_create_tmp(substr($wikiAll, $j)); |
| 138 | } else { |
| 139 | if (!$tmpfile_exists) |
| 140 | { |
| 141 | $f = fopen($wiki_template, 'w'); |
| 142 | fputs($f, substr($wikiAll, $j)); |
| 143 | fclose($f); |
| 144 | } |
| 145 | } |
| 146 | } |
| 147 | //return $wiki_template; |
| 148 | //} |
| 149 | ?> |