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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 | $n = str_replace('/', '.', Env::get('n', false)); |
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25 | if (!$n) { |
26 | return null; |
27 | } |
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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 $globals; |
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35 | if (($urln = str_replace('.', '/', $n)) != Env::get('n') && $n != Env::get('n')) |
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36 | redirect($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 = $oldwikisite; |
65 | } |
66 | |
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67 | function wiki_clear_all_cache() |
68 | { |
69 | system("rm -f ".wiki_work_dir()."/cache_*"); |
70 | } |
71 | |
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72 | // editing pages are not static but used templates too, so we used |
73 | // temp template files containing result from wiki |
74 | function wiki_create_tmp($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() { |
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107 | // the wiki keword is given in the n var |
108 | if ( $n = wiki_pagename() ) |
109 | { |
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110 | |
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111 | $wiki_template = wiki_template($n); |
112 | $tmpfile_exists = file_exists($wiki_template); |
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113 | |
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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($n); |
119 | } |
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120 | |
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121 | // we leave pmwiki do whatever it wants and store everything |
122 | ob_start(); |
123 | require_once($globals->spoolroot.'/'.$globals->wiki->wikidir.'/pmwiki.php'); |
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124 | |
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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 | } |
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147 | //return $wiki_template; |
148 | //} |
149 | ?> |