1<?php
2
3/**
4 * DokuWiki mainscript
5 *
6 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
7 * @author     Andreas Gohr <andi@splitbrain.org>
8 *
9 * @global Input $INPUT
10 */
11
12use dokuwiki\ChangeLog\PageChangeLog;
13use dokuwiki\Extension\Event;
14
15// update message version - always use a string to avoid localized floats!
16$updateVersion = "56";
17
18//  xdebug_start_profiling();
19
20if (!defined('DOKU_INC')) define('DOKU_INC', __DIR__ . '/');
21
22// define all DokuWiki globals here (needed within test requests but also helps to keep track)
23global $ACT, $INPUT, $QUERY, $ID, $REV, $DATE_AT, $IDX,
24       $DATE, $RANGE, $HIGH, $TEXT, $PRE, $SUF, $SUM, $INFO, $JSINFO;
25
26
27if (isset($_SERVER['HTTP_X_DOKUWIKI_DO'])) {
28    $ACT = trim(strtolower($_SERVER['HTTP_X_DOKUWIKI_DO']));
29} elseif (!empty($_REQUEST['idx'])) {
30    $ACT = 'index';
31} elseif (isset($_REQUEST['do'])) {
32    $ACT = $_REQUEST['do'];
33} else {
34    $ACT = 'show';
35}
36
37// load and initialize the core system
38require_once(DOKU_INC . 'inc/init.php');
39
40//import variables
41$INPUT->set('id', str_replace("\xC2\xAD", '', $INPUT->str('id'))); //soft-hyphen
42$QUERY = trim($INPUT->str('q'));
43$ID = getID();
44
45$REV = $INPUT->int('rev');
46$DATE_AT = $INPUT->str('at');
47$IDX = $INPUT->str('idx');
48$DATE = $INPUT->int('date');
49$RANGE = $INPUT->str('range');
50$HIGH = $INPUT->param('s');
51if (empty($HIGH)) $HIGH = getGoogleQuery();
52
53if ($INPUT->post->has('wikitext')) {
54    $TEXT = cleanText($INPUT->post->str('wikitext'));
55}
56$PRE = cleanText(substr($INPUT->post->str('prefix'), 0, -1));
57$SUF = cleanText($INPUT->post->str('suffix'));
58$SUM = $INPUT->post->str('summary');
59
60
61//parse DATE_AT
62if ($DATE_AT) {
63    $date_parse = strtotime($DATE_AT);
64    if ($date_parse) {
65        $DATE_AT = $date_parse;
66    } else { // check for UNIX Timestamp
67        $date_parse = @date('Ymd', $DATE_AT);
68        if (!$date_parse || $date_parse === '19700101') {
69            msg(sprintf($lang['unable_to_parse_date'], hsc($DATE_AT)));
70            $DATE_AT = null;
71        }
72    }
73}
74
75//check for existing $REV related to $DATE_AT
76if ($DATE_AT) {
77    $pagelog = new PageChangeLog($ID);
78    $rev_t = $pagelog->getLastRevisionAt($DATE_AT);
79    if ($rev_t === '') {
80        //current revision
81        $REV = null;
82        $DATE_AT = null;
83    } elseif ($rev_t === false) {
84        //page did not exist
85        $rev_n = $pagelog->getRelativeRevision($DATE_AT, +1);
86        msg(
87            sprintf(
88                $lang['page_nonexist_rev'],
89                dformat($DATE_AT),
90                wl($ID, ['rev' => $rev_n]),
91                dformat($rev_n)
92            )
93        );
94        $REV = $DATE_AT; //will result in a page not exists message
95    } else {
96        $REV = $rev_t;
97    }
98}
99
100//make infos about the selected page available
101$INFO = pageinfo();
102
103// handle debugging
104if ($conf['allowdebug'] && $ACT == 'debug') {
105    html_debug();
106    exit;
107}
108
109//send 404 for missing pages if configured or ID has special meaning to bots
110if (
111    !$INFO['exists'] &&
112    ($conf['send404'] || preg_match('/^(robots\.txt|sitemap\.xml(\.gz)?|favicon\.ico|crossdomain\.xml)$/', $ID)) &&
113    ($ACT == 'show' || (!is_array($ACT) && str_starts_with($ACT, 'export_')))
114) {
115    header('HTTP/1.0 404 Not Found');
116}
117
118//prepare breadcrumbs (initialize a static var)
119if ($conf['breadcrumbs']) breadcrumbs();
120
121// check upstream
122checkUpdateMessages();
123
124$tmp = []; // No event data
125Event::createAndTrigger('DOKUWIKI_STARTED', $tmp);
126
127//close session
128session_write_close();
129
130//do the work (picks up what to do from global env)
131act_dispatch();
132
133$tmp = []; // No event data
134Event::createAndTrigger('DOKUWIKI_DONE', $tmp);
135
136//  xdebug_dump_function_profile(1);
137