xref: /dokuwiki/doku.php (revision c1482d1c08360e6401534a1391da2b650c37d34d) 
1<?php
2/**
3 * DokuWiki mainscript
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 *
8 * @global Input $INPUT
9 */
10
11use dokuwiki\ChangeLog\PageChangeLog;
12use dokuwiki\Extension\Event;
13
14// update message version - always use a string to avoid localized floats!
15$updateVersion = "55";
16
17//  xdebug_start_profiling();
18
19if(!defined('DOKU_INC')) define('DOKU_INC', __DIR__.'/');
20
21// define all DokuWiki globals here (needed within test requests but also helps to keep track)
22global  $ACT,  $INPUT, $QUERY, $ID, $REV, $DATE_AT, $IDX,
23        $DATE, $RANGE, $HIGH, $TEXT, $PRE, $SUF, $SUM, $INFO, $JSINFO;
24
25
26if(isset($_SERVER['HTTP_X_DOKUWIKI_DO'])) {
27    $ACT = trim(strtolower($_SERVER['HTTP_X_DOKUWIKI_DO']));
28} elseif(!empty($_REQUEST['idx'])) {
29    $ACT = 'index';
30} elseif(isset($_REQUEST['do'])) {
31    $ACT = $_REQUEST['do'];
32} else {
33    $ACT = 'show';
34}
35
36// load and initialize the core system
37require_once(DOKU_INC.'inc/init.php');
38
39//import variables
40$INPUT->set('id', str_replace("\xC2\xAD", '', $INPUT->str('id'))); //soft-hyphen
41$QUERY          = trim($INPUT->str('q'));
42$ID             = getID();
43
44$REV   = $INPUT->int('rev');
45$DATE_AT = $INPUT->str('at');
46$IDX   = $INPUT->str('idx');
47$DATE  = $INPUT->int('date');
48$RANGE = $INPUT->str('range');
49$HIGH  = $INPUT->param('s');
50if(empty($HIGH)) $HIGH = getGoogleQuery();
51
52if($INPUT->post->has('wikitext')) {
53    $TEXT = cleanText($INPUT->post->str('wikitext'));
54}
55$PRE = cleanText(substr($INPUT->post->str('prefix'), 0, -1));
56$SUF = cleanText($INPUT->post->str('suffix'));
57$SUM = $INPUT->post->str('summary');
58
59
60//parse DATE_AT
61if($DATE_AT) {
62    $date_parse = strtotime($DATE_AT);
63    if($date_parse) {
64        $DATE_AT = $date_parse;
65    } else { // check for UNIX Timestamp
66        $date_parse = @date('Ymd', $DATE_AT);
67        if(!$date_parse || $date_parse === '19700101') {
68            msg(sprintf($lang['unable_to_parse_date'], hsc($DATE_AT)));
69            $DATE_AT = null;
70        }
71    }
72}
73
74//check for existing $REV related to $DATE_AT
75if($DATE_AT) {
76    $pagelog = new PageChangeLog($ID);
77    $rev_t = $pagelog->getLastRevisionAt($DATE_AT);
78    if ($rev_t === '') {
79        //current revision
80        $REV = null;
81        $DATE_AT = null;
82    } elseif ($rev_t === false) {
83        //page did not exist
84        $rev_n = $pagelog->getRelativeRevision($DATE_AT, +1);
85        msg(
86            sprintf(
87                $lang['page_nonexist_rev'],
88                dformat($DATE_AT),
89                wl($ID, ['rev' => $rev_n]),
90                dformat($rev_n)
91            )
92        );
93        $REV = $DATE_AT; //will result in a page not exists message
94    } else {
95        $REV = $rev_t;
96    }
97}
98
99//make infos about the selected page available
100$INFO = pageinfo();
101
102// handle debugging
103if($conf['allowdebug'] && $ACT == 'debug') {
104    html_debug();
105    exit;
106}
107
108//send 404 for missing pages if configured or ID has special meaning to bots
109if(!$INFO['exists'] &&
110    ($conf['send404'] || preg_match('/^(robots\.txt|sitemap\.xml(\.gz)?|favicon\.ico|crossdomain\.xml)$/', $ID)) &&
111    ($ACT == 'show' || (!is_array($ACT) && substr($ACT, 0, 7) == 'export_'))
112) {
113    header('HTTP/1.0 404 Not Found');
114}
115
116//prepare breadcrumbs (initialize a static var)
117if($conf['breadcrumbs']) breadcrumbs();
118
119// check upstream
120checkUpdateMessages();
121
122$tmp = []; // No event data
123Event::createAndTrigger('DOKUWIKI_STARTED', $tmp);
124
125//close session
126session_write_close();
127
128//do the work (picks up what to do from global env)
129act_dispatch();
130
131$tmp = []; // No event data
132Event::createAndTrigger('DOKUWIKI_DONE', $tmp);
133
134//  xdebug_dump_function_profile(1);
135