xref: /dokuwiki/doku.php (revision cdefa10b874351d06c6f83b3563ab9c3f116e5ab) 
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 $INPUT
9 */
10
11// update message version - always use a string to avoid localized floats!
12$updateVersion = "51";
13
14//  xdebug_start_profiling();
15
16if(!defined('DOKU_INC')) define('DOKU_INC', dirname(__FILE__).'/');
17
18// define all DokuWiki globals here (needed within test requests but also helps to keep track)
19global  $ACT,  $INPUT, $QUERY, $ID, $REV, $DATE_AT, $IDX,
20        $DATE, $RANGE, $HIGH, $TEXT, $PRE, $SUF, $SUM, $INFO, $JSINFO;
21
22
23if(isset($_SERVER['HTTP_X_DOKUWIKI_DO'])) {
24    $ACT = trim(strtolower($_SERVER['HTTP_X_DOKUWIKI_DO']));
25} elseif(!empty($_REQUEST['idx'])) {
26    $ACT = 'index';
27} elseif(isset($_REQUEST['do'])) {
28    $ACT = $_REQUEST['do'];
29} else {
30    $ACT = 'show';
31}
32
33// load and initialize the core system
34require_once(DOKU_INC.'inc/init.php');
35
36//import variables
37$INPUT->set('id', str_replace("\xC2\xAD", '', $INPUT->str('id'))); //soft-hyphen
38$QUERY          = trim($INPUT->str('q'));
39$ID             = getID();
40
41$REV   = $INPUT->int('rev');
42$DATE_AT = $INPUT->str('at');
43$IDX   = $INPUT->str('idx');
44$DATE  = $INPUT->int('date');
45$RANGE = $INPUT->str('range');
46$HIGH  = $INPUT->param('s');
47if(empty($HIGH)) $HIGH = getGoogleQuery();
48
49if($INPUT->post->has('wikitext')) {
50    $TEXT = cleanText($INPUT->post->str('wikitext'));
51}
52$PRE = cleanText(substr($INPUT->post->str('prefix'), 0, -1));
53$SUF = cleanText($INPUT->post->str('suffix'));
54$SUM = $INPUT->post->str('summary');
55
56
57//parse DATE_AT
58if($DATE_AT) {
59    $date_parse = strtotime($DATE_AT);
60    if($date_parse) {
61        $DATE_AT = $date_parse;
62    } else { // check for UNIX Timestamp
63        $date_parse = @date('Ymd',$DATE_AT);
64        if(!$date_parse || $date_parse === '19700101') {
65            msg(sprintf($lang['unable_to_parse_date'], hsc($DATE_AT)));
66            $DATE_AT = null;
67        }
68    }
69}
70
71//check for existing $REV related to $DATE_AT
72if($DATE_AT) {
73    $pagelog = new PageChangeLog($ID);
74    $rev_t = $pagelog->getLastRevisionAt($DATE_AT);
75    if($rev_t === '') { //current revision
76        $REV = null;
77        $DATE_AT = null;
78    } else if ($rev_t === false) { //page did not exist
79        $rev_n = $pagelog->getRelativeRevision($DATE_AT,+1);
80        msg(sprintf($lang['page_nonexist_rev'],
81            strftime($conf['dformat'],$DATE_AT),
82            wl($ID, array('rev' => $rev_n)),
83            strftime($conf['dformat'],$rev_n)));
84        $REV = $DATE_AT; //will result in a page not exists message
85    } else {
86        $REV = $rev_t;
87    }
88}
89
90//make infos about the selected page available
91$INFO = pageinfo();
92
93// handle debugging
94if($conf['allowdebug'] && $ACT == 'debug') {
95    html_debug();
96    exit;
97}
98
99//send 404 for missing pages if configured or ID has special meaning to bots
100if(!$INFO['exists'] &&
101    ($conf['send404'] || preg_match('/^(robots\.txt|sitemap\.xml(\.gz)?|favicon\.ico|crossdomain\.xml)$/', $ID)) &&
102    ($ACT == 'show' || (!is_array($ACT) && substr($ACT, 0, 7) == 'export_'))
103) {
104    header('HTTP/1.0 404 Not Found');
105}
106
107//prepare breadcrumbs (initialize a static var)
108if($conf['breadcrumbs']) breadcrumbs();
109
110// check upstream
111checkUpdateMessages();
112
113$tmp = array(); // No event data
114trigger_event('DOKUWIKI_STARTED', $tmp);
115
116//close session
117session_write_close();
118
119//do the work (picks up what to do from global env)
120act_dispatch();
121
122$tmp = array(); // No event data
123trigger_event('DOKUWIKI_DONE', $tmp);
124
125//  xdebug_dump_function_profile(1);
126