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 
12 use dokuwiki\ChangeLog\PageChangeLog;
13 use 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 
20 if (!defined('DOKU_INC')) define('DOKU_INC', __DIR__ . '/');
21 
22 // define all DokuWiki globals here (needed within test requests but also helps to keep track)
23 global $ACT, $INPUT, $QUERY, $ID, $REV, $DATE_AT, $IDX,
24        $DATE, $RANGE, $HIGH, $TEXT, $PRE, $SUF, $SUM, $INFO, $JSINFO;
25 
26 
27 if (isset($_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
38 require_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 = $INPUT->param('s');
51 if (empty($HIGH)) $HIGH = getGoogleQuery();
52 
53 if ($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 = $INPUT->post->str('summary');
59 
60 
61 //parse DATE_AT
62 if ($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 $DATE_AT
76 if ($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 $INFO = pageinfo();
102 
103 // handle debugging
104 if ($conf['allowdebug'] && $ACT == 'debug') {
105     html_debug();
106     exit;
107 }
108 
109 //send 404 for missing pages if configured or ID has special meaning to bots
110 if (
111     !$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)
119 if ($conf['breadcrumbs']) breadcrumbs();
120 
121 // check upstream
122 checkUpdateMessages();
123 
124 $tmp = []; // No event data
125 Event::createAndTrigger('DOKUWIKI_STARTED', $tmp);
126 
127 //close session
128 session_write_close();
129 
130 //do the work (picks up what to do from global env)
131 act_dispatch();
132 
133 $tmp = []; // No event data
134 Event::createAndTrigger('DOKUWIKI_DONE', $tmp);
135 
136 //  xdebug_dump_function_profile(1);
137