doku.php

   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 = "55";
  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($ACT) && substr($ACT, 0, 7) == '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);