doku.php

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