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 use dokuwiki\ChangeLog\PageChangeLog;
  12 use 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
  19 if (!defined('DOKU_INC')) define('DOKU_INC', __DIR__ . '/');
  20
  21 // define all DokuWiki globals here (needed within test requests but also helps to keep track)
  22 global $ACT, $INPUT, $QUERY, $ID, $REV, $DATE_AT, $IDX,
  23        $DATE, $RANGE, $HIGH, $TEXT, $PRE, $SUF, $SUM, $INFO, $JSINFO;
  24
  25
  26 if (isset($_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
  37 require_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 = $INPUT->param('s');
  50 if (empty($HIGH)) $HIGH = getGoogleQuery();
  51
  52 if ($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 = $INPUT->post->str('summary');
  58
  59
  60 //parse DATE_AT
  61 if ($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 $DATE_AT
  75 if ($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 $INFO = pageinfo();
 101
 102 // handle debugging
 103 if ($conf['allowdebug'] && $ACT == 'debug') {
 104     html_debug();
 105     exit;
 106 }
 107
 108 //send 404 for missing pages if configured or ID has special meaning to bots
 109 if (!$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)
 117 if ($conf['breadcrumbs']) breadcrumbs();
 118
 119 // check upstream
 120 checkUpdateMessages();
 121
 122 $tmp = []; // No event data
 123 Event::createAndTrigger('DOKUWIKI_STARTED', $tmp);
 124
 125 //close session
 126 session_write_close();
 127
 128 //do the work (picks up what to do from global env)
 129 act_dispatch();
 130
 131 $tmp = []; // No event data
 132 Event::createAndTrigger('DOKUWIKI_DONE', $tmp);
 133
 134 //  xdebug_dump_function_profile(1);