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   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 = "52.2";
  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      $pagelog = new \dokuwiki\ChangeLog\PageChangeLog($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(
  83              sprintf(
  84                  $lang['page_nonexist_rev'],
  85                  dformat($DATE_AT),
  86                  wl($ID, array('rev' => $rev_n)),
  87                  dformat($rev_n)
  88              )
  89          );
  90          $REV = $DATE_AT; //will result in a page not exists message
  91      } else {
  92          $REV = $rev_t;
  93      }
  94  }
  95  
  96  //make infos about the selected page available
  97  $INFO = pageinfo();
  98  
  99  // handle debugging
 100  if($conf['allowdebug'] && $ACT == 'debug') {
 101      html_debug();
 102      exit;
 103  }
 104  
 105  //send 404 for missing pages if configured or ID has special meaning to bots
 106  if(!$INFO['exists'] &&
 107      ($conf['send404'] || preg_match('/^(robots\.txt|sitemap\.xml(\.gz)?|favicon\.ico|crossdomain\.xml)$/', $ID)) &&
 108      ($ACT == 'show' || (!is_array($ACT) && substr($ACT, 0, 7) == 'export_'))
 109  ) {
 110      header('HTTP/1.0 404 Not Found');
 111  }
 112  
 113  //prepare breadcrumbs (initialize a static var)
 114  if($conf['breadcrumbs']) breadcrumbs();
 115  
 116  // check upstream
 117  checkUpdateMessages();
 118  
 119  $tmp = array(); // No event data
 120  Event::createAndTrigger('DOKUWIKI_STARTED', $tmp);
 121  
 122  //close session
 123  session_write_close();
 124  
 125  //do the work (picks up what to do from global env)
 126  act_dispatch();
 127  
 128  $tmp = array(); // No event data
 129  Event::createAndTrigger('DOKUWIKI_DONE', $tmp);
 130  
 131  //  xdebug_dump_function_profile(1);