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   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($ACT) && str_starts_with($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);