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 $updateVersion = "50";
  13
  14 //  xdebug_start_profiling();
  15
  16 if(!defined('DOKU_INC')) define('DOKU_INC', dirname(__FILE__).'/');
  17
  18 // define all DokuWiki globals here (needed within test requests but also helps to keep track)
  19 global  $ACT,  $INPUT, $QUERY, $ID, $REV, $DATE_AT, $IDX,
  20         $DATE, $RANGE, $HIGH, $TEXT, $PRE, $SUF, $SUM, $INFO, $JSINFO;
  21
  22
  23 if(isset($_SERVER['HTTP_X_DOKUWIKI_DO'])) {
  24     $ACT = trim(strtolower($_SERVER['HTTP_X_DOKUWIKI_DO']));
  25 } elseif(!empty($_REQUEST['idx'])) {
  26     $ACT = 'index';
  27 } elseif(isset($_REQUEST['do'])) {
  28     $ACT = $_REQUEST['do'];
  29 } else {
  30     $ACT = 'show';
  31 }
  32
  33 // load and initialize the core system
  34 require_once(DOKU_INC.'inc/init.php');
  35
  36 //import variables
  37 $INPUT->set('id', str_replace("\xC2\xAD", '', $INPUT->str('id'))); //soft-hyphen
  38 $QUERY          = trim($INPUT->str('id'));
  39 $ID             = getID();
  40
  41 $REV   = $INPUT->int('rev');
  42 $DATE_AT = $INPUT->str('at');
  43 $IDX   = $INPUT->str('idx');
  44 $DATE  = $INPUT->int('date');
  45 $RANGE = $INPUT->str('range');
  46 $HIGH  = $INPUT->param('s');
  47 if(empty($HIGH)) $HIGH = getGoogleQuery();
  48
  49 if($INPUT->post->has('wikitext')) {
  50     $TEXT = cleanText($INPUT->post->str('wikitext'));
  51 }
  52 $PRE = cleanText(substr($INPUT->post->str('prefix'), 0, -1));
  53 $SUF = cleanText($INPUT->post->str('suffix'));
  54 $SUM = $INPUT->post->str('summary');
  55
  56
  57 //parse DATE_AT
  58 if($DATE_AT) {
  59     $date_parse = strtotime($DATE_AT);
  60     if($date_parse) {
  61         $DATE_AT = $date_parse;
  62     } else { // check for UNIX Timestamp
  63         $date_parse = @date('Ymd',$DATE_AT);
  64         if(!$date_parse || $date_parse === '19700101') {
  65             msg(sprintf($lang['unable_to_parse_date'], hsc($DATE_AT)));
  66             $DATE_AT = null;
  67         }
  68     }
  69 }
  70
  71 //check for existing $REV related to $DATE_AT
  72 if($DATE_AT) {
  73     $pagelog = new PageChangeLog($ID);
  74     $rev_t = $pagelog->getLastRevisionAt($DATE_AT);
  75     if($rev_t === '') { //current revision
  76         $REV = null;
  77         $DATE_AT = null;
  78     } else if ($rev_t === false) { //page did not exist
  79         $rev_n = $pagelog->getRelativeRevision($DATE_AT,+1);
  80         msg(sprintf($lang['page_nonexist_rev'],
  81             strftime($conf['dformat'],$DATE_AT),
  82             wl($ID, array('rev' => $rev_n)),
  83             strftime($conf['dformat'],$rev_n)));
  84         $REV = $DATE_AT; //will result in a page not exists message
  85     } else {
  86         $REV = $rev_t;
  87     }
  88 }
  89
  90 //make infos about the selected page available
  91 $INFO = pageinfo();
  92
  93 //export minimal info to JS, plugins can add more
  94 $JSINFO['id']        = $ID;
  95 $JSINFO['namespace'] = (string) $INFO['namespace'];
  96
  97 // handle debugging
  98 if($conf['allowdebug'] && $ACT == 'debug') {
  99     html_debug();
 100     exit;
 101 }
 102
 103 //send 404 for missing pages if configured or ID has special meaning to bots
 104 if(!$INFO['exists'] &&
 105     ($conf['send404'] || preg_match('/^(robots\.txt|sitemap\.xml(\.gz)?|favicon\.ico|crossdomain\.xml)$/', $ID)) &&
 106     ($ACT == 'show' || (!is_array($ACT) && substr($ACT, 0, 7) == 'export_'))
 107 ) {
 108     header('HTTP/1.0 404 Not Found');
 109 }
 110
 111 //prepare breadcrumbs (initialize a static var)
 112 if($conf['breadcrumbs']) breadcrumbs();
 113
 114 // check upstream
 115 checkUpdateMessages();
 116
 117 $tmp = array(); // No event data
 118 trigger_event('DOKUWIKI_STARTED', $tmp);
 119
 120 //close session
 121 session_write_close();
 122
 123 //do the work (picks up what to do from global env)
 124 act_dispatch();
 125
 126 $tmp = array(); // No event data
 127 trigger_event('DOKUWIKI_DONE', $tmp);
 128
 129 //  xdebug_dump_function_profile(1);