lib/plugins/tag/ajax.php

   1 <?php
   2 /**
   3  * AJAX call handler for tagindex admin plugin
   4  *
   5  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
   6  * @author     Gina Häußge, Michael Klier <dokuwiki@chimeric.de>
   7  * @author     Andreas Gohr <andi@splitbrain.org>
   8  */
   9
  10 //fix for Opera XMLHttpRequests
  11 if(!count($_POST) && $HTTP_RAW_POST_DATA) {
  12         parse_str($HTTP_RAW_POST_DATA, $_POST);
  13 }
  14
  15 if (!defined('DOKU_INC'))
  16     define('DOKU_INC', realpath(dirname(__FILE__) . '/../../../') . '/');
  17
  18 if (!defined('NL'))
  19     define('NL', "\n");
  20
  21 require_once(DOKU_INC.'inc/init.php');
  22 require_once(DOKU_INC.'inc/common.php');
  23 require_once(DOKU_INC.'inc/pageutils.php');
  24 require_once(DOKU_INC.'inc/auth.php');
  25 require_once(DOKU_INC.'inc/search.php');
  26 require_once(DOKU_INC.'inc/indexer.php');
  27
  28 //close session
  29 session_write_close();
  30
  31 header('Content-Type: text/plain; charset=utf-8');
  32
  33 if (!auth_isadmin()) {
  34     die('for admins only');
  35 }
  36
  37 //clear all index files
  38 if (@file_exists($conf['indexdir'].'/page.idx')) { // new word length based index
  39         $tag_idx = $conf['indexdir'].'/topic.idx';
  40 } else {                                          // old index
  41         $tag_idx = $conf['cachedir'].'/topic.idx';
  42 }
  43
  44 $tag_helper =& plugin_load('helper', 'tag');
  45
  46 //call the requested function
  47 $call = 'ajax_'.$_POST['call'];
  48 if(function_exists($call)) {
  49     $call();
  50 }else{
  51     print "The called function '".htmlspecialchars($call)."' does not exist!";
  52 }
  53
  54 /**
  55  * Searches for pages
  56  *
  57  * @author Andreas Gohr <andi@splitbrain.org>
  58  */
  59 function ajax_pagelist() {
  60     global $conf;
  61
  62     $pages = array();
  63     search($pages, $conf['datadir'], 'search_allpages', array());
  64
  65     foreach($pages as $page) {
  66         print $page['id']."\n";
  67     }
  68 }
  69
  70 /**
  71  * Clear all index files
  72  */
  73 function ajax_clearindex() {
  74     global $conf;
  75     global $tag_idx;
  76
  77     // keep running
  78     @ignore_user_abort(true);
  79
  80     // try to aquire a lock
  81     $lock = $conf['lockdir'].'/_tagindexer.lock';
  82     while(!@mkdir($lock)) {
  83         if(time()-@filemtime($lock) > 60*5) {
  84             // looks like a stale lock - remove it
  85             @rmdir($lock);
  86         }else{
  87             print 'tagindexer is locked.';
  88             exit;
  89         }
  90
  91     }
  92
  93     io_saveFile($tag_idx,'');
  94
  95     // we're finished
  96     @rmdir($lock);
  97
  98     print 1;
  99 }
 100
 101 /**
 102  * Index the given page's tags
 103  */
 104 function ajax_indexpage() {
 105     global $conf;
 106     global $tag_helper;
 107
 108     if(!$_POST['page']) {
 109         print 1;
 110         exit;
 111     }
 112
 113     // keep running
 114     @ignore_user_abort(true);
 115
 116     // try to aquire a lock
 117     $lock = $conf['lockdir'].'/_tagindexer.lock';
 118     while(!@mkdir($lock)) {
 119         if(time()-@filemtime($lock) > 60*5) {
 120             // looks like a stale lock - remove it
 121             @rmdir($lock);
 122         }else{
 123             print 'tagindexer is locked.';
 124             exit;
 125         }
 126
 127     }
 128
 129     // do the work
 130     $page = array(
 131         'id' => $_POST['page'],
 132     );
 133
 134     $tag_helper->_generateTagData($page);
 135
 136     // we're finished
 137     @rmdir($lock);
 138
 139     print 1;
 140 }
 141 // vim:ts=4:sw=4:et:enc=utf-8:
 142 ?>