inc/actions.php

   1 <?php
   2
   3 /**
   4  * DokuWiki Actions
   5  *
   6  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
   7  * @author     Andreas Gohr <andi@splitbrain.org>
   8  */
   9
  10 use dokuwiki\ActionRouter;
  11 use dokuwiki\Extension\Event;
  12
  13 /**
  14  * All action processing starts here
  15  */
  16 function act_dispatch()
  17 {
  18     // always initialize on first dispatch (test request may dispatch mutliple times on one request)
  19     $router = ActionRouter::getInstance(true);
  20
  21     $headers = ['Content-Type: text/html; charset=utf-8'];
  22     Event::createAndTrigger('ACTION_HEADERS_SEND', $headers, 'act_sendheaders');
  23
  24     // clear internal variables
  25     unset($router);
  26     unset($headers);
  27     // make all globals available to the template
  28     extract($GLOBALS);
  29
  30     include(template('main.php'));
  31     // output for the commands is now handled in inc/templates.php
  32     // in function tpl_content()
  33 }
  34
  35 /**
  36  * Send the given headers using header()
  37  *
  38  * @param array $headers The headers that shall be sent
  39  */
  40 function act_sendheaders($headers)
  41 {
  42     foreach ($headers as $hdr) header($hdr);
  43 }
  44
  45 /**
  46  * Sanitize the action command
  47  *
  48  * @author Andreas Gohr <andi@splitbrain.org>
  49  *
  50  * @param array|string $act
  51  * @return string
  52  */
  53 function act_clean($act)
  54 {
  55     // check if the action was given as array key
  56     if (is_array($act)) {
  57         [$act] = array_keys($act);
  58     }
  59
  60     // no action given
  61     if ($act === null) return 'show';
  62
  63     //remove all bad chars
  64     $act = strtolower($act);
  65     $act = preg_replace('/[^1-9a-z_]+/', '', $act);
  66
  67     if ($act == 'export_html') $act = 'export_xhtml';
  68     if ($act == 'export_htmlbody') $act = 'export_xhtmlbody';
  69
  70     if ($act === '') $act = 'show';
  71     return $act;
  72 }