1<?php 2 3namespace dokuwiki\Action; 4 5use dokuwiki\Action\Exception\ActionAbort; 6use dokuwiki\Extension\Event; 7 8/** 9 * Class Redirect 10 * 11 * Used to redirect to the current page with the last edited section as a target if found 12 * 13 * @package dokuwiki\Action 14 */ 15class Redirect extends AbstractAliasAction { 16 17 /** 18 * Redirect to the show action, trying to jump to the previously edited section 19 * 20 * @triggers ACTION_SHOW_REDIRECT 21 * @throws ActionAbort 22 */ 23 public function preProcess() { 24 global $PRE; 25 global $TEXT; 26 global $INPUT; 27 global $ID; 28 global $ACT; 29 30 $opts = ['id' => $ID, 'preact' => $ACT]; 31 //get section name when coming from section edit 32 if ($INPUT->has('hid')) { 33 // Use explicitly transmitted header id 34 $opts['fragment'] = $INPUT->str('hid'); 35 } elseif ($PRE && preg_match('/^\s*==+([^=\n]+)/', $TEXT, $match)) { 36 // Fallback to old mechanism 37 $check = false; //Byref 38 $opts['fragment'] = sectionID($match[0], $check); 39 } 40 41 // execute the redirect 42 Event::createAndTrigger('ACTION_SHOW_REDIRECT', $opts, [$this, 'redirect']); 43 44 // should never be reached 45 throw new ActionAbort('show'); 46 } 47 48 /** 49 * Execute the redirect 50 * 51 * Default action for ACTION_SHOW_REDIRECT 52 * 53 * @param array $opts id and fragment for the redirect and the preact 54 */ 55 public function redirect($opts) { 56 $go = wl($opts['id'], '', true, '&'); 57 if(isset($opts['fragment'])) $go .= '#' . $opts['fragment']; 58 59 //show it 60 send_redirect($go); 61 } 62} 63