1<?php 2/** 3 * DokuWiki Actions 4 * 5 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 6 * @author Andreas Gohr <andi@splitbrain.org> 7 */ 8 9 if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/'); 10 require_once(DOKU_INC.'inc/template.php'); 11 12 13/** 14 * Call the needed action handlers 15 * 16 * @author Andreas Gohr <andi@splitbrain.org> 17 */ 18function act_dispatch(){ 19 global $INFO; 20 global $ACT; 21 global $ID; 22 global $QUERY; 23 global $lang; 24 global $conf; 25 26 //sanitize $ACT 27 $ACT = act_clean($ACT); 28 29 //check permissions 30 $ACT = act_permcheck($ACT); 31 32 //login stuff 33 if(in_array($ACT,array('login','logout','register'))) 34 $ACT = act_login($ACT); 35 36 //save 37 if($ACT == 'save') 38 $ACT = act_save($ACT); 39 40 //edit 41 if(($ACT == 'edit' || $ACT == 'preview') && $INFO['editable']){ 42 $ACT = act_edit($ACT); 43 }else{ 44 unlock($ID); //try to unlock 45 } 46 47 //handle export 48 if(substr($ACT,0,6) == 'export') 49 $ACT = act_export($ACT); 50 51 //display some infos 52 if($ACT == 'check'){ 53 check(); 54 $ACT = 'show'; 55 } 56 57 //check if searchword was given - else just show 58 if($ACT == 'search' && empty($QUERY)){ 59 $ACT = 'show'; 60 } 61 62 //call template FIXME: all needed vars available? 63 header('Content-Type: text/html; charset=utf-8'); 64 include(DOKU_INC.'tpl/'.$conf['template'].'/main.php'); 65} 66 67/** 68 * Sanitize the action command 69 * 70 * Add all allowed commands here. 71 * 72 * @author Andreas Gohr <andi@splitbrain.org> 73 */ 74function act_clean($act){ 75 global $lang; 76 global $conf; 77 78 if($act == 'register' && !$conf['openregister']) 79 return 'show'; 80 81 if($act == $lang['btn_save']) $act = 'save'; 82 if($act == $lang['btn_preview']) $act = 'preview'; 83 $act = strtolower($act); 84 85 if(!array_search($act,array('login','logout','register','save','edit', 86 'preview','export_raw','export_html', 87 'search','show','check','index','revisions', 88 'diff','recent','backlink',))){ 89 msg('Unknown command: '.htmlspecialchars($act),-1); 90 return 'show'; 91 } 92 return $act; 93} 94 95/** 96 * Run permissionchecks 97 * 98 * @author Andreas Gohr <andi@splitbrain.org> 99 */ 100function act_permcheck($act){ 101 global $INFO; 102 103 if(in_array($act,array('save','preview','edit'))){ 104 if($INFO['exists']){ 105 $permneed = AUTH_EDIT; 106 }else{ 107 $permneed = AUTH_CREATE; 108 } 109 }elseif(in_array($act,array('login','register','search','recent'))){ 110 $permneed = AUTH_NONE; 111 }else{ 112 $permneed = AUTH_READ; 113 } 114 if($INFO['perm'] >= $permneed) return $act; 115 116 return 'denied'; 117} 118 119/** 120 * Handle 'save' 121 * 122 * Checks for spam and conflicts and saves the page. 123 * Does a redirect to show the page afterwards or 124 * returns a new action. 125 * 126 * @author Andreas Gohr <andi@splitbrain.org> 127 */ 128function act_save($act){ 129 global $ID; 130 global $DATE; 131 global $PRE; 132 global $TEXT; 133 global $SUF; 134 global $SUM; 135 136 //spam check 137 if(checkwordblock()) 138 return 'wordblock'; 139 //conflict check //FIXME use INFO 140 if($DATE != 0 && @filemtime(wikiFN($ID)) > $DATE ) 141 return 'conflict'; 142 143 //save it 144 saveWikiText($ID,con($PRE,$TEXT,$SUF,1),$SUM); //use pretty mode for con 145 //unlock it 146 unlock($ID); 147 148 //show it 149 session_write_close(); 150 header("Location: ".wl($ID,'',true)); 151 exit(); 152} 153 154/** 155 * Handle 'login', 'logout', 'register' 156 * 157 * @author Andreas Gohr <andi@splitbrain.org> 158 */ 159function act_auth($act){ 160 //already logged in? 161 if($_SERVER['REMOTE_USER'] && $act=='login') 162 return 'show'; 163 164 //handle logout 165 if($act=='logout'){ 166 auth_logoff(); 167 return 'login'; 168 } 169 170 //handle register 171 if($act=='register' && register()){ 172 $act='login'; 173 } 174 175 return $act; 176} 177 178/** 179 * Handle 'edit', 'preview' 180 * 181 * @author Andreas Gohr <andi@splitbrain.org> 182 */ 183function act_edit($act){ 184 //check if locked by anyone - if not lock for my self 185 $lockedby = checklock($ID); 186 if($lockedby) return 'locked'; 187 188 lock($ID); 189 return $act; 190} 191 192/** 193 * Handle 'edit', 'preview' 194 * 195 * @author Andreas Gohr <andi@splitbrain.org> 196 */ 197function act_export($act){ 198 global $ID; 199 global $REV; 200 201 if($act == 'export_html'){ 202 header('Content-Type: text/html; charset=utf-8'); 203 ptln('<html>'); 204 ptln('<head>'); 205 tpl_metaheaders(); 206 ptln('</head>'); 207 ptln('<body>'); 208 print parsedWiki($ID,$REV,false); 209 ptln('</body>'); 210 ptln('</html>'); 211 exit; 212 } 213 214 if($act == 'export_raw'){ 215 header('Content-Type: text/plain; charset=utf-8'); 216 print rawWiki($ID,$REV); 217 exit; 218 } 219 220 return 'show'; 221} 222?> 223