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|
<?php
/**
* DokuWiki Actions
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <andi@splitbrain.org>
*/
if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
require_once(DOKU_INC.'inc/template.php');
/**
* Call the needed action handlers
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function act_dispatch(){
global $INFO;
global $ACT;
global $ID;
global $QUERY;
global $lang;
global $conf;
//sanitize $ACT
$ACT = act_clean($ACT);
//check permissions
$ACT = act_permcheck($ACT);
//login stuff
if(in_array($ACT,array('login','logout','register')))
$ACT = act_auth($ACT);
//save
if($ACT == 'save')
$ACT = act_save($ACT);
//edit
if(($ACT == 'edit' || $ACT == 'preview') && $INFO['editable']){
$ACT = act_edit($ACT);
}else{
unlock($ID); //try to unlock
}
//handle export
if(substr($ACT,0,7) == 'export_')
$ACT = act_export($ACT);
//display some infos
if($ACT == 'check'){
check();
$ACT = 'show';
}
//check if searchword was given - else just show
if($ACT == 'search' && empty($QUERY)){
$ACT = 'show';
}
//handle admin tasks
if($ACT == 'admin'){
if($_REQUEST['page'] == 'acl'){
require_once(DOKU_INC.'inc/admin_acl.php');
admin_acl_handler();
}
}
//call template FIXME: all needed vars available?
header('Content-Type: text/html; charset=utf-8');
include(DOKU_INC.'tpl/'.$conf['template'].'/main.php');
// output for the commands is now handled in inc/templates.php
// in function tpl_content()
}
/**
* Sanitize the action command
*
* Add all allowed commands here.
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function act_clean($act){
global $lang;
//handle localized buttons
if($act == $lang['btn_save']) $act = 'save';
if($act == $lang['btn_preview']) $act = 'preview';
if($act == $lang['btn_cancel']) $act = 'show';
//remove all bad chars
$act = strtolower($act);
$act = preg_replace('/[^a-z_]+/','',$act);
if($act == 'export_html') $act = 'export_xhtml';
if(array_search($act,array('login','logout','register','save','edit',
'preview','search','show','check','index','revisions',
'diff','recent','backlink','admin',)) === false
&& substr($act,0,7) != 'export_' ) {
msg('Unknown command: '.htmlspecialchars($act),-1);
return 'show';
}
return $act;
}
/**
* Run permissionchecks
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function act_permcheck($act){
global $INFO;
global $conf;
if(in_array($act,array('save','preview','edit'))){
if($INFO['exists']){
$permneed = AUTH_EDIT;
}else{
$permneed = AUTH_CREATE;
}
}elseif(in_array($act,array('login','search','recent'))){
$permneed = AUTH_NONE;
}elseif($act == 'register'){
if ($conf['openregister']){
$permneed = AUTH_NONE;
}else{
$permneed = AUTH_ADMIN;
}
}elseif($act == 'admin'){
$permneed = AUTH_ADMIN;
}else{
$permneed = AUTH_READ;
}
if($INFO['perm'] >= $permneed) return $act;
return 'denied';
}
/**
* Handle 'save'
*
* Checks for spam and conflicts and saves the page.
* Does a redirect to show the page afterwards or
* returns a new action.
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function act_save($act){
global $ID;
global $DATE;
global $PRE;
global $TEXT;
global $SUF;
global $SUM;
//spam check
if(checkwordblock())
return 'wordblock';
//conflict check //FIXME use INFO
if($DATE != 0 && @filemtime(wikiFN($ID)) > $DATE )
return 'conflict';
//save it
saveWikiText($ID,con($PRE,$TEXT,$SUF,1),$SUM); //use pretty mode for con
//unlock it
unlock($ID);
//show it
session_write_close();
header("Location: ".wl($ID,'',true));
exit();
}
/**
* Handle 'login', 'logout', 'register'
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function act_auth($act){
//already logged in?
if($_SERVER['REMOTE_USER'] && $act=='login')
return 'show';
//handle logout
if($act=='logout'){
auth_logoff();
return 'login';
}
//handle register
if($act=='register' && register()){
return 'login';
}
return $act;
}
/**
* Handle 'edit', 'preview'
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function act_edit($act){
global $ID;
//check if locked by anyone - if not lock for my self
$lockedby = checklock($ID);
if($lockedby) return 'locked';
lock($ID);
return $act;
}
/**
* Handle 'edit', 'preview'
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function act_export($act){
global $ID;
global $REV;
// no renderer for this
if($act == 'export_raw'){
header('Content-Type: text/plain; charset=utf-8');
print rawWiki($ID,$REV);
exit;
}
// html export #FIXME what about the template's style?
if($act == 'export_xhtml'){
header('Content-Type: text/html; charset=utf-8');
ptln('<html>');
ptln('<head>');
tpl_metaheaders();
ptln('</head>');
ptln('<body>');
print p_wiki_xhtml($ID,$REV,false);
ptln('</body>');
ptln('</html>');
exit;
}
// try to run renderer #FIXME use cached instructions
$mode = substr($act,7);
$text = p_render($mode,p_get_instructions(rawWiki($ID,$REV)),$info);
if(!is_null($text)){
print $text;
exit;
}
return 'show';
}
//Setup VIM: ex: et ts=2 enc=utf-8 :
|
