check for auth object at certain functions

This is a follow up on the previous patch to disable authtentication without
disabling ACL on backend problems. It fixes a few errors that might occour
in this rare situation.

darcs-hash:20070627194910-7ad00-de5ac10e0d36ecf8906c080e1d3dc1b2fd85b45d.gz

3 files changed, 9 insertions, 9 deletions

diff --git a/inc/html.php b/inc/html.php
index 42457670b..7c7d78ee7 100644
--- a/inc/html.php
+++ b/inc/html.php
@@ -82,14 +82,14 @@ function html_login(){
       </fieldset>
     </form>
   <?php
-    if($auth->canDo('addUser') && actionOK('register')){
+    if($auth && $auth->canDo('addUser') && actionOK('register')){
       print '<p>';
       print $lang['reghere'];
       print ': <a href="'.wl($ID,'do=register').'" rel="nofollow" class="wikilink1">'.$lang['register'].'</a>';
       print '</p>';
     }
 
-    if ($auth->canDo('modPass') && actionOK('resendpwd')) {
+    if ($auth && $auth->canDo('modPass') && actionOK('resendpwd')) {
       print '<p>';
       print $lang['pwdforget'];
       print ': <a href="'.wl($ID,'do=resendpwd').'" rel="nofollow" class="wikilink1">'.$lang['btn_resendpwd'].'</a>';
diff --git a/inc/infoutils.php b/inc/infoutils.php
index 255b49ed4..6da344d81 100644
--- a/inc/infoutils.php
+++ b/inc/infoutils.php
@@ -168,7 +168,7 @@ function check(){
     global $auth;
     msg('You are currently logged in as '.$_SESSION[DOKU_COOKIE]['auth']['user'].' ('.$INFO['userinfo']['name'].')',0);
 
-    $info = $auth->getUserData($_SESSION[DOKU_COOKIE]['auth']['user']);
+    if($auth) $info = $auth->getUserData($_SESSION[DOKU_COOKIE]['auth']['user']);
     msg('You are part of the groups '.implode($info['grps'],', '),0);
   }else{
     msg('You are currently not logged in',0);
diff --git a/inc/template.php b/inc/template.php
index 3bf9be114..c941a64f4 100644
--- a/inc/template.php
+++ b/inc/template.php
@@ -435,7 +435,7 @@ function tpl_button($type){
       print html_topbtn();
       return true;
     case 'login':
-      if($conf['useacl']){
+      if($conf['useacl'] && $auth){
         if($_SERVER['REMOTE_USER']){
           print html_btn('logout',$ID,'',array('do' => 'logout',));
         }else{
@@ -451,7 +451,7 @@ function tpl_button($type){
       }
       return false;
     case 'subscription':
-      if($conf['useacl'] && $ACT == 'show' && $conf['subscribers'] == 1){
+      if($conf['useacl'] && $auth && $ACT == 'show' && $conf['subscribers'] == 1){
         if($_SERVER['REMOTE_USER']){
           if($INFO['subscribed']){
             print html_btn('unsubscribe',$ID,'',array('do' => 'unsubscribe',));
@@ -466,7 +466,7 @@ function tpl_button($type){
       print html_btn('backlink',$ID,'',array('do' => 'backlink'));
       return true;
     case 'profile':
-      if($conf['useacl'] && $_SERVER['REMOTE_USER'] &&
+      if($conf['useacl'] && $_SERVER['REMOTE_USER'] && $auth &&
          $auth->canDo('Profile') && ($ACT!='profile')){
         print html_btn('profile',$ID,'',array('do' => 'profile'));
         return true;
@@ -564,7 +564,7 @@ function tpl_actionlink($type,$pre='',$suf=''){
       }
       return false;
     case 'login':
-      if($conf['useacl']){
+      if($conf['useacl'] && $auth){
         if($_SERVER['REMOTE_USER']){
           tpl_link(wl($ID,'do=logout'),$pre.$lang['btn_logout'].$suf,'class="action logout" rel="nofollow"');
         }else{
@@ -581,7 +581,7 @@ function tpl_actionlink($type,$pre='',$suf=''){
       return false;
    case 'subscribe':
    case 'subscription':
-      if($conf['useacl'] && $ACT == 'show' && $conf['subscribers'] == 1){
+      if($conf['useacl'] && $auth && $ACT == 'show' && $conf['subscribers'] == 1){
         if($_SERVER['REMOTE_USER']){
           if($INFO['subscribed']) {
             tpl_link(wl($ID,'do=unsubscribe'),$pre.$lang['btn_unsubscribe'].$suf,'class="action unsubscribe" rel="nofollow"');
@@ -596,7 +596,7 @@ function tpl_actionlink($type,$pre='',$suf=''){
       tpl_link(wl($ID,'do=backlink'),$pre.$lang['btn_backlink'].$suf, 'class="action backlink" rel="nofollow"');
       return true;
     case 'profile':
-      if($conf['useacl'] && $_SERVER['REMOTE_USER'] &&
+      if($conf['useacl'] && $auth && $_SERVER['REMOTE_USER'] &&
          $auth->canDo('Profile') && ($ACT!='profile')){
         tpl_link(wl($ID,'do=profile'),$pre.$lang['btn_profile'].$suf, 'class="action profile" rel="nofollow"');
         return true;