]> git.mxchange.org Git - friendica.git/blobdiff - mod/admin.php
Merge branch 'master', remote-tracking branch 'remotes/upstream/master'
[friendica.git] / mod / admin.php
old mode 100644 (file)
new mode 100755 (executable)
index 9a92f4e..93714bb
@@ -1,21 +1,24 @@
 <?php
+
  /**
-  * Friendika admin
+  * Friendica admin
   */
-  
+require_once("include/remoteupdate.php");
  
-function admin_init(&$a) {
+function admin_post(&$a){
+
+
        if(!is_site_admin()) {
-               notice( t('Permission denied.') . EOL);
                return;
        }
-}
 
-function admin_post(&$a){
-       if(!is_site_admin()) {
-               return login(false);
-       }
+       // do not allow a page manager to access the admin panel at all.
+
+       if(x($_SESSION,'submanage') && intval($_SESSION['submanage']))
+               return;
        
+
+
        // urls
        if ($a->argc > 1){
                switch ($a->argv[1]){
@@ -35,11 +38,14 @@ function admin_post(&$a){
                                                }
                                }
                                goaway($a->get_baseurl() . '/admin/plugins/' . $a->argv[2] );
-                               return; // NOTREACHED                                                   
+                               return; // NOTREACHED
                                break;
                        case 'logs':
                                admin_page_logs_post($a);
                                break;
+                       case 'update':
+                               admin_page_remoteupdate_post($a);
+                               break;
                }
        }
 
@@ -53,6 +59,9 @@ function admin_content(&$a) {
                return login(false);
        }
 
+       if(x($_SESSION,'submanage') && intval($_SESSION['submanage']))
+               return;
+
        /**
         * Side bar links
         */
@@ -61,7 +70,9 @@ function admin_content(&$a) {
        $aside = Array(
                'site'   =>     Array($a->get_baseurl()."/admin/site/", t("Site") , "site"),
                'users'  =>     Array($a->get_baseurl()."/admin/users/", t("Users") , "users"),
-               'plugins'=>     Array($a->get_baseurl()."/admin/plugins/", t("Plugins") , "plugins")
+               'plugins'=>     Array($a->get_baseurl()."/admin/plugins/", t("Plugins") , "plugins"),
+               'themes' =>     Array($a->get_baseurl()."/admin/themes/", t("Themes") , "themes"),
+               'update' =>     Array($a->get_baseurl()."/admin/update/", t("Update") , "update")
        );
        
        /* get plugins admin page */
@@ -80,7 +91,7 @@ function admin_content(&$a) {
        $t = get_markup_template("admin_aside.tpl");
        $a->page['aside'] = replace_macros( $t, array(
                        '$admin' => $aside, 
-                       '$h_pending' => t('User registrations waiting for confirm'),
+                       '$h_pending' => t('User registrations waiting for confirmation'),
                        '$admurl'=> $a->get_baseurl()."/admin/"
        ));
 
@@ -103,9 +114,15 @@ function admin_content(&$a) {
                        case 'plugins':
                                $o = admin_page_plugins($a);
                                break;
+                       case 'themes':
+                               $o = admin_page_themes($a);
+                               break;
                        case 'logs':
                                $o = admin_page_logs($a);
-                               break;                          
+                               break;
+                       case 'update':
+                               $o = admin_page_remoteupdate($a);
+                               break;
                        default:
                                notice( t("Item not found.") );
                }
@@ -128,9 +145,10 @@ function admin_page_summary(&$a) {
                Array( t('Automatic Friend Account'), 0)
        );
        $users=0;
-       foreach ($r as $u){ $accounts[$u['page-flags']][1] = $u['count']; $users+=$u['count']; }
+       foreach ($r as $u){ $accounts[$u['page-flags']][1] = $u['count']; $users+= $u['count']; }
+
+       logger('accounts: ' . print_r($accounts,true));
 
-       
        $r = q("SELECT COUNT(id) as `count` FROM `register`");
        $pending = $r[0]['count'];
        
@@ -145,7 +163,7 @@ function admin_page_summary(&$a) {
                '$users' => Array( t('Registered users'), $users),
                '$accounts' => $accounts,
                '$pending' => Array( t('Pending registrations'), $pending),
-               '$version' => Array( t('Version'), FRIENDIKA_VERSION),
+               '$version' => Array( t('Version'), FRIENDICA_VERSION),
                '$build' =>  get_config('system','build'),
                '$plugins' => Array( t('Active plugins'), $a->plugins )
        ));
@@ -169,6 +187,8 @@ function admin_page_site_post(&$a){
        
        
        $register_policy        =       ((x($_POST,'register_policy'))  ? intval(trim($_POST['register_policy']))       :  0);
+       $abandon_days       =   ((x($_POST,'abandon_days'))         ? intval(trim($_POST['abandon_days']))          :  0);
+
        $register_text          =       ((x($_POST,'register_text'))    ? notags(trim($_POST['register_text']))         : '');  
        
        $allowed_sites          =       ((x($_POST,'allowed_sites'))    ? notags(trim($_POST['allowed_sites']))         : '');
@@ -176,16 +196,20 @@ function admin_page_site_post(&$a){
        $block_public           =       ((x($_POST,'block_public'))             ? True  :       False);
        $force_publish          =       ((x($_POST,'publish_all'))              ? True  :       False);
        $global_directory       =       ((x($_POST,'directory_submit_url'))     ? notags(trim($_POST['directory_submit_url']))  : '');
-       $global_search_url      =       ((x($_POST,'directory_search_url'))? notags(trim($_POST['directory_search_url']))       : '');
        $no_multi_reg           =       ((x($_POST,'no_multi_reg'))             ? True  :       False);
        $no_openid                      =       !((x($_POST,'no_openid'))               ? True  :       False);
        $no_gravatar            =       !((x($_POST,'no_gravatar'))             ? True  :       False);
        $no_regfullname         =       !((x($_POST,'no_regfullname'))  ? True  :       False);
        $no_utf                         =       !((x($_POST,'no_utf'))                  ? True  :       False);
+       $no_community_page      =       !((x($_POST,'no_community_page'))       ? True  :       False);
+
        $verifyssl                      =       ((x($_POST,'verifyssl'))                ? True  :       False);
-       $proxyuser                      =       ((x($_POST,'proxyuser'))                ? notags(trim($_POST['global_search_url']))     : '');
-       $proxy                          =       ((x($_POST,'proxy'))                    ? notags(trim($_POST['global_search_url']))     : '');
+       $proxyuser                      =       ((x($_POST,'proxyuser'))                ? notags(trim($_POST['proxyuser']))     : '');
+       $proxy                          =       ((x($_POST,'proxy'))                    ? notags(trim($_POST['proxy'])) : '');
        $timeout                        =       ((x($_POST,'timeout'))                  ? intval(trim($_POST['timeout']))               : 60);
+       $dfrn_only          =   ((x($_POST,'dfrn_only'))            ? True      :       False);
+    $ostatus_disabled   =   !((x($_POST,'ostatus_disabled')) ? True  :   False);
+       $diaspora_enabled   =   ((x($_POST,'diaspora_enabled')) ? True   :  False);
 
 
        set_config('config','sitename',$sitename);
@@ -203,6 +227,7 @@ function admin_page_site_post(&$a){
        set_config('system','maximagesize', $maximagesize);
        
        set_config('config','register_policy', $register_policy);
+       set_config('system','account_abandon_days', $abandon_days);
        set_config('config','register_text', $register_text);
        set_config('system','allowed_sites', $allowed_sites);
        set_config('system','allowed_email', $allowed_email);
@@ -222,12 +247,15 @@ function admin_page_site_post(&$a){
        set_config('system','no_openid', $no_openid);
        set_config('system','no_gravatar', $no_gravatar);
        set_config('system','no_regfullname', $no_regfullname);
-       set_config('system','proxy', $no_utf);
+       set_config('system','no_community_page', $no_community_page);
+       set_config('system','no_utf', $no_utf);
        set_config('system','verifyssl', $verifyssl);
        set_config('system','proxyuser', $proxyuser);
        set_config('system','proxy', $proxy);
        set_config('system','curl_timeout', $timeout);
-
+       set_config('system','dfrn_only', $dfrn_only);
+       set_config('system','ostatus_disabled', $ostatus_disabled);
+       set_config('system','diaspora_enabled', $diaspora_enabled);
 
        info( t('Site settings updated.') . EOL);
        goaway($a->get_baseurl() . '/admin/site' );
@@ -266,14 +294,15 @@ function admin_page_site(&$a) {
        /* Banner */
        $banner = get_config('system','banner');
        if($banner == false) 
-               $banner = htmlspecialchars('<a href="http://project.friendika.com"><img id="logo-img" src="images/friendika-32.png" alt="logo" /></a><span id="logo-text"><a href="http://project.friendika.com">Friendika</a></span>');
+               $banner = '<a href="http://friendica.com"><img id="logo-img" src="images/friendica-32.png" alt="logo" /></a><span id="logo-text"><a href="http://friendica.com">Friendica</a></span>';
+       $banner = htmlspecialchars($banner);
        
        //echo "<pre>"; var_dump($lang_choices); die("</pre>");
 
        /* Register policy */
        $register_choices = Array(
                REGISTER_CLOSED => t("Closed"),
-               REGISTER_APPROVE => t("Need approvation"),
+               REGISTER_APPROVE => t("Requires approval"),
                REGISTER_OPEN => t("Open")
        ); 
        
@@ -284,38 +313,40 @@ function admin_page_site(&$a) {
                '$submit' => t('Submit'),
                '$registration' => t('Registration'),
                '$upload' => t('File upload'),
-               '$corporate' => t('Corporate/Edu'),
+               '$corporate' => t('Policies'),
                '$advanced' => t('Advanced'),
                
                '$baseurl' => $a->get_baseurl(),
                                                                        // name, label, value, help string, extra data...
-               '$sitename'             => array('sitename', t("Site name"), $a->config['sitename'], ""),
+               '$sitename'             => array('sitename', t("Site name"), htmlentities($a->config['sitename'], ENT_QUOTES), ""),
                '$banner'                       => array('banner', t("Banner/Logo"), $banner, ""),
                '$language'             => array('language', t("System language"), get_config('system','language'), "", $lang_choices),
-               '$theme'                        => array('theme', t("System theme"), get_config('system','theme'), "Default system theme (which may be over-ridden by user profiles)", $theme_choices),
+               '$theme'                        => array('theme', t("System theme"), get_config('system','theme'), t("Default system theme - may be over-ridden by user profiles"), $theme_choices),
 
-               '$maximagesize'         => array('maximagesize', t("Maximum image size"), get_config('system','maximagesize'), "Maximum size in bytes of uploaded images. Default is 0, which means no limits."),
+               '$maximagesize'         => array('maximagesize', t("Maximum image size"), get_config('system','maximagesize'), t("Maximum size in bytes of uploaded images. Default is 0, which means no limits.")),
 
                '$register_policy'      => array('register_policy', t("Register policy"), $a->config['register_policy'], "", $register_choices),
-               '$register_text'        => array('register_text', t("Register text"), $a->config['register_text'], "Will be displayed prominently on the registration page."),
-               '$allowed_sites'        => array('allowed_sites', t("Allowed friend domains"), get_config('system','allowed_sites'), "Comma separated list of domains which are allowed to establish friendships with this site. Wildcards are accepted. Empty to allow any domains"),
-               '$allowed_email'        => array('allowed_email', t("Allowed email domains"), get_config('system','allowed_email'), "Comma separated list of domains which are allowed in email addresses for registrations to this site. Wildcards are accepted. Empty to allow any domains"),
-               '$block_public'         => array('block_public', t("Block public"), get_config('system','block_public'), "Check to block public access to all otherwise public personal pages on this site unless you are currently logged in."),
-               '$force_publish'        => array('publish_all', t("Force publish"), get_config('system','publish_all'), "Check to force all profiles on this site to be listed in the site directory."),
-               '$global_directory'     => array('directory_submit_url', t("Global directory update URL"), get_config('system','directory_submit_url'), "URL to update the global directory. If this is not set, the global directory is completely unavailable to the application."),
-               '$global_search_url'=> array('directory_search_url', t("Global directory search URL"), get_config('system','directory_search_url'), ""),
+               '$register_text'        => array('register_text', t("Register text"), htmlentities($a->config['register_text'], ENT_QUOTES), t("Will be displayed prominently on the registration page.")),
+               '$abandon_days'     => array('abandon_days', t('Accounts abandoned after x days'), get_config('system','account_abandon_days'), t('Will not waste system resources polling external sites for abandonded accounts. Enter 0 for no time limit.')),
+               '$allowed_sites'        => array('allowed_sites', t("Allowed friend domains"), get_config('system','allowed_sites'), t("Comma separated list of domains which are allowed to establish friendships with this site. Wildcards are accepted. Empty to allow any domains")),
+               '$allowed_email'        => array('allowed_email', t("Allowed email domains"), get_config('system','allowed_email'), t("Comma separated list of domains which are allowed in email addresses for registrations to this site. Wildcards are accepted. Empty to allow any domains")),
+               '$block_public'         => array('block_public', t("Block public"), get_config('system','block_public'), t("Check to block public access to all otherwise public personal pages on this site unless you are currently logged in.")),
+               '$force_publish'        => array('publish_all', t("Force publish"), get_config('system','publish_all'), t("Check to force all profiles on this site to be listed in the site directory.")),
+               '$global_directory'     => array('directory_submit_url', t("Global directory update URL"), get_config('system','directory_submit_url'), t("URL to update the global directory. If this is not set, the global directory is completely unavailable to the application.")),
                        
-                       
-               '$no_multi_reg'         => array('no_multi_reg', t("Block multiple registrations"),  get_config('system','block_extended_register'), "Disallow users to register additional accounts for use as pages."),
-               '$no_openid'            => array('no_openid', t("OpenID support"), !get_config('system','no_openid'), "OpenID support for registration and logins."),
-               '$no_gravatar'          => array('no_gravatar', t("Gravatar support"), !get_config('system','no_gravatar'), "Search new user's photo on Gravatar."),
-               '$no_regfullname'       => array('no_regfullname', t("Fullname check"), !get_config('system','no_regfullname'), "Force users to registrate with a space between his firsname and lastname in Full name, as an antispam measure"),
-               '$no_utf'                       => array('no_utf', t("UTF-8 Regular expressions"), !get_config('system','proxy'), "Use PHP UTF8 regular expressions"),
-                       
-               '$verifyssl'            => array('verifyssl', t("Verify SSL"), get_config('system','verifyssl'), "If you wish, you can turn on strict certificate checking. This will mean you cannot connect (at all) to self-signed SSL sites."),
+               '$no_multi_reg'         => array('no_multi_reg', t("Block multiple registrations"),  get_config('system','block_extended_register'), t("Disallow users to register additional accounts for use as pages.")),
+               '$no_openid'            => array('no_openid', t("OpenID support"), !get_config('system','no_openid'), t("OpenID support for registration and logins.")),
+               '$no_gravatar'          => array('no_gravatar', t("Gravatar support"), !get_config('system','no_gravatar'), t("Search new user's photo on Gravatar.")),
+               '$no_regfullname'       => array('no_regfullname', t("Fullname check"), !get_config('system','no_regfullname'), t("Force users to register with a space between firstname and lastname in Full name, as an antispam measure")),
+               '$no_utf'                       => array('no_utf', t("UTF-8 Regular expressions"), !get_config('system','no_utf'), t("Use PHP UTF8 regular expressions")),
+               '$no_community_page' => array('no_community_page', t("Show Community Page"), !get_config('system','no_community_page'), t("Display a Community page showing all recent public postings on this site.")),
+               '$ostatus_disabled' => array('ostatus_disabled', t("Enable OStatus support"), !get_config('system','ostatus_disable'), t("Provide built-in OStatus \x28identi.ca, status.net, etc.\x29 compatibility. All communications in OStatus are public, so privacy warnings will be occasionally displayed.")), 
+               '$diaspora_enabled' => array('diaspora_enabled', t("Enable Diaspora support"), get_config('system','diaspora_enabled'), t("Provide built-in Diaspora network compatibility.")), 
+               '$dfrn_only'        => array('dfrn_only', t('Only allow Friendica contacts'), get_config('system','dfrn_only'), t("All contacts must use Friendica protocols. All other built-in communication protocols disabled.")),
+               '$verifyssl'            => array('verifyssl', t("Verify SSL"), get_config('system','verifyssl'), t("If you wish, you can turn on strict certificate checking. This will mean you cannot connect (at all) to self-signed SSL sites.")),
                '$proxyuser'            => array('proxyuser', t("Proxy user"), get_config('system','proxyuser'), ""),
                '$proxy'                        => array('proxy', t("Proxy URL"), get_config('system','proxy'), ""),
-               '$timeout'                      => array('timeout', t("Network timeout"), (x(get_config('system','curl_timeout'))?get_config('system','curl_timeout'):60), "Value is in seconds. Set to 0 for unlimited (not recommended)."),
+               '$timeout'                      => array('timeout', t("Network timeout"), (x(get_config('system','curl_timeout'))?get_config('system','curl_timeout'):60), t("Value is in seconds. Set to 0 for unlimited (not recommended).")),
 
                        
        ));
@@ -327,7 +358,7 @@ function admin_page_site(&$a) {
  * Users admin page
  */
 function admin_page_users_post(&$a){
-       $pending = ( x(£_POST, 'pending') ? $_POST['pending'] : Array() );
+       $pending = ( x($_POST, 'pending') ? $_POST['pending'] : Array() );
        $users = ( x($_POST, 'user') ? $_POST['user'] : Array() );
        
        if (x($_POST,'page_users_block')){
@@ -336,7 +367,7 @@ function admin_page_users_post(&$a){
                                intval( $uid )
                        );
                }
-               notice( sprintf( tt("%s user blocked", "%s users blocked/unblocked", count($users)), count($users)) );
+               notice( sprintf( tt("%s user blocked/unblocked", "%s users blocked/unblocked", count($users)), count($users)) );
        }
        if (x($_POST,'page_users_delete')){
                require_once("include/Contact.php");
@@ -398,6 +429,7 @@ function admin_page_users(&$a){
                                 LEFT JOIN `contact` ON `register`.`uid` = `contact`.`uid`
                                 LEFT JOIN `user` ON `register`.`uid` = `user`.`uid`;");
        
+       
        /* get users */
 
        $total = q("SELECT count(*) as total FROM `user` where 1");
@@ -405,12 +437,20 @@ function admin_page_users(&$a){
                $a->set_pager_total($total[0]['total']);
                $a->set_pager_itemspage(100);
        }
-
-       $users = q("SELECT `user` . * , `contact`.`name` , `contact`.`url` , `contact`.`micro` 
-                               FROM `user`
-                               LEFT JOIN `contact` ON `user`.`uid` = `contact`.`uid`
-                               WHERE `user`.`verified` =1
-                               AND `contact`.`self` =1
+       
+       
+       $users = q("SELECT `user` . * , `contact`.`name` , `contact`.`url` , `contact`.`micro`, `lastitem`.`lastitem_date`
+                               FROM
+                                       (SELECT MAX(`item`.`changed`) as `lastitem_date`, `item`.`uid`
+                                       FROM `item`
+                                       WHERE `item`.`type` = 'wall'
+                                       GROUP BY `item`.`uid`) AS `lastitem`
+                                                RIGHT OUTER JOIN `user` ON `user`.`uid` = `lastitem`.`uid`,
+                                          `contact`
+                               WHERE
+                                          `user`.`uid` = `contact`.`uid`
+                                               AND `user`.`verified` =1
+                                       AND `contact`.`self` =1
                                ORDER BY `contact`.`name` LIMIT %d, %d
                                ",
                                intval($a->pager['start']),
@@ -427,10 +467,12 @@ function admin_page_users(&$a){
                $e['page-flags'] = $accounts[$e['page-flags']];
                $e['register_date'] = relative_date($e['register_date']);
                $e['login_date'] = relative_date($e['login_date']);
+               $e['lastitem_date'] = relative_date($e['lastitem_date']);
                return $e;
        }
        $users = array_map("_setup_users", $users);
        
+       
        $t = get_markup_template("admin_users.tpl");
        $o = replace_macros($t, array(
                // strings //
@@ -448,7 +490,7 @@ function admin_page_users(&$a){
                '$unblock' => t('Unblock'),
                
                '$h_users' => t('Users'),
-               '$th_users' => array( t('Name'), t('Email'), t('Register date'), t('Last login'),  t('Account') ),
+               '$th_users' => array( t('Name'), t('Email'), t('Register date'), t('Last login'), t('Last item'),  t('Account') ),
 
                '$confirm_delete_multi' => t('Selected users will be deleted!\n\nEverything these users had posted on this site will be permanently deleted!\n\nAre you sure?'),
                '$confirm_delete' => t('The user {0} will be deleted!\n\nEverything this user has posted on this site will be permanently deleted!\n\nAre you sure?'),
@@ -484,7 +526,7 @@ function admin_page_plugins(&$a){
                if (x($_GET,"a") && $_GET['a']=="t"){
                        // Toggle plugin status
                        $idx = array_search($plugin, $a->plugins);
-                       if ($idx){
+                       if ($idx !== false){
                                unset($a->plugins[$idx]);
                                uninstall_plugin($plugin);
                                info( sprintf( t("Plugin %s disabled."), $plugin ) );
@@ -515,7 +557,7 @@ function admin_page_plugins(&$a){
                } 
                
                $admin_form="";
-               if (in_array($plugin, $a->plugins_admin)){
+               if (is_array($a->plugins_admin) && in_array($plugin, $a->plugins_admin)){
                        @require_once("addon/$plugin/$plugin.php");
                        $func = $plugin.'_plugin_admin';
                        $func($a, $admin_form);
@@ -533,9 +575,11 @@ function admin_page_plugins(&$a){
                        '$status' => $status,
                        '$action' => $action,
                        '$info' => get_plugin_info($plugin),
+                       '$str_author' => t('Author: '),
+                       '$str_maintainer' => t('Maintainer: '),                 
                
                        '$admin_form' => $admin_form,
-                       
+                       '$function' => 'plugins',
                        '$readme' => $readme
                ));
        } 
@@ -564,11 +608,180 @@ function admin_page_plugins(&$a){
                '$page' => t('Plugins'),
                '$submit' => t('Submit'),
                '$baseurl' => $a->get_baseurl(),
-       
+               '$function' => 'plugins',       
                '$plugins' => $plugins
        ));
 }
 
+function toggle_theme(&$themes,$th,&$result) {
+       for($x = 0; $x < count($themes); $x ++) {
+               if($themes[$x]['name'] === $th) {
+                       if($themes[$x]['allowed']) {
+                               $themes[$x]['allowed'] = 0;
+                               $result = 0;
+                       }
+                       else {
+                               $themes[$x]['allowed'] = 1;
+                               $result = 1;
+                       }
+               }
+       }
+}
+
+function theme_status($themes,$th) {
+       for($x = 0; $x < count($themes); $x ++) {
+               if($themes[$x]['name'] === $th) {
+                       if($themes[$x]['allowed']) {
+                               return 1;
+                       }
+                       else {
+                               return 0;
+                       }
+               }
+       }
+       return 0;
+}
+       
+
+
+function rebuild_theme_table($themes) {
+       $o = '';
+       if(count($themes)) {
+               foreach($themes as $th) {
+                       if($th['allowed']) {
+                               if(strlen($o))
+                                       $o .= ',';
+                               $o .= $th['name'];
+                       }
+               }
+       }
+       return $o;
+}
+
+       
+/*
+ * Themes admin page
+ */
+
+function admin_page_themes(&$a){
+       
+       $allowed_themes_str = get_config('system','allowed_themes');
+       $allowed_themes_raw = explode(',',$allowed_themes_str);
+       $allowed_themes = array();
+       if(count($allowed_themes_raw))
+               foreach($allowed_themes_raw as $x)
+                       if(strlen(trim($x)))
+                               $allowed_themes[] = trim($x);
+
+       $themes = array();
+    $files = glob('view/theme/*');
+    if($files) {
+        foreach($files as $file) {
+            $f = basename($file);
+            $is_experimental = intval(file_exists($file . '/experimental'));
+                       $is_unsupported = 1-(intval(file_exists($file . '/unsupported')));
+                       $is_allowed = intval(in_array($f,$allowed_themes));
+                       $themes[] = array('name' => $f, 'experimental' => $is_experimental, 'supported' => $is_supported, 'allowed' => $is_allowed);
+        }
+    }
+
+       if(! count($themes)) {
+               notice( t('No themes found.'));
+               return;
+       }
+
+       /**
+        * Single theme
+        */
+
+       if ($a->argc == 3){
+               $theme = $a->argv[2];
+               if(! is_dir("view/theme/$theme")){
+                       notice( t("Item not found.") );
+                       return;
+               }
+               
+               if (x($_GET,"a") && $_GET['a']=="t"){
+
+                       // Toggle theme status
+
+                       toggle_theme($themes,$theme,$result);
+                       $s = rebuild_theme_table($themes);
+                       if($result)
+                               info( sprintf('Theme %s enabled.',$theme));
+                       else
+                               info( sprintf('Theme %s disabled.',$theme));
+
+                       set_config('system','allowed_themes',$s);
+                       goaway($a->get_baseurl() . '/admin/themes' );
+                       return; // NOTREACHED   
+               }
+
+               // display theme details
+               require_once('library/markdown.php');
+
+               if (theme_status($themes,$theme)) {
+                       $status="on"; $action= t("Disable");
+               } else {
+                       $status="off"; $action= t("Enable");
+               }
+               
+               $readme=Null;
+               if (is_file("view/$theme/README.md")){
+                       $readme = file_get_contents("view/$theme/README.md");
+                       $readme = Markdown($readme);
+               } else if (is_file("view/$theme/README")){
+                       $readme = "<pre>". file_get_contents("view/$theme/README") ."</pre>";
+               } 
+               
+               $admin_form="";
+               
+               $t = get_markup_template("admin_plugins_details.tpl");
+               return replace_macros($t, array(
+                       '$title' => t('Administration'),
+                       '$page' => t('Themes'),
+                       '$toggle' => t('Toggle'),
+                       '$settings' => t('Settings'),
+                       '$baseurl' => $a->get_baseurl(),
+               
+                       '$plugin' => $theme,
+                       '$status' => $status,
+                       '$action' => $action,
+                       '$info' => get_theme_info($theme),
+                       '$function' => 'themes',                
+                       '$admin_form' => $admin_form,
+                       '$str_author' => t('Author: '),
+                       '$str_maintainer' => t('Maintainer: '),                 
+                       '$readme' => $readme
+               ));
+       } 
+        
+        
+       
+       /**
+        * List plugins
+        */
+       
+       $xthemes = array();
+       if($themes) {
+               foreach($themes as $th) {
+                       $xthemes[] = array($th['name'],(($th['allowed']) ? "on" : "off"), get_theme_info($th['name']));
+               }
+       }
+       
+       $t = get_markup_template("admin_plugins.tpl");
+       return replace_macros($t, array(
+               '$title' => t('Administration'),
+               '$page' => t('Themes'),
+               '$submit' => t('Submit'),
+               '$baseurl' => $a->get_baseurl(),
+               '$function' => 'themes',
+               '$plugins' => $xthemes,
+               '$experimental' => t('[Experimental]'),
+               '$unsupported' => t('[Unsupported]')
+       ));
+}
+
 
 /**
  * Logs admin page
@@ -606,23 +819,36 @@ function admin_page_logs(&$a){
        $t = get_markup_template("admin_logs.tpl");
 
        $f = get_config('system','logfile');
-       $size = filesize($f);
-       if($size > 5000000)
-               $size = 5000000;
 
        $data = '';
-       $fp = fopen($f,'r');
-       if($fp) {
-               $seek = fseek($fp,0-$size,SEEK_END);
-               if($seek === 0) {
-                       fgets($fp); // throw away the first partial line
-                       $data = escape_tags(fread($fp,$size));
-                       while(! feof($fp))
-                               $data .= escape_tags(fread($fp,4096));
-               }
-               fclose($fp);
-       }
 
+       if(!file_exists($f)) {
+               $data = t("Error trying to open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f exist and is 
+readable.");
+       }
+       else {
+               $fp = fopen($f, 'r');
+               if(!$fp) {
+                       $data = t("Couldn't open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f is readable.");
+               }
+               else {
+                       $fstat = fstat($fp);
+                       $size = $fstat['size'];
+                       if($size != 0)
+                       {
+                               if($size > 5000000 || $size < 0)
+                                       $size = 5000000;
+                               $seek = fseek($fp,0-$size,SEEK_END);
+                               if($seek === 0) {
+                                       fgets($fp); // throw away the first partial line
+                                       $data = escape_tags(fread($fp,$size));
+                                       while(! feof($fp))
+                                               $data .= escape_tags(fread($fp,4096));
+                               }
+                       }
+                       fclose($fp);
+               }
+       }                       
 
        return replace_macros($t, array(
                '$title' => t('Administration'),
@@ -635,8 +861,59 @@ function admin_page_logs(&$a){
                
                                                                        // name, label, value, help string, extra data...
                '$debugging'            => array('debugging', t("Debugging"),get_config('system','debugging'), ""),
-               '$logfile'                      => array('logfile', t("Log file"), get_config('system','logfile'), t("Must be writable by web server. Relative to your Friendika index.php.")),
+               '$logfile'                      => array('logfile', t("Log file"), get_config('system','logfile'), t("Must be writable by web server. Relative to your Friendica top-level directory.")),
                '$loglevel'             => array('loglevel', t("Log level"), get_config('system','loglevel'), "", $log_choices),
        ));
 }
 
+function admin_page_remoteupdate_post(&$a) {
+       // this function should be called via ajax post
+       if(!is_site_admin()) {
+               return;
+       }
+
+       
+       if (x($_POST,'remotefile') && $_POST['remotefile']!=""){
+               $remotefile = $_POST['remotefile'];
+               $ftpdata = (x($_POST['ftphost'])?$_POST:false);
+               doUpdate($remotefile, $ftpdata);
+       } else {
+               echo "No remote file to download. Abort!";
+       }
+
+       killme();
+}
+
+function admin_page_remoteupdate(&$a) {
+       if(!is_site_admin()) {
+               return login(false);
+       }
+
+       $canwrite = canWeWrite();
+       $canftp = function_exists('ftp_connect');
+       
+       $needupdate = true;
+       $u = checkUpdate();
+       if (!is_array($u)){
+               $needupdate = false;
+               $u = array('','','');
+       }
+       
+       $tpl = get_markup_template("admin_remoteupdate.tpl");
+       return replace_macros($tpl, array(
+               '$baseurl' => $a->get_baseurl(),
+               '$submit' => t("Update now"),
+               '$close' => t("Close"),
+               '$localversion' => FRIENDICA_VERSION,
+               '$remoteversion' => $u[1],
+               '$needupdate' => $needupdate,
+               '$canwrite' => $canwrite,
+               '$canftp'       => $canftp,
+               '$ftphost'      => array('ftphost', t("FTP Host"), '',''),
+               '$ftppath'      => array('ftppath', t("FTP Path"), '/',''),
+               '$ftpuser'      => array('ftpuser', t("FTP User"), '',''),
+               '$ftppwd'       => array('ftppwd', t("FTP Password"), '',''),
+               '$remotefile'=>array('remotefile','', $u['2'],'')
+       ));
+       
+}