Fixes: First line was missing in logs. Adds support for Fail2ban container

data/web/admin.php

@@ -22,6 +22,7 @@ $tfa_data = get_tfa();
     <li role="presentation"><a href="#tab-postfix-logs" aria-controls="tab-postfix-logs" role="tab" data-toggle="tab">Postfix</a></li>
     <li role="presentation"><a href="#tab-dovecot-logs" aria-controls="tab-dovecot-logs" role="tab" data-toggle="tab">Dovecot</a></li>
     <li role="presentation"><a href="#tab-sogo-logs" aria-controls="tab-sogo-logs" role="tab" data-toggle="tab">SOGo</a></li>
+    <li role="presentation"><a href="#tab-fail2ban-logs" aria-controls="tab-fail2ban-logs" role="tab" data-toggle="tab">Fail2ban</a></li>
     <li role="presentation"><a href="#tab-rspamd-history" aria-controls="tab-rspamd-history" role="tab" data-toggle="tab">Rspamd</a></li>
     </ul>
     </li>
@@ -324,6 +325,24 @@ $tfa_data = get_tfa();
     </div>
   </div>
 
+  <div role="tabpanel" class="tab-pane" id="tab-fail2ban-logs">
+    <div class="panel panel-default">
+      <div class="panel-heading">Fail2ban
+        <div class="btn-group pull-right">
+          <a class="btn btn-xs btn-default dropdown-toggle" data-toggle="dropdown" href="#"><?=$lang['admin']['action'];?> <span class="caret"></span></a>
+          <ul class="dropdown-menu">
+            <li><a href="#" id="refresh_fail2ban_log"><?=$lang['admin']['refresh'];?></a></li>
+          </ul>
+        </div>
+      </div>
+      <div class="panel-body">
+        <div class="table-responsive">
+          <table class="table table-striped table-condensed" id="fail2ban_log"></table>
+        </div>
+      </div>
+    </div>
+  </div>
+
   <div role="tabpanel" class="tab-pane" id="tab-rspamd-history">
     <div class="panel panel-default">
       <div class="panel-heading">Rspamd history

data/web/inc/functions.inc.php

@@ -1388,7 +1388,7 @@ function get_logs($container, $lines = 100) {
 	}
   $lines = intval($lines);
   if ($container == "dovecot-mailcow") {
-    if ($data = $redis->lRange('DOVECOT_MAILLOG', 1, $lines)) {
+    if ($data = $redis->lRange('DOVECOT_MAILLOG', 0, $lines)) {
       foreach ($data as $json_line) {
         $data_array[] = json_decode($json_line, true);
       }
@@ -1396,7 +1396,7 @@ function get_logs($container, $lines = 100) {
     }
   }
   if ($container == "postfix-mailcow") {
-    if ($data = $redis->lRange('POSTFIX_MAILLOG', 1, $lines)) {
+    if ($data = $redis->lRange('POSTFIX_MAILLOG', 0, $lines)) {
       foreach ($data as $json_line) {
         $data_array[] = json_decode($json_line, true);
       }
@@ -1404,7 +1404,15 @@ function get_logs($container, $lines = 100) {
     }
   }
   if ($container == "sogo-mailcow") {
-    if ($data = $redis->lRange('SOGO_LOG', 1, $lines)) {
+    if ($data = $redis->lRange('SOGO_LOG', 0, $lines)) {
+      foreach ($data as $json_line) {
+        $data_array[] = json_decode($json_line, true);
+      }
+      return $data_array;
+    }
+  }
+  if ($container == "fail2ban-mailcow") {
+    if ($data = $redis->lRange('F2B_LOG', 0, $lines)) {
       foreach ($data as $json_line) {
         $data_array[] = json_decode($json_line, true);
       }

data/web/js/admin.js

@@ -43,6 +43,10 @@ jQuery(function($){
     e.preventDefault();
     draw_sogo_logs();
   });
+  $("#refresh_fail2ban_log").on('click', function(e) {
+    e.preventDefault();
+    draw_fail2ban_logs();
+  });
   $("#refresh_rspamd_history").on('click', function(e) {
     e.preventDefault();
     draw_rspamd_history();
@@ -95,6 +99,41 @@ jQuery(function($){
       }
     });
   }
+  function draw_fail2ban_logs() {
+    ft_fail2ban_logs = FooTable.init('#fail2ban_log', {
+      "columns": [
+        {"name":"time","formatter":function unix_time_format(tm) { var date = new Date(tm ? tm * 1000 : 0); return date.toLocaleString();},"title":lang.time,"style":{"width":"170px"}},
+        {"name":"message","title":lang.message},
+      ],
+      "rows": $.ajax({
+        dataType: 'json',
+        url: '/api/v1/get/logs/fail2ban/1000',
+        jsonp: false,
+        error: function () {
+          console.log('Cannot draw fail2ban log table');
+        },
+        success: function (data) {
+          $.each(data, function (i, item) {
+            item.message = escapeHtml(item.message);
+          });
+        }
+      }),
+      "empty": lang.empty,
+      "paging": {
+        "enabled": true,
+        "limit": 5,
+        "size": log_pagination_size
+      },
+      "filtering": {
+        "enabled": true,
+        "position": "left",
+        "placeholder": lang.filter_table
+      },
+      "sorting": {
+        "enabled": true
+      }
+    });
+  }
   function draw_sogo_logs() {
     ft_sogo_logs = FooTable.init('#sogo_log', {
       "columns": [
@@ -454,6 +493,7 @@ jQuery(function($){
   draw_postfix_logs();
   draw_dovecot_logs();
   draw_sogo_logs();
+  draw_fail2ban_logs();
   draw_domain_admins();
   draw_fwd_hosts();
   draw_rspamd_history();

data/web/json_api.php

@@ -480,6 +480,21 @@ if (isset($_SESSION['mailcow_cc_role']) || isset($_SESSION['pending_mailcow_cc_u
                   echo '{}';
                 }
               break;
+              case "fail2ban":
+                if (isset($extra) && !empty($extra)) {
+                  $extra = intval($extra);
+                  $logs = get_logs('fail2ban-mailcow', $extra);
+                }
+                else {
+                  $logs = get_logs('fail2ban-mailcow', -1);
+                }
+                if (isset($logs) && !empty($logs)) {
+                  echo json_encode($logs, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+                }
+                else {
+                  echo '{}';
+                }
+              break;
               case "postfix":
                 if (isset($extra) && !empty($extra)) {
                   $extra = intval($extra);