Display message when feed/logs are empty

Adjust the html templates for web feed and log viewers to check if there's any data to display. If no data, a message is shown informing the user that there's no data.

internal/threatfeed/templates/logs-error.html

@@ -140,23 +140,17 @@
         /* Content */
         /* ======= */
         h1 {
-            /* color: #f34; */
             color: #d34;
             font-size: 1.95rem;
             margin: 0 0 1.5rem 0;
         }
 
         p {
-            /* color: #7de; */
             color: #dde;
             font-family: 'Consolas', 'Menlo', 'Noto Sans Mono', 'Roboto Mono', 'Moncaco', 'DejaVu Sans Mono', 'Liberation Mono', 'Lucida Console', monospace;
             font-size: 1.2rem;
         }
 
-        .white {
-            color: #f0a;
-        }
-
         /* ============= */
         /* Media Queries */
         /* ============= */

internal/threatfeed/templates/logs-http.html

@@ -231,6 +231,16 @@
             text-decoration: none;
         }
 
+        /* ======= */
+        /* Content */
+        /* ======= */
+        p.no-results {
+            color: #fb0;
+            font-size: 1.2rem;
+            padding-top: 1rem;
+            text-align: center;
+        }
+
         /* ============= */
         /* Media Queries */
         /* ============= */
@@ -321,6 +331,7 @@
         </nav>
     </header>
     <main>
+        {{if .}}
         <table>
             <thead>
                 <tr><th>Time<th>Source IP<th>Method<th>Path</tr>
@@ -330,6 +341,9 @@
                 {{end}}
             </tbody>
         </table>
+        {{else}}
+        <p class="no-results">No log data found</p>
+        {{end}}
     </main>
 </body>
 </html>

internal/threatfeed/templates/logs-ssh.html

@@ -229,6 +229,16 @@
             text-decoration: none;
         }
 
+        /* ======= */
+        /* Content */
+        /* ======= */
+        p.no-results {
+            color: #fb0;
+            font-size: 1.2rem;
+            padding-top: 1rem;
+            text-align: center;
+        }
+
         /* ============= */
         /* Media Queries */
         /* ============= */
@@ -314,6 +324,7 @@
         </nav>
     </header>
     <main>
+        {{if .}}
         <table>
             <thead>
                 <tr><th>Time<th>Source IP<th>Username<th>Password</tr>
@@ -323,6 +334,9 @@
                 {{end}}
             </tbody>
         </table>
+        {{else}}
+        <p class="no-results">No log data found</p>
+        {{end}}
     </main>
 </body>
 </html>

internal/threatfeed/templates/webfeed.html

@@ -228,6 +228,15 @@
             text-decoration: none;
         }
 
+        /* ======= */
+        /* Content */
+        /* ======= */
+        p.no-results {
+            color: #fb0;
+            font-size: 1.2rem;
+            text-align: center;
+        }
+
         /* ============= */
         /* Media Queries */
         /* ============= */
@@ -350,6 +359,7 @@
         </nav>
     </header>
     <main>
+        {{if .Data}}
         <table>
             <thead>
                 <tr>
@@ -376,6 +386,9 @@
             {{end}}
             </tbody>
         </table>
+        {{else}}
+        <p class="no-results">The threat feed is currently empty</p>
+        {{end}}
     </main>
 </body>
 </html>