4 files changed, 44 insertions, 0 deletions
diff --git a/admin/album_notification.php b/admin/album_notification.php
index 492d555fd..fb2a1b027 100644
--- a/admin/album_notification.php
+++ b/admin/album_notification.php
@@ -205,6 +205,19 @@ $template->assign(
     )
   );
 
+if ($conf['auth_key_duration'] > 0)
+{
+  $template->assign(
+    'auth_key_duration',
+    time_since(
+      strtotime('now -'.$conf['auth_key_duration'].' second'),
+      'second',
+      null,
+      false
+      )
+    );
+}
+
 // +-----------------------------------------------------------------------+
 // |                          form construction                            |
 // +-----------------------------------------------------------------------+
diff --git a/admin/notification_by_mail.php b/admin/notification_by_mail.php
index cd61964d0..ca3d4127c 100644
--- a/admin/notification_by_mail.php
+++ b/admin/notification_by_mail.php
@@ -719,6 +719,20 @@ switch ($page['mode'])
       }
     }
     $template->assign($page['mode'], $tpl_var);
+
+    if ($conf['auth_key_duration'] > 0)
+    {
+      $template->assign(
+        'auth_key_duration',
+        time_since(
+          strtotime('now -'.$conf['auth_key_duration'].' second'),
+          'second',
+          null,
+          false
+          )
+        );
+    }
+
     break;
   }
 }
diff --git a/admin/themes/default/template/album_notification.tpl b/admin/themes/default/template/album_notification.tpl
index 8573cf16e..1b3aa73bd 100644
--- a/admin/themes/default/template/album_notification.tpl
+++ b/admin/themes/default/template/album_notification.tpl
@@ -101,6 +101,13 @@ span.errors {
     <textarea cols="50" rows="5" name="mail_content" id="mail_content" class="description">{$MAIL_CONTENT}</textarea>
   </p>
 
+{if isset($auth_key_duration)}
+  <p>
+  {'Each email sent will contain its own automatic authentication key on links, valid for %s.'|translate:$auth_key_duration}
+  <br>{'For security reason, authentication keys do not work for administrators.'|translate}
+  </p>
+{/if}
+
   <p class="actionButtons">
     <input class="submit" type="submit" value="{'Send'|@translate}" name="submitEmail">
     <span class="errors" style="display:none">&#x2718; {'No recipient selected'|translate}</span>
diff --git a/admin/themes/default/template/notification_by_mail.tpl b/admin/themes/default/template/notification_by_mail.tpl
index 0be49bdd1..95506616c 100644
--- a/admin/themes/default/template/notification_by_mail.tpl
+++ b/admin/themes/default/template/notification_by_mail.tpl
@@ -127,6 +127,16 @@ jQuery(document).ready(function(){
       </table>
     </fieldset>
 
+{if isset($auth_key_duration)}
+    <fieldset>
+      <legend>{'Informations'|@translate}</legend>
+      <p>
+      {'Each email sent will contain its own automatic authentication key on links, valid for %s.'|translate:$auth_key_duration}
+      <br>{'For security reason, authentication keys do not work for administrators.'|translate}
+      </p>      
+    </fieldset>
+{/if}
+
     <p>
       <input type="submit" value="{'Send'|@translate}" name="send_submit">
     </p>