Add option to include resolved DNS records when blacklisting e-mail domains in admin UI (#13254)

* Add shortcuts to blacklist a user's e-mail domain in admin UI

* Add option to blacklist resolved MX and IP records for e-mail domains

app/views/admin/accounts/show.html.haml

@@ -96,10 +96,17 @@
               = table_link_to 'angle-double-down', t('admin.accounts.demote'), demote_admin_account_role_path(@account.id), method: :post, data: { confirm: t('admin.accounts.are_you_sure') } if can?(:demote, @account.user)
 
           %tr
-            %th= t('admin.accounts.email')
-            %td= @account.user_email
+            %th{ rowspan: can?(:create, :email_domain_block) ? 3 : 2 }= t('admin.accounts.email')
+            %td{ rowspan: can?(:create, :email_domain_block) ? 3 : 2 }= @account.user_email
             %td= table_link_to 'edit', t('admin.accounts.change_email.label'), admin_account_change_email_path(@account.id) if can?(:change_email, @account.user)
 
+          %tr
+            %td= table_link_to 'search', t('admin.accounts.search_same_email_domain'), admin_accounts_path(email: "%@#{@account.user_email.split('@').last}")
+
+          - if can?(:create, :email_domain_block)
+            %tr
+              %td= table_link_to 'ban', t('admin.accounts.add_email_domain_block'), new_admin_email_domain_block_path(_domain: @account.user_email.split('@').last)
+
           - if @account.user_unconfirmed_email.present?
             %tr
               %th= t('admin.accounts.unconfirmed_email')
@@ -204,7 +211,7 @@
         = link_to t('admin.accounts.perform_full_suspension'), new_admin_account_action_path(@account.id, type: 'suspend'), class: 'button button--destructive' if can?(:suspend, @account)
 
       - unless @account.local?
-        - if DomainBlock.where(domain: @account.domain).exists?
+        - if DomainBlock.rule_for(@account.domain)
           = link_to t('admin.domain_blocks.view'), admin_instance_path(@account.domain), class: 'button'
         - else
           = link_to t('admin.domain_blocks.add_new'), new_admin_domain_block_path(_domain: @account.domain), class: 'button button--destructive'

app/views/admin/email_domain_blocks/_email_domain_block.html.haml

@@ -3,3 +3,13 @@
     %samp= email_domain_block.domain
   %td
     = table_link_to 'trash', t('admin.email_domain_blocks.delete'), admin_email_domain_block_path(email_domain_block), method: :delete
+
+- email_domain_block.children.each do |child_email_domain_block|
+  %tr
+    %td
+      %samp= child_email_domain_block.domain
+      %span.muted-hint
+        = surround '(', ')' do
+          = t('admin.email_domain_blocks.from_html', domain: content_tag(:samp, email_domain_block.domain))
+    %td
+      = table_link_to 'trash', t('admin.email_domain_blocks.delete'), admin_email_domain_block_path(child_email_domain_block), method: :delete

app/views/admin/email_domain_blocks/new.html.haml

@@ -5,7 +5,10 @@
   = render 'shared/error_messages', object: @email_domain_block
 
   .fields-group
-    = f.input :domain, wrapper: :with_label, label: t('admin.email_domain_blocks.domain')
+    = f.input :domain, wrapper: :with_block_label, label: t('admin.email_domain_blocks.domain')
+
+  .fields-group
+    = f.input :with_dns_records, as: :boolean, wrapper: :with_label
 
   .actions
     = f.button :button, t('.create'), type: :submit