Catching more exceptions that slipped through, removing AR logging from

production as it's very verbose and not very useful

app/controllers/api_controller.rb

@@ -18,6 +18,10 @@ class ApiController < ApplicationController
     render json: { error: 'Remote data could not be fetched' }, status: 503
   end
 
+  rescue_from OpenSSL::SSL::SSLError do
+    render json: { error: 'Remote SSL certificate could not be verified' }, status: 503
+  end
+
   protected
 
   def current_resource_owner

app/controllers/application_controller.rb

@@ -30,6 +30,12 @@ class ApplicationController < ActionController::Base
     end
   end
 
+  def gone
+    respond_to do |format|
+      format.any { head 410 }
+    end
+  end
+
   def current_account
     current_user.try(:account)
   end

app/controllers/stream_entries_controller.rb

@@ -8,13 +8,16 @@ class StreamEntriesController < ApplicationController
   def show
     @type = @stream_entry.activity_type.downcase
 
-    if @stream_entry.activity_type == 'Status'
-      @ancestors   = @stream_entry.activity.ancestors
-      @descendants = @stream_entry.activity.descendants
-    end
-
     respond_to do |format|
-      format.html
+      format.html do
+        return gone if @stream_entry.activity.nil?
+
+        if @stream_entry.activity_type == 'Status'
+          @ancestors   = @stream_entry.activity.ancestors
+          @descendants = @stream_entry.activity.descendants
+        end
+      end
+
       format.atom
     end
   end