SiteSetting, admin passtrough, CSS, hide on mobile

app/assets/javascripts/discourse/views/topic-footer-main-buttons.js.es6

@@ -7,6 +7,7 @@ export default ContainerView.extend({
   @on('init')
   createButtons() {
     const mobileView = this.site.mobileView;
+    const { siteSettings } = this;
 
     const topic = this.get('topic');
 
@@ -32,7 +33,9 @@ export default ContainerView.extend({
       this.attachViewClass('invite-reply-button');
     }
 
-    this.attachViewClass('print-button');
+    if (!mobileView && siteSettings.allow_print_page) {
+      this.attachViewClass('print-button');
+    }
 
     if (topic.get('isPrivateMessage')) {
       this.attachViewClass('archive-button');

app/controllers/topics_controller.rb

@@ -70,8 +70,9 @@ class TopicsController < ApplicationController
     end
 
     if opts[:print]
+      raise Discourse::InvalidAccess unless SiteSetting.allow_print_page
       begin
-        RateLimiter.new(current_user, "print-topic-per-hour", 10, 1.hour).performed!
+        RateLimiter.new(current_user, "print-topic-per-hour", 10, 1.hour).performed! unless current_user.admin?
       rescue RateLimiter::LimitExceeded
         render_json_error(I18n.t("rate_limiter.slow_down"))
       end

app/views/layouts/crawler.html.erb

@@ -43,6 +43,11 @@
       .topic-list > div {
         margin-bottom: 15px;
       }
+      body img.emoji {
+        width: 20px;
+        height: 20px;
+        vertical-align: middle;
+      }
 
     </style>
   </head>