show app pw as qr code

app/assets/stylesheets/application.css

@@ -74,7 +74,7 @@
   font-family: monospace;
 }
 
-.recovery-token-qr {
+.qr-field {
   border: dashed gray 3px;
   padding: 10px;
   margin-top: 20px;
@@ -83,7 +83,7 @@
   width: 260px;
 }
 
-.recovery-token-qr table {
+.qr-field table {
   margin: 0 auto;
   border-width: 0;
   border-style: none;
@@ -91,7 +91,7 @@
   border-collapse: collapse;
 }
 
-.recovery-token-qr td {
+.qr-field td {
   border-left: solid 4px #000;
   padding: 0;
   margin: 0;
@@ -99,8 +99,8 @@
   height: 4px;
 }
 
-.recovery-token-qr td.black { border-color: #000; }
-.recovery-token-qr td.white { border-color: #fff; }
+.qr-field td.black { border-color: #000; }
+.qr-field td.white { border-color: #fff; }
 
 .userlist th { font-weight: bold }
 .userlist tr:nth-child(even) {background: #ddd}

app/controllers/app_passwords_controller.rb

@@ -5,6 +5,12 @@ class AppPasswordsController < ApplicationController
       @passwords = res['names']
       if session[:app_pw]
         @app_pw = session[:app_pw]
+        begin
+          @qr = RQRCode::QRCode.new(@app_pw, :size => 10, :level => :h)
+        rescue => e
+          @qr = ''
+          puts "qr token generation failed #{e}"
+        end
         session[:app_pw] = nil
       end
     rescue ApiBackend::ApiError

app/views/app_passwords/show.html.erb

@@ -4,6 +4,8 @@
   <b> <%= t(:your_app_pw_is) %> </b>
   <p>
   <div class="app-password"><%= @app_pw %></div>
+  <b><%= t(:qr_code) %></b>
+  <div class="qr-field"><%= raw(@qr.as_html) %></div>
   </p>
 <% end %>
 <p>

app/views/mail_crypt/show.html.erb

@@ -12,7 +12,7 @@
   <p>
   <b><%= t(:qr_code) %></b>
   <%= t(:qr_token_help) %>
-  <div class="recovery-token-qr"><%= raw(@qr.as_html) %></div>
+  <div class="qr-field"><%= raw(@qr.as_html) %></div>
   </p>
 
 <% else %>

app/views/signup/success.html.erb

@@ -19,7 +19,7 @@
   <p>
   <b><%= t(:qr_code) %></b>
   <%= t(:qr_token_help) %>
-  <div class="recovery-token-qr"><%= raw(@qr.as_html) %></div>
+  <div class="qr-field"><%= raw(@qr.as_html) %></div>
   </p>
   <br />
 <% else %>