app/views/avo/login.html.erb
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
<link href="/stylesheets/static.css" rel='stylesheet' type='text/css'>
<title>Log in | RubyGems.org</title>
</head>
<body>
<div class="wrapper">
<div class="image__wrapper">
<img height="530" alt="422 error" src="/images/sea_level.svg">
</div>
<div class="content">
<p>To reach the admin panel, please log in via GitHub.</p>
<%= form_tag ActionDispatch::Http::URL.path_for(path: '/oauth/github', params: { origin: request.fullpath }) do %>
<button id="github-login" type="submit" autofocus>
<svg viewBox="0 0 16 16" height="48" width="48" focusable="false" role="img" fill="currentColor" xmlns="http://www.w3.org/2000/svg">
<path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.012 8.012 0 0 0 16 8c0-4.42-3.58-8-8-8z"></path>
</svg>
<span>Log in with GitHub</span>
</button>
<% end %>
<% if Gemcutter::ENABLE_DEVELOPMENT_ADMIN_LOG_IN %>
<p>Since this is development mode, you can choose any admin from the list below to log in as that admin.</p>
<% if Admin::GitHubUser.any? %>
<ul class="admin-list">
<% Admin::GitHubUser.find_each do |user| %>
<li><%= link_to "login as #{user.login}", controller: :oauth, action: :development_log_in_as, admin_github_user_id: user.id %></li>
<% end %>
</ul>
<% else %>
<p>(To create an admin user for this list, run <code>bin/rails db:seed</code>.)</p>
<% end %>
<% end%>
<p>
<a href="/">Back to RubyGems.org →</a>
</p>
</div>
</div>
</body>
</html>
<% request.commit_csrf_token %>