pleroma/lib/pleroma/web/templates/o_auth/o_auth/show.html.eex

<%= if get_flash(@conn, :info) do %>
<p class="alert alert-info" role="alert"><%= get_flash(@conn, :info) %></p>
<% end %>
<%= if get_flash(@conn, :error) do %>
<p class="alert alert-danger" role="alert"><%= get_flash(@conn, :error) %></p>
<% end %>

<h2>OAuth Authorization</h2>
<%= form_for @conn, o_auth_path(@conn, :authorize), [as: "authorization"], fn f -> %>

<%= if @params["registration"] in ["true", true] do %>
  <h3>This is the first time you visit! Please enter your Pleroma handle.</h3>
  <p>Choose carefully! You won't be able to change this later. You will be able to change your display name, though.</p>
  <div class="input">
    <%= label f, :nickname, "Pleroma Handle" %>
    <%= text_input f, :nickname, placeholder: "lain" %>
  </div>
  <%= hidden_input f, :name, value: @params["name"] %>
  <%= hidden_input f, :password, value: @params["password"] %>
  <br>
<% else %>
  <div class="input">
    <%= label f, :name, "Username" %>
    <%= text_input f, :name %>
  </div>
  <div class="input">
    <%= label f, :password, "Password" %>
    <%= password_input f, :password %>
  </div>
  <%= submit "Log In" %>
  <%= render @view_module, "_scopes.html", Map.merge(assigns, %{form: f}) %>
<% end %>

<%= hidden_input f, :client_id, value: @client_id %>
<%= hidden_input f, :response_type, value: @response_type %>
<%= hidden_input f, :redirect_uri, value: @redirect_uri %>
<%= hidden_input f, :state, value: @state %>
<% end %>

<%= if Pleroma.Config.oauth_consumer_enabled?() do %>
  <%= render @view_module, Pleroma.Web.Auth.Authenticator.oauth_consumer_template(), assigns %>
<% end %>