5 files changed, 46 insertions, 46 deletions
diff --git a/app/controllers/admin/application_controller.rb b/app/controllers/admin/application_controller.rb
index 9083bfb41cf..cf795d977ce 100644
--- a/app/controllers/admin/application_controller.rb
+++ b/app/controllers/admin/application_controller.rb
@@ -6,12 +6,6 @@ class Admin::ApplicationController < ApplicationController
   layout 'admin'
 
   def authenticate_admin!
-    return render_404 unless current_user.is_admin?
-  end
-
-  def authorize_impersonator!
-    if session[:impersonator_id]
-      User.find_by!(username: session[:impersonator_id]).admin?
-    end
+    render_404 unless current_user.is_admin?
   end
 end
diff --git a/app/controllers/admin/impersonation_controller.rb b/app/controllers/admin/impersonation_controller.rb
deleted file mode 100644
index bf98af78615..00000000000
--- a/app/controllers/admin/impersonation_controller.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-class Admin::ImpersonationController < Admin::ApplicationController
-  skip_before_action :authenticate_admin!, only: :destroy
-
-  before_action :user
-  before_action :authorize_impersonator!
-
-  def create
-    if @user.blocked?
-      flash[:alert] = "You cannot impersonate a blocked user"
-
-      redirect_to admin_user_path(@user)
-    else
-      session[:impersonator_id] = current_user.username
-      session[:impersonator_return_to] = admin_user_path(@user)
-
-      warden.set_user(user, scope: 'user')
-
-      flash[:alert] = "You are impersonating #{user.username}."
-
-      redirect_to root_path
-    end
-  end
-
-  def destroy
-    redirect = session[:impersonator_return_to]
-
-    warden.set_user(user, scope: 'user')
-
-    session[:impersonator_return_to] = nil
-    session[:impersonator_id] = nil
-
-    redirect_to redirect || root_path
-  end
-
-  def user
-    @user ||= User.find_by!(username: params[:id] || session[:impersonator_id])
-  end
-end
diff --git a/app/controllers/admin/impersonations_controller.rb b/app/controllers/admin/impersonations_controller.rb
new file mode 100644
index 00000000000..1ca3dd8228d
--- /dev/null
+++ b/app/controllers/admin/impersonations_controller.rb
@@ -0,0 +1,28 @@
+class Admin::ImpersonationsController < Admin::ApplicationController
+  skip_before_action :authenticate_admin!
+  before_action :authenticate_impersonator!
+
+  def destroy
+    redirect_path = admin_user_path(current_user)
+
+    warden.set_user(impersonator, scope: :user)
+
+    session[:impersonator_id] = nil
+
+    redirect_to redirect_path
+  end
+
+  private
+
+  def user
+    @user ||= User.find(params[:id])
+  end
+
+  def impersonator
+    @impersonator ||= User.find(session[:impersonator_id]) if session[:impersonator_id]
+  end
+
+  def authenticate_impersonator!
+    render_404 unless impersonator && impersonator.is_admin? && !impersonator.blocked?
+  end
+end
diff --git a/app/controllers/admin/users_controller.rb b/app/controllers/admin/users_controller.rb
index 9abf08d0e19..b8976fa09a9 100644
--- a/app/controllers/admin/users_controller.rb
+++ b/app/controllers/admin/users_controller.rb
@@ -31,6 +31,22 @@ class Admin::UsersController < Admin::ApplicationController
     user
   end
 
+  def impersonate
+    if user.blocked?
+      flash[:alert] = "You cannot impersonate a blocked user"
+
+      redirect_to admin_user_path(user)
+    else
+      session[:impersonator_id] = current_user.id
+
+      warden.set_user(user, scope: :user)
+
+      flash[:alert] = "You are now impersonating #{user.username}"
+
+      redirect_to root_path
+    end
+  end
+
   def block
     if user.block
       redirect_back_or_admin_user(notice: "Successfully blocked")
diff --git a/app/views/layouts/header/_default.html.haml b/app/views/layouts/header/_default.html.haml
index 3beb8ff7c0d..cde9e1b918b 100644
--- a/app/views/layouts/header/_default.html.haml
+++ b/app/views/layouts/header/_default.html.haml
@@ -15,7 +15,7 @@
           - if current_user
             - if session[:impersonator_id]
               %li.impersonation
-                = link_to stop_impersonation_admin_users_path, method: :delete, title: 'Stop Impersonation', data: { toggle: 'tooltip', placement: 'bottom', container: 'body' } do
+                = link_to admin_impersonation_path, method: :delete, title: 'Stop Impersonation', data: { toggle: 'tooltip', placement: 'bottom', container: 'body' } do
                   = icon('user-secret fw')
             - if current_user.is_admin?
               %li