Import from Github using Personal Access Tokens.

This stands as an alternative to using OAuth to access a user's Github
repositories.  This is setup in such a way that it can be used without OAuth
configuration.

From a UI perspective, the how to import modal has been replaced by a full
page, which includes a form for posting a personal access token back to the
Import::GithubController.

If the user has logged in via GitHub, skip the Personal Access Token and go
directly to Github for an access token via OAuth.

1 files changed, 22 insertions, 3 deletions

diff --git a/app/controllers/import/github_controller.rb b/app/controllers/import/github_controller.rb
index 67bf4190e7e..95852c6941c 100644
--- a/app/controllers/import/github_controller.rb
+++ b/app/controllers/import/github_controller.rb
@@ -1,14 +1,29 @@
 class Import::GithubController < Import::BaseController
   before_action :verify_github_import_enabled
-  before_action :github_auth, except: :callback
+  before_action :github_auth, except: [:callback, :new, :personal_access_token]
 
   rescue_from Octokit::Unauthorized, with: :github_unauthorized
 
+  helper_method :logged_in_with_github?
+
+  def new
+    if logged_in_with_github?
+      go_to_github_for_permissions
+    elsif session[:github_access_token]
+      redirect_to status_import_github_url
+    end
+  end
+
   def callback
     session[:github_access_token] = client.get_token(params[:code])
     redirect_to status_import_github_url
   end
 
+  def personal_access_token
+    session[:github_access_token] = params[:personal_access_token]
+    redirect_to status_import_github_url
+  end
+
   def status
     @repos = client.repos
     @already_added_projects = current_user.created_projects.where(import_type: "github")
@@ -57,10 +72,14 @@ class Import::GithubController < Import::BaseController
   end
 
   def github_unauthorized
-    go_to_github_for_permissions
+    session[:github_access_token] = nil
+    redirect_to new_import_github_url,
+      alert: 'Access denied to your GitHub account.'
   end
 
-  private
+  def logged_in_with_github?
+    current_user.identities.exists?(provider: 'github')
+  end
 
   def access_params
     { github_access_token: session[:github_access_token] }