BB importer: Fixed bug with putting expired token to a project.clone_url

app/controllers/import/bitbucket_controller.rb

@@ -49,6 +49,9 @@ class Import::BitbucketController < Import::BaseController
     namespace = find_or_create_namespace(@target_namespace, current_user)
 
     if current_user.can?(:create_projects, namespace)
+      # The token in a session can be expired, we need to get most recent one because
+      # Bitbucket::Connection class refreshes it.
+      session[:bitbucket_token] = bitbucket_client.connection.token
       @project = Gitlab::BitbucketImport::ProjectCreator.new(repo, @project_name, namespace, current_user, credentials).execute
     else
       render 'unauthorized'

lib/bitbucket/client.rb

 module Bitbucket
   class Client
+    attr_reader :connection
+
     def initialize(options = {})
       @connection = Connection.new(options)
     end
@@ -48,8 +50,6 @@ module Bitbucket
 
     private
 
-    attr_reader :connection
-
     def get_collection(path, type)
       paginator = Paginator.new(connection, path, type)
       Collection.new(paginator)

lib/bitbucket/connection.rb

@@ -4,6 +4,8 @@ module Bitbucket
     DEFAULT_BASE_URI    = 'https://api.bitbucket.org/'
     DEFAULT_QUERY       = {}
 
+    attr_reader :expires_at, :expires_in, :refresh_token, :token
+
     def initialize(options = {})
       @api_version   = options.fetch(:api_version, DEFAULT_API_VERSION)
       @base_uri      = options.fetch(:base_uri, DEFAULT_BASE_URI)
@@ -38,8 +40,6 @@ module Bitbucket
 
     private
 
-    attr_reader :expires_at, :expires_in, :refresh_token, :token
-
     def client
       @client ||= OAuth2::Client.new(provider.app_id, provider.app_secret, options)
     end

lib/gitlab/bitbucket_import/project_creator.rb

@@ -21,7 +21,7 @@ module Gitlab
           visibility_level: repo.visibility_level,
           import_type: 'bitbucket',
           import_source: repo.full_name,
-          import_url: repo.clone_url(@session_data[:token]),
+          import_url: repo.clone_url(session_data[:token]),
           import_data: { credentials: session_data }
         ).execute
       end