152 lines
4.2 KiB
Ruby
152 lines
4.2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Repositories
|
|
class GitHttpClientController < Repositories::ApplicationController
|
|
include ActionController::HttpAuthentication::Basic
|
|
include KerberosSpnegoHelper
|
|
include Gitlab::Utils::StrongMemoize
|
|
|
|
attr_reader :authentication_result, :redirected_path
|
|
|
|
delegate :authentication_abilities, to: :authentication_result, allow_nil: true
|
|
delegate :type, to: :authentication_result, allow_nil: true, prefix: :auth_result
|
|
|
|
# Git clients will not know what authenticity token to send along
|
|
skip_around_action :set_session_storage
|
|
skip_before_action :verify_authenticity_token
|
|
|
|
prepend_before_action :authenticate_user, :parse_repo_path
|
|
|
|
skip_around_action :sessionless_bypass_admin_mode!
|
|
around_action :bypass_admin_mode!, if: :authenticated_user
|
|
|
|
feature_category :source_code_management
|
|
|
|
def authenticated_user
|
|
authentication_result&.user || authentication_result&.deploy_token
|
|
end
|
|
|
|
private
|
|
|
|
def user
|
|
authenticated_user
|
|
end
|
|
|
|
def download_request?
|
|
raise NotImplementedError
|
|
end
|
|
|
|
def upload_request?
|
|
raise NotImplementedError
|
|
end
|
|
|
|
def authenticate_user
|
|
@authentication_result = Gitlab::Auth::Result::EMPTY
|
|
|
|
if allow_basic_auth? && basic_auth_provided?
|
|
login, password = user_name_and_password(request)
|
|
|
|
if handle_basic_authentication(login, password)
|
|
return # Allow access
|
|
end
|
|
elsif allow_kerberos_spnego_auth? && spnego_provided?
|
|
kerberos_user = find_kerberos_user
|
|
|
|
if kerberos_user
|
|
@authentication_result = Gitlab::Auth::Result.new(
|
|
kerberos_user, nil, :kerberos, Gitlab::Auth.full_authentication_abilities)
|
|
|
|
send_final_spnego_response
|
|
return # Allow access
|
|
end
|
|
elsif http_download_allowed?
|
|
|
|
@authentication_result = Gitlab::Auth::Result.new(nil, project, :none, [:download_code])
|
|
|
|
return # Allow access
|
|
end
|
|
|
|
send_challenges
|
|
render plain: "HTTP Basic: Access denied\n", status: :unauthorized
|
|
rescue Gitlab::Auth::MissingPersonalAccessTokenError
|
|
render_missing_personal_access_token
|
|
end
|
|
|
|
def basic_auth_provided?
|
|
has_basic_credentials?(request)
|
|
end
|
|
|
|
def send_challenges
|
|
challenges = []
|
|
challenges << 'Basic realm="GitLab"' if allow_basic_auth?
|
|
challenges << spnego_challenge if allow_kerberos_spnego_auth?
|
|
headers['Www-Authenticate'] = challenges.join("\n") if challenges.any?
|
|
end
|
|
|
|
def container
|
|
parse_repo_path unless defined?(@container)
|
|
|
|
@container
|
|
end
|
|
|
|
def project
|
|
parse_repo_path unless defined?(@project)
|
|
|
|
@project
|
|
end
|
|
|
|
def repository_path
|
|
@repository_path ||= params[:repository_path]
|
|
end
|
|
|
|
def parse_repo_path
|
|
@container, @project, @repo_type, @redirected_path = Gitlab::RepoPath.parse(repository_path)
|
|
end
|
|
|
|
def render_missing_personal_access_token
|
|
render plain: "HTTP Basic: Access denied\n" \
|
|
"You must use a personal access token with 'read_repository' or 'write_repository' scope for Git over HTTP.\n" \
|
|
"You can generate one at #{profile_personal_access_tokens_url}",
|
|
status: :unauthorized
|
|
end
|
|
|
|
def repository
|
|
strong_memoize(:repository) do
|
|
repo_type.repository_for(container)
|
|
end
|
|
end
|
|
|
|
def repo_type
|
|
parse_repo_path unless defined?(@repo_type)
|
|
|
|
@repo_type
|
|
end
|
|
|
|
def handle_basic_authentication(login, password)
|
|
@authentication_result = Gitlab::Auth.find_for_git_client(
|
|
login, password, project: project, ip: request.ip)
|
|
|
|
@authentication_result.success?
|
|
end
|
|
|
|
def ci?
|
|
authentication_result.ci?(project)
|
|
end
|
|
|
|
def http_download_allowed?
|
|
Gitlab::ProtocolAccess.allowed?('http') &&
|
|
download_request? &&
|
|
container &&
|
|
Guest.can?(repo_type.guest_read_ability, container)
|
|
end
|
|
|
|
def bypass_admin_mode!(&block)
|
|
return yield unless Gitlab::CurrentSettings.admin_mode
|
|
|
|
Gitlab::Auth::CurrentUserMode.bypass_session!(authenticated_user.id, &block)
|
|
end
|
|
end
|
|
end
|
|
|
|
Repositories::GitHttpClientController.prepend_mod_with('Repositories::GitHttpClientController')
|