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|
# 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, :container
delegate :actor, :authentication_abilities, to: :authentication_result, allow_nil: true
delegate :type, to: :authentication_result, allow_nil: true, prefix: :auth_result
alias_method :user, :actor
alias_method :authenticated_user, :actor
# 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
private
def download_request?
raise NotImplementedError
end
def upload_request?
raise NotImplementedError
end
def authenticate_user
@authentication_result = Gitlab::Auth::Result.new
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 project
parse_repo_path unless defined?(@project)
@project
end
def parse_repo_path
@container, @project, @repo_type, @redirected_path = Gitlab::RepoPath.parse("#{params[:namespace_id]}/#{params[:repository_id]}")
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
end
end
Repositories::GitHttpClientController.prepend_if_ee('EE::Repositories::GitHttpClientController')
|
