141 lines
3.7 KiB
Ruby
141 lines
3.7 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Gitlab
|
|
class GitAccessSnippet < GitAccess
|
|
extend ::Gitlab::Utils::Override
|
|
|
|
ERROR_MESSAGES = {
|
|
authentication_mechanism: 'The authentication mechanism is not supported.',
|
|
read_snippet: 'You are not allowed to read this snippet.',
|
|
update_snippet: 'You are not allowed to update this snippet.',
|
|
snippet_not_found: 'The snippet you were looking for could not be found.',
|
|
no_repo: 'The snippet repository you were looking for could not be found.'
|
|
}.freeze
|
|
|
|
alias_method :snippet, :container
|
|
|
|
def initialize(actor, snippet, protocol, **kwargs)
|
|
super(actor, snippet, protocol, **kwargs)
|
|
|
|
@auth_result_type = nil
|
|
@authentication_abilities &= [:download_code, :push_code]
|
|
end
|
|
|
|
override :project
|
|
def project
|
|
container.project if container.is_a?(ProjectSnippet)
|
|
end
|
|
|
|
override :check
|
|
def check(cmd, changes)
|
|
check_snippet_accessibility!
|
|
|
|
super
|
|
end
|
|
|
|
override :download_ability
|
|
def download_ability
|
|
:read_snippet
|
|
end
|
|
|
|
override :push_ability
|
|
def push_ability
|
|
:update_snippet
|
|
end
|
|
|
|
private
|
|
|
|
# TODO: Implement EE/Geo https://gitlab.com/gitlab-org/gitlab/issues/205629
|
|
override :check_custom_action
|
|
def check_custom_action
|
|
# snippets never return custom actions, such as geo replication.
|
|
end
|
|
|
|
override :check_valid_actor!
|
|
def check_valid_actor!
|
|
# TODO: Investigate if expanding actor/authentication types are needed.
|
|
# https://gitlab.com/gitlab-org/gitlab/issues/202190
|
|
if actor && !allowed_actor?
|
|
raise ForbiddenError, error_message(:authentication_mechanism)
|
|
end
|
|
|
|
super
|
|
end
|
|
|
|
def allowed_actor?
|
|
actor.is_a?(User) || actor.instance_of?(Key)
|
|
end
|
|
|
|
override :check_push_access!
|
|
def check_push_access!
|
|
raise ForbiddenError, error_message(:update_snippet) unless user
|
|
|
|
if snippet&.repository_read_only?
|
|
raise ForbiddenError, error_message(:read_only)
|
|
end
|
|
|
|
check_change_access!
|
|
end
|
|
|
|
def check_snippet_accessibility!
|
|
if snippet.blank?
|
|
raise NotFoundError, error_message(:snippet_not_found)
|
|
end
|
|
end
|
|
|
|
override :can_read_project?
|
|
def can_read_project?
|
|
return true if user&.migration_bot?
|
|
|
|
super
|
|
end
|
|
|
|
override :can_download?
|
|
def can_download?
|
|
guest_can_download? || user_can_download?
|
|
end
|
|
|
|
override :download_forbidden_message
|
|
def download_forbidden_message
|
|
error_message(:read_snippet)
|
|
end
|
|
|
|
override :check_change_access!
|
|
def check_change_access!
|
|
unless user_can_push?
|
|
raise ForbiddenError, error_message(:update_snippet)
|
|
end
|
|
|
|
check_size_before_push!
|
|
check_access!
|
|
check_push_size!
|
|
end
|
|
|
|
override :check_access!
|
|
def check_access!
|
|
changes_list.each do |change|
|
|
# If user does not have access to make at least one change, cancel all
|
|
# push by allowing the exception to bubble up
|
|
Checks::SnippetCheck.new(change, default_branch: snippet.default_branch, root_ref: snippet.repository.root_ref, logger: logger).validate!
|
|
Checks::PushFileCountCheck.new(change, repository: repository, limit: Snippet.max_file_limit, logger: logger).validate!
|
|
end
|
|
rescue Checks::TimedLogger::TimeoutError
|
|
raise TimeoutError, logger.full_message
|
|
end
|
|
|
|
override :user_access
|
|
def user_access
|
|
@user_access ||= UserAccessSnippet.new(user, snippet: snippet)
|
|
end
|
|
|
|
override :check_size_limit?
|
|
def check_size_limit?
|
|
return false if user&.migration_bot?
|
|
|
|
super
|
|
end
|
|
end
|
|
end
|
|
|
|
Gitlab::GitAccessSnippet.prepend_mod_with('Gitlab::GitAccessSnippet')
|