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|
# frozen_string_literal: true
class ProjectFeature < ApplicationRecord
# == Project features permissions
#
# Grants access level to project tools
#
# Tools can be enabled only for users, everyone or disabled
# Access control is made only for non private projects
#
# levels:
#
# Disabled: not enabled for anyone
# Private: enabled only for team members
# Enabled: enabled for everyone able to access the project
# Public: enabled for everyone (only allowed for pages)
#
# Permission levels
DISABLED = 0
PRIVATE = 10
ENABLED = 20
PUBLIC = 30
FEATURES = %i(issues forking merge_requests wiki snippets builds repository pages).freeze
PRIVATE_FEATURES_MIN_ACCESS_LEVEL = { merge_requests: Gitlab::Access::REPORTER }.freeze
PRIVATE_FEATURES_MIN_ACCESS_LEVEL_FOR_PRIVATE_PROJECT = { repository: Gitlab::Access::REPORTER }.freeze
STRING_OPTIONS = HashWithIndifferentAccess.new({
'disabled' => DISABLED,
'private' => PRIVATE,
'enabled' => ENABLED,
'public' => PUBLIC
}).freeze
class << self
def access_level_attribute(feature)
feature = ensure_feature!(feature)
"#{feature}_access_level".to_sym
end
def quoted_access_level_column(feature)
attribute = connection.quote_column_name(access_level_attribute(feature))
table = connection.quote_table_name(table_name)
"#{table}.#{attribute}"
end
def required_minimum_access_level(feature)
feature = ensure_feature!(feature)
PRIVATE_FEATURES_MIN_ACCESS_LEVEL.fetch(feature, Gitlab::Access::GUEST)
end
# Guest users can perform certain features on public and internal projects, but not private projects.
def required_minimum_access_level_for_private_project(feature)
feature = ensure_feature!(feature)
PRIVATE_FEATURES_MIN_ACCESS_LEVEL_FOR_PRIVATE_PROJECT.fetch(feature) do
required_minimum_access_level(feature)
end
end
def access_level_from_str(level)
STRING_OPTIONS.fetch(level)
end
def str_from_access_level(level)
STRING_OPTIONS.key(level)
end
private
def ensure_feature!(feature)
feature = feature.model_name.plural if feature.respond_to?(:model_name)
feature = feature.to_sym
raise ArgumentError, "invalid project feature: #{feature}" unless FEATURES.include?(feature)
feature
end
end
# Default scopes force us to unscope here since a service may need to check
# permissions for a project in pending_delete
# http://stackoverflow.com/questions/1540645/how-to-disable-default-scope-for-a-belongs-to
belongs_to :project, -> { unscope(where: :pending_delete) }
validates :project, presence: true
validate :repository_children_level
validate :allowed_access_levels
default_value_for :builds_access_level, value: ENABLED, allows_nil: false
default_value_for :issues_access_level, value: ENABLED, allows_nil: false
default_value_for :forking_access_level, value: ENABLED, allows_nil: false
default_value_for :merge_requests_access_level, value: ENABLED, allows_nil: false
default_value_for :snippets_access_level, value: ENABLED, allows_nil: false
default_value_for :wiki_access_level, value: ENABLED, allows_nil: false
default_value_for :repository_access_level, value: ENABLED, allows_nil: false
default_value_for(:pages_access_level, allows_nil: false) do |feature|
if ::Gitlab::Pages.access_control_is_forced?
PRIVATE
else
feature.project&.public? ? ENABLED : PRIVATE
end
end
def feature_available?(feature, user)
# This feature might not be behind a feature flag at all, so default to true
return false unless ::Feature.enabled?(feature, user, default_enabled: true)
get_permission(user, feature)
end
def access_level(feature)
public_send(ProjectFeature.access_level_attribute(feature)) # rubocop:disable GitlabSecurity/PublicSend
end
def string_access_level(feature)
ProjectFeature.str_from_access_level(access_level(feature))
end
def builds_enabled?
builds_access_level > DISABLED
end
def wiki_enabled?
wiki_access_level > DISABLED
end
def merge_requests_enabled?
merge_requests_access_level > DISABLED
end
def forking_enabled?
forking_access_level > DISABLED
end
def issues_enabled?
issues_access_level > DISABLED
end
def pages_enabled?
pages_access_level > DISABLED
end
def public_pages?
return true unless Gitlab.config.pages.access_control
return false if ::Gitlab::Pages.access_control_is_forced?
pages_access_level == PUBLIC || pages_access_level == ENABLED && project.public?
end
def private_pages?
!public_pages?
end
private
# Validates builds and merge requests access level
# which cannot be higher than repository access level
def repository_children_level
validator = lambda do |field|
level = public_send(field) || ProjectFeature::ENABLED # rubocop:disable GitlabSecurity/PublicSend
not_allowed = level > repository_access_level
self.errors.add(field, "cannot have higher visibility level than repository access level") if not_allowed
end
%i(merge_requests_access_level builds_access_level).each(&validator)
end
# Validates access level for other than pages cannot be PUBLIC
def allowed_access_levels
validator = lambda do |field|
level = public_send(field) || ProjectFeature::ENABLED # rubocop:disable GitlabSecurity/PublicSend
not_allowed = level > ProjectFeature::ENABLED
self.errors.add(field, "cannot have public visibility level") if not_allowed
end
(FEATURES - %i(pages)).each {|f| validator.call("#{f}_access_level")}
end
def get_permission(user, feature)
case access_level(feature)
when DISABLED
false
when PRIVATE
team_access?(user, feature)
when ENABLED
true
when PUBLIC
true
else
true
end
end
def team_access?(user, feature)
return unless user
return true if user.can_read_all_resources?
project.team.member?(user, ProjectFeature.required_minimum_access_level(feature))
end
end
ProjectFeature.prepend_if_ee('EE::ProjectFeature')
|
