debian-mirror-gitlab/spec/graphql/features/authorization_spec.rb
2021-04-29 21:17:54 +05:30

410 lines
12 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe 'DeclarativePolicy authorization in GraphQL ' do
include GraphqlHelpers
include Graphql::ResolverFactories
let_it_be(:user) { create(:user) }
let(:permission_single) { :foo }
let(:permission_collection) { [:foo, :bar] }
let(:test_object) { double(name: 'My name') }
let(:authorizing_object) { test_object }
# to override when combining permissions
let(:permission_object_one) { authorizing_object }
let(:permission_object_two) { authorizing_object }
let(:query_string) { '{ item { name } }' }
let(:result) do
schema = empty_schema
execute_query(query_type, schema: schema)
end
subject { result.dig('data', 'item') }
shared_examples 'authorization with a single permission' do
it 'returns the protected field when user has permission' do
permit(permission_single)
expect(subject).to eq('name' => test_object.name)
end
it 'returns nil when user is not authorized' do
expect(subject).to be_nil
end
end
shared_examples 'authorization with a collection of permissions' do
it 'returns the protected field when user has all permissions' do
permit_on(permission_object_one, permission_collection.first)
permit_on(permission_object_two, permission_collection.second)
expect(subject).to eq('name' => test_object.name)
end
it 'returns nil when user only has one of the permissions' do
permit_on(permission_object_one, permission_collection.first)
expect(subject).to be_nil
end
it 'returns nil when user only has the other of the permissions' do
permit_on(permission_object_two, permission_collection.second)
expect(subject).to be_nil
end
it 'returns nil when user has neither of the required permissions' do
expect(subject).to be_nil
end
end
before do
# By default, disallow all permissions.
allow(Ability).to receive(:allowed?).and_return(false)
end
describe 'Field authorizations' do
let(:type) { type_factory }
let(:authorizing_object) { nil }
describe 'with a single permission' do
let(:query_type) do
query_factory do |query|
query.field :item, type, null: true, resolver: new_resolver(test_object), authorize: permission_single
end
end
include_examples 'authorization with a single permission'
end
describe 'with a collection of permissions' do
let(:query_type) do
permissions = permission_collection
query_factory do |qt|
qt.field :item, type,
null: true,
resolver: new_resolver(test_object),
authorize: permissions
end
end
include_examples 'authorization with a collection of permissions'
end
end
describe 'Field authorizations when field is a built in type' do
let(:query_type) do
query_factory do |query|
query.field :item, type, null: true, resolver: new_resolver(test_object)
end
end
describe 'with a single permission' do
let(:type) do
type_factory do |type|
type.field :name, GraphQL::STRING_TYPE, null: true, authorize: permission_single
end
end
it 'returns the protected field when user has permission' do
permit(permission_single)
expect(subject).to eq('name' => test_object.name)
end
it 'returns nil when user is not authorized' do
expect(subject).to eq('name' => nil)
end
end
describe 'with a collection of permissions' do
let(:type) do
permissions = permission_collection
type_factory do |type|
type.field :name, GraphQL::STRING_TYPE,
null: true,
authorize: permissions
end
end
it 'returns the protected field when user has all permissions' do
permit(*permission_collection)
expect(subject).to eq('name' => test_object.name)
end
it 'returns nil when user only has one of the permissions' do
permit(permission_collection.first)
expect(subject).to eq('name' => nil)
end
it 'returns nil when user only has none of the permissions' do
expect(subject).to eq('name' => nil)
end
end
end
describe 'Type authorizations' do
let(:query_type) do
query_factory do |query|
query.field :item, type, null: true, resolver: new_resolver(test_object)
end
end
describe 'with a single permission' do
let(:type) do
type_factory do |type|
type.authorize permission_single
end
end
include_examples 'authorization with a single permission'
end
describe 'with a collection of permissions' do
let(:type) do
type_factory do |type|
type.authorize permission_collection
end
end
include_examples 'authorization with a collection of permissions'
end
end
describe 'type and field authorizations together' do
let(:authorizing_object) { anything }
let(:permission_1) { permission_collection.first }
let(:permission_2) { permission_collection.last }
let(:type) do
type_factory do |type|
type.authorize permission_1
end
end
let(:query_type) do
query_factory do |query|
query.field :item, type, null: true, resolver: new_resolver(test_object), authorize: permission_2
end
end
include_examples 'authorization with a collection of permissions'
end
describe 'resolver and field authorizations together' do
let(:permission_1) { permission_collection.first }
let(:permission_2) { permission_collection.last }
let(:type) { type_factory }
let(:query_type) do
query_factory do |query|
query.field :item, type,
null: true,
resolver: resolver,
authorize: permission_2
end
end
context 'when the resolver authorizes the object' do
let(:permission_object_one) { be_nil }
let(:permission_object_two) { be_nil }
let(:resolver) do
resolver = simple_resolver(test_object)
resolver.include(::Gitlab::Graphql::Authorize::AuthorizeResource)
resolver.authorize permission_1
resolver.authorizes_object!
resolver
end
include_examples 'authorization with a collection of permissions'
end
context 'when the resolver does not authorize the object, but instead calls authorized_find!' do
let(:permission_object_one) { test_object }
let(:permission_object_two) { be_nil }
let(:resolver) do
resolver = new_resolver(test_object, method: :find_object)
resolver.authorize permission_1
resolver
end
include_examples 'authorization with a collection of permissions'
end
context 'when the resolver calls authorized_find!, but does not list any permissions' do
let(:permission_object_two) { be_nil }
let(:resolver) do
resolver = new_resolver(test_object, method: :find_object)
resolver
end
it 'raises a configuration error' do
permit_on(permission_object_two, permission_collection.second)
expect { execute_query(query_type) }
.to raise_error(::Gitlab::Graphql::Authorize::AuthorizeResource::ConfigurationError)
end
end
end
describe 'when type authorizations when applied to a relay connection' do
let(:query_string) { '{ item { edges { node { name } } } }' }
let(:second_test_object) { double(name: 'Second thing') }
let(:type) do
type_factory do |type|
type.authorize permission_single
end
end
let(:query_type) do
query_factory do |query|
query.field :item, type.connection_type, null: true, resolver: new_resolver([test_object, second_test_object])
end
end
subject { result.dig('data', 'item', 'edges') }
it 'returns only the elements visible to the user' do
permit(permission_single)
expect(subject.size).to eq 1
expect(subject.first['node']).to eq('name' => test_object.name)
end
it 'returns nil when user is not authorized' do
expect(subject).to be_empty
end
describe 'limiting connections with multiple objects' do
let(:query_type) do
query_factory do |query|
query.field :item, type.connection_type, null: true, resolver: new_resolver([test_object, second_test_object])
end
end
let(:query_string) { '{ item(first: 1) { edges { node { name } } } }' }
it 'only checks permissions for the first object' do
expect(Ability)
.to receive(:allowed?)
.with(user, permission_single, test_object)
.and_return(true)
expect(Ability)
.not_to receive(:allowed?).with(user, permission_single, second_test_object)
expect(subject.size).to eq(1)
end
end
end
describe 'type authorizations when applied to a basic connection' do
let(:type) do
type_factory do |type|
type.authorize permission_single
end
end
let(:query_type) do
query_factory do |query|
query.field :item, [type], null: true, resolver: new_resolver([test_object])
end
end
subject { result.dig('data', 'item', 0) }
include_examples 'authorization with a single permission'
end
describe 'Authorizations on active record relations' do
let!(:visible_project) { create(:project, :private) }
let!(:other_project) { create(:project, :private) }
let!(:visible_issues) { create_list(:issue, 2, project: visible_project) }
let!(:other_issues) { create_list(:issue, 2, project: other_project) }
let!(:user) { visible_project.owner }
let(:issue_type) do
type_factory do |type|
type.graphql_name 'FakeIssueType'
type.authorize :read_issue
type.field :id, GraphQL::ID_TYPE, null: false
end
end
let(:project_type) do |type|
issues = Issue.where(project: [visible_project, other_project]).order(id: :asc)
type_factory do |type|
type.graphql_name 'FakeProjectType'
type.field :test_issues, issue_type.connection_type,
null: false,
resolver: new_resolver(issues)
end
end
let(:query_type) do
query_factory do |query|
query.field :test_project, project_type, null: false, resolver: new_resolver(visible_project)
end
end
let(:query_string) do
<<~QRY
{ testProject { testIssues(first: 3) { edges { node { id } } } } }
QRY
end
before do
allow(Ability).to receive(:allowed?).and_call_original
end
it 'renders the issues the user has access to' do
issue_edges = result.dig('data', 'testProject', 'testIssues', 'edges')
issue_ids = issue_edges.map { |issue_edge| issue_edge['node']&.fetch('id') }
expect(issue_edges.size).to eq(visible_issues.size)
expect(issue_ids).to eq(visible_issues.map { |i| i.to_global_id.to_s })
end
it 'does not check access on fields that will not be rendered' do
expect(Ability).not_to receive(:allowed?).with(user, :read_issue, other_issues.last)
result
end
end
describe 'Authorization on GraphQL::Execution::Execute::SKIP' do
let(:type) do
type_factory do |type|
type.authorize permission_single
end
end
let(:query_type) do
query_factory do |query|
query.field :item, [type], null: true, resolver: new_resolver(GraphQL::Execution::Execute::SKIP)
end
end
it 'skips redaction' do
expect(Ability).not_to receive(:allowed?)
result
end
end
private
def permit(*permissions)
permit_on(authorizing_object, *permissions)
end
def permit_on(object, *permissions)
permissions.each do |permission|
allow(Ability).to receive(:allowed?).with(user, permission, object).and_return(true)
end
end
end