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require 'spec_helper'
describe Gitlab::Middleware::ReadOnly do
include Rack::Test::Methods
RSpec::Matchers.define :be_a_redirect do
match do |response|
response.status == 301
end
end
RSpec::Matchers.define :disallow_request do
match do |middleware|
alert = middleware.env['rack.session'].to_hash
.dig('flash', 'flashes', 'alert')
alert&.include?('You cannot perform write operations')
end
end
RSpec::Matchers.define :disallow_request_in_json do
match do |response|
json_response = JSON.parse(response.body)
response.body.include?('You cannot perform write operations') && json_response.key?('message')
end
end
let(:rack_stack) do
rack = Rack::Builder.new do
use ActionDispatch::Session::CacheStore
use ActionDispatch::Flash
use ActionDispatch::ParamsParser
end
rack.run(subject)
rack.to_app
end
let(:observe_env) do
Module.new do
attr_reader :env
def call(env)
@env = env
super
end
end
end
let(:request) { Rack::MockRequest.new(rack_stack) }
subject do
described_class.new(fake_app).tap do |app|
app.extend(observe_env)
end
end
context 'normal requests to a read-only Gitlab instance' do
let(:fake_app) { lambda { |env| [200, { 'Content-Type' => 'text/plain' }, ['OK']] } }
before do
allow(Gitlab::Database).to receive(:read_only?) { true }
end
it 'expects PATCH requests to be disallowed' do
response = request.patch('/test_request')
expect(response).to be_a_redirect
expect(subject).to disallow_request
end
it 'expects PUT requests to be disallowed' do
response = request.put('/test_request')
expect(response).to be_a_redirect
expect(subject).to disallow_request
end
it 'expects POST requests to be disallowed' do
response = request.post('/test_request')
expect(response).to be_a_redirect
expect(subject).to disallow_request
end
it 'expects a internal POST request to be allowed after a disallowed request' do
response = request.post('/test_request')
expect(response).to be_a_redirect
response = request.post("/api/#{API::API.version}/internal")
expect(response).not_to be_a_redirect
end
it 'expects DELETE requests to be disallowed' do
response = request.delete('/test_request')
expect(response).to be_a_redirect
expect(subject).to disallow_request
end
it 'expects POST of new file that looks like an LFS batch url to be disallowed' do
expect(Rails.application.routes).to receive(:recognize_path).and_call_original
response = request.post('/root/gitlab-ce/new/master/app/info/lfs/objects/batch')
expect(response).to be_a_redirect
expect(subject).to disallow_request
end
it 'returns last_vistited_url for disallowed request' do
response = request.post('/test_request')
expect(response.location).to eq 'http://localhost/'
end
context 'whitelisted requests' do
it 'expects a POST internal request to be allowed' do
expect(Rails.application.routes).not_to receive(:recognize_path)
response = request.post("/api/#{API::API.version}/internal")
expect(response).not_to be_a_redirect
expect(subject).not_to disallow_request
end
it 'expects a POST LFS request to batch URL to be allowed' do
expect(Rails.application.routes).to receive(:recognize_path).and_call_original
response = request.post('/root/rouge.git/info/lfs/objects/batch')
expect(response).not_to be_a_redirect
expect(subject).not_to disallow_request
end
it 'expects a POST request to git-upload-pack URL to be allowed' do
expect(Rails.application.routes).to receive(:recognize_path).and_call_original
response = request.post('/root/rouge.git/git-upload-pack')
expect(response).not_to be_a_redirect
expect(subject).not_to disallow_request
end
it 'expects requests to sidekiq admin to be allowed' do
response = request.post('/admin/sidekiq')
expect(response).not_to be_a_redirect
expect(subject).not_to disallow_request
response = request.get('/admin/sidekiq')
expect(response).not_to be_a_redirect
expect(subject).not_to disallow_request
end
end
end
context 'json requests to a read-only GitLab instance' do
let(:fake_app) { lambda { |env| [200, { 'Content-Type' => 'application/json' }, ['OK']] } }
let(:content_json) { { 'CONTENT_TYPE' => 'application/json' } }
before do
allow(Gitlab::Database).to receive(:read_only?) { true }
end
it 'expects PATCH requests to be disallowed' do
response = request.patch('/test_request', content_json)
expect(response).to disallow_request_in_json
end
it 'expects PUT requests to be disallowed' do
response = request.put('/test_request', content_json)
expect(response).to disallow_request_in_json
end
it 'expects POST requests to be disallowed' do
response = request.post('/test_request', content_json)
expect(response).to disallow_request_in_json
end
it 'expects DELETE requests to be disallowed' do
response = request.delete('/test_request', content_json)
expect(response).to disallow_request_in_json
end
end
end
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