trabajo-afectivo/spec/requests/channels_twitter_spec.rb
2022-01-01 14:38:12 +01:00

132 lines
4.8 KiB
Ruby

# Copyright (C) 2012-2022 Zammad Foundation, https://zammad-foundation.org/
require 'rails_helper'
RSpec.describe 'Twitter channel API endpoints', type: :request do
let!(:twitter_channel) { create(:twitter_channel) }
let(:twitter_credential) { ExternalCredential.find(twitter_channel.options[:auth][:external_credential_id]) }
let(:hash_signature) { %(sha256=#{Base64.strict_encode64(OpenSSL::HMAC.digest('sha256', consumer_secret, payload))}) }
let(:consumer_secret) { twitter_credential.credentials[:consumer_secret] }
# What's this all about? See the "Challenge-Response Checks" section of this article:
# https://developer.twitter.com/en/docs/accounts-and-users/subscribe-account-activity/guides/securing-webhooks
describe 'GET /api/v1/channels_twitter_webhook' do
let(:payload) { params[:crc_token] }
let(:params) { { crc_token: 'foo' } }
context 'with consumer secret and "crc_token" param' do
it 'responds with { response_token: <hash_signature> }' do
get '/api/v1/channels_twitter_webhook', params: params, as: :json
expect(json_response).to eq('response_token' => hash_signature)
end
end
context 'without valid twitter credentials in the DB' do
before do
twitter_credential.credentials.delete(:consumer_secret)
twitter_credential.save!
end
it 'responds 422 Unprocessable Entity' do
get '/api/v1/channels_twitter_webhook', params: params, as: :json
expect(response).to have_http_status(:unprocessable_entity)
end
end
context 'without "crc_token" param' do
before { params.delete(:crc_token) }
it 'responds 422 Unprocessable Entity' do
get '/api/v1/channels_twitter_webhook', params: params, as: :json
expect(response).to have_http_status(:unprocessable_entity)
end
end
end
describe 'POST /api/v1/channels_twitter_webhook' do
let(:payload) { params.stringify_keys.to_s.gsub(%r{=>}, ':').delete(' ') }
let(:headers) { { 'x-twitter-webhooks-signature': hash_signature } }
let(:params) { { foo: 'bar', for_user_id: twitter_channel.options[:user][:id] } }
# What's this all about? See the "Optional signature header validation" section of this article:
# https://developer.twitter.com/en/docs/accounts-and-users/subscribe-account-activity/guides/securing-webhooks
describe 'hash signature validation' do
context 'with valid params and headers (i.e., not one of the failure cases below)' do
it 'responds 200 OK' do
post '/api/v1/channels_twitter_webhook', params: params, headers: headers, as: :json
expect(response).to have_http_status(:ok)
end
end
describe '"x-twitter-webhooks-signature" header' do
context 'when absent' do
let(:headers) { {} }
it 'responds 422 Unprocessable Entity' do
post '/api/v1/channels_twitter_webhook', params: params, headers: headers, as: :json
expect(response).to have_http_status(:unprocessable_entity)
end
end
context 'when invalid (not based on consumer secret + payload)' do
let(:headers) { { 'x-twitter-webhooks-signature': 'Not a valid signature' } }
it 'responds 401 Not Authorized' do
post '/api/v1/channels_twitter_webhook', params: params, headers: headers, as: :json
expect(response).to have_http_status(:unauthorized)
end
end
end
describe '"for_user_id" param' do
context 'when absent' do
let(:params) { { foo: 'bar' } }
it 'responds 422 Unprocessable Entity' do
post '/api/v1/channels_twitter_webhook', params: params, headers: headers, as: :json
expect(response).to have_http_status(:unprocessable_entity)
end
end
context 'without corresponding Channel' do
let(:params) { { foo: 'bar', for_user_id: 'no_such_user' } }
it 'responds 422 Unprocessable Entity' do
post '/api/v1/channels_twitter_webhook', params: params, headers: headers, as: :json
expect(response).to have_http_status(:unprocessable_entity)
end
end
end
end
describe 'core behavior' do
before do
allow(TwitterSync).to receive(:new).and_return(twitter_sync)
allow(twitter_sync).to receive(:process_webhook)
end
let(:twitter_sync) { instance_double('TwitterSync') }
it 'delegates to TwitterSync#process_webhook' do
post '/api/v1/channels_twitter_webhook', params: params, headers: headers, as: :json
expect(twitter_sync).to have_received(:process_webhook).with(twitter_channel)
end
it 'responds with an empty hash' do
post '/api/v1/channels_twitter_webhook', params: params, headers: headers, as: :json
expect(json_response).to eq({})
end
end
end
end