362 lines
11 KiB
JavaScript
362 lines
11 KiB
JavaScript
require('../support/test_helper');
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const assert = require('../support/assert');
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const redis = require('redis');
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const RedisPool = require('redis-mpool');
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const cartodbRedis = require('cartodb-redis');
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const TestClient = require('../support/test-client');
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const UserLimitsBackend = require('../../lib/cartodb/backends/user-limits');
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const rateLimitMiddleware = require('../../lib/cartodb/api/middlewares/rate-limit');
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const { RATE_LIMIT_ENDPOINTS_GROUPS } = rateLimitMiddleware;
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let userLimitsApi;
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let rateLimit;
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let redisClient;
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let testClient;
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let keysToDelete = ['user:localhost:mapviews:global'];
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const user = 'localhost';
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let layergroupid;
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const query = `
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SELECT
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ST_Transform('SRID=4326;POINT(-70 42)'::geometry, 3857) the_geom_webmercator,
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1 cartodb_id,
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2 val
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`;
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const createMapConfig = ({
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version = '1.6.0',
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type = 'cartodb',
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sql = query,
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cartocss = TestClient.CARTOCSS.POINTS,
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cartocss_version = '2.3.0',
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interactivity = 'cartodb_id',
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countBy = 'cartodb_id'
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} = {}) => ({
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version,
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layers: [{
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type,
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options: {
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source: {
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id: 'a0'
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},
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cartocss,
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cartocss_version,
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interactivity
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}
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}],
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analyses: [
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{
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id: 'a0',
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type: 'source',
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params: {
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query: sql
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}
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}
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],
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dataviews: {
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count: {
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source: {
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id: 'a0'
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},
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type: 'formula',
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options: {
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column: countBy,
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operation: 'count'
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}
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}
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}
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});
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function setLimit(count, period, burst, endpoint = RATE_LIMIT_ENDPOINTS_GROUPS.ANONYMOUS) {
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redisClient.SELECT(8, err => {
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if (err) {
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return;
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}
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const key = `limits:rate:store:${user}:maps:${endpoint}`;
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redisClient.rpush(key, burst);
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redisClient.rpush(key, count);
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redisClient.rpush(key, period);
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keysToDelete.push(key);
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});
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}
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function getReqAndRes() {
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return {
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req: {},
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res: {
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headers: {},
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set(headers, value) {
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if(typeof headers === 'object') {
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this.headers = headers;
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} else {
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this.headers[headers] = value;
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}
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},
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locals: {
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user: 'localhost'
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}
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}
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};
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}
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function assertGetLayergroupRequest (status, limit, remaining, reset, retry, done) {
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let response = {
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status,
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headers: {
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'Content-Type': 'application/json; charset=utf-8',
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'Carto-Rate-Limit-Limit': limit,
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'Carto-Rate-Limit-Remaining': remaining,
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'Carto-Rate-Limit-Reset': reset
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}
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};
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if(retry) {
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response.headers['Retry-After'] = retry;
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}
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testClient.getLayergroup({ response }, err => {
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assert.ifError(err);
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if (done) {
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setTimeout(done, 1000);
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}
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});
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}
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function assertRateLimitRequest (status, limit, remaining, reset, retry, done) {
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const { req, res } = getReqAndRes();
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rateLimit(req, res, function (err) {
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let expectedHeaders = {
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"Carto-Rate-Limit-Limit": limit,
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"Carto-Rate-Limit-Remaining": remaining,
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"Carto-Rate-Limit-Reset": reset
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};
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if(retry) {
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expectedHeaders['Retry-After'] = retry;
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}
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assert.deepEqual(res.headers, expectedHeaders);
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if(status === 200) {
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assert.ifError(err);
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} else {
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assert.ok(err);
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assert.equal(err.message, 'You are over platform\'s limits: too many requests.' +
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' Please contact us to know more details');
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assert.equal(err.http_status, 429);
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assert.equal(err.type, 'limit');
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assert.equal(err.subtype, 'rate-limit');
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}
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if (done) {
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setTimeout(done, 1000);
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}
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});
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}
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describe('rate limit', function() {
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before(function() {
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global.environment.enabledFeatures.rateLimitsEnabled = true;
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global.environment.enabledFeatures.rateLimitsByEndpoint.anonymous = true;
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redisClient = redis.createClient(global.environment.redis.port);
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testClient = new TestClient(createMapConfig(), 1234);
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});
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after(function() {
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global.environment.enabledFeatures.rateLimitsEnabled = false;
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global.environment.enabledFeatures.rateLimitsByEndpoint.anonymous = false;
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});
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afterEach(function(done) {
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keysToDelete.forEach( key => {
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redisClient.del(key);
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});
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redisClient.SELECT(0, () => {
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redisClient.del('user:localhost:mapviews:global');
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redisClient.SELECT(5, () => {
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redisClient.del('user:localhost:mapviews:global');
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done();
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});
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});
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});
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it('should not be rate limited', function (done) {
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const count = 1;
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const period = 1;
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const burst = 1;
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setLimit(count, period, burst);
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assertGetLayergroupRequest(200, '2', '1', '1', null, done);
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});
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it("1 req/sec: 2 req/seg should be limited", function(done) {
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const count = 1;
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const period = 1;
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const burst = 1;
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setLimit(count, period, burst);
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assertGetLayergroupRequest(200, '2', '1', '1');
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setTimeout( () => assertGetLayergroupRequest(200, '2', '0', '1'), 250);
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setTimeout( () => assertGetLayergroupRequest(429, '2', '0', '1', '1'), 500);
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setTimeout( () => assertGetLayergroupRequest(429, '2', '0', '1', '1'), 750);
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setTimeout( () => assertGetLayergroupRequest(429, '2', '0', '1', '1'), 950);
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setTimeout( () => assertGetLayergroupRequest(200, '2', '0', '1', null, done), 1050);
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});
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});
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describe('rate limit middleware', function () {
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before(function (done) {
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global.environment.enabledFeatures.rateLimitsEnabled = true;
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global.environment.enabledFeatures.rateLimitsByEndpoint.anonymous = true;
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const redisPool = new RedisPool(global.environment.redis);
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const metadataBackend = cartodbRedis({ pool: redisPool });
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userLimitsApi = new UserLimitsBackend(metadataBackend, {
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limits: {
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rateLimitsEnabled: global.environment.enabledFeatures.rateLimitsEnabled
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}
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});
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rateLimit = rateLimitMiddleware(userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.ANONYMOUS);
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redisClient = redis.createClient(global.environment.redis.port);
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testClient = new TestClient(createMapConfig(), 1234);
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const count = 1;
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const period = 1;
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const burst = 0;
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setLimit(count, period, burst);
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setTimeout(done, 1000);
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});
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after(function () {
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global.environment.enabledFeatures.rateLimitsEnabled = false;
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global.environment.enabledFeatures.rateLimitsByEndpoint.anonymous = false;
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keysToDelete.forEach(key => {
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redisClient.del(key);
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});
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});
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it("1 req/sec: 2 req/seg should be limited", function (done) {
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assertRateLimitRequest(200, 1, 0, 1);
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setTimeout( () => assertRateLimitRequest(429, 1, 0, 0, 1), 250);
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setTimeout( () => assertRateLimitRequest(429, 1, 0, 0, 1), 500);
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setTimeout( () => assertRateLimitRequest(429, 1, 0, 0, 1), 750);
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setTimeout( () => assertRateLimitRequest(429, 1, 0, 0, 1), 950);
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setTimeout( () => assertRateLimitRequest(200, 1, 0, 1, null, done), 1050);
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});
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it("1 req/sec: 2 req/seg should be limited, removing SHA script from Redis", function (done) {
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userLimitsApi.metadataBackend.redisCmd(
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8,
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'SCRIPT',
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['FLUSH'],
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function () {
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assertRateLimitRequest(200, 1, 0, 1);
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setTimeout( () => assertRateLimitRequest(429, 1, 0, 0, 1), 500);
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setTimeout( () => assertRateLimitRequest(429, 1, 0, 0, 1), 500);
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setTimeout( () => assertRateLimitRequest(429, 1, 0, 0, 1), 750);
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setTimeout( () => assertRateLimitRequest(429, 1, 0, 0, 1), 950);
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setTimeout( () => assertRateLimitRequest(200, 1, 0, 1, null, done), 1050);
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}
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);
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});
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});
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describe('rate limit and vector tiles', function () {
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before(function(done) {
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global.environment.enabledFeatures.rateLimitsEnabled = true;
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global.environment.enabledFeatures.rateLimitsByEndpoint.tile = true;
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redisClient = redis.createClient(global.environment.redis.port);
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const count = 1;
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const period = 1;
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const burst = 0;
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setLimit(count, period, burst, RATE_LIMIT_ENDPOINTS_GROUPS.TILE);
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testClient = new TestClient(createMapConfig(), 1234);
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testClient.getLayergroup({status: 200}, (err, res) => {
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assert.ifError(err);
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layergroupid = res.layergroupid;
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done();
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});
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});
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after(function() {
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global.environment.enabledFeatures.rateLimitsEnabled = false;
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global.environment.enabledFeatures.rateLimitsByEndpoint.tile = false;
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});
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afterEach(function(done) {
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keysToDelete.forEach( key => {
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redisClient.del(key);
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});
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redisClient.SELECT(0, () => {
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redisClient.del('user:localhost:mapviews:global');
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redisClient.SELECT(5, () => {
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redisClient.del('user:localhost:mapviews:global');
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done();
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});
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});
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});
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it('mvt rate limited', function (done) {
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const tileParams = (status, limit, remaining, reset, retry, contentType) => {
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let headers = {
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"Content-Type": contentType,
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"Carto-Rate-Limit-Limit": limit,
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"Carto-Rate-Limit-Remaining": remaining,
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"Carto-Rate-Limit-Reset": reset
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};
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if (retry) {
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headers['Retry-After'] = retry;
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}
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return {
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layergroupid: layergroupid,
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format: 'mvt',
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response: {status, headers}
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};
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};
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testClient.getTile(0, 0, 0, tileParams(200, '1', '0', '1'), (err) => {
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assert.ifError(err);
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testClient.getTile(
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0,
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0,
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0,
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tileParams(429, '1', '0', '0', '1', 'application/x-protobuf'),
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(err, res, tile) => {
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assert.ifError(err);
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var tileJSON = tile.toJSON();
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assert.equal(Array.isArray(tileJSON), true);
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assert.equal(tileJSON.length, 2);
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assert.equal(tileJSON[0].name, 'errorTileSquareLayer');
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assert.equal(tileJSON[1].name, 'errorTileStripesLayer');
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done();
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}
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);
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});
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});
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});
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