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""" |
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""" |
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import json |
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import logging |
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import time |
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import unittest |
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import hiro |
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import mock |
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import redis |
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import datetime |
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from flask import Flask, Blueprint, request, current_app, make_response |
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from flask_restful import Resource, Api as RestfulApi |
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from flask.views import View, MethodView |
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from limits.errors import ConfigurationError |
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from limits.storage import MemcachedStorage |
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from limits.strategies import MovingWindowRateLimiter |
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from flask_limiter.extension import C, Limiter, HEADERS |
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from flask_limiter.util import get_remote_address, get_ipaddr |
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from tests import FlaskLimiterTestCase |
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class ConfigurationTests(FlaskLimiterTestCase): |
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def test_invalid_strategy(self): |
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app = Flask(__name__) |
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app.config.setdefault(C.STRATEGY, "fubar") |
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self.assertRaises( |
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ConfigurationError, Limiter, app, key_func=get_remote_address |
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) |
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def test_invalid_storage_string(self): |
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app = Flask(__name__) |
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app.config.setdefault(C.STORAGE_URL, "fubar://localhost:1234") |
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self.assertRaises( |
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ConfigurationError, Limiter, app, key_func=get_remote_address |
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) |
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def test_constructor_arguments_over_config(self): |
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app = Flask(__name__) |
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app.config.setdefault(C.STRATEGY, "fixed-window-elastic-expiry") |
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limiter = Limiter( |
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strategy='moving-window', key_func=get_remote_address |
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) |
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limiter.init_app(app) |
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app.config.setdefault(C.STORAGE_URL, "redis://localhost:6379") |
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self.assertEqual(type(limiter._limiter), MovingWindowRateLimiter) |
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limiter = Limiter( |
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storage_uri='memcached://localhost:11211', |
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key_func=get_remote_address |
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) |
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limiter.init_app(app) |
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self.assertEqual(type(limiter._storage), MemcachedStorage) |
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56
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View Code Duplication |
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class ErrorHandlingTests(FlaskLimiterTestCase): |
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def test_error_message(self): |
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app, limiter = self.build_app({C.GLOBAL_LIMITS: "1 per day"}) |
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@app.route("/") |
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def null(): |
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return "" |
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65
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with app.test_client() as cli: |
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cli.get("/") |
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self.assertTrue("1 per 1 day" in cli.get("/").data.decode()) |
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69
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@app.errorhandler(429) |
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def ratelimit_handler(e): |
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return make_response( |
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'{"error" : "rate limit %s"}' % str(e.description), 429 |
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) |
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self.assertEqual({ |
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'error': 'rate limit 1 per 1 day' |
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}, json.loads(cli.get("/").data.decode())) |
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def test_custom_error_message(self): |
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app, limiter = self.build_app() |
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@app.errorhandler(429) |
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def ratelimit_handler(e): |
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return make_response(e.description, 429) |
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86
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l1 = lambda: "1/second" |
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e1 = lambda: "dos" |
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@limiter.limit("1/second", error_message="uno") |
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@app.route("/t1") |
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def t1(): |
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return "1" |
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@limiter.limit(l1, error_message=e1) |
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@app.route("/t2") |
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def t2(): |
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return "2" |
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s1 = limiter.shared_limit( |
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"1/second", scope='error_message', error_message="tres" |
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) |
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@app.route("/t3") |
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@s1 |
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def t3(): |
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return "3" |
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with hiro.Timeline().freeze(): |
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with app.test_client() as cli: |
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cli.get("/t1") |
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resp = cli.get("/t1") |
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View Code Duplication |
self.assertEqual(429, resp.status_code) |
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self.assertEqual(resp.data, b'uno') |
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cli.get("/t2") |
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resp = cli.get("/t2") |
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self.assertEqual(429, resp.status_code) |
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self.assertEqual(resp.data, b'dos') |
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cli.get("/t3") |
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resp = cli.get("/t3") |
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self.assertEqual(429, resp.status_code) |
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self.assertEqual(resp.data, b'tres') |
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def test_swallow_error(self): |
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app, limiter = self.build_app({ |
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C.GLOBAL_LIMITS: "1 per day", |
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C.SWALLOW_ERRORS: True |
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}) |
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129
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@app.route("/") |
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def null(): |
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return "ok" |
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with app.test_client() as cli: |
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with mock.patch( |
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"limits.strategies.FixedWindowRateLimiter.hit" |
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View Code Duplication |
) as hit: |
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137
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138
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def raiser(*a, **k): |
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raise Exception |
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hit.side_effect = raiser |
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self.assertTrue("ok" in cli.get("/").data.decode()) |
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def test_no_swallow_error(self): |
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app, limiter = self.build_app({ |
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C.GLOBAL_LIMITS: "1 per day", |
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}) |
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149
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@app.route("/") |
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def null(): |
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return "ok" |
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153
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@app.errorhandler(500) |
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def e500(e): |
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return str(e), 500 |
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157
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with app.test_client() as cli: |
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with mock.patch( |
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"limits.strategies.FixedWindowRateLimiter.hit" |
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) as hit: |
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162
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def raiser(*a, **k): |
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raise Exception("underlying") |
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hit.side_effect = raiser |
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self.assertEqual(500, cli.get("/").status_code) |
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self.assertEqual("underlying", cli.get("/").data.decode()) |
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169
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def test_fallback_to_memory_config(self): |
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_, limiter = self.build_app( |
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config={C.ENABLED: True}, |
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default_limits=["5/minute"], |
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storage_uri="redis://localhost:6379", |
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in_memory_fallback=["1/minute"] |
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) |
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self.assertEqual(len(limiter._in_memory_fallback), 1) |
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178
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_, limiter = self.build_app( |
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config={C.ENABLED: True, |
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C.IN_MEMORY_FALLBACK: "1/minute"}, |
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default_limits=["5/minute"], |
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storage_uri="redis://localhost:6379", |
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) |
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self.assertEqual(len(limiter._in_memory_fallback), 1) |
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186
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def test_fallback_to_memory_backoff_check(self): |
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app, limiter = self.build_app( |
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188
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config={C.ENABLED: True}, |
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189
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default_limits=["5/minute"], |
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190
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storage_uri="redis://localhost:6379", |
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191
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in_memory_fallback=["1/minute"] |
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192
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) |
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193
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194
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@app.route("/t1") |
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195
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def t1(): |
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196
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return "test" |
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197
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198
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with app.test_client() as cli: |
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199
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200
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def raiser(*a): |
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201
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raise Exception("redis dead") |
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202
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203
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with hiro.Timeline() as timeline: |
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204
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with mock.patch( |
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205
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"redis.client.Redis.execute_command" |
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206
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) as exec_command: |
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exec_command.side_effect = raiser |
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self.assertEqual(cli.get("/t1").status_code, 200) |
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209
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self.assertEqual(cli.get("/t1").status_code, 429) |
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View Code Duplication |
timeline.forward(1) |
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211
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self.assertEqual(cli.get("/t1").status_code, 429) |
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212
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timeline.forward(2) |
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self.assertEqual(cli.get("/t1").status_code, 429) |
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214
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timeline.forward(4) |
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215
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self.assertEqual(cli.get("/t1").status_code, 429) |
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216
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timeline.forward(8) |
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217
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self.assertEqual(cli.get("/t1").status_code, 429) |
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218
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timeline.forward(16) |
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219
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self.assertEqual(cli.get("/t1").status_code, 429) |
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220
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timeline.forward(32) |
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221
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self.assertEqual(cli.get("/t1").status_code, 200) |
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222
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# redis back to normal, but exponential backoff will only |
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223
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# result in it being marked after pow(2,0) seconds and next |
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224
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# check |
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225
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self.assertEqual(cli.get("/t1").status_code, 429) |
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timeline.forward(2) |
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View Code Duplication |
self.assertEqual(cli.get("/t1").status_code, 200) |
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self.assertEqual(cli.get("/t1").status_code, 200) |
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229
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self.assertEqual(cli.get("/t1").status_code, 200) |
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self.assertEqual(cli.get("/t1").status_code, 200) |
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231
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self.assertEqual(cli.get("/t1").status_code, 200) |
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232
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self.assertEqual(cli.get("/t1").status_code, 429) |
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233
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234
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def test_fallback_to_memory(self): |
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235
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app, limiter = self.build_app( |
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236
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config={C.ENABLED: True}, |
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237
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default_limits=["5/minute"], |
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238
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storage_uri="redis://localhost:6379", |
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239
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in_memory_fallback=["1/minute"] |
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240
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) |
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241
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242
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@app.route("/t1") |
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243
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def t1(): |
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244
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return "test" |
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245
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246
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@app.route("/t2") |
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247
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@limiter.limit("3 per minute") |
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248
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def t2(): |
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249
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return "test" |
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250
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251
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with app.test_client() as cli: |
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252
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self.assertEqual(cli.get("/t1").status_code, 200) |
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253
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self.assertEqual(cli.get("/t1").status_code, 200) |
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254
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self.assertEqual(cli.get("/t1").status_code, 200) |
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255
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self.assertEqual(cli.get("/t1").status_code, 200) |
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256
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self.assertEqual(cli.get("/t1").status_code, 200) |
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257
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self.assertEqual(cli.get("/t1").status_code, 429) |
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258
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self.assertEqual(cli.get("/t2").status_code, 200) |
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259
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self.assertEqual(cli.get("/t2").status_code, 200) |
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260
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self.assertEqual(cli.get("/t2").status_code, 200) |
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261
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self.assertEqual(cli.get("/t2").status_code, 429) |
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262
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|
|
|
|
263
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def raiser(*a): |
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264
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raise Exception("redis dead") |
|
265
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|
|
|
|
266
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|
|
with mock.patch( |
|
267
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"redis.client.Redis.execute_command" |
|
268
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|
|
) as exec_command: |
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269
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exec_command.side_effect = raiser |
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270
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self.assertEqual(cli.get("/t1").status_code, 200) |
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271
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self.assertEqual(cli.get("/t1").status_code, 429) |
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272
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self.assertEqual(cli.get("/t2").status_code, 200) |
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273
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self.assertEqual(cli.get("/t2").status_code, 429) |
|
274
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# redis back to normal, go back to regular limits |
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275
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with hiro.Timeline() as timeline: |
|
276
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|
|
timeline.forward(2) |
|
277
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limiter._storage.storage.flushall() |
|
278
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self.assertEqual(cli.get("/t2").status_code, 200) |
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279
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self.assertEqual(cli.get("/t2").status_code, 200) |
|
280
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self.assertEqual(cli.get("/t2").status_code, 200) |
|
281
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self.assertEqual(cli.get("/t2").status_code, 429) |
|
282
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|
283
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|
|
|
284
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|
|
class DecoratorTests(FlaskLimiterTestCase): |
|
285
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|
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def test_multiple_decorators(self): |
|
286
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|
|
app, limiter = self.build_app(key_func=get_ipaddr) |
|
287
|
|
|
|
|
288
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|
|
@app.route("/t1") |
|
289
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|
|
@limiter.limit( |
|
290
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|
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"100 per minute", lambda: "test" |
|
291
|
|
|
) # effectively becomes a limit for all users |
|
292
|
|
|
@limiter.limit("50/minute") # per ip as per default key_func |
|
293
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|
|
def t1(): |
|
294
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|
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return "test" |
|
295
|
|
|
|
|
296
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
297
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|
|
with app.test_client() as cli: |
|
298
|
|
|
for i in range(0, 100): |
|
299
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|
|
self.assertEqual( |
|
300
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|
|
200 if i < 50 else 429, |
|
301
|
|
|
cli.get( |
|
302
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|
|
"/t1", headers={ |
|
303
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|
|
"X_FORWARDED_FOR": "127.0.0.2" |
|
304
|
|
|
} |
|
305
|
|
|
).status_code |
|
306
|
|
|
) |
|
307
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|
|
for i in range(50): |
|
308
|
|
|
self.assertEqual(200, cli.get("/t1").status_code) |
|
309
|
|
|
self.assertEqual(429, cli.get("/t1").status_code) |
|
310
|
|
|
self.assertEqual( |
|
311
|
|
|
429, |
|
312
|
|
|
cli.get("/t1", headers={ |
|
313
|
|
|
"X_FORWARDED_FOR": "127.0.0.3" |
|
314
|
|
|
}).status_code |
|
315
|
|
|
) |
|
316
|
|
|
|
|
317
|
|
View Code Duplication |
def test_exempt_routes(self): |
|
|
|
|
|
|
318
|
|
|
app, limiter = self.build_app(default_limits=["1/minute"]) |
|
319
|
|
|
|
|
320
|
|
|
@app.route("/t1") |
|
321
|
|
|
def t1(): |
|
322
|
|
|
return "test" |
|
323
|
|
|
|
|
324
|
|
|
@app.route("/t2") |
|
325
|
|
|
@limiter.exempt |
|
326
|
|
|
def t2(): |
|
327
|
|
|
return "test" |
|
328
|
|
|
|
|
329
|
|
|
with app.test_client() as cli: |
|
330
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
331
|
|
|
self.assertEqual(cli.get("/t1").status_code, 429) |
|
332
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
333
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
334
|
|
|
|
|
335
|
|
|
def test_decorated_dynamic_limits(self): |
|
336
|
|
|
app, limiter = self.build_app({ |
|
337
|
|
|
"X": "2 per second" |
|
338
|
|
|
}, |
|
339
|
|
|
default_limits=["1/second"]) |
|
340
|
|
|
|
|
341
|
|
|
def request_context_limit(): |
|
342
|
|
|
limits = { |
|
343
|
|
|
"127.0.0.1": "10 per minute", |
|
344
|
|
|
"127.0.0.2": "1 per minute" |
|
345
|
|
|
} |
|
346
|
|
|
remote_addr = (request.access_route and request.access_route[0] |
|
347
|
|
|
) or request.remote_addr or '127.0.0.1' |
|
348
|
|
|
limit = limits.setdefault(remote_addr, '1 per minute') |
|
349
|
|
|
return limit |
|
350
|
|
|
|
|
351
|
|
|
@app.route("/t1") |
|
352
|
|
|
@limiter.limit("20/day") |
|
353
|
|
|
@limiter.limit(lambda: current_app.config.get("X")) |
|
354
|
|
|
@limiter.limit(request_context_limit) |
|
355
|
|
|
def t1(): |
|
356
|
|
|
return "42" |
|
357
|
|
|
|
|
358
|
|
|
@app.route("/t2") |
|
359
|
|
|
@limiter.limit(lambda: current_app.config.get("X")) |
|
360
|
|
|
def t2(): |
|
361
|
|
|
return "42" |
|
362
|
|
|
|
|
363
|
|
|
R1 = {"X_FORWARDED_FOR": "127.0.0.1, 127.0.0.0"} |
|
364
|
|
|
R2 = {"X_FORWARDED_FOR": "127.0.0.2"} |
|
365
|
|
|
|
|
366
|
|
|
with app.test_client() as cli: |
|
367
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
368
|
|
|
for i in range(0, 10): |
|
369
|
|
|
self.assertEqual( |
|
370
|
|
|
cli.get("/t1", headers=R1).status_code, 200 |
|
371
|
|
|
) |
|
372
|
|
|
timeline.forward(1) |
|
373
|
|
|
self.assertEqual(cli.get("/t1", headers=R1).status_code, 429) |
|
374
|
|
|
self.assertEqual(cli.get("/t1", headers=R2).status_code, 200) |
|
375
|
|
|
self.assertEqual(cli.get("/t1", headers=R2).status_code, 429) |
|
376
|
|
|
timeline.forward(60) |
|
377
|
|
|
self.assertEqual(cli.get("/t1", headers=R2).status_code, 200) |
|
378
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
379
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
380
|
|
|
self.assertEqual(cli.get("/t2").status_code, 429) |
|
381
|
|
|
timeline.forward(1) |
|
382
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
383
|
|
|
|
|
384
|
|
|
def test_invalid_decorated_dynamic_limits(self): |
|
385
|
|
|
app = Flask(__name__) |
|
386
|
|
|
app.config.setdefault("X", "2 per sec") |
|
387
|
|
|
limiter = Limiter( |
|
388
|
|
|
app, default_limits=["1/second"], key_func=get_remote_address |
|
389
|
|
|
) |
|
390
|
|
|
mock_handler = mock.Mock() |
|
391
|
|
|
mock_handler.level = logging.INFO |
|
392
|
|
|
limiter.logger.addHandler(mock_handler) |
|
393
|
|
|
|
|
394
|
|
|
@app.route("/t1") |
|
395
|
|
|
@limiter.limit(lambda: current_app.config.get("X")) |
|
396
|
|
|
def t1(): |
|
397
|
|
|
return "42" |
|
398
|
|
|
|
|
399
|
|
|
with app.test_client() as cli: |
|
400
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
401
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
402
|
|
|
self.assertEqual(cli.get("/t1").status_code, 429) |
|
403
|
|
|
# 2 for invalid limit, 1 for warning. |
|
404
|
|
|
self.assertEqual(mock_handler.handle.call_count, 3) |
|
405
|
|
|
self.assertTrue( |
|
406
|
|
|
"failed to load ratelimit" in mock_handler.handle.call_args_list[0] |
|
407
|
|
|
[0][0].msg |
|
408
|
|
|
) |
|
409
|
|
|
self.assertTrue( |
|
410
|
|
|
"failed to load ratelimit" in mock_handler.handle.call_args_list[1] |
|
411
|
|
|
[0][0].msg |
|
412
|
|
|
) |
|
413
|
|
|
self.assertTrue( |
|
414
|
|
|
"exceeded at endpoint" in mock_handler.handle.call_args_list[2][0] |
|
415
|
|
|
[0].msg |
|
416
|
|
|
) |
|
417
|
|
|
|
|
418
|
|
|
def test_invalid_decorated_static_limits(self): |
|
419
|
|
|
app = Flask(__name__) |
|
420
|
|
|
limiter = Limiter( |
|
421
|
|
|
app, default_limits=["1/second"], key_func=get_remote_address |
|
422
|
|
|
) |
|
423
|
|
|
mock_handler = mock.Mock() |
|
424
|
|
|
mock_handler.level = logging.INFO |
|
425
|
|
|
limiter.logger.addHandler(mock_handler) |
|
426
|
|
|
|
|
427
|
|
|
@app.route("/t1") |
|
428
|
|
|
@limiter.limit("2/sec") |
|
429
|
|
|
def t1(): |
|
430
|
|
|
return "42" |
|
431
|
|
|
|
|
432
|
|
|
with app.test_client() as cli: |
|
433
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
434
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
435
|
|
|
self.assertEqual(cli.get("/t1").status_code, 429) |
|
436
|
|
|
self.assertTrue( |
|
437
|
|
|
"failed to configure" in mock_handler.handle.call_args_list[0][0] |
|
438
|
|
|
[0].msg |
|
439
|
|
|
) |
|
440
|
|
|
self.assertTrue( |
|
441
|
|
|
"exceeded at endpoint" in mock_handler.handle.call_args_list[1][0] |
|
442
|
|
|
[0].msg |
|
443
|
|
|
) |
|
444
|
|
|
|
|
445
|
|
|
def test_named_shared_limit(self): |
|
446
|
|
|
app, limiter = self.build_app() |
|
447
|
|
|
shared_limit_a = limiter.shared_limit("1/minute", scope='a') |
|
448
|
|
|
shared_limit_b = limiter.shared_limit("1/minute", scope='b') |
|
449
|
|
|
|
|
450
|
|
|
@app.route("/t1") |
|
451
|
|
|
@shared_limit_a |
|
452
|
|
|
def route1(): |
|
453
|
|
|
return "route1" |
|
454
|
|
|
|
|
455
|
|
|
@app.route("/t2") |
|
456
|
|
|
@shared_limit_a |
|
457
|
|
|
def route2(): |
|
458
|
|
|
return "route2" |
|
459
|
|
|
|
|
460
|
|
|
@app.route("/t3") |
|
461
|
|
|
@shared_limit_b |
|
462
|
|
|
def route3(): |
|
463
|
|
|
return "route3" |
|
464
|
|
|
|
|
465
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
466
|
|
|
with app.test_client() as cli: |
|
467
|
|
|
self.assertEqual(200, cli.get("/t1").status_code) |
|
468
|
|
|
self.assertEqual(200, cli.get("/t3").status_code) |
|
469
|
|
|
self.assertEqual(429, cli.get("/t2").status_code) |
|
470
|
|
|
|
|
471
|
|
|
def test_dynamic_shared_limit(self): |
|
472
|
|
|
app, limiter = self.build_app() |
|
473
|
|
|
fn_a = mock.Mock() |
|
474
|
|
|
fn_b = mock.Mock() |
|
475
|
|
|
fn_a.return_value = "foo" |
|
476
|
|
|
fn_b.return_value = "bar" |
|
477
|
|
|
|
|
478
|
|
|
dy_limit_a = limiter.shared_limit("1/minute", scope=fn_a) |
|
479
|
|
|
dy_limit_b = limiter.shared_limit("1/minute", scope=fn_b) |
|
480
|
|
|
|
|
481
|
|
|
@app.route("/t1") |
|
482
|
|
|
@dy_limit_a |
|
483
|
|
|
def t1(): |
|
484
|
|
|
return "route1" |
|
485
|
|
|
|
|
486
|
|
|
@app.route("/t2") |
|
487
|
|
|
@dy_limit_a |
|
488
|
|
|
def t2(): |
|
489
|
|
|
return "route2" |
|
490
|
|
|
|
|
491
|
|
|
@app.route("/t3") |
|
492
|
|
|
@dy_limit_b |
|
493
|
|
|
def t3(): |
|
494
|
|
|
return "route3" |
|
495
|
|
|
|
|
496
|
|
|
with hiro.Timeline().freeze(): |
|
497
|
|
|
with app.test_client() as cli: |
|
498
|
|
|
self.assertEqual(200, cli.get("/t1").status_code) |
|
499
|
|
|
self.assertEqual(200, cli.get("/t3").status_code) |
|
500
|
|
|
self.assertEqual(429, cli.get("/t2").status_code) |
|
501
|
|
|
self.assertEqual(429, cli.get("/t3").status_code) |
|
502
|
|
|
self.assertEqual(2, fn_a.call_count) |
|
503
|
|
|
self.assertEqual(2, fn_b.call_count) |
|
504
|
|
|
fn_b.assert_called_with("t3") |
|
505
|
|
|
fn_a.assert_has_calls([mock.call("t1"), mock.call("t2")]) |
|
506
|
|
|
|
|
507
|
|
View Code Duplication |
def test_conditional_limits(self): |
|
|
|
|
|
|
508
|
|
|
"""Test that the conditional activation of the limits work.""" |
|
509
|
|
|
app = Flask(__name__) |
|
510
|
|
|
limiter = Limiter(app, key_func=get_remote_address) |
|
511
|
|
|
|
|
512
|
|
|
@app.route("/limited") |
|
513
|
|
|
@limiter.limit("1 per day") |
|
514
|
|
|
def limited_route(): |
|
515
|
|
|
return "passed" |
|
516
|
|
|
|
|
517
|
|
|
@app.route("/unlimited") |
|
518
|
|
|
@limiter.limit("1 per day", exempt_when=lambda: True) |
|
519
|
|
|
def never_limited_route(): |
|
520
|
|
|
return "should always pass" |
|
521
|
|
|
|
|
522
|
|
|
is_exempt = False |
|
523
|
|
|
|
|
524
|
|
|
@app.route("/conditional") |
|
525
|
|
|
@limiter.limit("1 per day", exempt_when=lambda: is_exempt) |
|
526
|
|
|
def conditionally_limited_route(): |
|
527
|
|
|
return "conditional" |
|
528
|
|
|
|
|
529
|
|
|
with app.test_client() as cli: |
|
530
|
|
View Code Duplication |
self.assertEqual(cli.get("/limited").status_code, 200) |
|
|
|
|
|
|
531
|
|
|
self.assertEqual(cli.get("/limited").status_code, 429) |
|
532
|
|
|
|
|
533
|
|
|
self.assertEqual(cli.get("/unlimited").status_code, 200) |
|
534
|
|
|
self.assertEqual(cli.get("/unlimited").status_code, 200) |
|
535
|
|
|
|
|
536
|
|
|
self.assertEqual(cli.get("/conditional").status_code, 200) |
|
537
|
|
|
self.assertEqual(cli.get("/conditional").status_code, 429) |
|
538
|
|
|
is_exempt = True |
|
539
|
|
|
self.assertEqual(cli.get("/conditional").status_code, 200) |
|
540
|
|
|
is_exempt = False |
|
541
|
|
|
self.assertEqual(cli.get("/conditional").status_code, 429) |
|
542
|
|
|
|
|
543
|
|
|
def test_conditional_shared_limits(self): |
|
544
|
|
|
"""Test that conditional shared limits work.""" |
|
545
|
|
|
app = Flask(__name__) |
|
546
|
|
|
limiter = Limiter(app, key_func=get_remote_address) |
|
547
|
|
|
|
|
548
|
|
|
@app.route("/limited") |
|
549
|
|
View Code Duplication |
@limiter.shared_limit("1 per day", "test_scope") |
|
|
|
|
|
|
550
|
|
|
def limited_route(): |
|
551
|
|
|
return "passed" |
|
552
|
|
|
|
|
553
|
|
|
@app.route("/unlimited") |
|
554
|
|
|
@limiter.shared_limit( |
|
555
|
|
|
"1 per day", "test_scope", exempt_when=lambda: True |
|
556
|
|
|
) |
|
557
|
|
|
def never_limited_route(): |
|
558
|
|
|
return "should always pass" |
|
559
|
|
|
|
|
560
|
|
|
is_exempt = False |
|
561
|
|
|
|
|
562
|
|
|
@app.route("/conditional") |
|
563
|
|
|
@limiter.shared_limit( |
|
564
|
|
|
"1 per day", "test_scope", exempt_when=lambda: is_exempt |
|
565
|
|
|
) |
|
566
|
|
|
def conditionally_limited_route(): |
|
567
|
|
|
return "conditional" |
|
568
|
|
|
|
|
569
|
|
|
with app.test_client() as cli: |
|
570
|
|
|
self.assertEqual(cli.get("/unlimited").status_code, 200) |
|
571
|
|
View Code Duplication |
self.assertEqual(cli.get("/unlimited").status_code, 200) |
|
|
|
|
|
|
572
|
|
|
|
|
573
|
|
|
self.assertEqual(cli.get("/limited").status_code, 200) |
|
574
|
|
|
self.assertEqual(cli.get("/limited").status_code, 429) |
|
575
|
|
|
|
|
576
|
|
|
self.assertEqual(cli.get("/conditional").status_code, 429) |
|
577
|
|
|
is_exempt = True |
|
578
|
|
|
self.assertEqual(cli.get("/conditional").status_code, 200) |
|
579
|
|
|
is_exempt = False |
|
580
|
|
|
self.assertEqual(cli.get("/conditional").status_code, 429) |
|
581
|
|
|
|
|
582
|
|
|
def test_whitelisting(self): |
|
583
|
|
|
|
|
584
|
|
|
app = Flask(__name__) |
|
585
|
|
|
limiter = Limiter( |
|
586
|
|
|
app, |
|
587
|
|
|
default_limits=["1/minute"], |
|
588
|
|
|
headers_enabled=True, |
|
589
|
|
|
key_func=get_remote_address |
|
590
|
|
|
) |
|
591
|
|
|
|
|
592
|
|
|
@app.route("/") |
|
593
|
|
|
def t(): |
|
594
|
|
|
return "test" |
|
595
|
|
|
|
|
596
|
|
|
@limiter.request_filter |
|
597
|
|
|
def w(): |
|
598
|
|
|
if request.headers.get("internal", None) == "true": |
|
599
|
|
|
return True |
|
600
|
|
|
return False |
|
601
|
|
|
|
|
602
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
603
|
|
|
with app.test_client() as cli: |
|
604
|
|
|
self.assertEqual(cli.get("/").status_code, 200) |
|
605
|
|
|
self.assertEqual(cli.get("/").status_code, 429) |
|
606
|
|
|
timeline.forward(60) |
|
607
|
|
|
self.assertEqual(cli.get("/").status_code, 200) |
|
608
|
|
|
|
|
609
|
|
|
for i in range(0, 10): |
|
610
|
|
|
self.assertEqual( |
|
611
|
|
|
cli.get("/", headers={ |
|
612
|
|
|
"internal": "true" |
|
613
|
|
|
}).status_code, 200 |
|
614
|
|
|
) |
|
615
|
|
|
|
|
616
|
|
View Code Duplication |
def test_separate_method_limits(self): |
|
|
|
|
|
|
617
|
|
|
app, limiter = self.build_app() |
|
618
|
|
|
|
|
619
|
|
|
@limiter.limit("1/second", per_method=True) |
|
620
|
|
|
@app.route("/", methods=["GET", "POST"]) |
|
621
|
|
|
def root(): |
|
622
|
|
|
return "root" |
|
623
|
|
|
|
|
624
|
|
|
with hiro.Timeline(): |
|
625
|
|
|
with app.test_client() as cli: |
|
626
|
|
|
self.assertEqual(200, cli.get("/").status_code) |
|
627
|
|
|
self.assertEqual(429, cli.get("/").status_code) |
|
628
|
|
|
self.assertEqual(200, cli.post("/").status_code) |
|
629
|
|
|
self.assertEqual(429, cli.post("/").status_code) |
|
630
|
|
|
|
|
631
|
|
View Code Duplication |
def test_explicit_method_limits(self): |
|
|
|
|
|
|
632
|
|
|
app, limiter = self.build_app() |
|
633
|
|
|
|
|
634
|
|
|
@limiter.limit("1/second", methods=["GET"]) |
|
635
|
|
|
@app.route("/", methods=["GET", "POST"]) |
|
636
|
|
|
def root(): |
|
637
|
|
|
return "root" |
|
638
|
|
|
|
|
639
|
|
|
with hiro.Timeline(): |
|
640
|
|
|
with app.test_client() as cli: |
|
641
|
|
|
self.assertEqual(200, cli.get("/").status_code) |
|
642
|
|
|
self.assertEqual(429, cli.get("/").status_code) |
|
643
|
|
|
self.assertEqual(200, cli.post("/").status_code) |
|
644
|
|
|
self.assertEqual(200, cli.post("/").status_code) |
|
645
|
|
|
|
|
646
|
|
|
|
|
647
|
|
|
class BlueprintTests(FlaskLimiterTestCase): |
|
648
|
|
View Code Duplication |
def test_blueprint(self): |
|
|
|
|
|
|
649
|
|
|
app, limiter = self.build_app(default_limits=["1/minute"]) |
|
650
|
|
|
bp = Blueprint("main", __name__) |
|
651
|
|
|
|
|
652
|
|
|
@bp.route("/t1") |
|
653
|
|
|
def t1(): |
|
654
|
|
|
return "test" |
|
655
|
|
|
|
|
656
|
|
|
@bp.route("/t2") |
|
657
|
|
|
@limiter.limit("10 per minute") |
|
658
|
|
|
def t2(): |
|
659
|
|
|
return "test" |
|
660
|
|
|
|
|
661
|
|
|
app.register_blueprint(bp) |
|
662
|
|
|
|
|
663
|
|
|
with app.test_client() as cli: |
|
664
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
665
|
|
|
self.assertEqual(cli.get("/t1").status_code, 429) |
|
666
|
|
|
for i in range(0, 10): |
|
667
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
668
|
|
|
self.assertEqual(cli.get("/t2").status_code, 429) |
|
669
|
|
|
|
|
670
|
|
|
def test_register_blueprint(self): |
|
671
|
|
|
app, limiter = self.build_app(default_limits=["1/minute"]) |
|
672
|
|
|
bp_1 = Blueprint("bp1", __name__) |
|
673
|
|
|
bp_2 = Blueprint("bp2", __name__) |
|
674
|
|
|
bp_3 = Blueprint("bp3", __name__) |
|
675
|
|
|
bp_4 = Blueprint("bp4", __name__) |
|
676
|
|
|
|
|
677
|
|
|
@bp_1.route("/t1") |
|
678
|
|
|
def t1(): |
|
679
|
|
|
return "test" |
|
680
|
|
|
|
|
681
|
|
|
@bp_1.route("/t2") |
|
682
|
|
|
def t2(): |
|
683
|
|
|
return "test" |
|
684
|
|
|
|
|
685
|
|
|
@bp_2.route("/t3") |
|
686
|
|
|
def t3(): |
|
687
|
|
|
return "test" |
|
688
|
|
|
|
|
689
|
|
|
@bp_3.route("/t4") |
|
690
|
|
|
def t4(): |
|
691
|
|
|
return "test" |
|
692
|
|
|
|
|
693
|
|
|
@bp_4.route("/t5") |
|
694
|
|
|
def t4(): |
|
695
|
|
|
return "test" |
|
696
|
|
|
|
|
697
|
|
|
def dy_limit(): |
|
698
|
|
|
return "1/second" |
|
699
|
|
|
|
|
700
|
|
|
app.register_blueprint(bp_1) |
|
701
|
|
View Code Duplication |
app.register_blueprint(bp_2) |
|
|
|
|
|
|
702
|
|
|
app.register_blueprint(bp_3) |
|
703
|
|
|
app.register_blueprint(bp_4) |
|
704
|
|
|
|
|
705
|
|
|
limiter.limit("1/second")(bp_1) |
|
706
|
|
|
limiter.exempt(bp_3) |
|
707
|
|
|
limiter.limit(dy_limit)(bp_4) |
|
708
|
|
|
|
|
709
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
710
|
|
|
with app.test_client() as cli: |
|
711
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
712
|
|
|
self.assertEqual(cli.get("/t1").status_code, 429) |
|
713
|
|
|
timeline.forward(1) |
|
714
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
715
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
716
|
|
|
self.assertEqual(cli.get("/t2").status_code, 429) |
|
717
|
|
|
timeline.forward(1) |
|
718
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
719
|
|
|
|
|
720
|
|
|
self.assertEqual(cli.get("/t3").status_code, 200) |
|
721
|
|
|
for i in range(0, 10): |
|
722
|
|
|
timeline.forward(1) |
|
723
|
|
|
self.assertEqual(cli.get("/t3").status_code, 429) |
|
724
|
|
|
|
|
725
|
|
|
for i in range(0, 10): |
|
726
|
|
|
self.assertEqual(cli.get("/t4").status_code, 200) |
|
727
|
|
|
|
|
728
|
|
|
self.assertEqual(cli.get("/t5").status_code, 200) |
|
729
|
|
|
self.assertEqual(cli.get("/t5").status_code, 429) |
|
730
|
|
|
|
|
731
|
|
|
def test_invalid_decorated_static_limit_blueprint(self): |
|
732
|
|
|
app = Flask(__name__) |
|
733
|
|
|
limiter = Limiter( |
|
734
|
|
|
app, default_limits=["1/second"], key_func=get_remote_address |
|
735
|
|
|
) |
|
736
|
|
|
mock_handler = mock.Mock() |
|
737
|
|
|
mock_handler.level = logging.INFO |
|
738
|
|
|
limiter.logger.addHandler(mock_handler) |
|
739
|
|
|
bp = Blueprint("bp1", __name__) |
|
740
|
|
|
|
|
741
|
|
|
@bp.route("/t1") |
|
742
|
|
|
def t1(): |
|
743
|
|
|
return "42" |
|
744
|
|
|
|
|
745
|
|
|
limiter.limit("2/sec")(bp) |
|
746
|
|
|
app.register_blueprint(bp) |
|
747
|
|
|
|
|
748
|
|
|
with app.test_client() as cli: |
|
749
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
750
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
751
|
|
|
self.assertEqual(cli.get("/t1").status_code, 429) |
|
752
|
|
|
self.assertTrue( |
|
753
|
|
|
"failed to configure" in mock_handler.handle.call_args_list[0][0] |
|
754
|
|
|
[0].msg |
|
755
|
|
|
) |
|
756
|
|
|
self.assertTrue( |
|
757
|
|
|
"exceeded at endpoint" in mock_handler.handle.call_args_list[1][0] |
|
758
|
|
|
[0].msg |
|
759
|
|
|
) |
|
760
|
|
|
|
|
761
|
|
|
def test_invalid_decorated_dynamic_limits_blueprint(self): |
|
762
|
|
|
app = Flask(__name__) |
|
763
|
|
|
app.config.setdefault("X", "2 per sec") |
|
764
|
|
|
limiter = Limiter( |
|
765
|
|
|
app, default_limits=["1/second"], key_func=get_remote_address |
|
766
|
|
|
) |
|
767
|
|
|
mock_handler = mock.Mock() |
|
768
|
|
|
mock_handler.level = logging.INFO |
|
769
|
|
|
limiter.logger.addHandler(mock_handler) |
|
770
|
|
|
bp = Blueprint("bp1", __name__) |
|
771
|
|
|
|
|
772
|
|
|
@bp.route("/t1") |
|
773
|
|
|
def t1(): |
|
774
|
|
View Code Duplication |
return "42" |
|
|
|
|
|
|
775
|
|
|
|
|
776
|
|
|
limiter.limit(lambda: current_app.config.get("X"))(bp) |
|
777
|
|
|
app.register_blueprint(bp) |
|
778
|
|
|
|
|
779
|
|
|
with app.test_client() as cli: |
|
780
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
781
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
782
|
|
|
self.assertEqual(cli.get("/t1").status_code, 429) |
|
783
|
|
|
self.assertEqual(mock_handler.handle.call_count, 3) |
|
784
|
|
|
self.assertTrue( |
|
785
|
|
|
"failed to load ratelimit" in mock_handler.handle.call_args_list[0] |
|
786
|
|
|
[0][0].msg |
|
787
|
|
|
) |
|
788
|
|
|
self.assertTrue( |
|
789
|
|
|
"failed to load ratelimit" in mock_handler.handle.call_args_list[1] |
|
790
|
|
|
[0][0].msg |
|
791
|
|
|
) |
|
792
|
|
|
self.assertTrue( |
|
793
|
|
|
"exceeded at endpoint" in mock_handler.handle.call_args_list[2][0] |
|
794
|
|
|
[0].msg |
|
795
|
|
|
) |
|
796
|
|
|
|
|
797
|
|
|
class ViewsTests(FlaskLimiterTestCase): |
|
798
|
|
|
def test_pluggable_views(self): |
|
799
|
|
|
app, limiter = self.build_app(default_limits=["1/hour"]) |
|
800
|
|
|
|
|
801
|
|
|
class Va(View): |
|
802
|
|
|
methods = ['GET', 'POST'] |
|
803
|
|
|
decorators = [limiter.limit("2/second")] |
|
804
|
|
|
|
|
805
|
|
|
def dispatch_request(self): |
|
806
|
|
|
return request.method.lower() |
|
807
|
|
|
|
|
808
|
|
|
class Vb(View): |
|
809
|
|
|
methods = ['GET'] |
|
810
|
|
|
decorators = [limiter.limit("1/second, 3/minute")] |
|
811
|
|
|
|
|
812
|
|
|
def dispatch_request(self): |
|
813
|
|
|
return request.method.lower() |
|
814
|
|
|
|
|
815
|
|
|
class Vc(View): |
|
816
|
|
|
methods = ['GET'] |
|
817
|
|
|
|
|
818
|
|
|
def dispatch_request(self): |
|
819
|
|
|
return request.method.lower() |
|
820
|
|
|
|
|
821
|
|
|
app.add_url_rule("/a", view_func=Va.as_view("a")) |
|
822
|
|
|
app.add_url_rule("/b", view_func=Vb.as_view("b")) |
|
823
|
|
|
app.add_url_rule("/c", view_func=Vc.as_view("c")) |
|
824
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
825
|
|
|
with app.test_client() as cli: |
|
826
|
|
|
self.assertEqual(200, cli.get("/a").status_code) |
|
827
|
|
|
self.assertEqual(200, cli.get("/a").status_code) |
|
828
|
|
|
self.assertEqual(429, cli.post("/a").status_code) |
|
829
|
|
|
self.assertEqual(200, cli.get("/b").status_code) |
|
830
|
|
|
timeline.forward(1) |
|
831
|
|
|
self.assertEqual(200, cli.get("/b").status_code) |
|
832
|
|
|
timeline.forward(1) |
|
833
|
|
|
self.assertEqual(200, cli.get("/b").status_code) |
|
834
|
|
|
timeline.forward(1) |
|
835
|
|
|
self.assertEqual(429, cli.get("/b").status_code) |
|
836
|
|
|
self.assertEqual(200, cli.get("/c").status_code) |
|
837
|
|
|
self.assertEqual(429, cli.get("/c").status_code) |
|
838
|
|
|
|
|
839
|
|
|
def test_pluggable_method_views(self): |
|
840
|
|
|
app, limiter = self.build_app(default_limits=["1/hour"]) |
|
841
|
|
|
|
|
842
|
|
|
class Va(MethodView): |
|
843
|
|
|
decorators = [limiter.limit("2/second")] |
|
844
|
|
|
|
|
845
|
|
|
def get(self): |
|
846
|
|
|
return request.method.lower() |
|
847
|
|
|
|
|
848
|
|
|
def post(self): |
|
849
|
|
|
return request.method.lower() |
|
850
|
|
|
|
|
851
|
|
|
class Vb(MethodView): |
|
852
|
|
|
decorators = [limiter.limit("1/second, 3/minute")] |
|
853
|
|
|
|
|
854
|
|
|
def get(self): |
|
855
|
|
|
return request.method.lower() |
|
856
|
|
|
|
|
857
|
|
|
class Vc(MethodView): |
|
858
|
|
|
def get(self): |
|
859
|
|
|
return request.method.lower() |
|
860
|
|
|
|
|
861
|
|
|
class Vd(MethodView): |
|
862
|
|
|
decorators = [limiter.limit("1/minute", methods=['get'])] |
|
863
|
|
|
|
|
864
|
|
|
def get(self): |
|
865
|
|
|
return request.method.lower() |
|
866
|
|
|
|
|
867
|
|
|
def post(self): |
|
868
|
|
|
return request.method.lower() |
|
869
|
|
|
|
|
870
|
|
|
app.add_url_rule("/a", view_func=Va.as_view("a")) |
|
871
|
|
|
app.add_url_rule("/b", view_func=Vb.as_view("b")) |
|
872
|
|
|
app.add_url_rule("/c", view_func=Vc.as_view("c")) |
|
873
|
|
|
app.add_url_rule("/d", view_func=Vd.as_view("d")) |
|
874
|
|
|
|
|
875
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
876
|
|
|
with app.test_client() as cli: |
|
877
|
|
|
self.assertEqual(200, cli.get("/a").status_code) |
|
878
|
|
|
self.assertEqual(200, cli.get("/a").status_code) |
|
879
|
|
|
self.assertEqual(429, cli.get("/a").status_code) |
|
880
|
|
|
self.assertEqual(429, cli.post("/a").status_code) |
|
881
|
|
|
self.assertEqual(200, cli.get("/b").status_code) |
|
882
|
|
|
timeline.forward(1) |
|
883
|
|
|
self.assertEqual(200, cli.get("/b").status_code) |
|
884
|
|
|
timeline.forward(1) |
|
885
|
|
|
self.assertEqual(200, cli.get("/b").status_code) |
|
886
|
|
|
timeline.forward(1) |
|
887
|
|
|
self.assertEqual(429, cli.get("/b").status_code) |
|
888
|
|
|
self.assertEqual(200, cli.get("/c").status_code) |
|
889
|
|
|
self.assertEqual(429, cli.get("/c").status_code) |
|
890
|
|
|
self.assertEqual(200, cli.get("/d").status_code) |
|
891
|
|
|
self.assertEqual(429, cli.get("/d").status_code) |
|
892
|
|
|
self.assertEqual(200, cli.post("/d").status_code) |
|
893
|
|
|
self.assertEqual(200, cli.post("/d").status_code) |
|
894
|
|
|
|
|
895
|
|
|
def test_flask_restful_resource(self): |
|
896
|
|
|
app, limiter = self.build_app(default_limits=["1/hour"]) |
|
897
|
|
|
api = RestfulApi(app) |
|
898
|
|
|
|
|
899
|
|
|
class Va(Resource): |
|
900
|
|
|
decorators = [limiter.limit("2/second")] |
|
901
|
|
|
|
|
902
|
|
|
def get(self): |
|
903
|
|
|
return request.method.lower() |
|
904
|
|
|
|
|
905
|
|
|
def post(self): |
|
906
|
|
|
return request.method.lower() |
|
907
|
|
|
|
|
908
|
|
|
class Vb(Resource): |
|
909
|
|
|
decorators = [limiter.limit("1/second, 3/minute")] |
|
910
|
|
|
|
|
911
|
|
|
def get(self): |
|
912
|
|
|
return request.method.lower() |
|
913
|
|
|
|
|
914
|
|
|
class Vc(Resource): |
|
915
|
|
|
def get(self): |
|
916
|
|
|
return request.method.lower() |
|
917
|
|
|
|
|
918
|
|
|
api.add_resource(Va, "/a") |
|
919
|
|
|
api.add_resource(Vb, "/b") |
|
920
|
|
|
api.add_resource(Vc, "/c") |
|
921
|
|
|
|
|
922
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
923
|
|
|
with app.test_client() as cli: |
|
924
|
|
|
self.assertEqual(200, cli.get("/a").status_code) |
|
925
|
|
|
self.assertEqual(200, cli.get("/a").status_code) |
|
926
|
|
|
self.assertEqual(429, cli.get("/a").status_code) |
|
927
|
|
|
self.assertEqual(429, cli.post("/a").status_code) |
|
928
|
|
|
self.assertEqual(200, cli.get("/b").status_code) |
|
929
|
|
|
timeline.forward(1) |
|
930
|
|
|
self.assertEqual(200, cli.get("/b").status_code) |
|
931
|
|
|
timeline.forward(1) |
|
932
|
|
|
self.assertEqual(200, cli.get("/b").status_code) |
|
933
|
|
|
timeline.forward(1) |
|
934
|
|
|
self.assertEqual(429, cli.get("/b").status_code) |
|
935
|
|
|
self.assertEqual(200, cli.get("/c").status_code) |
|
936
|
|
|
self.assertEqual(429, cli.get("/c").status_code) |
|
937
|
|
|
|
|
938
|
|
|
|
|
939
|
|
|
class FlaskExtTests(FlaskLimiterTestCase): |
|
940
|
|
|
def test_reset(self): |
|
941
|
|
|
app, limiter = self.build_app({C.GLOBAL_LIMITS: "1 per day"}) |
|
942
|
|
|
|
|
943
|
|
|
@app.route("/") |
|
944
|
|
|
def null(): |
|
945
|
|
|
return "Hello Reset" |
|
946
|
|
|
|
|
947
|
|
|
with app.test_client() as cli: |
|
948
|
|
|
cli.get("/") |
|
949
|
|
|
self.assertTrue("1 per 1 day" in cli.get("/").data.decode()) |
|
950
|
|
|
limiter.reset() |
|
951
|
|
|
self.assertEqual("Hello Reset", cli.get("/").data.decode()) |
|
952
|
|
|
self.assertTrue("1 per 1 day" in cli.get("/").data.decode()) |
|
953
|
|
|
|
|
954
|
|
View Code Duplication |
def test_combined_rate_limits(self): |
|
|
|
|
|
|
955
|
|
|
app, limiter = self.build_app({ |
|
956
|
|
|
C.GLOBAL_LIMITS: "1 per hour; 10 per day" |
|
957
|
|
|
}) |
|
958
|
|
|
|
|
959
|
|
|
@app.route("/t1") |
|
960
|
|
|
@limiter.limit("100 per hour;10/minute") |
|
961
|
|
|
def t1(): |
|
962
|
|
|
return "t1" |
|
963
|
|
|
|
|
964
|
|
|
@app.route("/t2") |
|
965
|
|
|
def t2(): |
|
966
|
|
|
return "t2" |
|
967
|
|
|
|
|
968
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
969
|
|
|
with app.test_client() as cli: |
|
970
|
|
|
self.assertEqual(200, cli.get("/t1").status_code) |
|
971
|
|
|
self.assertEqual(200, cli.get("/t2").status_code) |
|
972
|
|
|
self.assertEqual(429, cli.get("/t2").status_code) |
|
973
|
|
|
|
|
974
|
|
|
def test_key_func(self): |
|
975
|
|
|
app, limiter = self.build_app() |
|
976
|
|
|
|
|
977
|
|
|
@app.route("/t1") |
|
978
|
|
|
@limiter.limit("100 per minute", lambda: "test") |
|
979
|
|
|
def t1(): |
|
980
|
|
|
return "test" |
|
981
|
|
|
|
|
982
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
983
|
|
|
with app.test_client() as cli: |
|
984
|
|
|
for i in range(0, 100): |
|
985
|
|
|
self.assertEqual( |
|
986
|
|
|
200, |
|
987
|
|
|
cli.get( |
|
988
|
|
|
"/t1", headers={ |
|
989
|
|
|
"X_FORWARDED_FOR": "127.0.0.2" |
|
990
|
|
|
} |
|
991
|
|
|
).status_code |
|
992
|
|
|
) |
|
993
|
|
|
self.assertEqual(429, cli.get("/t1").status_code) |
|
994
|
|
|
|
|
995
|
|
|
def test_logging(self): |
|
996
|
|
|
app = Flask(__name__) |
|
997
|
|
|
limiter = Limiter(app, key_func=get_remote_address) |
|
998
|
|
|
mock_handler = mock.Mock() |
|
999
|
|
|
mock_handler.level = logging.INFO |
|
1000
|
|
|
limiter.logger.addHandler(mock_handler) |
|
1001
|
|
|
|
|
1002
|
|
|
@app.route("/t1") |
|
1003
|
|
|
@limiter.limit("1/minute") |
|
1004
|
|
|
def t1(): |
|
1005
|
|
|
return "test" |
|
1006
|
|
|
|
|
1007
|
|
|
with app.test_client() as cli: |
|
1008
|
|
|
self.assertEqual(200, cli.get("/t1").status_code) |
|
1009
|
|
|
self.assertEqual(429, cli.get("/t1").status_code) |
|
1010
|
|
|
self.assertEqual(mock_handler.handle.call_count, 1) |
|
1011
|
|
|
|
|
1012
|
|
|
def test_reuse_logging(self): |
|
1013
|
|
|
app = Flask(__name__) |
|
1014
|
|
|
app_handler = mock.Mock() |
|
1015
|
|
|
app_handler.level = logging.INFO |
|
1016
|
|
|
app.logger.addHandler(app_handler) |
|
1017
|
|
|
limiter = Limiter(app, key_func=get_remote_address) |
|
1018
|
|
|
for handler in app.logger.handlers: |
|
1019
|
|
|
limiter.logger.addHandler(handler) |
|
1020
|
|
|
|
|
1021
|
|
|
@app.route("/t1") |
|
1022
|
|
|
@limiter.limit("1/minute") |
|
1023
|
|
|
def t1(): |
|
1024
|
|
|
return "42" |
|
1025
|
|
|
|
|
1026
|
|
|
with app.test_client() as cli: |
|
1027
|
|
|
cli.get("/t1") |
|
1028
|
|
|
cli.get("/t1") |
|
1029
|
|
|
|
|
1030
|
|
|
self.assertEqual(app_handler.handle.call_count, 1) |
|
1031
|
|
|
|
|
1032
|
|
View Code Duplication |
def test_disabled_flag(self): |
|
|
|
|
|
|
1033
|
|
|
app, limiter = self.build_app( |
|
1034
|
|
|
config={C.ENABLED: False}, default_limits=["1/minute"] |
|
1035
|
|
|
) |
|
1036
|
|
|
|
|
1037
|
|
|
@app.route("/t1") |
|
1038
|
|
|
def t1(): |
|
1039
|
|
|
return "test" |
|
1040
|
|
|
|
|
1041
|
|
|
@app.route("/t2") |
|
1042
|
|
|
@limiter.limit("10 per minute") |
|
1043
|
|
|
def t2(): |
|
1044
|
|
|
return "test" |
|
1045
|
|
|
|
|
1046
|
|
|
with app.test_client() as cli: |
|
1047
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
1048
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
1049
|
|
|
for i in range(0, 10): |
|
1050
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
1051
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
1052
|
|
|
|
|
1053
|
|
|
|
|
1054
|
|
|
def test_multiple_apps(self): |
|
1055
|
|
|
app1 = Flask(__name__) |
|
1056
|
|
|
app2 = Flask(__name__) |
|
1057
|
|
|
|
|
1058
|
|
|
limiter = Limiter( |
|
1059
|
|
|
default_limits=["1/second"], key_func=get_remote_address |
|
1060
|
|
|
) |
|
1061
|
|
|
limiter.init_app(app1) |
|
1062
|
|
|
limiter.init_app(app2) |
|
1063
|
|
|
|
|
1064
|
|
|
@app1.route("/ping") |
|
1065
|
|
|
def ping(): |
|
1066
|
|
|
return "PONG" |
|
1067
|
|
|
|
|
1068
|
|
|
@app1.route("/slowping") |
|
1069
|
|
|
@limiter.limit("1/minute") |
|
1070
|
|
|
def slow_ping(): |
|
1071
|
|
|
return "PONG" |
|
1072
|
|
|
|
|
1073
|
|
|
@app2.route("/ping") |
|
1074
|
|
|
@limiter.limit("2/second") |
|
1075
|
|
|
def ping_2(): |
|
1076
|
|
|
return "PONG" |
|
1077
|
|
|
|
|
1078
|
|
|
@app2.route("/slowping") |
|
1079
|
|
|
@limiter.limit("2/minute") |
|
1080
|
|
|
def slow_ping_2(): |
|
1081
|
|
|
return "PONG" |
|
1082
|
|
|
|
|
1083
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
1084
|
|
|
with app1.test_client() as cli: |
|
1085
|
|
|
self.assertEqual(cli.get("/ping").status_code, 200) |
|
1086
|
|
|
self.assertEqual(cli.get("/ping").status_code, 429) |
|
1087
|
|
|
timeline.forward(1) |
|
1088
|
|
|
self.assertEqual(cli.get("/ping").status_code, 200) |
|
1089
|
|
|
self.assertEqual(cli.get("/slowping").status_code, 200) |
|
1090
|
|
|
timeline.forward(59) |
|
1091
|
|
|
self.assertEqual(cli.get("/slowping").status_code, 429) |
|
1092
|
|
|
timeline.forward(1) |
|
1093
|
|
|
self.assertEqual(cli.get("/slowping").status_code, 200) |
|
1094
|
|
|
with app2.test_client() as cli: |
|
1095
|
|
|
self.assertEqual(cli.get("/ping").status_code, 200) |
|
1096
|
|
|
self.assertEqual(cli.get("/ping").status_code, 200) |
|
1097
|
|
|
self.assertEqual(cli.get("/ping").status_code, 429) |
|
1098
|
|
|
timeline.forward(1) |
|
1099
|
|
|
self.assertEqual(cli.get("/ping").status_code, 200) |
|
1100
|
|
|
self.assertEqual(cli.get("/slowping").status_code, 200) |
|
1101
|
|
|
timeline.forward(59) |
|
1102
|
|
|
self.assertEqual(cli.get("/slowping").status_code, 200) |
|
1103
|
|
|
self.assertEqual(cli.get("/slowping").status_code, 429) |
|
1104
|
|
|
timeline.forward(1) |
|
1105
|
|
|
self.assertEqual(cli.get("/slowping").status_code, 200) |
|
1106
|
|
|
|
|
1107
|
|
|
def test_headers_no_breach(self): |
|
1108
|
|
|
app = Flask(__name__) |
|
1109
|
|
|
limiter = Limiter( |
|
1110
|
|
|
app, |
|
1111
|
|
|
default_limits=["10/minute"], |
|
1112
|
|
|
headers_enabled=True, |
|
1113
|
|
|
key_func=get_remote_address |
|
1114
|
|
|
) |
|
1115
|
|
|
|
|
1116
|
|
|
@app.route("/t1") |
|
1117
|
|
|
def t1(): |
|
1118
|
|
|
return "test" |
|
1119
|
|
|
|
|
1120
|
|
|
@app.route("/t2") |
|
1121
|
|
|
@limiter.limit("2/second; 5 per minute; 10/hour") |
|
1122
|
|
|
def t2(): |
|
1123
|
|
|
return "test" |
|
1124
|
|
|
|
|
1125
|
|
|
with hiro.Timeline().freeze(): |
|
1126
|
|
|
with app.test_client() as cli: |
|
1127
|
|
|
resp = cli.get("/t1") |
|
1128
|
|
|
self.assertEqual(resp.headers.get('X-RateLimit-Limit'), '10') |
|
1129
|
|
|
self.assertEqual( |
|
1130
|
|
|
resp.headers.get('X-RateLimit-Remaining'), '9' |
|
1131
|
|
|
) |
|
1132
|
|
|
self.assertEqual( |
|
1133
|
|
|
resp.headers.get('X-RateLimit-Reset'), |
|
1134
|
|
|
str(int(time.time() + 61)) |
|
1135
|
|
|
) |
|
1136
|
|
|
self.assertEqual(resp.headers.get('Retry-After'), str(60)) |
|
1137
|
|
|
resp = cli.get("/t2") |
|
1138
|
|
|
self.assertEqual(resp.headers.get('X-RateLimit-Limit'), '2') |
|
1139
|
|
|
self.assertEqual( |
|
1140
|
|
|
resp.headers.get('X-RateLimit-Remaining'), '1' |
|
1141
|
|
|
) |
|
1142
|
|
|
self.assertEqual( |
|
1143
|
|
|
resp.headers.get('X-RateLimit-Reset'), |
|
1144
|
|
|
str(int(time.time() + 2)) |
|
1145
|
|
|
) |
|
1146
|
|
|
|
|
1147
|
|
|
self.assertEqual(resp.headers.get('Retry-After'), str(1)) |
|
1148
|
|
|
|
|
1149
|
|
|
def test_headers_breach(self): |
|
1150
|
|
|
app = Flask(__name__) |
|
1151
|
|
|
limiter = Limiter( |
|
1152
|
|
|
app, |
|
1153
|
|
|
default_limits=["10/minute"], |
|
1154
|
|
|
headers_enabled=True, |
|
1155
|
|
|
key_func=get_remote_address |
|
1156
|
|
|
) |
|
1157
|
|
|
|
|
1158
|
|
|
@app.route("/t1") |
|
1159
|
|
|
@limiter.limit("2/second; 10 per minute; 20/hour") |
|
1160
|
|
|
def t(): |
|
1161
|
|
|
return "test" |
|
1162
|
|
|
|
|
1163
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
1164
|
|
|
with app.test_client() as cli: |
|
1165
|
|
|
for i in range(11): |
|
1166
|
|
|
resp = cli.get("/t1") |
|
1167
|
|
|
timeline.forward(1) |
|
1168
|
|
|
|
|
1169
|
|
|
self.assertEqual(resp.headers.get('X-RateLimit-Limit'), '10') |
|
1170
|
|
|
self.assertEqual( |
|
1171
|
|
|
resp.headers.get('X-RateLimit-Remaining'), '0' |
|
1172
|
|
|
) |
|
1173
|
|
|
self.assertEqual( |
|
1174
|
|
|
resp.headers.get('X-RateLimit-Reset'), |
|
1175
|
|
|
str(int(time.time() + 50)) |
|
1176
|
|
|
) |
|
1177
|
|
|
self.assertEqual(resp.headers.get('Retry-After'), str(int(50))) |
|
1178
|
|
|
|
|
1179
|
|
|
def test_retry_after(self): |
|
1180
|
|
|
app = Flask(__name__) |
|
1181
|
|
|
_ = Limiter( |
|
1182
|
|
|
app, |
|
1183
|
|
|
default_limits=["1/minute"], |
|
1184
|
|
|
headers_enabled=True, |
|
1185
|
|
|
key_func=get_remote_address |
|
1186
|
|
|
) |
|
1187
|
|
|
|
|
1188
|
|
|
@app.route("/t1") |
|
1189
|
|
|
def t(): |
|
1190
|
|
|
return "test" |
|
1191
|
|
|
|
|
1192
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
1193
|
|
|
with app.test_client() as cli: |
|
1194
|
|
|
resp = cli.get("/t1") |
|
1195
|
|
|
retry_after = int(resp.headers.get('Retry-After')) |
|
1196
|
|
|
self.assertTrue(retry_after > 0) |
|
1197
|
|
|
timeline.forward(retry_after) |
|
1198
|
|
|
resp = cli.get("/t1") |
|
1199
|
|
|
self.assertEqual(resp.status_code, 200) |
|
1200
|
|
|
|
|
1201
|
|
|
def test_custom_headers_from_setter(self): |
|
1202
|
|
|
app = Flask(__name__) |
|
1203
|
|
|
limiter = Limiter( |
|
1204
|
|
|
app, |
|
1205
|
|
|
default_limits=["10/minute"], |
|
1206
|
|
|
headers_enabled=True, |
|
1207
|
|
|
key_func=get_remote_address, |
|
1208
|
|
|
retry_after='http-date' |
|
1209
|
|
|
) |
|
1210
|
|
|
limiter._header_mapping[HEADERS.RESET] = 'X-Reset' |
|
1211
|
|
|
limiter._header_mapping[HEADERS.LIMIT] = 'X-Limit' |
|
1212
|
|
|
limiter._header_mapping[HEADERS.REMAINING] = 'X-Remaining' |
|
1213
|
|
|
|
|
1214
|
|
|
@app.route("/t1") |
|
1215
|
|
|
@limiter.limit("2/second; 10 per minute; 20/hour") |
|
1216
|
|
|
def t(): |
|
1217
|
|
|
return "test" |
|
1218
|
|
|
|
|
1219
|
|
|
with hiro.Timeline().freeze(0) as timeline: |
|
1220
|
|
|
with app.test_client() as cli: |
|
1221
|
|
|
for i in range(11): |
|
1222
|
|
|
resp = cli.get("/t1") |
|
1223
|
|
|
timeline.forward(1) |
|
1224
|
|
|
|
|
1225
|
|
|
self.assertEqual(resp.headers.get('X-Limit'), '10') |
|
1226
|
|
|
self.assertEqual(resp.headers.get('X-Remaining'), '0') |
|
1227
|
|
|
self.assertEqual( |
|
1228
|
|
|
resp.headers.get('X-Reset'), str(int(time.time() + 50)) |
|
1229
|
|
|
) |
|
1230
|
|
|
self.assertEqual( |
|
1231
|
|
|
resp.headers.get('Retry-After'), |
|
1232
|
|
|
'Thu, 01 Jan 1970 00:01:01 GMT' |
|
1233
|
|
|
) |
|
1234
|
|
|
|
|
1235
|
|
|
def test_custom_headers_from_config(self): |
|
1236
|
|
|
app = Flask(__name__) |
|
1237
|
|
|
app.config.setdefault(C.HEADER_LIMIT, "X-Limit") |
|
1238
|
|
|
app.config.setdefault(C.HEADER_REMAINING, "X-Remaining") |
|
1239
|
|
|
app.config.setdefault(C.HEADER_RESET, "X-Reset") |
|
1240
|
|
|
limiter = Limiter( |
|
1241
|
|
|
app, |
|
1242
|
|
|
default_limits=["10/minute"], |
|
1243
|
|
|
headers_enabled=True, |
|
1244
|
|
|
key_func=get_remote_address |
|
1245
|
|
|
) |
|
1246
|
|
|
|
|
1247
|
|
|
@app.route("/t1") |
|
1248
|
|
|
@limiter.limit("2/second; 10 per minute; 20/hour") |
|
1249
|
|
|
def t(): |
|
1250
|
|
|
return "test" |
|
1251
|
|
|
|
|
1252
|
|
|
with hiro.Timeline().freeze() as timeline: |
|
1253
|
|
|
with app.test_client() as cli: |
|
1254
|
|
|
for i in range(11): |
|
1255
|
|
|
resp = cli.get("/t1") |
|
1256
|
|
|
timeline.forward(1) |
|
1257
|
|
|
|
|
1258
|
|
|
self.assertEqual(resp.headers.get('X-Limit'), '10') |
|
1259
|
|
|
self.assertEqual(resp.headers.get('X-Remaining'), '0') |
|
1260
|
|
|
self.assertEqual( |
|
1261
|
|
|
resp.headers.get('X-Reset'), str(int(time.time() + 50)) |
|
1262
|
|
|
) |
|
1263
|
|
|
|
|
1264
|
|
View Code Duplication |
def test_application_shared_limit(self): |
|
|
|
|
|
|
1265
|
|
|
app, limiter = self.build_app(application_limits=["2/minute"]) |
|
1266
|
|
|
|
|
1267
|
|
|
@app.route("/t1") |
|
1268
|
|
|
def t1(): |
|
1269
|
|
|
return "route1" |
|
1270
|
|
|
|
|
1271
|
|
|
@app.route("/t2") |
|
1272
|
|
|
def t2(): |
|
1273
|
|
|
return "route2" |
|
1274
|
|
|
|
|
1275
|
|
|
with hiro.Timeline().freeze(): |
|
1276
|
|
|
with app.test_client() as cli: |
|
1277
|
|
|
self.assertEqual(200, cli.get("/t1").status_code) |
|
1278
|
|
|
self.assertEqual(200, cli.get("/t2").status_code) |
|
1279
|
|
|
self.assertEqual(429, cli.get("/t1").status_code) |
|
1280
|
|
|
|
|
1281
|
|
View Code Duplication |
def test_callable_default_limit(self): |
|
|
|
|
|
|
1282
|
|
|
app, limiter = self.build_app(default_limits=[lambda: "1/minute"]) |
|
1283
|
|
|
|
|
1284
|
|
|
@app.route("/t1") |
|
1285
|
|
|
def t1(): |
|
1286
|
|
|
return "t1" |
|
1287
|
|
|
|
|
1288
|
|
|
@app.route("/t2") |
|
1289
|
|
|
def t2(): |
|
1290
|
|
|
return "t2" |
|
1291
|
|
|
|
|
1292
|
|
|
with hiro.Timeline().freeze(): |
|
1293
|
|
|
with app.test_client() as cli: |
|
1294
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
1295
|
|
|
self.assertEqual(cli.get("/t2").status_code, 200) |
|
1296
|
|
|
self.assertEqual(cli.get("/t1").status_code, 429) |
|
1297
|
|
|
self.assertEqual(cli.get("/t2").status_code, 429) |
|
1298
|
|
|
|
|
1299
|
|
View Code Duplication |
def test_callable_application_limit(self): |
|
|
|
|
|
|
1300
|
|
|
|
|
1301
|
|
|
app, limiter = self.build_app(application_limits=[lambda: "1/minute"]) |
|
1302
|
|
|
|
|
1303
|
|
|
@app.route("/t1") |
|
1304
|
|
|
def t1(): |
|
1305
|
|
|
return "t1" |
|
1306
|
|
|
|
|
1307
|
|
|
@app.route("/t2") |
|
1308
|
|
|
def t2(): |
|
1309
|
|
|
return "t2" |
|
1310
|
|
|
|
|
1311
|
|
|
with hiro.Timeline().freeze(): |
|
1312
|
|
|
with app.test_client() as cli: |
|
1313
|
|
|
self.assertEqual(cli.get("/t1").status_code, 200) |
|
1314
|
|
|
self.assertEqual(cli.get("/t2").status_code, 429) |
|
1315
|
|
|
|
|
1316
|
|
|
def test_no_auto_check(self): |
|
1317
|
|
|
app, limiter = self.build_app(auto_check=False) |
|
1318
|
|
|
|
|
1319
|
|
|
@limiter.limit("1/second", per_method=True) |
|
1320
|
|
|
@app.route("/", methods=["GET", "POST"]) |
|
1321
|
|
|
def root(): |
|
1322
|
|
|
return "root" |
|
1323
|
|
|
|
|
1324
|
|
|
with hiro.Timeline().freeze(): |
|
1325
|
|
|
with app.test_client() as cli: |
|
1326
|
|
|
self.assertEqual(200, cli.get("/").status_code) |
|
1327
|
|
|
self.assertEqual(200, cli.get("/").status_code) |
|
1328
|
|
|
|
|
1329
|
|
|
# attach before_request to perform check |
|
1330
|
|
|
@app.before_request |
|
1331
|
|
|
def _(): |
|
1332
|
|
|
limiter.check() |
|
1333
|
|
|
|
|
1334
|
|
|
with hiro.Timeline().freeze(): |
|
1335
|
|
|
with app.test_client() as cli: |
|
1336
|
|
|
self.assertEqual(200, cli.get("/").status_code) |
|
1337
|
|
|
self.assertEqual(429, cli.get("/").status_code) |
|
1338
|
|
|
|
|
1339
|
|
|
def test_custom_key_prefix(self): |
|
1340
|
|
|
app1, limiter1 = self.build_app( |
|
1341
|
|
|
key_prefix="moo", storage_uri="redis://localhost:6379" |
|
1342
|
|
|
) |
|
1343
|
|
|
app2, limiter2 = self.build_app({ |
|
1344
|
|
|
C.KEY_PREFIX: "cow" |
|
1345
|
|
|
}, |
|
1346
|
|
|
storage_uri="redis://localhost:6379") |
|
1347
|
|
|
app3, limiter3 = self.build_app(storage_uri="redis://localhost:6379") |
|
1348
|
|
|
|
|
1349
|
|
|
@app1.route("/test") |
|
1350
|
|
|
@limiter1.limit("1/day") |
|
1351
|
|
|
def t1(): |
|
1352
|
|
|
return "app1 test" |
|
1353
|
|
|
|
|
1354
|
|
|
@app2.route("/test") |
|
1355
|
|
|
@limiter2.limit("1/day") |
|
1356
|
|
|
def t1(): |
|
1357
|
|
|
return "app1 test" |
|
1358
|
|
|
|
|
1359
|
|
|
@app3.route("/test") |
|
1360
|
|
|
@limiter3.limit("1/day") |
|
1361
|
|
|
def t1(): |
|
1362
|
|
|
return "app1 test" |
|
1363
|
|
|
|
|
1364
|
|
|
with app1.test_client() as cli: |
|
1365
|
|
|
resp = cli.get("/test") |
|
1366
|
|
|
self.assertEqual(200, resp.status_code) |
|
1367
|
|
|
resp = cli.get("/test") |
|
1368
|
|
|
self.assertEqual(429, resp.status_code) |
|
1369
|
|
|
with app2.test_client() as cli: |
|
1370
|
|
|
resp = cli.get("/test") |
|
1371
|
|
|
self.assertEqual(200, resp.status_code) |
|
1372
|
|
|
resp = cli.get("/test") |
|
1373
|
|
|
self.assertEqual(429, resp.status_code) |
|
1374
|
|
|
with app3.test_client() as cli: |
|
1375
|
|
|
resp = cli.get("/test") |
|
1376
|
|
|
self.assertEqual(200, resp.status_code) |
|
1377
|
|
|
resp = cli.get("/test") |
|
1378
|
|
|
self.assertEqual(429, resp.status_code) |
|
1379
|
|
|
|
alisaifee /
flask-limiter
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