1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
# frozen_string_literal: true
#
# Requires let variables:
# * throttle_setting_prefix: "throttle_authenticated_api", "throttle_authenticated_web", "throttle_protected_paths"
# * request_method
# * request_args
# * other_user_request_args
# * requests_per_period
# * period_in_seconds
# * period
RSpec.shared_examples 'rate-limited token-authenticated requests' do
let(:throttle_types) do
{
"throttle_protected_paths" => "throttle_authenticated_protected_paths_api",
"throttle_authenticated_api" => "throttle_authenticated_api",
"throttle_authenticated_web" => "throttle_authenticated_web"
}
end
before do
# Set low limits
settings_to_set[:"#{throttle_setting_prefix}_requests_per_period"] = requests_per_period
settings_to_set[:"#{throttle_setting_prefix}_period_in_seconds"] = period_in_seconds
end
context 'when the throttle is enabled' do
before do
settings_to_set[:"#{throttle_setting_prefix}_enabled"] = true
stub_application_setting(settings_to_set)
end
it 'rejects requests over the rate limit' do
# At first, allow requests under the rate limit.
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
# the last straw
expect_rejection { make_request(request_args) }
end
it 'allows requests after throttling and then waiting for the next period' do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
expect_rejection { make_request(request_args) }
travel_to(period.from_now) do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
expect_rejection { make_request(request_args) }
end
end
it 'counts requests from different users separately, even from the same IP' do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
# would be over the limit if this wasn't a different user
make_request(other_user_request_args)
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
it 'counts all requests from the same user, even via different IPs' do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
expect_any_instance_of(Rack::Attack::Request).to receive(:ip).at_least(:once).and_return('1.2.3.4')
expect_rejection { make_request(request_args) }
end
it 'logs RackAttack info into structured logs' do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
arguments = {
message: 'Rack_Attack',
env: :throttle,
remote_ip: '127.0.0.1',
request_method: request_method,
path: request_args.first,
user_id: user.id,
username: user.username,
throttle_type: throttle_types[throttle_setting_prefix]
}
expect(Gitlab::AuthLogger).to receive(:error).with(arguments).once
expect_rejection { make_request(request_args) }
end
end
context 'when the throttle is disabled' do
before do
settings_to_set[:"#{throttle_setting_prefix}_enabled"] = false
stub_application_setting(settings_to_set)
end
it 'allows requests over the rate limit' do
(1 + requests_per_period).times do
make_request(request_args)
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
end
end
def make_request(args)
if request_method == 'POST'
post(*args)
else
get(*args)
end
end
end
# Requires let variables:
# * throttle_setting_prefix: "throttle_authenticated_web" or "throttle_protected_paths"
# * user
# * url_that_requires_authentication
# * request_method
# * requests_per_period
# * period_in_seconds
# * period
RSpec.shared_examples 'rate-limited web authenticated requests' do
let(:throttle_types) do
{
"throttle_protected_paths" => "throttle_authenticated_protected_paths_web",
"throttle_authenticated_web" => "throttle_authenticated_web"
}
end
before do
login_as(user)
# Set low limits
settings_to_set[:"#{throttle_setting_prefix}_requests_per_period"] = requests_per_period
settings_to_set[:"#{throttle_setting_prefix}_period_in_seconds"] = period_in_seconds
end
context 'when the throttle is enabled' do
before do
settings_to_set[:"#{throttle_setting_prefix}_enabled"] = true
stub_application_setting(settings_to_set)
end
it 'rejects requests over the rate limit' do
# At first, allow requests under the rate limit.
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
# the last straw
expect_rejection { request_authenticated_web_url }
end
it 'allows requests after throttling and then waiting for the next period' do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
expect_rejection { request_authenticated_web_url }
travel_to(period.from_now) do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
expect_rejection { request_authenticated_web_url }
end
end
it 'counts requests from different users separately, even from the same IP' do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
# would be over the limit if this wasn't a different user
login_as(create(:user))
request_authenticated_web_url
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
it 'counts all requests from the same user, even via different IPs' do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
expect_any_instance_of(Rack::Attack::Request).to receive(:ip).at_least(:once).and_return('1.2.3.4')
expect_rejection { request_authenticated_web_url }
end
it 'logs RackAttack info into structured logs' do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
arguments = {
message: 'Rack_Attack',
env: :throttle,
remote_ip: '127.0.0.1',
request_method: request_method,
path: url_that_requires_authentication,
user_id: user.id,
username: user.username,
throttle_type: throttle_types[throttle_setting_prefix]
}
expect(Gitlab::AuthLogger).to receive(:error).with(arguments).once
request_authenticated_web_url
end
end
context 'when the throttle is disabled' do
before do
settings_to_set[:"#{throttle_setting_prefix}_enabled"] = false
stub_application_setting(settings_to_set)
end
it 'allows requests over the rate limit' do
(1 + requests_per_period).times do
request_authenticated_web_url
expect(response).not_to have_gitlab_http_status(:too_many_requests)
end
end
end
def request_authenticated_web_url
if request_method == 'POST'
post url_that_requires_authentication
else
get url_that_requires_authentication
end
end
end
|