/
http_modifier_test.go
319 lines (244 loc) · 8.92 KB
/
http_modifier_test.go
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
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
package goreplay
import (
"bytes"
"github.com/buger/goreplay/proto"
"testing"
)
func TestHTTPModifierWithoutConfig(t *testing.T) {
if NewHTTPModifier(&HTTPModifierConfig{}) != nil {
t.Error("If no config specified should not be initialized")
}
}
func TestHTTPModifierHeaderFilters(t *testing.T) {
filters := HTTPHeaderFilters{}
filters.Set("Host:^www.w3.org$")
modifier := NewHTTPModifier(&HTTPModifierConfig{
HeaderFilters: filters,
})
payload := []byte("POST /post HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
if len(modifier.Rewrite(payload)) == 0 {
t.Error("Request should pass filters")
}
filters = HTTPHeaderFilters{}
// Setting filter that not match our header
filters.Set("Host:^www.w4.org$")
modifier = NewHTTPModifier(&HTTPModifierConfig{
HeaderFilters: filters,
})
if len(modifier.Rewrite(payload)) != 0 {
t.Error("Request should not pass filters")
}
}
func TestHTTPModifierHeaderNegativeFilters(t *testing.T) {
filters := HTTPHeaderFilters{}
filters.Set("Host:^www.w3.org$")
modifier := NewHTTPModifier(&HTTPModifierConfig{
HeaderNegativeFilters: filters,
})
payload := []byte("POST /post HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w4.org\r\n\r\na=1&b=2")
if len(modifier.Rewrite(payload)) == 0 {
t.Error("Request should pass filters")
}
filters = HTTPHeaderFilters{}
// Setting filter that not match our header
filters.Set("Host:^www.w4.org$")
modifier = NewHTTPModifier(&HTTPModifierConfig{
HeaderNegativeFilters: filters,
})
if len(modifier.Rewrite(payload)) != 0 {
t.Error("Request should not pass filters")
}
filters = HTTPHeaderFilters{}
// Setting filter that not match our header
filters.Set("Host: www*")
modifier = NewHTTPModifier(&HTTPModifierConfig{
HeaderNegativeFilters: filters,
})
if len(modifier.Rewrite(payload)) != 0 {
t.Error("Request should not pass filters")
}
}
func TestHTTPHeaderBasicAuthFilters(t *testing.T) {
filters := HTTPHeaderBasicAuthFilters{}
filters.Set("^customer[0-9].*")
modifier := NewHTTPModifier(&HTTPModifierConfig{
HeaderBasicAuthFilters: filters,
})
//Encoded UserId:Password = customer3:welcome
payload := []byte("POST /post HTTP/1.1\r\nContent-Length: 7\r\nAuthorization: Basic Y3VzdG9tZXIzOndlbGNvbWU=\r\n\r\na=1&b=2")
if len(modifier.Rewrite(payload)) == 0 {
t.Error("Request should pass filters")
}
//customer6:rest@123^TEST
payload = []byte("POST /post HTTP/1.1\r\nContent-Length: 88\r\nAuthorization: Basic Y3VzdG9tZXI2OnJlc3RAMTIzXlRFU1Q==\r\n\r\na=1&b=2")
if len(modifier.Rewrite(payload)) == 0 {
t.Error("Request should pass filters")
}
filters = HTTPHeaderBasicAuthFilters{}
// Setting filter that not match our header
filters.Set("^(homer simpson|mickey mouse).*")
modifier = NewHTTPModifier(&HTTPModifierConfig{
HeaderBasicAuthFilters: filters,
})
if len(modifier.Rewrite(payload)) != 0 {
t.Error("Request should not pass filters")
}
//mickey mouse:happy123
payload = []byte("POST /post HTTP/1.1\r\nContent-Length: 88\r\nAuthorization: Basic bWlja2V5IG1vdXNlOmhhcHB5MTIz\r\n\r\na=1&b=2")
if len(modifier.Rewrite(payload)) == 0 {
t.Error("Request should pass filters")
}
}
func TestHTTPModifierURLRewrite(t *testing.T) {
var url, newURL []byte
rewrites := URLRewriteMap{}
payload := func(url []byte) []byte {
return []byte("POST " + string(url) + " HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
}
err := rewrites.Set("/v1/user/([^\\/]+)/ping:/v2/user/$1/ping")
if err != nil {
t.Error("Should not error on /v1/user/([^\\/]+)/ping:/v2/user/$1/ping")
}
modifier := NewHTTPModifier(&HTTPModifierConfig{
URLRewrite: rewrites,
})
url = []byte("/v1/user/joe/ping")
if newURL = proto.Path(modifier.Rewrite(payload(url))); bytes.Equal(newURL, url) {
t.Error("Request url should have been rewritten, wasn't", string(newURL))
}
url = []byte("/v1/user/ping")
if newURL = proto.Path(modifier.Rewrite(payload(url))); !bytes.Equal(newURL, url) {
t.Error("Request url should have been rewritten, wasn't", string(newURL))
}
}
func TestHTTPModifierHeaderRewrite(t *testing.T) {
var header, newHeader []byte
rewrites := HeaderRewriteMap{}
payload := []byte("GET / HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
err := rewrites.Set("Host: (.*).w3.org,$1.beta.w3.org")
if err != nil {
t.Error("Should not error", err)
}
modifier := NewHTTPModifier(&HTTPModifierConfig{
HeaderRewrite: rewrites,
})
header = []byte("www.beta.w3.org")
if newHeader = proto.Header(modifier.Rewrite(payload), []byte("Host")); !bytes.Equal(newHeader, header) {
t.Error("Request header should have been rewritten, wasn't", string(newHeader), string(header))
}
}
func TestHTTPModifierHeaderHashFilters(t *testing.T) {
filters := HTTPHashFilters{}
filters.Set("Header2:1/2")
modifier := NewHTTPModifier(&HTTPModifierConfig{
HeaderHashFilters: filters,
})
payload := func(header []byte) []byte {
return []byte("POST / HTTP/1.1\r\n" + string(header) + "Content-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
}
if p := modifier.Rewrite(payload([]byte(""))); len(p) == 0 {
t.Error("Request should pass filters if Header does not exist")
}
if p := modifier.Rewrite(payload([]byte("Header2: 3\r\n"))); len(p) > 0 {
t.Error("Request should not pass filters, Header2 hash too high")
}
if p := modifier.Rewrite(payload([]byte("Header2: 1\r\n"))); len(p) == 0 {
t.Error("Request should pass filters")
}
}
func TestHTTPModifierParamHashFilters(t *testing.T) {
filters := HTTPHashFilters{}
filters.Set("user_id:1/2")
modifier := NewHTTPModifier(&HTTPModifierConfig{
ParamHashFilters: filters,
})
payload := func(value []byte) []byte {
return []byte("POST /" + string(value) + " HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
}
if p := modifier.Rewrite(payload([]byte(""))); len(p) == 0 {
t.Error("Request should pass filters if param does not exist")
}
if p := modifier.Rewrite(payload([]byte("?user_id=3"))); len(p) > 0 {
t.Error("Request should not pass filters", string(p))
}
if p := modifier.Rewrite(payload([]byte("?user_id=1"))); len(p) == 0 {
t.Error("Request should pass filters")
}
}
func TestHTTPModifierHeaders(t *testing.T) {
headers := HTTPHeaders{}
headers.Set("Header1:1")
headers.Set("Host:localhost")
modifier := NewHTTPModifier(&HTTPModifierConfig{
Headers: headers,
})
payload := []byte("POST /post HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
newPayload := []byte("POST /post HTTP/1.1\r\nHeader1: 1\r\nContent-Length: 7\r\nHost: localhost\r\n\r\na=1&b=2")
if payload = modifier.Rewrite(payload); !bytes.Equal(payload, newPayload) {
t.Error("Should update request headers", string(payload))
}
}
func TestHTTPModifierURLRegexp(t *testing.T) {
filters := HTTPURLRegexp{}
filters.Set("/v1/app")
filters.Set("/v1/api")
modifier := NewHTTPModifier(&HTTPModifierConfig{
URLRegexp: filters,
})
payload := func(url string) []byte {
return []byte("POST " + url + " HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
}
if len(modifier.Rewrite(payload("/v1/app/test"))) == 0 {
t.Error("Should pass url")
}
if len(modifier.Rewrite(payload("/v1/api/test"))) == 0 {
t.Error("Should pass url")
}
if len(modifier.Rewrite(payload("/other"))) > 0 {
t.Error("Should not pass url")
}
}
func TestHTTPModifierURLNegativeRegexp(t *testing.T) {
filters := HTTPURLRegexp{}
filters.Set("/restricted1")
filters.Set("/some/restricted2")
modifier := NewHTTPModifier(&HTTPModifierConfig{
URLNegativeRegexp: filters,
})
payload := func(url string) []byte {
return []byte("POST " + url + " HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
}
if len(modifier.Rewrite(payload("/v1/app/test"))) == 0 {
t.Error("Should pass url")
}
if len(modifier.Rewrite(payload("/restricted1"))) > 0 {
t.Error("Should not pass url")
}
if len(modifier.Rewrite(payload("/some/restricted2"))) > 0 {
t.Error("Should not pass url")
}
}
func TestHTTPModifierSetHeader(t *testing.T) {
filters := HTTPHeaders{}
filters.Set("User-Agent:Gor")
modifier := NewHTTPModifier(&HTTPModifierConfig{
Headers: filters,
})
payload := []byte("POST /post HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
payloadAfter := []byte("POST /post HTTP/1.1\r\nUser-Agent: Gor\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
if payload = modifier.Rewrite(payload); !bytes.Equal(payloadAfter, payload) {
t.Error("Should add new header", string(payload))
}
}
func TestHTTPModifierSetParam(t *testing.T) {
filters := HTTPParams{}
filters.Set("api_key=1")
modifier := NewHTTPModifier(&HTTPModifierConfig{
Params: filters,
})
payload := []byte("POST /post?api_key=1234 HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
payloadAfter := []byte("POST /post?api_key=1 HTTP/1.1\r\nContent-Length: 7\r\nHost: www.w3.org\r\n\r\na=1&b=2")
if payload = modifier.Rewrite(payload); !bytes.Equal(payloadAfter, payload) {
t.Error("Should override param", string(payload))
}
}