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
|
package http
import (
"io/ioutil"
"log"
"net"
"net/http"
"net/http/httptest"
"net/url"
"strings"
"testing"
"github.com/mpolden/echoip/iputil/geo"
)
func lookupAddr(net.IP) (string, error) { return "localhost", nil }
func lookupPort(net.IP, uint64) error { return nil }
type testDb struct{}
func (t *testDb) Country(net.IP) (geo.Country, error) {
return geo.Country{Name: "Elbonia", ISO: "EB", IsEU: new(bool)}, nil
}
func (t *testDb) City(net.IP) (geo.City, error) {
return geo.City{Name: "Bornyasherk", RegionName: "North Elbonia", RegionCode: "1234", MetroCode: 1234, PostalCode: "1234", Latitude: 63.416667, Longitude: 10.416667, Timezone: "Europe/Bornyasherk"}, nil
}
func (t *testDb) ASN(net.IP) (geo.ASN, error) {
return geo.ASN{AutonomousSystemNumber: 59795, AutonomousSystemOrganization: "Hosting4Real"}, nil
}
func (t *testDb) IsEmpty() bool { return false }
func testServer() *Server {
return &Server{cache: NewCache(100), gr: &testDb{}, LookupAddr: lookupAddr, LookupPort: lookupPort}
}
func httpGet(url string, acceptMediaType string, userAgent string) (string, int, error) {
r, err := http.NewRequest("GET", url, nil)
if err != nil {
return "", 0, err
}
if acceptMediaType != "" {
r.Header.Set("Accept", acceptMediaType)
}
r.Header.Set("User-Agent", userAgent)
res, err := http.DefaultClient.Do(r)
if err != nil {
return "", 0, err
}
defer res.Body.Close()
data, err := ioutil.ReadAll(res.Body)
if err != nil {
return "", 0, err
}
return string(data), res.StatusCode, nil
}
func httpPost(url, body string) (*http.Response, string, error) {
r, err := http.NewRequest(http.MethodPost, url, strings.NewReader(body))
if err != nil {
return nil, "", err
}
res, err := http.DefaultClient.Do(r)
if err != nil {
return nil, "", err
}
defer res.Body.Close()
data, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, "", err
}
return res, string(data), nil
}
func TestCLIHandlers(t *testing.T) {
log.SetOutput(ioutil.Discard)
s := httptest.NewServer(testServer().Handler())
var tests = []struct {
url string
out string
status int
userAgent string
acceptMediaType string
}{
{s.URL, "127.0.0.1\n", 200, "curl/7.43.0", ""},
{s.URL, "127.0.0.1\n", 200, "foo/bar", textMediaType},
{s.URL + "/ip", "127.0.0.1\n", 200, "", ""},
{s.URL + "/country", "Elbonia\n", 200, "", ""},
{s.URL + "/country-iso", "EB\n", 200, "", ""},
{s.URL + "/coordinates", "63.416667,10.416667\n", 200, "", ""},
{s.URL + "/city", "Bornyasherk\n", 200, "", ""},
{s.URL + "/foo", "404 page not found", 404, "", ""},
{s.URL + "/asn", "AS59795\n", 200, "", ""},
}
for _, tt := range tests {
out, status, err := httpGet(tt.url, tt.acceptMediaType, tt.userAgent)
if err != nil {
t.Fatal(err)
}
if status != tt.status {
t.Errorf("Expected %d, got %d", tt.status, status)
}
if out != tt.out {
t.Errorf("Expected %q, got %q", tt.out, out)
}
}
}
func TestDisabledHandlers(t *testing.T) {
log.SetOutput(ioutil.Discard)
server := testServer()
server.LookupPort = nil
server.LookupAddr = nil
server.gr, _ = geo.Open("", "", "")
s := httptest.NewServer(server.Handler())
var tests = []struct {
url string
out string
status int
}{
{s.URL + "/port/1337", "404 page not found", 404},
{s.URL + "/country", "404 page not found", 404},
{s.URL + "/country-iso", "404 page not found", 404},
{s.URL + "/city", "404 page not found", 404},
{s.URL + "/json", "{\n \"ip\": \"127.0.0.1\",\n \"ip_decimal\": 2130706433\n}", 200},
}
for _, tt := range tests {
out, status, err := httpGet(tt.url, "", "")
if err != nil {
t.Fatal(err)
}
if status != tt.status {
t.Errorf("Expected %d, got %d", tt.status, status)
}
if out != tt.out {
t.Errorf("Expected %q, got %q", tt.out, out)
}
}
}
func TestJSONHandlers(t *testing.T) {
log.SetOutput(ioutil.Discard)
s := httptest.NewServer(testServer().Handler())
var tests = []struct {
url string
out string
status int
}{
{s.URL, "{\n \"ip\": \"127.0.0.1\",\n \"ip_decimal\": 2130706433,\n \"country\": \"Elbonia\",\n \"country_iso\": \"EB\",\n \"country_eu\": false,\n \"region_name\": \"North Elbonia\",\n \"region_code\": \"1234\",\n \"metro_code\": 1234,\n \"zip_code\": \"1234\",\n \"city\": \"Bornyasherk\",\n \"latitude\": 63.416667,\n \"longitude\": 10.416667,\n \"time_zone\": \"Europe/Bornyasherk\",\n \"asn\": \"AS59795\",\n \"asn_org\": \"Hosting4Real\",\n \"hostname\": \"localhost\",\n \"user_agent\": {\n \"product\": \"curl\",\n \"version\": \"7.2.6.0\",\n \"raw_value\": \"curl/7.2.6.0\"\n }\n}", 200},
{s.URL + "/port/foo", "{\n \"status\": 400,\n \"error\": \"invalid port: foo\"\n}", 400},
{s.URL + "/port/0", "{\n \"status\": 400,\n \"error\": \"invalid port: 0\"\n}", 400},
{s.URL + "/port/65537", "{\n \"status\": 400,\n \"error\": \"invalid port: 65537\"\n}", 400},
{s.URL + "/port/31337", "{\n \"ip\": \"127.0.0.1\",\n \"port\": 31337,\n \"reachable\": true\n}", 200},
{s.URL + "/port/80", "{\n \"ip\": \"127.0.0.1\",\n \"port\": 80,\n \"reachable\": true\n}", 200}, // checking that our test server is reachable on port 80
{s.URL + "/port/80?ip=1.3.3.7", "{\n \"ip\": \"127.0.0.1\",\n \"port\": 80,\n \"reachable\": true\n}", 200}, // ensuring that the "ip" parameter is not usable to check remote host ports
{s.URL + "/foo", "{\n \"status\": 404,\n \"error\": \"404 page not found\"\n}", 404},
{s.URL + "/health", `{"status":"OK"}`, 200},
}
for _, tt := range tests {
out, status, err := httpGet(tt.url, jsonMediaType, "curl/7.2.6.0")
if err != nil {
t.Fatal(err)
}
if status != tt.status {
t.Errorf("Expected %d for %s, got %d", tt.status, tt.url, status)
}
if out != tt.out {
t.Errorf("Expected %q for %s, got %q", tt.out, tt.url, out)
}
}
}
func TestCacheHandler(t *testing.T) {
log.SetOutput(ioutil.Discard)
srv := testServer()
srv.profile = true
s := httptest.NewServer(srv.Handler())
got, _, err := httpGet(s.URL+"/debug/cache/", jsonMediaType, "")
if err != nil {
t.Fatal(err)
}
want := "{\n \"size\": 0,\n \"capacity\": 100,\n \"evictions\": 0\n}"
if got != want {
t.Errorf("got %q, want %q", got, want)
}
}
func TestCacheResizeHandler(t *testing.T) {
log.SetOutput(ioutil.Discard)
srv := testServer()
srv.profile = true
s := httptest.NewServer(srv.Handler())
_, got, err := httpPost(s.URL+"/debug/cache/resize", "10")
if err != nil {
t.Fatal(err)
}
want := "{\n \"message\": \"Changed cache capacity to 10.\"\n}"
if got != want {
t.Errorf("got %q, want %q", got, want)
}
}
func TestIPFromRequest(t *testing.T) {
var tests = []struct {
remoteAddr string
headerKey string
headerValue string
trustedHeaders []string
out string
}{
{"127.0.0.1:9999", "", "", nil, "127.0.0.1"}, // No header given
{"127.0.0.1:9999", "X-Real-IP", "1.3.3.7", nil, "127.0.0.1"}, // Trusted header is empty
{"127.0.0.1:9999", "X-Real-IP", "1.3.3.7", []string{"X-Foo-Bar"}, "127.0.0.1"}, // Trusted header does not match
{"127.0.0.1:9999", "X-Real-IP", "1.3.3.7", []string{"X-Real-IP", "X-Forwarded-For"}, "1.3.3.7"}, // Trusted header matches
{"127.0.0.1:9999", "X-Forwarded-For", "1.3.3.7", []string{"X-Real-IP", "X-Forwarded-For"}, "1.3.3.7"}, // Second trusted header matches
{"127.0.0.1:9999", "X-Forwarded-For", "1.3.3.7,4.2.4.2", []string{"X-Forwarded-For"}, "1.3.3.7"}, // X-Forwarded-For with multiple entries (commas separator)
{"127.0.0.1:9999", "X-Forwarded-For", "1.3.3.7, 4.2.4.2", []string{"X-Forwarded-For"}, "1.3.3.7"}, // X-Forwarded-For with multiple entries (space+comma separator)
{"127.0.0.1:9999", "X-Forwarded-For", "", []string{"X-Forwarded-For"}, "127.0.0.1"}, // Empty header
{"127.0.0.1:9999?ip=1.2.3.4", "", "", nil, "1.2.3.4"}, // passed in "ip" parameter
{"127.0.0.1:9999?ip=1.2.3.4", "X-Forwarded-For", "1.3.3.7,4.2.4.2", []string{"X-Forwarded-For"}, "1.2.3.4"}, // ip parameter wins over X-Forwarded-For with multiple entries
}
for _, tt := range tests {
u, err := url.Parse("http://" + tt.remoteAddr)
if err != nil {
t.Fatal(err)
}
r := &http.Request{
RemoteAddr: u.Host,
Header: http.Header{},
URL: u,
}
r.Header.Add(tt.headerKey, tt.headerValue)
ip, err := ipFromRequest(tt.trustedHeaders, r, true)
if err != nil {
t.Fatal(err)
}
out := net.ParseIP(tt.out)
if !ip.Equal(out) {
t.Errorf("Expected %s, got %s", out, ip)
}
}
}
func TestCLIMatcher(t *testing.T) {
browserUserAgent := "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) " +
"AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.28 " +
"Safari/537.36"
var tests = []struct {
in string
out bool
}{
{"curl/7.26.0", true},
{"Wget/1.13.4 (linux-gnu)", true},
{"Wget", true},
{"fetch libfetch/2.0", true},
{"HTTPie/0.9.3", true},
{"httpie-go/0.6.0", true},
{"Go 1.1 package http", true},
{"Go-http-client/1.1", true},
{"Go-http-client/2.0", true},
{"ddclient/3.8.3", true},
{"Mikrotik/6.x Fetch", true},
{browserUserAgent, false},
}
for _, tt := range tests {
r := &http.Request{Header: http.Header{"User-Agent": []string{tt.in}}}
if got := cliMatcher(r); got != tt.out {
t.Errorf("Expected %t, got %t for %q", tt.out, got, tt.in)
}
}
}
|
