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
|
package sendfile
import (
"io"
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitlab/workhorse/internal/headers"
)
func TestResponseWriter(t *testing.T) {
upstreamResponse := "hello world"
fixturePath := "testdata/sent-file.txt"
fixtureContent, err := os.ReadFile(fixturePath)
require.NoError(t, err)
testCases := []struct {
desc string
sendfileHeader string
out string
}{
{
desc: "send a file",
sendfileHeader: fixturePath,
out: string(fixtureContent),
},
{
desc: "pass through unaltered",
sendfileHeader: "",
out: upstreamResponse,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
r, err := http.NewRequest("GET", "/foo", nil)
require.NoError(t, err)
rw := httptest.NewRecorder()
sf := &sendFileResponseWriter{rw: rw, req: r}
sf.Header().Set(headers.XSendFileHeader, tc.sendfileHeader)
upstreamBody := []byte(upstreamResponse)
n, err := sf.Write(upstreamBody)
require.NoError(t, err)
require.Equal(t, len(upstreamBody), n, "bytes written")
rw.Flush()
body := rw.Result().Body
data, err := io.ReadAll(body)
require.NoError(t, err)
require.NoError(t, body.Close())
require.Equal(t, tc.out, string(data))
})
}
}
func TestAllowExistentContentHeaders(t *testing.T) {
fixturePath := "../../testdata/forgedfile.png"
httpHeaders := map[string]string{
headers.ContentTypeHeader: "image/png",
headers.ContentDispositionHeader: "inline",
}
resp := makeRequest(t, fixturePath, httpHeaders)
require.Equal(t, "image/png", resp.Header.Get(headers.ContentTypeHeader))
require.Equal(t, "inline", resp.Header.Get(headers.ContentDispositionHeader))
}
func TestSuccessOverrideContentHeadersFeatureEnabled(t *testing.T) {
fixturePath := "../../testdata/forgedfile.png"
httpHeaders := make(map[string]string)
httpHeaders[headers.ContentTypeHeader] = "image/png"
httpHeaders[headers.ContentDispositionHeader] = "inline"
httpHeaders["Range"] = "bytes=1-2"
resp := makeRequest(t, fixturePath, httpHeaders)
require.Equal(t, "image/png", resp.Header.Get(headers.ContentTypeHeader))
require.Equal(t, "inline", resp.Header.Get(headers.ContentDispositionHeader))
}
func TestSuccessOverrideContentHeadersRangeRequestFeatureEnabled(t *testing.T) {
fixturePath := "../../testdata/forgedfile.png"
fixtureContent, err := os.ReadFile(fixturePath)
require.NoError(t, err)
r, err := http.NewRequest("GET", "/foo", nil)
r.Header.Set("Range", "bytes=1-2")
require.NoError(t, err)
rw := httptest.NewRecorder()
sf := &sendFileResponseWriter{rw: rw, req: r}
sf.Header().Set(headers.XSendFileHeader, fixturePath)
sf.Header().Set(headers.ContentTypeHeader, "image/png")
sf.Header().Set(headers.ContentDispositionHeader, "inline")
sf.Header().Set(headers.GitlabWorkhorseDetectContentTypeHeader, "true")
upstreamBody := []byte(fixtureContent)
_, err = sf.Write(upstreamBody)
require.NoError(t, err)
rw.Flush()
resp := rw.Result()
body := resp.Body
data, err := io.ReadAll(body)
require.NoError(t, err)
require.NoError(t, body.Close())
require.Len(t, data, 2)
require.Equal(t, "application/octet-stream", resp.Header.Get(headers.ContentTypeHeader))
require.Equal(t, "attachment", resp.Header.Get(headers.ContentDispositionHeader))
}
func TestSuccessInlineWhitelistedTypesFeatureEnabled(t *testing.T) {
fixturePath := "../../testdata/image.png"
httpHeaders := map[string]string{
headers.ContentDispositionHeader: "inline",
headers.GitlabWorkhorseDetectContentTypeHeader: "true",
}
resp := makeRequest(t, fixturePath, httpHeaders)
require.Equal(t, "image/png", resp.Header.Get(headers.ContentTypeHeader))
require.Equal(t, "inline", resp.Header.Get(headers.ContentDispositionHeader))
}
func makeRequest(t *testing.T, fixturePath string, httpHeaders map[string]string) *http.Response {
fixtureContent, err := os.ReadFile(fixturePath)
require.NoError(t, err)
r, err := http.NewRequest("GET", "/foo", nil)
require.NoError(t, err)
rw := httptest.NewRecorder()
sf := &sendFileResponseWriter{rw: rw, req: r}
sf.Header().Set(headers.XSendFileHeader, fixturePath)
for name, value := range httpHeaders {
sf.Header().Set(name, value)
}
upstreamBody := []byte("hello")
n, err := sf.Write(upstreamBody)
require.NoError(t, err)
require.Equal(t, len(upstreamBody), n, "bytes written")
rw.Flush()
resp := rw.Result()
body := resp.Body
data, err := io.ReadAll(body)
require.NoError(t, err)
require.NoError(t, body.Close())
require.Equal(t, fixtureContent, data)
return resp
}
|