-
Notifications
You must be signed in to change notification settings - Fork 0
/
multipart_form_data.go
137 lines (127 loc) · 4.24 KB
/
multipart_form_data.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
package check
import (
"bytes"
"fmt"
"github.com/google/uuid"
"github.com/nwtgck/piping-server-check/oneshot"
"io"
"math/rand"
"mime/multipart"
"net/http"
"net/textproto"
"time"
)
func multipart_form_data() Check {
return Check{
Name: getCheckName(),
run: func(config *Config, reporter RunCheckReporter) {
defer reporter.Close()
serverUrl, ok, stopServerIfNeed := prepareServerUrl(config, reporter)
if !ok {
return
}
defer stopServerIfNeed()
postHttpClient := newHTTPClient(config.Protocol, config.TlsSkipVerifyCert)
defer postHttpClient.CloseIdleConnections()
getHttpClient := newHTTPClient(config.Protocol, config.TlsSkipVerifyCert)
defer getHttpClient.CloseIdleConnections()
path := "/" + uuid.NewString()
url := serverUrl + path
contentBytes := func() []byte {
var buff [8 * 1024 * 1024]byte
if _, err := io.ReadFull(rand.New(rand.NewSource(11)), buff[:]); err != nil {
panic(err)
}
return buff[:]
}()
multipartHeaderContentType := "application/octet-stream"
multipartHeaderDisposition := `form-data; name="input_data"`
bodyBuffer := new(bytes.Buffer)
multipartWriter := multipart.NewWriter(bodyBuffer)
multipartHeader := make(textproto.MIMEHeader)
multipartHeader.Set("Content-Type", multipartHeaderContentType)
multipartHeader.Set("Content-Disposition", multipartHeaderDisposition)
contentType := multipartWriter.FormDataContentType()
part, err := multipartWriter.CreatePart(multipartHeader)
if err != nil {
reporter.Report(NewRunCheckResultWithOneError(NewError("failed to create part", err)))
return
}
if _, err = io.Copy(part, bytes.NewReader(contentBytes)); err != nil {
reporter.Report(NewRunCheckResultWithOneError(NewError("failed to write content to part", err)))
return
}
if err = multipartWriter.Close(); err != nil {
reporter.Report(NewRunCheckResultWithOneError(NewError("failed to close part", err)))
return
}
postRespOneshot := oneshot.NewOneshot[*http.Response]()
go func() {
defer postRespOneshot.Done()
postReq, err := http.NewRequest("POST", url, bodyBuffer)
if err != nil {
reporter.Report(NewRunCheckResultWithOneError(NewError("failed to create request", err)))
return
}
ensureContentLengthExits(postReq)
postReq.Header.Set("Content-Type", contentType)
postResp, postOk := sendOrGetAndCheck(postHttpClient, postReq, config.Protocol, reporter)
if !postOk {
return
}
postRespOneshot.Send(postResp)
}()
select {
case _, ok := <-postRespOneshot.Channel():
if !ok {
return
}
case <-time.After(config.SenderResponseBeforeReceiverTimeout):
}
getRespOneshot := oneshot.NewOneshot[*http.Response]()
go func() {
defer getRespOneshot.Done()
getReq, err := http.NewRequest("GET", url, nil)
if err != nil {
reporter.Report(NewRunCheckResultWithOneError(NewError("failed to create request", err)))
return
}
getResp, getOk := sendOrGetAndCheck(getHttpClient, getReq, config.Protocol, reporter)
if !getOk {
return
}
getRespOneshot.Send(getResp)
}()
var getResp *http.Response
select {
case getResp = <-getRespOneshot.Channel():
case <-time.After(config.GetResponseReceivedTimeout):
reporter.Report(NewRunCheckResultWithOneError(NewError(fmt.Sprintf("failed to get receiver's response in %s", config.GetResponseReceivedTimeout), nil)))
return
}
checkContentTypeForwarding(getResp, multipartHeaderContentType, reporter)
checkContentDispositionForwarding(getResp, multipartHeaderDisposition, reporter)
getBodyBytes, err := io.ReadAll(getResp.Body)
if err != nil {
reporter.Report(NewRunCheckResultWithOneError(NewError("failed to read GET body", err)))
return
}
if ok := checkCloseReceiverRespBody(getResp, reporter); !ok {
return
}
if !bytes.Equal(getBodyBytes, contentBytes) {
reporter.Report(RunCheckResult{SubCheckName: SubCheckNameTransferred, Errors: []ResultError{NewError("different body", nil)}})
return
}
postResp, ok := <-postRespOneshot.Channel()
if !ok {
return
}
if ok := checkSenderRespReadUp(postResp, reporter); !ok {
return
}
reporter.Report(RunCheckResult{SubCheckName: SubCheckNameTransferred})
return
},
}
}