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
|
package s3api
import (
"bytes"
"encoding/base64"
"fmt"
"io"
"net/http"
"strings"
"sync"
"testing"
"hash/crc32"
"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
"github.com/stretchr/testify/assert"
)
const (
defaultTimestamp = "20130524T000000Z"
defaultBucketName = "examplebucket"
defaultAccessKeyId = "AKIAIOSFODNN7EXAMPLE"
defaultSecretAccessKey = "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
defaultRegion = "us-east-1"
)
func generatestreamingAws4HmacSha256Payload() string {
// This test will implement the following scenario:
// https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming.html#example-signature-calculations-streaming
chunk1 := "10000;chunk-signature=ad80c730a21e5b8d04586a2213dd63b9a0e99e0e2307b0ade35a65485a288648\r\n" +
strings.Repeat("a", 65536) + "\r\n"
chunk2 := "400;chunk-signature=0055627c9e194cb4542bae2aa5492e3c1575bbb81b612b7d234b86a503ef5497\r\n" +
strings.Repeat("a", 1024) + "\r\n"
chunk3 := "0;chunk-signature=b6c6ea8a5354eaf15b3cb7646744f4275b71ea724fed81ceb9323e279d449df9\r\n" +
"\r\n" // The last chunk is empty
payload := chunk1 + chunk2 + chunk3
return payload
}
func NewRequeststreamingAws4HmacSha256Payload() (*http.Request, error) {
// This test will implement the following scenario:
// https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming.html#example-signature-calculations-streaming
payload := generatestreamingAws4HmacSha256Payload()
req, err := http.NewRequest("PUT", "http://s3.amazonaws.com/examplebucket/chunkObject.txt", bytes.NewReader([]byte(payload)))
if err != nil {
return nil, err
}
req.Header.Set("Host", "s3.amazonaws.com")
req.Header.Set("x-amz-date", defaultTimestamp)
req.Header.Set("x-amz-storage-class", "REDUCED_REDUNDANCY")
req.Header.Set("Authorization", "AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20130524/us-east-1/s3/aws4_request,SignedHeaders=content-encoding;content-length;host;x-amz-content-sha256;x-amz-date;x-amz-decoded-content-length;x-amz-storage-class,Signature=4f232c4386841ef735655705268965c44a0e4690baa4adea153f7db9fa80a0a9")
req.Header.Set("x-amz-content-sha256", "STREAMING-AWS4-HMAC-SHA256-PAYLOAD")
req.Header.Set("Content-Encoding", "aws-chunked")
req.Header.Set("x-amz-decoded-content-length", "66560")
req.Header.Set("Content-Length", "66824")
return req, nil
}
func TestNewSignV4ChunkedReaderstreamingAws4HmacSha256Payload(t *testing.T) {
// This test will implement the following scenario:
// https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming.html#example-signature-calculations-streaming
req, err := NewRequeststreamingAws4HmacSha256Payload()
if err != nil {
t.Fatalf("Failed to create request: %v", err)
}
iam := setupIam()
// The expected payload a long string of 'a's
expectedPayload := strings.Repeat("a", 66560)
runWithRequest(iam, req, t, expectedPayload)
}
func generateStreamingUnsignedPayloadTrailerPayload(includeFinalCRLF bool) string {
// This test will implement the following scenario:
// https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html
chunk1 := "2000\r\n" + strings.Repeat("a", 8192) + "\r\n"
chunk2 := "2000\r\n" + strings.Repeat("a", 8192) + "\r\n"
chunk3 := "400\r\n" + strings.Repeat("a", 1024) + "\r\n"
chunk4 := "0\r\n" /* the last chunk is empty */
if includeFinalCRLF {
// Some clients omit the final CRLF, so we need to test that case as well
chunk4 += "\r\n"
}
data := strings.Repeat("a", 17408)
writer := crc32.NewIEEE()
_, err := writer.Write([]byte(data))
if err != nil {
fmt.Println("Error:", err)
}
checksum := writer.Sum(nil)
base64EncodedChecksum := base64.StdEncoding.EncodeToString(checksum)
trailer := "x-amz-checksum-crc32:" + base64EncodedChecksum + "\n\r\n\r\n\r\n"
payload := chunk1 + chunk2 + chunk3 + chunk4 + trailer
return payload
}
func NewRequestStreamingUnsignedPayloadTrailer(includeFinalCRLF bool) (*http.Request, error) {
// This test will implement the following scenario:
// https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html
payload := generateStreamingUnsignedPayloadTrailerPayload(includeFinalCRLF)
req, err := http.NewRequest("PUT", "http://amzn-s3-demo-bucket/Key+", bytes.NewReader([]byte(payload)))
if err != nil {
return nil, err
}
req.Header.Set("Host", "amzn-s3-demo-bucket")
req.Header.Set("x-amz-date", defaultTimestamp)
req.Header.Set("Content-Encoding", "aws-chunked")
req.Header.Set("x-amz-decoded-content-length", "17408")
req.Header.Set("x-amz-content-sha256", "STREAMING-UNSIGNED-PAYLOAD-TRAILER")
req.Header.Set("x-amz-trailer", "x-amz-checksum-crc32")
return req, nil
}
func TestNewSignV4ChunkedReaderStreamingUnsignedPayloadTrailer(t *testing.T) {
// This test will implement the following scenario:
// https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html
iam := setupIam()
req, err := NewRequestStreamingUnsignedPayloadTrailer(true)
if err != nil {
t.Fatalf("Failed to create request: %v", err)
}
// The expected payload a long string of 'a's
expectedPayload := strings.Repeat("a", 17408)
runWithRequest(iam, req, t, expectedPayload)
req, err = NewRequestStreamingUnsignedPayloadTrailer(false)
if err != nil {
t.Fatalf("Failed to create request: %v", err)
}
runWithRequest(iam, req, t, expectedPayload)
}
func runWithRequest(iam IdentityAccessManagement, req *http.Request, t *testing.T, expectedPayload string) {
reader, errCode := iam.newChunkedReader(req)
assert.NotNil(t, reader)
assert.Equal(t, s3err.ErrNone, errCode)
data, err := io.ReadAll(reader)
if err != nil {
t.Fatalf("Failed to read data: %v", err)
}
assert.Equal(t, expectedPayload, string(data))
}
func setupIam() IdentityAccessManagement {
// Create an IdentityAccessManagement instance
// Add default access keys and secrets
iam := IdentityAccessManagement{
identities: []*Identity{},
accessKeyIdent: map[string]*Identity{},
accounts: map[string]*Account{},
emailAccount: map[string]*Account{},
hashes: map[string]*sync.Pool{},
hashCounters: map[string]*int32{},
identityAnonymous: nil,
domain: "",
isAuthEnabled: false,
}
iam.identities = append(iam.identities, &Identity{
Name: "default",
Credentials: []*Credential{
{
AccessKey: defaultAccessKeyId,
SecretKey: defaultSecretAccessKey,
},
},
Actions: []Action{
"Read",
"Write",
"List",
},
})
iam.accessKeyIdent[defaultAccessKeyId] = iam.identities[0]
return iam
}
|
