/
demo.go
75 lines (70 loc) · 2.07 KB
/
demo.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
/*
* Copyright 2020. Huawei Technologies Co., Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package demo
import (
"bytes"
"crypto"
"crypto/rsa"
"crypto/sha256"
"crypto/x509"
"encoding/base64"
"encoding/json"
"io/ioutil"
"net/http"
"time"
)
// default http client with 5 seconds timeout
var RequestHttpClient = http.Client{Timeout: time.Second * 5}
func SendRequest(url string, bodyMap map[string]string) (string, error) {
authHeaderString, err := BuildAuthorization()
if err != nil {
return "", err
}
bodyString, err := json.Marshal(bodyMap)
if err != nil {
return "", err
}
req, err := http.NewRequest("POST", url, bytes.NewReader(bodyString))
if err != nil {
return "", err
}
req.Header.Set("Content-Type", "application/json; charset=UTF-8")
req.Header.Set("Authorization", authHeaderString)
response, err := RequestHttpClient.Do(req)
defer response.Body.Close()
bodyBytes, err := ioutil.ReadAll(response.Body)
if err != nil {
return "", err
}
return string(bodyBytes), nil
}
func VerifyRsaSign(content string, sign string, publicKey string) error {
publicKeyByte, err := base64.StdEncoding.DecodeString(publicKey)
if err != nil {
return err
}
pub, err := x509.ParsePKIXPublicKey(publicKeyByte)
if err != nil {
return err
}
hashed := sha256.Sum256([]byte(content))
signature, err := base64.StdEncoding.DecodeString(sign)
if err != nil {
return err
}
return rsa.VerifyPKCS1v15(pub.(*rsa.PublicKey), crypto.SHA256, hashed[:], signature)
}