-
-
Notifications
You must be signed in to change notification settings - Fork 5.2k
/
help.go
133 lines (117 loc) · 3.07 KB
/
help.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
package _189pc
import (
"bytes"
"crypto/aes"
"crypto/hmac"
"crypto/rand"
"crypto/rsa"
"crypto/sha1"
"crypto/x509"
"encoding/hex"
"encoding/pem"
"fmt"
"net/http"
"regexp"
"strings"
"time"
"github.com/alist-org/alist/v3/pkg/utils/random"
)
func clientSuffix() map[string]string {
rand := random.Rand
return map[string]string{
"clientType": PC,
"version": VERSION,
"channelId": CHANNEL_ID,
"rand": fmt.Sprintf("%d_%d", rand.Int63n(1e5), rand.Int63n(1e10)),
}
}
// 带params的SignatureOfHmac HMAC签名
func signatureOfHmac(sessionSecret, sessionKey, operate, fullUrl, dateOfGmt, param string) string {
urlpath := regexp.MustCompile(`://[^/]+((/[^/\s?#]+)*)`).FindStringSubmatch(fullUrl)[1]
mac := hmac.New(sha1.New, []byte(sessionSecret))
data := fmt.Sprintf("SessionKey=%s&Operate=%s&RequestURI=%s&Date=%s", sessionKey, operate, urlpath, dateOfGmt)
if param != "" {
data += fmt.Sprintf("¶ms=%s", param)
}
mac.Write([]byte(data))
return strings.ToUpper(hex.EncodeToString(mac.Sum(nil)))
}
// RAS 加密用户名密码
func RsaEncrypt(publicKey, origData string) string {
block, _ := pem.Decode([]byte(publicKey))
pubInterface, _ := x509.ParsePKIXPublicKey(block.Bytes)
data, _ := rsa.EncryptPKCS1v15(rand.Reader, pubInterface.(*rsa.PublicKey), []byte(origData))
return strings.ToUpper(hex.EncodeToString(data))
}
// aes 加密params
func AesECBEncrypt(data, key string) string {
block, _ := aes.NewCipher([]byte(key))
paddingData := PKCS7Padding([]byte(data), block.BlockSize())
decrypted := make([]byte, len(paddingData))
size := block.BlockSize()
for src, dst := paddingData, decrypted; len(src) > 0; src, dst = src[size:], dst[size:] {
block.Encrypt(dst[:size], src[:size])
}
return strings.ToUpper(hex.EncodeToString(decrypted))
}
func PKCS7Padding(ciphertext []byte, blockSize int) []byte {
padding := blockSize - len(ciphertext)%blockSize
padtext := bytes.Repeat([]byte{byte(padding)}, padding)
return append(ciphertext, padtext...)
}
// 获取http规范的时间
func getHttpDateStr() string {
return time.Now().UTC().Format(http.TimeFormat)
}
// 时间戳
func timestamp() int64 {
return time.Now().UTC().UnixNano() / 1e6
}
func MustParseTime(str string) *time.Time {
lastOpTime, _ := time.ParseInLocation("2006-01-02 15:04:05 -07", str+" +08", time.Local)
return &lastOpTime
}
func toFamilyOrderBy(o string) string {
switch o {
case "filename":
return "1"
case "filesize":
return "2"
case "lastOpTime":
return "3"
default:
return "1"
}
}
func toDesc(o string) string {
switch o {
case "desc":
return "true"
case "asc":
fallthrough
default:
return "false"
}
}
func ParseHttpHeader(str string) map[string]string {
header := make(map[string]string)
for _, value := range strings.Split(str, "&") {
i := strings.Index(value, "=")
if i > 0 {
header[strings.TrimSpace(value[0:i])] = strings.TrimSpace(value[i+1:])
}
}
return header
}
func MustString(str string, err error) string {
return str
}
func MustToBytes(b []byte, err error) []byte {
return b
}
func BoolToNumber(b bool) int {
if b {
return 1
}
return 0
}