-
Notifications
You must be signed in to change notification settings - Fork 0
/
client.go
75 lines (64 loc) · 1.63 KB
/
client.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
package main
import (
"bytes"
"crypto/aes"
"crypto/cipher"
"encoding/base64"
"flag"
"fmt"
"io/ioutil"
"net/http"
)
var key []byte
func padding(src []byte, blocksize int) []byte {
padnum := blocksize - len(src)%blocksize
pad := bytes.Repeat([]byte{byte(padnum)}, padnum)
return append(src, pad...)
}
func unpadding(src []byte) []byte {
n := len(src)
unpadnum := int(src[n-1])
return src[:n-unpadnum]
}
func decryptAES(src []byte) []byte {
block, _ := aes.NewCipher(key)
blockmode := cipher.NewCBCDecrypter(block, key)
blockmode.CryptBlocks(src, src)
src = unpadding(src)
return src
}
func encryptAES(src []byte) []byte {
block, _ := aes.NewCipher(key)
src = padding(src, block.BlockSize())
blockmode := cipher.NewCBCEncrypter(block, key)
blockmode.CryptBlocks(src, src)
return src
}
func get(url string) string {
res, err := http.Get(url)
if err != nil {
return "请求错误"
}
body, err := ioutil.ReadAll(res.Body)
res.Body.Close()
if err != nil {
return "请求错误"
}
return string(body)
}
// 先解码后解密
func main() {
var server string
var keyText string
var url string
flag.StringVar(&server, "server", "", "服务端地址")
flag.StringVar(&keyText, "key", "1234567890abcdef", "AES密钥")
flag.StringVar(&url, "url", "", "需要服务端代理请求的访问地址,客户端后台会使用当前的AES密钥加密后并做Base64编码")
flag.Parse()
key = []byte(keyText)
url = base64.URLEncoding.EncodeToString(encryptAES([]byte(url)))
response := get(server + "?url=" + url)
byte, _ := base64.URLEncoding.DecodeString(response)
result := decryptAES(byte)
fmt.Println(string(result))
}