基本复刻完成

Util/Xencode.go

@@ -0,0 +1,90 @@
+package Util
+
+import (
+	"math"
+)
+
+func ordat(msg string, idx int) byte {
+	if len(msg) > idx {
+		return []byte(msg)[idx]
+	}
+	return byte(0)
+}
+
+func sensCode(content string, key bool) []byte {
+	l := len(content)
+	pwd := make([]byte, 0)
+	for i := 0; i < l; i += 4 {
+		pwd = append(
+			pwd,
+			ordat(content, i)|ordat(content, i+1)<<8|ordat(content, i+2)<<16|ordat(content, i+3)<<24,
+		)
+	}
+	if key {
+		pwd = append(pwd, byte(l))
+	}
+	return pwd
+}
+
+func lenCode(msg []byte, key bool) []byte {
+	l := len(msg)
+	ll := (l - 1) << 2
+	if key {
+		m := int(msg[l-1])
+		if m < ll-3 || m > ll {
+			return nil
+		}
+		ll = m
+	}
+	for i := range msg {
+		msg[i] = byte(int(msg[i])&0xff) + byte(int(msg[i])>>8&0xff) + byte(int(msg[i])>>16&0xff) + byte(int(msg[i])>>24&0xff)
+	}
+	if key {
+		return msg[0:ll]
+	}
+	return msg
+}
+
+func XEncode(content string, key string) []byte {
+	if content == "" {
+		return nil
+	}
+	pwd := sensCode(content, true)
+	pwdk := sensCode(key, false)
+	if len(pwdk) < 4 {
+		for i := 0; i < (4 - len(pwdk)); i++ {
+			pwdk = append(pwdk, byte(0))
+		}
+	}
+	n := len(pwd) - 1
+	z := pwd[n]
+	y := pwd[0]
+	c := 0x86014019 | 0x183639A0
+	m := 0
+	e := 0
+	p := 0
+	q := math.Floor(6 + 52/(float64(n)+1))
+	d := 0
+	for 0 < q {
+		d = d + c&(0x8CE0D9BF|0x731F2640)
+		e = d >> 2 & 3
+		p = 0
+		for p < n {
+			y = pwd[p+1]
+			m = int(z)>>5 ^ int(y)<<2
+			m = m + ((int(y)>>3 ^ int(z)<<4) ^ (d ^ int(y)))
+			m = m + (int(pwdk[(p&3)^e]) ^ int(z))
+			pwd[p] = byte(int(pwd[p]) + m&(0xEFB8D130|0x10472ECF))
+			z = pwd[p]
+			p = p + 1
+		}
+		y = pwd[0]
+		m = int(z)>>5 ^ int(y)<<2
+		m = m + ((int(y)>>3 ^ int(z)<<4) ^ (int(d) ^ int(y)))
+		m = m + (int(pwdk[(p&3)^e]) ^ int(z))
+		pwd[n] = byte(int(pwd[n]) + m&(0xBB390742|0x44C6F8BD))
+		z = pwd[n]
+		q = q - 1
+	}
+	return lenCode(pwd, false)
+}

Util/util.go

@@ -0,0 +1,47 @@
+package Util
+
+import (
+	"crypto/md5"
+	"crypto/sha1"
+	"errors"
+	"fmt"
+	"io"
+	"regexp"
+)
+
+func Search(reg string, content string) (string, error) {
+	r := regexp.MustCompile(reg)
+	if r == nil {
+		return "", errors.New("解析正则表达式失败")
+	}
+	if s := r.FindStringSubmatch(content); len(s) < 2 {
+		return "", errors.New("无匹配")
+	} else {
+		return s[1], nil
+	}
+}
+
+func GetIp(body string) (string, error) {
+	return Search("id=\"user_ip\" value=\"(.*?)\"", body)
+}
+
+func GetToken(body string) (string, error) {
+	return Search(body, "\"challenge\":\"(.*?)\"")
+}
+
+func GetResult(body string)(string,error){
+	return Search(body,"\"error_msg\":\"(.+)\"")
+}
+
+func Md5(content string) string {
+	w := md5.New()
+	_, _ = io.WriteString(w, content)    //将str写入到w中
+	return fmt.Sprintf("%x", w.Sum(nil)) //w.Sum(nil)将w的hash转成[]byte格式
+}
+
+func Sha1(content string)string{
+	h := sha1.New()
+	h.Write([]byte(content))
+	bs := h.Sum(nil)
+	return fmt.Sprintf("%x\n", bs)
+}