Fix urlEncode for go1.20 or newer

Author: viscropst

aliSimple.go

@@ -8,9 +8,12 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"math"
 	"net/http"
 	"net/url"
+	"runtime"
 	"sort"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -184,14 +187,29 @@ func signStr(ins string, sec string) string {
 	return base64.StdEncoding.EncodeToString(sum)
 }
 
+func goVer() float64 {
+	verStr := runtime.Version()
+	verStr, _ = strings.CutPrefix(verStr, "go")
+	verStrs := strings.Split(verStr, ".")
+	var result float64
+	for i, v := range verStrs {
+		tmp, _ := strconv.ParseFloat(v, 32)
+		result = tmp * (1 / math.Pow10(i))
+	}
+	return result
+}
+
 func urlEncode(ins string) string {
 	str0 := ins
 	str0 = strings.Replace(str0, "+", "%20", -1)
 	str0 = strings.Replace(str0, "*", "%2A", -1)
 	str0 = strings.Replace(str0, "%7E", "~", -1)
 
 	str0 = url.QueryEscape(str0)
-	str0 = strings.Replace(str0, "%26", "&", -1)
+	if goVer() > 1.20 {
+		str0 = strings.Replace(str0, "%26", "&", -1)
+	}
+
 	return str0
 }
 

aliSimple_test.go

@@ -6,9 +6,13 @@ import (
 	"testing"
 )
 
+const AccessKeyID = "<Input your AccessKeyID here>"
+const AccessKeySecret = "<Input your AccessKeySecret here>"
+
 func Test_URLEncode(t *testing.T) {
 	s0 := urlEncode("AccessKeyId=testid&Action=DescribeDomainRecords")
 	if s0 != "AccessKeyId%3Dtestid%26Action%3DDescribeDomainRecords" {
+		t.Log(s0)
 		t.Fail()
 	}
 	t.Log(s0)
@@ -37,7 +41,10 @@ func Test_AliClintReq(t *testing.T) {
 	str = cl0.reqStrToSign(str, "GET")
 
 	// validate sign string from doc: https://help.aliyun.com/document_detail/29747.html#:~:text=%E9%82%A3%E4%B9%88-,stringtosign
-	if str != "GET&%2F&AccessKeyId%3Dtestid&Action%3DDescribeDomainRecords&DomainName%3Dexample.com&Format%3DXML&SignatureMethod%3DHMAC-SHA1&SignatureNonce%3Df59ed6a9-83fc-473b-9cc6-99c95df3856e&SignatureVersion%3D1.0&Timestamp%3D2016-03-24T16%253A41%253A54Z&Version%3D2015-01-09" {
+	if goVer() > 1.20 && str != "GET&%2F&AccessKeyId%3Dtestid&Action%3DDescribeDomainRecords&DomainName%3Dexample.com&Format%3DXML&SignatureMethod%3DHMAC-SHA1&SignatureNonce%3Df59ed6a9-83fc-473b-9cc6-99c95df3856e&SignatureVersion%3D1.0&Timestamp%3D2016-03-24T16%253A41%253A54Z&Version%3D2015-01-09" {
+		t.Error("sign str error")
+	}
+	if goVer() < 1.20 && str != "GET&%2F&AccessKeyId%3Dtestid%26Action%3DDescribeDomainRecords%26DomainName%3Dexample.com%26Format%3DXML%26SignatureMethod%3DHMAC-SHA1%26SignatureNonce%3Df59ed6a9-83fc-473b-9cc6-99c95df3856e%26SignatureVersion%3D1.0%26Timestamp%3D2016-03-24T16%253A41%253A54Z%26Version%3D2015-01-09" {
 		t.Error("sign str error")
 	}
 	t.Log("sign str:" + str + "\n")
@@ -53,8 +60,8 @@ func Test_AppendDupReq(t *testing.T) {
 }
 
 var p0 = Provider{
-	AccKeyID:     "<Input your AccessKeyID here>",
-	AccKeySecret: "<Input your AccessKeySecret here>",
+	AccKeyID:     AccessKeyID,
+	AccKeySecret: AccessKeySecret,
 }
 
 func Test_RequestUrl(t *testing.T) {