feat: add wxshare

backend/providers/wechat/funcs.go

@@ -1,14 +1,24 @@
 package wechat
 
-import "math/rand"
+import (
+	"crypto/sha1"
+	"encoding/hex"
+	"math/rand"
+)
 
 // RandomString generate random size string
-func randomString(size int) (string, error) {
+func randomString(size int) string {
 	// generate size string [0-9a-zA-Z]
 	const chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
 	b := make([]byte, size)
 	for i := range b {
 		b[i] = chars[rand.Intn(len(chars))]
 	}
-	return string(b), nil
+	return string(b)
+}
+
+func hashSha1(input string) string {
+	h := sha1.New()
+	h.Write([]byte(input))
+	return hex.EncodeToString(h.Sum(nil))
 }

backend/providers/wechat/wechat.go

@@ -3,6 +3,7 @@ package wechat
 import (
 	"crypto/sha1"
 	"encoding/hex"
+	"fmt"
 	"net/url"
 	"sort"
 	"strings"
@@ -287,3 +288,32 @@ func (we *Client) GetJSTicket(token string) (string, error) {
 
 	return data.Ticket, nil
 }
+
+type JsSDK struct {
+	Debug     bool   `json:"debug"`
+	AppID     string `json:"appId"`
+	Timestamp int64  `json:"timestamp"`
+	NonceStr  string `json:"nonceStr"`
+	Signature string `json:"signature"`
+}
+
+// GetJSTicket
+func (we *Client) GetJsSDK(token, url string) (*JsSDK, error) {
+	sdk := &JsSDK{
+		Debug:     false,
+		AppID:     we.appID,
+		Timestamp: time.Now().Unix(),
+		NonceStr:  randomString(16),
+		Signature: "",
+	}
+	// get ticket
+	ticket, err := we.GetJSTicket(token)
+	if err != nil {
+		return nil, errors.Wrap(err, "get wechat ticket failed")
+	}
+
+	input := fmt.Sprintf("jsapi_ticket=%s&noncestr=%s&timestamp=%d&url=%s", ticket, sdk.NonceStr, sdk.Timestamp, url)
+	sdk.Signature = hashSha1(input)
+
+	return sdk, nil
+}