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wechat/officialaccount/js/js.go
lizhuang b639d2235d Add JSSDK context method functionality (#828)
* Add JSSDK context method functionality

* 善JSSDK上下文方法,并添加测试文件

* feat: 完善JSSDK上下文方法,保证协程安全,并添加测试文件

* 修改 import 包分组处理

* feat: 修改测试文件中 fmt.Print -> t.Log

* 删除空行
2025-04-23 14:14:16 +08:00

84 lines
2.4 KiB
Go

package js
import (
context2 "context"
"fmt"
"github.com/silenceper/wechat/v2/credential"
"github.com/silenceper/wechat/v2/officialaccount/context"
"github.com/silenceper/wechat/v2/util"
)
// Js struct
type Js struct {
*context.Context
credential.JsTicketHandle
}
// Config 返回给用户jssdk配置信息
type Config struct {
AppID string `json:"app_id"`
Timestamp int64 `json:"timestamp"`
NonceStr string `json:"nonce_str"`
Signature string `json:"signature"`
}
// NewJs init
func NewJs(context *context.Context) *Js {
js := new(Js)
js.Context = context
jsTicketHandle := credential.NewDefaultJsTicket(context.AppID, credential.CacheKeyOfficialAccountPrefix, context.Cache)
js.SetJsTicketHandle(jsTicketHandle)
return js
}
// SetJsTicketHandle 自定义js ticket取值方式
func (js *Js) SetJsTicketHandle(ticketHandle credential.JsTicketHandle) {
js.JsTicketHandle = ticketHandle
}
// GetConfig 获取jssdk需要的配置参数
// uri 为当前网页地址
func (js *Js) GetConfig(uri string) (config *Config, err error) {
return js.GetConfigContext(context2.Background(), uri)
}
// GetConfigContext 新方法,允许传入上下文,避免协程泄漏
func (js *Js) GetConfigContext(ctx context2.Context, uri string) (config *Config, err error) {
var accessToken string
// 类型断言,如果断言成功,调用安全的 GetAccessTokenContext 方法
if ctxHandle, ok := js.Context.AccessTokenHandle.(credential.AccessTokenContextHandle); ok {
accessToken, err = ctxHandle.GetAccessTokenContext(ctx)
} else {
// 如果没有实现 AccessTokenContextHandle 接口,调用旧的 GetAccessToken 方法
accessToken, err = js.Context.GetAccessToken()
}
if err != nil {
return
}
var ticketStr string
// 类型断言 jsTicket
if ticketCtxHandle, ok := js.JsTicketHandle.(credential.JsTicketContextHandle); ok {
ticketStr, err = ticketCtxHandle.GetTicketContext(ctx, accessToken)
} else {
// 如果没有实现 JsTicketContextHandle 接口,调用旧的 GetTicket 方法
ticketStr, err = js.GetTicket(accessToken)
}
if err != nil {
return
}
nonceStr := util.RandomStr(16)
timestamp := util.GetCurrTS()
str := fmt.Sprintf("jsapi_ticket=%s&noncestr=%s&timestamp=%d&url=%s", ticketStr, nonceStr, timestamp, uri)
sigStr := util.Signature(str)
config = new(Config)
config.AppID = js.AppID
config.NonceStr = nonceStr
config.Timestamp = timestamp
config.Signature = sigStr
return
}