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@@ -31,18 +31,15 @@ const errTryTime = 10 //错误尝试
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func InitGateWayServer(initCtx gctx.Ctx) *ghttp.Server {
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initCtx, span := gtrace.NewSpan(initCtx, "InitGateWayServer")
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defer span.End()
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-
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//初始化可访问路由
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routerManager, err := router.InitRouterManager()
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if err != nil {
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log.WithContext(initCtx).Fatalln(err)
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}
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-
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gateWayServer := g.Server()
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//关闭系统自带请求日志
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- //gateWayServer.SetLogger(g.Log())
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- //gateWayServer.SetErrorLogEnabled(false)
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-
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+ gateWayServer.SetLogger(g.Log())
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+ gateWayServer.SetErrorLogEnabled(false)
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//注册中间件
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//错误拦截
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gateWayServer.Use(func(r *ghttp.Request) {
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@@ -55,7 +52,6 @@ func InitGateWayServer(initCtx gctx.Ctx) *ghttp.Server {
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})
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//前置过滤
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gateWayServer.Use(middleware.FilterHandler)
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-
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//注册代理
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gateWayServer.BindHandler("POST:/*", proxyHandler) //接口代理
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gateWayServer.BindHandler("GET:/*", proxyHandler) //页面代理
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@@ -95,29 +91,41 @@ var proxyHandler = func(r *ghttp.Request) {
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change := func(resp *http.Response) error {
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if resp.StatusCode != 200 {
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return errors.New(fmt.Sprintf("RespError_%d", GLOBAL_ERR_SERVICE))
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- }
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- if gCtx.RouterRule.Price <= 0 {
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+ } else if gCtx.RouterRule.Price <= 0 { //免费接口不处理
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return nil
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}
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status := 0
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- b, e := ioutil.ReadAll(resp.Body)
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- if e == nil {
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- resp.Body = ioutil.NopCloser(bytes.NewReader(b))
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+ isCharging := false //是否扣费
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+ result := ""
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+ if contentType := resp.Header.Get("content-type"); contentType == "application/json" {
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+ b, e := ioutil.ReadAll(resp.Body)
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+ if e == nil {
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+ resp.Body = ioutil.NopCloser(bytes.NewReader(b))
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+ }
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+ jn, err := gjson.DecodeToJson(b)
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+ if err != nil {
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+ log.WithContext(r.Context()).Error("ChangeError", err)
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+ } else if !jn.Contains("error_code") {
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+ log.WithContext(r.Context()).Error("ChangeError:缺少error_code", string(b))
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+ } else if jn.Get("error_code").Int64() == 0 {
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+ isCharging = true
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+ result = string(b)
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+ } else {
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+ status = 1
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+ }
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+ } else if strings.Contains(resp.Header.Get("Content-Disposition"), "attachment") && resp.ContentLength > 0 { //下载文件
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+ isCharging = true
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+ result = fmt.Sprint(resp.ContentLength)
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}
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- jn, err := gjson.DecodeToJson(b)
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- if err != nil {
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- log.WithContext(r.Context()).Error("ChangeError", err)
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- } else if !jn.Contains("error_code") {
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- log.WithContext(r.Context()).Error("ChangeError:缺少error_code")
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- } else if jn.Get("error_code").Int64() == 0 {
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+ if isCharging {
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if db.GateWatMySql.ExecTx("计费处理", func(tx *sql.Tx) bool {
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appid := r.GetQuery("appid").String()
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- updateRes := db.GateWatMySql.UpdateOrDeleteBySqlByTx(tx, `update thirdparty.user set amount=amount-? where appid=?`, gCtx.RouterRule.Price, appid)
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+ updateRes := db.GateWatMySql.UpdateOrDeleteBySqlByTx(tx, `update user set amount=amount-? where appid=?`, gCtx.RouterRule.Price, appid)
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if updateRes <= 0 {
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log.WithContext(r.Context()).Error(appid, "更新计费失败")
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return false
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}
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- datas := db.GateWatMySql.SelectBySqlByTx(tx, `select amount from thirdparty.user where appid=?`, appid)
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+ datas := db.GateWatMySql.SelectBySqlByTx(tx, `select amount from user where appid=?`, appid)
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if datas == nil || len(*datas) == 0 {
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log.WithContext(r.Context()).Error(appid, "没有找到该账户信息")
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return false
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@@ -129,7 +137,7 @@ var proxyHandler = func(r *ghttp.Request) {
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log.WithContext(r.Context()).Error(appid, "余额不足")
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return false
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}
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- logRes1, logRes2 := db.GateWatMySql.InsertBatchByTx(tx, "thirdparty.log", []string{"appid", "url", "param", "result", "price", "surplus", "ip", "create_time"}, []interface{}{appid, gCtx.RouterRule.ReqUrl, string(reqBody), string(b), gCtx.RouterRule.Price, amount, r.GetClientIp(), gtime.Now().String()})
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+ logRes1, logRes2 := db.GateWatMySql.InsertBatchByTx(tx, "log", []string{"appid", "url", "param", "result", "price", "surplus", "ip", "create_time"}, []interface{}{appid, gCtx.RouterRule.ReqUrl, string(reqBody), result, gCtx.RouterRule.Price, amount, r.GetClientIp(), gtime.Now().String()})
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if logRes1 <= 0 || logRes2 <= 0 {
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return false
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}
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@@ -141,27 +149,20 @@ var proxyHandler = func(r *ghttp.Request) {
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if status == 0 {
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return errors.New(fmt.Sprintf("RespError_%d", GLOBAL_ERR_SERVICE))
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} else if status == -1 {
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- r.SetError(NewErrorWithCode(GLOBAL_ERR_NOBALANCE, "余额不足"))
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return errors.New(fmt.Sprintf("RespError_%d", GLOBAL_ERR_NOBALANCE))
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- } else if status == 1 {
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- resp.Body = ioutil.NopCloser(bytes.NewReader(b))
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}
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return nil
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}
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serverUrl, _ := url.Parse(gCtx.RouterRule.Server)
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// 请求重试,防止某个服务中断不可用,导致接口不可用。
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for i := 0; i < errTryTime; i++ {
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- // 代理地址存入上下文ctx中
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- //gCtx.ServerAddr = serverUrl.String()
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- //router.UpdateGContext(r, gCtx)
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- // 捕获异常,若代理出错,则进行重试
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// 代理请求
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proxyClient.CreateCustomProxyClient(serverUrl, errHandel, change).ServeHTTP(r.Response.ResponseWriter, r.Request)
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// 未捕获到请求,标识请求成功
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if !hasErr {
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break
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} else if i == (errTryTime - 1) {
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- r.SetError(NewErrorWithCode(GLOBAL_ERR_SERVICE, fmt.Sprintf("代理异常:%s", serverUrl.String())))
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+ r.SetError(NewErrorWithCode(GLOBAL_ERR_SERVICE, fmt.Sprintf("远端服务异常:%s", serverUrl.String())))
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}
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}
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}
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