mrlee
278f8267b7
- 公网反代：Nginx 状态卡片（版本 / 运行状态 / 配置校验 / 端口监听） - 部署设置第一、二梯队（HTTPS 开关、安全头、限流、连接数、仅中国大陆 IP） - 隧道检测兼容 frps v0.68 / v0.71（V2 与旧版端点） - 恢复被清空的 internal/frp/store.go、internal/api/ddns_handler.go、web/src/views/DdnsView.vue
65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
package api
|
|
|
|
import (
|
|
"encoding/json"
|
|
"log/slog"
|
|
"net/http"
|
|
"reflect"
|
|
)
|
|
|
|
type ErrorBody struct {
|
|
Error string `json:"error"`
|
|
}
|
|
|
|
func writeJSON(w http.ResponseWriter, status int, payload any) {
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
w.WriteHeader(status)
|
|
if payload == nil {
|
|
_, _ = w.Write([]byte("null"))
|
|
return
|
|
}
|
|
// Go nil slices/maps encode as JSON null; clients expect [] / {}.
|
|
v := reflect.ValueOf(payload)
|
|
switch v.Kind() {
|
|
case reflect.Slice:
|
|
if v.IsNil() {
|
|
_, _ = w.Write([]byte("[]"))
|
|
return
|
|
}
|
|
case reflect.Map:
|
|
if v.IsNil() {
|
|
_, _ = w.Write([]byte("{}"))
|
|
return
|
|
}
|
|
}
|
|
_ = json.NewEncoder(w).Encode(payload)
|
|
}
|
|
|
|
func writeError(r *http.Request, w http.ResponseWriter, status int, message string, cause ...error) {
|
|
logAPIError(r, status, message, cause)
|
|
writeJSON(w, status, ErrorBody{Error: message})
|
|
}
|
|
|
|
func logAPIError(r *http.Request, status int, message string, cause []error) {
|
|
if status < 400 {
|
|
return
|
|
}
|
|
attrs := []any{
|
|
"module", "API",
|
|
"status", status,
|
|
"message", message,
|
|
}
|
|
if r != nil {
|
|
attrs = append(attrs, "method", r.Method, "path", r.URL.Path)
|
|
}
|
|
if len(cause) > 0 && cause[0] != nil {
|
|
attrs = append(attrs, "error", cause[0].Error())
|
|
}
|
|
switch {
|
|
case status >= 500:
|
|
slog.Error("request failed", attrs...)
|
|
default:
|
|
slog.Warn("request rejected", attrs...)
|
|
}
|
|
}
|