gohttp/server/middleware.go

63 lines
1.5 KiB
Go

package server
import (
"encoding/json"
"net/http"
"strings"
"git.pyer.club/kingecg/gohttpd/model"
)
type Middleware func(w http.ResponseWriter, r *http.Request, next func())
func BasicAuth(w http.ResponseWriter, r *http.Request, next func()) {
config := model.GetConfig()
if config.Admin.Username == "" || config.Admin.Password == "" {
next()
return
}
user, pass, ok := r.BasicAuth()
if ok && user == config.Admin.Username && pass == config.Admin.Password {
next()
} else {
w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
http.Error(w, "Unauthorized.", http.StatusUnauthorized)
}
}
func Parse[T any](w http.ResponseWriter, r *http.Request, next func()) {
if r.Method == "POST" || r.Method == "PUT" {
//判断r的content-type是否是application/x-www-form-urlencoded
if r.Header.Get("Content-Type") == "application/x-www-form-urlencoded" {
r.ParseForm()
next()
return
}
if r.Header.Get("Content-Type") == "multipart/form-data" {
r.ParseMultipartForm(r.ContentLength)
next()
return
}
// 判断r的content-type是否是application/json
contentType := r.Header.Get("Content-Type")
if strings.Contains(contentType, "application/json") {
var t T
// 读取json数据
if err := json.NewDecoder(r.Body).Decode(&t); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
ctx := r.Context()
m := ctx.Value(RequestCtxKey("data")).(map[string]interface{})
if m != nil {
m["data"] = t
}
next()
return
}
}
next()
}