4623a7f031
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87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package router
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import (
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"crypto/subtle"
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"net/http"
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)
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// Router 路由管理器
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type Router struct {
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mux *http.ServeMux
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}
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// AuthConfig 认证配置
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type AuthConfig struct {
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Username string
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Password string
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}
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// New 创建路由管理器
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func New() *Router {
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return &Router{
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mux: http.NewServeMux(),
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}
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}
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// Handle 注册路由处理器
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func (r *Router) Handle(pattern string, handler http.Handler) {
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r.mux.Handle(pattern, handler)
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}
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// HandleFunc 注册路由处理函数
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func (r *Router) HandleFunc(pattern string, handler http.HandlerFunc) {
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r.mux.HandleFunc(pattern, handler)
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}
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// Group 创建路由组
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func (r *Router) Group(prefix string) *RouteGroup {
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return &RouteGroup{
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router: r,
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prefix: prefix,
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}
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}
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// RouteGroup 路由组
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type RouteGroup struct {
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router *Router
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prefix string
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}
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// HandleFunc 注册路由组处理函数
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func (g *RouteGroup) HandleFunc(pattern string, handler http.HandlerFunc) {
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g.router.mux.HandleFunc(g.prefix+pattern, handler)
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}
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// Handler 返回 http.Handler
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func (r *Router) Handler() http.Handler {
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return r.mux
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}
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// BasicAuthMiddleware 基础认证中间件
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func BasicAuthMiddleware(auth *AuthConfig, next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if auth == nil || (auth.Username == "" && auth.Password == "") {
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next.ServeHTTP(w, r)
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return
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}
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user, pass, ok := r.BasicAuth()
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if !ok {
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w.Header().Set("WWW-Authenticate", `Basic realm="GoTunnel"`)
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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userMatch := subtle.ConstantTimeCompare([]byte(user), []byte(auth.Username)) == 1
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passMatch := subtle.ConstantTimeCompare([]byte(pass), []byte(auth.Password)) == 1
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if !userMatch || !passMatch {
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w.Header().Set("WWW-Authenticate", `Basic realm="GoTunnel"`)
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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next.ServeHTTP(w, r)
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})
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}
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