mirror of
https://github.com/aler9/rtsp-simple-server
synced 2025-09-27 03:56:15 +08:00
120 lines
2.9 KiB
Go
120 lines
2.9 KiB
Go
// Package pprof contains a pprof exporter.
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package pprof
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import (
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"net"
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"net/http"
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"time"
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"github.com/gin-contrib/pprof"
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"github.com/gin-gonic/gin"
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"github.com/bluenviron/mediamtx/internal/auth"
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"github.com/bluenviron/mediamtx/internal/conf"
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"github.com/bluenviron/mediamtx/internal/logger"
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"github.com/bluenviron/mediamtx/internal/protocols/httpp"
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)
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type pprofAuthManager interface {
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Authenticate(req *auth.Request) *auth.Error
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}
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type pprofParent interface {
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logger.Writer
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}
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// PPROF is a pprof exporter.
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type PPROF struct {
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Address string
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Encryption bool
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ServerKey string
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ServerCert string
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AllowOrigin string
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TrustedProxies conf.IPNetworks
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ReadTimeout conf.Duration
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AuthManager pprofAuthManager
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Parent pprofParent
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httpServer *httpp.Server
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}
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// Initialize initializes PPROF.
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func (pp *PPROF) Initialize() error {
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router := gin.New()
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router.SetTrustedProxies(pp.TrustedProxies.ToTrustedProxies()) //nolint:errcheck
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router.Use(pp.middlewareOrigin)
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router.Use(pp.middlewareAuth)
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pprof.Register(router)
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pp.httpServer = &httpp.Server{
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Address: pp.Address,
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ReadTimeout: time.Duration(pp.ReadTimeout),
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Encryption: pp.Encryption,
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ServerCert: pp.ServerCert,
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ServerKey: pp.ServerKey,
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Handler: router,
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Parent: pp,
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}
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err := pp.httpServer.Initialize()
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if err != nil {
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return err
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}
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pp.Log(logger.Info, "listener opened on "+pp.Address)
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return nil
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}
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// Close closes PPROF.
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func (pp *PPROF) Close() {
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pp.Log(logger.Info, "listener is closing")
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pp.httpServer.Close()
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}
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// Log implements logger.Writer.
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func (pp *PPROF) Log(level logger.Level, format string, args ...interface{}) {
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pp.Parent.Log(level, "[pprof] "+format, args...)
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}
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func (pp *PPROF) middlewareOrigin(ctx *gin.Context) {
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ctx.Header("Access-Control-Allow-Origin", pp.AllowOrigin)
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ctx.Header("Access-Control-Allow-Credentials", "true")
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// preflight requests
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if ctx.Request.Method == http.MethodOptions &&
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ctx.Request.Header.Get("Access-Control-Request-Method") != "" {
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ctx.Header("Access-Control-Allow-Methods", "OPTIONS, GET")
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ctx.Header("Access-Control-Allow-Headers", "Authorization")
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ctx.AbortWithStatus(http.StatusNoContent)
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return
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}
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}
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func (pp *PPROF) middlewareAuth(ctx *gin.Context) {
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req := &auth.Request{
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Action: conf.AuthActionPprof,
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Query: ctx.Request.URL.RawQuery,
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Credentials: httpp.Credentials(ctx.Request),
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IP: net.ParseIP(ctx.ClientIP()),
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}
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err := pp.AuthManager.Authenticate(req)
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if err != nil {
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if err.AskCredentials {
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ctx.Header("WWW-Authenticate", `Basic realm="mediamtx"`)
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ctx.AbortWithStatus(http.StatusUnauthorized)
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return
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}
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pp.Log(logger.Info, "connection %v failed to authenticate: %v", httpp.RemoteAddr(ctx), err.Wrapped)
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// wait some seconds to delay brute force attacks
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<-time.After(auth.PauseAfterError)
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ctx.AbortWithStatus(http.StatusUnauthorized)
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return
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}
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}
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