feat: add h2c for http server (#8294)

* feat: add h2c for http server

* chore(config): add EnableH2c option

Author: j2rong4cn

cmd/server.go

@@ -4,9 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	ftpserver "github.com/KirCute/ftpserverlib-pasvportmap"
-	"github.com/KirCute/sftpd-alist"
-	"github.com/alist-org/alist/v3/internal/fs"
 	"net"
 	"net/http"
 	"os"
@@ -16,14 +13,19 @@ import (
 	"syscall"
 	"time"
 
+	ftpserver "github.com/KirCute/ftpserverlib-pasvportmap"
+	"github.com/KirCute/sftpd-alist"
 	"github.com/alist-org/alist/v3/cmd/flags"
 	"github.com/alist-org/alist/v3/internal/bootstrap"
 	"github.com/alist-org/alist/v3/internal/conf"
+	"github.com/alist-org/alist/v3/internal/fs"
 	"github.com/alist-org/alist/v3/pkg/utils"
 	"github.com/alist-org/alist/v3/server"
 	"github.com/gin-gonic/gin"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
+	"golang.org/x/net/http2"
+	"golang.org/x/net/http2/h2c"
 )
 
 // ServerCmd represents the server command
@@ -47,11 +49,15 @@ the address is defined in config file`,
 		r := gin.New()
 		r.Use(gin.LoggerWithWriter(log.StandardLogger().Out), gin.RecoveryWithWriter(log.StandardLogger().Out))
 		server.Init(r)
+		var httpHandler http.Handler = r
+		if conf.Conf.Scheme.EnableH2c {
+			httpHandler = h2c.NewHandler(r, &http2.Server{})
+		}
 		var httpSrv, httpsSrv, unixSrv *http.Server
 		if conf.Conf.Scheme.HttpPort != -1 {
 			httpBase := fmt.Sprintf("%s:%d", conf.Conf.Scheme.Address, conf.Conf.Scheme.HttpPort)
 			utils.Log.Infof("start HTTP server @ %s", httpBase)
-			httpSrv = &http.Server{Addr: httpBase, Handler: r}
+			httpSrv = &http.Server{Addr: httpBase, Handler: httpHandler}
 			go func() {
 				err := httpSrv.ListenAndServe()
 				if err != nil && !errors.Is(err, http.ErrServerClosed) {
@@ -72,7 +78,7 @@ the address is defined in config file`,
 		}
 		if conf.Conf.Scheme.UnixFile != "" {
 			utils.Log.Infof("start unix server @ %s", conf.Conf.Scheme.UnixFile)
-			unixSrv = &http.Server{Handler: r}
+			unixSrv = &http.Server{Handler: httpHandler}
 			go func() {
 				listener, err := net.Listen("unix", conf.Conf.Scheme.UnixFile)
 				if err != nil {

go.mod

@@ -68,7 +68,7 @@ require (
 	golang.org/x/crypto v0.36.0
 	golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e
 	golang.org/x/image v0.19.0
-	golang.org/x/net v0.37.0
+	golang.org/x/net v0.38.0
 	golang.org/x/oauth2 v0.22.0
 	golang.org/x/time v0.8.0
 	google.golang.org/appengine v1.6.8

go.sum

@@ -741,6 +741,8 @@ golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
 golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
 golang.org/x/net v0.37.0 h1:1zLorHbz+LYj7MQlSf1+2tPIIgibq2eL5xkrGk6f+2c=
 golang.org/x/net v0.37.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
+golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
+golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=

internal/conf/config.go

@@ -35,6 +35,7 @@ type Scheme struct {
 	KeyFile      string `json:"key_file" env:"KEY_FILE"`
 	UnixFile     string `json:"unix_file" env:"UNIX_FILE"`
 	UnixFilePerm string `json:"unix_file_perm" env:"UNIX_FILE_PERM"`
+	EnableH2c    bool   `json:"enable_h2c" env:"ENABLE_H2C"`
 }
 
 type LogConfig struct {