Add support gin web server, and implement basic auth and login middle…

…ware for file server.

cmd/gofs/flag.go

@@ -36,6 +36,8 @@ var (
 	fileServerTLS      bool
 	certFile           string
 	keyFile            string
+	fileServerUsers    string
+	fileServerTemplate string
 )
 
 func parseFlags() {
@@ -67,6 +69,8 @@ func parseFlags() {
 	flag.BoolVar(&fileServer, "server", false, "start a file server to browse source directory and target directory")
 	flag.StringVar(&fileServerAddr, "server_addr", server.DefaultAddrHttps, "a file server binding address")
 	flag.BoolVar(&fileServerTLS, "server_tls", true, fmt.Sprintf("enable https for file server, if disable it, server_addr is \"%s\" default", server.DefaultAddrHttp))
+	flag.StringVar(&fileServerUsers, "server_users", "", "the file server users, format like this, user1|password1,user2|password2")
+	flag.StringVar(&fileServerTemplate, "server_tmpl", "./template/*.html", "the file server template pattern")
 	flag.StringVar(&certFile, "tls_cert_file", "gofs.pem", "cert file for https connections")
 	flag.StringVar(&keyFile, "tls_key_file", "gofs.key", "key file for https connections")
 	flag.Parse()

cmd/gofs/main.go

@@ -56,7 +56,7 @@ func main() {
 	if fileServer {
 		waitInit := retry.NewWaitDone()
 		go func() {
-			err := fs.StartFileServer(sourceVFS, targetVFS, fileServerAddr, waitInit, fileServerTLS, certFile, keyFile)
+			err := fs.StartFileServer(sourceVFS, targetVFS, fileServerAddr, waitInit, fileServerTLS, certFile, keyFile, fileServerUsers, fileServerTemplate)
 			if err != nil {
 				log.Error(err, "start the file server [%s] error", fileServerAddr)
 			}

go.mod

@@ -4,6 +4,28 @@ go 1.17
 
 require (
 	github.com/fsnotify/fsnotify v1.5.1
+	github.com/gin-contrib/sessions v0.0.4
+	github.com/gin-gonic/gin v1.7.7
+	github.com/gorilla/sessions v1.2.0
 	github.com/no-src/log v0.0.5
-	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
+	golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069 // indirect
+)
+
+require (
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.13.0 // indirect
+	github.com/go-playground/universal-translator v0.17.0 // indirect
+	github.com/go-playground/validator/v10 v10.4.1 // indirect
+	github.com/golang/protobuf v1.3.3 // indirect
+	github.com/gorilla/context v1.1.1 // indirect
+	github.com/gorilla/securecookie v1.1.1 // indirect
+	github.com/json-iterator/go v1.1.9 // indirect
+	github.com/leodido/go-urn v1.2.0 // indirect
+	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 // indirect
+	github.com/quasoft/memstore v0.0.0-20191010062613-2bce066d2b0b // indirect
+	github.com/ugorji/go/codec v1.1.7 // indirect
+	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
+	gopkg.in/yaml.v2 v2.2.8 // indirect
 )

go.sum

@@ -1,6 +1,85 @@
+github.com/antonlindstrom/pgstore v0.0.0-20200229204646-b08ebf1105e0/go.mod h1:2Ti6VUHVxpC0VSmTZzEvpzysnaGAfGBOoMIz5ykPyyw=
+github.com/boj/redistore v0.0.0-20180917114910-cd5dcc76aeff/go.mod h1:+RTT1BOk5P97fT2CiHkbFQwkK3mjsFAP6zCYV2aXtjw=
+github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA=
+github.com/bradleypeabody/gorilla-sessions-memcache v0.0.0-20181103040241-659414f458e1/go.mod h1:dkChI7Tbtx7H1Tj7TqGSZMOeGpMP5gLHtjroHd4agiI=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fsnotify/fsnotify v1.5.1 h1:mZcQUHVQUQWoPXXtuf9yuEXKudkV2sx1E06UadKWpgI=
 github.com/fsnotify/fsnotify v1.5.1/go.mod h1:T3375wBYaZdLLcVNkcVbzGHY7f1l/uK5T5Ai1i3InKU=
+github.com/gin-contrib/sessions v0.0.4 h1:gq4fNa1Zmp564iHP5G6EBuktilEos8VKhe2sza1KMgo=
+github.com/gin-contrib/sessions v0.0.4/go.mod h1:pQ3sIyviBBGcxgyR8mkeJuXbeV3h3NYmhJADQTq5+Vo=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
+github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
+github.com/gin-gonic/gin v1.7.4/go.mod h1:jD2toBW3GZUr5UMcdrwQA10I7RuaFOl/SGeDjXkfUtY=
+github.com/gin-gonic/gin v1.7.7 h1:3DoBmSbJbZAWqXJC3SLjAPfutPJJRN1U5pALB7EeTTs=
+github.com/gin-gonic/gin v1.7.7/go.mod h1:axIBovoeJpVj8S3BwE0uPMTeReE4+AfFtqpqaZ1qq1U=
+github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
+github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
+github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
+github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
+github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
+github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
+github.com/go-playground/validator/v10 v10.4.1 h1:pH2c5ADXtd66mxoE0Zm9SUhxE20r7aM3F26W0hOn+GE=
+github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
+github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I=
+github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/gorilla/context v1.1.1 h1:AWwleXJkX/nhcU9bZSnZoi3h/qGYqQAGhq6zZe/aQW8=
+github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
+github.com/gorilla/securecookie v1.1.1 h1:miw7JPhV+b/lAHSXz4qd/nN9jRiAFV5FwjeKyCS8BvQ=
+github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4=
+github.com/gorilla/sessions v1.1.1/go.mod h1:8KCfur6+4Mqcc6S0FEfKuN15Vl5MgXW92AE8ovaJD0w=
+github.com/gorilla/sessions v1.2.0 h1:S7P+1Hm5V/AT9cjEcUD5uDaQSX0OE577aCXgoaKpYbQ=
+github.com/gorilla/sessions v1.2.0/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM=
+github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
+github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/kidstuff/mongostore v0.0.0-20181113001930-e650cd85ee4b/go.mod h1:g2nVr8KZVXJSS97Jo8pJ0jgq29P6H7dG0oplUA86MQw=
+github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
+github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
+github.com/lib/pq v1.10.3/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/memcachier/mc v2.0.1+incompatible/go.mod h1:7bkvFE61leUBvXz+yxsOnGBQSZpBSPIMUQSmmSHvuXc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/no-src/log v0.0.5 h1:5B0wIl5+kB1XXGZKHZugGViXQnzHc7dp5puTro18pe0=
 github.com/no-src/log v0.0.5/go.mod h1:C58ahv0WdsBL3Yxi+v6wyUXzwqk7aEPN+/1ltOsdHXg=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/quasoft/memstore v0.0.0-20191010062613-2bce066d2b0b h1:aUNXCGgukb4gtY99imuIeoh8Vr0GSwAlYxPAhqZrpFc=
+github.com/quasoft/memstore v0.0.0-20191010062613-2bce066d2b0b/go.mod h1:wTPjTepVu7uJBYgZ0SdWHQlIas582j6cn2jgk4DDdlg=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
+github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
+github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
+github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069 h1:siQdpVirKtzPhKl3lZWozZraCFObP8S1v6PRp0bLrtU=
+golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

server/fs/file_server.go

@@ -1,5 +1,5 @@
-//go:build !no_server
-// +build !no_server
+//go:build !no_server && !gin_server
+// +build !no_server,!gin_server
 
 package fs
 
@@ -9,29 +9,48 @@ import (
 	"github.com/no-src/gofs/retry"
 	"github.com/no-src/gofs/server"
 	"github.com/no-src/gofs/server/handler"
+	"github.com/no-src/gofs/server/middleware/auth"
 	"github.com/no-src/gofs/util"
 	"github.com/no-src/log"
+	"html/template"
 	"net/http"
 )
 
 // StartFileServer start a file server
-func StartFileServer(src core.VFS, target core.VFS, addr string, init retry.WaitDone, enableTLS bool, certFile string, keyFile string) error {
+func StartFileServer(src core.VFS, target core.VFS, addr string, init retry.WaitDone, enableTLS bool, certFile string, keyFile string, serverUsers string, serverTemplate string) error {
 	enableFileApi := false
 
-	http.Handle("/", handler.NewDefaultHandler())
+	t, err := template.ParseGlob(serverTemplate)
+	if err != nil {
+		return err
+	}
+
+	// init session
+	store, err := server.DefaultSessionStore()
+	if err != nil {
+		return err
+	}
+
+	http.Handle("/", auth.Auth(handler.NewDefaultHandler(), store))
+
+	http.HandleFunc("/login/index", func(writer http.ResponseWriter, request *http.Request) {
+		t.ExecuteTemplate(writer, "login.html", nil)
+	})
+
+	http.Handle("/login/submit", auth.NewLoginHandler(store, serverUsers))
 
 	if src.IsDisk() || src.Is(core.RemoteDisk) {
-		http.Handle(server.SrcRoutePrefix, http.StripPrefix(server.SrcRoutePrefix, http.FileServer(http.Dir(src.Path()))))
+		http.Handle(server.SrcRoutePrefix, auth.Auth(http.StripPrefix(server.SrcRoutePrefix, http.FileServer(http.Dir(src.Path()))), store))
 		enableFileApi = true
 	}
 
 	if target.IsDisk() {
-		http.Handle(server.TargetRoutePrefix, http.StripPrefix(server.TargetRoutePrefix, http.FileServer(http.Dir(target.Path()))))
+		http.Handle(server.TargetRoutePrefix, auth.Auth(http.StripPrefix(server.TargetRoutePrefix, http.FileServer(http.Dir(target.Path()))), store))
 		enableFileApi = true
 	}
 
 	if enableFileApi {
-		http.Handle(server.QueryRoute, handler.NewFileApiHandler(http.Dir(src.Path())))
+		http.Handle(server.QueryRoute, auth.Auth(handler.NewFileApiHandler(http.Dir(src.Path())), store))
 	}
 
 	log.Log("file server [%s] starting...", addr)

server/fs/gin_file_server.go

@@ -0,0 +1,102 @@
+//go:build gin_server
+// +build gin_server
+
+package fs
+
+import (
+	"fmt"
+	"github.com/gin-contrib/sessions"
+	"github.com/gin-gonic/gin"
+	"github.com/no-src/gofs/core"
+	"github.com/no-src/gofs/retry"
+	"github.com/no-src/gofs/server"
+	"github.com/no-src/gofs/server/handler"
+	"github.com/no-src/gofs/server/middleware/auth"
+	"github.com/no-src/gofs/util"
+	"github.com/no-src/log"
+	"io"
+	"net/http"
+	"os"
+)
+
+// StartFileServer start a file server by gin
+func StartFileServer(src core.VFS, target core.VFS, addr string, init retry.WaitDone, enableTLS bool, certFile string, keyFile string, serverUsers string, serverTemplate string) error {
+	enableFileApi := false
+
+	// init log
+	ginLog, err := os.OpenFile("gin.log", os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0666)
+	if err != nil {
+		return err
+	}
+	gin.DefaultWriter = io.MultiWriter(ginLog, os.Stdout)
+
+	engine := gin.Default()
+	engine.LoadHTMLGlob(serverTemplate)
+
+	// init session
+	store, err := server.DefaultSessionStore()
+	if err != nil {
+		return err
+	}
+	engine.Use(sessions.Sessions(server.SessionName, store))
+
+	loginGroup := engine.Group("/login")
+
+	loginGroup.GET("/index", func(context *gin.Context) {
+		context.HTML(http.StatusOK, "login.html", nil)
+	})
+
+	loginGroup.POST("/submit", func(context *gin.Context) {
+		auth.NewLoginHandler(store, serverUsers).ServeHTTP(context.Writer, context.Request)
+	})
+
+	rootGroup := engine.Group("/").Use(func(context *gin.Context) {
+		auth.NewAuthHandler(store).ServeHTTP(context.Writer, context.Request)
+	})
+
+	rootGroup.GET("/", func(context *gin.Context) {
+		handler.NewDefaultHandler().ServeHTTP(context.Writer, context.Request)
+	})
+
+	if src.IsDisk() || src.Is(core.RemoteDisk) {
+		rootGroup.StaticFS(server.SrcRoutePrefix, http.Dir(src.Path()))
+		enableFileApi = true
+	}
+
+	if target.IsDisk() {
+		rootGroup.StaticFS(server.TargetRoutePrefix, http.Dir(target.Path()))
+		enableFileApi = true
+	}
+
+	if enableFileApi {
+		rootGroup.GET(server.QueryRoute, func(context *gin.Context) {
+			handler.NewFileApiHandler(http.Dir(src.Path())).ServeHTTP(context.Writer, context.Request)
+		})
+	}
+
+	log.Log("file server [%s] starting...", addr)
+	server.InitServerInfo(addr, enableTLS)
+	init.Done()
+
+	if enableTLS {
+		exist, err := util.FileExist(certFile)
+		if err != nil {
+			return err
+		}
+		if !exist {
+			return fmt.Errorf("cert file is not found for https => %s", certFile)
+		}
+		exist, err = util.FileExist(keyFile)
+		if err != nil {
+			return err
+		}
+		if !exist {
+			return fmt.Errorf("key file is not found for https => %s", keyFile)
+		}
+
+		return engine.RunTLS(addr, certFile, keyFile)
+	} else {
+		log.Warn("file server is not a security connection, you need the https replaced maybe!")
+		return engine.Run(addr)
+	}
+}

server/fs/no_server.go

@@ -11,7 +11,7 @@ import (
 import "errors"
 
 // StartFileServer start a file server
-func StartFileServer(src core.VFS, target core.VFS, addr string, init retry.WaitDone, enableTLS bool, certFile string, keyFile string) error {
+func StartFileServer(src core.VFS, target core.VFS, addr string, init retry.WaitDone, enableTLS bool, certFile string, keyFile string, serverUsers string, serverTemplate string) error {
 	init.Done()
 	return errors.New("file server is not supported. if you need a file server, try to rebuild without 'no_server' tags")
 }

server/middleware/auth/auth.go

@@ -0,0 +1,38 @@
+package auth
+
+import (
+	"github.com/gorilla/sessions"
+	"github.com/no-src/gofs/server"
+	"net/http"
+)
+
+type authHandler struct {
+	store sessions.Store
+}
+
+func NewAuthHandler(store sessions.Store) http.Handler {
+	return &authHandler{
+		store: store,
+	}
+}
+
+func (h *authHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
+	defer func() {
+		e := recover()
+		if e != nil {
+			writer.Write([]byte("user auth error"))
+		}
+	}()
+	session, _ := h.store.Get(request, server.SessionName)
+	user := session.Values[server.SessionUser]
+	if user == nil {
+		http.Redirect(writer, request, "/login/index", http.StatusFound)
+	}
+}
+
+func Auth(h http.Handler, store sessions.Store) http.HandlerFunc {
+	return func(writer http.ResponseWriter, request *http.Request) {
+		NewAuthHandler(store).ServeHTTP(writer, request)
+		h.ServeHTTP(writer, request)
+	}
+}