X-Git-Url: https://code.octet-stream.net/broadcaster/blobdiff_plain/7b615b3c71825b5b229b78509a16db37e1d3f38d..db43bd0e4ff4a2aee5f6a6610a4ad78c357f96b0:/server/main.go

diff --git a/server/main.go b/server/main.go
index 8f76cbf..d1d47d3 100644
--- a/server/main.go
+++ b/server/main.go
@@ -5,6 +5,7 @@ import (
 	"embed"
 	"flag"
 	"fmt"
+	"golang.org/x/crypto/bcrypt"
 	"golang.org/x/net/websocket"
 	"html/template"
 	"io"
@@ -22,6 +23,7 @@ const formatString = "2006-01-02T15:04"
 
 //go:embed templates/*
 var content embed.FS
+
 //var content = os.DirFS("../broadcaster-server/")
 
 var config ServerConfig = NewServerConfig()
@@ -75,40 +77,95 @@ func main() {
 	// Public routes
 
 	http.HandleFunc("/login", logInPage)
-	http.Handle("/file-downloads/", http.StripPrefix("/file-downloads/", http.FileServer(http.Dir(config.AudioFilesPath))))
+	http.Handle("/file-downloads/", applyDisposition(http.StripPrefix("/file-downloads/", http.FileServer(http.Dir(config.AudioFilesPath)))))
 
 	// Authenticated routes
 
-	http.HandleFunc("/", homePage)
-	http.HandleFunc("/logout", logOutPage)
-	http.HandleFunc("/change-password", changePasswordPage)
+	http.Handle("/", requireUser(homePage))
+	http.Handle("/logout", requireUser(logOutPage))
+	http.Handle("/change-password", requireUser(changePasswordPage))
 
-	http.HandleFunc("/playlists/", playlistSection)
-	http.HandleFunc("/files/", fileSection)
-	http.HandleFunc("/radios/", radioSection)
+	http.Handle("/playlists/", requireUser(playlistSection))
+	http.Handle("/files/", requireUser(fileSection))
+	http.Handle("/radios/", requireUser(radioSection))
 
-	http.Handle("/radio-ws", websocket.Handler(RadioSync))
-	http.Handle("/web-ws", websocket.Handler(WebSync))
-	http.HandleFunc("/stop", stopPage)
+	http.Handle("/stop", requireUser(stopPage))
 
 	// Admin routes
 
+	http.Handle("/users/", requireAdmin(userSection))
+
+	// Websocket routes, which perform their own auth
+
+	http.Handle("/radio-ws", websocket.Handler(RadioSync))
+	http.Handle("/web-ws", websocket.Handler(WebSync))
+
 	err := http.ListenAndServe(config.BindAddress+":"+strconv.Itoa(config.Port), nil)
 	if err != nil {
 		log.Fatal(err)
 	}
 }
 
+type DispositionMiddleware struct {
+	handler http.Handler
+}
+
+func (m DispositionMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	log.Println("path", r.URL.Path)
+	if r.URL.Path != "/file-downloads/" {
+		w.Header().Add("Content-Disposition", "attachment")
+	}
+	m.handler.ServeHTTP(w, r)
+}
+
+func applyDisposition(handler http.Handler) DispositionMiddleware {
+	return DispositionMiddleware{
+		handler: handler,
+	}
+}
+
+type authenticatedHandler func(http.ResponseWriter, *http.Request, User)
+
+type AuthMiddleware struct {
+	handler     authenticatedHandler
+	mustBeAdmin bool
+}
+
+func (m AuthMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	user, err := currentUser(w, r)
+	if err != nil || (m.mustBeAdmin && !user.IsAdmin) {
+		http.Redirect(w, r, "/login", http.StatusFound)
+		return
+	}
+	m.handler(w, r, user)
+}
+
+func requireUser(handler authenticatedHandler) AuthMiddleware {
+	return AuthMiddleware{
+		handler:     handler,
+		mustBeAdmin: false,
+	}
+}
+
+func requireAdmin(handler authenticatedHandler) AuthMiddleware {
+	return AuthMiddleware{
+		handler:     handler,
+		mustBeAdmin: true,
+	}
+}
+
 type HeaderData struct {
 	SelectedMenu string
-	Username string
+	User         User
+	Version      string
 }
 
-func renderHeader(w http.ResponseWriter, selectedMenu string) {
+func renderHeader(w http.ResponseWriter, selectedMenu string, user User) {
 	tmpl := template.Must(template.ParseFS(content, "templates/header.html"))
 	data := HeaderData{
 		SelectedMenu: selectedMenu,
-		Username: "username",
+		User:         user,
+		Version:      version,
 	}
 	err := tmpl.Execute(w, data)
 	if err != nil {
@@ -129,8 +186,8 @@ type HomeData struct {
 	Username string
 }
 
-func homePage(w http.ResponseWriter, r *http.Request) {
-	renderHeader(w, "status")
+func homePage(w http.ResponseWriter, r *http.Request, user User) {
+	renderHeader(w, "status", user)
 	tmpl := template.Must(template.ParseFS(content, "templates/index.html"))
 	data := HomeData{
 		LoggedIn: true,
@@ -145,7 +202,6 @@ type LogInData struct {
 }
 
 func logInPage(w http.ResponseWriter, r *http.Request) {
-	log.Println("Log in page!")
 	r.ParseForm()
 	username := r.Form["username"]
 	password := r.Form["password"]
@@ -164,37 +220,37 @@ func logInPage(w http.ResponseWriter, r *http.Request) {
 	data := LogInData{
 		Error: errText,
 	}
-	renderHeader(w, "")
+	renderHeader(w, "", User{})
 	tmpl := template.Must(template.ParseFS(content, "templates/login.html"))
 	tmpl.Execute(w, data)
 	renderFooter(w)
 }
 
-func playlistSection(w http.ResponseWriter, r *http.Request) {
+func playlistSection(w http.ResponseWriter, r *http.Request, user User) {
 	path := strings.Split(r.URL.Path, "/")
 	if len(path) != 3 {
 		http.NotFound(w, r)
 		return
 	}
 	if path[2] == "new" {
-		editPlaylistPage(w, r, 0)
+		editPlaylistPage(w, r, 0, user)
 	} else if path[2] == "submit" && r.Method == "POST" {
 		submitPlaylist(w, r)
 	} else if path[2] == "delete" && r.Method == "POST" {
 		deletePlaylist(w, r)
 	} else if path[2] == "" {
-		playlistsPage(w, r)
+		playlistsPage(w, r, user)
 	} else {
 		id, err := strconv.Atoi(path[2])
 		if err != nil {
 			http.NotFound(w, r)
 			return
 		}
-		editPlaylistPage(w, r, id)
+		editPlaylistPage(w, r, id, user)
 	}
 }
 
-func fileSection(w http.ResponseWriter, r *http.Request) {
+func fileSection(w http.ResponseWriter, r *http.Request, user User) {
 	path := strings.Split(r.URL.Path, "/")
 	if len(path) != 3 {
 		http.NotFound(w, r)
@@ -205,48 +261,160 @@ func fileSection(w http.ResponseWriter, r *http.Request) {
 	} else if path[2] == "delete" && r.Method == "POST" {
 		deleteFile(w, r)
 	} else if path[2] == "" {
-		filesPage(w, r)
+		filesPage(w, r, user)
 	} else {
 		http.NotFound(w, r)
 		return
 	}
 }
 
-func radioSection(w http.ResponseWriter, r *http.Request) {
+func radioSection(w http.ResponseWriter, r *http.Request, user User) {
 	path := strings.Split(r.URL.Path, "/")
 	if len(path) != 3 {
 		http.NotFound(w, r)
 		return
 	}
 	if path[2] == "new" {
-		editRadioPage(w, r, 0)
+		editRadioPage(w, r, 0, user)
 	} else if path[2] == "submit" && r.Method == "POST" {
 		submitRadio(w, r)
 	} else if path[2] == "delete" && r.Method == "POST" {
 		deleteRadio(w, r)
 	} else if path[2] == "" {
-		radiosPage(w, r)
+		radiosPage(w, r, user)
 	} else {
 		id, err := strconv.Atoi(path[2])
 		if err != nil {
 			http.NotFound(w, r)
 			return
 		}
-		editRadioPage(w, r, id)
+		editRadioPage(w, r, id, user)
 	}
 }
 
+func userSection(w http.ResponseWriter, r *http.Request, user User) {
+	path := strings.Split(r.URL.Path, "/")
+	if len(path) != 3 {
+		http.NotFound(w, r)
+		return
+	}
+	if path[2] == "new" {
+		editUserPage(w, r, 0, user)
+	} else if path[2] == "submit" && r.Method == "POST" {
+		submitUser(w, r)
+	} else if path[2] == "delete" && r.Method == "POST" {
+		deleteUser(w, r)
+	} else if path[2] == "reset-password" && r.Method == "POST" {
+		resetUserPassword(w, r)
+	} else if path[2] == "" {
+		usersPage(w, r, user)
+	} else {
+		id, err := strconv.Atoi(path[2])
+		if err != nil {
+			http.NotFound(w, r)
+			return
+		}
+		editUserPage(w, r, id, user)
+	}
+}
+
+type EditUserPageData struct {
+	User User
+}
+
+func editUserPage(w http.ResponseWriter, r *http.Request, id int, user User) {
+	var data EditUserPageData
+	if id != 0 {
+		user, err := db.GetUserById(id)
+		if err != nil {
+			http.NotFound(w, r)
+			return
+		}
+		data.User = user
+	}
+	renderHeader(w, "users", user)
+	tmpl := template.Must(template.ParseFS(content, "templates/user.html"))
+	tmpl.Execute(w, data)
+	renderFooter(w)
+}
+
+func submitUser(w http.ResponseWriter, r *http.Request) {
+	err := r.ParseForm()
+	if err == nil {
+		id, err := strconv.Atoi(r.Form.Get("userId"))
+		if err != nil {
+			return
+		}
+		if id == 0 {
+			newPassword := r.Form.Get("password")
+			hashed, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.DefaultCost)
+			if err != nil {
+				return
+			}
+			user := User{
+				Id:           0,
+				Username:     r.Form.Get("username"),
+				IsAdmin:      r.Form.Get("isAdmin") == "1",
+				PasswordHash: string(hashed),
+			}
+			db.CreateUser(user)
+		} else {
+			user, err := db.GetUserById(id)
+			if err != nil {
+				http.NotFound(w, r)
+				return
+			}
+			db.SetUserIsAdmin(user.Username, r.Form.Get("isAdmin") == "1")
+		}
+	}
+	http.Redirect(w, r, "/users/", http.StatusFound)
+}
+
+func deleteUser(w http.ResponseWriter, r *http.Request) {
+	err := r.ParseForm()
+	if err == nil {
+		id, err := strconv.Atoi(r.Form.Get("userId"))
+		if err != nil {
+			return
+		}
+		user, err := db.GetUserById(id)
+		if err != nil {
+			http.NotFound(w, r)
+			return
+		}
+		db.DeleteUser(user.Username)
+	}
+	http.Redirect(w, r, "/users/", http.StatusFound)
+}
+
+func resetUserPassword(w http.ResponseWriter, r *http.Request) {
+	err := r.ParseForm()
+	if err == nil {
+		id, err := strconv.Atoi(r.Form.Get("userId"))
+		if err != nil {
+			return
+		}
+		user, err := db.GetUserById(id)
+		if err != nil {
+			http.NotFound(w, r)
+			return
+		}
+		newPassword := r.Form.Get("newPassword")
+		hashed, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.DefaultCost)
+		if err != nil {
+			return
+		}
+		db.SetUserPassword(user.Username, string(hashed))
+	}
+	http.Redirect(w, r, "/users/", http.StatusFound)
+}
+
 type ChangePasswordPageData struct {
 	Message  string
 	ShowForm bool
 }
 
-func changePasswordPage(w http.ResponseWriter, r *http.Request) {
-	user, err := currentUser(w, r)
-	if err != nil {
-		http.Redirect(w, r, "/login", http.StatusFound)
-		return
-	}
+func changePasswordPage(w http.ResponseWriter, r *http.Request, user User) {
 	var data ChangePasswordPageData
 	if r.Method == "POST" {
 		err := r.ParseForm()
@@ -265,7 +433,7 @@ func changePasswordPage(w http.ResponseWriter, r *http.Request) {
 			data.ShowForm = false
 			cookie, err := r.Cookie("broadcast_session")
 			if err == nil {
-				log.Println("clearing other sessions for username", user.Username, "token", cookie.Value)
+				log.Println("Clearing other sessions for username", user.Username, "token", cookie.Value)
 				db.ClearOtherSessions(user.Username, cookie.Value)
 			}
 		}
@@ -273,9 +441,26 @@ func changePasswordPage(w http.ResponseWriter, r *http.Request) {
 		data.Message = ""
 		data.ShowForm = true
 	}
-	renderHeader(w, "change-password")
+	renderHeader(w, "change-password", user)
 	tmpl := template.Must(template.ParseFS(content, "templates/change_password.html"))
-	err = tmpl.Execute(w, data)
+	err := tmpl.Execute(w, data)
+	if err != nil {
+		log.Fatal(err)
+	}
+	renderFooter(w)
+}
+
+type UsersPageData struct {
+	Users []User
+}
+
+func usersPage(w http.ResponseWriter, _ *http.Request, user User) {
+	renderHeader(w, "users", user)
+	data := UsersPageData{
+		Users: db.GetUsers(),
+	}
+	tmpl := template.Must(template.ParseFS(content, "templates/users.html"))
+	err := tmpl.Execute(w, data)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -286,11 +471,14 @@ type PlaylistsPageData struct {
 	Playlists []Playlist
 }
 
-func playlistsPage(w http.ResponseWriter, _ *http.Request) {
-	renderHeader(w, "playlists")
+func playlistsPage(w http.ResponseWriter, _ *http.Request, user User) {
+	renderHeader(w, "playlists", user)
 	data := PlaylistsPageData{
 		Playlists: db.GetPlaylists(),
 	}
+	for i := range data.Playlists {
+		data.Playlists[i].StartTime = strings.Replace(data.Playlists[i].StartTime, "T", " ", -1)
+	}
 	tmpl := template.Must(template.ParseFS(content, "templates/playlists.html"))
 	err := tmpl.Execute(w, data)
 	if err != nil {
@@ -303,8 +491,8 @@ type RadiosPageData struct {
 	Radios []Radio
 }
 
-func radiosPage(w http.ResponseWriter, _ *http.Request) {
-	renderHeader(w, "radios")
+func radiosPage(w http.ResponseWriter, _ *http.Request, user User) {
+	renderHeader(w, "radios", user)
 	data := RadiosPageData{
 		Radios: db.GetRadios(),
 	}
@@ -322,7 +510,7 @@ type EditPlaylistPageData struct {
 	Files    []string
 }
 
-func editPlaylistPage(w http.ResponseWriter, r *http.Request, id int) {
+func editPlaylistPage(w http.ResponseWriter, r *http.Request, id int, user User) {
 	var data EditPlaylistPageData
 	for _, f := range files.Files() {
 		data.Files = append(data.Files, f.Name)
@@ -341,7 +529,7 @@ func editPlaylistPage(w http.ResponseWriter, r *http.Request, id int) {
 		data.Playlist = playlist
 		data.Entries = db.GetEntriesForPlaylist(id)
 	}
-	renderHeader(w, "radios")
+	renderHeader(w, "playlists", user)
 	tmpl := template.Must(template.ParseFS(content, "templates/playlist.html"))
 	tmpl.Execute(w, data)
 	renderFooter(w)
@@ -417,7 +605,7 @@ type EditRadioPageData struct {
 	Radio Radio
 }
 
-func editRadioPage(w http.ResponseWriter, r *http.Request, id int) {
+func editRadioPage(w http.ResponseWriter, r *http.Request, id int, user User) {
 	var data EditRadioPageData
 	if id == 0 {
 		data.Radio.Name = "New Radio"
@@ -430,7 +618,7 @@ func editRadioPage(w http.ResponseWriter, r *http.Request, id int) {
 		}
 		data.Radio = radio
 	}
-	renderHeader(w, "radios")
+	renderHeader(w, "radios", user)
 	tmpl := template.Must(template.ParseFS(content, "templates/radio.html"))
 	tmpl.Execute(w, data)
 	renderFooter(w)
@@ -472,12 +660,11 @@ type FilesPageData struct {
 	Files []FileSpec
 }
 
-func filesPage(w http.ResponseWriter, _ *http.Request) {
-	renderHeader(w, "files")
+func filesPage(w http.ResponseWriter, _ *http.Request, user User) {
+	renderHeader(w, "files", user)
 	data := FilesPageData{
 		Files: files.Files(),
 	}
-	log.Println("file page data", data)
 	tmpl := template.Must(template.ParseFS(content, "templates/files.html"))
 	err := tmpl.Execute(w, data)
 	if err != nil {
@@ -506,26 +693,25 @@ func uploadFile(w http.ResponseWriter, r *http.Request) {
 		f, _ := os.Create(path)
 		defer f.Close()
 		io.Copy(f, file)
-		log.Println("uploaded file to", path)
+		log.Println("Uploaded file to", path)
 		files.Refresh()
 	}
 	http.Redirect(w, r, "/files/", http.StatusFound)
 }
 
-func logOutPage(w http.ResponseWriter, r *http.Request) {
+func logOutPage(w http.ResponseWriter, r *http.Request, user User) {
+	cookie, err := r.Cookie("broadcast_session")
+	if err == nil {
+		db.ClearSession(user.Username, cookie.Value)
+	}
 	clearSessionCookie(w)
-	renderHeader(w, "")
+	renderHeader(w, "", user)
 	tmpl := template.Must(template.ParseFS(content, "templates/logout.html"))
 	tmpl.Execute(w, nil)
 	renderFooter(w)
 }
 
-func stopPage(w http.ResponseWriter, r *http.Request) {
-	_, err := currentUser(w, r)
-	if err != nil {
-		http.Redirect(w, r, "/login", http.StatusFound)
-		return
-	}
+func stopPage(w http.ResponseWriter, r *http.Request, user User) {
 	r.ParseForm()
 	radioId, err := strconv.Atoi(r.Form.Get("radioId"))
 	if err != nil {