golang/fiber-sessions
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Login / logout

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This commit is contained in:
Eden Kirin
2024-02-06 15:39:55 +01:00
parent 8ecfeb71e6
commit 75cded4054
12 changed files with 239 additions and 112 deletions
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13
app/handlers/home.go
View File

@ -1,23 +1,20 @@
package handlers
import (
"fiber-sessions/app/handlers/usersession"
"fiber-sessions/app/templates"
"fiber-sessions/app/types"
"github.com/gofiber/fiber/v2"
)
func Home(f *fiber.Ctx) error {
user := types.User{
FirstName: "Pero",
LastName: "Perić",
}
func Home(ctx *fiber.Ctx) error {
requestSession := usersession.NewRequestSession(ctx)
pc := templates.PageContext{
Title: "Welcome to the demo",
ActivePage: "home",
User: &user,
RequestSession: requestSession,
}
Render(f, templates.Home(pc))
Render(ctx, templates.Home(pc))
return nil
}

51
app/handlers/login.go
View File

@ -1,9 +1,8 @@
package handlers
import (
"fiber-sessions/app/handlers/usersession"
"fiber-sessions/app/templates"
"fmt"
"time"
"github.com/gofiber/fiber/v2"
)
@ -13,37 +12,19 @@ var pcLogin templates.PageContext = templates.PageContext{
ActivePage: "login",
}
func checkUsernamePassword(username string, password string) bool {
return true
// return username == "pero" && password == "pero"
}
func Login(f *fiber.Ctx) error {
session, err := sessionStore.Get(f)
if err != nil {
panic("Error gettings sessionStore: " + err.Error())
}
userId := session.Get("userId")
fmt.Printf("userId: %+v\n", userId)
Render(f, templates.RenderLogin(pcLogin))
func Login(ctx *fiber.Ctx) error {
pcLogin.RequestSession = usersession.NewRequestSession(ctx)
Render(ctx, templates.RenderLogin(pcLogin))
return nil
}
func LoginSubmit(f *fiber.Ctx) error {
session, err := sessionStore.Get(f)
if err != nil {
panic("Error gettings sessionStore: " + err.Error())
}
userId := session.Get("userId")
fmt.Printf("userId: %+v\n", userId)
func LoginSubmit(ctx *fiber.Ctx) error {
requestSession := usersession.NewRequestSession(ctx)
content := templates.LoginFormValidationContent{
Validated: true,
Username: f.FormValue("username"),
Password: f.FormValue("password"),
Username: ctx.FormValue("username"),
Password: ctx.FormValue("password"),
}
hasError := false
@ -58,20 +39,14 @@ func LoginSubmit(f *fiber.Ctx) error {
}
if !hasError {
if checkUsernamePassword(content.Username, content.Password) {
session.Set("userId", "neki-user-id")
session.SetExpiry(time.Second * 60)
if err := session.Save(); err != nil {
panic(err)
}
f.Set("HX-Location", "/")
err := requestSession.LoginUser(content.Username, content.Password)
if err == nil {
ctx.Set("HX-Location", "/")
return nil
} else {
}
content.LoginError = "Invalid username or password"
}
}
Render(f, templates.LoginFormContent(content))
Render(ctx, templates.LoginFormContent(content))
return nil
}

15
app/handlers/logout.go Normal file
View File

@ -0,0 +1,15 @@
package handlers
import (
"fiber-sessions/app/handlers/usersession"
"github.com/gofiber/fiber/v2"
)
func Logout(ctx *fiber.Ctx) error {
requestSession := usersession.NewRequestSession(ctx)
requestSession.Logout()
ctx.Redirect("/")
return nil
}

11
app/handlers/usersession.go
View File

@ -1,11 +0,0 @@
package handlers
import (
"github.com/gofiber/fiber/v2/middleware/session"
"github.com/gofiber/storage/memory/v2"
)
var sessionStorage = memory.New()
var sessionStore = session.New(session.Config{
Storage: sessionStorage,
})

113
app/handlers/usersession/usersession.go Normal file
View File

@ -0,0 +1,113 @@
package usersession
import (
"errors"
"fiber-sessions/app/types"
"fmt"
"time"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/fiber/v2/middleware/session"
"github.com/gofiber/storage/memory/v2"
)
var sessionStorage = memory.New()
var sessionStore = session.New(session.Config{
Storage: sessionStorage,
})
const SESSION_EXPIRES = time.Minute * 30
var dbUsers map[string]types.User = map[string]types.User{
"pero-uuid": {
Id: "pero-uuid",
Username: "pero",
Password: "pero",
FirstName: "Pero",
LastName: "Perić",
},
"mirko-uuid": {
Id: "mirko-uuid",
Username: "mirko",
Password: "mirko",
FirstName: "Mirko",
LastName: "Mirković",
},
}
type RequestSession struct {
ctx *fiber.Ctx
session *session.Session
User *types.User
}
func NewRequestSession(ctx *fiber.Ctx) *RequestSession {
session, err := sessionStore.Get(ctx)
if err != nil {
panic(err)
}
var user *types.User = nil
userId := session.Get("userId")
fmt.Printf("userId: %+v\n", userId)
if userId != nil {
user = getUserById(userId.(string))
}
return &RequestSession{
ctx: ctx,
session: session,
User: user,
}
}
func getUserById(id string) *types.User {
user, ok := dbUsers[id]
if ok {
return &user
}
return nil
}
func getUser(username string, password string) *types.User {
for _, user := range dbUsers {
if user.Username == username {
if user.Password == password {
return &user
}
break
}
}
return nil
}
func (r *RequestSession) LoginUser(username string, password string) error {
user := getUser(username, password)
if user == nil {
return errors.New("invalid username or password")
}
r.User = user
r.session.Set("userId", r.User.Id)
r.session.SetExpiry(SESSION_EXPIRES)
if err := r.session.Save(); err != nil {
panic(err)
}
return nil
}
func (r *RequestSession) UserAuthenticated() bool {
return r.User != nil
}
func (r *RequestSession) Logout() error {
if !r.UserAuthenticated() {
return errors.New("user not authenticated")
}
r.session.Destroy()
r.User = nil
return nil
}

4
app/main.go
View File

@ -1,6 +1,8 @@
package main
import "fiber-sessions/app/router"
import (
"fiber-sessions/app/router"
)
func main() {
router.Serve()

3
app/router/router.go
View File

@ -12,7 +12,7 @@ import (
const (
APPHOST string = "127.0.0.1"
APPPORT int = 8080
APPPORT int = 9000
STATIC_PATH string = "./static"
)
@ -56,6 +56,7 @@ func initRouter(app *fiber.App) {
app.Get("/", handlers.Home)
app.Get("/login", handlers.Login)
app.Post("/login", handlers.LoginSubmit)
app.Get("/logout", handlers.Logout)
interactiveGroup := app.Group("/interactive")
{

12
app/templates/layout.templ
View File

@ -22,20 +22,28 @@ templ baseLayout(pc PageContext) {
Home
</a>
</li>
if pc.RequestSession.UserAuthenticated() {
<li class="nav-item">
<a class="nav-link" href="/logout">
Logout
</a>
</li>
} else {
<li class="nav-item">
<a class={ "nav-link", templ.KV("active", pc.ActivePage == "login") } href="/login">
Login
</a>
</li>
}
<li class="nav-item">
<a class={ "nav-link", templ.KV("active", pc.ActivePage == "interactive") } href="/interactive">
Interactive
</a>
</li>
</ul>
if pc.User != nil {
if pc.RequestSession.UserAuthenticated() {
<p class="alert alert-warning">
Hello, { pc.User.FirstName }
Hello, { pc.RequestSession.User.FirstName }
</p>
}
{ children... }

62
app/templates/layout_templ.go
View File

@ -80,12 +80,31 @@ func baseLayout(pc PageContext) templ.Component {
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</a></li><li class=\"nav-item\">")
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</a></li>")
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
var templ_7745c5c3_Var7 = []any{"nav-link", templ.KV("active", pc.ActivePage == "login")}
templ_7745c5c3_Err = templ.RenderCSSItems(ctx, templ_7745c5c3_Buffer, templ_7745c5c3_Var7...)
if pc.RequestSession.UserAuthenticated() {
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("<li class=\"nav-item\"><a class=\"nav-link\" href=\"/logout\">")
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
templ_7745c5c3_Var7 := `Logout`
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ_7745c5c3_Var7)
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</a></li>")
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
} else {
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("<li class=\"nav-item\">")
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
var templ_7745c5c3_Var8 = []any{"nav-link", templ.KV("active", pc.ActivePage == "login")}
templ_7745c5c3_Err = templ.RenderCSSItems(ctx, templ_7745c5c3_Buffer, templ_7745c5c3_Var8...)
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
@ -93,7 +112,7 @@ func baseLayout(pc PageContext) templ.Component {
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ.CSSClasses(templ_7745c5c3_Var7).String()))
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ.CSSClasses(templ_7745c5c3_Var8).String()))
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
@ -101,17 +120,22 @@ func baseLayout(pc PageContext) templ.Component {
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
templ_7745c5c3_Var8 := `Login`
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ_7745c5c3_Var8)
templ_7745c5c3_Var9 := `Login`
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ_7745c5c3_Var9)
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</a></li><li class=\"nav-item\">")
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</a></li>")
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
var templ_7745c5c3_Var9 = []any{"nav-link", templ.KV("active", pc.ActivePage == "interactive")}
templ_7745c5c3_Err = templ.RenderCSSItems(ctx, templ_7745c5c3_Buffer, templ_7745c5c3_Var9...)
}
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("<li class=\"nav-item\">")
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
var templ_7745c5c3_Var10 = []any{"nav-link", templ.KV("active", pc.ActivePage == "interactive")}
templ_7745c5c3_Err = templ.RenderCSSItems(ctx, templ_7745c5c3_Buffer, templ_7745c5c3_Var10...)
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
@ -119,7 +143,7 @@ func baseLayout(pc PageContext) templ.Component {
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ.CSSClasses(templ_7745c5c3_Var9).String()))
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ.CSSClasses(templ_7745c5c3_Var10).String()))
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
@ -127,8 +151,8 @@ func baseLayout(pc PageContext) templ.Component {
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
templ_7745c5c3_Var10 := `Interactive`
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ_7745c5c3_Var10)
templ_7745c5c3_Var11 := `Interactive`
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ_7745c5c3_Var11)
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
@ -136,22 +160,22 @@ func baseLayout(pc PageContext) templ.Component {
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
if pc.User != nil {
if pc.RequestSession.UserAuthenticated() {
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("<p class=\"alert alert-warning\">")
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
templ_7745c5c3_Var11 := `Hello, `
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ_7745c5c3_Var11)
templ_7745c5c3_Var12 := `Hello, `
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ_7745c5c3_Var12)
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
var templ_7745c5c3_Var12 string
templ_7745c5c3_Var12, templ_7745c5c3_Err = templ.JoinStringErrs(pc.User.FirstName)
var templ_7745c5c3_Var13 string
templ_7745c5c3_Var13, templ_7745c5c3_Err = templ.JoinStringErrs(pc.RequestSession.User.FirstName)
if templ_7745c5c3_Err != nil {
return templ.Error{Err: templ_7745c5c3_Err, FileName: `app/templates/layout.templ`, Line: 37, Col: 32}
return templ.Error{Err: templ_7745c5c3_Err, FileName: `app/templates/layout.templ`, Line: 45, Col: 47}
}
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var12))
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var13))
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}

4
app/templates/types.go
View File

@ -1,11 +1,11 @@
package templates
import "fiber-sessions/app/types"
import "fiber-sessions/app/handlers/usersession"
type PageContext struct {
Title string
ActivePage string
User *types.User
RequestSession *usersession.RequestSession
}
type ValidateFormContent struct {

3
app/types/user.go
View File

@ -1,6 +1,9 @@
package types
type User struct {
Id string
Username string
Password string
FirstName string
LastName string
}

2
go.mod
View File

@ -10,7 +10,7 @@ require (
require (
github.com/andybalholm/brotli v1.0.5 // indirect
github.com/gofiber/storage/memory/v2 v2.0.0 // indirect
github.com/google/uuid v1.5.0 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/klauspost/compress v1.17.0 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect