113 lines
2.4 KiB
Go
113 lines
2.4 KiB
Go
package middleware
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import (
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"dk/internal/cookies"
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"dk/internal/models/users"
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"dk/internal/router"
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"dk/internal/session"
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"github.com/valyala/fasthttp"
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)
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func Auth() router.Middleware {
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return func(next router.Handler) router.Handler {
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return func(ctx router.Ctx, params []string) {
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sessionID := cookies.GetCookie(ctx, session.SessionCookieName)
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if sessionID != "" {
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if sess, exists := session.Get(sessionID); exists {
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session.Update(sessionID)
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user, err := users.Find(sess.UserID)
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if err == nil && user != nil {
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ctx.SetUserValue("session", sess)
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ctx.SetUserValue("user", user)
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session.SetSessionCookie(ctx, sessionID)
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}
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}
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}
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next(ctx, params)
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}
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}
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}
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func RequireAuth(paths ...string) router.Middleware {
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redirect := "/login"
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if len(paths) > 0 && paths[0] != "" {
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redirect = paths[0]
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}
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return func(next router.Handler) router.Handler {
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return func(ctx router.Ctx, params []string) {
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if !IsAuthenticated(ctx) {
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ctx.Redirect(redirect, fasthttp.StatusFound)
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return
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}
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user := ctx.UserValue("user").(*users.User)
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user.UpdateLastOnline()
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user.Save()
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next(ctx, params)
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}
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}
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}
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func RequireGuest(paths ...string) router.Middleware {
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redirect := "/"
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if len(paths) > 0 && paths[0] != "" {
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redirect = paths[0]
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}
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return func(next router.Handler) router.Handler {
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return func(ctx router.Ctx, params []string) {
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if IsAuthenticated(ctx) {
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ctx.Redirect(redirect, fasthttp.StatusFound)
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return
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}
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next(ctx, params)
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}
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}
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}
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func IsAuthenticated(ctx router.Ctx) bool {
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_, exists := ctx.UserValue("user").(*users.User)
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return exists
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}
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func GetCurrentUser(ctx router.Ctx) *users.User {
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if user, ok := ctx.UserValue("user").(*users.User); ok {
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return user
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}
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return nil
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}
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func GetCurrentSession(ctx router.Ctx) *session.Session {
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if sess, ok := ctx.UserValue("session").(*session.Session); ok {
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return sess
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}
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return nil
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}
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func Login(ctx router.Ctx, user *users.User) {
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sess := session.Create(user.ID, user.Username, user.Email)
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session.SetSessionCookie(ctx, sess.ID)
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ctx.SetUserValue("session", sess)
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ctx.SetUserValue("user", user)
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}
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func Logout(ctx router.Ctx) {
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sessionID := cookies.GetCookie(ctx, session.SessionCookieName)
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if sessionID != "" {
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session.Delete(sessionID)
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}
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session.DeleteSessionCookie(ctx)
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ctx.SetUserValue("session", nil)
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ctx.SetUserValue("user", nil)
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}
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