Files
musenalm/middleware/authenticated.go
Simon Martens f641a32cb5 request type
2025-05-23 09:55:23 +02:00

100 lines
2.7 KiB
Go

package middleware
import (
"log/slog"
"net/http"
"strings"
"time"
"github.com/Theodor-Springmann-Stiftung/musenalm/dbmodels"
"github.com/Theodor-Springmann-Stiftung/musenalm/helpers/collections"
"github.com/pocketbase/pocketbase/core"
)
var cache = collections.NewUserSessionCache(1000, 5*time.Minute)
var deact_cookie = &http.Cookie{
Name: dbmodels.SESSION_COOKIE_NAME,
MaxAge: -1,
Path: "/",
}
func Authenticated(app core.App) func(*core.RequestEvent) error {
return func(e *core.RequestEvent) error {
if strings.HasPrefix(e.Request.URL.Path, "/assets") ||
strings.HasPrefix(e.Request.URL.Path, "/api") {
return e.Next()
}
cookie, err := e.Request.Cookie(dbmodels.SESSION_COOKIE_NAME)
if err != nil {
return e.Next()
}
user, session, loaded := cache.Get(cookie.Value)
if !loaded {
record, err := app.FindFirstRecordByData(dbmodels.SESSIONS_TABLE, dbmodels.SESSIONS_TOKEN_FIELD, cookie.Value)
if err != nil {
e.SetCookie(deact_cookie)
e.Response.Header().Set("Clear-Site-Data", "\"cookies\"")
return e.Next()
}
s := dbmodels.NewSession(record)
r, err := app.FindRecordById(dbmodels.USERS_TABLE, s.User())
if err != nil {
e.SetCookie(deact_cookie)
e.Response.Header().Set("Clear-Site-Data", "\"cookies\"")
return e.Next()
}
u := dbmodels.NewUser(r)
user, session = cache.Set(u, s)
}
slog.Debug("User session detected", "user", user.Id, "name", user.Name, "session", session.ID)
if session.IsExpired() {
// TODO: (Maybe) less rigid handling here: for creation or update of items forgive shortly
// expired tokens, if CSRF and everything else is a match.
slog.Warn("Session expired", "user", user.Id, "name", user.Name, "session", session.ID)
cache.Delete(cookie.Value)
go func() {
r, err := app.FindRecordById(dbmodels.SESSIONS_TABLE, session.ID)
e.SetCookie(deact_cookie)
e.Response.Header().Set("Clear-Site-Data", "\"cookies\"")
if err == nil {
app.Delete(r)
}
}()
return e.Next()
}
e.Set("user", user)
e.Set("session", session)
token := e.Request.URL.Query().Get("token")
if token != "" {
record, err := app.FindFirstRecordByData(dbmodels.ACCESS_TOKENS_TABLE, dbmodels.ACCESS_TOKENS_TOKEN_FIELD, token)
if err != nil {
slog.Error("Failed to find access token", "token", token, "error", err)
return e.Next()
}
a := dbmodels.NewAccessToken(record)
if a.User() != "" {
r, err := app.FindRecordById(dbmodels.USERS_TABLE, a.User())
if err != nil {
slog.Error("Failed to find access token user", "user", a.User(), "error", err)
return e.Next()
}
u := dbmodels.NewUser(r)
e.Set("access_token_user", u.Fixed())
}
e.Set("access_token", a.Fixed())
}
return e.Next()
}
}