tfstated/pkg/webui/sessions.go
Julien Dessaux 895615ad6e
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chore(webui): rewrite the web session code again while preparing for csrf tokens
#60
2025-04-30 22:31:25 +02:00

71 lines
1.9 KiB
Go

package webui
import (
"context"
"errors"
"fmt"
"net/http"
"git.adyxax.org/adyxax/tfstated/pkg/database"
"git.adyxax.org/adyxax/tfstated/pkg/model"
)
const cookieName = "tfstated"
func sessionsMiddleware(db *database.DB) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
cookie, err := r.Cookie(cookieName)
if err != nil && !errors.Is(err, http.ErrNoCookie) {
errorResponse(w, r, http.StatusInternalServerError,
fmt.Errorf("failed to get session cookie from request: %w", err))
return
}
if err == nil {
if len(cookie.Value) == 43 {
session, err := db.LoadSessionById(cookie.Value)
if err != nil {
errorResponse(w, r, http.StatusInternalServerError,
fmt.Errorf("failed to load session by ID: %w", err))
return
}
if session != nil {
if session.IsExpired() {
if err := db.DeleteSession(session); err != nil {
errorResponse(w, r, http.StatusInternalServerError,
fmt.Errorf("failed to delete session: %w", err))
return
}
} else {
ctx := context.WithValue(r.Context(), model.SessionContextKey{}, session)
next.ServeHTTP(w, r.WithContext(ctx))
return
}
}
}
}
sessionId, session, err := db.CreateSession(nil)
if err != nil {
errorResponse(w, r, http.StatusInternalServerError,
fmt.Errorf("failed to create session: %w", err))
return
}
setSessionCookie(w, sessionId)
ctx := context.WithValue(r.Context(), model.SessionContextKey{}, session)
next.ServeHTTP(w, r.WithContext(ctx))
})
}
}
func setSessionCookie(w http.ResponseWriter, sessionId string) {
http.SetCookie(w, &http.Cookie{
Name: cookieName,
Value: sessionId,
Quoted: false,
Path: "/",
MaxAge: 12 * 3600, // 12 hours sessions
HttpOnly: true,
SameSite: http.SameSiteStrictMode,
Secure: true,
})
}