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package sessions
import (
"context"
"net/http"
)
func SetSession(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// is there a session_token cookie?
scookie, err := r.Cookie("session_token")
if err != nil || scookie.Value == "" {
// no session value or cookie
next.ServeHTTP(w, r)
}
cvalue := scookie.Value
vsession, ok := GetSession(cvalue)
if !ok {
// no session
next.ServeHTTP(w, r)
}
// set session
ctx := context.WithValue(r.Context(), SessionCtxKey("session"), vsession.Id())
next.ServeHTTP(w, r.WithContext(ctx))
})
}
func GuestSession(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// if SessionKey does not exist then this is a valid guest request
if _, ok := r.Context().Value(SessionCtxKey("session")); !ok {
next.ServeHTTP(w, r)
}
// else redirect to `/u/me` as this is an auth session
http.Redirect(w, r, "/u/me", http.StatusSeeOther)
})
}
func AuthSession(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// if session key not exists, then this is a guest session request redirect to login page
if _, ok := r.Context().Value(SessionCtxKey("session")); !ok {
http.Redirect(w, r, "/login", http.StatusSeeOther)
}
// else this is a valid auth session request
next.ServeHTTP(w, r)
})
}
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