? ??????? ??? ? ??? ????? ?? ???? ???? ?? ??? ???? ????? ???? ?? ??? ?? ????. ??? ?? ?? localStorage? ???? ?? ?????? ??, ?? ??, ??? ??? ???????.

??????? ??????
localStorage? ????? ?? ???? ???? ????? ??? ? ?? ???? API???. sessionStorage? ?? localStorage? ??? ???? ???? ????? ???? ?? ? ??? ?? ???? ? ????.

???? ????? ??? ????? ?? ?? ??? ????.

????: ??? ??
Supabase? ???? ???? ???? ??????? ??? ??? ???. ???? ? ?? ?? ?? ????? ??? ??? ????? ???.

async function checkAuth() {
  try {
    const { data, error } = await supabase.auth.getUser()
    if (error) throw error

    if (data.user) {
      user.value = data.user
      localStorage.setItem('user', JSON.stringify(data.user)) // Armazenando o usuário
      console.log('Usuário autenticado:', data.user)
    } else {
      localStorage.removeItem('user')
    }
  } catch (error) {
    console.error('Erro ao verificar autentica??o:', (error as Error).message)
  }
}

????? ??? ????. ??? ??? ? ??? ??? ??? localStorage? ???? ????. ??? ? ?? ??? ??????

localStorage ??? ??

1. ??????(XSS) ?? localStorage? ??? ? ?? ? ?? ??? ????? ???? ?? ?????? ???? ? ??? ????. ???? XSS(Cross-Site Scripting) ??? ?? ????? ??? ? ?? ?? ????? ?????.

?? ?? ???? ???? ?? ??? ???? ??:

console.log(localStorage.getItem('user'))

???? ?? ??? ??? ???? ??? ???? ???? ? ????.

1. ???? ????? ????
   localStorage? ???? ?? ???? ?????. ?, ??? ??? ???? ? ?? ??? ??? ???? ??? ?? ??? ??? ?? ? ? ????.

2. ?? ?? ??
   ??? ?? localStorage?? ???? ???? ????? ?? ?? ????? ????. ?? ?? ????? ??? ??? ????? ??? ? ????.

? ??? ??

1. Supabase ?? ?? Supabase? ?? ?? ??? JWT ??? ?? ?? ??? ???? ????. ??? ??? localStorage? ??? ??? ????.

?? ???? ???? ???? ??? ??? ??? ? ????.

const { data, error } = await supabase.auth.getUser()

1. sessionStorage ??
   ????? ???? ???? ?? ?? sessionStorage ??? ??????. ???? ??? ?? ?? ?? ???? ???? ?????. ??? ?? ??? ????? ???? ?? ?? ??? ????? XSS??? ????? ????.

2. ???? ?? ???? ??
   localStorage? ???? ??? ?? ??? ???? ?? ???? ?? ??? ??? ???? ????. ??? ???? ?? ?? ??? ?????.
   

async function checkAuth() {
  try {
    const { data, error } = await supabase.auth.getUser()
    if (error) throw error

    if (data.user) {
      user.value = data.user
      localStorage.setItem('user', JSON.stringify(data.user)) // Armazenando o usuário
      console.log('Usuário autenticado:', data.user)
    } else {
      localStorage.removeItem('user')
    }
  } catch (error) {
    console.error('Erro ao verificar autentica??o:', (error as Error).message)
  }
}

1. XSS? ?? ?? ?? XSS ??? ????? ?? ?? ??? ??????.

?? ????? ????? ??? ??? ?? ??(CSP)? ?????.
?? ??? ??? ???? ?????.
???? ?????? ?? ?? ??? ?????.

1. ??? ??? localStorage ??? ? ??? ?? ???? ???? ?? ???? ? ????. ??? ?? ??? ??? ????? ??? ?? ?? ??? ?????.

CryptoJS? ?:

console.log(localStorage.getItem('user'))

??: ??? ?? ???? ??? ??? ? ???? ??? ????? ????.

??
localStorage? ????? ???? ???? ???? ????? ??? ????? ???? ????. ?? ?? ??? ??? ????.

Supabase?? ???? ?? ??
??? ??? localStorage? ???? ???.
XSS ??? ?? ??? ?? ??? ?????.
??? ??? ?? ?????? ???? ???? ??? ??? ??? ????? ??? ? ????.

??? ?????? ?????? localStorage? ??????? ??? ???? ??? ??????!

? ??? localStorage? ??? ???? ???? ?? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!