- Detectar errores "Failed to fetch" y "no response" como pérdida de auth - Mejor logging para debugging de cambios de estado - Manejar correctamente redirects 302 de Authentik en fetch
162 lines
5.8 KiB
TypeScript
162 lines
5.8 KiB
TypeScript
import { ref, computed } from 'vue'
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// Estado global compartido para auth
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const authChecked = ref(true) // Iniciamos como chequeado
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const isAuthenticated = ref(true) // Asumimos autenticado al inicio (si la página cargó, es porque pasamos Authentik)
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const isCheckingAuth = ref(false)
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const lastCheckTime = ref(0)
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// Listener para cambios de autenticación desde otras tabs/ventanas
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let visibilityChangeListener: (() => void) | null = null
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let focusListener: (() => void) | null = null
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export const useAuth = () => {
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const checkAuth = async (force = false) => {
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// Si ya sabemos que NO estamos autenticados, no hacer más requests
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// (evita loops de CORS con Authentik redirects)
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if (!isAuthenticated.value && !force) {
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console.log('[Auth] Skipping check - already known to be unauthenticated')
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return
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}
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// Evitar chequeos duplicados (cache de 30 segundos)
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const now = Date.now()
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if (!force && isCheckingAuth.value) return
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if (!force && authChecked.value && now - lastCheckTime.value < 30000) {
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return
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}
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isCheckingAuth.value = true
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try {
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// Intenta hacer fetch a un endpoint protegido
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const response = await fetch('/api/music', {
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method: 'HEAD', // Solo headers, no body
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credentials: 'include', // Include cookies for auth
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cache: 'no-store', // No cachear la respuesta
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redirect: 'error', // No seguir redirects (error si Authentik intenta redirigir)
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signal: AbortSignal.timeout(5000) // 5s timeout
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})
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const wasAuthenticated = isAuthenticated.value
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isAuthenticated.value = response.ok
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authChecked.value = true
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lastCheckTime.value = now
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// Log cambios de estado
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if (wasAuthenticated !== isAuthenticated.value) {
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console.log('[Auth] Status changed:', isAuthenticated.value ? 'authenticated' : 'unauthenticated')
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}
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} catch (error: any) {
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// Con redirect: 'error', cualquier redirect (302) genera "Failed to fetch"
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// Authentik redirige a login cuando no estás autenticado = 302
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console.warn('[Auth] Check failed:', error.message)
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const wasAuthenticated = isAuthenticated.value
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// "Failed to fetch" con redirect: 'error' configurado = sesión expirada
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// Authentik intenta redirigir (302) pero fetch lo rechaza y genera error
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if (error.message && error.message.includes('Failed to fetch')) {
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console.log('[Auth] Failed to fetch detected - marking as unauthenticated')
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isAuthenticated.value = false
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authChecked.value = true
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if (wasAuthenticated) {
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console.log('[Auth] Status changed: authenticated → unauthenticated (Authentik redirect detected)')
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} else {
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console.log('[Auth] Confirmed unauthenticated state')
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}
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} else if (error.name === 'TypeError' && error.message.includes('fetch')) {
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// Otro tipo de TypeError fetch = también probablemente redirect
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console.log('[Auth] TypeError fetch detected - marking as unauthenticated')
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isAuthenticated.value = false
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authChecked.value = true
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if (wasAuthenticated) {
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console.log('[Auth] Status changed: authenticated → unauthenticated (fetch error)')
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} else {
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console.log('[Auth] Confirmed unauthenticated state')
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}
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} else {
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// Otro tipo de error (timeout, etc) - mantener estado actual
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console.log('[Auth] Network error (not auth related), maintaining current state:', error.name)
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}
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lastCheckTime.value = now
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} finally {
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isCheckingAuth.value = false
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}
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}
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const triggerAuth = () => {
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console.log('[Auth] Triggering authentication flow - forcing page reload...')
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// Simplemente recargamos la página completamente
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// Si no estamos autenticados, Authentik interceptará y redirigirá al login
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// Si ya estamos autenticados, la página se recarga normalmente
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window.location.reload()
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}
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const markUnauthenticated = () => {
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// Helper para marcar como no autenticado (útil cuando detectamos 401/403)
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console.log('[Auth] Marking as unauthenticated')
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isAuthenticated.value = false
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authChecked.value = true
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lastCheckTime.value = Date.now()
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}
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const setupVisibilityListener = () => {
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// Re-chequea auth cuando la pestaña vuelve a ser visible
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// (útil si el usuario se autentica en otra pestaña)
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if (typeof document !== 'undefined' && !visibilityChangeListener) {
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visibilityChangeListener = () => {
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if (!document.hidden && isAuthenticated.value) {
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// Solo chequear si creemos estar autenticados
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// (evita spam de requests fallidas)
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console.log('[Auth] Tab visible again, checking auth...')
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checkAuth(false)
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}
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}
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document.addEventListener('visibilitychange', visibilityChangeListener)
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}
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// También chequea cuando la ventana recibe foco
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if (typeof window !== 'undefined' && !focusListener) {
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focusListener = () => {
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if (isAuthenticated.value) {
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// Solo chequear si creemos estar autenticados
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console.log('[Auth] Window focused, checking auth...')
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checkAuth(false)
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}
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}
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window.addEventListener('focus', focusListener)
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}
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}
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const cleanupListeners = () => {
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if (visibilityChangeListener) {
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document.removeEventListener('visibilitychange', visibilityChangeListener)
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visibilityChangeListener = null
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}
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if (focusListener) {
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window.removeEventListener('focus', focusListener)
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focusListener = null
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}
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}
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const authStatus = computed(() => {
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if (!authChecked.value) return 'unknown'
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return isAuthenticated.value ? 'authenticated' : 'unauthenticated'
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})
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return {
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isAuthenticated,
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authChecked,
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isCheckingAuth,
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authStatus,
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checkAuth,
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triggerAuth,
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markUnauthenticated,
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setupVisibilityListener,
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cleanupListeners
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}
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}
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