Files
bedolaga-cabinet/src/pages/Login.tsx
2026-01-21 08:42:36 +03:00

268 lines
9.9 KiB
TypeScript

import { useState, useEffect, useMemo, useCallback } from 'react'
import { useNavigate, useLocation } from 'react-router-dom'
import { useTranslation } from 'react-i18next'
import { useQuery } from '@tanstack/react-query'
import { useAuthStore } from '../store/auth'
import { brandingApi, getCachedBranding, setCachedBranding, preloadLogo, isLogoPreloaded, type BrandingInfo } from '../api/branding'
import { getAndClearReturnUrl } from '../utils/token'
import LanguageSwitcher from '../components/LanguageSwitcher'
import TelegramLoginButton from '../components/TelegramLoginButton'
export default function Login() {
const { t } = useTranslation()
const navigate = useNavigate()
const location = useLocation()
const { isAuthenticated, loginWithTelegram, loginWithEmail } = useAuthStore()
const [activeTab, setActiveTab] = useState<'telegram' | 'email'>('telegram')
const [email, setEmail] = useState('')
const [password, setPassword] = useState('')
const [error, setError] = useState('')
const [isLoading, setIsLoading] = useState(false)
const [isTelegramWebApp, setIsTelegramWebApp] = useState(false)
const [logoLoaded, setLogoLoaded] = useState(() => isLogoPreloaded())
// Получаем URL для возврата после авторизации
const getReturnUrl = useCallback(() => {
// Сначала проверяем state от React Router
const stateFrom = (location.state as { from?: string })?.from
if (stateFrom && stateFrom !== '/login') {
return stateFrom
}
// Затем проверяем сохранённый URL в sessionStorage (от safeRedirectToLogin)
const savedUrl = getAndClearReturnUrl()
if (savedUrl && savedUrl !== '/login') {
return savedUrl
}
// По умолчанию на главную
return '/'
}, [location.state])
// Fetch branding with unified cache
const cachedBranding = useMemo(() => getCachedBranding(), [])
const { data: branding } = useQuery<BrandingInfo>({
queryKey: ['branding'],
queryFn: async () => {
const data = await brandingApi.getBranding()
setCachedBranding(data)
preloadLogo(data)
return data
},
staleTime: 60000,
initialData: cachedBranding ?? undefined,
})
const botUsername = import.meta.env.VITE_TELEGRAM_BOT_USERNAME || ''
const appName = branding ? branding.name : (import.meta.env.VITE_APP_NAME || 'VPN')
const appLogo = branding?.logo_letter || import.meta.env.VITE_APP_LOGO || 'V'
const logoUrl = branding ? brandingApi.getLogoUrl(branding) : null
// Set document title
useEffect(() => {
document.title = appName || 'VPN'
}, [appName])
useEffect(() => {
if (isAuthenticated) {
navigate(getReturnUrl(), { replace: true })
}
}, [isAuthenticated, navigate, getReturnUrl])
// Try Telegram WebApp authentication on mount
useEffect(() => {
const tryTelegramAuth = async () => {
const tg = window.Telegram?.WebApp
if (tg?.initData) {
setIsTelegramWebApp(true)
tg.ready()
tg.expand()
setIsLoading(true)
try {
await loginWithTelegram(tg.initData)
navigate(getReturnUrl(), { replace: true })
} catch (err) {
// Log only status code to avoid leaking sensitive data
const status = (err as { response?: { status?: number } })?.response?.status
console.warn('Telegram auth failed with status:', status)
setError(t('auth.telegramRequired'))
} finally {
setIsLoading(false)
}
}
}
tryTelegramAuth()
}, [loginWithTelegram, navigate, t, getReturnUrl])
const handleEmailLogin = async (e: React.FormEvent) => {
e.preventDefault()
setError('')
setIsLoading(true)
try {
await loginWithEmail(email, password)
navigate(getReturnUrl(), { replace: true })
} catch (err: unknown) {
const error = err as { response?: { status?: number; data?: { detail?: string } } }
// Show user-friendly error messages without exposing sensitive server details
const status = error.response?.status
if (status === 401 || status === 403) {
setError(t('auth.invalidCredentials', 'Неверный email или пароль'))
} else if (status === 429) {
setError(t('auth.tooManyAttempts', 'Слишком много попыток. Попробуйте позже'))
} else {
setError(t('common.error'))
}
} finally {
setIsLoading(false)
}
}
return (
<div className="min-h-screen flex items-center justify-center py-8 px-4 sm:py-12 sm:px-6 lg:px-8">
{/* Background gradient */}
<div className="fixed inset-0 bg-gradient-to-br from-dark-950 via-dark-900 to-dark-950" />
<div className="fixed inset-0 bg-[radial-gradient(ellipse_at_top,_var(--tw-gradient-stops))] from-accent-500/10 via-transparent to-transparent" />
{/* Language switcher */}
<div className="fixed top-4 right-4 z-50">
<LanguageSwitcher />
</div>
<div className="relative max-w-md w-full space-y-8">
{/* Logo */}
<div className="text-center">
<div className="mx-auto w-16 h-16 rounded-2xl bg-gradient-to-br from-accent-400 to-accent-600 flex items-center justify-center mb-6 shadow-lg shadow-accent-500/30 overflow-hidden relative">
{/* Always show letter as fallback */}
<span className={`text-white font-bold text-2xl absolute transition-opacity duration-200 ${branding?.has_custom_logo && logoLoaded ? 'opacity-0' : 'opacity-100'}`}>
{appLogo}
</span>
{/* Logo image with smooth fade-in */}
{branding?.has_custom_logo && logoUrl && (
<img
src={logoUrl}
alt={appName || 'Logo'}
className={`w-full h-full object-cover absolute transition-opacity duration-200 ${logoLoaded ? 'opacity-100' : 'opacity-0'}`}
onLoad={() => setLogoLoaded(true)}
/>
)}
</div>
{appName && (
<h1 className="text-3xl font-bold text-dark-50">
{appName}
</h1>
)}
<p className="mt-2 text-dark-400">
{t('auth.loginSubtitle')}
</p>
</div>
{/* Card */}
<div className="card">
{/* Tabs */}
<div className="flex mb-6">
<button
className={`flex-1 py-3 text-sm font-medium transition-all border-b-2 ${
activeTab === 'telegram'
? 'border-accent-500 text-accent-400'
: 'border-transparent text-dark-500 hover:text-dark-300'
}`}
onClick={() => setActiveTab('telegram')}
>
Telegram
</button>
<button
className={`flex-1 py-3 text-sm font-medium transition-all border-b-2 ${
activeTab === 'email'
? 'border-accent-500 text-accent-400'
: 'border-transparent text-dark-500 hover:text-dark-300'
}`}
onClick={() => setActiveTab('email')}
>
Email
</button>
</div>
{error && (
<div className="bg-error-500/10 border border-error-500/30 text-error-400 px-4 py-3 rounded-xl text-sm mb-6">
{error}
</div>
)}
{activeTab === 'telegram' ? (
<div className="space-y-6">
<p className="text-center text-sm text-dark-400">
{t('auth.registerHint')}
</p>
{isLoading && isTelegramWebApp ? (
<div className="text-center py-8">
<div className="w-8 h-8 border-2 border-accent-500 border-t-transparent rounded-full animate-spin mx-auto mb-3" />
<p className="text-sm text-dark-400">{t('auth.authenticating')}</p>
</div>
) : (
<TelegramLoginButton botUsername={botUsername} />
)}
</div>
) : (
<form className="space-y-5" onSubmit={handleEmailLogin}>
<div>
<label htmlFor="email" className="label">
{t('auth.email')}
</label>
<input
id="email"
name="email"
type="email"
autoComplete="email"
required
className="input"
placeholder="you@example.com"
value={email}
onChange={(e) => setEmail(e.target.value)}
/>
</div>
<div>
<label htmlFor="password" className="label">
{t('auth.password')}
</label>
<input
id="password"
name="password"
type="password"
autoComplete="current-password"
required
className="input"
placeholder="••••••••"
value={password}
onChange={(e) => setPassword(e.target.value)}
/>
</div>
<button
type="submit"
disabled={isLoading}
className="btn-primary w-full py-3"
>
{isLoading ? (
<span className="flex items-center justify-center gap-2">
<span className="w-4 h-4 border-2 border-white/30 border-t-white rounded-full animate-spin" />
{t('common.loading')}
</span>
) : (
t('auth.login')
)}
</button>
<p className="text-center text-xs text-dark-500">
{t('auth.registerHint')}
</p>
</form>
)}
</div>
</div>
</div>
)
}