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graphs/src/pages/Login.tsx
Cauê Faleiros 6afd0c0392
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Guard invalid Turnstile site key
2026-07-28 13:24:48 -03:00

250 lines
9.3 KiB
TypeScript

import { useEffect, useRef, useState } from 'react';
import { useNavigate } from 'react-router-dom';
import { Lock } from 'lucide-react';
import { getLoginConfig, login } from '../dataService';
declare global {
interface Window {
turnstile?: {
render: (
container: HTMLElement,
options: {
sitekey: string;
callback: (token: string) => void;
'expired-callback': () => void;
'error-callback': () => void;
theme: 'dark' | 'light' | 'auto';
}
) => string;
reset: (widgetId?: string) => void;
};
}
}
const turnstileScriptId = 'turnstile-api-script';
const securityConfigLoadMessage = 'Não foi possível carregar as configurações de segurança. Atualize a página e tente novamente.';
const securityUnavailableMessage = 'Não foi possível carregar a verificação de segurança. Atualize a página e tente novamente.';
const securityConfigurationMessage = 'Verificação de segurança indisponível. Entre em contato com o administrador.';
const securityRequiredMessage = 'Conclua a verificação de segurança para continuar.';
const securityFailedMessage = 'Não foi possível validar a verificação de segurança. Atualize a página e tente novamente.';
const turnstileSiteKeyPattern = /^[0-9]x[0-9A-Za-z_-]{20,}$/;
const Login = () => {
const [email, setEmail] = useState('');
const [password, setPassword] = useState('');
const [captchaToken, setCaptchaToken] = useState('');
const [error, setError] = useState('');
const [isLoading, setIsLoading] = useState(false);
const [isConfigLoading, setIsConfigLoading] = useState(true);
const [turnstileSiteKey, setTurnstileSiteKey] = useState('');
const [captchaRequired, setCaptchaRequired] = useState(false);
const [captchaReady, setCaptchaReady] = useState(true);
const captchaContainerRef = useRef<HTMLDivElement | null>(null);
const captchaWidgetIdRef = useRef<string | null>(null);
const navigate = useNavigate();
const hasValidSiteKey = turnstileSiteKeyPattern.test(turnstileSiteKey);
const captchaEnabled = Boolean(captchaRequired && hasValidSiteKey);
const securityMisconfigured = captchaRequired && !hasValidSiteKey;
useEffect(() => {
let isMounted = true;
const loadLoginConfig = async () => {
try {
const config = await getLoginConfig();
if (!isMounted) return;
setCaptchaRequired(config.captchaRequired);
setTurnstileSiteKey(config.turnstileSiteKey.trim());
setCaptchaReady(!config.captchaRequired);
if (config.captchaRequired && !config.captchaConfigured) {
setError(securityConfigurationMessage);
}
} catch {
if (!isMounted) return;
setCaptchaReady(false);
setError(securityConfigLoadMessage);
} finally {
if (isMounted) {
setIsConfigLoading(false);
}
}
};
void loadLoginConfig();
return () => {
isMounted = false;
};
}, []);
useEffect(() => {
if (!hasValidSiteKey || !captchaContainerRef.current || captchaWidgetIdRef.current) return;
const siteKey = turnstileSiteKey;
const renderCaptcha = () => {
if (!window.turnstile || !captchaContainerRef.current || captchaWidgetIdRef.current) return;
try {
captchaWidgetIdRef.current = window.turnstile.render(captchaContainerRef.current, {
sitekey: siteKey,
theme: 'dark',
callback: (token) => {
setCaptchaToken(token);
setCaptchaReady(true);
},
'expired-callback': () => {
setCaptchaToken('');
setCaptchaReady(true);
},
'error-callback': () => {
setCaptchaToken('');
setCaptchaReady(false);
setError(securityUnavailableMessage);
},
});
setCaptchaReady(true);
} catch {
setCaptchaToken('');
setCaptchaReady(false);
setError(securityConfigurationMessage);
}
};
if (window.turnstile) {
renderCaptcha();
return;
}
const existingScript = document.getElementById(turnstileScriptId);
if (existingScript) {
existingScript.addEventListener('load', renderCaptcha, { once: true });
return () => existingScript.removeEventListener('load', renderCaptcha);
}
const script = document.createElement('script');
script.id = turnstileScriptId;
script.src = 'https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit';
script.async = true;
script.defer = true;
script.addEventListener('load', renderCaptcha, { once: true });
script.addEventListener('error', () => {
setCaptchaReady(false);
setError(securityUnavailableMessage);
}, { once: true });
document.head.appendChild(script);
return () => script.removeEventListener('load', renderCaptcha);
}, [hasValidSiteKey, turnstileSiteKey]);
const handleLogin = async (e: React.FormEvent) => {
e.preventDefault();
if (securityMisconfigured) {
setError(securityConfigurationMessage);
return;
}
if (captchaEnabled && !captchaToken) {
setError(securityRequiredMessage);
return;
}
setIsLoading(true);
setError('');
try {
const result = await login(email, password, captchaToken);
if (result === 'success') {
navigate('/graph');
} else if (result === 'captcha_failed') {
setError(captchaEnabled ? securityFailedMessage : securityConfigurationMessage);
if (captchaEnabled) {
setCaptchaToken('');
window.turnstile?.reset(captchaWidgetIdRef.current ?? undefined);
}
} else if (result === 'invalid_credentials') {
setError('E-mail ou senha incorretos.');
if (captchaEnabled) {
setCaptchaToken('');
window.turnstile?.reset(captchaWidgetIdRef.current ?? undefined);
}
} else {
setError('Erro ao conectar ao servidor.');
if (captchaEnabled) {
setCaptchaToken('');
window.turnstile?.reset(captchaWidgetIdRef.current ?? undefined);
}
}
} catch {
setError('Erro ao conectar ao servidor.');
if (captchaEnabled) {
setCaptchaToken('');
window.turnstile?.reset(captchaWidgetIdRef.current ?? undefined);
}
} finally {
setIsLoading(false);
}
};
return (
<div className="min-h-screen bg-dark-bg flex items-center justify-center p-4">
<div className="w-full max-w-md bg-dark-card border border-dark-border rounded-3xl p-8 shadow-xl">
<div className="flex flex-col items-center mb-8">
<div className="w-16 h-16 bg-brand-primary/10 rounded-2xl flex items-center justify-center text-brand-primary mb-4">
<Lock size={32} />
</div>
<h1 className="text-2xl font-bold text-dark-text">Acesso Restrito</h1>
<p className="text-dark-muted mt-2 text-sm text-center">Insira suas credenciais para acessar o painel administrativo.</p>
</div>
<form onSubmit={handleLogin} className="space-y-4">
<div>
<label className="block text-xs font-bold text-dark-muted uppercase tracking-widest mb-2">E-mail</label>
<input
type="email"
value={email}
onChange={(e) => setEmail(e.target.value)}
className="w-full bg-dark-input border border-dark-border text-dark-text rounded-xl px-4 py-3 focus:outline-none focus:border-brand-primary focus:ring-1 focus:ring-brand-primary transition-all"
placeholder="admin@admin.com"
required
/>
</div>
<div>
<label className="block text-xs font-bold text-dark-muted uppercase tracking-widest mb-2">Senha</label>
<input
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
className="w-full bg-dark-input border border-dark-border text-dark-text rounded-xl px-4 py-3 focus:outline-none focus:border-brand-primary focus:ring-1 focus:ring-brand-primary transition-all"
placeholder="••••••••"
required
/>
</div>
{(captchaEnabled || securityMisconfigured) && (
<div className="min-h-[70px] rounded-xl border border-dark-border bg-dark-input/60 p-3">
{captchaEnabled && <div ref={captchaContainerRef} className="flex justify-center" />}
{(securityMisconfigured || !captchaReady) && (
<p className="mt-2 text-center text-xs font-medium text-red-400">Verificação de segurança indisponível.</p>
)}
</div>
)}
{error && <p className="text-red-500 text-sm font-medium" role="alert">{error}</p>}
<button
type="submit"
disabled={isLoading || isConfigLoading || securityMisconfigured || !captchaReady || (captchaEnabled && !captchaToken)}
className="w-full bg-brand-primary hover:bg-opacity-90 hover:scale-[1.02] active:scale-[0.98] text-zinc-900 font-bold py-3 rounded-xl transition-all duration-200 disabled:opacity-50 disabled:hover:scale-100 disabled:active:scale-100 mt-4 cursor-pointer"
>
{isLoading || isConfigLoading ? 'Entrando...' : 'Entrar'}
</button>
</form>
</div>
</div>
);
};
export default Login;