hosted-flow.tsx500 lines · main
| 1 | 'use client'; |
| 2 | |
| 3 | import Link from 'next/link'; |
| 4 | import { useRouter } from 'next/navigation'; |
| 5 | import { useEffect, useRef, useState } from 'react'; |
| 6 | |
| 7 | type FormFlow = 'sign-in' | 'sign-up' | 'magic-link' | 'otp' | 'new-password' | 'two-factor'; |
| 8 | |
| 9 | interface Props { |
| 10 | projectId: string; |
| 11 | flow: FormFlow; |
| 12 | /** Where to send the user after successful authentication. */ |
| 13 | callbackURL: string; |
| 14 | /** Password-reset token (only for new-password flow). */ |
| 15 | token?: string; |
| 16 | /** Cloudflare Turnstile site key, or null when disabled. */ |
| 17 | turnstileSiteKey: string | null; |
| 18 | } |
| 19 | |
| 20 | const OAUTH_PROVIDERS: ReadonlyArray<string> = [ |
| 21 | 'google', |
| 22 | 'github', |
| 23 | 'discord', |
| 24 | 'microsoft', |
| 25 | 'apple', |
| 26 | 'twitter', |
| 27 | 'linkedin', |
| 28 | 'gitlab', |
| 29 | 'bitbucket', |
| 30 | 'dropbox', |
| 31 | 'facebook', |
| 32 | 'spotify', |
| 33 | ]; |
| 34 | |
| 35 | const TITLES: Record<FormFlow, string> = { |
| 36 | 'sign-in': 'sign in', |
| 37 | 'sign-up': 'create account', |
| 38 | 'magic-link': 'sign in with magic link', |
| 39 | otp: 'sign in with one-time code', |
| 40 | 'new-password': 'choose a new password', |
| 41 | 'two-factor': 'two-factor check', |
| 42 | }; |
| 43 | |
| 44 | const SUB_TITLES: Record<FormFlow, string> = { |
| 45 | 'sign-in': 'welcome back', |
| 46 | 'sign-up': 'no account yet', |
| 47 | 'magic-link': "we'll email you a one-shot sign-in link", |
| 48 | otp: "we'll email you a 6-digit code", |
| 49 | 'new-password': 'enter your new password below', |
| 50 | 'two-factor': 'authenticator code or backup recovery code', |
| 51 | }; |
| 52 | |
| 53 | interface ErrorBody { |
| 54 | code?: string; |
| 55 | message?: string; |
| 56 | error?: { code?: string; message?: string }; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Hosted-pages flow forms. Same origin as the dashboard's api proxy |
| 61 | * (`/api/v1/...`), so cookies set on `briven.tech` are forwarded |
| 62 | * automatically. Subdomain split (`<tenant>.auth.briven.tech`) lands |
| 63 | * with the CNAME orchestration runbook (BUILD_PLAN.md "Decisions |
| 64 | * locked" Q7); the form contract here doesn't change. |
| 65 | */ |
| 66 | export function HostedFlow({ projectId, flow, callbackURL, token, turnstileSiteKey }: Props) { |
| 67 | const router = useRouter(); |
| 68 | const [email, setEmail] = useState(''); |
| 69 | const [password, setPassword] = useState(''); |
| 70 | const [name, setName] = useState(''); |
| 71 | const [otp, setOtp] = useState(''); |
| 72 | const [newPassword, setNewPassword] = useState(''); |
| 73 | const [pending, setPending] = useState(false); |
| 74 | const [error, setError] = useState<string | null>(null); |
| 75 | const [magicSent, setMagicSent] = useState(false); |
| 76 | const [otpRequested, setOtpRequested] = useState(false); |
| 77 | const [resetDone, setResetDone] = useState(false); |
| 78 | const [twoFactorMode, setTwoFactorMode] = useState<'totp' | 'backup'>('totp'); |
| 79 | const [twoFactorCode, setTwoFactorCode] = useState(''); |
| 80 | const [turnstileToken, setTurnstileToken] = useState<string | null>(null); |
| 81 | const turnstileRef = useRef<HTMLDivElement>(null); |
| 82 | |
| 83 | // Load Cloudflare Turnstile script when a site key is provided. |
| 84 | useEffect(() => { |
| 85 | if (!turnstileSiteKey || !turnstileRef.current) return; |
| 86 | if (document.querySelector('script[data-turnstile-loaded]')) { |
| 87 | renderTurnstile(); |
| 88 | return; |
| 89 | } |
| 90 | const script = document.createElement('script'); |
| 91 | script.src = 'https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit'; |
| 92 | script.async = true; |
| 93 | script.defer = true; |
| 94 | script.setAttribute('data-turnstile-loaded', 'true'); |
| 95 | script.onload = () => renderTurnstile(); |
| 96 | document.body.appendChild(script); |
| 97 | return () => { |
| 98 | // Cleanup handled by Turnstile internally on re-render. |
| 99 | }; |
| 100 | }, [turnstileSiteKey]); |
| 101 | |
| 102 | function renderTurnstile() { |
| 103 | const win = window as unknown as { |
| 104 | turnstile?: { |
| 105 | render: ( |
| 106 | el: HTMLElement, |
| 107 | opts: { |
| 108 | sitekey: string; |
| 109 | callback: (token: string) => void; |
| 110 | 'error-callback'?: () => void; |
| 111 | }, |
| 112 | ) => string; |
| 113 | }; |
| 114 | }; |
| 115 | if (!win.turnstile || !turnstileRef.current) return; |
| 116 | win.turnstile.render(turnstileRef.current, { |
| 117 | sitekey: turnstileSiteKey!, |
| 118 | callback: (t) => setTurnstileToken(t), |
| 119 | 'error-callback': () => setTurnstileToken(null), |
| 120 | }); |
| 121 | } |
| 122 | |
| 123 | async function post(path: string, body: Record<string, unknown>): Promise<unknown> { |
| 124 | setPending(true); |
| 125 | setError(null); |
| 126 | try { |
| 127 | const payload = turnstileToken ? { ...body, turnstileToken } : body; |
| 128 | const res = await fetch(`/api/v1/auth-tenant${path}`, { |
| 129 | method: 'POST', |
| 130 | credentials: 'include', |
| 131 | headers: { |
| 132 | 'content-type': 'application/json', |
| 133 | 'x-briven-project-id': projectId, |
| 134 | }, |
| 135 | body: JSON.stringify(payload), |
| 136 | }); |
| 137 | if (!res.ok) { |
| 138 | const err = (await res.json().catch(() => ({}))) as ErrorBody; |
| 139 | throw new Error(err.error?.message ?? err.message ?? err.code ?? `http ${res.status}`); |
| 140 | } |
| 141 | return await res.json(); |
| 142 | } finally { |
| 143 | setPending(false); |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | async function handleSignIn(e: React.FormEvent): Promise<void> { |
| 148 | e.preventDefault(); |
| 149 | try { |
| 150 | const body = (await post('/sign-in/email', { email, password })) as { |
| 151 | twoFactorRedirect?: boolean; |
| 152 | user?: { id?: string }; |
| 153 | }; |
| 154 | // Password ok but account has 2FA — continue on the challenge page. |
| 155 | if (body?.twoFactorRedirect === true) { |
| 156 | router.push( |
| 157 | `/auth/${projectId}/two-factor?callbackURL=${encodeURIComponent(callbackURL)}`, |
| 158 | ); |
| 159 | return; |
| 160 | } |
| 161 | router.push(callbackURL); |
| 162 | } catch (err) { |
| 163 | setError(err instanceof Error ? err.message : 'sign-in failed'); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | async function handleTwoFactor(e: React.FormEvent): Promise<void> { |
| 168 | e.preventDefault(); |
| 169 | try { |
| 170 | if (twoFactorMode === 'totp') { |
| 171 | await post('/two-factor/verify-totp', { code: twoFactorCode }); |
| 172 | } else { |
| 173 | await post('/two-factor/verify-backup-code', { code: twoFactorCode }); |
| 174 | } |
| 175 | router.push(callbackURL); |
| 176 | } catch (err) { |
| 177 | setError( |
| 178 | err instanceof Error |
| 179 | ? err.message |
| 180 | : twoFactorMode === 'totp' |
| 181 | ? 'authenticator code failed' |
| 182 | : 'backup code failed', |
| 183 | ); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | async function handleSignUp(e: React.FormEvent): Promise<void> { |
| 188 | e.preventDefault(); |
| 189 | try { |
| 190 | await post('/sign-up/email', { email, password, name: name || undefined }); |
| 191 | router.push(callbackURL); |
| 192 | } catch (err) { |
| 193 | setError(err instanceof Error ? err.message : 'sign-up failed'); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | async function handleMagic(e: React.FormEvent): Promise<void> { |
| 198 | e.preventDefault(); |
| 199 | try { |
| 200 | // Better Auth expects callbackURL (post-click land), not a bare email-only body. |
| 201 | await post('/sign-in/magic-link', { email, callbackURL }); |
| 202 | setMagicSent(true); |
| 203 | } catch (err) { |
| 204 | setError(err instanceof Error ? err.message : 'magic-link request failed'); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | async function handleOtpRequest(e: React.FormEvent): Promise<void> { |
| 209 | e.preventDefault(); |
| 210 | try { |
| 211 | // Better Auth: POST /email-otp/send-verification-otp (NOT under /sign-in/…). |
| 212 | await post('/email-otp/send-verification-otp', { email, type: 'sign-in' }); |
| 213 | setOtpRequested(true); |
| 214 | } catch (err) { |
| 215 | setError(err instanceof Error ? err.message : 'otp request failed'); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | async function handleOtpVerify(e: React.FormEvent): Promise<void> { |
| 220 | e.preventDefault(); |
| 221 | try { |
| 222 | // Better Auth: POST /sign-in/email-otp with { email, otp }. |
| 223 | await post('/sign-in/email-otp', { email, otp }); |
| 224 | router.push(callbackURL); |
| 225 | } catch (err) { |
| 226 | setError(err instanceof Error ? err.message : 'otp verify failed'); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | async function handleNewPassword(e: React.FormEvent): Promise<void> { |
| 231 | e.preventDefault(); |
| 232 | if (!token) { |
| 233 | setError('missing reset token'); |
| 234 | return; |
| 235 | } |
| 236 | try { |
| 237 | await post('/reset-password', { token, newPassword }); |
| 238 | setResetDone(true); |
| 239 | } catch (err) { |
| 240 | setError(err instanceof Error ? err.message : 'password reset failed'); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | function oauthHref(provider: string): string { |
| 245 | const params = new URLSearchParams({ |
| 246 | provider, |
| 247 | callbackURL, |
| 248 | projectId, |
| 249 | }); |
| 250 | return `/api/v1/auth-tenant/sign-in/social?${params.toString()}`; |
| 251 | } |
| 252 | |
| 253 | return ( |
| 254 | <article className="flex flex-col gap-5 rounded-md border border-[var(--color-border)] bg-[var(--color-surface)] p-6"> |
| 255 | <header> |
| 256 | <h1 className="font-mono text-base text-[var(--color-text)]">{TITLES[flow]}</h1> |
| 257 | <p className="mt-1 font-mono text-xs text-[var(--color-text-muted)]"> |
| 258 | {SUB_TITLES[flow]} |
| 259 | </p> |
| 260 | </header> |
| 261 | |
| 262 | {flow === 'sign-in' ? ( |
| 263 | <form className="flex flex-col gap-3" onSubmit={handleSignIn}> |
| 264 | <Field label="email" type="email" value={email} onChange={setEmail} autoComplete="email" /> |
| 265 | <Field |
| 266 | label="password" |
| 267 | type="password" |
| 268 | value={password} |
| 269 | onChange={setPassword} |
| 270 | autoComplete="current-password" |
| 271 | /> |
| 272 | {turnstileSiteKey ? <div ref={turnstileRef} className="min-h-[65px]" /> : null} |
| 273 | <Submit pending={pending} idle="sign in" busy="signing in…" /> |
| 274 | </form> |
| 275 | ) : null} |
| 276 | |
| 277 | {flow === 'sign-up' ? ( |
| 278 | <form className="flex flex-col gap-3" onSubmit={handleSignUp}> |
| 279 | <Field label="name" type="text" value={name} onChange={setName} autoComplete="name" /> |
| 280 | <Field label="email" type="email" value={email} onChange={setEmail} autoComplete="email" /> |
| 281 | <Field |
| 282 | label="password" |
| 283 | type="password" |
| 284 | value={password} |
| 285 | onChange={setPassword} |
| 286 | autoComplete="new-password" |
| 287 | /> |
| 288 | {turnstileSiteKey ? <div ref={turnstileRef} className="min-h-[65px]" /> : null} |
| 289 | <Submit pending={pending} idle="create account" busy="creating…" /> |
| 290 | </form> |
| 291 | ) : null} |
| 292 | |
| 293 | {flow === 'magic-link' ? ( |
| 294 | magicSent ? ( |
| 295 | <p className="font-mono text-xs text-[var(--color-text-muted)]"> |
| 296 | check your inbox for the sign-in link. close this tab when done. |
| 297 | </p> |
| 298 | ) : ( |
| 299 | <form className="flex flex-col gap-3" onSubmit={handleMagic}> |
| 300 | <Field label="email" type="email" value={email} onChange={setEmail} autoComplete="email" /> |
| 301 | {turnstileSiteKey ? <div ref={turnstileRef} className="min-h-[65px]" /> : null} |
| 302 | <Submit pending={pending} idle="send magic link" busy="sending…" /> |
| 303 | </form> |
| 304 | ) |
| 305 | ) : null} |
| 306 | |
| 307 | {flow === 'otp' ? ( |
| 308 | otpRequested ? ( |
| 309 | <form className="flex flex-col gap-3" onSubmit={handleOtpVerify}> |
| 310 | <Field |
| 311 | label="6-digit code" |
| 312 | type="text" |
| 313 | value={otp} |
| 314 | onChange={setOtp} |
| 315 | autoComplete="one-time-code" |
| 316 | inputMode="numeric" |
| 317 | pattern="\d{6}" |
| 318 | maxLength={6} |
| 319 | /> |
| 320 | <Submit pending={pending} idle="verify" busy="verifying…" /> |
| 321 | </form> |
| 322 | ) : ( |
| 323 | <form className="flex flex-col gap-3" onSubmit={handleOtpRequest}> |
| 324 | <Field label="email" type="email" value={email} onChange={setEmail} autoComplete="email" /> |
| 325 | {turnstileSiteKey ? <div ref={turnstileRef} className="min-h-[65px]" /> : null} |
| 326 | <Submit pending={pending} idle="send code" busy="sending…" /> |
| 327 | </form> |
| 328 | ) |
| 329 | ) : null} |
| 330 | |
| 331 | {flow === 'new-password' ? ( |
| 332 | resetDone ? ( |
| 333 | <div className="flex flex-col gap-3"> |
| 334 | <p className="font-mono text-xs text-[var(--color-text-muted)]"> |
| 335 | password updated. you can now sign in with your new password. |
| 336 | </p> |
| 337 | <Link |
| 338 | href={`/auth/${projectId}/sign-in`} |
| 339 | className="rounded-md bg-[var(--color-primary)] px-4 py-2 text-center font-mono text-xs font-medium text-[var(--color-text-inverse)] transition hover:bg-[var(--color-primary-hover)]" |
| 340 | > |
| 341 | sign in |
| 342 | </Link> |
| 343 | </div> |
| 344 | ) : ( |
| 345 | <form className="flex flex-col gap-3" onSubmit={handleNewPassword}> |
| 346 | <Field |
| 347 | label="new password" |
| 348 | type="password" |
| 349 | value={newPassword} |
| 350 | onChange={setNewPassword} |
| 351 | autoComplete="new-password" |
| 352 | /> |
| 353 | <Submit pending={pending} idle="reset password" busy="resetting…" /> |
| 354 | </form> |
| 355 | ) |
| 356 | ) : null} |
| 357 | |
| 358 | {flow === 'two-factor' ? ( |
| 359 | <form className="flex flex-col gap-3" onSubmit={handleTwoFactor}> |
| 360 | <Field |
| 361 | label={twoFactorMode === 'totp' ? '6-digit code' : 'backup recovery code'} |
| 362 | type="text" |
| 363 | value={twoFactorCode} |
| 364 | onChange={setTwoFactorCode} |
| 365 | autoComplete={twoFactorMode === 'totp' ? 'one-time-code' : undefined} |
| 366 | inputMode={twoFactorMode === 'totp' ? 'numeric' : 'text'} |
| 367 | pattern={twoFactorMode === 'totp' ? '\\d{6}' : undefined} |
| 368 | maxLength={twoFactorMode === 'totp' ? 6 : undefined} |
| 369 | /> |
| 370 | <Submit |
| 371 | pending={pending} |
| 372 | idle={twoFactorMode === 'totp' ? 'verify' : 'use backup code'} |
| 373 | busy="checking…" |
| 374 | /> |
| 375 | <button |
| 376 | type="button" |
| 377 | className="font-mono text-[11px] text-[var(--color-text-muted)] hover:text-[var(--color-primary)]" |
| 378 | onClick={() => { |
| 379 | setTwoFactorMode(twoFactorMode === 'totp' ? 'backup' : 'totp'); |
| 380 | setTwoFactorCode(''); |
| 381 | setError(null); |
| 382 | }} |
| 383 | > |
| 384 | {twoFactorMode === 'totp' |
| 385 | ? 'lost your phone? use a backup code' |
| 386 | : 'use authenticator code instead'} |
| 387 | </button> |
| 388 | </form> |
| 389 | ) : null} |
| 390 | |
| 391 | {error ? ( |
| 392 | <p className="font-mono text-xs text-[var(--color-error)]" role="alert"> |
| 393 | {error} |
| 394 | </p> |
| 395 | ) : null} |
| 396 | |
| 397 | {flow !== 'new-password' && flow !== 'two-factor' ? ( |
| 398 | <div className="flex flex-col gap-2 border-t border-[var(--color-border-subtle)] pt-4"> |
| 399 | <p className="text-center font-mono text-[11px] text-[var(--color-text-subtle)]"> |
| 400 | or continue with |
| 401 | </p> |
| 402 | <div className="grid grid-cols-2 gap-2"> |
| 403 | {OAUTH_PROVIDERS.map((p) => ( |
| 404 | <a |
| 405 | key={p} |
| 406 | href={oauthHref(p)} |
| 407 | className="rounded-md border border-[var(--color-border)] px-3 py-2 text-center font-mono text-xs text-[var(--color-text-muted)] hover:border-[var(--color-primary)] hover:text-[var(--color-primary)]" |
| 408 | > |
| 409 | {p} |
| 410 | </a> |
| 411 | ))} |
| 412 | </div> |
| 413 | </div> |
| 414 | ) : null} |
| 415 | |
| 416 | <nav className="flex flex-wrap justify-center gap-3 font-mono text-[11px]"> |
| 417 | {flow !== 'sign-in' ? ( |
| 418 | <Link |
| 419 | href={`/auth/${projectId}/sign-in`} |
| 420 | className="text-[var(--color-text-muted)] hover:text-[var(--color-primary)]" |
| 421 | > |
| 422 | password sign-in |
| 423 | </Link> |
| 424 | ) : null} |
| 425 | {flow !== 'sign-up' && flow !== 'two-factor' ? ( |
| 426 | <Link |
| 427 | href={`/auth/${projectId}/sign-up`} |
| 428 | className="text-[var(--color-text-muted)] hover:text-[var(--color-primary)]" |
| 429 | > |
| 430 | create account |
| 431 | </Link> |
| 432 | ) : null} |
| 433 | {flow !== 'magic-link' && flow !== 'two-factor' ? ( |
| 434 | <Link |
| 435 | href={`/auth/${projectId}/magic-link`} |
| 436 | className="text-[var(--color-text-muted)] hover:text-[var(--color-primary)]" |
| 437 | > |
| 438 | magic link |
| 439 | </Link> |
| 440 | ) : null} |
| 441 | {flow !== 'otp' && flow !== 'two-factor' ? ( |
| 442 | <Link |
| 443 | href={`/auth/${projectId}/otp`} |
| 444 | className="text-[var(--color-text-muted)] hover:text-[var(--color-primary)]" |
| 445 | > |
| 446 | email code |
| 447 | </Link> |
| 448 | ) : null} |
| 449 | </nav> |
| 450 | </article> |
| 451 | ); |
| 452 | } |
| 453 | |
| 454 | interface FieldProps { |
| 455 | label: string; |
| 456 | type: string; |
| 457 | value: string; |
| 458 | onChange: (value: string) => void; |
| 459 | autoComplete?: string; |
| 460 | inputMode?: 'numeric' | 'text'; |
| 461 | pattern?: string; |
| 462 | maxLength?: number; |
| 463 | } |
| 464 | |
| 465 | function Field(props: FieldProps) { |
| 466 | return ( |
| 467 | <label className="flex flex-col gap-1 font-mono text-xs text-[var(--color-text-muted)]"> |
| 468 | <span>{props.label}</span> |
| 469 | <input |
| 470 | type={props.type} |
| 471 | value={props.value} |
| 472 | onChange={(e) => props.onChange(e.target.value)} |
| 473 | required |
| 474 | autoComplete={props.autoComplete} |
| 475 | inputMode={props.inputMode} |
| 476 | pattern={props.pattern} |
| 477 | maxLength={props.maxLength} |
| 478 | className="rounded-sm border border-[var(--color-border-subtle)] bg-[var(--color-surface-raised)] px-2 py-1.5 font-mono text-xs text-[var(--color-text)] outline-none focus:border-[var(--color-primary)]" |
| 479 | /> |
| 480 | </label> |
| 481 | ); |
| 482 | } |
| 483 | |
| 484 | interface SubmitProps { |
| 485 | pending: boolean; |
| 486 | idle: string; |
| 487 | busy: string; |
| 488 | } |
| 489 | |
| 490 | function Submit({ pending, idle, busy }: SubmitProps) { |
| 491 | return ( |
| 492 | <button |
| 493 | type="submit" |
| 494 | disabled={pending} |
| 495 | className="rounded-md bg-[var(--color-primary)] px-4 py-2 font-mono text-xs font-medium text-[var(--color-text-inverse)] transition hover:bg-[var(--color-primary-hover)] disabled:opacity-50" |
| 496 | > |
| 497 | {pending ? busy : idle} |
| 498 | </button> |
| 499 | ); |
| 500 | } |