Lock.tsx

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1import { For, Match, Show, Switch, createMemo, createSignal, onCleanup, onMount } from "solid-js";2import { sendMessage } from "../App";3import { PeachMark, PeachWordmark } from "../components/PeachMark";4import { RecoveryWordEntryView } from "./RecoveryWordEntry";5import { RecoveryWordDisplayView } from "./RecoveryWordDisplay";6import { RuneBackground } from "../components/RuneBackground";7import { storageGet, storageRemove, storageSet } from "../../shared/storage";8import { isPeachScript, decodePeachScript, normalisePeachScript } from "../../crypto/peachScript";9import { parsePayload } from "../../crypto/peachPayload";10import { parseImportSource } from "../../shared/import";11import { isNativePlatform, nativePlugin } from "../../shared/native";1213const peachMarkImg = new Image();14peachMarkImg.src = `data:image/svg+xml,${encodeURIComponent(15  '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 240 240" fill="none">' +16  '<path d="M 124 64 C 134 32 168 16 200 22 C 198 56 168 72 130 66 Z" fill="#92AC65"/>' +17  '<path d="M 130 64 C 152 46 178 30 196 24" stroke="#5E7A42" stroke-width="2.6" fill="none" stroke-linecap="round"/>' +18  '<path d="M 120 60 C 75 45 28 75 22 130 C 18 185 65 222 125 222 C 185 222 222 185 220 130 C 218 78 170 45 120 60 Z" fill="#FFB082"/>' +19  '<path d="M 120 60 C 75 45 28 75 22 130 C 18 185 65 222 125 222 C 105 195 75 150 100 90 C 105 75 112 65 120 60 Z" fill="#E5805C"/>' +20  '<ellipse cx="178" cy="108" rx="20" ry="11" fill="#FFD0A8" opacity="0.7" transform="rotate(-26 178 108)"/>' +21  '</svg>'22)}`;2324// Lazy-load @zxcvbn-ts — heavy (dictionaries ~700 kB) and only needed during25// vault creation. Replaces the unmaintained [email protected] (LV-8); result.score26// keeps the same 0-4 scale so downstream UI is unchanged.27let _zxcvbn: ((password: string) => { score: number }) | null = null;28async function getZxcvbn() {29  if (_zxcvbn) return _zxcvbn;30  const [{ zxcvbn, zxcvbnOptions }, common, en] = await Promise.all([31    import("@zxcvbn-ts/core"),32    import("@zxcvbn-ts/language-common"),33    import("@zxcvbn-ts/language-en"),34  ]);35  zxcvbnOptions.setOptions({36    translations: en.translations,37    graphs: common.adjacencyGraphs,38    dictionary: { ...common.dictionary, ...en.dictionary },39  });40  _zxcvbn = (password: string) => zxcvbn(password);41  return _zxcvbn;42}4344interface LockProps {45  hasVault: boolean;46  ready: boolean;47  isPro?: boolean;48  /** When true, render the recovery-words display directly instead of the49   *  unlock UI. Used after a popup close+reopen during the create-vault50   *  recovery confirmation flow (peach_recovery_pending flag). */51  forceRecoveryWords?: boolean;52  onUnlock: () => void | Promise<void>;53  /** Optional escape hatch: rewind from the create-vault screen back to54   *  Onboarding. Only meaningful when the user reached create-vault from55   *  Onboarding in the first place. */56  onBackToOnboarding?: () => void;57  /** Optional: open the Peach Codex restore flow (camera scan of printed58    *  Codex pages). Surfaced as a small footer link on the new-vault screen. */59  onOpenCodexRestore?: () => void;60  /** Open directly on backup restore when onboarding routed the user there. */61  initialRestore?: boolean;62  /** Resume the restore surface on the source the user had picked. Set from63    *  RESTORE_SOURCE_STORAGE_KEY at boot — a popup close (the OS file picker64    *  kills it) must land back on the same source form, not the picker. */65  initialRestoreSource?: RestoreSource;66}6768/** The restore source picked before a popup close, so boot can resume the69 *  same source form instead of rewinding to the source picker. Written by70 *  RestoreView, read/cleared by App. */71export const RESTORE_SOURCE_STORAGE_KEY = "peach_onboarding_restore_source";7273type RestoreSurface = "restore" | null;74type RecoverSurface = "words" | "new-password" | null;7576export function LockView(props: LockProps) {77  const [password, setPassword] = createSignal("");78  const [confirmPassword, setConfirmPassword] = createSignal("");79  const [error, setError] = createSignal("");80  const [loading, setLoading] = createSignal(false);81  const [restoreSurface, setRestoreSurface] = createSignal<RestoreSurface>(82    props.initialRestore ? "restore" : null,83  );84  const [showPassword, setShowPassword] = createSignal(false);85  const [recoverSurface, setRecoverSurface] = createSignal<RecoverSurface>(null);86  // After vault creation succeeds, set this to show the recovery words screen.87  // Only meaningful when hasVault === false.88  const [showRecoveryWords, setShowRecoveryWords] = createSignal(props.forceRecoveryWords ?? false);8990  const MIN_LENGTH = 12;91  const MIN_ZXCVBN_SCORE = 2;9293  const [strengthScore, setStrengthScore] = createSignal<number | null>(null);94  const [biometricAvailable, setBiometricAvailable] = createSignal(false);95  const [biometricBusy, setBiometricBusy] = createSignal(false);96  const [pinAvailable, setPinAvailable] = createSignal(false);97  const [usingPin, setUsingPin] = createSignal(false);98  const [pin, setPin] = createSignal("");99100  const canCreate = createMemo(101    () =>102      password().length >= MIN_LENGTH &&103      confirmPassword().length >= MIN_LENGTH &&104      password() === confirmPassword() &&105      strengthScore() !== null &&106      strengthScore()! >= MIN_ZXCVBN_SCORE107  );108109  const passwordStrength = createMemo(() => {110    const score = strengthScore();111    if (score === null) return null;112    if (score <= 1) return "weak";113    if (score === 2) return "fair";114    if (score === 3) return "good";115    return "strong";116  });117118  const createBlockerMessage = createMemo(() => {119    if (!password()) return null;120    if (password().length < MIN_LENGTH) return `need ${MIN_LENGTH - password().length} more characters`;121    if (!confirmPassword()) return "confirm your password";122    if (password() !== confirmPassword()) return "passwords don't match";123    if (strengthScore() === null) return "checking strength…";124    if (strengthScore()! < MIN_ZXCVBN_SCORE) return "password too weak — use a longer passphrase";125    return null;126  });127128  // Update strength asynchronously when password changes129  createMemo(() => {130    const value = password();131    if (!value) { setStrengthScore(null); return; }132    getZxcvbn().then((zxcvbn) => {133      if (password() === value) setStrengthScore(zxcvbn(value).score);134    }).catch(() => {135      // zxcvbn unavailable — fall back to length-only heuristic136      if (password() === value) setStrengthScore(value.length >= 16 ? 3 : value.length >= 12 ? 2 : 1);137    });138  });139140  async function handleUnlock() {141    if (!password().trim()) return;142    setLoading(true);143    setError("");144    const response = await sendMessage({145      type: "UNLOCK",146      payload: { password: password() },147    });148    const result = response as { ok: boolean; error?: string };149    if (result.ok) {150      await props.onUnlock();151      setLoading(false);152      return;153    }154    setError(getDisplayError(result.error, "incorrect password"));155    setPassword("");156    const passwordField = document.querySelector(".lock-password-input") as HTMLInputElement | undefined;157    passwordField?.classList.add("shake");158    setTimeout(() => passwordField?.classList.remove("shake"), 300);159    setLoading(false);160  }161162  async function handlePinUnlock() {163    if (!/^\d{4,12}$/.test(pin())) return;164    setLoading(true);165    setError("");166    const response = await sendMessage({167      type: "UNLOCK_WITH_PIN",168      payload: { pin: pin() },169    });170    const result = response as { ok: boolean; error?: string };171    if (result.ok) {172      await props.onUnlock();173      setLoading(false);174      return;175    }176    setError(getDisplayError(result.error, "incorrect PIN"));177    setPin("");178    const pinField = document.querySelector(".lock-pin-input") as HTMLInputElement | undefined;179    pinField?.classList.add("shake");180    setTimeout(() => pinField?.classList.remove("shake"), 300);181    setLoading(false);182  }183184  async function checkPinAvailable(): Promise<void> {185    if (!props.hasVault) return;186    try {187      const response = await sendMessage({ type: "GET_SETTINGS" });188      const settings = (response as { ok: boolean; data?: { pinEnabled?: boolean; pinPreferred?: boolean } }).data;189      const enabled = settings?.pinEnabled === true;190      setPinAvailable(enabled);191      if (enabled && settings?.pinPreferred === true) setUsingPin(true);192    } catch { /* settings are optional at the lock screen */ }193  }194195  async function checkBiometricAvailable(): Promise<void> {196    if (!props.hasVault || !isNativePlatform()) return;197    const keystore = nativePlugin<{ hasMasterKey: () => Promise<{ exists: boolean }> }>("KeystorePlugin");198    const biometric = nativePlugin<{ isAvailable: () => Promise<{ available: boolean }> }>("BiometricPlugin");199    if (!keystore || !biometric) return;200    try {201      const stored = await keystore.hasMasterKey();202      if (!stored.exists) return;203      const avail = await biometric.isAvailable();204      if (!avail.available) return;205      setBiometricAvailable(true);206      window.setTimeout(() => { void handleBiometricUnlock(); }, 400);207    } catch { /* missing plugins or runtime error — silently skip */ }208  }209210  async function handleBiometricUnlock(): Promise<void> {211    if (biometricBusy()) return;212    const biometric = nativePlugin<{ authenticate: (opts: Record<string, string>) => Promise<void> }>("BiometricPlugin");213    const keystore = nativePlugin<{ retrieveMasterKey: () => Promise<{ masterKeyHex: string }> }>("KeystorePlugin");214    if (!biometric || !keystore) return;215    setBiometricBusy(true);216    setError("");217    try {218      await biometric.authenticate({219        title: "Unlock Peach",220        subtitle: "Use biometrics to access your vault",221        negativeButtonText: "Use Password",222      });223      const { masterKeyHex } = await keystore.retrieveMasterKey();224      const res = (await sendMessage({225        type: "UNLOCK_WITH_KEY",226        payload: { masterKeyHex },227      })) as { ok: boolean; error?: string };228      if (res.ok) {229        await props.onUnlock();230        return;231      }232      if (res.error === "biometric_key_invalidated") {233        await sendMessage({234          type: "UPDATE_SETTINGS",235          payload: { biometricsEnabled: false },236        });237        setBiometricAvailable(false);238        setError("biometric key expired — re-enable in settings");239      } else {240        setError("biometric unlock failed");241      }242    } catch (e) {243      const reason = e instanceof Error ? e.message : String(e);244      if (reason.includes("user_cancelled")) return;245      if (reason.includes("biometric_key_invalidated")) {246        await sendMessage({247          type: "UPDATE_SETTINGS",248          payload: { biometricsEnabled: false },249        });250        setBiometricAvailable(false);251        setError("biometric key expired — re-enable in settings");252        return;253      }254      if (reason.includes("biometric_lockout")) {255        setError("biometric locked out — use your password");256      }257    } finally {258      setBiometricBusy(false);259    }260  }261262  onMount(() => {263    void checkBiometricAvailable();264    void checkPinAvailable();265  });266267  async function handleCreate() {268    if (!password().trim()) return;269    if (password().length < MIN_LENGTH) {270      setError(`password must be at least ${MIN_LENGTH} characters`);271      return;272    }273    if (password() !== confirmPassword()) {274      setError("passwords do not match");275      return;276    }277    const score = strengthScore();278    if (score === null || score < MIN_ZXCVBN_SCORE) {279      setError("password is too weak — use a longer passphrase");280      return;281    }282    setLoading(true);283    setError("");284    const response = await sendMessage({285      type: "CREATE_VAULT",286      payload: { password: password() },287    });288    const result = response as { ok: boolean; error?: string };289    if (result.ok) {290      // Don't unlock yet — show the recovery words screen first. Mark the291      // confirmation as pending in chrome.storage.local so it survives both292      // popup close (lock-on-close skips while set) and full browser restart293      // (next unlock re-routes to the recovery surface). Cleared when the294      // user types the 3 confirmation words successfully.295      try {296        await chrome.storage.local?.set({ peach_recovery_pending: "1" });297      } catch { /* best-effort */ }298      setShowRecoveryWords(true);299      setLoading(false);300      return;301    }302    setError(getDisplayError(result.error, "failed to create vault"));303    setLoading(false);304  }305306  // ── All surfaces routed reactively via Switch/Match ───────────────────307  return (308    <Switch>309      {/* ── Restore surface ───────────────────────────────────────── */}310      <Match when={restoreSurface() === "restore"}>311        <RestoreView312          hasVault={props.hasVault}313          onOpenCodexRestore={props.onOpenCodexRestore}314          initialSource={props.initialRestoreSource}315          onBack={() => {316            // The restore tab is only reached from the onboarding carousel,317            // so back returns there — not to the create-vault form.318            if (props.onBackToOnboarding) props.onBackToOnboarding();319            else setRestoreSurface(null);320          }}321          onUnlock={async () => {322            setRestoreSurface(null);323            await props.onUnlock();324          }}325        />326      </Match>327328      {/* ── Recovery words display after fresh vault creation ────────── */}329      {/* Read props.forceRecoveryWords directly, not just the boot-time330          signal copy: when the vault is locked with a pending confirmation,331          App flips the flag after UNLOCK without remounting LockView. */}332      <Match333        when={334          (showRecoveryWords() || props.forceRecoveryWords) &&335          (!props.hasVault || props.forceRecoveryWords)336        }337      >338        <RecoveryWordDisplayView339          onDone={props.onUnlock}340        />341      </Match>342343      {/* ── Recovery word entry ─────────────────────────────────────── */}344      <Match when={recoverSurface() === "words"}>345        <RecoveryWordEntryView346          onCancel={() => setRecoverSurface(null)}347          onRecoveryComplete={props.onUnlock}348        />349      </Match>350351      {/* ── Unlock (hasVault = true) ───────────────────────────────── */}352      <Match when={props.hasVault}>353        <section class="peach-screen peach-theme lock-screen lock-screen--vault-stage" data-motion-phase="enter">354          <RuneBackground opacity={0.07} />355356          <header class="peach-screen-header lock-screen-header">357            <div class="peach-wordmark-stack">358              <PeachWordmark class="peach-wordmark-wrap" />359              <Show when={props.isPro}>360                <span class="peach-pro-mini-badge">pro</span>361              </Show>362            </div>363          </header>364365          <div class="peach-lock-hero peach-lock-hero--unlock">366            <PeachMark class="peach-lock-mark" />367            <span class="peach-lock-eyebrow">vault locked</span>368            <h1 class="peach-onboarding-headline peach-lock-headline--unlock">369              unlock370              <br />371              your vault.372            </h1>373          </div>374375          <section class="peach-lock-panel peach-lock-panel--unlock peach-glass">376            <Show when={usingPin()} fallback={377              <>378                <label class="peach-label" for="unlock-password">379                  master password380                </label>381                <input382                  id="unlock-password"383                  class="peach-underline-input peach-unlock-input lock-password-input"384                  type="password"385                  placeholder="••••••••••••"386                  autocomplete="current-password"387                  value={password()}388                  disabled={!props.ready}389                  ref={(el) => { if (props.ready) setTimeout(() => el.focus(), 80); }}390                  onInput={(event) => setPassword((event.target as HTMLInputElement).value)}391                  onKeyDown={(event) => {392                    if (event.key !== "Enter" || !props.ready) return;393                    void handleUnlock();394                  }}395                />396              </>397            }>398              <label class="peach-label" for="unlock-pin">399                PIN400              </label>401              <input402                id="unlock-pin"403                class="peach-underline-input peach-unlock-input lock-pin-input"404                type="password"405                inputmode="numeric"406                maxlength="12"407                placeholder="••••••••••••"408                autocomplete="off"409                value={pin()}410                disabled={!props.ready}411                ref={(el) => { if (props.ready) setTimeout(() => el.focus(), 80); }}412                onInput={(event) => setPin((event.target as HTMLInputElement).value.replace(/\D/g, "").slice(0, 12))}413                onKeyDown={(event) => {414                  if (event.key !== "Enter" || !props.ready) return;415                  void handlePinUnlock();416                }}417              />418              <button419                class="peach-lock-recover-link"420                type="button"421                onClick={() => { setUsingPin(false); setError(""); }}422              >423                use master password424              </button>425            </Show>426427            <Show when={error()}>428              <p class="peach-hint peach-hint-error">{error()}</p>429            </Show>430431            <button432              class="peach-btn peach-btn--accent peach-btn--md peach-lock-submit"433              onClick={() => void (usingPin() ? handlePinUnlock() : handleUnlock())}434              disabled={!props.ready || loading()}435            >436              {loading() ? "unlocking..." : usingPin() ? "unlock with PIN" : "unlock"}437            </button>438439            <Show when={!usingPin() && pinAvailable()}>440              <button441                class="peach-lock-recover-link"442                type="button"443                onClick={() => { setUsingPin(true); setError(""); }}444              >445                use PIN446              </button>447            </Show>448449            <Show when={biometricAvailable()}>450              <button451                class="peach-biometric-btn"452                type="button"453                onClick={() => void handleBiometricUnlock()}454                disabled={biometricBusy() || loading()}455                aria-label="Unlock with biometrics"456              >457                <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.4" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">458                  <path d="M12 11c-1.7 0-3 1.3-3 3v3"/>459                  <path d="M15 17v-3"/>460                  <path d="M9 4.5C9.7 4.2 10.8 4 12 4s2.3.2 3 .5"/>461                  <path d="M5 9c.7-1.6 2-2.9 3.6-3.6"/>462                  <path d="M19 9c-.7-1.6-2-2.9-3.6-3.6"/>463                  <path d="M5 15c0-1.7.3-3.3.8-4.7"/>464                  <path d="M19 15c0-1.7-.3-3.3-.8-4.7"/>465                </svg>466                {biometricBusy() ? "verifying…" : "use biometrics"}467              </button>468            </Show>469470            <button471              class="peach-lock-recover-link"472              type="button"473              onClick={() => setRecoverSurface("words")}474            >475              forgot your password?476            </button>477          </section>478        </section>479      </Match>480481      {/* ── Onboarding (hasVault = false) ─────────────────────────── */}482      <Match when={true}>483        <section484          class="peach-screen peach-theme lock-screen lock-screen--vault-stage peach-newvault"485          data-motion-phase="enter"486        >487          <header class="peach-screen-header peach-newvault-header">488            <div class="peach-wordmark-stack">489              <PeachWordmark class="peach-wordmark-wrap" />490              <Show when={props.isPro}>491                <span class="peach-pro-mini-badge">pro</span>492              </Show>493            </div>494            <Show when={props.onBackToOnboarding}>495              <button496                class="peach-newvault-back"497                type="button"498                onClick={() => props.onBackToOnboarding?.()}499                aria-label="Back to onboarding"500              >501                <svg width="11" height="11" viewBox="0 0 11 11" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round">502                  <path d="M7 2L3 5.5L7 9" />503                </svg>504                back505              </button>506            </Show>507          </header>508509          <div class="peach-newvault-mark" aria-hidden="true">510            <PeachMark class="peach-newvault-mark-art" />511          </div>512513          <div class="peach-newvault-card">514            <h1 class="peach-newvault-headline">{"keep your\nsecrets."}</h1>515            <hr class="peach-newvault-divider" />516517            <div class="peach-newvault-field">518              <div class="peach-newvault-label-row">519                <label class="peach-label" for="master-password">520                  master password521                </label>522                <button523                  class="peach-lock-reveal-btn"524                  type="button"525                  onClick={() => setShowPassword((value) => !value)}526                  aria-label={showPassword() ? "Hide password" : "Show password"}527                >528                  <Show529                    when={showPassword()}530                    fallback={531                      <svg width="15" height="10" viewBox="0 0 14 10" fill="none" stroke="currentColor" stroke-width="0.9" stroke-linecap="round">532                        <path d="M1 5C1 5 2.8 1 7 1C11.2 1 13 5 13 5C13 5 11.2 9 7 9C2.8 9 1 5 1 5Z" />533                        <circle cx="7" cy="5" r="1.75" />534                      </svg>535                    }536                  >537                    <svg width="15" height="10" viewBox="0 0 14 10" fill="none" stroke="currentColor" stroke-width="0.9" stroke-linecap="round">538                      <path d="M1 2C3 4.5 5 6 7 6C9 6 11 4.5 13 2" />539                      <path d="M3.5 5.5L2.5 7.5" />540                      <path d="M7 6.5V8.5" />541                      <path d="M10.5 5.5L11.5 7.5" />542                    </svg>543                  </Show>544                  {showPassword() ? "hide" : "show"}545                </button>546              </div>547              <input548                id="master-password"549                class="peach-underline-input peach-newvault-input lock-password-input"550                type={showPassword() ? "text" : "password"}551                placeholder="••••••••••••"552                autocomplete="new-password"553                value={password()}554                disabled={!props.ready}555                onInput={(event) => setPassword((event.target as HTMLInputElement).value)}556                onKeyDown={(event) => {557                  if (event.key !== "Enter" || !props.ready) return;558                  void handleCreate();559                }}560              />561              <Show562                when={password().length > 0 && passwordStrength() !== null}563                fallback={564                  <p class="peach-newvault-hint">565                    At least 12 characters.566                  </p>567                }568              >569                <div class="peach-password-strength">570                  <div class={`peach-strength-bar peach-strength-bar--${passwordStrength()}`}>571                    <div class="peach-strength-fill"></div>572                  </div>573                  <span class="peach-strength-label">{passwordStrength()}</span>574                </div>575              </Show>576            </div>577578            <div class="peach-newvault-field">579              <label class="peach-label" for="confirm-password">580                confirm password581              </label>582              <input583                id="confirm-password"584                class="peach-underline-input peach-newvault-input"585                type={showPassword() ? "text" : "password"}586                placeholder="••••••••••••"587                autocomplete="new-password"588                value={confirmPassword()}589                disabled={!props.ready}590                onInput={(event) => setConfirmPassword((event.target as HTMLInputElement).value)}591                onKeyDown={(event) => {592                  if (event.key === "Enter" && props.ready) void handleCreate();593                }}594              />595            </div>596597            <Show when={error()}>598              <p class="peach-hint peach-hint-error">{error()}</p>599            </Show>600601            <button602              class="peach-btn peach-btn--accent peach-btn--md peach-lock-submit peach-newvault-submit"603              onClick={() => void handleCreate()}604              disabled={!props.ready || loading() || !canCreate()}605              aria-live="polite"606            >607              <Show608                when={!canCreate() && createBlockerMessage()}609                fallback={loading() ? "creating..." : "create vault"}610              >611                {createBlockerMessage()}612              </Show>613            </button>614615            <p class="peach-newvault-warning">616              <span class="peach-newvault-warning-icon" aria-hidden="true">⚠</span>617              <span>Save your 12 recovery words after creating — they're the only way back in if you forget your password.</span>618            </p>619          </div>620        </section>621      </Match>622    </Switch>623  );624}625626// ── Restore surface ────────────────────────────────────────────────────────627628export type RestoreSource = "symbols" | "codex" | "csv";629630const RESTORE_SOURCES: { id: RestoreSource; name: string; detail: string }[] = [631  { id: "symbols", name: "PeachScript", detail: "Paste the rune string, or open a .peach file." },632  { id: "codex", name: "Codex", detail: "Scan printed pages, or import the PDF." },633  { id: "csv", name: "CSV", detail: "A .csv or .json file from another password manager." },634];635636function RestoreView(props: {637  hasVault: boolean;638  onOpenCodexRestore?: () => void;639  onBack: () => void;640  onUnlock: () => void | Promise<void>;641  initialSource?: RestoreSource;642}) {643  const [source, setSource] = createSignal<RestoreSource | null>(props.initialSource ?? null);644  const [showIntro, setShowIntro] = createSignal(false);645  const [pendingUnlock] = createSignal(false);646647  // The action popup dies the moment the OS file picker steals focus, so a648  // mid-restore close must resume the same source form — rewinding to the649  // picker reads as losing progress. The resume marker mirrors the picked650  // source; App clears it with the rest of the onboarding-exit state.651  function chooseSource(next: RestoreSource | null) {652    setSource(next);653    if (next) void storageSet(RESTORE_SOURCE_STORAGE_KEY, next).catch(() => {});654    else void storageRemove(RESTORE_SOURCE_STORAGE_KEY).catch(() => {});655  }656657  async function handleRestoreSuccess() {658    const seen = await storageGet("peach_shown_restore_intro").catch(() => null);659    if (!seen) {660      setShowIntro(true);661    } else {662      await props.onUnlock();663    }664  }665666  async function dismissIntro() {667    await storageSet("peach_shown_restore_intro", "true").catch(() => {});668    setShowIntro(false);669    await props.onUnlock();670  }671672  return (673    <section674      class="peach-screen peach-theme lock-screen lock-screen--vault-stage peach-newvault peach-restore"675      data-motion-phase="enter"676    >677      <RuneBackground opacity={0.05} />678679      <header class="peach-screen-header peach-newvault-header">680        <PeachWordmark class="peach-wordmark-wrap" />681        <button682          class="peach-newvault-back peach-restore-back"683          type="button"684          onClick={props.onBack}685          aria-label="Back to onboarding"686        >687          <svg width="11" height="11" viewBox="0 0 11 11" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">688            <path d="M7 2L3 5.5L7 9" />689          </svg>690          back691        </button>692      </header>693694      <div class="peach-newvault-card peach-restore-card">695        <Show696          when={source()}697          keyed698          fallback={699            <>700              <h1 class="peach-newvault-headline">{"welcome\nback."}</h1>701              <hr class="peach-newvault-divider" />702              <div class="peach-restore-sources">703                <For each={RESTORE_SOURCES}>704                  {(entry) => (705                    <button706                      type="button"707                      class="peach-onboarding-choice peach-restore-source"708                      onClick={() => chooseSource(entry.id)}709                    >710                      <span class="peach-onboarding-choice-label">{entry.name}</span>711                      <span class="peach-onboarding-choice-detail">{entry.detail}</span>712                    </button>713                  )}714                </For>715              </div>716            </>717          }718        >719          {(active) => (720            <>721              <div class="peach-restore-source-head">722                <h2 class="peach-restore-source-title">723                  {RESTORE_SOURCES.find((entry) => entry.id === active)?.name}724                </h2>725                <button726                  type="button"727                  class="peach-restore-picker-back"728                  onClick={() => chooseSource(null)}729                >730                  ‹ sources731                </button>732              </div>733              <hr class="peach-newvault-divider" />734              <Show when={active === "symbols"}>735                <RestoreSymbols hasVault={props.hasVault} onSuccess={handleRestoreSuccess} />736              </Show>737              <Show when={active === "codex"}>738                <RestoreCodex onOpen={() => props.onOpenCodexRestore?.()} />739              </Show>740              <Show when={active === "csv"}>741                <RestoreCSV hasVault={props.hasVault} onSuccess={handleRestoreSuccess} />742              </Show>743            </>744          )}745        </Show>746      </div>747748      {/* One-time intro popup after first restore */}749      <Show when={showIntro()}>750        <div class="peach-restore-intro-overlay">751          <div class="peach-restore-intro-card">752            <p class="peach-restore-intro-headline">welcome to peach.</p>753            <div class="peach-restore-intro-body">754              <p>Your vault lives only on this device. No server has a copy.</p>755              <p>The inline bubble fills passwords automatically when you visit sites.</p>756              <p>Export your vault from Settings before switching devices.</p>757            </div>758            <button759              class="peach-btn peach-btn--accent peach-btn--md peach-restore-intro-btn"760              onClick={() => void dismissIntro()}761              disabled={pendingUnlock()}762            >763              got it764            </button>765          </div>766        </div>767      </Show>768    </section>769  );770}771772// ── Peach Codex source ─────────────────────────────────────────────────────773774function RestoreCodex(props: { onOpen: () => void }) {775  return (776    <div class="peach-restore-form">777      <p class="peach-restore-codex-copy">778        Scan printed Codex pages or import the Codex PDF. Codex restore is779        always available, even before you create a vault.780      </p>781      <button782        type="button"783        class="peach-btn peach-btn--accent peach-btn--md peach-restore-submit"784        onClick={props.onOpen}785      >786        open Codex restore787      </button>788    </div>789  );790}791792// ── PeachScript source ─────────────────────────────────────────────────────793794function RestoreSymbols(props: {795  hasVault: boolean;796  onSuccess: () => void | Promise<void>;797}) {798  const [scriptInput, setScriptInput] = createSignal("");799  const [backupPass, setBackupPass] = createSignal("");800  const [working, setWorking] = createSignal(false);801  const [animating, setAnimating] = createSignal<"chaos" | "snap" | "bloom" | null>(null);802  const [error, setError] = createSignal<string | null>(null);803  let canvasRef: HTMLCanvasElement | undefined;804  let animFrameId = 0;805  let runes: { x: number; y: number; vx: number; vy: number; char: string; size: number; angle: number; va: number }[] = [];806807  const scriptValid = createMemo(() => isPeachScript(scriptInput()));808809  function stopAnim() {810    cancelAnimationFrame(animFrameId);811    animFrameId = 0;812  }813814  function startChaos(canvas: HTMLCanvasElement) {815    const ctx = canvas.getContext("2d")!;816    const W = canvas.width;817    const H = canvas.height;818    const RUNE_CHARS = Array.from({ length: 40 }, (_, i) =>819      String.fromCodePoint(0xe000 + i)820    );821    if (runes.length === 0) {822      runes = Array.from({ length: 60 }, () => ({823        x: Math.random() * W,824        y: Math.random() * H,825        vx: (Math.random() - 0.5) * 3,826        vy: (Math.random() - 0.5) * 3,827        char: RUNE_CHARS[Math.floor(Math.random() * RUNE_CHARS.length)]!,828        size: 14 + Math.random() * 20,829        angle: Math.random() * Math.PI * 2,830        va: (Math.random() - 0.5) * 0.1,831      }));832    }833834    function draw() {835      ctx.clearRect(0, 0, W, H);836      for (const r of runes) {837        r.x = (r.x + r.vx + W) % W;838        r.y = (r.y + r.vy + H) % H;839        r.angle += r.va;840        ctx.save();841        ctx.translate(r.x, r.y);842        ctx.rotate(r.angle);843        ctx.font = `${r.size}px PeachScript, monospace`;844        const alpha = 0.5 + 0.5 * Math.sin(Date.now() / 400 + r.x);845        ctx.fillStyle = `rgba(232, 149, 109, ${alpha})`;846        ctx.shadowColor = "rgba(232, 149, 109, 0.7)";847        ctx.shadowBlur = 8;848        ctx.fillText(r.char, 0, 0);849        ctx.restore();850      }851      animFrameId = requestAnimationFrame(draw);852    }853    draw();854  }855856  function snapToGrid(canvas: HTMLCanvasElement, onDone: () => void) {857    stopAnim();858    const ctx = canvas.getContext("2d")!;859    const W = canvas.width;860    const H = canvas.height;861    const cols = 8;862    const rows = 6;863    const cellW = W / cols;864    const cellH = H / rows;865    const targets = runes.slice(0, cols * rows).map((_, i) => ({866      x: (i % cols) * cellW + cellW / 2,867      y: Math.floor(i / cols) * cellH + cellH / 2,868    }));869    const start = performance.now();870    const DURATION = 400;871872    function drawSnap(now: number) {873      const t = Math.min((now - start) / DURATION, 1);874      const ease = t < 1 ? 1 - (1 - t) ** 3 : 1;875      ctx.clearRect(0, 0, W, H);876      runes.slice(0, targets.length).forEach((r, i) => {877        const tx = targets[i]!.x;878        const ty = targets[i]!.y;879        const cx = r.x + (tx - r.x) * ease;880        const cy = r.y + (ty - r.y) * ease;881        ctx.font = `16px PeachScript, monospace`;882        ctx.fillStyle = `rgba(232, 149, 109, ${0.8 * ease})`;883        ctx.shadowColor = "rgba(232, 149, 109, 0.6)";884        ctx.shadowBlur = 6;885        ctx.fillText(r.char, cx - 8, cy + 8);886      });887      if (t < 1) {888        animFrameId = requestAnimationFrame(drawSnap);889      } else {890        onDone();891      }892    }893    animFrameId = requestAnimationFrame(drawSnap);894  }895896  function bloom(canvas: HTMLCanvasElement, onDone: () => void) {897    stopAnim();898    const ctx = canvas.getContext("2d")!;899    const W = canvas.width;900    const H = canvas.height;901    const start = performance.now();902    const DURATION = 900;903904    function drawBloom(now: number) {905      const t = Math.min((now - start) / DURATION, 1);906      ctx.clearRect(0, 0, W, H);907      // Runes dissolve908      const runeAlpha = 1 - Math.min(t / 0.4, 1);909      if (runeAlpha > 0) {910        for (const r of runes.slice(0, 48)) {911          ctx.font = `16px PeachScript, monospace`;912          ctx.fillStyle = `rgba(232, 149, 109, ${runeAlpha * 0.8})`;913          ctx.fillText(r.char, r.x - 8, r.y + 8);914        }915      }916      // Peach mark bloom917      const markT = Math.max(0, (t - 0.2) / 0.5);918      const markScale = Math.min(markT * 1.2, 1);919      const markAlpha = markT < 0.5 ? markT * 2 : 2 - markT * 2;920      if (markAlpha > 0) {921        ctx.save();922        ctx.globalAlpha = markAlpha;923        ctx.shadowColor = `rgba(217, 104, 48, ${markAlpha * 0.8})`;924        ctx.shadowBlur = 30;925        ctx.translate(W / 2, H / 2);926        ctx.scale(markScale, markScale);927        ctx.drawImage(peachMarkImg, -32, -32, 64, 64);928        ctx.restore();929      }930      if (t < 1) {931        animFrameId = requestAnimationFrame(drawBloom);932      } else {933        onDone();934      }935    }936    animFrameId = requestAnimationFrame(drawBloom);937  }938939  onCleanup(() => stopAnim());940941  // The action popup dies when the OS file picker steals focus, so dropping942  // the file is the import path that survives it. (The picker button stays943  // for contexts that can host the dialog; a close there resumes this form.)944  const [dragDepth, setDragDepth] = createSignal(0);945946  async function handleDrop(e: DragEvent) {947    e.preventDefault();948    setDragDepth(0);949    if (working() || animating() !== null) return;950    const file = e.dataTransfer?.files?.[0];951    if (!file) return;952    try {953      setScriptInput(await file.text());954      setError(null);955    } catch {956      setError("Couldn't read file.");957    }958  }959960  async function handleRestore() {961    if (!scriptValid() || !backupPass().trim() || working()) return;962    setError(null);963    setWorking(true);964    setAnimating("chaos");965966    const canvas = canvasRef;967    if (canvas) startChaos(canvas);968969    try {970      const bytes = decodePeachScript(normalisePeachScript(scriptInput()));971      const payload = await parsePayload(bytes, backupPass());972973      if (!props.hasVault) {974        const cr = await sendMessage({ type: "CREATE_VAULT", payload: { password: backupPass() } });975        if (!(cr as { ok: boolean }).ok) throw new Error("CREATE_VAULT_FAILED");976      }977978      const rr = await sendMessage({979        type: "RESTORE_ENTRIES",980        payload: { entries: payload.entries, mode: "merge", settings: payload.settings },981      });982      if (!(rr as { ok: boolean }).ok) throw new Error((rr as { error?: string }).error ?? "RESTORE_FAILED");983984      if (payload.license?.key) {985        await sendMessage({ type: "ACTIVATE_LICENSE", payload: { key: payload.license.key } }).catch(() => {});986      }987988      setAnimating("snap");989      stopAnim();990      if (canvas) {991        snapToGrid(canvas, () => {992          setAnimating("bloom");993          bloom(canvas, async () => {994            setAnimating(null);995            await props.onSuccess();996          });997        });998      } else {999        await props.onSuccess();1000      }1001    } catch (err) {1002      stopAnim();1003      setAnimating(null);1004      const code = err instanceof Error ? err.message : String(err);1005      setError(1006        code === "INVALID_PASSPHRASE" || code === "INVALID_EXPORT_PASSWORD"1007          ? "That passphrase didn't work."1008          : code === "CREATE_VAULT_FAILED"1009            ? "Couldn't create a new local vault."1010            : "Could not read this backup.",1011      );1012    } finally {1013      setWorking(false);1014    }1015  }10161017  return (1018    <div1019      class="peach-restore-form"1020      classList={{ "is-dragover": dragDepth() > 0 }}1021      onDragEnter={(e) => { e.preventDefault(); setDragDepth((d) => d + 1); }}1022      onDragOver={(e) => e.preventDefault()}1023      onDragLeave={() => setDragDepth((d) => Math.max(0, d - 1))}1024      onDrop={(e) => void handleDrop(e)}1025    >1026      <Show when={animating() !== null}>1027        <canvas1028          ref={(el) => { canvasRef = el; }}1029          class="peach-restore-anim-canvas"1030          width={280}1031          height={200}1032        />1033      </Show>1034      <Show when={animating() === null}>1035        <textarea1036          class="peach-restore-script"1037          placeholder="paste peachscript…"1038          rows={3}1039          aria-label="Paste your PeachScript backup"1040          value={scriptInput()}1041          onInput={(e) => setScriptInput((e.target as HTMLTextAreaElement).value)}1042        />1043        <div class="peach-restore-or" aria-hidden="true">or</div>1044        <label class="peach-btn peach-btn--ghost peach-btn--sm peach-restore-file-btn">1045          open .peach file1046          <input1047            type="file"1048            accept=".peach,text/plain"1049            style="display:none"1050            onChange={async (e) => {1051              const file = (e.currentTarget as HTMLInputElement).files?.[0];1052              if (!file) return;1053              try {1054                setScriptInput(await file.text());1055              } catch {1056                setError("Couldn't read file.");1057              } finally {1058                (e.currentTarget as HTMLInputElement).value = "";1059              }1060            }}1061          />1062        </label>1063        <p class="peach-restore-drop-hint">or drop the file anywhere here</p>1064        <div class="peach-newvault-field">1065          <label class="peach-label" for="restore-backup-pass">1066            backup password1067          </label>1068          <input1069            id="restore-backup-pass"1070            class="peach-underline-input peach-newvault-input"1071            type="password"1072            placeholder="••••••••••••"1073            autocomplete="current-password"1074            value={backupPass()}1075            onInput={(e) => setBackupPass((e.target as HTMLInputElement).value)}1076            onKeyDown={(e) => {1077              if (e.key === "Enter" && scriptValid() && backupPass().trim() && !working()) {1078                e.preventDefault();1079                void handleRestore();1080              }1081            }}1082          />1083        </div>1084        <button1085          class="peach-btn peach-btn--accent peach-btn--md peach-restore-submit"1086          onClick={() => void handleRestore()}1087          disabled={!scriptValid() || !backupPass().trim() || working()}1088        >1089          restore vault1090        </button>1091        <Show when={error()}>1092          <p class="peach-hint peach-hint-error">{error()}</p>1093        </Show>1094      </Show>1095    </div>1096  );1097}10981099// ── CSV source ─────────────────────────────────────────────────────────────11001101function RestoreCSV(props: {1102  hasVault: boolean;1103  onSuccess: () => void | Promise<void>;1104}) {1105  const [importing, setImporting] = createSignal(false);1106  const [error, setError] = createSignal<string | null>(null);1107  // CSV/JSON imports are plaintext and carry no password, so when there is no1108  // vault yet the user MUST choose a master password here — otherwise the1109  // imported credentials would be encrypted under an empty key and offer zero1110  // at-rest protection (audit HIGH). Mirrors the onboarding MIN_LENGTH policy.1111  const CSV_MIN_PASSWORD_LENGTH = 12;1112  const [newPass, setNewPass] = createSignal("");1113  const [confirmPass, setConfirmPass] = createSignal("");1114  const needsPassword = () => props.hasVault === false;1115  const passwordReady = () =>1116    !needsPassword() ||1117    (newPass().length >= CSV_MIN_PASSWORD_LENGTH && newPass() === confirmPass());1118  // The action popup dies when the OS file picker steals focus — dropping the1119  // file is the import path that survives it (see RestoreSymbols).1120  const [dragDepth, setDragDepth] = createSignal(0);11211122  // Every route here (label click, drop, the disabled-attribute-guarded1123  // input change) passes gatePassword first, so the file is always accepted1124  // under a real master password — never an empty key.1125  async function processFile(file: File) {1126    setImporting(true);1127    setError(null);1128    try {1129      const text = await file.text();1130      const parsed = await parseImportSource(text);1131      if (parsed.entries.length === 0) throw new Error("NO_ENTRIES");11321133      if (props.hasVault === false) {1134        // Create the vault under the user-chosen master password — never an1135        // empty one (an empty key derives a publicly-known vault key).1136        const cr = await sendMessage({ type: "CREATE_VAULT", payload: { password: newPass() } });1137        if (!(cr as { ok: boolean }).ok) throw new Error("CREATE_VAULT_FAILED");1138      }11391140      const res = await sendMessage({ type: "BATCH_ADD_ENTRIES", payload: { entries: parsed.entries } });1141      if (!(res as { ok: boolean }).ok) throw new Error("IMPORT_FAILED");1142      if (parsed.licenseKey) {1143        await sendMessage({ type: "ACTIVATE_LICENSE", payload: { key: parsed.licenseKey } }).catch(() => {});1144      }1145      await props.onSuccess();1146    } catch (err) {1147      const code = err instanceof Error ? err.message : String(err);1148      setError(1149        code === "NO_ENTRIES" ? "No entries found in this file." :1150        code === "CREATE_VAULT_FAILED" ? "Couldn't create a new local vault." :1151        "Import failed. Check the file format and try again."1152      );1153    } finally {1154      setImporting(false);1155    }1156  }11571158  let csvFileRef: HTMLInputElement | undefined;11591160  function gatePassword(): boolean {1161    if (importing()) return false;1162    if (needsPassword() && newPass().length < CSV_MIN_PASSWORD_LENGTH) {1163      setError(`Set a master password of at least ${CSV_MIN_PASSWORD_LENGTH} characters first.`);1164      return false;1165    }1166    if (needsPassword() && newPass() !== confirmPass()) {1167      setError("Passwords do not match.");1168      return false;1169    }1170    return true;1171  }11721173  async function handleFile(e: Event) {1174    const input = e.currentTarget as HTMLInputElement;1175    const file = input.files?.[0];1176    input.value = "";1177    if (!file) return;1178    await processFile(file);1179  }11801181  async function handleDrop(e: DragEvent) {1182    e.preventDefault();1183    setDragDepth(0);1184    if (!gatePassword()) return;1185    const file = e.dataTransfer?.files?.[0];1186    if (!file) return;1187    await processFile(file);1188  }11891190  return (1191    <div1192      class="peach-restore-form"1193      classList={{ "is-dragover": dragDepth() > 0 }}1194      onDragEnter={(e) => { e.preventDefault(); setDragDepth((d) => d + 1); }}1195      onDragOver={(e) => e.preventDefault()}1196      onDragLeave={() => setDragDepth((d) => Math.max(0, d - 1))}1197      onDrop={(e) => void handleDrop(e)}1198    >1199      <Show when={needsPassword()}>1200        <div class="peach-newvault-field">1201          <label class="peach-label" for="restore-csv-pass">1202            new master password1203          </label>1204          <input1205            id="restore-csv-pass"1206            class="peach-underline-input peach-newvault-input"1207            type="password"1208            placeholder="••••••••••••"1209            autocomplete="new-password"1210            value={newPass()}1211            onInput={(e) => setNewPass((e.target as HTMLInputElement).value)}1212          />1213        </div>1214        <div class="peach-newvault-field">1215          <label class="peach-label" for="restore-csv-confirm">1216            confirm master password1217          </label>1218          <input1219            id="restore-csv-confirm"1220            class="peach-underline-input peach-newvault-input"1221            type="password"1222            placeholder="••••••••••••"1223            autocomplete="new-password"1224            value={confirmPass()}1225            onInput={(e) => setConfirmPass((e.target as HTMLInputElement).value)}1226          />1227        </div>1228      </Show>1229      <label1230        class="peach-btn peach-btn--accent peach-btn--md peach-restore-file-btn"1231        onClick={(e) => {1232          // The label would forward the click to the input even before the1233          // password gate passes; own the activation so the gate can speak.1234          e.preventDefault();1235          if (!gatePassword()) return;1236          csvFileRef?.click();1237        }}1238      >1239        {importing() ? "importing…" : "open csv file"}1240        <input1241          ref={(el) => { csvFileRef = el; }}1242          type="file"1243          accept=".csv,.json,.peach,application/x-peach"1244          style="display:none"1245          onChange={handleFile}1246          disabled={importing() || !passwordReady()}1247        />1248      </label>1249      <p class="peach-restore-drop-hint">or drop the file anywhere here</p>1250      <p class="peach-hint peach-restore-csv-sources">1251        Imports from Bitwarden, 1Password, Proton Pass,1252        <br />1253        Chrome, Safari, and Edge.1254      </p>1255      <p class="peach-newvault-warning">1256        <span class="peach-newvault-warning-icon" aria-hidden="true">⚠</span>1257        <span>Plain-text file — delete it after the import.</span>1258      </p>1259      <Show when={error()}>1260        <p class="peach-hint peach-hint-error">{error()}</p>1261      </Show>1262    </div>1263  );1264}12651266// ── Helpers ────────────────────────────────────────────────────────────────12671268function getDisplayError(error: string | undefined, fallback: string): string {1269  if (!error) return fallback;1270  if (1271    error === "SERVICE_WORKER_UNAVAILABLE" ||1272    error.includes("Receiving end does not exist") ||1273    error.includes("message port closed")1274  ) {1275    return "background service unavailable";1276  }1277  return error;1278}