Lock.tsx

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1import { For, Match, Show, Switch, createMemo, createSignal, onCleanup, onMount } from "solid-js";2import { sendMessage } from "../App";3import { LockRuneCanvas } from "../components/LockRuneCanvas";4import { PeachMark, PeachWordmark } from "../components/PeachMark";5import { RecoveryWordEntryView } from "./RecoveryWordEntry";6import { RecoveryWordDisplayView } from "./RecoveryWordDisplay";7import { RuneBackground } from "../components/RuneBackground";8import { storageGet, storageSet } from "../../shared/storage";9import { isPeachScript, decodePeachScript, normalisePeachScript } from "../../crypto/peachScript";10import { parsePayload } from "../../crypto/peachPayload";11import { parseImportSource } from "../../shared/import";12import { isNativePlatform, nativePlugin } from "../../shared/native";1314const peachMarkImg = new Image();15peachMarkImg.src = `data:image/svg+xml,${encodeURIComponent(16  '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 240 240" fill="none">' +17  '<path d="M 124 64 C 134 32 168 16 200 22 C 198 56 168 72 130 66 Z" fill="#92AC65"/>' +18  '<path d="M 130 64 C 152 46 178 30 196 24" stroke="#5E7A42" stroke-width="2.6" fill="none" stroke-linecap="round"/>' +19  '<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"/>' +20  '<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"/>' +21  '<ellipse cx="178" cy="108" rx="20" ry="11" fill="#FFD0A8" opacity="0.7" transform="rotate(-26 178 108)"/>' +22  '</svg>'23)}`;2425// Lazy-load @zxcvbn-ts — heavy (dictionaries ~700 kB) and only needed during26// vault creation. Replaces the unmaintained [email protected] (LV-8); result.score27// keeps the same 0-4 scale so downstream UI is unchanged.28let _zxcvbn: ((password: string) => { score: number }) | null = null;29async function getZxcvbn() {30  if (_zxcvbn) return _zxcvbn;31  const [{ zxcvbn, zxcvbnOptions }, common, en] = await Promise.all([32    import("@zxcvbn-ts/core"),33    import("@zxcvbn-ts/language-common"),34    import("@zxcvbn-ts/language-en"),35  ]);36  zxcvbnOptions.setOptions({37    translations: en.translations,38    graphs: common.adjacencyGraphs,39    dictionary: { ...common.dictionary, ...en.dictionary },40  });41  _zxcvbn = (password: string) => zxcvbn(password);42  return _zxcvbn;43}4445interface LockProps {46  hasVault: boolean;47  ready: boolean;48  isPro?: boolean;49  /** When true, render the recovery-words display directly instead of the50   *  unlock UI. Used after a popup close+reopen during the create-vault51   *  recovery confirmation flow (peach_recovery_pending flag). */52  forceRecoveryWords?: boolean;53  onUnlock: () => void | Promise<void>;54  /** Optional escape hatch: rewind from the create-vault screen back to55   *  Onboarding. Only meaningful when the user reached create-vault from56   *  Onboarding in the first place. */57  onBackToOnboarding?: () => void;58  /** Optional: open the Peach Codex restore flow (camera scan of printed59   *  Codex pages). Surfaced as a small footer link on the new-vault screen. */60  onOpenCodexRestore?: () => void;61  /** Open directly on backup restore when onboarding routed the user there. */62  initialRestore?: boolean;63}6465type RestoreSurface = "restore" | null;66type RecoverSurface = "words" | "new-password" | null;6768export function LockView(props: LockProps) {69  const [password, setPassword] = createSignal("");70  const [confirmPassword, setConfirmPassword] = createSignal("");71  const [error, setError] = createSignal("");72  const [loading, setLoading] = createSignal(false);73  const [restoreSurface, setRestoreSurface] = createSignal<RestoreSurface>(74    props.initialRestore ? "restore" : null,75  );76  const [showPassword, setShowPassword] = createSignal(false);77  const [recoverSurface, setRecoverSurface] = createSignal<RecoverSurface>(null);78  // After vault creation succeeds, set this to show the recovery words screen.79  // Only meaningful when hasVault === false.80  const [showRecoveryWords, setShowRecoveryWords] = createSignal(props.forceRecoveryWords ?? false);8182  const MIN_LENGTH = 12;83  const MIN_ZXCVBN_SCORE = 2;8485  const [strengthScore, setStrengthScore] = createSignal<number | null>(null);86  const [biometricAvailable, setBiometricAvailable] = createSignal(false);87  const [biometricBusy, setBiometricBusy] = createSignal(false);8889  const canCreate = createMemo(90    () =>91      password().length >= MIN_LENGTH &&92      confirmPassword().length >= MIN_LENGTH &&93      password() === confirmPassword() &&94      strengthScore() !== null &&95      strengthScore()! >= MIN_ZXCVBN_SCORE96  );9798  const passwordStrength = createMemo(() => {99    const score = strengthScore();100    if (score === null) return null;101    if (score <= 1) return "weak";102    if (score === 2) return "fair";103    if (score === 3) return "good";104    return "strong";105  });106107  const createBlockerMessage = createMemo(() => {108    if (!password()) return null;109    if (password().length < MIN_LENGTH) return `need ${MIN_LENGTH - password().length} more characters`;110    if (!confirmPassword()) return "confirm your password";111    if (password() !== confirmPassword()) return "passwords don't match";112    if (strengthScore() === null) return "checking strength…";113    if (strengthScore()! < MIN_ZXCVBN_SCORE) return "password too weak — use a longer passphrase";114    return null;115  });116117  // Update strength asynchronously when password changes118  createMemo(() => {119    const value = password();120    if (!value) { setStrengthScore(null); return; }121    getZxcvbn().then((zxcvbn) => {122      if (password() === value) setStrengthScore(zxcvbn(value).score);123    }).catch(() => {124      // zxcvbn unavailable — fall back to length-only heuristic125      if (password() === value) setStrengthScore(value.length >= 16 ? 3 : value.length >= 12 ? 2 : 1);126    });127  });128129  async function handleUnlock() {130    if (!password().trim()) return;131    setLoading(true);132    setError("");133    const response = await sendMessage({134      type: "UNLOCK",135      payload: { password: password() },136    });137    const result = response as { ok: boolean; error?: string };138    if (result.ok) {139      await props.onUnlock();140      setLoading(false);141      return;142    }143    setError(getDisplayError(result.error, "incorrect password"));144    setPassword("");145    const passwordField = document.querySelector(".lock-password-input") as HTMLInputElement | undefined;146    passwordField?.classList.add("shake");147    setTimeout(() => passwordField?.classList.remove("shake"), 300);148    setLoading(false);149  }150151  async function checkBiometricAvailable(): Promise<void> {152    if (!props.hasVault || !isNativePlatform()) return;153    const keystore = nativePlugin<{ hasMasterKey: () => Promise<{ exists: boolean }> }>("KeystorePlugin");154    const biometric = nativePlugin<{ isAvailable: () => Promise<{ available: boolean }> }>("BiometricPlugin");155    if (!keystore || !biometric) return;156    try {157      const stored = await keystore.hasMasterKey();158      if (!stored.exists) return;159      const avail = await biometric.isAvailable();160      if (!avail.available) return;161      setBiometricAvailable(true);162      window.setTimeout(() => { void handleBiometricUnlock(); }, 400);163    } catch { /* missing plugins or runtime error — silently skip */ }164  }165166  async function handleBiometricUnlock(): Promise<void> {167    if (biometricBusy()) return;168    const biometric = nativePlugin<{ authenticate: (opts: Record<string, string>) => Promise<void> }>("BiometricPlugin");169    const keystore = nativePlugin<{ retrieveMasterKey: () => Promise<{ masterKeyHex: string }> }>("KeystorePlugin");170    if (!biometric || !keystore) return;171    setBiometricBusy(true);172    setError("");173    try {174      await biometric.authenticate({175        title: "Unlock Peach",176        subtitle: "Use biometrics to access your vault",177        negativeButtonText: "Use Password",178      });179      const { masterKeyHex } = await keystore.retrieveMasterKey();180      const res = (await sendMessage({181        type: "UNLOCK_WITH_KEY",182        payload: { masterKeyHex },183      })) as { ok: boolean; error?: string };184      if (res.ok) {185        await props.onUnlock();186        return;187      }188      if (res.error === "biometric_key_invalidated") {189        await sendMessage({190          type: "UPDATE_SETTINGS",191          payload: { biometricsEnabled: false },192        });193        setBiometricAvailable(false);194        setError("biometric key expired — re-enable in settings");195      } else {196        setError("biometric unlock failed");197      }198    } catch (e) {199      const reason = e instanceof Error ? e.message : String(e);200      if (reason.includes("user_cancelled")) return;201      if (reason.includes("biometric_key_invalidated")) {202        await sendMessage({203          type: "UPDATE_SETTINGS",204          payload: { biometricsEnabled: false },205        });206        setBiometricAvailable(false);207        setError("biometric key expired — re-enable in settings");208        return;209      }210      if (reason.includes("biometric_lockout")) {211        setError("biometric locked out — use your password");212      }213    } finally {214      setBiometricBusy(false);215    }216  }217218  onMount(() => { void checkBiometricAvailable(); });219220  async function handleCreate() {221    if (!password().trim()) return;222    if (password().length < MIN_LENGTH) {223      setError(`password must be at least ${MIN_LENGTH} characters`);224      return;225    }226    if (password() !== confirmPassword()) {227      setError("passwords do not match");228      return;229    }230    const score = strengthScore();231    if (score === null || score < MIN_ZXCVBN_SCORE) {232      setError("password is too weak — use a longer passphrase");233      return;234    }235    setLoading(true);236    setError("");237    const response = await sendMessage({238      type: "CREATE_VAULT",239      payload: { password: password() },240    });241    const result = response as { ok: boolean; error?: string };242    if (result.ok) {243      // Don't unlock yet — show the recovery words screen first. Mark the244      // confirmation as pending in chrome.storage.local so it survives both245      // popup close (lock-on-close skips while set) and full browser restart246      // (next unlock re-routes to the recovery surface). Cleared when the247      // user types the 3 confirmation words successfully.248      try {249        await chrome.storage.local?.set({ peach_recovery_pending: "1" });250      } catch { /* best-effort */ }251      setShowRecoveryWords(true);252      setLoading(false);253      return;254    }255    setError(getDisplayError(result.error, "failed to create vault"));256    setLoading(false);257  }258259  // ── All surfaces routed reactively via Switch/Match ───────────────────260  return (261    <Switch>262      {/* ── Restore tab view ──────────────────────────────────────── */}263      <Match when={restoreSurface() === "restore"}>264        <RestoreTabView265          hasVault={props.hasVault}266          onOpenCodexRestore={props.onOpenCodexRestore}267          onBack={() => setRestoreSurface(null)}268          onUnlock={async () => {269            setRestoreSurface(null);270            await props.onUnlock();271          }}272        />273      </Match>274275      {/* ── Recovery words display after fresh vault creation ────────── */}276      <Match when={showRecoveryWords() && (!props.hasVault || props.forceRecoveryWords)}>277        <RecoveryWordDisplayView278          onDone={props.onUnlock}279        />280      </Match>281282      {/* ── Recovery word entry ─────────────────────────────────────── */}283      <Match when={recoverSurface() === "words"}>284        <RecoveryWordEntryView285          onCancel={() => setRecoverSurface(null)}286          onRecoveryComplete={props.onUnlock}287        />288      </Match>289290      {/* ── Unlock (hasVault = true) ───────────────────────────────── */}291      <Match when={props.hasVault}>292        <section class="peach-screen peach-theme lock-screen lock-screen--vault-stage" data-motion-phase="enter">293          <header class="peach-screen-header lock-screen-header">294            <div class="peach-wordmark-stack">295              <PeachWordmark class="peach-wordmark-wrap" />296              <Show when={props.isPro}>297                <span class="peach-pro-mini-badge">pro</span>298              </Show>299            </div>300          </header>301302          <div class="peach-lock-hero peach-lock-hero--unlock">303            <div class="peach-lock-hero-art" aria-hidden="true">304              <PeachMark class="peach-lock-hero-mark" />305            </div>306            <span class="peach-lock-eyebrow">vault locked</span>307            <h1 class="peach-onboarding-headline peach-lock-headline--unlock">308              unlock309              <br />310              your vault.311            </h1>312          </div>313314          <LockRuneCanvas />315316          <section class="peach-lock-panel peach-lock-panel--unlock peach-glass">317            <label class="peach-label" for="unlock-password">318              master password319            </label>320            <input321              id="unlock-password"322              class="peach-underline-input peach-unlock-input lock-password-input"323              type="password"324              placeholder="••••••••••••"325              autocomplete="current-password"326              value={password()}327              disabled={!props.ready}328              ref={(el) => { if (props.ready) setTimeout(() => el.focus(), 80); }}329              onInput={(event) => setPassword((event.target as HTMLInputElement).value)}330              onKeyDown={(event) => {331                if (event.key !== "Enter" || !props.ready) return;332                void handleUnlock();333              }}334            />335336            <Show when={error()}>337              <p class="peach-hint peach-hint-error">{error()}</p>338            </Show>339340            <button341              class="peach-btn peach-btn--accent peach-btn--md peach-lock-submit"342              onClick={() => void handleUnlock()}343              disabled={!props.ready || loading()}344            >345              {loading() ? "unlocking..." : "unlock"}346            </button>347348            <Show when={biometricAvailable()}>349              <button350                class="peach-biometric-btn"351                type="button"352                onClick={() => void handleBiometricUnlock()}353                disabled={biometricBusy() || loading()}354                aria-label="Unlock with biometrics"355              >356                <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">357                  <path d="M12 11c-1.7 0-3 1.3-3 3v3"/>358                  <path d="M15 17v-3"/>359                  <path d="M9 4.5C9.7 4.2 10.8 4 12 4s2.3.2 3 .5"/>360                  <path d="M5 9c.7-1.6 2-2.9 3.6-3.6"/>361                  <path d="M19 9c-.7-1.6-2-2.9-3.6-3.6"/>362                  <path d="M5 15c0-1.7.3-3.3.8-4.7"/>363                  <path d="M19 15c0-1.7-.3-3.3-.8-4.7"/>364                </svg>365                {biometricBusy() ? "verifying…" : "use biometrics"}366              </button>367            </Show>368369            <button370              class="peach-lock-recover-link"371              type="button"372              onClick={() => setRecoverSurface("words")}373            >374              forgot your password?375            </button>376          </section>377        </section>378      </Match>379380      {/* ── Onboarding (hasVault = false) ─────────────────────────── */}381      <Match when={true}>382        <section383          class="peach-screen peach-theme lock-screen lock-screen--vault-stage peach-newvault"384          data-motion-phase="enter"385        >386          <header class="peach-screen-header peach-newvault-header">387            <Show when={props.onBackToOnboarding}>388              <button389                class="peach-newvault-back"390                type="button"391                onClick={() => props.onBackToOnboarding?.()}392                aria-label="Back to onboarding"393              >394                <svg width="11" height="11" viewBox="0 0 11 11" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round">395                  <path d="M7 2L3 5.5L7 9" />396                </svg>397                back398              </button>399            </Show>400            <div class="peach-wordmark-stack">401              <PeachWordmark class="peach-wordmark-wrap" />402              <Show when={props.isPro}>403                <span class="peach-pro-mini-badge">pro</span>404              </Show>405            </div>406          </header>407408          <div class="peach-newvault-mark" aria-hidden="true">409            <PeachMark class="peach-newvault-mark-art" />410          </div>411412          <div class="peach-newvault-card">413            <h1 class="peach-newvault-headline">{"keep your\nsecrets."}</h1>414            <hr class="peach-newvault-divider" />415416            <div class="peach-newvault-field">417              <div class="peach-newvault-label-row">418                <label class="peach-label" for="master-password">419                  master password420                </label>421                <button422                  class="peach-lock-reveal-btn"423                  type="button"424                  onClick={() => setShowPassword((value) => !value)}425                  aria-label={showPassword() ? "Hide password" : "Show password"}426                >427                  <Show428                    when={showPassword()}429                    fallback={430                      <svg width="15" height="10" viewBox="0 0 14 10" fill="none" stroke="currentColor" stroke-width="0.9" stroke-linecap="round">431                        <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" />432                        <circle cx="7" cy="5" r="1.75" />433                      </svg>434                    }435                  >436                    <svg width="15" height="10" viewBox="0 0 14 10" fill="none" stroke="currentColor" stroke-width="0.9" stroke-linecap="round">437                      <path d="M1 2C3 4.5 5 6 7 6C9 6 11 4.5 13 2" />438                      <path d="M3.5 5.5L2.5 7.5" />439                      <path d="M7 6.5V8.5" />440                      <path d="M10.5 5.5L11.5 7.5" />441                    </svg>442                  </Show>443                  {showPassword() ? "hide" : "show"}444                </button>445              </div>446              <input447                id="master-password"448                class="peach-underline-input peach-newvault-input lock-password-input"449                type={showPassword() ? "text" : "password"}450                placeholder="••••••••••••"451                autocomplete="new-password"452                value={password()}453                disabled={!props.ready}454                onInput={(event) => setPassword((event.target as HTMLInputElement).value)}455                onKeyDown={(event) => {456                  if (event.key !== "Enter" || !props.ready) return;457                  void handleCreate();458                }}459              />460              <Show461                when={password().length > 0 && passwordStrength() !== null}462                fallback={463                  <p class="peach-newvault-hint">464                    At least 12 characters. The vault is created once both fields match and pass the strength check.465                  </p>466                }467              >468                <div class="peach-password-strength">469                  <div class={`peach-strength-bar peach-strength-bar--${passwordStrength()}`}>470                    <div class="peach-strength-fill"></div>471                  </div>472                  <span class="peach-strength-label">{passwordStrength()}</span>473                </div>474              </Show>475            </div>476477            <div class="peach-newvault-field">478              <label class="peach-label" for="confirm-password">479                confirm password480              </label>481              <input482                id="confirm-password"483                class="peach-underline-input peach-newvault-input"484                type={showPassword() ? "text" : "password"}485                placeholder="••••••••••••"486                autocomplete="new-password"487                value={confirmPassword()}488                disabled={!props.ready}489                onInput={(event) => setConfirmPassword((event.target as HTMLInputElement).value)}490                onKeyDown={(event) => {491                  if (event.key === "Enter" && props.ready) void handleCreate();492                }}493              />494            </div>495496            <Show when={error()}>497              <p class="peach-hint peach-hint-error">{error()}</p>498            </Show>499500            <button501              class="peach-btn peach-btn--accent peach-btn--md peach-lock-submit peach-newvault-submit"502              onClick={() => void handleCreate()}503              disabled={!props.ready || loading() || !canCreate()}504              aria-live="polite"505            >506              <Show507                when={!canCreate() && createBlockerMessage()}508                fallback={loading() ? "creating..." : "create vault"}509              >510                {createBlockerMessage()}511              </Show>512            </button>513514            <p class="peach-newvault-warning">515              <span class="peach-newvault-warning-icon" aria-hidden="true">⚠</span>516              <span>Save your 12 recovery words after creating — they're the only way back in if you forget your password.</span>517            </p>518          </div>519        </section>520      </Match>521    </Switch>522  );523}524525// ── Restore tab view ───────────────────────────────────────────────────────526527type RestoreTab = "symbols" | "codex" | "csv";528529function tabLabel(tab: RestoreTab): string {530  return (531    { symbols: "PeachScript", codex: "Codex", csv: "CSV" }[tab]532  );533}534535function RestoreTabView(props: {536  hasVault: boolean;537  onOpenCodexRestore?: () => void;538  onBack: () => void;539  onUnlock: () => void | Promise<void>;540}) {541  const [activeTab, setActiveTab] = createSignal<RestoreTab>("symbols");542  const [showIntro, setShowIntro] = createSignal(false);543  const [pendingUnlock] = createSignal(false);544545  async function handleRestoreSuccess() {546    const seen = await storageGet("peach_shown_restore_intro").catch(() => null);547    if (!seen) {548      setShowIntro(true);549    } else {550      await props.onUnlock();551    }552  }553554  async function dismissIntro() {555    await storageSet("peach_shown_restore_intro", "true").catch(() => {});556    setShowIntro(false);557    await props.onUnlock();558  }559560  return (561    <section562      class="peach-screen peach-theme lock-screen lock-screen--vault-stage peach-restore-tabview"563      data-motion-phase="enter"564    >565      <RuneBackground opacity={0.05} />566567      <header class="peach-screen-header lock-screen-header">568        <PeachWordmark class="peach-wordmark-wrap" />569        <button class="peach-lock-restore-link" onClick={props.onBack}>570          ‹ back571        </button>572      </header>573574      <div class="peach-newvault-card peach-restore-tabcard">575        <div class="peach-restore-tabs" role="tablist">576          <For each={["symbols", "codex", "csv"] as RestoreTab[]}>577            {(tab) => (578              <button579                class="peach-restore-tab"580                classList={{ "is-active": activeTab() === tab }}581                onClick={() => setActiveTab(tab)}582                role="tab"583                aria-selected={activeTab() === tab}584              >585                {tabLabel(tab)}586              </button>587            )}588          </For>589        </div>590        <div class="peach-restore-content">591          <Show when={activeTab() === "symbols"}>592            <RestoreSymbols hasVault={props.hasVault} onSuccess={handleRestoreSuccess} />593          </Show>594          <Show when={activeTab() === "codex"}>595            <RestoreCodex onOpen={() => props.onOpenCodexRestore?.()} />596          </Show>597          <Show when={activeTab() === "csv"}>598            <RestoreCSV hasVault={props.hasVault} onSuccess={handleRestoreSuccess} />599          </Show>600        </div>601      </div>602603      {/* One-time intro popup after first restore */}604      <Show when={showIntro()}>605        <div class="peach-restore-intro-overlay">606          <div class="peach-restore-intro-card">607            <p class="peach-restore-intro-headline">welcome to peach.</p>608            <div class="peach-restore-intro-body">609              <p>Your vault lives only on this device. No server has a copy.</p>610              <p>The inline bubble fills passwords automatically when you visit sites.</p>611              <p>Export your vault from Settings before switching devices.</p>612            </div>613            <button614              class="peach-btn peach-btn--accent peach-btn--md peach-restore-intro-btn"615              onClick={() => void dismissIntro()}616              disabled={pendingUnlock()}617            >618              got it619            </button>620          </div>621        </div>622      </Show>623    </section>624  );625}626627// ── Peach Codex tab ────────────────────────────────────────────────────────628629function RestoreCodex(props: { onOpen: () => void }) {630  return (631    <div class="peach-restore-codex">632      <p class="peach-restore-codex-title">Restore from Peach Codex</p>633      <p class="peach-restore-codex-copy">634        Scan printed Codex pages or import the Codex PDF. Codex restore is635        always available, even before you create a vault.636      </p>637      <button638        type="button"639        class="peach-btn peach-btn--accent peach-btn--md peach-restore-codex-button"640        onClick={props.onOpen}641      >642        open Codex restore →643      </button>644    </div>645  );646}647648// ── PeachScript tab ────────────────────────────────────────────────────────649650function RestoreSymbols(props: { hasVault: boolean; onSuccess: () => void | Promise<void> }) {651  const [scriptInput, setScriptInput] = createSignal("");652  const [backupPass, setBackupPass] = createSignal("");653  const [working, setWorking] = createSignal(false);654  const [animating, setAnimating] = createSignal<"chaos" | "snap" | "bloom" | null>(null);655  const [error, setError] = createSignal<string | null>(null);656  let canvasRef: HTMLCanvasElement | undefined;657  let animFrameId = 0;658  let runes: { x: number; y: number; vx: number; vy: number; char: string; size: number; angle: number; va: number }[] = [];659660  const scriptValid = createMemo(() => isPeachScript(scriptInput()));661662  function stopAnim() {663    cancelAnimationFrame(animFrameId);664    animFrameId = 0;665  }666667  function startChaos(canvas: HTMLCanvasElement) {668    const ctx = canvas.getContext("2d")!;669    const W = canvas.width;670    const H = canvas.height;671    const RUNE_CHARS = Array.from({ length: 40 }, (_, i) =>672      String.fromCodePoint(0xe000 + i)673    );674    if (runes.length === 0) {675      runes = Array.from({ length: 60 }, () => ({676        x: Math.random() * W,677        y: Math.random() * H,678        vx: (Math.random() - 0.5) * 3,679        vy: (Math.random() - 0.5) * 3,680        char: RUNE_CHARS[Math.floor(Math.random() * RUNE_CHARS.length)]!,681        size: 14 + Math.random() * 20,682        angle: Math.random() * Math.PI * 2,683        va: (Math.random() - 0.5) * 0.1,684      }));685    }686687    function draw() {688      ctx.clearRect(0, 0, W, H);689      for (const r of runes) {690        r.x = (r.x + r.vx + W) % W;691        r.y = (r.y + r.vy + H) % H;692        r.angle += r.va;693        ctx.save();694        ctx.translate(r.x, r.y);695        ctx.rotate(r.angle);696        ctx.font = `${r.size}px PeachScript, monospace`;697        const alpha = 0.5 + 0.5 * Math.sin(Date.now() / 400 + r.x);698        ctx.fillStyle = `rgba(232, 149, 109, ${alpha})`;699        ctx.shadowColor = "rgba(232, 149, 109, 0.7)";700        ctx.shadowBlur = 8;701        ctx.fillText(r.char, 0, 0);702        ctx.restore();703      }704      animFrameId = requestAnimationFrame(draw);705    }706    draw();707  }708709  function snapToGrid(canvas: HTMLCanvasElement, onDone: () => void) {710    stopAnim();711    const ctx = canvas.getContext("2d")!;712    const W = canvas.width;713    const H = canvas.height;714    const cols = 8;715    const rows = 6;716    const cellW = W / cols;717    const cellH = H / rows;718    const targets = runes.slice(0, cols * rows).map((_, i) => ({719      x: (i % cols) * cellW + cellW / 2,720      y: Math.floor(i / cols) * cellH + cellH / 2,721    }));722    const start = performance.now();723    const DURATION = 400;724725    function drawSnap(now: number) {726      const t = Math.min((now - start) / DURATION, 1);727      const ease = t < 1 ? 1 - (1 - t) ** 3 : 1;728      ctx.clearRect(0, 0, W, H);729      runes.slice(0, targets.length).forEach((r, i) => {730        const tx = targets[i]!.x;731        const ty = targets[i]!.y;732        const cx = r.x + (tx - r.x) * ease;733        const cy = r.y + (ty - r.y) * ease;734        ctx.font = `16px PeachScript, monospace`;735        ctx.fillStyle = `rgba(232, 149, 109, ${0.8 * ease})`;736        ctx.shadowColor = "rgba(232, 149, 109, 0.6)";737        ctx.shadowBlur = 6;738        ctx.fillText(r.char, cx - 8, cy + 8);739      });740      if (t < 1) {741        animFrameId = requestAnimationFrame(drawSnap);742      } else {743        onDone();744      }745    }746    animFrameId = requestAnimationFrame(drawSnap);747  }748749  function bloom(canvas: HTMLCanvasElement, onDone: () => void) {750    stopAnim();751    const ctx = canvas.getContext("2d")!;752    const W = canvas.width;753    const H = canvas.height;754    const start = performance.now();755    const DURATION = 900;756757    function drawBloom(now: number) {758      const t = Math.min((now - start) / DURATION, 1);759      ctx.clearRect(0, 0, W, H);760      // Runes dissolve761      const runeAlpha = 1 - Math.min(t / 0.4, 1);762      if (runeAlpha > 0) {763        for (const r of runes.slice(0, 48)) {764          ctx.font = `16px PeachScript, monospace`;765          ctx.fillStyle = `rgba(232, 149, 109, ${runeAlpha * 0.8})`;766          ctx.fillText(r.char, r.x - 8, r.y + 8);767        }768      }769      // Peach mark bloom770      const markT = Math.max(0, (t - 0.2) / 0.5);771      const markScale = Math.min(markT * 1.2, 1);772      const markAlpha = markT < 0.5 ? markT * 2 : 2 - markT * 2;773      if (markAlpha > 0) {774        ctx.save();775        ctx.globalAlpha = markAlpha;776        ctx.shadowColor = `rgba(217, 104, 48, ${markAlpha * 0.8})`;777        ctx.shadowBlur = 30;778        ctx.translate(W / 2, H / 2);779        ctx.scale(markScale, markScale);780        ctx.drawImage(peachMarkImg, -32, -32, 64, 64);781        ctx.restore();782      }783      if (t < 1) {784        animFrameId = requestAnimationFrame(drawBloom);785      } else {786        onDone();787      }788    }789    animFrameId = requestAnimationFrame(drawBloom);790  }791792  onCleanup(() => stopAnim());793794  async function handleRestore() {795    if (!scriptValid() || !backupPass().trim() || working()) return;796    setError(null);797    setWorking(true);798    setAnimating("chaos");799800    const canvas = canvasRef;801    if (canvas) startChaos(canvas);802803    try {804      const bytes = decodePeachScript(normalisePeachScript(scriptInput()));805      const payload = await parsePayload(bytes, backupPass());806807      if (!props.hasVault) {808        const cr = await sendMessage({ type: "CREATE_VAULT", payload: { password: backupPass() } });809        if (!(cr as { ok: boolean }).ok) throw new Error("CREATE_VAULT_FAILED");810      }811812      const rr = await sendMessage({813        type: "RESTORE_ENTRIES",814        payload: { entries: payload.entries, mode: "merge", settings: payload.settings },815      });816      if (!(rr as { ok: boolean }).ok) throw new Error((rr as { error?: string }).error ?? "RESTORE_FAILED");817818      if (payload.license?.key) {819        await sendMessage({ type: "ACTIVATE_LICENSE", payload: { key: payload.license.key } }).catch(() => {});820      }821822      setAnimating("snap");823      stopAnim();824      if (canvas) {825        snapToGrid(canvas, () => {826          setAnimating("bloom");827          bloom(canvas, async () => {828            setAnimating(null);829            await props.onSuccess();830          });831        });832      } else {833        await props.onSuccess();834      }835    } catch (err) {836      stopAnim();837      setAnimating(null);838      const code = err instanceof Error ? err.message : String(err);839      setError(840        code === "INVALID_PASSPHRASE" || code === "INVALID_EXPORT_PASSWORD"841          ? "That passphrase didn't work."842          : code === "CREATE_VAULT_FAILED"843            ? "Couldn't create a new local vault."844            : "Could not read this backup.",845      );846    } finally {847      setWorking(false);848    }849  }850851  return (852    <div class="peach-rt-symbols">853      <Show when={animating() !== null}>854        <canvas855          ref={(el) => { canvasRef = el; }}856          class="peach-rt-anim-canvas"857          width={280}858          height={200}859        />860      </Show>861      <Show when={animating() === null}>862        <textarea863          class="peach-restore-symbols-textarea"864          placeholder="paste peachscript…"865          rows={3}866          value={scriptInput()}867          onInput={(e) => setScriptInput((e.target as HTMLTextAreaElement).value)}868        />869        <div class="peach-rt-divider">— or —</div>870        <label class="peach-btn peach-btn--ghost peach-btn--sm peach-rt-file-label">871          open .peach file872          <input873            type="file"874            accept=".peach,text/plain"875            style="display:none"876            onChange={async (e) => {877              const file = (e.currentTarget as HTMLInputElement).files?.[0];878              if (!file) return;879              try {880                setScriptInput(await file.text());881              } catch {882                setError("Couldn't read file.");883              } finally {884                (e.currentTarget as HTMLInputElement).value = "";885              }886            }}887          />888        </label>889        <input890          class="peach-restore-symbols-pass"891          type="password"892          placeholder="backup password"893          value={backupPass()}894          onInput={(e) => setBackupPass((e.target as HTMLInputElement).value)}895          onKeyDown={(e) => {896            if (e.key === "Enter" && scriptValid() && backupPass().trim() && !working()) {897              e.preventDefault();898              void handleRestore();899            }900          }}901        />902        <button903          class="peach-btn peach-btn--accent peach-btn--md peach-rt-submit"904          onClick={() => void handleRestore()}905          disabled={!scriptValid() || !backupPass().trim() || working()}906        >907          restore vault →908        </button>909        <Show when={error()}>910          <p class="peach-rt-error">{error()}</p>911        </Show>912      </Show>913    </div>914  );915}916917// ── CSV tab ────────────────────────────────────────────────────────────────918919function RestoreCSV(props: { hasVault: boolean; onSuccess: () => void | Promise<void> }) {920  const [importing, setImporting] = createSignal(false);921  const [error, setError] = createSignal<string | null>(null);922  // CSV/JSON imports are plaintext and carry no password, so when there is no923  // vault yet the user MUST choose a master password here — otherwise the924  // imported credentials would be encrypted under an empty key and offer zero925  // at-rest protection (audit HIGH). Mirrors the onboarding MIN_LENGTH policy.926  const CSV_MIN_PASSWORD_LENGTH = 12;927  const [newPass, setNewPass] = createSignal("");928  const [confirmPass, setConfirmPass] = createSignal("");929  const needsPassword = () => props.hasVault === false;930  const passwordReady = () =>931    !needsPassword() ||932    (newPass().length >= CSV_MIN_PASSWORD_LENGTH && newPass() === confirmPass());933934  async function handleFile(e: Event) {935    const input = e.currentTarget as HTMLInputElement;936    const file = input.files?.[0];937    input.value = "";938    if (!file) return;939    if (needsPassword() && newPass().length < CSV_MIN_PASSWORD_LENGTH) {940      setError(`Set a master password of at least ${CSV_MIN_PASSWORD_LENGTH} characters first.`);941      return;942    }943    if (needsPassword() && newPass() !== confirmPass()) {944      setError("Passwords do not match.");945      return;946    }947    setImporting(true);948    setError(null);949    try {950      const text = await file.text();951      const parsed = await parseImportSource(text);952      if (parsed.entries.length === 0) throw new Error("NO_ENTRIES");953954      if (props.hasVault === false) {955        // Create the vault under the user-chosen master password — never an956        // empty one (an empty key derives a publicly-known vault key).957        const cr = await sendMessage({ type: "CREATE_VAULT", payload: { password: newPass() } });958        if (!(cr as { ok: boolean }).ok) throw new Error("CREATE_VAULT_FAILED");959      }960961      const res = await sendMessage({ type: "BATCH_ADD_ENTRIES", payload: { entries: parsed.entries } });962      if (!(res as { ok: boolean }).ok) throw new Error("IMPORT_FAILED");963      if (parsed.licenseKey) {964        await sendMessage({ type: "ACTIVATE_LICENSE", payload: { key: parsed.licenseKey } }).catch(() => {});965      }966      await props.onSuccess();967    } catch (err) {968      const code = err instanceof Error ? err.message : String(err);969      setError(970        code === "NO_ENTRIES" ? "No entries found in this file." :971        code === "CREATE_VAULT_FAILED" ? "Couldn't create a new local vault." :972        "Import failed. Check the file format and try again."973      );974    } finally {975      setImporting(false);976    }977  }978979  return (980    <div class="peach-rt-csv">981      <Show when={needsPassword()}>982        <input983          class="peach-restore-symbols-pass"984          type="password"985          placeholder="new master password"986          value={newPass()}987          onInput={(e) => setNewPass((e.target as HTMLInputElement).value)}988        />989        <input990          class="peach-restore-symbols-pass"991          type="password"992          placeholder="confirm master password"993          value={confirmPass()}994          onInput={(e) => setConfirmPass((e.target as HTMLInputElement).value)}995        />996      </Show>997      <label998        class="peach-btn peach-btn--accent peach-btn--md peach-rt-csv-btn"999        classList={{ "is-busy": importing(), "is-disabled": !passwordReady() }}1000      >1001        {importing() ? "importing…" : "open csv file"}1002        <input1003          type="file"1004          accept=".csv,.json,.peach,application/x-peach"1005          style="display:none"1006          onChange={handleFile}1007          disabled={importing() || !passwordReady()}1008        />1009      </label>1010      <p class="peach-rt-csv-sources">1011        Imports from Bitwarden, 1Password, Proton Pass,<br />1012        Chrome, Safari, and Edge.1013      </p>1014      <p class="peach-rt-csv-warning">PLAIN-TEXT — DELETE THE FILE AFTER IMPORT</p>1015      <Show when={error()}>1016        <p class="peach-rt-error">{error()}</p>1017      </Show>1018    </div>1019  );1020}10211022// ── Helpers ────────────────────────────────────────────────────────────────10231024function getDisplayError(error: string | undefined, fallback: string): string {1025  if (!error) return fallback;1026  if (1027    error === "SERVICE_WORKER_UNAVAILABLE" ||1028    error.includes("Receiving end does not exist") ||1029    error.includes("message port closed")1030  ) {1031    return "background service unavailable";1032  }1033  return error;1034}