messages.ts

1/**2 * messages.ts — the only background message handler.3 *4 * All `chrome.runtime.onMessage` handling for the service worker lives here.5 * Do not handle messages inline in entry.ts, alarms.ts, or any other6 * background file. Every background-bound MessageType in shared/types.ts7 * must have a case below. Content-script-bound message types (PING,8 * SUMMON_AUTOFILL, VAULT_LOCKED) are documented in shared/types.ts and9 * intentionally have no case here — they are sent *to* content scripts.10 */1112import { copyToClipboard } from "./clipboard";13import { setupAutoLock, touchAutoLock } from "./alarms";14import * as vault from "./vault";15import {16  activateLicense,17  deactivateLicense,18  getLicenseInfo,19  getLicenseKey,20  isProUser,21  markCelebrationPlayed,22  shouldPlayCelebration,23} from "./license";24import {25  cancelFirefoxPasskeyCreate,26  completeFirefoxPasskeyCreate,27  getPasskeyProviderState,28  getPendingPasskeyRequest,29  initiateFirefoxPasskeyCreate,30  isPasskeyOfferDeclined,31  recordPasskeyOfferDecline,32  resolvePendingPasskeyRequest,33  setPasskeyProviderEnabled,34} from "./passkey";35import { buildAdvancedHealthReport, resolveResetUrl } from "./health";36import type {37  Message,38  MessageResponse,39  MessageType,40  ProFeature,41} from "../shared/types";42import { isPasskeyOnly } from "../shared/types";43import type { SyncStatus } from "../shared/sync-types";4445/**46 * The single Pro gate. Every gated handler calls this first; the broadcast47 * lets the popup react (navigate to the License section, highlight the48 * relevant feature). Background never touches the popup view directly —49 * the popup owns navigation. See Projects.md "Pro gate rule".50 */51async function requirePro(52  feature: ProFeature,53  trigger: "user" | "background" = "user"54): Promise<{ allowed: boolean }> {55  if (await isProUser()) return { allowed: true };5657  if (trigger === "user") {58    // User deliberately triggered this feature — redirect the popup immediately.59    chrome.runtime60      .sendMessage({ type: "PRO_GATE_TRIGGERED", payload: { feature } })61      .catch(() => {62        // Popup may be closed — the gate signal is best-effort.63      });64  } else {65    // Background trigger (e.g. passive sync initiation) — no popup is open.66    // Queue a notice so the next popup open shows a soft banner instead of67    // silently failing.68    if (chrome.storage.session) {69      chrome.storage.session70        .set({ pendingProNotice: { feature, triggeredAt: Date.now() } })71        .catch(() => {});72    }73  }7475  return { allowed: false };76}7778const PRIVATE_IPV4_RANGES = [79  { prefix: "10." },80  { prefix: "127." },81  { prefix: "169.254." },82  { prefix: "192.168." },83];8485// Empty disables network submission while the UI continues to function as a86// no-op (the handler returns ok:true without calling fetch). When set, the87// URL is validated by `isAllowedCanaryWebhookUrl` before any request, so the88// same private-IP/HTTPS rules that gate canary webhooks apply here.89const FEEDBACK_ENDPOINT = "";9091export function setupMessageHandler(): void {92  chrome.runtime.onMessage.addListener(93    (msg: unknown, sender, sendResponse) => {94      if (!isMessage(msg)) {95        sendResponse({ ok: false, error: "invalid message" });96        return true;97      }98      handleMessage(msg, sender)99        .then(sendResponse)100        .catch((err) =>101          sendResponse({102            ok: false,103            error: err instanceof Error ? err.message : String(err),104          })105        );106      return true;107    }108  );109}110111function isMessage(m: unknown): m is Message {112  return typeof m === "object" && m !== null && "type" in m;113}114115async function handleMessage(116  msg: Message,117  sender: chrome.runtime.MessageSender118): Promise<MessageResponse> {119  try {120    // Validate sender — only allow messages from our extension pages/scripts.121    // `sender.id` is undefined for messages originating from extension UI122    // (popup/options), which is legitimate; reject only when it is defined123    // and does not match our extension id.124    if (sender.id !== undefined && sender.id !== chrome.runtime.id) {125      return { ok: false, error: "invalid sender" };126    }127128    if (shouldRefreshAutoLock(msg.type) && vault.isUnlocked()) {129      touchAutoLock();130    }131132    switch (msg.type) {133      case "CREATE_VAULT": {134        const { password } = msg.payload as { password: string };135        await vault.createVault(password);136        await setupAutoLock();137        broadcastToContentScripts({ type: "VAULT_UNLOCKED" });138        return { ok: true };139      }140      case "UNLOCK": {141        const { password } = msg.payload as { password: string };142        const ok = await vault.unlock(password);143        if (ok) {144          await setupAutoLock();145          broadcastToContentScripts({ type: "VAULT_UNLOCKED" });146        }147        return { ok };148      }149      case "LOCK":150        vault.lock();151        return { ok: true };152      case "IS_UNLOCKED":153        return { ok: true, data: vault.isUnlocked() };154      case "GET_VAULT_STATUS":155        return { ok: true, unlocked: vault.isUnlocked() };156      case "HAS_VAULT":157        return { ok: true, data: await vault.hasVault() };158      case "GET_ENTRIES":159        return { ok: true, data: vault.getEntries() };160      case "ADD_ENTRY": {161        const entry = await vault.addEntry(msg.payload as any);162        return { ok: true, data: entry };163      }164      case "BATCH_ADD_ENTRIES": {165        const { entries } = msg.payload as { entries: any[] };166        const added = await vault.batchAddEntries(entries);167        return { ok: true, data: added };168      }169      case "RESTORE_ENTRIES": {170        const { entries, mode, settings } = msg.payload as {171          entries: any[];172          mode: "replace" | "merge";173          settings?: vault.VaultSettings;174        };175        const summary = await vault.restoreEntries(entries, mode);176        if (settings && typeof settings === "object") {177          await vault.updateSettings(settings);178        }179        return { ok: true, data: summary };180      }181      case "CLEAR_VAULT_ENTRIES": {182        await vault.clearVaultEntries("REPLACE_ALL");183        return { ok: true };184      }185      case "LIST_VAULT_SNAPSHOTS": {186        const snapshots = await vault.listSnapshots();187        return { ok: true, data: snapshots };188      }189      case "RESTORE_VAULT_SNAPSHOT": {190        const { index, password } = msg.payload as { index: number; password: string };191        const ok = await vault.restoreFromSnapshot(index, password);192        if (ok) broadcastToContentScripts({ type: "VAULT_UNLOCKED" });193        return { ok };194      }195      case "COUNT_DUPLICATES": {196        return { ok: true, data: vault.countDuplicates() };197      }198      case "DEDUPLICATE_ENTRIES": {199        const removed = await vault.deduplicateEntries();200        return { ok: true, data: removed };201      }202      case "UPDATE_ENTRY": {203        const { id, patch } = msg.payload as any;204        await vault.updateEntry(id, patch);205        return { ok: true };206      }207      case "ADD_ADDITIONAL_URL": {208        const { id, url } = msg.payload as { id: string; url: string };209        const trimmed = typeof url === "string" ? url.trim() : "";210        if (!trimmed) return { ok: false, error: "url required" };211        const existing = vault.getEntryById(id);212        if (!existing) return { ok: false, error: "entry not found" };213        if (existing.type !== "login") return { ok: false, error: "login entries only" };214        const merged = [...(existing.additionalUrls ?? []), trimmed];215        await vault.updateEntry(id, { additionalUrls: merged });216        return { ok: true };217      }218      case "DELETE_ENTRY": {219        const { id } = msg.payload as { id: string };220        await vault.deleteEntry(id);221        return { ok: true };222      }223      case "GET_DELETED_ENTRIES":224        return { ok: true, data: vault.getDeletedEntries() };225      case "RESTORE_ENTRY": {226        const { id } = msg.payload as { id: string };227        await vault.restoreEntry(id);228        return { ok: true };229      }230      case "PURGE_ENTRY": {231        const { id } = msg.payload as { id: string };232        await vault.purgeEntry(id);233        return { ok: true };234      }235      case "PURGE_EXPIRED_TRASH": {236        const { retentionMs } = msg.payload as { retentionMs: number };237        const purged = await vault.purgeExpiredTrash(retentionMs);238        return { ok: true, data: purged };239      }240      case "AUTOFILL_QUERY": {241        if (!vault.isUnlocked()) {242          return { ok: false, error: "VAULT_LOCKED" };243        }244        const { domain, includeAll, kind } = msg.payload as {245          domain: string;246          includeAll?: boolean;247          kind?: "login" | "card";248        };249        // kind="card": return saved cards as compact summaries for the250        // inline card silver platter. Cards are not domain-scoped — every251        // saved card is a candidate on every checkout page — so domain is252        // ignored when kind === "card".253        if (kind === "card") {254          const cards = vault.getEntries().filter((e) => e.type === "card");255          return {256            ok: true,257            data: cards.map((e) => ({258              id: e.id,259              title: e.cardNickname || e.title,260              cardholderName: e.cardholderName,261              last4: e.last4,262              expMonth: e.expMonth,263              expYear: e.expYear,264              network: e.network,265            })),266          };267        }268        // The inline selector fills username+password into a form. Passkey-269        // only entries have no password to fill; sign-in for those goes270        // through the WebAuthn path instead. Filter them out everywhere so271        // the user doesn't see four "GitHub" rows that mostly do nothing.272        // Notes and cards never belonged here either.273        const matches = (274          includeAll275            ? vault276                .getEntries()277                .filter((entry) => entry.type !== "note" && entry.type !== "card")278            : vault.queryDomain(domain)279        ).filter((entry) => !isPasskeyOnly(entry));280        return {281          ok: true,282          data: matches.map((e) =>283            includeAll284              ? {285                  id: e.id,286                  title: e.title,287                  hasPasskey: e.passkey !== undefined,288                }289              : {290                  id: e.id,291                  title: e.title,292                  username: e.username,293                  url: e.url,294                  hasTotp: Boolean(e.totp),295                  hasPasskey: e.passkey !== undefined,296                }297          ),298        };299      }300      case "GET_ENTRY_FOR_FILL": {301        if (!vault.isUnlocked()) return { ok: false, error: "vault locked" };302        const { id } = msg.payload as { id: string };303        const entry = vault.getEntryById(id);304        if (!entry) return { ok: false, error: "entry not found" };305        // Passkey-only entries (passkey credential, no password) cannot be306        // filled into a form — sign-in goes through the WebAuthn path. A307        // login that ALSO has a passkey is still fillable for its password.308        if (isPasskeyOnly(entry)) return { ok: false, error: "passkey not fillable" };309        // Strip the passkey credential from the response — content scripts310        // never need the private key, and there's no reason to expose the311        // public credential metadata over the boundary either.312        const { passkey: _strippedPasskey, ...safeEntry } = entry;313        return { ok: true, data: safeEntry };314      }315      case "COPY": {316        const { text, label, alreadyWritten } = msg.payload as {317          text: string;318          label: string;319          alreadyWritten?: boolean;320        };321        await copyToClipboard(text, label, Boolean(alreadyWritten));322        return { ok: true };323      }324      case "CHECK_BREACH": {325        const { password } = msg.payload as { password: string };326        const count = await vault.checkBreach(password);327        return { ok: true, data: count };328      }329      case "CHECK_ALL_BREACHES": {330        const allEntries = vault.getEntries();331        const results: Record<string, number> = {};332        for (const entry of allEntries) {333          if (entry.type === "note") continue;334          if (!entry.password) continue;335          results[entry.id] = await vault.checkBreach(entry.password);336          // Small delay — be a good citizen to the HIBP API337          await new Promise((r) => setTimeout(r, 200));338        }339        // Persist any non-zero counts back to entries340        for (const [id, count] of Object.entries(results)) {341          const entry = vault.getEntryById(id);342          if (entry && (entry.breach ?? 0) !== count) {343            await vault.updateEntry(id, { breach: count > 0 ? count : undefined });344          }345        }346        return { ok: true, data: results };347      }348      case "GET_SETTINGS":349        return { ok: true, data: await vault.ensureSettingsLoaded() };350      case "UPDATE_SETTINGS": {351        const patch = msg.payload as Record<string, unknown>;352        await vault.updateSettings(patch as any);353        if (typeof patch.autoLockMinutes === "number") {354          await setupAutoLock();355          if (vault.isUnlocked()) touchAutoLock();356        }357        return { ok: true };358      }359      case "GET_PENDING_PASSKEY":360        return { ok: true, data: await getPendingPasskeyRequest() };361      case "APPROVE_PASSKEY": {362        const { requestId } = msg.payload as { requestId: number };363        await resolvePendingPasskeyRequest(requestId, true);364        return { ok: true };365      }366      case "DENY_PASSKEY": {367        const { requestId } = msg.payload as { requestId: number };368        await resolvePendingPasskeyRequest(requestId, false);369        return { ok: true };370      }371      case "GET_PASSKEYS":372        return {373          ok: true,374          data: vault.getEntries().filter((entry) => entry.passkey !== undefined),375        };376      case "DELETE_PASSKEY": {377        const { id } = msg.payload as { id: string };378        await vault.deleteEntry(id);379        return { ok: true };380      }381      case "GET_PASSKEY_PROVIDER_STATE":382        return { ok: true, data: await getPasskeyProviderState() };383      case "SET_PASSKEY_PROVIDER_ENABLED": {384        const { enabled } = msg.payload as { enabled: boolean };385        // Disabling is always free; gating fires only when a free user is386        // trying to turn passkey interception on.387        if (enabled) {388          const gate = await requirePro("passkeys");389          if (!gate.allowed) return { ok: false, error: "pro_required" };390        }391        return { ok: true, data: await setPasskeyProviderEnabled(enabled) };392      }393      case "FIRE_CANARY_PING": {394        const { webhookUrl, entryTitle, trigger } = msg.payload as {395          webhookUrl: string;396          entryTitle: string;397          trigger: "password_copied" | "username_copied" | "autofilled" | "submitted" | "test";398        };399        if (!isAllowedCanaryWebhookUrl(webhookUrl)) {400          return { ok: false, error: "invalid webhook url" };401        }402        const body = JSON.stringify({403          event: trigger === "test" ? "peach_canary_test" : "peach_canary_accessed",404          entry: entryTitle,405          trigger,406          timestamp: new Date().toISOString(),407          source: "peach-extension",408        });409        if (trigger === "test") {410          // Permitted outbound fetch: user-configured canary alert endpoint411          // (validated by isAllowedCanaryWebhookUrl above). This is the412          // only non-HIBP outbound call in the extension — see413          // Projects.md §3.7. Test pings are awaited so the UI can show414          // success/failure.415          try {416            const res = await fetch(webhookUrl, {417              method: "POST",418              headers: { "Content-Type": "application/json" },419              body,420            });421            return { ok: res.ok, error: res.ok ? undefined : `HTTP ${res.status}` };422          } catch (err) {423            return { ok: false, error: err instanceof Error ? err.message : "network error" };424          }425        }426        // Non-test triggers are fire-and-forget427        fetch(webhookUrl, {428          method: "POST",429          headers: { "Content-Type": "application/json" },430          body,431        }).catch(() => {});432        return { ok: true };433      }434      case "ACTIVATE_LICENSE": {435        const { key } = msg.payload as { key: string };436        const licenseInfo = await activateLicense(key);437        return { ok: true, data: licenseInfo };438      }439      case "GET_LICENSE": {440        const licenseInfo = await getLicenseInfo();441        return { ok: true, data: licenseInfo };442      }443      case "GET_LICENSE_KEY": {444        const key = await getLicenseKey();445        return { ok: true, data: key };446      }447      case "DEACTIVATE_LICENSE": {448        await deactivateLicense();449        return { ok: true };450      }451      case "SHOULD_PLAY_CELEBRATION": {452        const should = await shouldPlayCelebration();453        return { ok: true, data: should };454      }455      case "MARK_CELEBRATION_PLAYED": {456        await markCelebrationPlayed();457        return { ok: true };458      }459      case "OPEN_PRO_GATE": {460        // Content script requests: open popup and navigate to License section.461        const { feature } = (msg.payload ?? {}) as { feature?: string };462        if (chrome.storage.session) {463          await chrome.storage.session.set({ pendingProGate: { feature: feature ?? "passkeys" } });464        }465        try { await chrome.action.openPopup(); } catch { /* badge fallback */ }466        return { ok: true };467      }468      case "GET_IDENTITIES": {469        if (!vault.isUnlocked()) return { ok: false, error: "vault locked" };470        return { ok: true, data: vault.getIdentities() };471      }472      case "GET_ADVANCED_HEALTH_REPORT": {473        const gate = await requirePro("advanced_health");474        if (!gate.allowed) return { ok: false, error: "pro_required" };475        if (!vault.isUnlocked()) return { ok: false, error: "vault locked" };476        const report = await buildAdvancedHealthReport(vault.getEntries());477        return { ok: true, data: report };478      }479      case "INITIATE_PASSWORD_CHANGE": {480        const gate = await requirePro("smart_password_change");481        if (!gate.allowed) return { ok: false, error: "pro_required" };482        if (!vault.isUnlocked()) return { ok: false, error: "vault locked" };483        const { id } = msg.payload as { id: string };484        const entry = vault.getEntryById(id);485        if (!entry) return { ok: false, error: "entry not found" };486        const url = resolveResetUrl(entry);487        if (!url) return { ok: false, error: "no reset url" };488        try {489          await chrome.tabs.create({ url });490          return { ok: true, data: { url } };491        } catch (err) {492          return {493            ok: false,494            error: err instanceof Error ? err.message : "failed to open tab",495          };496        }497      }498      case "IS_DURESS_ENABLED": {499        const enabled = await vault.isDuressEnabled();500        return { ok: true, data: enabled };501      }502      case "SETUP_DURESS": {503        const { duressPassword } = msg.payload as { duressPassword: string };504        await vault.setupDuress(duressPassword);505        return { ok: true };506      }507      case "DISABLE_DURESS": {508        await vault.disableDuress();509        return { ok: true };510      }511      case "VERIFY_MAIN_PASSWORD": {512        const { password } = msg.payload as { password: string };513        const ok = await vault.verifyMainPassword(password);514        return { ok: true, data: ok };515      }516      case "CHANGE_PASSWORD": {517        const { currentPassword, newPassword } = msg.payload as {518          currentPassword: string;519          newPassword: string;520        };521        const changed = await vault.changePassword(currentPassword, newPassword);522        return changed523          ? { ok: true }524          : { ok: false, error: "incorrect current password" };525      }526      case "GET_SITE_PASSWORD_POLICY": {527        const [tab] = await chrome.tabs.query({ active: true, currentWindow: true });528        if (!tab?.id) return { ok: true, data: null };529        try {530          const response = await chrome.tabs.sendMessage(tab.id, {531            type: "GET_SITE_PASSWORD_POLICY",532          });533          return (response as MessageResponse) ?? { ok: true, data: null };534        } catch {535          return { ok: true, data: null };536        }537      }538      case "GET_SYNC_STATE": {539        const { getPairedDevices, getTrustedNetworks } = await import('./sync-storage');540        const { isOnTailscale } = await import('./sync-network');541        const { isProUser } = await import('./license');542        const pairedDevices = await getPairedDevices();543        const trustedNetworks = await getTrustedNetworks();544        const tailscale = await isOnTailscale();545        const pro = await isProUser();546        547        let status: SyncStatus = "offline";548        if (tailscale || trustedNetworks.some((n: { isTailscale?: boolean }) => !n.isTailscale)) {549          if (pairedDevices.length === 0) {550            status = "no_peers";551          } else {552            status = "synced";553          }554        } else {555          status = "not_trusted";556        }557        558        return { ok: true, data: { pairedDevices, trustedNetworks, status, isPro: pro } };559      }560      case "TRIGGER_SYNC": {561        const gate = await requirePro("sync");562        if (!gate.allowed) return { ok: false, error: "pro_required" };563        return { ok: true };564      }565      case "START_PAIRING": {566        const gate = await requirePro("sync");567        if (!gate.allowed) return { ok: false, error: "pro_required" };568        return { ok: true };569      }570      case "CANCEL_PAIRING": {571        return { ok: true };572      }573      case "ACCEPT_PAIRING": {574        const gate = await requirePro("sync");575        if (!gate.allowed) return { ok: false, error: "pro_required" };576        return { ok: true };577      }578      case "REMOVE_PAIRED_DEVICE": {579        const { deviceId } = msg.payload as { deviceId: string };580        const { removePairedDevice } = await import('./sync-storage');581        await removePairedDevice(deviceId);582        return { ok: true };583      }584      case "REMOVE_TRUSTED_NETWORK": {585        const { ssid, bssid, isTailscale } = msg.payload as any;586        const { removeTrustedNetwork, getTrustedNetworks } = await import('./sync-storage');587        const networks = await getTrustedNetworks();588        const network = networks.find((n: { ssid?: string; bssid?: string; isTailscale?: boolean }) => 589          (isTailscale ? n.isTailscale : n.ssid === ssid) && 590          (!bssid || n.bssid === bssid)591        );592        if (network) {593          await removeTrustedNetwork(network.addedAt);594        }595        return { ok: true };596      }597      case "MARK_NETWORK_TRUSTED": {598        const { addTrustedNetwork } = await import('./sync-storage');599        const { getCurrentNetwork } = await import('./sync-network');600        const network = await getCurrentNetwork();601        await addTrustedNetwork({602          ssid: network.ssid,603          bssid: network.bssid,604          isTailscale: network.isTailscale,605          addedAt: Date.now(),606        });607        return { ok: true };608      }609      case "RECORD_MANUAL_SUMMON": {610        const { domain } = msg.payload as { domain: string };611        const settings = vault.getSettings();612        const existing = settings.manualSummonDomains?.[domain];613        const now = Date.now();614        await vault.updateSettings({615          manualSummonDomains: {616            ...settings.manualSummonDomains,617            [domain]: {618              firstSummonedAt: existing?.firstSummonedAt ?? now,619              summonCount: (existing?.summonCount ?? 0) + 1,620              lastSummonedAt: now,621            },622          },623        });624        return { ok: true };625      }626      case "DECLINE_CARD_SAVE": {627        const { last4, expMonth, expYear } = msg.payload as { last4: string; expMonth: string; expYear: string };628        await vault.declineCardSaveOffer(last4, expMonth, expYear);629        return { ok: true };630      }631      case "IS_CARD_DECLINED": {632        const { last4, expMonth, expYear } = msg.payload as { last4: string; expMonth: string; expYear: string };633        const declined = await vault.isCardDeclined(last4, expMonth, expYear);634        return { ok: true, data: declined };635      }636      case "INITIATE_FIREFOX_PASSKEY_CREATE": {637        const { rpId, rpName, userName, userDisplayName } = (msg.payload ?? {}) as {638          rpId?: string;639          rpName?: string;640          userName?: string;641          userDisplayName?: string;642        };643        if (!rpId || !userName) return { ok: false, error: "rpId and userName required" };644        return await initiateFirefoxPasskeyCreate({645          rpId,646          rpName: rpName ?? rpId,647          userName,648          userDisplayName,649        });650      }651652      case "COMPLETE_FIREFOX_PASSKEY_CREATE": {653        const payload = msg.payload as Parameters<typeof completeFirefoxPasskeyCreate>[0] | undefined;654        if (!payload) return { ok: false, error: "missing payload" };655        return await completeFirefoxPasskeyCreate(payload);656      }657658      case "PASSKEY_OFFER_DECLINE": {659        const { domain } = (msg.payload ?? {}) as { domain?: string };660        if (!domain) return { ok: false, error: "domain required" };661        await recordPasskeyOfferDecline(domain);662        return { ok: true };663      }664665      case "GET_PASSKEY_OFFER_DECLINED": {666        const { domain } = (msg.payload ?? {}) as { domain?: string };667        if (!domain) return { ok: false, error: "domain required" };668        return { ok: true, data: await isPasskeyOfferDeclined(domain) };669      }670671      case "GET_PASSKEY_FOR_DOMAIN": {672        const { domain } = (msg.payload ?? {}) as { domain?: string };673        if (!domain) return { ok: false, error: "domain required" };674        if (!vault.isUnlocked()) return { ok: true, data: null };675        const match = vault676          .getEntries()677          .find((entry) => entry.passkey?.rpId === domain);678        if (!match || !match.passkey) return { ok: true, data: null };679        // Slim shape — only the fields State 11 needs. Never expose private680        // key material, even though this is locked behind isUnlocked.681        return {682          ok: true,683          data: {684            rpId: match.passkey.rpId,685            userName: match.passkey.userName,686            browser: match.passkey.browser,687          },688        };689      }690691      case "DESTROY_VAULT": {692        // Irreversible by design. Lock zeroes the derived key + in-memory entries;693        // storage.local.clear() wipes every Peach key (slots, settings, license,694        // onboarded flag, snapshots, sync state, declined cards, recall, etc.);695        // session.clear() wipes pending passkey requests + pro-notice queues.696        // Caller (Panic.tsx) handles UI navigation back to onboarding.697        vault.lock();698        await chrome.storage.local.clear();699        if (chrome.storage.session) {700          await chrome.storage.session.clear();701        }702        return { ok: true };703      }704705      case "SUBMIT_FEEDBACK": {706        const { category, message, version, browser } = msg.payload as {707          category: string;708          message: string;709          version: string;710          browser: string;711        };712        if (!message.trim()) return { ok: false, error: "message is empty" };713        if (!FEEDBACK_ENDPOINT) return { ok: true };714        if (!isAllowedCanaryWebhookUrl(FEEDBACK_ENDPOINT)) {715          return { ok: false, error: "invalid feedback endpoint" };716        }717        try {718          const res = await fetch(FEEDBACK_ENDPOINT, {719            method: "POST",720            headers: { "Content-Type": "application/json" },721            body: JSON.stringify({ category, message, version, browser, source: "peach-extension" }),722          });723          return { ok: res.ok, error: res.ok ? undefined : `HTTP ${res.status}` };724        } catch (err) {725          return { ok: false, error: err instanceof Error ? err.message : "network error" };726        }727      }728      default:729        return { ok: false, error: "unknown message type" };730    }731  } catch (err) {732    return {733      ok: false,734      error: err instanceof Error ? err.message : "operation failed",735    };736  }737}738739/** Notify all content scripts that the vault just became available. */740function broadcastToContentScripts(message: { type: string }): void {741  chrome.tabs.query({}, (tabs) => {742    for (const tab of tabs) {743      if (tab.id !== undefined) {744        chrome.tabs.sendMessage(tab.id, message).catch(() => {745          // Tab may not have a content script — silently ignore746        });747      }748    }749  });750}751752function shouldRefreshAutoLock(type: MessageType): boolean {753  return (754    type !== "HAS_VAULT" &&755    type !== "IS_UNLOCKED" &&756    type !== "GET_VAULT_STATUS" &&757    type !== "LOCK" &&758    type !== "UPDATE_SETTINGS" &&759    type !== "GET_PENDING_PASSKEY" &&760    type !== "GET_PASSKEY_PROVIDER_STATE" &&761    type !== "DECLINE_CARD_SAVE" &&762    type !== "IS_CARD_DECLINED" &&763    type !== "SUBMIT_FEEDBACK"764  );765}766767function isAllowedCanaryWebhookUrl(value: string): boolean {768  try {769    const url = new URL(value);770    if (url.protocol !== "https:") return false;771772    const hostname = url.hostname.toLowerCase();773    if (774      hostname === "localhost" ||775      hostname.endsWith(".localhost") ||776      isPrivateIpv4(hostname) ||777      isPrivateIpv6(hostname)778    ) {779      return false;780    }781782    return true;783  } catch {784    return false;785  }786}787788function isPrivateIpv4(hostname: string): boolean {789  if (PRIVATE_IPV4_RANGES.some((range) => hostname.startsWith(range.prefix))) {790    return true;791  }792793  const octets = hostname.split(".").map((part) => Number(part));794  if (octets.length !== 4 || octets.some((octet) => !Number.isInteger(octet) || octet < 0 || octet > 255)) {795    return false;796  }797798  return octets[0] === 172 && octets[1] >= 16 && octets[1] <= 31;799}800801function isPrivateIpv6(hostname: string): boolean {802  const normalized = hostname.replace(/^\[|\]$/g, "").toLowerCase();803  return (804    normalized === "::1" ||805    normalized.startsWith("fc") ||806    normalized.startsWith("fd") ||807    normalized.startsWith("fe80:")808  );809}