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@@ -1,1704 +0,0 @@
-'use strict';
-
-Object.defineProperty(exports, '__esModule', { value: true });
-
-var app = require('@firebase/app');
-var component = require('@firebase/component');
-var util = require('@firebase/util');
-var logger$1 = require('@firebase/logger');
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-const APP_CHECK_STATES = new Map();
-const DEFAULT_STATE = {
- activated: false,
- tokenObservers: []
-};
-const DEBUG_STATE = {
- initialized: false,
- enabled: false
-};
-/**
- * Gets a reference to the state object.
- */
-function getStateReference(app) {
- return APP_CHECK_STATES.get(app) || { ...DEFAULT_STATE };
-}
-/**
- * Set once on initialization. The map should hold the same reference to the
- * same object until this entry is deleted.
- */
-function setInitialState(app, state) {
- APP_CHECK_STATES.set(app, state);
- return APP_CHECK_STATES.get(app);
-}
-function getDebugState() {
- return DEBUG_STATE;
-}
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-const BASE_ENDPOINT = 'https://content-firebaseappcheck.googleapis.com/v1';
-const EXCHANGE_RECAPTCHA_TOKEN_METHOD = 'exchangeRecaptchaV3Token';
-const EXCHANGE_RECAPTCHA_ENTERPRISE_TOKEN_METHOD = 'exchangeRecaptchaEnterpriseToken';
-const EXCHANGE_DEBUG_TOKEN_METHOD = 'exchangeDebugToken';
-const TOKEN_REFRESH_TIME = {
- /**
- * The offset time before token natural expiration to run the refresh.
- * This is currently 5 minutes.
- */
- OFFSET_DURATION: 5 * 60 * 1000,
- /**
- * This is the first retrial wait after an error. This is currently
- * 30 seconds.
- */
- RETRIAL_MIN_WAIT: 30 * 1000,
- /**
- * This is the maximum retrial wait, currently 16 minutes.
- */
- RETRIAL_MAX_WAIT: 16 * 60 * 1000
-};
-/**
- * One day in millis, for certain error code backoffs.
- */
-const ONE_DAY = 24 * 60 * 60 * 1000;
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * Port from auth proactiverefresh.js
- *
- */
-// TODO: move it to @firebase/util?
-// TODO: allow to config whether refresh should happen in the background
-class Refresher {
- constructor(operation, retryPolicy, getWaitDuration, lowerBound, upperBound) {
- this.operation = operation;
- this.retryPolicy = retryPolicy;
- this.getWaitDuration = getWaitDuration;
- this.lowerBound = lowerBound;
- this.upperBound = upperBound;
- this.pending = null;
- this.nextErrorWaitInterval = lowerBound;
- if (lowerBound > upperBound) {
- throw new Error('Proactive refresh lower bound greater than upper bound!');
- }
- }
- start() {
- this.nextErrorWaitInterval = this.lowerBound;
- this.process(true).catch(() => {
- /* we don't care about the result */
- });
- }
- stop() {
- if (this.pending) {
- this.pending.reject('cancelled');
- this.pending = null;
- }
- }
- isRunning() {
- return !!this.pending;
- }
- async process(hasSucceeded) {
- this.stop();
- try {
- this.pending = new util.Deferred();
- this.pending.promise.catch(_e => {
- /* ignore */
- });
- await sleep(this.getNextRun(hasSucceeded));
- // Why do we resolve a promise, then immediate wait for it?
- // We do it to make the promise chain cancellable.
- // We can call stop() which rejects the promise before the following line execute, which makes
- // the code jump to the catch block.
- // TODO: unit test this
- this.pending.resolve();
- await this.pending.promise;
- this.pending = new util.Deferred();
- this.pending.promise.catch(_e => {
- /* ignore */
- });
- await this.operation();
- this.pending.resolve();
- await this.pending.promise;
- this.process(true).catch(() => {
- /* we don't care about the result */
- });
- }
- catch (error) {
- if (this.retryPolicy(error)) {
- this.process(false).catch(() => {
- /* we don't care about the result */
- });
- }
- else {
- this.stop();
- }
- }
- }
- getNextRun(hasSucceeded) {
- if (hasSucceeded) {
- // If last operation succeeded, reset next error wait interval and return
- // the default wait duration.
- this.nextErrorWaitInterval = this.lowerBound;
- // Return typical wait duration interval after a successful operation.
- return this.getWaitDuration();
- }
- else {
- // Get next error wait interval.
- const currentErrorWaitInterval = this.nextErrorWaitInterval;
- // Double interval for next consecutive error.
- this.nextErrorWaitInterval *= 2;
- // Make sure next wait interval does not exceed the maximum upper bound.
- if (this.nextErrorWaitInterval > this.upperBound) {
- this.nextErrorWaitInterval = this.upperBound;
- }
- return currentErrorWaitInterval;
- }
- }
-}
-function sleep(ms) {
- return new Promise(resolve => {
- setTimeout(resolve, ms);
- });
-}
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-const ERRORS = {
- ["already-initialized" /* AppCheckError.ALREADY_INITIALIZED */]: 'You have already called initializeAppCheck() for FirebaseApp {$appName} with ' +
- 'different options. To avoid this error, call initializeAppCheck() with the ' +
- 'same options as when it was originally called. This will return the ' +
- 'already initialized instance.',
- ["use-before-activation" /* AppCheckError.USE_BEFORE_ACTIVATION */]: 'App Check is being used before initializeAppCheck() is called for FirebaseApp {$appName}. ' +
- 'Call initializeAppCheck() before instantiating other Firebase services.',
- ["fetch-network-error" /* AppCheckError.FETCH_NETWORK_ERROR */]: 'Fetch failed to connect to a network. Check Internet connection. ' +
- 'Original error: {$originalErrorMessage}.',
- ["fetch-parse-error" /* AppCheckError.FETCH_PARSE_ERROR */]: 'Fetch client could not parse response.' +
- ' Original error: {$originalErrorMessage}.',
- ["fetch-status-error" /* AppCheckError.FETCH_STATUS_ERROR */]: 'Fetch server returned an HTTP error status. HTTP status: {$httpStatus}.',
- ["storage-open" /* AppCheckError.STORAGE_OPEN */]: 'Error thrown when opening storage. Original error: {$originalErrorMessage}.',
- ["storage-get" /* AppCheckError.STORAGE_GET */]: 'Error thrown when reading from storage. Original error: {$originalErrorMessage}.',
- ["storage-set" /* AppCheckError.STORAGE_WRITE */]: 'Error thrown when writing to storage. Original error: {$originalErrorMessage}.',
- ["recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */]: 'ReCAPTCHA error.',
- ["initial-throttle" /* AppCheckError.INITIAL_THROTTLE */]: `{$httpStatus} error. Attempts allowed again after {$time}`,
- ["throttled" /* AppCheckError.THROTTLED */]: `Requests throttled due to previous {$httpStatus} error. Attempts allowed again after {$time}`
-};
-const ERROR_FACTORY = new util.ErrorFactory('appCheck', 'AppCheck', ERRORS);
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-function getRecaptcha(isEnterprise = false) {
- if (isEnterprise) {
- return self.grecaptcha?.enterprise;
- }
- return self.grecaptcha;
-}
-function ensureActivated(app) {
- if (!getStateReference(app).activated) {
- throw ERROR_FACTORY.create("use-before-activation" /* AppCheckError.USE_BEFORE_ACTIVATION */, {
- appName: app.name
- });
- }
-}
-function getDurationString(durationInMillis) {
- const totalSeconds = Math.round(durationInMillis / 1000);
- const days = Math.floor(totalSeconds / (3600 * 24));
- const hours = Math.floor((totalSeconds - days * 3600 * 24) / 3600);
- const minutes = Math.floor((totalSeconds - days * 3600 * 24 - hours * 3600) / 60);
- const seconds = totalSeconds - days * 3600 * 24 - hours * 3600 - minutes * 60;
- let result = '';
- if (days) {
- result += pad(days) + 'd:';
- }
- if (hours) {
- result += pad(hours) + 'h:';
- }
- result += pad(minutes) + 'm:' + pad(seconds) + 's';
- return result;
-}
-function pad(value) {
- if (value === 0) {
- return '00';
- }
- return value >= 10 ? value.toString() : '0' + value;
-}
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-async function exchangeToken({ url, body }, heartbeatServiceProvider) {
- const headers = {
- 'Content-Type': 'application/json'
- };
- // If heartbeat service exists, add heartbeat header string to the header.
- const heartbeatService = heartbeatServiceProvider.getImmediate({
- optional: true
- });
- if (heartbeatService) {
- const heartbeatsHeader = await heartbeatService.getHeartbeatsHeader();
- if (heartbeatsHeader) {
- headers['X-Firebase-Client'] = heartbeatsHeader;
- }
- }
- const options = {
- method: 'POST',
- body: JSON.stringify(body),
- headers
- };
- let response;
- try {
- response = await fetch(url, options);
- }
- catch (originalError) {
- throw ERROR_FACTORY.create("fetch-network-error" /* AppCheckError.FETCH_NETWORK_ERROR */, {
- originalErrorMessage: originalError?.message
- });
- }
- if (response.status !== 200) {
- throw ERROR_FACTORY.create("fetch-status-error" /* AppCheckError.FETCH_STATUS_ERROR */, {
- httpStatus: response.status
- });
- }
- let responseBody;
- try {
- // JSON parsing throws SyntaxError if the response body isn't a JSON string.
- responseBody = await response.json();
- }
- catch (originalError) {
- throw ERROR_FACTORY.create("fetch-parse-error" /* AppCheckError.FETCH_PARSE_ERROR */, {
- originalErrorMessage: originalError?.message
- });
- }
- // Protobuf duration format.
- // https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Duration
- const match = responseBody.ttl.match(/^([\d.]+)(s)$/);
- if (!match || !match[2] || isNaN(Number(match[1]))) {
- throw ERROR_FACTORY.create("fetch-parse-error" /* AppCheckError.FETCH_PARSE_ERROR */, {
- originalErrorMessage: `ttl field (timeToLive) is not in standard Protobuf Duration ` +
- `format: ${responseBody.ttl}`
- });
- }
- const timeToLiveAsNumber = Number(match[1]) * 1000;
- const now = Date.now();
- return {
- token: responseBody.token,
- expireTimeMillis: now + timeToLiveAsNumber,
- issuedAtTimeMillis: now
- };
-}
-function getExchangeRecaptchaV3TokenRequest(app, reCAPTCHAToken) {
- const { projectId, appId, apiKey } = app.options;
- return {
- url: `${BASE_ENDPOINT}/projects/${projectId}/apps/${appId}:${EXCHANGE_RECAPTCHA_TOKEN_METHOD}?key=${apiKey}`,
- body: {
- 'recaptcha_v3_token': reCAPTCHAToken
- }
- };
-}
-function getExchangeRecaptchaEnterpriseTokenRequest(app, reCAPTCHAToken) {
- const { projectId, appId, apiKey } = app.options;
- return {
- url: `${BASE_ENDPOINT}/projects/${projectId}/apps/${appId}:${EXCHANGE_RECAPTCHA_ENTERPRISE_TOKEN_METHOD}?key=${apiKey}`,
- body: {
- 'recaptcha_enterprise_token': reCAPTCHAToken
- }
- };
-}
-function getExchangeDebugTokenRequest(app, debugToken) {
- const { projectId, appId, apiKey } = app.options;
- return {
- url: `${BASE_ENDPOINT}/projects/${projectId}/apps/${appId}:${EXCHANGE_DEBUG_TOKEN_METHOD}?key=${apiKey}`,
- body: {
- // eslint-disable-next-line
- debug_token: debugToken
- }
- };
-}
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-const DB_NAME = 'firebase-app-check-database';
-const DB_VERSION = 1;
-const STORE_NAME = 'firebase-app-check-store';
-const DEBUG_TOKEN_KEY = 'debug-token';
-let dbPromise = null;
-function getDBPromise() {
- if (dbPromise) {
- return dbPromise;
- }
- dbPromise = new Promise((resolve, reject) => {
- try {
- const request = indexedDB.open(DB_NAME, DB_VERSION);
- request.onsuccess = event => {
- resolve(event.target.result);
- };
- request.onerror = event => {
- reject(ERROR_FACTORY.create("storage-open" /* AppCheckError.STORAGE_OPEN */, {
- originalErrorMessage: event.target.error?.message
- }));
- };
- request.onupgradeneeded = event => {
- const db = event.target.result;
- // We don't use 'break' in this switch statement, the fall-through
- // behavior is what we want, because if there are multiple versions between
- // the old version and the current version, we want ALL the migrations
- // that correspond to those versions to run, not only the last one.
- // eslint-disable-next-line default-case
- switch (event.oldVersion) {
- case 0:
- db.createObjectStore(STORE_NAME, {
- keyPath: 'compositeKey'
- });
- }
- };
- }
- catch (e) {
- reject(ERROR_FACTORY.create("storage-open" /* AppCheckError.STORAGE_OPEN */, {
- originalErrorMessage: e?.message
- }));
- }
- });
- return dbPromise;
-}
-function readTokenFromIndexedDB(app) {
- return read(computeKey(app));
-}
-function writeTokenToIndexedDB(app, token) {
- return write(computeKey(app), token);
-}
-function writeDebugTokenToIndexedDB(token) {
- return write(DEBUG_TOKEN_KEY, token);
-}
-function readDebugTokenFromIndexedDB() {
- return read(DEBUG_TOKEN_KEY);
-}
-async function write(key, value) {
- const db = await getDBPromise();
- const transaction = db.transaction(STORE_NAME, 'readwrite');
- const store = transaction.objectStore(STORE_NAME);
- const request = store.put({
- compositeKey: key,
- value
- });
- return new Promise((resolve, reject) => {
- request.onsuccess = _event => {
- resolve();
- };
- transaction.onerror = event => {
- reject(ERROR_FACTORY.create("storage-set" /* AppCheckError.STORAGE_WRITE */, {
- originalErrorMessage: event.target.error?.message
- }));
- };
- });
-}
-async function read(key) {
- const db = await getDBPromise();
- const transaction = db.transaction(STORE_NAME, 'readonly');
- const store = transaction.objectStore(STORE_NAME);
- const request = store.get(key);
- return new Promise((resolve, reject) => {
- request.onsuccess = event => {
- const result = event.target.result;
- if (result) {
- resolve(result.value);
- }
- else {
- resolve(undefined);
- }
- };
- transaction.onerror = event => {
- reject(ERROR_FACTORY.create("storage-get" /* AppCheckError.STORAGE_GET */, {
- originalErrorMessage: event.target.error?.message
- }));
- };
- });
-}
-function computeKey(app) {
- return `${app.options.appId}-${app.name}`;
-}
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-const logger = new logger$1.Logger('@firebase/app-check');
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * Always resolves. In case of an error reading from indexeddb, resolve with undefined
- */
-async function readTokenFromStorage(app) {
- if (util.isIndexedDBAvailable()) {
- let token = undefined;
- try {
- token = await readTokenFromIndexedDB(app);
- }
- catch (e) {
- // swallow the error and return undefined
- logger.warn(`Failed to read token from IndexedDB. Error: ${e}`);
- }
- return token;
- }
- return undefined;
-}
-/**
- * Always resolves. In case of an error writing to indexeddb, print a warning and resolve the promise
- */
-function writeTokenToStorage(app, token) {
- if (util.isIndexedDBAvailable()) {
- return writeTokenToIndexedDB(app, token).catch(e => {
- // swallow the error and resolve the promise
- logger.warn(`Failed to write token to IndexedDB. Error: ${e}`);
- });
- }
- return Promise.resolve();
-}
-async function readOrCreateDebugTokenFromStorage() {
- /**
- * Theoretically race condition can happen if we read, then write in 2 separate transactions.
- * But it won't happen here, because this function will be called exactly once.
- */
- let existingDebugToken = undefined;
- try {
- existingDebugToken = await readDebugTokenFromIndexedDB();
- }
- catch (_e) {
- // failed to read from indexeddb. We assume there is no existing debug token, and generate a new one.
- }
- if (!existingDebugToken) {
- // create a new debug token
- // This function is only available in secure contexts. See https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts
- const newToken = crypto.randomUUID();
- // We don't need to block on writing to indexeddb
- // In case persistence failed, a new debug token will be generated every time the page is refreshed.
- // It renders the debug token useless because you have to manually register(whitelist) the new token in the firebase console again and again.
- // If you see this error trying to use debug token, it probably means you are using a browser that doesn't support indexeddb.
- // You should switch to a different browser that supports indexeddb
- writeDebugTokenToIndexedDB(newToken).catch(e => logger.warn(`Failed to persist debug token to IndexedDB. Error: ${e}`));
- return newToken;
- }
- else {
- return existingDebugToken;
- }
-}
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-function isDebugMode() {
- const debugState = getDebugState();
- return debugState.enabled;
-}
-async function getDebugToken() {
- const state = getDebugState();
- if (state.enabled && state.token) {
- return state.token.promise;
- }
- else {
- // should not happen!
- throw Error(`
- Can't get debug token in production mode.
- `);
- }
-}
-function initializeDebugMode() {
- const globals = util.getGlobal();
- const debugState = getDebugState();
- // Set to true if this function has been called, whether or not
- // it enabled debug mode.
- debugState.initialized = true;
- if (typeof globals.FIREBASE_APPCHECK_DEBUG_TOKEN !== 'string' &&
- globals.FIREBASE_APPCHECK_DEBUG_TOKEN !== true) {
- return;
- }
- debugState.enabled = true;
- const deferredToken = new util.Deferred();
- debugState.token = deferredToken;
- if (typeof globals.FIREBASE_APPCHECK_DEBUG_TOKEN === 'string') {
- deferredToken.resolve(globals.FIREBASE_APPCHECK_DEBUG_TOKEN);
- }
- else {
- deferredToken.resolve(readOrCreateDebugTokenFromStorage());
- }
-}
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Initial hardcoded value agreed upon across platforms for initial launch.
-// Format left open for possible dynamic error values and other fields in the future.
-const defaultTokenErrorData = { error: 'UNKNOWN_ERROR' };
-/**
- * Stringify and base64 encode token error data.
- *
- * @param tokenError Error data, currently hardcoded.
- */
-function formatDummyToken(tokenErrorData) {
- return util.base64.encodeString(JSON.stringify(tokenErrorData),
- /* webSafe= */ false);
-}
-/**
- * This function always resolves.
- * The result will contain an error field if there is any error.
- * In case there is an error, the token field in the result will be populated with a dummy value
- */
-async function getToken$2(appCheck, forceRefresh = false, shouldLogErrors = false) {
- const app = appCheck.app;
- ensureActivated(app);
- const state = getStateReference(app);
- /**
- * First check if there is a token in memory from a previous `getToken()` call.
- */
- let token = state.token;
- let error = undefined;
- /**
- * If an invalid token was found in memory, clear token from
- * memory and unset the local variable `token`.
- */
- if (token && !isValid(token)) {
- state.token = undefined;
- token = undefined;
- }
- /**
- * If there is no valid token in memory, try to load token from indexedDB.
- */
- if (!token) {
- // cachedTokenPromise contains the token found in IndexedDB or undefined if not found.
- const cachedToken = await state.cachedTokenPromise;
- if (cachedToken) {
- if (isValid(cachedToken)) {
- token = cachedToken;
- }
- else {
- // If there was an invalid token in the indexedDB cache, clear it.
- await writeTokenToStorage(app, undefined);
- }
- }
- }
- // Return the cached token (from either memory or indexedDB) if it's valid
- if (!forceRefresh && token && isValid(token)) {
- return {
- token: token.token
- };
- }
- // Only set to true if this `getToken()` call is making the actual
- // REST call to the exchange endpoint, versus waiting for an already
- // in-flight call (see debug and regular exchange endpoint paths below)
- let shouldCallListeners = false;
- /**
- * DEBUG MODE
- * If debug mode is set, and there is no cached token, fetch a new App
- * Check token using the debug token, and return it directly.
- */
- if (isDebugMode()) {
- try {
- // Avoid making another call to the exchange endpoint if one is in flight.
- if (!state.exchangeTokenPromise) {
- state.exchangeTokenPromise = exchangeToken(getExchangeDebugTokenRequest(app, await getDebugToken()), appCheck.heartbeatServiceProvider).finally(() => {
- // Clear promise when settled - either resolved or rejected.
- state.exchangeTokenPromise = undefined;
- });
- shouldCallListeners = true;
- }
- const tokenFromDebugExchange = await state.exchangeTokenPromise;
- // Write debug token to indexedDB.
- await writeTokenToStorage(app, tokenFromDebugExchange);
- // Write debug token to state.
- state.token = tokenFromDebugExchange;
- return { token: tokenFromDebugExchange.token };
- }
- catch (e) {
- if (e.code === `appCheck/${"throttled" /* AppCheckError.THROTTLED */}` ||
- e.code ===
- `appCheck/${"initial-throttle" /* AppCheckError.INITIAL_THROTTLE */}`) {
- // Warn if throttled, but do not treat it as an error.
- logger.warn(e.message);
- }
- else if (shouldLogErrors) {
- logger.error(e);
- }
- // Return dummy token and error
- return makeDummyTokenResult(e);
- }
- }
- /**
- * There are no valid tokens in memory or indexedDB and we are not in
- * debug mode.
- * Request a new token from the exchange endpoint.
- */
- try {
- // Avoid making another call to the exchange endpoint if one is in flight.
- if (!state.exchangeTokenPromise) {
- // state.provider is populated in initializeAppCheck()
- // ensureActivated() at the top of this function checks that
- // initializeAppCheck() has been called.
- state.exchangeTokenPromise = state.provider.getToken().finally(() => {
- // Clear promise when settled - either resolved or rejected.
- state.exchangeTokenPromise = undefined;
- });
- shouldCallListeners = true;
- }
- token = await getStateReference(app).exchangeTokenPromise;
- }
- catch (e) {
- if (e.code === `appCheck/${"throttled" /* AppCheckError.THROTTLED */}` ||
- e.code === `appCheck/${"initial-throttle" /* AppCheckError.INITIAL_THROTTLE */}`) {
- // Warn if throttled, but do not treat it as an error.
- logger.warn(e.message);
- }
- else if (shouldLogErrors) {
- logger.error(e);
- }
- // Always save error to be added to dummy token.
- error = e;
- }
- let interopTokenResult;
- if (!token) {
- // If token is undefined, there must be an error.
- // Return a dummy token along with the error.
- interopTokenResult = makeDummyTokenResult(error);
- }
- else if (error) {
- if (isValid(token)) {
- // It's also possible a valid token exists, but there's also an error.
- // (Such as if the token is almost expired, tries to refresh, and
- // the exchange request fails.)
- // We add a special error property here so that the refresher will
- // count this as a failed attempt and use the backoff instead of
- // retrying repeatedly with no delay, but any 3P listeners will not
- // be hindered in getting the still-valid token.
- interopTokenResult = {
- token: token.token,
- internalError: error
- };
- }
- else {
- // No invalid tokens should make it to this step. Memory and cached tokens
- // are checked. Other tokens are from fresh exchanges. But just in case.
- interopTokenResult = makeDummyTokenResult(error);
- }
- }
- else {
- interopTokenResult = {
- token: token.token
- };
- // write the new token to the memory state as well as the persistent storage.
- // Only do it if we got a valid new token
- state.token = token;
- await writeTokenToStorage(app, token);
- }
- if (shouldCallListeners) {
- notifyTokenListeners(app, interopTokenResult);
- }
- return interopTokenResult;
-}
-/**
- * Internal API for limited use tokens. Skips all FAC state and simply calls
- * the underlying provider.
- */
-async function getLimitedUseToken$1(appCheck) {
- const app = appCheck.app;
- ensureActivated(app);
- const { provider } = getStateReference(app);
- if (isDebugMode()) {
- const debugToken = await getDebugToken();
- const { token } = await exchangeToken(getExchangeDebugTokenRequest(app, debugToken), appCheck.heartbeatServiceProvider);
- return { token };
- }
- else {
- // provider is definitely valid since we ensure AppCheck was activated
- const { token } = await provider.getToken();
- return { token };
- }
-}
-function addTokenListener(appCheck, type, listener, onError) {
- const { app } = appCheck;
- const state = getStateReference(app);
- const tokenObserver = {
- next: listener,
- error: onError,
- type
- };
- state.tokenObservers = [...state.tokenObservers, tokenObserver];
- // Invoke the listener async immediately if there is a valid token
- // in memory.
- if (state.token && isValid(state.token)) {
- const validToken = state.token;
- Promise.resolve()
- .then(() => {
- listener({ token: validToken.token });
- initTokenRefresher(appCheck);
- })
- .catch(() => {
- /* we don't care about exceptions thrown in listeners */
- });
- }
- /**
- * Wait for any cached token promise to resolve before starting the token
- * refresher. The refresher checks to see if there is an existing token
- * in state and calls the exchange endpoint if not. We should first let the
- * IndexedDB check have a chance to populate state if it can.
- *
- * Listener call isn't needed here because cachedTokenPromise will call any
- * listeners that exist when it resolves.
- */
- // state.cachedTokenPromise is always populated in `activate()`.
- void state.cachedTokenPromise.then(() => initTokenRefresher(appCheck));
-}
-function removeTokenListener(app, listener) {
- const state = getStateReference(app);
- const newObservers = state.tokenObservers.filter(tokenObserver => tokenObserver.next !== listener);
- if (newObservers.length === 0 &&
- state.tokenRefresher &&
- state.tokenRefresher.isRunning()) {
- state.tokenRefresher.stop();
- }
- state.tokenObservers = newObservers;
-}
-/**
- * Logic to create and start refresher as needed.
- */
-function initTokenRefresher(appCheck) {
- const { app } = appCheck;
- const state = getStateReference(app);
- // Create the refresher but don't start it if `isTokenAutoRefreshEnabled`
- // is not true.
- let refresher = state.tokenRefresher;
- if (!refresher) {
- refresher = createTokenRefresher(appCheck);
- state.tokenRefresher = refresher;
- }
- if (!refresher.isRunning() && state.isTokenAutoRefreshEnabled) {
- refresher.start();
- }
-}
-function createTokenRefresher(appCheck) {
- const { app } = appCheck;
- return new Refresher(
- // Keep in mind when this fails for any reason other than the ones
- // for which we should retry, it will effectively stop the proactive refresh.
- async () => {
- const state = getStateReference(app);
- // If there is no token, we will try to load it from storage and use it
- // If there is a token, we force refresh it because we know it's going to expire soon
- let result;
- if (!state.token) {
- result = await getToken$2(appCheck);
- }
- else {
- result = await getToken$2(appCheck, true);
- }
- /**
- * getToken() always resolves. In case the result has an error field defined, it means
- * the operation failed, and we should retry.
- */
- if (result.error) {
- throw result.error;
- }
- /**
- * A special `internalError` field reflects that there was an error
- * getting a new token from the exchange endpoint, but there's still a
- * previous token that's valid for now and this should be passed to 2P/3P
- * requests for a token. But we want this callback (`this.operation` in
- * `Refresher`) to throw in order to kick off the Refresher's retry
- * backoff. (Setting `hasSucceeded` to false.)
- */
- if (result.internalError) {
- throw result.internalError;
- }
- }, () => {
- return true;
- }, () => {
- const state = getStateReference(app);
- if (state.token) {
- // issuedAtTime + (50% * total TTL) + 5 minutes
- let nextRefreshTimeMillis = state.token.issuedAtTimeMillis +
- (state.token.expireTimeMillis - state.token.issuedAtTimeMillis) *
- 0.5 +
- 5 * 60 * 1000;
- // Do not allow refresh time to be past (expireTime - 5 minutes)
- const latestAllowableRefresh = state.token.expireTimeMillis - 5 * 60 * 1000;
- nextRefreshTimeMillis = Math.min(nextRefreshTimeMillis, latestAllowableRefresh);
- return Math.max(0, nextRefreshTimeMillis - Date.now());
- }
- else {
- return 0;
- }
- }, TOKEN_REFRESH_TIME.RETRIAL_MIN_WAIT, TOKEN_REFRESH_TIME.RETRIAL_MAX_WAIT);
-}
-function notifyTokenListeners(app, token) {
- const observers = getStateReference(app).tokenObservers;
- for (const observer of observers) {
- try {
- if (observer.type === "EXTERNAL" /* ListenerType.EXTERNAL */ && token.error != null) {
- // If this listener was added by a 3P call, send any token error to
- // the supplied error handler. A 3P observer always has an error
- // handler.
- observer.error(token.error);
- }
- else {
- // If the token has no error field, always return the token.
- // If this is a 2P listener, return the token, whether or not it
- // has an error field.
- observer.next(token);
- }
- }
- catch (e) {
- // Errors in the listener function itself are always ignored.
- }
- }
-}
-function isValid(token) {
- return token.expireTimeMillis - Date.now() > 0;
-}
-function makeDummyTokenResult(error) {
- return {
- token: formatDummyToken(defaultTokenErrorData),
- error
- };
-}
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * AppCheck Service class.
- */
-class AppCheckService {
- constructor(app, heartbeatServiceProvider) {
- this.app = app;
- this.heartbeatServiceProvider = heartbeatServiceProvider;
- }
- _delete() {
- const { tokenObservers } = getStateReference(this.app);
- for (const tokenObserver of tokenObservers) {
- removeTokenListener(this.app, tokenObserver.next);
- }
- return Promise.resolve();
- }
-}
-function factory(app, heartbeatServiceProvider) {
- return new AppCheckService(app, heartbeatServiceProvider);
-}
-function internalFactory(appCheck) {
- return {
- getToken: forceRefresh => getToken$2(appCheck, forceRefresh),
- getLimitedUseToken: () => getLimitedUseToken$1(appCheck),
- addTokenListener: listener => addTokenListener(appCheck, "INTERNAL" /* ListenerType.INTERNAL */, listener),
- removeTokenListener: listener => removeTokenListener(appCheck.app, listener)
- };
-}
-
-const name = "@firebase/app-check";
-const version = "0.11.0";
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-const RECAPTCHA_URL = 'https://www.google.com/recaptcha/api.js';
-const RECAPTCHA_ENTERPRISE_URL = 'https://www.google.com/recaptcha/enterprise.js';
-function initializeV3(app, siteKey) {
- const initialized = new util.Deferred();
- const state = getStateReference(app);
- state.reCAPTCHAState = { initialized };
- const divId = makeDiv(app);
- const grecaptcha = getRecaptcha(false);
- if (!grecaptcha) {
- loadReCAPTCHAV3Script(() => {
- const grecaptcha = getRecaptcha(false);
- if (!grecaptcha) {
- // it shouldn't happen.
- throw new Error('no recaptcha');
- }
- queueWidgetRender(app, siteKey, grecaptcha, divId, initialized);
- });
- }
- else {
- queueWidgetRender(app, siteKey, grecaptcha, divId, initialized);
- }
- return initialized.promise;
-}
-function initializeEnterprise(app, siteKey) {
- const initialized = new util.Deferred();
- const state = getStateReference(app);
- state.reCAPTCHAState = { initialized };
- const divId = makeDiv(app);
- const grecaptcha = getRecaptcha(true);
- if (!grecaptcha) {
- loadReCAPTCHAEnterpriseScript(() => {
- const grecaptcha = getRecaptcha(true);
- if (!grecaptcha) {
- // it shouldn't happen.
- throw new Error('no recaptcha');
- }
- queueWidgetRender(app, siteKey, grecaptcha, divId, initialized);
- });
- }
- else {
- queueWidgetRender(app, siteKey, grecaptcha, divId, initialized);
- }
- return initialized.promise;
-}
-/**
- * Add listener to render the widget and resolve the promise when
- * the grecaptcha.ready() event fires.
- */
-function queueWidgetRender(app, siteKey, grecaptcha, container, initialized) {
- grecaptcha.ready(() => {
- // Invisible widgets allow us to set a different siteKey for each widget,
- // so we use them to support multiple apps
- renderInvisibleWidget(app, siteKey, grecaptcha, container);
- initialized.resolve(grecaptcha);
- });
-}
-/**
- * Add invisible div to page.
- */
-function makeDiv(app) {
- const divId = `fire_app_check_${app.name}`;
- const invisibleDiv = document.createElement('div');
- invisibleDiv.id = divId;
- invisibleDiv.style.display = 'none';
- document.body.appendChild(invisibleDiv);
- return divId;
-}
-async function getToken$1(app) {
- ensureActivated(app);
- // ensureActivated() guarantees that reCAPTCHAState is set
- const reCAPTCHAState = getStateReference(app).reCAPTCHAState;
- const recaptcha = await reCAPTCHAState.initialized.promise;
- return new Promise((resolve, _reject) => {
- // Updated after initialization is complete.
- const reCAPTCHAState = getStateReference(app).reCAPTCHAState;
- recaptcha.ready(() => {
- resolve(
- // widgetId is guaranteed to be available if reCAPTCHAState.initialized.promise resolved.
- recaptcha.execute(reCAPTCHAState.widgetId, {
- action: 'fire_app_check'
- }));
- });
- });
-}
-/**
- *
- * @param app
- * @param container - Id of a HTML element.
- */
-function renderInvisibleWidget(app, siteKey, grecaptcha, container) {
- const widgetId = grecaptcha.render(container, {
- sitekey: siteKey,
- size: 'invisible',
- // Success callback - set state
- callback: () => {
- getStateReference(app).reCAPTCHAState.succeeded = true;
- },
- // Failure callback - set state
- 'error-callback': () => {
- getStateReference(app).reCAPTCHAState.succeeded = false;
- }
- });
- const state = getStateReference(app);
- state.reCAPTCHAState = {
- ...state.reCAPTCHAState, // state.reCAPTCHAState is set in the initialize()
- widgetId
- };
-}
-function loadReCAPTCHAV3Script(onload) {
- const script = document.createElement('script');
- script.src = RECAPTCHA_URL;
- script.onload = onload;
- document.head.appendChild(script);
-}
-function loadReCAPTCHAEnterpriseScript(onload) {
- const script = document.createElement('script');
- script.src = RECAPTCHA_ENTERPRISE_URL;
- script.onload = onload;
- document.head.appendChild(script);
-}
-
-/**
- * @license
- * Copyright 2021 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * App Check provider that can obtain a reCAPTCHA V3 token and exchange it
- * for an App Check token.
- *
- * @public
- */
-class ReCaptchaV3Provider {
- /**
- * Create a ReCaptchaV3Provider instance.
- * @param siteKey - ReCAPTCHA V3 siteKey.
- */
- constructor(_siteKey) {
- this._siteKey = _siteKey;
- /**
- * Throttle requests on certain error codes to prevent too many retries
- * in a short time.
- */
- this._throttleData = null;
- }
- /**
- * Returns an App Check token.
- * @internal
- */
- async getToken() {
- throwIfThrottled(this._throttleData);
- // Top-level `getToken()` has already checked that App Check is initialized
- // and therefore this._app and this._heartbeatServiceProvider are available.
- const attestedClaimsToken = await getToken$1(this._app).catch(_e => {
- // reCaptcha.execute() throws null which is not very descriptive.
- throw ERROR_FACTORY.create("recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */);
- });
- // Check if a failure state was set by the recaptcha "error-callback".
- if (!getStateReference(this._app).reCAPTCHAState?.succeeded) {
- throw ERROR_FACTORY.create("recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */);
- }
- let result;
- try {
- result = await exchangeToken(getExchangeRecaptchaV3TokenRequest(this._app, attestedClaimsToken), this._heartbeatServiceProvider);
- }
- catch (e) {
- if (e.code?.includes("fetch-status-error" /* AppCheckError.FETCH_STATUS_ERROR */)) {
- this._throttleData = setBackoff(Number(e.customData?.httpStatus), this._throttleData);
- throw ERROR_FACTORY.create("initial-throttle" /* AppCheckError.INITIAL_THROTTLE */, {
- time: getDurationString(this._throttleData.allowRequestsAfter - Date.now()),
- httpStatus: this._throttleData.httpStatus
- });
- }
- else {
- throw e;
- }
- }
- // If successful, clear throttle data.
- this._throttleData = null;
- return result;
- }
- /**
- * @internal
- */
- initialize(app$1) {
- this._app = app$1;
- this._heartbeatServiceProvider = app._getProvider(app$1, 'heartbeat');
- initializeV3(app$1, this._siteKey).catch(() => {
- /* we don't care about the initialization result */
- });
- }
- /**
- * @internal
- */
- isEqual(otherProvider) {
- if (otherProvider instanceof ReCaptchaV3Provider) {
- return this._siteKey === otherProvider._siteKey;
- }
- else {
- return false;
- }
- }
-}
-/**
- * App Check provider that can obtain a reCAPTCHA Enterprise token and exchange it
- * for an App Check token.
- *
- * @public
- */
-class ReCaptchaEnterpriseProvider {
- /**
- * Create a ReCaptchaEnterpriseProvider instance.
- * @param siteKey - reCAPTCHA Enterprise score-based site key.
- */
- constructor(_siteKey) {
- this._siteKey = _siteKey;
- /**
- * Throttle requests on certain error codes to prevent too many retries
- * in a short time.
- */
- this._throttleData = null;
- }
- /**
- * Returns an App Check token.
- * @internal
- */
- async getToken() {
- throwIfThrottled(this._throttleData);
- // Top-level `getToken()` has already checked that App Check is initialized
- // and therefore this._app and this._heartbeatServiceProvider are available.
- const attestedClaimsToken = await getToken$1(this._app).catch(_e => {
- // reCaptcha.execute() throws null which is not very descriptive.
- throw ERROR_FACTORY.create("recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */);
- });
- // Check if a failure state was set by the recaptcha "error-callback".
- if (!getStateReference(this._app).reCAPTCHAState?.succeeded) {
- throw ERROR_FACTORY.create("recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */);
- }
- let result;
- try {
- result = await exchangeToken(getExchangeRecaptchaEnterpriseTokenRequest(this._app, attestedClaimsToken), this._heartbeatServiceProvider);
- }
- catch (e) {
- if (e.code?.includes("fetch-status-error" /* AppCheckError.FETCH_STATUS_ERROR */)) {
- this._throttleData = setBackoff(Number(e.customData?.httpStatus), this._throttleData);
- throw ERROR_FACTORY.create("initial-throttle" /* AppCheckError.INITIAL_THROTTLE */, {
- time: getDurationString(this._throttleData.allowRequestsAfter - Date.now()),
- httpStatus: this._throttleData.httpStatus
- });
- }
- else {
- throw e;
- }
- }
- // If successful, clear throttle data.
- this._throttleData = null;
- return result;
- }
- /**
- * @internal
- */
- initialize(app$1) {
- this._app = app$1;
- this._heartbeatServiceProvider = app._getProvider(app$1, 'heartbeat');
- initializeEnterprise(app$1, this._siteKey).catch(() => {
- /* we don't care about the initialization result */
- });
- }
- /**
- * @internal
- */
- isEqual(otherProvider) {
- if (otherProvider instanceof ReCaptchaEnterpriseProvider) {
- return this._siteKey === otherProvider._siteKey;
- }
- else {
- return false;
- }
- }
-}
-/**
- * Custom provider class.
- * @public
- */
-class CustomProvider {
- constructor(_customProviderOptions) {
- this._customProviderOptions = _customProviderOptions;
- }
- /**
- * @internal
- */
- async getToken() {
- // custom provider
- const customToken = await this._customProviderOptions.getToken();
- // Try to extract IAT from custom token, in case this token is not
- // being newly issued. JWT timestamps are in seconds since epoch.
- const issuedAtTimeSeconds = util.issuedAtTime(customToken.token);
- // Very basic validation, use current timestamp as IAT if JWT
- // has no `iat` field or value is out of bounds.
- const issuedAtTimeMillis = issuedAtTimeSeconds !== null &&
- issuedAtTimeSeconds < Date.now() &&
- issuedAtTimeSeconds > 0
- ? issuedAtTimeSeconds * 1000
- : Date.now();
- return { ...customToken, issuedAtTimeMillis };
- }
- /**
- * @internal
- */
- initialize(app) {
- this._app = app;
- }
- /**
- * @internal
- */
- isEqual(otherProvider) {
- if (otherProvider instanceof CustomProvider) {
- return (this._customProviderOptions.getToken.toString() ===
- otherProvider._customProviderOptions.getToken.toString());
- }
- else {
- return false;
- }
- }
-}
-/**
- * Set throttle data to block requests until after a certain time
- * depending on the failed request's status code.
- * @param httpStatus - Status code of failed request.
- * @param throttleData - `ThrottleData` object containing previous throttle
- * data state.
- * @returns Data about current throttle state and expiration time.
- */
-function setBackoff(httpStatus, throttleData) {
- /**
- * Block retries for 1 day for the following error codes:
- *
- * 404: Likely malformed URL.
- *
- * 403:
- * - Attestation failed
- * - Wrong API key
- * - Project deleted
- */
- if (httpStatus === 404 || httpStatus === 403) {
- return {
- backoffCount: 1,
- allowRequestsAfter: Date.now() + ONE_DAY,
- httpStatus
- };
- }
- else {
- /**
- * For all other error codes, the time when it is ok to retry again
- * is based on exponential backoff.
- */
- const backoffCount = throttleData ? throttleData.backoffCount : 0;
- const backoffMillis = util.calculateBackoffMillis(backoffCount, 1000, 2);
- return {
- backoffCount: backoffCount + 1,
- allowRequestsAfter: Date.now() + backoffMillis,
- httpStatus
- };
- }
-}
-function throwIfThrottled(throttleData) {
- if (throttleData) {
- if (Date.now() - throttleData.allowRequestsAfter <= 0) {
- // If before, throw.
- throw ERROR_FACTORY.create("throttled" /* AppCheckError.THROTTLED */, {
- time: getDurationString(throttleData.allowRequestsAfter - Date.now()),
- httpStatus: throttleData.httpStatus
- });
- }
- }
-}
-
-/**
- * @license
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * Activate App Check for the given app. Can be called only once per app.
- * @param app - the {@link @firebase/app#FirebaseApp} to activate App Check for
- * @param options - App Check initialization options
- * @public
- */
-function initializeAppCheck(app$1 = app.getApp(), options) {
- app$1 = util.getModularInstance(app$1);
- const provider = app._getProvider(app$1, 'app-check');
- // Ensure initializeDebugMode() is only called once.
- if (!getDebugState().initialized) {
- initializeDebugMode();
- }
- // Log a message containing the debug token when `initializeAppCheck()`
- // is called in debug mode.
- if (isDebugMode()) {
- // Do not block initialization to get the token for the message.
- void getDebugToken().then(token =>
- // Not using logger because I don't think we ever want this accidentally hidden.
- console.log(`App Check debug token: ${token}. You will need to add it to your app's App Check settings in the Firebase console for it to work.`));
- }
- if (provider.isInitialized()) {
- const existingInstance = provider.getImmediate();
- const initialOptions = provider.getOptions();
- if (initialOptions.isTokenAutoRefreshEnabled ===
- options.isTokenAutoRefreshEnabled &&
- initialOptions.provider.isEqual(options.provider)) {
- return existingInstance;
- }
- else {
- throw ERROR_FACTORY.create("already-initialized" /* AppCheckError.ALREADY_INITIALIZED */, {
- appName: app$1.name
- });
- }
- }
- const appCheck = provider.initialize({ options });
- _activate(app$1, options.provider, options.isTokenAutoRefreshEnabled);
- // If isTokenAutoRefreshEnabled is false, do not send any requests to the
- // exchange endpoint without an explicit call from the user either directly
- // or through another Firebase library (storage, functions, etc.)
- if (getStateReference(app$1).isTokenAutoRefreshEnabled) {
- // Adding a listener will start the refresher and fetch a token if needed.
- // This gets a token ready and prevents a delay when an internal library
- // requests the token.
- // Listener function does not need to do anything, its base functionality
- // of calling getToken() already fetches token and writes it to memory/storage.
- addTokenListener(appCheck, "INTERNAL" /* ListenerType.INTERNAL */, () => { });
- }
- return appCheck;
-}
-/**
- * Activate App Check
- * @param app - Firebase app to activate App Check for.
- * @param provider - reCAPTCHA v3 provider or
- * custom token provider.
- * @param isTokenAutoRefreshEnabled - If true, the SDK automatically
- * refreshes App Check tokens as needed. If undefined, defaults to the
- * value of `app.automaticDataCollectionEnabled`, which defaults to
- * false and can be set in the app config.
- */
-function _activate(app, provider, isTokenAutoRefreshEnabled = false) {
- // Create an entry in the APP_CHECK_STATES map. Further changes should
- // directly mutate this object.
- const state = setInitialState(app, { ...DEFAULT_STATE });
- state.activated = true;
- state.provider = provider; // Read cached token from storage if it exists and store it in memory.
- state.cachedTokenPromise = readTokenFromStorage(app).then(cachedToken => {
- if (cachedToken && isValid(cachedToken)) {
- state.token = cachedToken;
- // notify all listeners with the cached token
- notifyTokenListeners(app, { token: cachedToken.token });
- }
- return cachedToken;
- });
- // Global `automaticDataCollectionEnabled` (defaults to true) and
- // `isTokenAutoRefreshEnabled` must both be true.
- state.isTokenAutoRefreshEnabled =
- isTokenAutoRefreshEnabled && app.automaticDataCollectionEnabled;
- if (!app.automaticDataCollectionEnabled && isTokenAutoRefreshEnabled) {
- logger.warn('`isTokenAutoRefreshEnabled` is true but ' +
- '`automaticDataCollectionEnabled` was set to false during' +
- ' `initializeApp()`. This blocks automatic token refresh.');
- }
- state.provider.initialize(app);
-}
-/**
- * Set whether App Check will automatically refresh tokens as needed.
- *
- * @param appCheckInstance - The App Check service instance.
- * @param isTokenAutoRefreshEnabled - If true, the SDK automatically
- * refreshes App Check tokens as needed. This overrides any value set
- * during `initializeAppCheck()`.
- * @public
- */
-function setTokenAutoRefreshEnabled(appCheckInstance, isTokenAutoRefreshEnabled) {
- const app = appCheckInstance.app;
- const state = getStateReference(app);
- // This will exist if any product libraries have called
- // `addTokenListener()`
- if (state.tokenRefresher) {
- if (isTokenAutoRefreshEnabled === true) {
- state.tokenRefresher.start();
- }
- else {
- state.tokenRefresher.stop();
- }
- }
- state.isTokenAutoRefreshEnabled = isTokenAutoRefreshEnabled;
-}
-/**
- * Get the current App Check token. If `forceRefresh` is false, this function first
- * checks for a valid token in memory, then local persistence (IndexedDB).
- * If not found, or if `forceRefresh` is true, it makes a request to the
- * App Check endpoint for a fresh token. That request attaches
- * to the most recent in-flight request if one is present.
- *
- * @param appCheckInstance - The App Check service instance.
- * @param forceRefresh - If true, will always try to fetch a fresh token.
- * If false, will use a cached token if found in storage.
- * @public
- */
-async function getToken(appCheckInstance, forceRefresh) {
- const result = await getToken$2(appCheckInstance, forceRefresh);
- if (result.error) {
- throw result.error;
- }
- if (result.internalError) {
- throw result.internalError;
- }
- return { token: result.token };
-}
-/**
- * Requests a Firebase App Check token. This method should be used
- * only if you need to authorize requests to a non-Firebase backend.
- *
- * Returns limited-use tokens that are intended for use with your
- * non-Firebase backend endpoints that are protected with
- * <a href="https://firebase.google.com/docs/app-check/custom-resource-backend#replay-protection">
- * Replay Protection</a>. This method
- * does not affect the token generation behavior of the
- * #getAppCheckToken() method.
- *
- * @param appCheckInstance - The App Check service instance.
- * @returns The limited use token.
- * @public
- */
-function getLimitedUseToken(appCheckInstance) {
- return getLimitedUseToken$1(appCheckInstance);
-}
-/**
- * Wraps `addTokenListener`/`removeTokenListener` methods in an `Observer`
- * pattern for public use.
- */
-function onTokenChanged(appCheckInstance, onNextOrObserver, onError,
-/**
- * NOTE: Although an `onCompletion` callback can be provided, it will
- * never be called because the token stream is never-ending.
- * It is added only for API consistency with the observer pattern, which
- * we follow in JS APIs.
- */
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-onCompletion) {
- let nextFn = () => { };
- let errorFn = () => { };
- if (onNextOrObserver.next != null) {
- nextFn = onNextOrObserver.next.bind(onNextOrObserver);
- }
- else {
- nextFn = onNextOrObserver;
- }
- if (onNextOrObserver.error != null) {
- errorFn = onNextOrObserver.error.bind(onNextOrObserver);
- }
- else if (onError) {
- errorFn = onError;
- }
- addTokenListener(appCheckInstance, "EXTERNAL" /* ListenerType.EXTERNAL */, nextFn, errorFn);
- return () => removeTokenListener(appCheckInstance.app, nextFn);
-}
-
-/**
- * The Firebase App Check Web SDK.
- *
- * @remarks
- * Firebase App Check does not work in a Node.js environment using `ReCaptchaV3Provider` or
- * `ReCaptchaEnterpriseProvider`, but can be used in Node.js if you use
- * `CustomProvider` and write your own attestation method.
- *
- * @packageDocumentation
- */
-const APP_CHECK_NAME = 'app-check';
-const APP_CHECK_NAME_INTERNAL = 'app-check-internal';
-function registerAppCheck() {
- // The public interface
- app._registerComponent(new component.Component(APP_CHECK_NAME, container => {
- // getImmediate for FirebaseApp will always succeed
- const app = container.getProvider('app').getImmediate();
- const heartbeatServiceProvider = container.getProvider('heartbeat');
- return factory(app, heartbeatServiceProvider);
- }, "PUBLIC" /* ComponentType.PUBLIC */)
- .setInstantiationMode("EXPLICIT" /* InstantiationMode.EXPLICIT */)
- /**
- * Initialize app-check-internal after app-check is initialized to make AppCheck available to
- * other Firebase SDKs
- */
- .setInstanceCreatedCallback((container, _identifier, _appcheckService) => {
- container.getProvider(APP_CHECK_NAME_INTERNAL).initialize();
- }));
- // The internal interface used by other Firebase products
- app._registerComponent(new component.Component(APP_CHECK_NAME_INTERNAL, container => {
- const appCheck = container.getProvider('app-check').getImmediate();
- return internalFactory(appCheck);
- }, "PUBLIC" /* ComponentType.PUBLIC */).setInstantiationMode("EXPLICIT" /* InstantiationMode.EXPLICIT */));
- app.registerVersion(name, version);
-}
-registerAppCheck();
-
-exports.CustomProvider = CustomProvider;
-exports.ReCaptchaEnterpriseProvider = ReCaptchaEnterpriseProvider;
-exports.ReCaptchaV3Provider = ReCaptchaV3Provider;
-exports.getLimitedUseToken = getLimitedUseToken;
-exports.getToken = getToken;
-exports.initializeAppCheck = initializeAppCheck;
-exports.onTokenChanged = onTokenChanged;
-exports.setTokenAutoRefreshEnabled = setTokenAutoRefreshEnabled;
-//# sourceMappingURL=index.cjs.js.map