mobileapplicationPassvault/node_modules/@firebase/app-check/dist/esm/index.esm.js

1844 lines
77 KiB
JavaScript

import { _getProvider, getApp, _registerComponent, registerVersion } from '@firebase/app';
import { Component } from '@firebase/component';
import { __assign, __awaiter, __generator, __spreadArray } from 'tslib';
import { Deferred, ErrorFactory, isIndexedDBAvailable, uuidv4, getGlobal, base64, issuedAtTime, calculateBackoffMillis, getModularInstance } from '@firebase/util';
import { Logger } from '@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.
*/
var APP_CHECK_STATES = new Map();
var DEFAULT_STATE = {
activated: false,
tokenObservers: []
};
var DEBUG_STATE = {
initialized: false,
enabled: false
};
/**
* Gets a reference to the state object.
*/
function getStateReference(app) {
return APP_CHECK_STATES.get(app) || __assign({}, 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.
*/
var BASE_ENDPOINT = 'https://content-firebaseappcheck.googleapis.com/v1';
var EXCHANGE_RECAPTCHA_TOKEN_METHOD = 'exchangeRecaptchaV3Token';
var EXCHANGE_RECAPTCHA_ENTERPRISE_TOKEN_METHOD = 'exchangeRecaptchaEnterpriseToken';
var EXCHANGE_DEBUG_TOKEN_METHOD = 'exchangeDebugToken';
var 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.
*/
var 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
var Refresher = /** @class */ (function () {
function Refresher(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!');
}
}
Refresher.prototype.start = function () {
this.nextErrorWaitInterval = this.lowerBound;
this.process(true).catch(function () {
/* we don't care about the result */
});
};
Refresher.prototype.stop = function () {
if (this.pending) {
this.pending.reject('cancelled');
this.pending = null;
}
};
Refresher.prototype.isRunning = function () {
return !!this.pending;
};
Refresher.prototype.process = function (hasSucceeded) {
return __awaiter(this, void 0, void 0, function () {
var error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
this.stop();
_a.label = 1;
case 1:
_a.trys.push([1, 6, , 7]);
this.pending = new Deferred();
this.pending.promise.catch(function (_e) {
/* ignore */
});
return [4 /*yield*/, sleep(this.getNextRun(hasSucceeded))];
case 2:
_a.sent();
// 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();
return [4 /*yield*/, this.pending.promise];
case 3:
_a.sent();
this.pending = new Deferred();
this.pending.promise.catch(function (_e) {
/* ignore */
});
return [4 /*yield*/, this.operation()];
case 4:
_a.sent();
this.pending.resolve();
return [4 /*yield*/, this.pending.promise];
case 5:
_a.sent();
this.process(true).catch(function () {
/* we don't care about the result */
});
return [3 /*break*/, 7];
case 6:
error_1 = _a.sent();
if (this.retryPolicy(error_1)) {
this.process(false).catch(function () {
/* we don't care about the result */
});
}
else {
this.stop();
}
return [3 /*break*/, 7];
case 7: return [2 /*return*/];
}
});
});
};
Refresher.prototype.getNextRun = function (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.
var 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;
}
};
return Refresher;
}());
function sleep(ms) {
return new Promise(function (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.
*/
var _a;
var ERRORS = (_a = {},
_a["already-initialized" /* AppCheckError.ALREADY_INITIALIZED */] = 'You have already called initializeAppCheck() for FirebaseApp {$appName} with ' +
'different options. To avoid this error, call initializeAppCheck() with the ' +
'same options as when it was originally called. This will return the ' +
'already initialized instance.',
_a["use-before-activation" /* AppCheckError.USE_BEFORE_ACTIVATION */] = 'App Check is being used before initializeAppCheck() is called for FirebaseApp {$appName}. ' +
'Call initializeAppCheck() before instantiating other Firebase services.',
_a["fetch-network-error" /* AppCheckError.FETCH_NETWORK_ERROR */] = 'Fetch failed to connect to a network. Check Internet connection. ' +
'Original error: {$originalErrorMessage}.',
_a["fetch-parse-error" /* AppCheckError.FETCH_PARSE_ERROR */] = 'Fetch client could not parse response.' +
' Original error: {$originalErrorMessage}.',
_a["fetch-status-error" /* AppCheckError.FETCH_STATUS_ERROR */] = 'Fetch server returned an HTTP error status. HTTP status: {$httpStatus}.',
_a["storage-open" /* AppCheckError.STORAGE_OPEN */] = 'Error thrown when opening storage. Original error: {$originalErrorMessage}.',
_a["storage-get" /* AppCheckError.STORAGE_GET */] = 'Error thrown when reading from storage. Original error: {$originalErrorMessage}.',
_a["storage-set" /* AppCheckError.STORAGE_WRITE */] = 'Error thrown when writing to storage. Original error: {$originalErrorMessage}.',
_a["recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */] = 'ReCAPTCHA error.',
_a["throttled" /* AppCheckError.THROTTLED */] = "Requests throttled due to {$httpStatus} error. Attempts allowed again after {$time}",
_a);
var ERROR_FACTORY = new 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) {
var _a;
if (isEnterprise === void 0) { isEnterprise = false; }
if (isEnterprise) {
return (_a = self.grecaptcha) === null || _a === void 0 ? void 0 : _a.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) {
var totalSeconds = Math.round(durationInMillis / 1000);
var days = Math.floor(totalSeconds / (3600 * 24));
var hours = Math.floor((totalSeconds - days * 3600 * 24) / 3600);
var minutes = Math.floor((totalSeconds - days * 3600 * 24 - hours * 3600) / 60);
var seconds = totalSeconds - days * 3600 * 24 - hours * 3600 - minutes * 60;
var 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.
*/
function exchangeToken(_a, heartbeatServiceProvider) {
var url = _a.url, body = _a.body;
return __awaiter(this, void 0, void 0, function () {
var headers, heartbeatService, heartbeatsHeader, options, response, originalError_1, responseBody, originalError_2, match, timeToLiveAsNumber, now;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
headers = {
'Content-Type': 'application/json'
};
heartbeatService = heartbeatServiceProvider.getImmediate({
optional: true
});
if (!heartbeatService) return [3 /*break*/, 2];
return [4 /*yield*/, heartbeatService.getHeartbeatsHeader()];
case 1:
heartbeatsHeader = _b.sent();
if (heartbeatsHeader) {
headers['X-Firebase-Client'] = heartbeatsHeader;
}
_b.label = 2;
case 2:
options = {
method: 'POST',
body: JSON.stringify(body),
headers: headers
};
_b.label = 3;
case 3:
_b.trys.push([3, 5, , 6]);
return [4 /*yield*/, fetch(url, options)];
case 4:
response = _b.sent();
return [3 /*break*/, 6];
case 5:
originalError_1 = _b.sent();
throw ERROR_FACTORY.create("fetch-network-error" /* AppCheckError.FETCH_NETWORK_ERROR */, {
originalErrorMessage: originalError_1 === null || originalError_1 === void 0 ? void 0 : originalError_1.message
});
case 6:
if (response.status !== 200) {
throw ERROR_FACTORY.create("fetch-status-error" /* AppCheckError.FETCH_STATUS_ERROR */, {
httpStatus: response.status
});
}
_b.label = 7;
case 7:
_b.trys.push([7, 9, , 10]);
return [4 /*yield*/, response.json()];
case 8:
// JSON parsing throws SyntaxError if the response body isn't a JSON string.
responseBody = _b.sent();
return [3 /*break*/, 10];
case 9:
originalError_2 = _b.sent();
throw ERROR_FACTORY.create("fetch-parse-error" /* AppCheckError.FETCH_PARSE_ERROR */, {
originalErrorMessage: originalError_2 === null || originalError_2 === void 0 ? void 0 : originalError_2.message
});
case 10:
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: ".concat(responseBody.ttl)
});
}
timeToLiveAsNumber = Number(match[1]) * 1000;
now = Date.now();
return [2 /*return*/, {
token: responseBody.token,
expireTimeMillis: now + timeToLiveAsNumber,
issuedAtTimeMillis: now
}];
}
});
});
}
function getExchangeRecaptchaV3TokenRequest(app, reCAPTCHAToken) {
var _a = app.options, projectId = _a.projectId, appId = _a.appId, apiKey = _a.apiKey;
return {
url: "".concat(BASE_ENDPOINT, "/projects/").concat(projectId, "/apps/").concat(appId, ":").concat(EXCHANGE_RECAPTCHA_TOKEN_METHOD, "?key=").concat(apiKey),
body: {
'recaptcha_v3_token': reCAPTCHAToken
}
};
}
function getExchangeRecaptchaEnterpriseTokenRequest(app, reCAPTCHAToken) {
var _a = app.options, projectId = _a.projectId, appId = _a.appId, apiKey = _a.apiKey;
return {
url: "".concat(BASE_ENDPOINT, "/projects/").concat(projectId, "/apps/").concat(appId, ":").concat(EXCHANGE_RECAPTCHA_ENTERPRISE_TOKEN_METHOD, "?key=").concat(apiKey),
body: {
'recaptcha_enterprise_token': reCAPTCHAToken
}
};
}
function getExchangeDebugTokenRequest(app, debugToken) {
var _a = app.options, projectId = _a.projectId, appId = _a.appId, apiKey = _a.apiKey;
return {
url: "".concat(BASE_ENDPOINT, "/projects/").concat(projectId, "/apps/").concat(appId, ":").concat(EXCHANGE_DEBUG_TOKEN_METHOD, "?key=").concat(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.
*/
var DB_NAME = 'firebase-app-check-database';
var DB_VERSION = 1;
var STORE_NAME = 'firebase-app-check-store';
var DEBUG_TOKEN_KEY = 'debug-token';
var dbPromise = null;
function getDBPromise() {
if (dbPromise) {
return dbPromise;
}
dbPromise = new Promise(function (resolve, reject) {
try {
var request = indexedDB.open(DB_NAME, DB_VERSION);
request.onsuccess = function (event) {
resolve(event.target.result);
};
request.onerror = function (event) {
var _a;
reject(ERROR_FACTORY.create("storage-open" /* AppCheckError.STORAGE_OPEN */, {
originalErrorMessage: (_a = event.target.error) === null || _a === void 0 ? void 0 : _a.message
}));
};
request.onupgradeneeded = function (event) {
var 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 === null || e === void 0 ? void 0 : 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);
}
function write(key, value) {
return __awaiter(this, void 0, void 0, function () {
var db, transaction, store, request;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, getDBPromise()];
case 1:
db = _a.sent();
transaction = db.transaction(STORE_NAME, 'readwrite');
store = transaction.objectStore(STORE_NAME);
request = store.put({
compositeKey: key,
value: value
});
return [2 /*return*/, new Promise(function (resolve, reject) {
request.onsuccess = function (_event) {
resolve();
};
transaction.onerror = function (event) {
var _a;
reject(ERROR_FACTORY.create("storage-set" /* AppCheckError.STORAGE_WRITE */, {
originalErrorMessage: (_a = event.target.error) === null || _a === void 0 ? void 0 : _a.message
}));
};
})];
}
});
});
}
function read(key) {
return __awaiter(this, void 0, void 0, function () {
var db, transaction, store, request;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, getDBPromise()];
case 1:
db = _a.sent();
transaction = db.transaction(STORE_NAME, 'readonly');
store = transaction.objectStore(STORE_NAME);
request = store.get(key);
return [2 /*return*/, new Promise(function (resolve, reject) {
request.onsuccess = function (event) {
var result = event.target.result;
if (result) {
resolve(result.value);
}
else {
resolve(undefined);
}
};
transaction.onerror = function (event) {
var _a;
reject(ERROR_FACTORY.create("storage-get" /* AppCheckError.STORAGE_GET */, {
originalErrorMessage: (_a = event.target.error) === null || _a === void 0 ? void 0 : _a.message
}));
};
})];
}
});
});
}
function computeKey(app) {
return "".concat(app.options.appId, "-").concat(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.
*/
var logger = new 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
*/
function readTokenFromStorage(app) {
return __awaiter(this, void 0, void 0, function () {
var token, e_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!isIndexedDBAvailable()) return [3 /*break*/, 5];
token = undefined;
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, readTokenFromIndexedDB(app)];
case 2:
token = _a.sent();
return [3 /*break*/, 4];
case 3:
e_1 = _a.sent();
// swallow the error and return undefined
logger.warn("Failed to read token from IndexedDB. Error: ".concat(e_1));
return [3 /*break*/, 4];
case 4: return [2 /*return*/, token];
case 5: return [2 /*return*/, undefined];
}
});
});
}
/**
* Always resolves. In case of an error writing to indexeddb, print a warning and resolve the promise
*/
function writeTokenToStorage(app, token) {
if (isIndexedDBAvailable()) {
return writeTokenToIndexedDB(app, token).catch(function (e) {
// swallow the error and resolve the promise
logger.warn("Failed to write token to IndexedDB. Error: ".concat(e));
});
}
return Promise.resolve();
}
function readOrCreateDebugTokenFromStorage() {
return __awaiter(this, void 0, void 0, function () {
var existingDebugToken, newToken;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
existingDebugToken = undefined;
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, readDebugTokenFromIndexedDB()];
case 2:
existingDebugToken = _a.sent();
return [3 /*break*/, 4];
case 3:
_a.sent();
return [3 /*break*/, 4];
case 4:
if (!existingDebugToken) {
newToken = uuidv4();
// We don't need to block on writing to indexeddb
// In case persistence failed, a new debug token will be generated everytime 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(function (e) {
return logger.warn("Failed to persist debug token to IndexedDB. Error: ".concat(e));
});
return [2 /*return*/, newToken];
}
else {
return [2 /*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() {
var debugState = getDebugState();
return debugState.enabled;
}
function getDebugToken() {
return __awaiter(this, void 0, void 0, function () {
var state;
return __generator(this, function (_a) {
state = getDebugState();
if (state.enabled && state.token) {
return [2 /*return*/, state.token.promise];
}
else {
// should not happen!
throw Error("\n Can't get debug token in production mode.\n ");
}
});
});
}
function initializeDebugMode() {
var globals = getGlobal();
var 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;
var deferredToken = new 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.
var defaultTokenErrorData = { error: 'UNKNOWN_ERROR' };
/**
* Stringify and base64 encode token error data.
*
* @param tokenError Error data, currently hardcoded.
*/
function formatDummyToken(tokenErrorData) {
return 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
*/
function getToken$2(appCheck, forceRefresh) {
if (forceRefresh === void 0) { forceRefresh = false; }
return __awaiter(this, void 0, void 0, function () {
var app, state, token, error, cachedToken, shouldCallListeners, _a, _b, _c, _d, tokenFromDebugExchange, e_1, interopTokenResult;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
app = appCheck.app;
ensureActivated(app);
state = getStateReference(app);
token = state.token;
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 (!!token) return [3 /*break*/, 4];
return [4 /*yield*/, state.cachedTokenPromise];
case 1:
cachedToken = _e.sent();
if (!cachedToken) return [3 /*break*/, 4];
if (!isValid(cachedToken)) return [3 /*break*/, 2];
token = cachedToken;
return [3 /*break*/, 4];
case 2:
// If there was an invalid token in the indexedDB cache, clear it.
return [4 /*yield*/, writeTokenToStorage(app, undefined)];
case 3:
// If there was an invalid token in the indexedDB cache, clear it.
_e.sent();
_e.label = 4;
case 4:
// Return the cached token (from either memory or indexedDB) if it's valid
if (!forceRefresh && token && isValid(token)) {
return [2 /*return*/, {
token: token.token
}];
}
shouldCallListeners = false;
if (!isDebugMode()) return [3 /*break*/, 9];
if (!!state.exchangeTokenPromise) return [3 /*break*/, 6];
_a = state;
_b = exchangeToken;
_c = getExchangeDebugTokenRequest;
_d = [app];
return [4 /*yield*/, getDebugToken()];
case 5:
_a.exchangeTokenPromise = _b.apply(void 0, [_c.apply(void 0, _d.concat([_e.sent()])),
appCheck.heartbeatServiceProvider]).finally(function () {
// Clear promise when settled - either resolved or rejected.
state.exchangeTokenPromise = undefined;
});
shouldCallListeners = true;
_e.label = 6;
case 6: return [4 /*yield*/, state.exchangeTokenPromise];
case 7:
tokenFromDebugExchange = _e.sent();
// Write debug token to indexedDB.
return [4 /*yield*/, writeTokenToStorage(app, tokenFromDebugExchange)];
case 8:
// Write debug token to indexedDB.
_e.sent();
// Write debug token to state.
state.token = tokenFromDebugExchange;
return [2 /*return*/, { token: tokenFromDebugExchange.token }];
case 9:
_e.trys.push([9, 11, , 12]);
// 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(function () {
// Clear promise when settled - either resolved or rejected.
state.exchangeTokenPromise = undefined;
});
shouldCallListeners = true;
}
return [4 /*yield*/, getStateReference(app).exchangeTokenPromise];
case 10:
token = _e.sent();
return [3 /*break*/, 12];
case 11:
e_1 = _e.sent();
if (e_1.code === "appCheck/".concat("throttled" /* AppCheckError.THROTTLED */)) {
// Warn if throttled, but do not treat it as an error.
logger.warn(e_1.message);
}
else {
// `getToken()` should never throw, but logging error text to console will aid debugging.
logger.error(e_1);
}
// Always save error to be added to dummy token.
error = e_1;
return [3 /*break*/, 12];
case 12:
if (!!token) return [3 /*break*/, 13];
// If token is undefined, there must be an error.
// Return a dummy token along with the error.
interopTokenResult = makeDummyTokenResult(error);
return [3 /*break*/, 16];
case 13:
if (!error) return [3 /*break*/, 14];
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);
}
return [3 /*break*/, 16];
case 14:
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;
return [4 /*yield*/, writeTokenToStorage(app, token)];
case 15:
_e.sent();
_e.label = 16;
case 16:
if (shouldCallListeners) {
notifyTokenListeners(app, interopTokenResult);
}
return [2 /*return*/, interopTokenResult];
}
});
});
}
/**
* Internal API for limited use tokens. Skips all FAC state and simply calls
* the underlying provider.
*/
function getLimitedUseToken$1(appCheck) {
return __awaiter(this, void 0, void 0, function () {
var app, provider, debugToken, token, token;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
app = appCheck.app;
ensureActivated(app);
provider = getStateReference(app).provider;
if (!isDebugMode()) return [3 /*break*/, 3];
return [4 /*yield*/, getDebugToken()];
case 1:
debugToken = _a.sent();
return [4 /*yield*/, exchangeToken(getExchangeDebugTokenRequest(app, debugToken), appCheck.heartbeatServiceProvider)];
case 2:
token = (_a.sent()).token;
return [2 /*return*/, { token: token }];
case 3: return [4 /*yield*/, provider.getToken()];
case 4:
token = (_a.sent()).token;
return [2 /*return*/, { token: token }];
}
});
});
}
function addTokenListener(appCheck, type, listener, onError) {
var app = appCheck.app;
var state = getStateReference(app);
var tokenObserver = {
next: listener,
error: onError,
type: type
};
state.tokenObservers = __spreadArray(__spreadArray([], state.tokenObservers, true), [tokenObserver], false);
// Invoke the listener async immediately if there is a valid token
// in memory.
if (state.token && isValid(state.token)) {
var validToken_1 = state.token;
Promise.resolve()
.then(function () {
listener({ token: validToken_1.token });
initTokenRefresher(appCheck);
})
.catch(function () {
/* 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(function () { return initTokenRefresher(appCheck); });
}
function removeTokenListener(app, listener) {
var state = getStateReference(app);
var newObservers = state.tokenObservers.filter(function (tokenObserver) { return 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) {
var app = appCheck.app;
var state = getStateReference(app);
// Create the refresher but don't start it if `isTokenAutoRefreshEnabled`
// is not true.
var refresher = state.tokenRefresher;
if (!refresher) {
refresher = createTokenRefresher(appCheck);
state.tokenRefresher = refresher;
}
if (!refresher.isRunning() && state.isTokenAutoRefreshEnabled) {
refresher.start();
}
}
function createTokenRefresher(appCheck) {
var _this = this;
var app = appCheck.app;
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.
function () { return __awaiter(_this, void 0, void 0, function () {
var state, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
state = getStateReference(app);
if (!!state.token) return [3 /*break*/, 2];
return [4 /*yield*/, getToken$2(appCheck)];
case 1:
result = _a.sent();
return [3 /*break*/, 4];
case 2: return [4 /*yield*/, getToken$2(appCheck, true)];
case 3:
result = _a.sent();
_a.label = 4;
case 4:
/**
* 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 [2 /*return*/];
}
});
}); }, function () {
return true;
}, function () {
var state = getStateReference(app);
if (state.token) {
// issuedAtTime + (50% * total TTL) + 5 minutes
var 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)
var 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) {
var observers = getStateReference(app).tokenObservers;
for (var _i = 0, observers_1 = observers; _i < observers_1.length; _i++) {
var observer = observers_1[_i];
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: 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.
*/
var AppCheckService = /** @class */ (function () {
function AppCheckService(app, heartbeatServiceProvider) {
this.app = app;
this.heartbeatServiceProvider = heartbeatServiceProvider;
}
AppCheckService.prototype._delete = function () {
var tokenObservers = getStateReference(this.app).tokenObservers;
for (var _i = 0, tokenObservers_1 = tokenObservers; _i < tokenObservers_1.length; _i++) {
var tokenObserver = tokenObservers_1[_i];
removeTokenListener(this.app, tokenObserver.next);
}
return Promise.resolve();
};
return AppCheckService;
}());
function factory(app, heartbeatServiceProvider) {
return new AppCheckService(app, heartbeatServiceProvider);
}
function internalFactory(appCheck) {
return {
getToken: function (forceRefresh) { return getToken$2(appCheck, forceRefresh); },
getLimitedUseToken: function () { return getLimitedUseToken$1(appCheck); },
addTokenListener: function (listener) {
return addTokenListener(appCheck, "INTERNAL" /* ListenerType.INTERNAL */, listener);
},
removeTokenListener: function (listener) { return removeTokenListener(appCheck.app, listener); }
};
}
var name = "@firebase/app-check";
var version = "0.8.2";
/**
* @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.
*/
var RECAPTCHA_URL = 'https://www.google.com/recaptcha/api.js';
var RECAPTCHA_ENTERPRISE_URL = 'https://www.google.com/recaptcha/enterprise.js';
function initializeV3(app, siteKey) {
var initialized = new Deferred();
var state = getStateReference(app);
state.reCAPTCHAState = { initialized: initialized };
var divId = makeDiv(app);
var grecaptcha = getRecaptcha(false);
if (!grecaptcha) {
loadReCAPTCHAV3Script(function () {
var 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) {
var initialized = new Deferred();
var state = getStateReference(app);
state.reCAPTCHAState = { initialized: initialized };
var divId = makeDiv(app);
var grecaptcha = getRecaptcha(true);
if (!grecaptcha) {
loadReCAPTCHAEnterpriseScript(function () {
var 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(function () {
// 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) {
var divId = "fire_app_check_".concat(app.name);
var invisibleDiv = document.createElement('div');
invisibleDiv.id = divId;
invisibleDiv.style.display = 'none';
document.body.appendChild(invisibleDiv);
return divId;
}
function getToken$1(app) {
return __awaiter(this, void 0, void 0, function () {
var reCAPTCHAState, recaptcha;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
ensureActivated(app);
reCAPTCHAState = getStateReference(app).reCAPTCHAState;
return [4 /*yield*/, reCAPTCHAState.initialized.promise];
case 1:
recaptcha = _a.sent();
return [2 /*return*/, new Promise(function (resolve, _reject) {
// Updated after initialization is complete.
var reCAPTCHAState = getStateReference(app).reCAPTCHAState;
recaptcha.ready(function () {
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) {
var widgetId = grecaptcha.render(container, {
sitekey: siteKey,
size: 'invisible',
// Success callback - set state
callback: function () {
getStateReference(app).reCAPTCHAState.succeeded = true;
},
// Failure callback - set state
'error-callback': function () {
getStateReference(app).reCAPTCHAState.succeeded = false;
}
});
var state = getStateReference(app);
state.reCAPTCHAState = __assign(__assign({}, state.reCAPTCHAState), { // state.reCAPTCHAState is set in the initialize()
widgetId: widgetId });
}
function loadReCAPTCHAV3Script(onload) {
var script = document.createElement('script');
script.src = RECAPTCHA_URL;
script.onload = onload;
document.head.appendChild(script);
}
function loadReCAPTCHAEnterpriseScript(onload) {
var 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
*/
var ReCaptchaV3Provider = /** @class */ (function () {
/**
* Create a ReCaptchaV3Provider instance.
* @param siteKey - ReCAPTCHA V3 siteKey.
*/
function ReCaptchaV3Provider(_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
*/
ReCaptchaV3Provider.prototype.getToken = function () {
var _a, _b, _c;
return __awaiter(this, void 0, void 0, function () {
var attestedClaimsToken, result, e_1;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
throwIfThrottled(this._throttleData);
return [4 /*yield*/, getToken$1(this._app).catch(function (_e) {
// reCaptcha.execute() throws null which is not very descriptive.
throw ERROR_FACTORY.create("recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */);
})];
case 1:
attestedClaimsToken = _d.sent();
// Check if a failure state was set by the recaptcha "error-callback".
if (!((_a = getStateReference(this._app).reCAPTCHAState) === null || _a === void 0 ? void 0 : _a.succeeded)) {
throw ERROR_FACTORY.create("recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */);
}
_d.label = 2;
case 2:
_d.trys.push([2, 4, , 5]);
return [4 /*yield*/, exchangeToken(getExchangeRecaptchaV3TokenRequest(this._app, attestedClaimsToken), this._heartbeatServiceProvider)];
case 3:
result = _d.sent();
return [3 /*break*/, 5];
case 4:
e_1 = _d.sent();
if ((_b = e_1.code) === null || _b === void 0 ? void 0 : _b.includes("fetch-status-error" /* AppCheckError.FETCH_STATUS_ERROR */)) {
this._throttleData = setBackoff(Number((_c = e_1.customData) === null || _c === void 0 ? void 0 : _c.httpStatus), this._throttleData);
throw ERROR_FACTORY.create("throttled" /* AppCheckError.THROTTLED */, {
time: getDurationString(this._throttleData.allowRequestsAfter - Date.now()),
httpStatus: this._throttleData.httpStatus
});
}
else {
throw e_1;
}
case 5:
// If successful, clear throttle data.
this._throttleData = null;
return [2 /*return*/, result];
}
});
});
};
/**
* @internal
*/
ReCaptchaV3Provider.prototype.initialize = function (app) {
this._app = app;
this._heartbeatServiceProvider = _getProvider(app, 'heartbeat');
initializeV3(app, this._siteKey).catch(function () {
/* we don't care about the initialization result */
});
};
/**
* @internal
*/
ReCaptchaV3Provider.prototype.isEqual = function (otherProvider) {
if (otherProvider instanceof ReCaptchaV3Provider) {
return this._siteKey === otherProvider._siteKey;
}
else {
return false;
}
};
return ReCaptchaV3Provider;
}());
/**
* App Check provider that can obtain a reCAPTCHA Enterprise token and exchange it
* for an App Check token.
*
* @public
*/
var ReCaptchaEnterpriseProvider = /** @class */ (function () {
/**
* Create a ReCaptchaEnterpriseProvider instance.
* @param siteKey - reCAPTCHA Enterprise score-based site key.
*/
function ReCaptchaEnterpriseProvider(_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
*/
ReCaptchaEnterpriseProvider.prototype.getToken = function () {
var _a, _b, _c;
return __awaiter(this, void 0, void 0, function () {
var attestedClaimsToken, result, e_2;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
throwIfThrottled(this._throttleData);
return [4 /*yield*/, getToken$1(this._app).catch(function (_e) {
// reCaptcha.execute() throws null which is not very descriptive.
throw ERROR_FACTORY.create("recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */);
})];
case 1:
attestedClaimsToken = _d.sent();
// Check if a failure state was set by the recaptcha "error-callback".
if (!((_a = getStateReference(this._app).reCAPTCHAState) === null || _a === void 0 ? void 0 : _a.succeeded)) {
throw ERROR_FACTORY.create("recaptcha-error" /* AppCheckError.RECAPTCHA_ERROR */);
}
_d.label = 2;
case 2:
_d.trys.push([2, 4, , 5]);
return [4 /*yield*/, exchangeToken(getExchangeRecaptchaEnterpriseTokenRequest(this._app, attestedClaimsToken), this._heartbeatServiceProvider)];
case 3:
result = _d.sent();
return [3 /*break*/, 5];
case 4:
e_2 = _d.sent();
if ((_b = e_2.code) === null || _b === void 0 ? void 0 : _b.includes("fetch-status-error" /* AppCheckError.FETCH_STATUS_ERROR */)) {
this._throttleData = setBackoff(Number((_c = e_2.customData) === null || _c === void 0 ? void 0 : _c.httpStatus), this._throttleData);
throw ERROR_FACTORY.create("throttled" /* AppCheckError.THROTTLED */, {
time: getDurationString(this._throttleData.allowRequestsAfter - Date.now()),
httpStatus: this._throttleData.httpStatus
});
}
else {
throw e_2;
}
case 5:
// If successful, clear throttle data.
this._throttleData = null;
return [2 /*return*/, result];
}
});
});
};
/**
* @internal
*/
ReCaptchaEnterpriseProvider.prototype.initialize = function (app) {
this._app = app;
this._heartbeatServiceProvider = _getProvider(app, 'heartbeat');
initializeEnterprise(app, this._siteKey).catch(function () {
/* we don't care about the initialization result */
});
};
/**
* @internal
*/
ReCaptchaEnterpriseProvider.prototype.isEqual = function (otherProvider) {
if (otherProvider instanceof ReCaptchaEnterpriseProvider) {
return this._siteKey === otherProvider._siteKey;
}
else {
return false;
}
};
return ReCaptchaEnterpriseProvider;
}());
/**
* Custom provider class.
* @public
*/
var CustomProvider = /** @class */ (function () {
function CustomProvider(_customProviderOptions) {
this._customProviderOptions = _customProviderOptions;
}
/**
* @internal
*/
CustomProvider.prototype.getToken = function () {
return __awaiter(this, void 0, void 0, function () {
var customToken, issuedAtTimeSeconds, issuedAtTimeMillis;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._customProviderOptions.getToken()];
case 1:
customToken = _a.sent();
issuedAtTimeSeconds = issuedAtTime(customToken.token);
issuedAtTimeMillis = issuedAtTimeSeconds !== null &&
issuedAtTimeSeconds < Date.now() &&
issuedAtTimeSeconds > 0
? issuedAtTimeSeconds * 1000
: Date.now();
return [2 /*return*/, __assign(__assign({}, customToken), { issuedAtTimeMillis: issuedAtTimeMillis })];
}
});
});
};
/**
* @internal
*/
CustomProvider.prototype.initialize = function (app) {
this._app = app;
};
/**
* @internal
*/
CustomProvider.prototype.isEqual = function (otherProvider) {
if (otherProvider instanceof CustomProvider) {
return (this._customProviderOptions.getToken.toString() ===
otherProvider._customProviderOptions.getToken.toString());
}
else {
return false;
}
};
return CustomProvider;
}());
/**
* 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: httpStatus
};
}
else {
/**
* For all other error codes, the time when it is ok to retry again
* is based on exponential backoff.
*/
var backoffCount = throttleData ? throttleData.backoffCount : 0;
var backoffMillis = calculateBackoffMillis(backoffCount, 1000, 2);
return {
backoffCount: backoffCount + 1,
allowRequestsAfter: Date.now() + backoffMillis,
httpStatus: 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, options) {
if (app === void 0) { app = getApp(); }
app = getModularInstance(app);
var provider = _getProvider(app, '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(function (token) {
// Not using logger because I don't think we ever want this accidentally hidden.
return console.log("App Check debug token: ".concat(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()) {
var existingInstance = provider.getImmediate();
var 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.name
});
}
}
var appCheck = provider.initialize({ options: options });
_activate(app, 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).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 */, function () { });
}
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) {
// Create an entry in the APP_CHECK_STATES map. Further changes should
// directly mutate this object.
var state = setInitialState(app, __assign({}, 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(function (cachedToken) {
if (cachedToken && isValid(cachedToken)) {
state.token = cachedToken;
// notify all listeners with the cached token
notifyTokenListeners(app, { token: cachedToken.token });
}
return cachedToken;
});
// Use value of global `automaticDataCollectionEnabled` (which
// itself defaults to false if not specified in config) if
// `isTokenAutoRefreshEnabled` param was not provided by user.
state.isTokenAutoRefreshEnabled =
isTokenAutoRefreshEnabled === undefined
? app.automaticDataCollectionEnabled
: isTokenAutoRefreshEnabled;
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) {
var app = appCheckInstance.app;
var 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. Attaches to the most recent
* in-flight request if one is present. Returns null if no token
* is present and no token requests are in-flight.
*
* @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
*/
function getToken(appCheckInstance, forceRefresh) {
return __awaiter(this, void 0, void 0, function () {
var result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, getToken$2(appCheckInstance, forceRefresh)];
case 1:
result = _a.sent();
if (result.error) {
throw result.error;
}
return [2 /*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) {
var nextFn = function () { };
var errorFn = function () { };
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 function () { 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
*/
var APP_CHECK_NAME = 'app-check';
var APP_CHECK_NAME_INTERNAL = 'app-check-internal';
function registerAppCheck() {
// The public interface
_registerComponent(new Component(APP_CHECK_NAME, function (container) {
// getImmediate for FirebaseApp will always succeed
var app = container.getProvider('app').getImmediate();
var 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(function (container, _identifier, _appcheckService) {
container.getProvider(APP_CHECK_NAME_INTERNAL).initialize();
}));
// The internal interface used by other Firebase products
_registerComponent(new Component(APP_CHECK_NAME_INTERNAL, function (container) {
var appCheck = container.getProvider('app-check').getImmediate();
return internalFactory(appCheck);
}, "PUBLIC" /* ComponentType.PUBLIC */).setInstantiationMode("EXPLICIT" /* InstantiationMode.EXPLICIT */));
registerVersion(name, version);
}
registerAppCheck();
export { CustomProvider, ReCaptchaEnterpriseProvider, ReCaptchaV3Provider, getLimitedUseToken, getToken, initializeAppCheck, onTokenChanged, setTokenAutoRefreshEnabled };
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