549 lines
19 KiB
JavaScript
549 lines
19 KiB
JavaScript
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import firebase from '@firebase/app';
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import { Component } from '@firebase/component';
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/**
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* @license
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* Copyright 2017 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Standard error codes for different ways a request can fail, as defined by:
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* https://github.com/googleapis/googleapis/blob/master/google/rpc/code.proto
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*
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* This map is used primarily to convert from a backend error code string to
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* a client SDK error code string, and make sure it's in the supported set.
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*/
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const errorCodeMap = {
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OK: 'ok',
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CANCELLED: 'cancelled',
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UNKNOWN: 'unknown',
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INVALID_ARGUMENT: 'invalid-argument',
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DEADLINE_EXCEEDED: 'deadline-exceeded',
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NOT_FOUND: 'not-found',
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ALREADY_EXISTS: 'already-exists',
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PERMISSION_DENIED: 'permission-denied',
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UNAUTHENTICATED: 'unauthenticated',
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RESOURCE_EXHAUSTED: 'resource-exhausted',
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FAILED_PRECONDITION: 'failed-precondition',
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ABORTED: 'aborted',
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OUT_OF_RANGE: 'out-of-range',
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UNIMPLEMENTED: 'unimplemented',
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INTERNAL: 'internal',
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UNAVAILABLE: 'unavailable',
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DATA_LOSS: 'data-loss'
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};
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/**
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* An explicit error that can be thrown from a handler to send an error to the
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* client that called the function.
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*/
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class HttpsErrorImpl extends Error {
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constructor(code, message, details) {
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super(message);
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// This is a workaround for a bug in TypeScript when extending Error:
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// tslint:disable-next-line
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// https://github.com/Microsoft/TypeScript-wiki/blob/master/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work
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Object.setPrototypeOf(this, HttpsErrorImpl.prototype);
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this.code = code;
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this.details = details;
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}
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}
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/**
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* Takes an HTTP status code and returns the corresponding ErrorCode.
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* This is the standard HTTP status code -> error mapping defined in:
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* https://github.com/googleapis/googleapis/blob/master/google/rpc/code.proto
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*
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* @param status An HTTP status code.
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* @return The corresponding ErrorCode, or ErrorCode.UNKNOWN if none.
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*/
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function codeForHTTPStatus(status) {
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// Make sure any successful status is OK.
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if (status >= 200 && status < 300) {
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return 'ok';
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}
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switch (status) {
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case 0:
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// This can happen if the server returns 500.
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return 'internal';
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case 400:
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return 'invalid-argument';
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case 401:
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return 'unauthenticated';
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case 403:
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return 'permission-denied';
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case 404:
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return 'not-found';
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case 409:
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return 'aborted';
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case 429:
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return 'resource-exhausted';
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case 499:
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return 'cancelled';
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case 500:
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return 'internal';
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case 501:
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return 'unimplemented';
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case 503:
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return 'unavailable';
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case 504:
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return 'deadline-exceeded';
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}
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return 'unknown';
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}
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/**
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* Takes an HTTP response and returns the corresponding Error, if any.
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*/
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function _errorForResponse(status, bodyJSON, serializer) {
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let code = codeForHTTPStatus(status);
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// Start with reasonable defaults from the status code.
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let description = code;
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let details = undefined;
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// Then look through the body for explicit details.
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try {
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const errorJSON = bodyJSON && bodyJSON.error;
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if (errorJSON) {
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const status = errorJSON.status;
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if (typeof status === 'string') {
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if (!errorCodeMap[status]) {
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// They must've included an unknown error code in the body.
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return new HttpsErrorImpl('internal', 'internal');
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}
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code = errorCodeMap[status];
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// TODO(klimt): Add better default descriptions for error enums.
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// The default description needs to be updated for the new code.
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description = status;
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}
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const message = errorJSON.message;
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if (typeof message === 'string') {
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description = message;
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}
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details = errorJSON.details;
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if (details !== undefined) {
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details = serializer.decode(details);
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}
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}
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}
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catch (e) {
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// If we couldn't parse explicit error data, that's fine.
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}
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if (code === 'ok') {
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// Technically, there's an edge case where a developer could explicitly
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// return an error code of OK, and we will treat it as success, but that
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// seems reasonable.
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return null;
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}
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return new HttpsErrorImpl(code, description, details);
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}
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/**
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* Helper class to get metadata that should be included with a function call.
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*/
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class ContextProvider {
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constructor(authProvider, messagingProvider) {
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this.auth = null;
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this.messaging = null;
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this.auth = authProvider.getImmediate({ optional: true });
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this.messaging = messagingProvider.getImmediate({
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optional: true
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});
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if (!this.auth) {
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authProvider.get().then(auth => (this.auth = auth), () => {
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/* get() never rejects */
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});
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}
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if (!this.messaging) {
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messagingProvider.get().then(messaging => (this.messaging = messaging), () => {
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/* get() never rejects */
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});
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}
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}
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async getAuthToken() {
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if (!this.auth) {
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return undefined;
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}
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try {
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const token = await this.auth.getToken();
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if (!token) {
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return undefined;
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}
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return token.accessToken;
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}
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catch (e) {
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// If there's any error when trying to get the auth token, leave it off.
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return undefined;
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}
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}
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async getInstanceIdToken() {
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if (!this.messaging ||
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!('Notification' in self) ||
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Notification.permission !== 'granted') {
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return undefined;
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}
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try {
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return this.messaging.getToken();
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}
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catch (e) {
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// We don't warn on this, because it usually means messaging isn't set up.
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// console.warn('Failed to retrieve instance id token.', e);
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// If there's any error when trying to get the token, leave it off.
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return undefined;
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}
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}
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async getContext() {
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const authToken = await this.getAuthToken();
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const instanceIdToken = await this.getInstanceIdToken();
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return { authToken, instanceIdToken };
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}
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}
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/**
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* @license
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* Copyright 2017 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const LONG_TYPE = 'type.googleapis.com/google.protobuf.Int64Value';
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const UNSIGNED_LONG_TYPE = 'type.googleapis.com/google.protobuf.UInt64Value';
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function mapValues(
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// { [k: string]: unknown } is no longer a wildcard assignment target after typescript 3.5
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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o, f) {
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const result = {};
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for (const key in o) {
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if (o.hasOwnProperty(key)) {
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result[key] = f(o[key]);
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}
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}
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return result;
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}
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class Serializer {
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// Takes data and encodes it in a JSON-friendly way, such that types such as
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// Date are preserved.
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encode(data) {
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if (data == null) {
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return null;
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}
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if (data instanceof Number) {
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data = data.valueOf();
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}
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if (typeof data === 'number' && isFinite(data)) {
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// Any number in JS is safe to put directly in JSON and parse as a double
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// without any loss of precision.
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return data;
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}
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if (data === true || data === false) {
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return data;
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}
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if (Object.prototype.toString.call(data) === '[object String]') {
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return data;
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}
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if (Array.isArray(data)) {
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return data.map(x => this.encode(x));
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}
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if (typeof data === 'function' || typeof data === 'object') {
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return mapValues(data, x => this.encode(x));
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}
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// If we got this far, the data is not encodable.
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throw new Error('Data cannot be encoded in JSON: ' + data);
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}
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// Takes data that's been encoded in a JSON-friendly form and returns a form
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// with richer datatypes, such as Dates, etc.
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decode(json) {
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if (json == null) {
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return json;
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}
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if (json['@type']) {
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switch (json['@type']) {
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case LONG_TYPE:
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// Fall through and handle this the same as unsigned.
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case UNSIGNED_LONG_TYPE: {
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// Technically, this could work return a valid number for malformed
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// data if there was a number followed by garbage. But it's just not
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// worth all the extra code to detect that case.
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const value = Number(json['value']);
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if (isNaN(value)) {
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throw new Error('Data cannot be decoded from JSON: ' + json);
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}
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return value;
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}
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default: {
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throw new Error('Data cannot be decoded from JSON: ' + json);
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}
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}
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}
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if (Array.isArray(json)) {
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return json.map(x => this.decode(x));
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}
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if (typeof json === 'function' || typeof json === 'object') {
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return mapValues(json, x => this.decode(x));
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}
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// Anything else is safe to return.
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return json;
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}
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}
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/**
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* @license
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* Copyright 2017 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Returns a Promise that will be rejected after the given duration.
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* The error will be of type HttpsErrorImpl.
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*
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* @param millis Number of milliseconds to wait before rejecting.
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*/
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function failAfter(millis) {
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return new Promise((_, reject) => {
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setTimeout(() => {
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reject(new HttpsErrorImpl('deadline-exceeded', 'deadline-exceeded'));
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}, millis);
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});
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}
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/**
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* The main class for the Firebase Functions SDK.
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*/
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class Service {
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/**
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* Creates a new Functions service for the given app and (optional) region.
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* @param app_ The FirebaseApp to use.
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* @param region_ The region to call functions in.
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*/
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constructor(app_, authProvider, messagingProvider, region_ = 'us-central1') {
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this.app_ = app_;
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this.region_ = region_;
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this.serializer = new Serializer();
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this.emulatorOrigin = null;
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this.INTERNAL = {
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delete: () => {
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return this.deleteService();
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}
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};
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this.contextProvider = new ContextProvider(authProvider, messagingProvider);
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// Cancels all ongoing requests when resolved.
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this.cancelAllRequests = new Promise(resolve => {
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this.deleteService = () => {
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return resolve();
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};
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});
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}
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get app() {
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return this.app_;
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}
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/**
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* Returns the URL for a callable with the given name.
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* @param name The name of the callable.
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*/
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_url(name) {
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const projectId = this.app_.options.projectId;
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const region = this.region_;
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if (this.emulatorOrigin !== null) {
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const origin = this.emulatorOrigin;
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return `${origin}/${projectId}/${region}/${name}`;
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}
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return `https://${region}-${projectId}.cloudfunctions.net/${name}`;
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}
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/**
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* Changes this instance to point to a Cloud Functions emulator running
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* locally. See https://firebase.google.com/docs/functions/local-emulator
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*
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* @param origin The origin of the local emulator, such as
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* "http://localhost:5005".
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|
|
*/
|
||
|
|
useFunctionsEmulator(origin) {
|
||
|
|
this.emulatorOrigin = origin;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Returns a reference to the callable https trigger with the given name.
|
||
|
|
* @param name The name of the trigger.
|
||
|
|
*/
|
||
|
|
httpsCallable(name, options) {
|
||
|
|
return data => {
|
||
|
|
return this.call(name, data, options || {});
|
||
|
|
};
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Does an HTTP POST and returns the completed response.
|
||
|
|
* @param url The url to post to.
|
||
|
|
* @param body The JSON body of the post.
|
||
|
|
* @param headers The HTTP headers to include in the request.
|
||
|
|
* @return A Promise that will succeed when the request finishes.
|
||
|
|
*/
|
||
|
|
async postJSON(url, body, headers) {
|
||
|
|
headers.append('Content-Type', 'application/json');
|
||
|
|
let response;
|
||
|
|
try {
|
||
|
|
response = await fetch(url, {
|
||
|
|
method: 'POST',
|
||
|
|
body: JSON.stringify(body),
|
||
|
|
headers
|
||
|
|
});
|
||
|
|
}
|
||
|
|
catch (e) {
|
||
|
|
// This could be an unhandled error on the backend, or it could be a
|
||
|
|
// network error. There's no way to know, since an unhandled error on the
|
||
|
|
// backend will fail to set the proper CORS header, and thus will be
|
||
|
|
// treated as a network error by fetch.
|
||
|
|
return {
|
||
|
|
status: 0,
|
||
|
|
json: null
|
||
|
|
};
|
||
|
|
}
|
||
|
|
let json = null;
|
||
|
|
try {
|
||
|
|
json = await response.json();
|
||
|
|
}
|
||
|
|
catch (e) {
|
||
|
|
// If we fail to parse JSON, it will fail the same as an empty body.
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
status: response.status,
|
||
|
|
json
|
||
|
|
};
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Calls a callable function asynchronously and returns the result.
|
||
|
|
* @param name The name of the callable trigger.
|
||
|
|
* @param data The data to pass as params to the function.s
|
||
|
|
*/
|
||
|
|
async call(name, data, options) {
|
||
|
|
const url = this._url(name);
|
||
|
|
// Encode any special types, such as dates, in the input data.
|
||
|
|
data = this.serializer.encode(data);
|
||
|
|
const body = { data };
|
||
|
|
// Add a header for the authToken.
|
||
|
|
const headers = new Headers();
|
||
|
|
const context = await this.contextProvider.getContext();
|
||
|
|
if (context.authToken) {
|
||
|
|
headers.append('Authorization', 'Bearer ' + context.authToken);
|
||
|
|
}
|
||
|
|
if (context.instanceIdToken) {
|
||
|
|
headers.append('Firebase-Instance-ID-Token', context.instanceIdToken);
|
||
|
|
}
|
||
|
|
// Default timeout to 70s, but let the options override it.
|
||
|
|
const timeout = options.timeout || 70000;
|
||
|
|
const response = await Promise.race([
|
||
|
|
this.postJSON(url, body, headers),
|
||
|
|
failAfter(timeout),
|
||
|
|
this.cancelAllRequests
|
||
|
|
]);
|
||
|
|
// If service was deleted, interrupted response throws an error.
|
||
|
|
if (!response) {
|
||
|
|
throw new HttpsErrorImpl('cancelled', 'Firebase Functions instance was deleted.');
|
||
|
|
}
|
||
|
|
// Check for an error status, regardless of http status.
|
||
|
|
const error = _errorForResponse(response.status, response.json, this.serializer);
|
||
|
|
if (error) {
|
||
|
|
throw error;
|
||
|
|
}
|
||
|
|
if (!response.json) {
|
||
|
|
throw new HttpsErrorImpl('internal', 'Response is not valid JSON object.');
|
||
|
|
}
|
||
|
|
let responseData = response.json.data;
|
||
|
|
// TODO(klimt): For right now, allow "result" instead of "data", for
|
||
|
|
// backwards compatibility.
|
||
|
|
if (typeof responseData === 'undefined') {
|
||
|
|
responseData = response.json.result;
|
||
|
|
}
|
||
|
|
if (typeof responseData === 'undefined') {
|
||
|
|
// Consider the response malformed.
|
||
|
|
throw new HttpsErrorImpl('internal', 'Response is missing data field.');
|
||
|
|
}
|
||
|
|
// Decode any special types, such as dates, in the returned data.
|
||
|
|
const decodedData = this.serializer.decode(responseData);
|
||
|
|
return { data: decodedData };
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @license
|
||
|
|
* Copyright 2019 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.
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* Type constant for Firebase Functions.
|
||
|
|
*/
|
||
|
|
const FUNCTIONS_TYPE = 'functions';
|
||
|
|
function factory(container, region) {
|
||
|
|
// Dependencies
|
||
|
|
const app = container.getProvider('app').getImmediate();
|
||
|
|
const authProvider = container.getProvider('auth-internal');
|
||
|
|
const messagingProvider = container.getProvider('messaging');
|
||
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
||
|
|
return new Service(app, authProvider, messagingProvider, region);
|
||
|
|
}
|
||
|
|
function registerFunctions(instance) {
|
||
|
|
const namespaceExports = {
|
||
|
|
// no-inline
|
||
|
|
Functions: Service
|
||
|
|
};
|
||
|
|
instance.INTERNAL.registerComponent(new Component(FUNCTIONS_TYPE, factory, "PUBLIC" /* PUBLIC */)
|
||
|
|
.setServiceProps(namespaceExports)
|
||
|
|
.setMultipleInstances(true));
|
||
|
|
}
|
||
|
|
|
||
|
|
const name = "@firebase/functions";
|
||
|
|
const version = "0.4.44";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @license
|
||
|
|
* Copyright 2017 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.
|
||
|
|
*/
|
||
|
|
registerFunctions(firebase);
|
||
|
|
firebase.registerVersion(name, version);
|
||
|
|
//# sourceMappingURL=index.esm2017.js.map
|