tra-analysis/website/functions/node_modules/firebase-admin/lib/messaging/messaging-api-request.js

/*! firebase-admin v6.0.0 */
"use strict";
/*!
 * Copyright 2017 Google Inc.
 *
 * 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.
 */
Object.defineProperty(exports, "__esModule", { value: true });
var api_request_1 = require("../utils/api-request");
var error_1 = require("../utils/error");
var validator = require("../utils/validator");
// FCM backend constants
var FIREBASE_MESSAGING_TIMEOUT = 10000;
var FIREBASE_MESSAGING_HTTP_METHOD = 'POST';
var FIREBASE_MESSAGING_HEADERS = {
    'Sdk-Version': 'Node/Admin/6.0.0',
    'access_token_auth': 'true',
};
/**
 * Class that provides a mechanism to send requests to the Firebase Cloud Messaging backend.
 */
var FirebaseMessagingRequestHandler = /** @class */ (function () {
    /**
     * @param {FirebaseApp} app The app used to fetch access tokens to sign API requests.
     * @constructor
     */
    function FirebaseMessagingRequestHandler(app) {
        this.httpClient = new api_request_1.AuthorizedHttpClient(app);
    }
    /**
     * @param {object} response The response to check for errors.
     * @return {string|null} The error code if present; null otherwise.
     */
    FirebaseMessagingRequestHandler.getErrorCode = function (response) {
        if (validator.isNonNullObject(response) && 'error' in response) {
            if (validator.isString(response.error)) {
                return response.error;
            }
            if (validator.isArray(response.error.details)) {
                var fcmErrorType = 'type.googleapis.com/google.firebase.fcm.v1.FcmErrorCode';
                for (var _i = 0, _a = response.error.details; _i < _a.length; _i++) {
                    var element = _a[_i];
                    if (element['@type'] === fcmErrorType) {
                        return element.errorCode;
                    }
                }
            }
            if ('status' in response.error) {
                return response.error.status;
            }
            else {
                return response.error.message;
            }
        }
        return null;
    };
    /**
     * Extracts error message from the given response object.
     *
     * @param {object} response The response to check for errors.
     * @return {string|null} The error message if present; null otherwise.
     */
    FirebaseMessagingRequestHandler.getErrorMessage = function (response) {
        if (validator.isNonNullObject(response) &&
            'error' in response &&
            validator.isNonEmptyString(response.error.message)) {
            return response.error.message;
        }
        return null;
    };
    /**
     * Invokes the request handler with the provided request data.
     *
     * @param {string} host The host to which to send the request.
     * @param {string} path The path to which to send the request.
     * @param {object} requestData The request data.
     * @return {Promise<object>} A promise that resolves with the response.
     */
    FirebaseMessagingRequestHandler.prototype.invokeRequestHandler = function (host, path, requestData) {
        var _this = this;
        var request = {
            method: FIREBASE_MESSAGING_HTTP_METHOD,
            url: "https://" + host + path,
            data: requestData,
            headers: FIREBASE_MESSAGING_HEADERS,
            timeout: FIREBASE_MESSAGING_TIMEOUT,
        };
        return this.httpClient.send(request).then(function (response) {
            // Send non-JSON responses to the catch() below where they will be treated as errors.
            if (!response.isJson()) {
                throw new api_request_1.HttpError(response);
            }
            // Check for backend errors in the response.
            var errorCode = FirebaseMessagingRequestHandler.getErrorCode(response.data);
            if (errorCode) {
                throw new api_request_1.HttpError(response);
            }
            // Return entire response.
            return response.data;
        })
            .catch(function (err) {
            if (err instanceof api_request_1.HttpError) {
                _this.handleHttpError(err);
            }
            // Re-throw the error if it already has the proper format.
            throw err;
        });
    };
    FirebaseMessagingRequestHandler.prototype.handleHttpError = function (err) {
        if (err.response.isJson()) {
            // For JSON responses, map the server response to a client-side error.
            var json = err.response.data;
            var errorCode = FirebaseMessagingRequestHandler.getErrorCode(json);
            var errorMessage = FirebaseMessagingRequestHandler.getErrorMessage(json);
            throw error_1.FirebaseMessagingError.fromServerError(errorCode, errorMessage, json);
        }
        // Non-JSON response
        var error;
        switch (err.response.status) {
            case 400:
                error = error_1.MessagingClientErrorCode.INVALID_ARGUMENT;
                break;
            case 401:
            case 403:
                error = error_1.MessagingClientErrorCode.AUTHENTICATION_ERROR;
                break;
            case 500:
                error = error_1.MessagingClientErrorCode.INTERNAL_ERROR;
                break;
            case 503:
                error = error_1.MessagingClientErrorCode.SERVER_UNAVAILABLE;
                break;
            default:
                // Treat non-JSON responses with unexpected status codes as unknown errors.
                error = error_1.MessagingClientErrorCode.UNKNOWN_ERROR;
        }
        throw new error_1.FirebaseMessagingError({
            code: error.code,
            message: error.message + " Raw server response: \"" + err.response.text + "\". Status code: " +
                (err.response.status + "."),
        });
    };
    return FirebaseMessagingRequestHandler;
}());
exports.FirebaseMessagingRequestHandler = FirebaseMessagingRequestHandler;