push all website files

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

@@ -0,0 +1,155 @@
+/*! 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;