Bernt
bae705aa97
- Add NFC ePassport roadmap (ICAO 9303, eIDAS) - Add TensorFlow.js edge face detection (BlazeFace) - Add structured audit logger (GDPR-compliant) - Risk scoring support Part of KYC Apple Native UX v1.1.0
228 lines
10 KiB
JavaScript
228 lines
10 KiB
JavaScript
"use strict";
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/**
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* Copyright 2021 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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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || (function () {
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var ownKeys = function(o) {
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ownKeys = Object.getOwnPropertyNames || function (o) {
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var ar = [];
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for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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return ar;
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};
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return ownKeys(o);
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};
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return function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
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__setModuleDefault(result, mod);
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return result;
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.generateServiceStub = generateServiceStub;
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const serializer = __importStar(require("proto3-json-serializer"));
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const featureDetection_1 = require("./featureDetection");
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const streamArrayParser_1 = require("./streamArrayParser");
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const fallback_1 = require("./fallback");
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const stream_1 = require("stream");
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// Node.js before v19 does not enable keepalive by default.
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// We'll try to enable it very carefully to make sure we don't break possible non-Node use cases.
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// TODO: remove this after Node 18 is EOL.
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// More info:
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// - https://github.com/node-fetch/node-fetch#custom-agent
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// - https://github.com/googleapis/gax-nodejs/pull/1534
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let agentOption = null;
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if ((0, featureDetection_1.isNodeJS)()) {
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const http = require('http');
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const https = require('https');
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const httpAgent = new http.Agent({ keepAlive: true });
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const httpsAgent = new https.Agent({ keepAlive: true });
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agentOption = (parsedUrl) => {
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if (parsedUrl.protocol === 'http:') {
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return httpAgent;
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}
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return httpsAgent;
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};
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}
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// helper function used to properly format empty responses
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// when the response code is 204
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function _formatEmptyResponse(rpc) {
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// format the empty response the same way we format non-empty responses in fallbackRest.ts
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const emptyMessage = serializer.fromProto3JSON(rpc.resolvedResponseType, JSON.parse('{}'));
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const resp = rpc.resolvedResponseType.toObject(emptyMessage, fallback_1.defaultToObjectOptions);
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return resp;
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}
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function generateServiceStub(rpcs, protocol, servicePath, servicePort, auth, requestEncoder, responseDecoder, numericEnums, minifyJson) {
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const serviceStub = {
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// close method should close all cancel controllers. If this feature request in the future, we can have a cancelControllerFactory that tracks created cancel controllers, and abort them all in close method.
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close: () => {
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return { cancel: () => { } };
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},
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};
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for (const [rpcName, rpc] of Object.entries(rpcs)) {
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serviceStub[rpcName] = (request, options, _metadata, callback) => {
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options ??= {};
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// We cannot use async-await in this function because we need to return the canceller object as soon as possible.
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// Using plain old promises instead.
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let fetchParameters;
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try {
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fetchParameters = requestEncoder(rpc, protocol, servicePath, servicePort, request, numericEnums, minifyJson);
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}
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catch (err) {
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// we could not encode parameters; pass error to the callback
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// and return a no-op canceler object.
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if (callback) {
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callback(err);
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}
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return {
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cancel() { },
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};
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}
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const cancelController = new AbortController();
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const cancelSignal = cancelController.signal;
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let cancelRequested = false;
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const url = fetchParameters.url;
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const headers = new Headers(fetchParameters.headers);
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for (const key of Object.keys(options)) {
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headers.set(key, options[key][0]);
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}
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const streamArrayParser = new streamArrayParser_1.StreamArrayParser(rpc);
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let response204Ok = false;
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const fetchRequest = {
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headers: headers,
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body: typeof fetchParameters.body === 'string'
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? fetchParameters.body
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: Buffer.from(fetchParameters.body),
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method: fetchParameters.method,
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signal: cancelSignal,
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responseType: 'stream', // ensure gaxios returns the data directly so that it handle data/streams itself
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agent: agentOption || undefined,
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};
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if (fetchParameters.method === 'GET' ||
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fetchParameters.method === 'DELETE') {
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delete fetchRequest['body'];
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}
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auth
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.fetch(url, fetchRequest)
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.then((response) => {
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// There is a legacy Apiary configuration that some services
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// use which allows 204 empty responses on success instead of
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// a 200 OK. This most commonly is seen in delete RPCs,
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// but does occasionally show up in other endpoints. We
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// need to allow this behavior so that these clients do not throw an error
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// when the call actually succeeded
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// See b/411675301 for more context
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if (response.status === 204 && response.ok) {
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response204Ok = true;
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}
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if (response.ok && rpc.responseStream) {
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(0, stream_1.pipeline)(response.body, streamArrayParser, (err) => {
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if (err &&
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(!cancelRequested ||
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(err instanceof Error && err.name !== 'AbortError'))) {
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if (callback) {
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callback(err);
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}
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streamArrayParser.emit('error', err);
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}
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});
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return;
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}
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else {
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return Promise.all([
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Promise.resolve(response.ok),
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response.arrayBuffer(),
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])
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.then(([ok, buffer]) => {
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const response = responseDecoder(rpc, ok, buffer);
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callback(null, response);
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})
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.catch((err) => {
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if (!cancelRequested || err.name !== 'AbortError') {
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if (rpc.responseStream) {
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if (callback) {
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callback(err);
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}
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streamArrayParser.emit('error', err);
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}
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else {
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// This supports a legacy Apiary behavior that allows
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// empty 204 responses. If we do not intercept this potential error
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// from decodeResponse in fallbackRest
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// it will cause libraries to erroneously throw an
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// error when the call succeeded. This error cannot be checked in
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// fallbackRest.ts because decodeResponse does not have the necessary
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// context about the response to validate the status code + ok-ness
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if (!response204Ok) {
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// by this point, we're guaranteed to have added a callback
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// it is added in the library before calling this.innerApiCalls
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callback(err);
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}
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else {
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const resp = _formatEmptyResponse(rpc);
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// by this point, we're guaranteed to have added a callback
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// it is added in the library before calling this.innerApiCalls
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callback(null, resp);
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}
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}
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}
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});
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}
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})
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.catch((err) => {
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if (rpc.responseStream) {
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if (callback) {
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callback(err);
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}
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streamArrayParser.emit('error', err);
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}
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else if (callback) {
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callback(err);
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}
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else {
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throw err;
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}
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});
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if (rpc.responseStream) {
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return streamArrayParser;
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}
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return {
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cancel: () => {
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cancelRequested = true;
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cancelController.abort();
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},
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};
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};
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}
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return serviceStub;
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}
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//# sourceMappingURL=fallbackServiceStub.js.map
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