From ff09c98f3b0515dd92dc5f9bab887336b080b4f5 Mon Sep 17 00:00:00 2001 From: Jonathan Buchanan Date: Wed, 7 Jul 2021 02:42:55 -0400 Subject: change taler-wallet-android to taler-wallet-embedded --- packages/taler-wallet-embedded/package.json | 46 ++++ packages/taler-wallet-embedded/rollup.config.js | 30 +++ packages/taler-wallet-embedded/src/index.ts | 288 ++++++++++++++++++++++++ packages/taler-wallet-embedded/tsconfig.json | 28 +++ 4 files changed, 392 insertions(+) create mode 100644 packages/taler-wallet-embedded/package.json create mode 100644 packages/taler-wallet-embedded/rollup.config.js create mode 100644 packages/taler-wallet-embedded/src/index.ts create mode 100644 packages/taler-wallet-embedded/tsconfig.json (limited to 'packages/taler-wallet-embedded') diff --git a/packages/taler-wallet-embedded/package.json b/packages/taler-wallet-embedded/package.json new file mode 100644 index 000000000..9a5a1c9e6 --- /dev/null +++ b/packages/taler-wallet-embedded/package.json @@ -0,0 +1,46 @@ +{ + "name": "@gnu-taler/taler-wallet-embedded", + "version": "0.8.0", + "description": "", + "engines": { + "node": ">=0.12.0" + }, + "repository": { + "type": "git", + "url": "git://git.taler.net/wallet-core.git" + }, + "main": "dist/taler-wallet-embedded.js", + "author": "Florian Dold", + "license": "GPL-3.0", + "scripts": { + "compile": "tsc && rollup -c", + "pretty": "prettier --write src", + "coverage": "tsc && nyc ava", + "clean": "rimraf lib dist tsconfig.tsbuildinfo" + }, + "files": [ + "AUTHORS", + "README", + "COPYING", + "bin/", + "dist/node", + "src/" + ], + "devDependencies": { + "@rollup/plugin-commonjs": "^17.0.0", + "@rollup/plugin-json": "^4.1.0", + "@rollup/plugin-node-resolve": "^11.1.0", + "@rollup/plugin-replace": "^2.3.4", + "@types/node": "^14.14.22", + "prettier": "^2.2.1", + "rimraf": "^3.0.2", + "rollup": "^2.43.0", + "rollup-plugin-sourcemaps": "^0.6.3", + "rollup-plugin-terser": "^7.0.2", + "typescript": "^4.2.3" + }, + "dependencies": { + "@gnu-taler/taler-wallet-core": "workspace:*", + "tslib": "^2.1.0" + } +} diff --git a/packages/taler-wallet-embedded/rollup.config.js b/packages/taler-wallet-embedded/rollup.config.js new file mode 100644 index 000000000..7cdca3b98 --- /dev/null +++ b/packages/taler-wallet-embedded/rollup.config.js @@ -0,0 +1,30 @@ +// rollup.config.js +import commonjs from "@rollup/plugin-commonjs"; +import nodeResolve from "@rollup/plugin-node-resolve"; +import json from "@rollup/plugin-json"; +import builtins from "builtin-modules"; +import pkg from "./package.json"; + +export default { + input: "lib/index.js", + output: { + file: pkg.main, + format: "cjs", + }, + external: builtins, + plugins: [ + nodeResolve({ + preferBuiltins: true, + }), + + commonjs({ + include: [/node_modules/, /dist/], + extensions: [".js", ".ts"], + ignoreGlobal: false, + sourceMap: false, + }), + + json(), + ], +} + diff --git a/packages/taler-wallet-embedded/src/index.ts b/packages/taler-wallet-embedded/src/index.ts new file mode 100644 index 000000000..0dcfaad6b --- /dev/null +++ b/packages/taler-wallet-embedded/src/index.ts @@ -0,0 +1,288 @@ +/* + This file is part of GNU Taler + (C) 2019 GNUnet e.V. + + GNU Taler is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + GNU Taler; see the file COPYING. If not, see + */ + +/** + * Imports. + */ +import { + getDefaultNodeWallet, + DefaultNodeWalletArgs, + NodeHttpLib, + makeErrorDetails, + handleWorkerError, + handleWorkerMessage, + HttpRequestLibrary, + OpenedPromise, + HttpResponse, + HttpRequestOptions, + openPromise, + Headers, + WALLET_EXCHANGE_PROTOCOL_VERSION, + WALLET_MERCHANT_PROTOCOL_VERSION, + Wallet, +} from "@gnu-taler/taler-wallet-core"; + +import fs from "fs"; +import { WalletNotification } from "../../taler-wallet-core/node_modules/@gnu-taler/taler-util/lib/notifications.js"; +import { TalerErrorCode } from "../../taler-wallet-core/node_modules/@gnu-taler/taler-util/lib/taler-error-codes.js"; +import { + CoreApiEnvelope, + CoreApiResponse, + CoreApiResponseSuccess, +} from "../../taler-wallet-core/node_modules/@gnu-taler/taler-util/lib/walletTypes.js"; + +export { handleWorkerError, handleWorkerMessage }; + +export class NativeHttpLib implements HttpRequestLibrary { + useNfcTunnel = false; + + private nodeHttpLib: HttpRequestLibrary = new NodeHttpLib(); + + private requestId = 1; + + private requestMap: { + [id: number]: OpenedPromise; + } = {}; + + constructor(private sendMessage: (m: string) => void) {} + + fetch(url: string, opt?: HttpRequestOptions): Promise { + return this.nodeHttpLib.fetch(url, opt); + } + + get(url: string, opt?: HttpRequestOptions): Promise { + if (this.useNfcTunnel) { + const myId = this.requestId++; + const p = openPromise(); + this.requestMap[myId] = p; + const request = { + method: "get", + url, + }; + this.sendMessage( + JSON.stringify({ + type: "tunnelHttp", + request, + id: myId, + }), + ); + return p.promise; + } else { + return this.nodeHttpLib.get(url, opt); + } + } + + postJson( + url: string, + body: any, + opt?: HttpRequestOptions, + ): Promise { + if (this.useNfcTunnel) { + const myId = this.requestId++; + const p = openPromise(); + this.requestMap[myId] = p; + const request = { + method: "postJson", + url, + body, + }; + this.sendMessage( + JSON.stringify({ type: "tunnelHttp", request, id: myId }), + ); + return p.promise; + } else { + return this.nodeHttpLib.postJson(url, body, opt); + } + } + + handleTunnelResponse(msg: any): void { + const myId = msg.id; + const p = this.requestMap[myId]; + if (!p) { + console.error( + `no matching request for tunneled HTTP response, id=${myId}`, + ); + } + const headers = new Headers(); + if (msg.status != 0) { + const resp: HttpResponse = { + // FIXME: pass through this URL + requestUrl: "", + headers, + status: msg.status, + requestMethod: "FIXME", + json: async () => JSON.parse(msg.responseText), + text: async () => msg.responseText, + bytes: async () => { + throw Error("bytes() not supported for tunnel response"); + }, + }; + p.resolve(resp); + } else { + p.reject(new Error(`unexpected HTTP status code ${msg.status}`)); + } + delete this.requestMap[myId]; + } +} + +function sendNativeMessage(ev: CoreApiEnvelope): void { + // @ts-ignore + const sendMessage = globalThis.__native_sendMessage; + if (typeof sendMessage !== "function") { + const errMsg = + "FATAL: cannot install native wallet listener: native functions missing"; + console.error(errMsg); + throw new Error(errMsg); + } + const m = JSON.stringify(ev); + // @ts-ignore + sendMessage(m); +} + +class NativeWalletMessageHandler { + walletArgs: DefaultNodeWalletArgs | undefined; + maybeWallet: Wallet | undefined; + wp = openPromise(); + httpLib = new NodeHttpLib(); + + /** + * Handle a request from the native wallet. + */ + async handleMessage( + operation: string, + id: string, + args: any, + ): Promise { + const wrapResponse = (result: unknown): CoreApiResponseSuccess => { + return { + type: "response", + id, + operation, + result, + }; + }; + + const reinit = async () => { + const w = await getDefaultNodeWallet(this.walletArgs); + this.maybeWallet = w; + await w.handleCoreApiRequest("initWallet", "native-init", {}); + w.runRetryLoop().catch((e) => { + console.error("Error during wallet retry loop", e); + }); + this.wp.resolve(w); + }; + + switch (operation) { + case "init": { + this.walletArgs = { + notifyHandler: async (notification: WalletNotification) => { + sendNativeMessage({ type: "notification", payload: notification }); + }, + persistentStoragePath: args.persistentStoragePath, + httpLib: this.httpLib, + }; + await reinit(); + return wrapResponse({ + supported_protocol_versions: { + exchange: WALLET_EXCHANGE_PROTOCOL_VERSION, + merchant: WALLET_MERCHANT_PROTOCOL_VERSION, + }, + }); + } + case "startTunnel": { + // this.httpLib.useNfcTunnel = true; + throw Error("not implemented"); + } + case "stopTunnel": { + // this.httpLib.useNfcTunnel = false; + throw Error("not implemented"); + } + case "tunnelResponse": { + // httpLib.handleTunnelResponse(msg.args); + throw Error("not implemented"); + } + case "reset": { + const oldArgs = this.walletArgs; + this.walletArgs = { ...oldArgs }; + if (oldArgs && oldArgs.persistentStoragePath) { + try { + fs.unlinkSync(oldArgs.persistentStoragePath); + } catch (e) { + console.error("Error while deleting the wallet db:", e); + } + // Prevent further storage! + this.walletArgs.persistentStoragePath = undefined; + } + const wallet = await this.wp.promise; + wallet.stop(); + this.wp = openPromise(); + this.maybeWallet = undefined; + await reinit(); + return wrapResponse({}); + } + default: { + const wallet = await this.wp.promise; + return await wallet.handleCoreApiRequest(operation, id, args); + } + } + } +} + +export function installNativeWalletListener(): void { + const handler = new NativeWalletMessageHandler(); + const onMessage = async (msgStr: any): Promise => { + if (typeof msgStr !== "string") { + console.error("expected string as message"); + return; + } + const msg = JSON.parse(msgStr); + const operation = msg.operation; + if (typeof operation !== "string") { + console.error( + "message to native wallet helper must contain operation of type string", + ); + return; + } + const id = msg.id; + console.log(`native listener: got request for ${operation} (${id})`); + + try { + const respMsg = await handler.handleMessage(operation, id, msg.args); + console.log( + `native listener: sending success response for ${operation} (${id})`, + ); + sendNativeMessage(respMsg); + } catch (e) { + const respMsg: CoreApiResponse = { + type: "error", + id, + operation, + error: makeErrorDetails( + TalerErrorCode.WALLET_UNEXPECTED_EXCEPTION, + "unexpected exception", + {}, + ), + }; + sendNativeMessage(respMsg); + return; + } + }; + + // @ts-ignore + globalThis.__native_onMessage = onMessage; + + console.log("native wallet listener installed"); +} diff --git a/packages/taler-wallet-embedded/tsconfig.json b/packages/taler-wallet-embedded/tsconfig.json new file mode 100644 index 000000000..62be133ef --- /dev/null +++ b/packages/taler-wallet-embedded/tsconfig.json @@ -0,0 +1,28 @@ +{ + "compileOnSave": true, + "compilerOptions": { + "composite": true, + "declaration": true, + "declarationMap": true, + "target": "ES6", + "module": "ESNext", + "moduleResolution": "node", + "sourceMap": true, + "lib": ["es6"], + "noImplicitReturns": true, + "noFallthroughCasesInSwitch": true, + "strict": true, + "strictPropertyInitialization": false, + "outDir": "lib", + "noImplicitAny": true, + "noImplicitThis": true, + "allowJs": true, + "checkJs": true, + "incremental": true, + "esModuleInterop": true, + "importHelpers": true, + "rootDir": "./src", + "typeRoots": ["./node_modules/@types"] + }, + "include": ["src/**/*"] +} -- cgit v1.2.3