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author | Florian Dold <florian.dold@gmail.com> | 2020-08-03 13:00:48 +0530 |
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committer | Florian Dold <florian.dold@gmail.com> | 2020-08-03 13:01:05 +0530 |
commit | ffd2a62c3f7df94365980302fef3bc3376b48182 (patch) | |
tree | 270af6f16b4cc7f5da2afdba55c8bc9dbea5eca5 /src/android/index.ts | |
parent | aa481e42675fb7c4dcbbeec0ba1c61e1953b9596 (diff) | |
download | wallet-core-ffd2a62c3f7df94365980302fef3bc3376b48182.tar.xz |
modularize repo, use pnpm, improve typechecking
Diffstat (limited to 'src/android/index.ts')
-rw-r--r-- | src/android/index.ts | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/src/android/index.ts b/src/android/index.ts deleted file mode 100644 index 389a081b7..000000000 --- a/src/android/index.ts +++ /dev/null @@ -1,287 +0,0 @@ -/* - 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 <http://www.gnu.org/licenses/> - */ - -/** - * Imports. - */ -import { Wallet } from "../wallet"; -import { - getDefaultNodeWallet, - DefaultNodeWalletArgs, -} from "../headless/helpers"; -import { openPromise, OpenedPromise } from "../util/promiseUtils"; -import fs from "fs"; -import { - HttpRequestLibrary, - HttpResponse, - HttpRequestOptions, - Headers, -} from "../util/http"; -import { NodeHttpLib } from "../headless/NodeHttpLib"; -import { WalletNotification } from "../types/notifications"; -import { - WALLET_EXCHANGE_PROTOCOL_VERSION, - WALLET_MERCHANT_PROTOCOL_VERSION, -} from "../operations/versions"; -import { - handleCoreApiRequest, - CoreApiResponseSuccess, - CoreApiResponse, - CoreApiEnvelope, -} from "../walletCoreApiHandler"; -import { makeErrorDetails } from "../operations/errors"; -import { TalerErrorCode } from "../TalerErrorCode"; - -// @ts-ignore: special built-in module -//import akono = require("akono"); - -export { - handleWorkerError, - handleWorkerMessage, -} from "../crypto/workers/nodeThreadWorker"; - -export class AndroidHttpLib implements HttpRequestLibrary { - useNfcTunnel = false; - - private nodeHttpLib: HttpRequestLibrary = new NodeHttpLib(); - - private requestId = 1; - - private requestMap: { [id: number]: OpenedPromise<HttpResponse> } = {}; - - constructor(private sendMessage: (m: string) => void) {} - - get(url: string, opt?: HttpRequestOptions): Promise<HttpResponse> { - if (this.useNfcTunnel) { - const myId = this.requestId++; - const p = openPromise<HttpResponse>(); - 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<import("../util/http").HttpResponse> { - if (this.useNfcTunnel) { - const myId = this.requestId++; - const p = openPromise<HttpResponse>(); - 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, - json: async () => JSON.parse(msg.responseText), - text: async () => msg.responseText, - }; - p.resolve(resp); - } else { - p.reject(new Error(`unexpected HTTP status code ${msg.status}`)); - } - delete this.requestMap[myId]; - } -} - -function sendAkonoMessage(ev: CoreApiEnvelope): void { - // @ts-ignore - const sendMessage = globalThis.__akono_sendMessage; - if (typeof sendMessage !== "function") { - const errMsg = - "FATAL: cannot install android wallet listener: akono functions missing"; - console.error(errMsg); - throw new Error(errMsg); - } - const m = JSON.stringify(ev); - // @ts-ignore - sendMessage(m); -} - -class AndroidWalletMessageHandler { - walletArgs: DefaultNodeWalletArgs | undefined; - maybeWallet: Wallet | undefined; - wp = openPromise<Wallet>(); - httpLib = new NodeHttpLib(); - - /** - * Handle a request from the Android wallet. - */ - async handleMessage( - operation: string, - id: string, - args: any, - ): Promise<CoreApiResponse> { - const wrapResponse = (result: unknown): CoreApiResponseSuccess => { - return { - type: "response", - id, - operation, - result, - }; - }; - switch (operation) { - case "init": { - this.walletArgs = { - notifyHandler: async (notification: WalletNotification) => { - sendAkonoMessage({ type: "notification", payload: notification }); - }, - persistentStoragePath: args.persistentStoragePath, - httpLib: this.httpLib, - }; - const w = await getDefaultNodeWallet(this.walletArgs); - this.maybeWallet = w; - w.runRetryLoop().catch((e) => { - console.error("Error during wallet retry loop", e); - }); - this.wp.resolve(w); - return wrapResponse({ - supported_protocol_versions: { - exchange: WALLET_EXCHANGE_PROTOCOL_VERSION, - merchant: WALLET_MERCHANT_PROTOCOL_VERSION, - }, - }); - } - case "getHistory": { - return wrapResponse({ history: [] }); - } - 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<Wallet>(); - this.maybeWallet = undefined; - const w = await getDefaultNodeWallet(this.walletArgs); - this.maybeWallet = w; - w.runRetryLoop().catch((e) => { - console.error("Error during wallet retry loop", e); - }); - this.wp.resolve(w); - return wrapResponse({}); - } - default: { - const wallet = await this.wp.promise; - return await handleCoreApiRequest(wallet, operation, id, args); - } - } - } -} - -export function installAndroidWalletListener(): void { - const handler = new AndroidWalletMessageHandler(); - const onMessage = async (msgStr: any): Promise<void> => { - 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 android wallet helper must contain operation of type string", - ); - return; - } - const id = msg.id; - console.log(`android listener: got request for ${operation} (${id})`); - - try { - const respMsg = await handler.handleMessage(operation, id, msg.args); - console.log( - `android listener: sending success response for ${operation} (${id})`, - ); - sendAkonoMessage(respMsg); - } catch (e) { - const respMsg: CoreApiResponse = { - type: "error", - id, - operation, - error: makeErrorDetails( - TalerErrorCode.WALLET_UNEXPECTED_EXCEPTION, - "unexpected exception", - {}, - ), - }; - sendAkonoMessage(respMsg); - return; - } - }; - - // @ts-ignore - globalThis.__akono_onMessage = onMessage; - - console.log("android wallet listener installed"); -} |