diff options
author | Florian Dold <florian.dold@gmail.com> | 2017-05-27 22:56:35 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-27 22:56:35 +0200 |
commit | bd17ead09a1baad43e8947d729f43257b4fb6d08 (patch) | |
tree | 6163df4124db907cf1e62be4e1ffc458edd85d8a /src/crypto | |
parent | 478a089e521de81ca47fc54518bc6a241823d9ae (diff) |
missing files
Diffstat (limited to 'src/crypto')
-rw-r--r-- | src/crypto/nodeWorker.ts | 73 | ||||
-rw-r--r-- | src/crypto/nodeWorkerEntry.ts | 79 | ||||
-rw-r--r-- | src/crypto/startWorker.js | 41 |
3 files changed, 193 insertions, 0 deletions
diff --git a/src/crypto/nodeWorker.ts b/src/crypto/nodeWorker.ts new file mode 100644 index 000000000..afa2930a8 --- /dev/null +++ b/src/crypto/nodeWorker.ts @@ -0,0 +1,73 @@ +/* + This file is part of TALER + (C) 2016 GNUnet e.V. + + 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. + + 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 + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +const path = require("path"); +const fork = require("child_process").fork; + +const nodeWorkerEntry = path.join(__dirname, "nodeWorkerEntry.js"); + +export class Worker { + child: any; + onmessage: undefined | ((m: any) => void); + onerror: undefined | ((m: any) => void); + constructor(scriptFilename: string) { + this.child = fork(nodeWorkerEntry); + this.onerror = undefined; + this.onmessage = undefined; + + this.child.on("error", (e: any) => { + if (this.onerror) { + this.onerror(e); + } + }); + + this.child.on("message", (msg: any) => { + const message = JSON.parse(msg); + + if (!message.error && this.onmessage) { + this.onmessage(message); + } + + if (message.error && this.onerror) { + const error = new Error(message.error); + error.stack = message.stack; + + this.onerror(error); + } + }); + + this.child.send({scriptFilename,cwd: process.cwd()}); + } + + addEventListener(event: "message" | "error", fn: (x: any) => void): void { + switch (event) { + case "message": + this.onmessage = fn; + break; + case "error": + this.onerror = fn; + break; + } + } + + postMessage (msg: any) { + this.child.send(JSON.stringify({data: msg})); + } + + terminate () { + this.child.kill("SIGINT"); + } +} diff --git a/src/crypto/nodeWorkerEntry.ts b/src/crypto/nodeWorkerEntry.ts new file mode 100644 index 000000000..aa6f57599 --- /dev/null +++ b/src/crypto/nodeWorkerEntry.ts @@ -0,0 +1,79 @@ +/* + This file is part of TALER + (C) 2016 GNUnet e.V. + + 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. + + 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 + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + + +const fs = require("fs"); +const vm = require("vm"); + +process.once("message", (obj: any) => { + const g: any = global as any; + + (g as any).self = { + close: () => { + process.exit(0); + }, + postMessage: (msg: any) => { + const str: string = JSON.stringify({data: msg}); + if (process.send) { + process.send(str); + } + }, + onmessage: undefined, + onerror: (err: any) => { + const str: string = JSON.stringify({error: err.message, stack: err.stack}); + if (process.send) { + process.send(str); + } + }, + addEventListener: (event: "error" | "message", fn: (x: any) => void) => { + if (event == "error") { + g.onerror = fn; + } else if (event == "message") { + g.onmessage = fn; + } + }, + }; + + g.__dirname = obj.cwd; + g.__filename = __filename; + //g.require = require; + //g.module = module; + //g.exports = module.exports; + + g.importScripts = (...files: string[]) => { + if (files.length > 0) { + vm.createScript(files.map(file => fs.readFileSync(file, "utf8")).join("\n")).runInThisContext(); + } + }; + + Object.keys(g.self).forEach(key => { + g[key] = g.self[key]; + }); + + process.on("message", (msg: any) => { + try { + (g.onmessage || g.self.onmessage || (() => {}))(JSON.parse(msg)); + } catch (err) { + (g.onerror || g.self.onerror || (() => {}))(err); + } + }); + + process.on("error", (err: any) => { + (g.onerror || g.self.onerror || (() => {}))(err); + }); + + require(obj.scriptFilename); +}); diff --git a/src/crypto/startWorker.js b/src/crypto/startWorker.js new file mode 100644 index 000000000..a64152c64 --- /dev/null +++ b/src/crypto/startWorker.js @@ -0,0 +1,41 @@ +/* + This file is part of TALER + (C) 2017 Inria and GNUnet e.V. + + 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. + + 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 + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + + +// @ts-nocheck + + +/** + * Start a crypto worker, using different worker + * mechanisms depending on the environment. + * + * @returns {Worker} + */ +export function startWorker() { + let workerCtor; + let workerPath; + if (typeof Worker !== "undefined") { + // we're in the browser + workerCtor = Worker; + workerPath = "/dist/cryptoWorker-bundle.js"; + } else if (typeof "require" !== "undefined") { + workerCtor = require("./nodeWorker").Worker; + workerPath = __dirname + "/cryptoWorker.js"; + } else { + throw Error("Can't create worker, unknown environment"); + } + return new workerCtor(workerPath); +} |