111 lines
3.5 KiB
JavaScript
111 lines
3.5 KiB
JavaScript
const RunCode = require('./runCode.js');
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const EmbarkJS = require('embarkjs');
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const IpfsApi = require('ipfs-api');
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const Web3 = require('web3');
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class CodeRunner {
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constructor(options) {
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this.config = options.config;
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this.plugins = options.plugins;
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this.logger = options.logger;
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this.events = options.events;
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this.ipc = options.ipc;
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this.commands = [];
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this.runCode = new RunCode();
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let self = this;
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if (this.ipc.isServer()) {
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this.ipc.on('runcode:getCommands', (_err, callback) => {
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let result = {web3Config: self.runCode.getWeb3Config(), commands: self.commands};
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callback(null, result);
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});
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}
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if (this.ipc.isClient() && this.ipc.connected) {
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this.ipc.listenTo('runcode:newCommand', function (command) {
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if (command.varName) {
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self.events.emit("runcode:register", command.varName, command.code);
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} else {
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self.events.request("runcode:eval", command.code);
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}
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});
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}
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if (!this.ipc.connected) {
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this.runCode.registerVar('IpfsApi', IpfsApi);
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this.runCode.registerVar('Web3', Web3);
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this.runCode.registerVar('EmbarkJS', EmbarkJS);
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this.events.on('code-generator-ready', () => {
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this.events.request('code-generator:embarkjs:provider-code', (code) => {
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this.runCode.doEval(code);
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const codeTypes = {
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'communication': this.config.communicationConfig || {},
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'names': this.config.namesystemConfig || {},
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'storage': this.config.storageConfig || {}
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};
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let initProvidersCode = '';
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let initCodes = this.plugins.getPluginsFor('initConsoleCode');
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for (let plugin of initCodes) {
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for (let codeTypeName of Object.keys(codeTypes)) {
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let initCodes = plugin.embarkjs_init_console_code[codeTypeName] || [];
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for (let initCode of initCodes) {
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let [block, shouldInit] = initCode;
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if (shouldInit.call(plugin, codeTypes[codeTypeName])) {
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initProvidersCode += block;
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}
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}
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}
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}
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this.runCode.doEval(initProvidersCode);
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});
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});
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}
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this.events.on("runcode:register", (varName, code) => {
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if (self.ipc.isServer() && varName !== 'web3') {
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self.commands.push({varName, code});
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self.ipc.broadcast("runcode:newCommand", {varName, code});
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}
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self.runCode.registerVar(varName, code);
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});
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this.events.setCommandHandler('runcode:getContext', (cb) => {
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cb(self.runCode.context);
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});
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this.events.setCommandHandler('runcode:eval', (code, cb, forConsoleOnly = false) => {
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if (!cb) {
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cb = function() {};
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}
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const awaitIdx = code.indexOf('await');
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if (awaitIdx > -1) {
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if (awaitIdx < 2) {
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let end = code.length;
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if (code[end - 1] === ';') {
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end--; // Remove the `;` because we add function calls
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}
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code = code.substring(5, end); // remove await keyword
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} else {
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code = `(async function() {${code}})();`;
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}
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}
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let result = self.runCode.doEval(code);
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if (forConsoleOnly && self.ipc.isServer()) {
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self.commands.push({code});
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self.ipc.broadcast("runcode:newCommand", {code});
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}
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if (result instanceof Promise) {
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return result.then((value) => cb(null, value)).catch(cb);
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}
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cb(null, result);
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});
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}
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}
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module.exports = CodeRunner;
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