65 lines
2.4 KiB
TypeScript
65 lines
2.4 KiB
TypeScript
import express from 'express';
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import fs from 'fs';
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import { dirname, join } from 'path';
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import { compileContractHandler } from './handlers/compile-contract';
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import { compileExpressionHandler } from './handlers/compile-expression';
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import { deployHandler } from './handlers/deploy';
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import { dryRunHandler } from './handlers/dry-run';
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import { evaluateValueHandler } from './handlers/evaluate-value';
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import { runFunctionHandler } from './handlers/run-function';
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import { shareHandler } from './handlers/share';
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import { sharedLinkHandler } from './handlers/shared-link';
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import { loadDefaultState } from './load-state';
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import { errorLoggerMiddleware, loggerMiddleware } from './logger';
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var bodyParser = require('body-parser');
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var escape = require('escape-html');
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const app = express();
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const port = 8080;
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const appRootDirectory =
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process.env['STATIC_ASSETS'] ||
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dirname(require.resolve('../../client/package.json'));
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const appBundleDirectory = join(appRootDirectory, 'build');
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app.use(bodyParser.json());
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app.use(loggerMiddleware);
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const file = fs.readFileSync(join(appBundleDirectory, 'index.html'));
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const template = (defaultState: string = '{}') => {
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return file.toString().replace(
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`<div id="root"></div>`,
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// Injecting a script that contains a default state (Might want to refactor this if we do ssr)
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// Adding an div containing the initial state this is vulnerable to xss
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// To avoid vulnerability we escape it and then parse the content into a global variable
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`
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<input type="hidden" id="initialState" value="${escape(defaultState)}" />
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<div id="root"></div>
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<script>var defaultServerState = JSON.parse(document.getElementById("initialState").value); document.getElementById("initialState").remove()</script>`
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);
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};
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app.use('^/$', async (_, res) =>
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res.send(template(JSON.stringify(await loadDefaultState(appBundleDirectory))))
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);
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app.use(express.static(appBundleDirectory));
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app.get(
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`/p/:hash([0-9a-zA-Z\-\_]+)`,
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sharedLinkHandler(appBundleDirectory, template)
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);
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app.post('/api/compile-contract', compileContractHandler);
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app.post('/api/compile-expression', compileExpressionHandler);
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app.post('/api/dry-run', dryRunHandler);
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app.post('/api/share', shareHandler);
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app.post('/api/evaluate-value', evaluateValueHandler);
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app.post('/api/run-function', runFunctionHandler);
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app.post('/api/deploy', deployHandler);
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app.use(errorLoggerMiddleware);
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app.listen(port, () => {
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console.log(`Listening on: ${port}`);
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});
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