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// pages/index.tsx
import Head from 'next/head';
import { useEffect, useRef, useState } from 'react';
import Box from '../../components/Box';
import TextArea from '../../components/TextArea';
import Input from '../../components/Input';
import Button from '../../components/Button';
import Markdown from '../../components/Markdown';
import Typography from '../../components/Typography';
import PathCrumbs from "../../components/PathCrumbs";
import Script from 'next/script';
// @ts-ignore
import desc from './desc.md';
/*
* HOOK THE MODULE FROM THE DOM
*/
interface Wg2ndModule {
wg2nd_cmdseq: (intfName : string, intfconfig : string) => string;
}
declare global {
interface Window {
Wg2ndModule: any;
wg2ndOnLoad: (module : Wg2ndModule) => void
}
}
const useModule = <T extends any>(onInitCallback? : (module: T) => void): T | null => {
const [module, setModule] = useState<T | null>(null);
function setModuleWithCallback(module : T) {
console.log('setting module');
if(onInitCallback !== undefined) {
onInitCallback(module);
}
setModule(module);
}
useEffect(() => {
window.wg2ndOnLoad = function() {
setModuleWithCallback(window.Wg2ndModule);
}
if(module === null && typeof window.Wg2ndModule === "object") {
setModuleWithCallback(window.Wg2ndModule);
}
});
return module;
};
const DEMO_CONFIG = `[Interface]
PrivateKey = 0OCS+dV5wsDje6qUAEDQzPmTNWOLE9HE8kfGU1wJUE0=
Address = 10.55.127.342/32, ab00:aaaa:aaa:aa02::5:abcd/128
DNS = 10.64.0.1
[Peer]
PublicKey = WBSnuq6Vswxz5G5zz9pUt60ZSA+JfZ1iTXdg0RJGjks=
AllowedIPs = 0.0.0.0/0,::0/0
Endpoint = 128.45.210.64:51821
`;
let rows = 0;
for(const char of DEMO_CONFIG)
if(char == '\n') rows++;
interface PanelProps {
children?: React.ReactNode;
customStyle?: React.CSSProperties;
};
const Panel: React.FC<PanelProps> = ({ children, customStyle }) => (
<section style={{
backgroundColor: '#f8f9fa',
marginTop: '1.5rem',
padding: '1.5rem',
...customStyle
}}>
{children}
</section>
);
const Wg2nd = () => {
const intfNameRef = useRef<HTMLInputElement>(null);
const intfConfigRef = useRef<HTMLTextAreaElement>(null);
const ndConfigRef = useRef<HTMLTextAreaElement>(null);
const parentDebounceDiv = useRef<HTMLDivElement>(null);
const convertConfig = (module : Wg2ndModule) => {
if(intfNameRef.current === null || intfConfigRef.current === null
|| ndConfigRef.current === null || parentDebounceDiv.current === null) {
return;
}
const intfName = intfNameRef.current!.value;
const intfConfig = intfConfigRef.current!.value;
const result = module.wg2nd_cmdseq(intfName, intfConfig);
// This is a hack: adjust a wrapper around the output text area
// Thus, we can detect the scrollHeight of the TextArea without
// the screen moving.
parentDebounceDiv.current!.style.height = ndConfigRef.current!.style.height;
ndConfigRef.current!.style.height = `0px`;
ndConfigRef.current!.value = result;
const scrollHeight = ndConfigRef.current!.scrollHeight;
ndConfigRef.current!.style.height = `${scrollHeight}px`;
parentDebounceDiv.current!.style.height = 'auto';
};
const module = useModule<Wg2ndModule>(convertConfig);
return (
<>
<script src="/wg2nd/wg2nd_bindings.js" />
<main
style={{
maxWidth: '1200px',
margin: 'auto',
}}
>
{/* Description */}
<Panel>
<PathCrumbs path="/wg2nd" />
<Markdown md={desc} />
</Panel>
{/* Input Panel */}
<Panel>
<Typography variant="h3">WireGuard Configuration</Typography>
<Box my={1}>
<label htmlFor="wg_config_intf_name">
<Typography variant="h4" gutter>Interface Name</Typography>
</label>
<Input
ref={intfNameRef}
id="wg_config_intf_name"
defaultValue="wg0"
spellCheck={false}
/>
</Box>
<Box my={1}>
<label htmlFor="wg_config_conf">
<Typography variant="h4" gutter>Interface Configuration</Typography>
</label>
<TextArea
ref={intfConfigRef}
id="wg_config_conf"
defaultValue={DEMO_CONFIG}
rows={rows}
spellCheck={false}
/>
</Box>
<Button
sx={{width: '100%'}}
onClick={(e) => {
if(module !== null) {
convertConfig(module);
}
}}
>Generate</Button>
</Panel>
{/* Output Panel */}
<Panel>
<label htmlFor="nd_config_cmds">
<Typography variant="h3">Networkd Configuration</Typography>
</label>
<Box my={1}>
<div ref={parentDebounceDiv} >
<TextArea
sx={{ overflowY: 'hidden' }}
id="nd_config_cmds"
ref={ndConfigRef}
spellCheck={false}
readOnly
/>
</div>
</Box>
</Panel>
</main>
</>
);
};
export default Wg2nd;
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