131 lines
4.8 KiB
TypeScript
131 lines
4.8 KiB
TypeScript
import React, { useEffect, useState } from 'react';
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import { Websocket } from '@/plugins/Websocket';
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import { ServerContext } from '@/state/server';
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import getWebsocketToken from '@/api/server/getWebsocketToken';
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import ContentContainer from '@/components/elements/ContentContainer';
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import { CSSTransition } from 'react-transition-group';
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import Spinner from '@/components/elements/Spinner';
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import tw from 'twin.macro';
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const reconnectErrors = [
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'jwt: exp claim is invalid',
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'jwt: created too far in past (denylist)',
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];
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export default () => {
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let updatingToken = false;
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const [ error, setError ] = useState<'connecting' | string>('');
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const { connected, instance } = ServerContext.useStoreState(state => state.socket);
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const uuid = ServerContext.useStoreState(state => state.server.data?.uuid);
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const setServerStatus = ServerContext.useStoreActions(actions => actions.status.setServerStatus);
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const { setInstance, setConnectionState } = ServerContext.useStoreActions(actions => actions.socket);
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const updateToken = (uuid: string, socket: Websocket) => {
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if (updatingToken) return;
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updatingToken = true;
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getWebsocketToken(uuid)
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.then(data => socket.setToken(data.token, true))
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.catch(error => console.error(error))
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.then(() => {
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updatingToken = false;
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});
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};
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const connect = (uuid: string) => {
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const socket = new Websocket();
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socket.on('auth success', () => setConnectionState(true));
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socket.on('SOCKET_CLOSE', () => setConnectionState(false));
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socket.on('SOCKET_ERROR', () => {
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setError('connecting');
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setConnectionState(false);
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});
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socket.on('status', (status) => setServerStatus(status));
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socket.on('daemon error', message => {
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console.warn('Got error message from daemon socket:', message);
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});
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socket.on('token expiring', () => updateToken(uuid, socket));
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socket.on('token expired', () => updateToken(uuid, socket));
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socket.on('jwt error', (error: string) => {
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setConnectionState(false);
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console.warn('JWT validation error from wings:', error);
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if (reconnectErrors.find(v => error.toLowerCase().indexOf(v) >= 0)) {
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updateToken(uuid, socket);
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} else {
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setError('There was an error validating the credentials provided for the websocket. Please refresh the page.');
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}
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});
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socket.on('transfer status', (status: string) => {
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if (status === 'starting' || status === 'success') {
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return;
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}
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// This code forces a reconnection to the websocket which will connect us to the target node instead of the source node
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// in order to be able to receive transfer logs from the target node.
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socket.close();
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setError('connecting');
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setConnectionState(false);
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setInstance(null);
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connect(uuid);
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});
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getWebsocketToken(uuid)
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.then(data => {
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// Connect and then set the authentication token.
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socket.setToken(data.token).connect(data.socket);
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// Once that is done, set the instance.
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setInstance(socket);
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})
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.catch(error => console.error(error));
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};
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useEffect(() => {
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connected && setError('');
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}, [ connected ]);
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useEffect(() => {
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return () => {
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instance && instance.close();
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};
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}, [ instance ]);
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useEffect(() => {
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// If there is already an instance or there is no server, just exit out of this process
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// since we don't need to make a new connection.
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if (instance || !uuid) {
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return;
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}
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connect(uuid);
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}, [ uuid ]);
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return (
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error ?
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<CSSTransition timeout={150} in appear classNames={'fade'}>
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<div css={tw`bg-red-500 py-2`}>
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<ContentContainer css={tw`flex items-center justify-center`}>
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{error === 'connecting' ?
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<>
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<Spinner size={'small'}/>
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<p css={tw`ml-2 text-sm text-red-100`}>
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We're having some trouble connecting to your server, please wait...
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</p>
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</>
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:
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<p css={tw`ml-2 text-sm text-white`}>
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{error}
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</p>
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}
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</ContentContainer>
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</div>
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</CSSTransition>
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:
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null
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);
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};
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