189 lines
5.0 KiB
TypeScript
189 lines
5.0 KiB
TypeScript
import Vue from 'vue';
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import VueApollo from 'vue-apollo';
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import { ApolloLink, Observable } from 'apollo-link';
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import { InMemoryCache, IntrospectionFragmentMatcher } from 'apollo-cache-inmemory';
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import { onError } from 'apollo-link-error';
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import { createLink } from 'apollo-absinthe-upload-link';
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import { GRAPHQL_API_ENDPOINT, GRAPHQL_API_FULL_PATH } from './api/_entrypoint';
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import { ApolloClient } from 'apollo-client';
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import { DollarApollo } from 'vue-apollo/types/vue-apollo';
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import { buildCurrentUserResolver } from '@/apollo/user';
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import { isServerError } from '@/types/apollo';
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import { inspect } from 'util';
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import { REFRESH_TOKEN } from '@/graphql/auth';
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import { AUTH_ACCESS_TOKEN, AUTH_REFRESH_TOKEN } from '@/constants';
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import { logout, saveTokenData } from '@/utils/auth';
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// Install the vue plugin
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Vue.use(VueApollo);
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// Http endpoint
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const httpServer = GRAPHQL_API_ENDPOINT || 'http://localhost:4000';
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const httpEndpoint = GRAPHQL_API_FULL_PATH || `${httpServer}/api`;
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const fragmentMatcher = new IntrospectionFragmentMatcher({
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introspectionQueryResultData: {
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__schema: {
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types: [
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{
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kind: 'UNION',
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name: 'SearchResult',
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possibleTypes: [
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{ name: 'Event' },
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{ name: 'Person' },
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{ name: 'Group' },
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],
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},
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{
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kind: 'INTERFACE',
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name: 'Actor',
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possibleTypes: [
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{ name: 'Person' },
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{ name: 'Group' },
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],
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},
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],
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},
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},
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});
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const authMiddleware = new ApolloLink((operation, forward) => {
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// add the authorization to the headers
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operation.setContext({
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headers: {
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authorization: generateTokenHeader(),
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},
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});
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if (forward) return forward(operation);
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return null;
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});
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const uploadLink = createLink({
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uri: httpEndpoint,
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});
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let refreshingTokenPromise: Promise<boolean> | undefined;
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let alreadyRefreshedToken = false;
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const errorLink = onError(({ graphQLErrors, networkError, forward, operation }) => {
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if (isServerError(networkError) && networkError.statusCode === 401 && !alreadyRefreshedToken) {
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if (!refreshingTokenPromise) refreshingTokenPromise = refreshAccessToken();
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return promiseToObservable(refreshingTokenPromise).flatMap(() => {
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refreshingTokenPromise = undefined;
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alreadyRefreshedToken = true;
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const context = operation.getContext();
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const oldHeaders = context.headers;
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operation.setContext({
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headers: {
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...oldHeaders,
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authorization: generateTokenHeader(),
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},
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});
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return forward(operation);
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});
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}
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if (graphQLErrors) {
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graphQLErrors.forEach(({ message, locations, path }) =>
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console.log(`[GraphQL error]: Message: ${message}, Location: ${locations}, Path: ${path}`),
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);
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}
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if (networkError) console.log(`[Network error]: ${networkError}`);
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});
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const link = authMiddleware
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.concat(errorLink)
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.concat(uploadLink);
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const cache = new InMemoryCache({ fragmentMatcher });
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const apolloClient = new ApolloClient({
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cache,
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link,
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connectToDevTools: true,
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resolvers: buildCurrentUserResolver(cache)
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});
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export const apolloProvider = new VueApollo({
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defaultClient: apolloClient,
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errorHandler(error) {
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// eslint-disable-next-line no-console
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console.log('%cError', 'background: red; color: white; padding: 2px 4px; border-radius: 3px; font-weight: bold;', error.message);
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},
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});
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// Manually call this when user log in
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export function onLogin(apolloClient) {
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// if (apolloClient.wsClient) restartWebsockets(apolloClient.wsClient);
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}
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// Manually call this when user log out
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export async function onLogout() {
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// if (apolloClient.wsClient) restartWebsockets(apolloClient.wsClient);
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try {
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await apolloClient.resetStore();
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} catch (e) {
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// eslint-disable-next-line no-console
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console.log('%cError on cache reset (logout)', 'color: orange;', e.message);
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}
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}
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async function refreshAccessToken() {
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// Remove invalid access token, so the next request is not authenticated
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localStorage.removeItem(AUTH_ACCESS_TOKEN);
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const refreshToken = localStorage.getItem(AUTH_REFRESH_TOKEN);
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console.log('Refreshing access token.');
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try {
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const res = await apolloClient.mutate({
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mutation: REFRESH_TOKEN,
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variables: {
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refreshToken,
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},
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});
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saveTokenData(res.data.refreshToken);
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return true;
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} catch (err) {
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return false;
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}
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}
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function generateTokenHeader() {
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const token = localStorage.getItem(AUTH_ACCESS_TOKEN);
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return token ? `Bearer ${token}` : null;
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}
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// Thanks: https://github.com/apollographql/apollo-link/issues/747#issuecomment-502676676
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const promiseToObservable = <T> (promise: Promise<T>) => {
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return new Observable<T>((subscriber) => {
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promise.then(
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(value) => {
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if (subscriber.closed) {
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return;
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}
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subscriber.next(value);
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subscriber.complete();
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},
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(err) => {
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console.error('Cannot refresh token.', err);
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subscriber.error(err);
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logout(apolloClient);
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},
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);
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});
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};
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