mobilizon/js/src/vue-apollo.ts
2021-09-29 20:24:55 +02:00

230 lines
6.3 KiB
TypeScript

import Vue from "vue";
import VueApollo from "@vue/apollo-option";
import { onError } from "@apollo/client/link/error";
import { createLink } from "apollo-absinthe-upload-link";
import {
ApolloClient,
ApolloLink,
defaultDataIdFromObject,
fromPromise,
InMemoryCache,
NormalizedCacheObject,
split,
} from "@apollo/client/core";
import { RetryLink } from "@apollo/client/link/retry";
import { Socket as PhoenixSocket } from "phoenix";
import * as AbsintheSocket from "@absinthe/socket";
import { createAbsintheSocketLink } from "@absinthe/socket-apollo-link";
import { getMainDefinition } from "@apollo/client/utilities";
import fetch from "unfetch";
import buildCurrentUserResolver from "@/apollo/user";
import { AUTH_ACCESS_TOKEN } from "@/constants";
import { logout } from "@/utils/auth";
import { GRAPHQL_API_ENDPOINT, GRAPHQL_API_FULL_PATH } from "./api/_entrypoint";
import {
possibleTypes,
typePolicies,
refreshAccessToken,
} from "./apollo/utils";
import { GraphQLError } from "graphql";
// Install the vue plugin
Vue.use(VueApollo);
let isRefreshing = false;
let pendingRequests: any[] = [];
// Endpoints
const httpServer = GRAPHQL_API_ENDPOINT || "http://localhost:4000";
const httpEndpoint = GRAPHQL_API_FULL_PATH || `${httpServer}/api`;
const webSocketPrefix = process.env.NODE_ENV === "production" ? "wss" : "ws";
const wsEndpoint = `${webSocketPrefix}${httpServer.substring(
httpServer.indexOf(":")
)}/graphql_socket`;
function generateTokenHeader() {
const token = localStorage.getItem(AUTH_ACCESS_TOKEN);
return token ? `Bearer ${token}` : null;
}
const authMiddleware = new ApolloLink((operation, forward) => {
// add the authorization to the headers
operation.setContext({
headers: {
authorization: generateTokenHeader(),
},
});
if (forward) return forward(operation);
return null;
});
const customFetch = async (uri: string, options: any) => {
const response = await fetch(uri, options);
if (response.status >= 400) {
return Promise.reject(response.status);
}
return response;
};
const uploadLink = createLink({
uri: httpEndpoint,
fetch: customFetch,
});
const phoenixSocket = new PhoenixSocket(wsEndpoint, {
params: () => {
const token = localStorage.getItem(AUTH_ACCESS_TOKEN);
if (token) {
return { token };
}
return {};
},
});
const absintheSocket = AbsintheSocket.create(phoenixSocket);
const wsLink = createAbsintheSocketLink(absintheSocket);
const link = split(
// split based on operation type
({ query }) => {
const definition = getMainDefinition(query);
return (
definition.kind === "OperationDefinition" &&
definition.operation === "subscription"
);
},
wsLink,
uploadLink
);
const resolvePendingRequests = () => {
pendingRequests.map((callback) => callback());
pendingRequests = [];
};
const isAuthError = (graphQLError: GraphQLError | undefined) => {
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
return graphQLError && [403, 401].includes(graphQLError.status_code);
};
const errorLink = onError(
({ graphQLErrors, networkError, forward, operation }) => {
console.debug("We have an apollo error", [graphQLErrors, networkError]);
if (
graphQLErrors?.some((graphQLError) => isAuthError(graphQLError)) ||
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
networkError === 401
) {
console.debug("It's a authorization error (statusCode 401)");
let forwardOperation;
if (!isRefreshing) {
console.debug("Setting isRefreshing to true");
isRefreshing = true;
forwardOperation = fromPromise(
refreshAccessToken(apolloClient)
.then((res) => {
if (res !== true) {
// failed to refresh the token
throw "Failed to refresh the token";
}
resolvePendingRequests();
const context = operation.getContext();
const oldHeaders = context.headers;
operation.setContext({
headers: {
...oldHeaders,
authorization: generateTokenHeader(),
},
});
return true;
})
.catch((e) => {
console.debug("Something failed, let's logout", e);
pendingRequests = [];
// don't perform a logout since we don't have any working access/refresh tokens
logout(apolloClient, false);
return;
})
.finally(() => {
isRefreshing = false;
})
).filter((value) => Boolean(value));
} else {
forwardOperation = fromPromise(
new Promise((resolve) => {
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
pendingRequests.push(() => resolve());
})
);
}
return forwardOperation.flatMap(() => forward(operation));
}
if (graphQLErrors) {
graphQLErrors.map(
(graphQLError: GraphQLError & { status_code?: number }) => {
if (graphQLError?.status_code !== 401) {
console.log(
`[GraphQL error]: Message: ${graphQLError.message}, Location: ${graphQLError.locations}, Path: ${graphQLError.path}`
);
}
}
);
}
if (networkError) {
console.error(`[Network error]: ${networkError}`);
}
}
);
const retryLink = new RetryLink();
const fullLink = authMiddleware
.concat(retryLink)
.concat(errorLink)
.concat(link);
const cache = new InMemoryCache({
addTypename: true,
typePolicies,
possibleTypes,
dataIdFromObject: (object: any) => {
if (object.__typename === "Address") {
return object.origin_id;
}
return defaultDataIdFromObject(object);
},
});
const apolloClient = new ApolloClient<NormalizedCacheObject>({
cache,
link: fullLink,
connectToDevTools: true,
resolvers: buildCurrentUserResolver(cache),
});
export default new VueApollo({
defaultClient: apolloClient,
errorHandler(error) {
// eslint-disable-next-line no-console
console.log(
"%cError",
"background: red; color: white; padding: 2px 4px; border-radius: 3px; font-weight: bold;",
error.message
);
console.error(error);
},
});