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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | 520x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 24x 6x 6x 18x 18x 21x 3x 3x 18x 27x | import { ReactElement, useEffect } from "react";
import { useNavigate, useSearchParams } from "react-router";
import { AppRoute } from "client/app/routes";
import { Loading } from "client/components/Loading";
import { useAppDispatch } from "client/utils/hooks";
import {
clearKompassiLoginState,
getKompassiLoginState,
} from "client/utils/sessionStorage";
import {
LoginErrorMessage,
submitKompassiLogin,
} from "client/views/login/loginThunks";
export const KompassiLoginCallback = (): ReactElement => {
const dispatch = useAppDispatch();
const navigate = useNavigate();
const [searchParams] = useSearchParams();
const code = searchParams.get("code");
const error = searchParams.get("error");
const state = searchParams.get("state");
useEffect(() => {
const fetchData = async (): Promise<void> => {
// Read and drop the state before branching: it has to be single use, so
// a denied or abandoned login must not leave one behind that a later
// callback could satisfy
const expectedState = getKompassiLoginState();
clearKompassiLoginState();
if (code) {
// The state is session-scoped, so only the tab that started the login
// holds it: a mismatch means this callback answers a request we did
// not make
if (!expectedState || state !== expectedState) {
await navigate(
`${AppRoute.LOGIN}?error=${LoginErrorMessage.LOGIN_FAILED}`,
);
return;
}
const errorMessage = await dispatch(submitKompassiLogin(code));
Iif (errorMessage) {
await navigate(`${AppRoute.LOGIN}?error=${errorMessage}`);
return;
}
}
if (error) {
await navigate(AppRoute.LOGIN);
return;
}
await navigate(AppRoute.ROOT);
};
// eslint-disable-next-line @typescript-eslint/no-floating-promises
fetchData();
}, [code, error, state, dispatch, navigate]);
return <Loading />;
};
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