87 lines
2.5 KiB
JavaScript
87 lines
2.5 KiB
JavaScript
import {
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AUTH_APP_CREATED,
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AUTH_LOGGED_IN,
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AUTH_APP_AUTHORIZED,
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AUTH_LOGGED_OUT,
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SWITCH_ACCOUNT,
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VERIFY_CREDENTIALS_SUCCESS,
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VERIFY_CREDENTIALS_FAIL,
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} from '../actions/auth';
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import { Map as ImmutableMap, fromJS } from 'immutable';
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const defaultState = ImmutableMap({
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app: ImmutableMap(),
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tokens: ImmutableMap(),
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me: null,
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});
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const localState = fromJS(JSON.parse(localStorage.getItem('soapbox:auth')));
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const initialState = defaultState.merge(localState);
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const importToken = (state, token) => {
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return state.setIn(['tokens', token.access_token], fromJS(token));
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};
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const importCredentials = (state, token, account) => {
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return state.withMutations(state => {
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state.setIn(['users', account.id], ImmutableMap({
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id: account.id,
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access_token: token,
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}));
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state.setIn(['tokens', token, 'account'], account.id);
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state.update('me', null, me => me || account.id);
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});
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};
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// If `me` doesn't match an existing user, attempt to shift it.
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const maybeShiftMe = state => {
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const users = state.get('users', ImmutableMap());
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const me = state.get('me');
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if (!users.get(me)) {
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return state.set('me', users.first(ImmutableMap()).get('id'));
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} else {
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return state;
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}
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};
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const importFailedToken = (state, token) => {
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return state.withMutations(state => {
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state.update('tokens', ImmutableMap(), tokens => tokens.delete(token));
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state.update('users', ImmutableMap(), users => users.filterNot(user => user.get('access_token') === token));
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maybeShiftMe(state);
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});
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};
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const reducer = (state, action) => {
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switch(action.type) {
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case AUTH_APP_CREATED:
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return state.set('app', fromJS(action.app));
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case AUTH_APP_AUTHORIZED:
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return state.update('app', ImmutableMap(), app => app.merge(fromJS(action.app)));
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case AUTH_LOGGED_IN:
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return importToken(state, action.token);
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case AUTH_LOGGED_OUT:
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return state.set('user', ImmutableMap());
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case VERIFY_CREDENTIALS_SUCCESS:
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return importCredentials(state, action.token, action.account);
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case VERIFY_CREDENTIALS_FAIL:
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return importFailedToken(state, action.token);
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case SWITCH_ACCOUNT:
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return state.set('me', action.accountId);
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default:
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return state;
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}
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};
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export default function auth(oldState = initialState, action) {
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const state = reducer(oldState, action);
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localStorage.setItem('soapbox:auth', JSON.stringify(state.toJS()));
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// Reload the page when the current user changes.
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if (state.get('me') !== oldState.get('me')) {
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location.reload();
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}
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return state;
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};
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