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/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
"use strict";
const Promise = require("bluebird");
const React = require("react");
const Redux = require("react-redux");
const { setInstance } = require("../redux/reducers/oauth").actions;
const api = require("../lib/api");
module.exports = function Login({error}) {
const dispatch = Redux.useDispatch();
const [ instanceField, setInstanceField ] = React.useState("");
const [ errorMsg, setErrorMsg ] = React.useState();
const instanceFieldRef = React.useRef("");
React.useEffect(() => {
// check if current domain runs an instance
let currentDomain = window.location.origin;
Promise.try(() => {
return dispatch(api.instance.fetchWithoutStore(currentDomain));
}).then(() => {
if (instanceFieldRef.current.length == 0) { // user hasn't started typing yet
dispatch(setInstance(currentDomain));
instanceFieldRef.current = currentDomain;
setInstanceField(currentDomain);
}
}).catch((e) => {
console.log("Current domain does not host a valid instance: ", e);
});
}, []);
function tryInstance() {
let domain = instanceFieldRef.current;
Promise.try(() => {
return dispatch(api.instance.fetchWithoutStore(domain)).catch((e) => {
// TODO: clearer error messages for common errors
console.log(e);
throw e;
});
}).then(() => {
dispatch(setInstance(domain));
return dispatch(api.oauth.register()).catch((e) => {
console.log(e);
throw e;
});
}).then(() => {
return dispatch(api.oauth.authorize()); // will send user off-page
}).catch((e) => {
setErrorMsg(
<>
<b>{e.type}</b>
<span>{e.message}</span>
</>
);
});
}
function updateInstanceField(e) {
if (e.key == "Enter") {
tryInstance(instanceField);
} else {
setInstanceField(e.target.value);
instanceFieldRef.current = e.target.value;
}
}
return (
<section className="login">
<h1>OAUTH Login:</h1>
{error}
<form onSubmit={(e) => e.preventDefault()}>
<label htmlFor="instance">Instance: </label>
<input value={instanceField} onChange={updateInstanceField} id="instance"/>
{errorMsg &&
<div className="error">
{errorMsg}
</div>
}
<button onClick={tryInstance}>Authenticate</button>
</form>
</section>
);
};
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