1 files changed, 102 insertions, 0 deletions
diff --git a/web/source/settings-panel/components/login.jsx b/web/source/settings-panel/components/login.jsx
new file mode 100644
index 000000000..c67e99acd
--- /dev/null
+++ b/web/source/settings-panel/components/login.jsx
@@ -0,0 +1,102 @@
+/*
+	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>
+	);
+};
+\ No newline at end of file