From d5847e2d2b68a1eb41d43be170cd4ddff9003cff Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Mon, 17 Mar 2025 15:06:17 +0100
Subject: [feature] Application creation + management via API + settings panel
 (#3906)

* [feature] Application creation + management via API + settings panel

* fix docs links

* add errnorows test

* use known application as shorter

* add comment about side effects
---
 .../settings/views/user/applications/callback.tsx  | 121 +++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 web/source/settings/views/user/applications/callback.tsx

(limited to 'web/source/settings/views/user/applications/callback.tsx')

diff --git a/web/source/settings/views/user/applications/callback.tsx b/web/source/settings/views/user/applications/callback.tsx
new file mode 100644
index 000000000..f1634cc6f
--- /dev/null
+++ b/web/source/settings/views/user/applications/callback.tsx
@@ -0,0 +1,121 @@
+/*
+	GoToSocial
+	Copyright (C) GoToSocial Authors admin@gotosocial.org
+	SPDX-License-Identifier: AGPL-3.0-or-later
+
+	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/>.
+*/
+
+import React from "react";
+import { useSearch } from "wouter";
+import { Error as ErrorCmp } from "../../../components/error";
+import { useGetAccessTokenForAppMutation, useGetAppQuery } from "../../../lib/query/user/applications";
+import { useCallbackURL } from "./common";
+import useFormSubmit from "../../../lib/form/submit";
+import { useValue } from "../../../lib/form";
+import MutationButton from "../../../components/form/mutation-button";
+import FormWithData from "../../../lib/form/form-with-data";
+import { App } from "../../../lib/types/application";
+import { OAuthAccessToken } from "../../../lib/types/oauth";
+
+export function AppTokenCallback({}) {		
+	// Read the callback authorization
+	// information from the search params. 
+	const search = useSearch();
+	const urlQueryParams = new URLSearchParams(search);
+	const code = urlQueryParams.get("code");
+	const appId = urlQueryParams.get("state");
+	const error = urlQueryParams.get("error");
+	const errorDescription = urlQueryParams.get("error_description");
+
+	if (error) {
+		let errString = error;
+		if (errorDescription) {
+			errString += ": " + errorDescription;
+		}
+		if (error === "invalid_scope") {
+			errString += ". You probably requested a token (sub-)scope that wasn't contained in the scopes of your application.";
+		}
+		const err = Error(errString);
+		return <ErrorCmp error={err} />;
+	}
+
+	if (!code || !appId) {
+		const err = Error("code or app id not defined");
+		return <ErrorCmp error={err} />;
+	}
+
+	return(
+		<>
+			<FormWithData
+				dataQuery={useGetAppQuery}
+				queryArg={appId}
+				DataForm={AccessForAppForm}
+				{...{ code: code }}
+			/>
+		</>
+	);
+}
+
+
+function AccessForAppForm({ data: app, code }: { data: App, code: string }) {
+	const redirectURI = useCallbackURL();
+	
+	// Prepare to call /oauth/token to
+	// exchange code for access token.
+	const form = {
+		client_id: useValue("client_id", app.client_id),
+		client_secret: useValue("client_secret", app.client_secret),
+		redirect_uri: useValue("redirect_uri", redirectURI),
+		code: useValue("code", code),
+		grant_type: useValue("grant_type", "authorization_code"),
+		
+	};
+	const [ submit, result ] = useFormSubmit(form, useGetAccessTokenForAppMutation());
+
+	return (
+		<form
+			className="access-token-receive-form"	
+			onSubmit={submit}
+		>
+			<div className="form-section-docs">
+				<h2>Receive Access Token</h2>
+				<p>
+					To receive your user-level access token for application<b>{app.name}</b>, click on the button below.
+					<br/>Your access token will be shown once and only once.
+					<br/><strong>Your access token provides access to your account; store it as carefully as you would store a password!</strong>
+				</p>
+				<a
+					href="https://docs.gotosocial.org/en/latest/api/authentication/#verifying"
+					target="_blank"
+					className="docslink"
+					rel="noreferrer"
+				>
+					Learn more about how to use your access token (opens in a new tab)
+				</a>
+			</div>
+			
+			{ result.data
+				? <div className="access-token-frame">{(result.data as OAuthAccessToken).access_token}</div>
+				: <div className="access-token-frame closed"><i className="fa fa-eye-slash" aria-hidden={true}></i></div>
+			}
+			
+			<MutationButton
+				label="I understand, show me the token!"
+				result={result}
+				disabled={result.data || result.isError}
+			/>
+		</form>
+	);
+}
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