feat: Cloud settings sync (#505)

Co-authored-by: Ven <vendicated@riseup.net>

src/utils/cloud.tsx

@@ -0,0 +1,124 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2023 Vendicated and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import * as DataStore from "@api/DataStore";
+import { showNotification } from "@api/Notifications";
+import { Settings } from "@api/settings";
+import { findByProps } from "@webpack";
+import { UserStore } from "@webpack/common";
+
+import Logger from "./Logger";
+import { openModal } from "./modal";
+
+export const cloudLogger = new Logger("Cloud", "#39b7e0");
+export const getCloudUrl = () => new URL(Settings.cloud.url);
+
+export async function getAuthorization() {
+    const secrets = await DataStore.get<Record<string, string>>("Vencord_cloudSecret") ?? {};
+    return secrets[getCloudUrl().origin];
+}
+
+async function setAuthorization(secret: string) {
+    await DataStore.update<Record<string, string>>("Vencord_cloudSecret", secrets => {
+        secrets ??= {};
+        secrets[getCloudUrl().origin] = secret;
+        return secrets;
+    });
+}
+
+export async function deauthorizeCloud() {
+    await DataStore.update<Record<string, string>>("Vencord_cloudSecret", secrets => {
+        secrets ??= {};
+        delete secrets[getCloudUrl().origin];
+        return secrets;
+    });
+}
+
+export async function authorizeCloud() {
+    if (await getAuthorization() !== undefined) {
+        Settings.cloud.authenticated = true;
+        return;
+    }
+
+    try {
+        const oauthConfiguration = await fetch(new URL("/v1/oauth/settings", getCloudUrl()));
+        var { clientId, redirectUri } = await oauthConfiguration.json();
+    } catch {
+        showNotification({
+            title: "Cloud Integration",
+            body: "Setup failed (couldn't retrieve OAuth configuration)."
+        });
+        Settings.cloud.authenticated = false;
+        return;
+    }
+
+    const { OAuth2AuthorizeModal } = findByProps("OAuth2AuthorizeModal");
+
+    openModal((props: any) => <OAuth2AuthorizeModal
+        {...props}
+        scopes={["identify"]}
+        responseType="code"
+        redirectUri={redirectUri}
+        permissions={0n}
+        clientId={clientId}
+        cancelCompletesFlow={false}
+        callback={async (callbackUrl: string) => {
+            if (!callbackUrl) {
+                Settings.cloud.authenticated = false;
+                return;
+            }
+
+            try {
+                const res = await fetch(callbackUrl, {
+                    headers: new Headers({ Accept: "application/json" })
+                });
+                const { secret } = await res.json();
+                if (secret) {
+                    cloudLogger.info("Authorized with secret");
+                    await setAuthorization(secret);
+                    showNotification({
+                        title: "Cloud Integration",
+                        body: "Cloud integrations enabled!"
+                    });
+                    Settings.cloud.authenticated = true;
+                } else {
+                    showNotification({
+                        title: "Cloud Integration",
+                        body: "Setup failed (no secret returned?)."
+                    });
+                    Settings.cloud.authenticated = false;
+                }
+            } catch (e: any) {
+                cloudLogger.error("Failed to authorize", e);
+                showNotification({
+                    title: "Cloud Integration",
+                    body: `Setup failed (${e.toString()}).`
+                });
+                Settings.cloud.authenticated = false;
+            }
+        }
+        }
+    />);
+}
+
+export async function getCloudAuth() {
+    const userId = UserStore.getCurrentUser().id;
+    const secret = await getAuthorization();
+
+    return window.btoa(`${secret}:${userId}`);
+}