Add full OpenID connect provider support

utils/config.ts

@@ -32,6 +32,17 @@ export interface ConfigType {
 		enabled: boolean;
 	};
 
+	oidc: {
+		providers: {
+			name: string;
+			id: string;
+			url: string;
+			client_id: string;
+			client_secret: string;
+			icon: string;
+		}[];
+	};
+
 	http: {
 		base_url: string;
 		bind: string;
@@ -189,6 +200,9 @@ export const configDefaults: ConfigType = {
 		api_key: "",
 		enabled: false,
 	},
+	oidc: {
+		providers: [],
+	},
 	instance: {
 		banner: "",
 		description: "",

utils/constants.ts

@@ -0,0 +1,6 @@
+import { getConfig } from "@config";
+
+const config = getConfig();
+
+export const oauthRedirectUri = (issuer: string) =>
+	`${config.http.base_url}/oauth/callback/${issuer}`;

utils/oauth.ts

@@ -59,3 +59,5 @@ export const checkIfOauthIsValid = (
 
 	return false;
 };
+
+export const oauthCodeVerifiers: Record<string, string> = {};

utils/temp.ts

@@ -0,0 +1,20 @@
+import { join } from "path";
+import { exists, mkdir, writeFile, readFile } from "fs/promises";
+
+export const writeToTempDirectory = async (filename: string, data: string) => {
+	const tempDir = join(process.cwd(), "temp");
+	if (!(await exists(tempDir))) await mkdir(tempDir);
+
+	const tempFile = join(tempDir, filename);
+	await writeFile(tempFile, data);
+
+	return tempFile;
+};
+
+export const readFromTempDirectory = async (filename: string) => {
+	const tempDir = join(process.cwd(), "temp");
+	if (!(await exists(tempDir))) await mkdir(tempDir);
+
+	const tempFile = join(tempDir, filename);
+	return readFile(tempFile, "utf-8");
+};