added support for pin code auth

server/routers/resource/authWithPincode.ts

@@ -0,0 +1,154 @@
+import { verify } from "@node-rs/argon2";
+import { generateSessionToken } from "@server/auth";
+import db from "@server/db";
+import { resourcePincode, resources } from "@server/db/schema";
+import HttpCode from "@server/types/HttpCode";
+import response from "@server/utils/response";
+import { eq } from "drizzle-orm";
+import { NextFunction, Request, Response } from "express";
+import createHttpError from "http-errors";
+import { z } from "zod";
+import { fromError } from "zod-validation-error";
+import {
+    createResourceSession,
+    serializeResourceSessionCookie,
+} from "@server/auth/resource";
+import logger from "@server/logger";
+
+export const authWithPincodeBodySchema = z.object({
+    pincode: z.string(),
+    email: z.string().email().optional(),
+    code: z.string().optional(),
+});
+
+export const authWithPincodeParamsSchema = z.object({
+    resourceId: z.string().transform(Number).pipe(z.number().int().positive()),
+});
+
+export type AuthWithPincodeResponse = {
+    codeRequested?: boolean;
+};
+
+export async function authWithPincode(
+    req: Request,
+    res: Response,
+    next: NextFunction,
+): Promise<any> {
+    const parsedBody = authWithPincodeBodySchema.safeParse(req.body);
+
+    if (!parsedBody.success) {
+        return next(
+            createHttpError(
+                HttpCode.BAD_REQUEST,
+                fromError(parsedBody.error).toString(),
+            ),
+        );
+    }
+
+    const parsedParams = authWithPincodeParamsSchema.safeParse(req.params);
+
+    if (!parsedParams.success) {
+        return next(
+            createHttpError(
+                HttpCode.BAD_REQUEST,
+                fromError(parsedParams.error).toString(),
+            ),
+        );
+    }
+
+    const { resourceId } = parsedParams.data;
+    const { email, pincode, code } = parsedBody.data;
+
+    try {
+        const [result] = await db
+            .select()
+            .from(resources)
+            .leftJoin(
+                resourcePincode,
+                eq(resourcePincode.resourceId, resources.resourceId),
+            )
+            .where(eq(resources.resourceId, resourceId))
+            .limit(1);
+
+        const resource = result?.resources;
+        const definedPincode = result?.resourcePincode;
+
+        if (!resource) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    "Resource does not exist",
+                ),
+            );
+        }
+
+        if (!definedPincode) {
+            return next(
+                createHttpError(
+                    HttpCode.UNAUTHORIZED,
+                    createHttpError(
+                        HttpCode.BAD_REQUEST,
+                        "Resource has no pincode protection",
+                    ),
+                ),
+            );
+        }
+
+        const validPincode = await verify(definedPincode.pincodeHash, pincode, {
+            memoryCost: 19456,
+            timeCost: 2,
+            outputLen: 32,
+            parallelism: 1,
+        });
+        if (!validPincode) {
+            return next(
+                createHttpError(HttpCode.UNAUTHORIZED, "Incorrect PIN code"),
+            );
+        }
+
+        if (resource.twoFactorEnabled) {
+            if (!code) {
+                return response<AuthWithPincodeResponse>(res, {
+                    data: { codeRequested: true },
+                    success: true,
+                    error: false,
+                    message: "Two-factor authentication required",
+                    status: HttpCode.ACCEPTED,
+                });
+            }
+
+            // TODO: Implement email OTP for resource 2fa
+        }
+
+        const token = generateSessionToken();
+        await createResourceSession({
+            resourceId,
+            token,
+            pincodeId: definedPincode.pincodeId,
+        });
+        const secureCookie = resource.ssl;
+        const cookie = serializeResourceSessionCookie(
+            token,
+            resource.fullDomain,
+            secureCookie,
+        );
+        res.appendHeader("Set-Cookie", cookie);
+
+        logger.debug(cookie); // remove after testing
+
+        return response<null>(res, {
+            data: null,
+            success: true,
+            error: false,
+            message: "Authenticated with resource successfully",
+            status: HttpCode.OK,
+        });
+    } catch (e) {
+        return next(
+            createHttpError(
+                HttpCode.INTERNAL_SERVER_ERROR,
+                "Failed to authenticate with resource",
+            ),
+        );
+    }
+}