create invite and accept invite endpoints

server/routers/user/acceptInvite.ts

@@ -0,0 +1,124 @@
+import { verify } from "@node-rs/argon2";
+import { Request, Response, NextFunction } from "express";
+import { z } from "zod";
+import { db } from "@server/db";
+import { roles, userInvites, userOrgs, users } from "@server/db/schema";
+import { eq } from "drizzle-orm";
+import response from "@server/utils/response";
+import HttpCode from "@server/types/HttpCode";
+import createHttpError from "http-errors";
+import logger from "@server/logger";
+import { fromError } from "zod-validation-error";
+
+const acceptInviteBodySchema = z.object({
+    token: z.string(),
+    inviteId: z.string(),
+});
+
+export type AcceptInviteResponse = {};
+
+export async function acceptInvite(
+    req: Request,
+    res: Response,
+    next: NextFunction
+): Promise<any> {
+    try {
+        const parsedBody = acceptInviteBodySchema.safeParse(req.body);
+        if (!parsedBody.success) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    fromError(parsedBody.error).toString()
+                )
+            );
+        }
+
+        const { token, inviteId } = parsedBody.data;
+
+        const existingInvite = await db
+            .select()
+            .from(userInvites)
+            .where(eq(userInvites.inviteId, inviteId))
+            .limit(1);
+
+        if (!existingInvite.length) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    "Invite ID or token is invalid"
+                )
+            );
+        }
+
+        const validToken = await verify(existingInvite[0].tokenHash, token, {
+            memoryCost: 19456,
+            timeCost: 2,
+            outputLen: 32,
+            parallelism: 1,
+        });
+        if (!validToken) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    "Invite ID or token is invalid"
+                )
+            );
+        }
+
+        const existingUser = await db
+            .select()
+            .from(users)
+            .where(eq(users.email, existingInvite[0].email))
+            .limit(1);
+        if (!existingUser.length) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    "User does not exist. Please create an account first."
+                )
+            );
+        }
+
+        let roleId: number;
+        // get the role to make sure it exists
+        const existingRole = await db
+            .select()
+            .from(roles)
+            .where(eq(roles.roleId, existingInvite[0].roleId))
+            .limit(1);
+        if (existingRole.length) {
+            roleId = existingRole[0].roleId;
+        } else {
+            // TODO: use the default role on the org instead of failing
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    "Role does not exist. Please contact an admin."
+                )
+            );
+        }
+
+        // add the user to the org
+        await db.insert(userOrgs).values({
+            userId: existingUser[0].userId,
+            orgId: existingInvite[0].orgId,
+            roleId: existingInvite[0].roleId,
+        });
+
+        // delete the invite
+        await db.delete(userInvites).where(eq(userInvites.inviteId, inviteId));
+
+        return response<AcceptInviteResponse>(res, {
+            data: {},
+            success: true,
+            error: false,
+            message: "Invite accepted",
+            status: HttpCode.OK,
+        });
+    } catch (error) {
+        logger.error(error);
+        return next(
+            createHttpError(HttpCode.INTERNAL_SERVER_ERROR, "An error occurred")
+        );
+    }
+}

server/routers/user/index.ts

@@ -3,3 +3,5 @@ export * from "./removeUserOrg";
 export * from "./addUserOrg";
 export * from "./listUsers";
 export * from "./setUserRole";
+export * from "./inviteUser";
+export * from "./acceptInvite";

server/routers/user/inviteUser.ts

@@ -0,0 +1,133 @@
+import { Request, Response, NextFunction } from "express";
+import { z } from "zod";
+import { db } from "@server/db";
+import { userInvites, userOrgs, users } from "@server/db/schema";
+import { and, eq } from "drizzle-orm";
+import response from "@server/utils/response";
+import HttpCode from "@server/types/HttpCode";
+import createHttpError from "http-errors";
+import { ActionsEnum, checkUserActionPermission } from "@server/auth/actions";
+import logger from "@server/logger";
+import { alphabet, generateRandomString } from "oslo/crypto";
+import { createDate, TimeSpan } from "oslo";
+import config from "@server/config";
+import { hashPassword } from "@server/auth/password";
+import { fromError } from "zod-validation-error";
+
+const inviteUserParamsSchema = z.object({
+    orgId: z.string(),
+});
+
+const inviteUserBodySchema = z.object({
+    email: z.string().email(),
+    roleId: z.number(),
+    validHours: z.number().gt(0).lte(168),
+});
+
+export type InviteUserResponse = {
+    inviteLink: string;
+    expiresAt: number;
+};
+
+export async function inviteUser(
+    req: Request,
+    res: Response,
+    next: NextFunction
+): Promise<any> {
+    try {
+        const parsedParams = inviteUserParamsSchema.safeParse(req.params);
+        if (!parsedParams.success) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    fromError(parsedParams.error).toString()
+                )
+            );
+        }
+
+        const parsedBody = inviteUserBodySchema.safeParse(req.body);
+        if (!parsedBody.success) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    fromError(parsedBody.error).toString()
+                )
+            );
+        }
+
+        const { orgId } = parsedParams.data;
+        const { email, validHours, roleId } = parsedBody.data;
+
+        const hasPermission = await checkUserActionPermission(
+            ActionsEnum.inviteUser,
+            req
+        );
+        if (!hasPermission) {
+            return next(
+                createHttpError(
+                    HttpCode.FORBIDDEN,
+                    "User does not have permission to perform this action"
+                )
+            );
+        }
+
+        const existingUser = await db
+            .select()
+            .from(users)
+            .innerJoin(userOrgs, eq(users.userId, userOrgs.userId))
+            .where(eq(users.email, email))
+            .limit(1);
+        if (existingUser.length && existingUser[0].userOrgs?.orgId === orgId) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    "User is already a member of this organization"
+                )
+            );
+        }
+
+        const inviteId = generateRandomString(
+            10,
+            alphabet("a-z", "A-Z", "0-9")
+        );
+        const token = generateRandomString(32, alphabet("a-z", "A-Z", "0-9"));
+        const expiresAt = createDate(new TimeSpan(validHours, "h")).getTime();
+
+        const tokenHash = await hashPassword(token);
+
+        // delete any existing invites for this email
+        await db
+            .delete(userInvites)
+            .where(
+                and(eq(userInvites.email, email), eq(userInvites.orgId, orgId))
+            )
+            .execute();
+
+        await db.insert(userInvites).values({
+            inviteId,
+            orgId,
+            email,
+            expiresAt,
+            tokenHash,
+            roleId,
+        });
+
+        const inviteLink = `${config.app.base_url}/invite/${inviteId}-${token}`;
+
+        return response<InviteUserResponse>(res, {
+            data: {
+                inviteLink,
+                expiresAt,
+            },
+            success: true,
+            error: false,
+            message: "User invited successfully",
+            status: HttpCode.OK,
+        });
+    } catch (error) {
+        logger.error(error);
+        return next(
+            createHttpError(HttpCode.INTERNAL_SERVER_ERROR, "An error occurred")
+        );
+    }
+}