feat: add admin roles handler factory and Express routes

packages/api/src/admin/index.ts

@@ -1,4 +1,6 @@
 export { createAdminConfigHandlers } from './config';
 export { createAdminGroupsHandlers } from './groups';
+export { createAdminRolesHandlers } from './roles';
 export type { AdminConfigDeps } from './config';
 export type { AdminGroupsDeps } from './groups';
+export type { AdminRolesDeps } from './roles';

packages/api/src/admin/roles.ts

@@ -0,0 +1,246 @@
+import { SystemRoles } from 'librechat-data-provider';
+import { logger } from '@librechat/data-schemas';
+import type { IRole, IUser } from '@librechat/data-schemas';
+import type { FilterQuery } from 'mongoose';
+import type { Response } from 'express';
+import type { ServerRequest } from '~/types/http';
+
+interface RoleNameParams {
+  name: string;
+}
+
+interface RoleMemberParams extends RoleNameParams {
+  userId: string;
+}
+
+interface AdminMember {
+  userId: string;
+  name: string;
+  email: string;
+  avatarUrl?: string;
+  joinedAt: string;
+}
+
+export interface AdminRolesDeps {
+  listRoles: () => Promise<IRole[]>;
+  getRoleByName: (
+    name: string,
+    fields?: string | string[] | null,
+  ) => Promise<IRole | null>;
+  createRole: (roleData: Partial<IRole>) => Promise<IRole>;
+  updateRoleByName: (name: string, updates: Partial<IRole>) => Promise<IRole | null>;
+  updateAccessPermissions: (
+    name: string,
+    perms: Record<string, Record<string, boolean>>,
+    roleData?: IRole,
+  ) => Promise<void>;
+  deleteRole: (name: string) => Promise<IRole | null>;
+  findUser: (
+    criteria: FilterQuery<IUser>,
+    fields?: string | string[] | null,
+  ) => Promise<IUser | null>;
+  updateUser: (userId: string, data: Partial<IUser>) => Promise<IUser | null>;
+  countUsers: (filter?: FilterQuery<IUser>) => Promise<number>;
+  listUsersByRole: (roleName: string) => Promise<AdminMember[]>;
+}
+
+export function createAdminRolesHandlers(deps: AdminRolesDeps) {
+  const {
+    listRoles,
+    getRoleByName,
+    createRole,
+    updateRoleByName,
+    updateAccessPermissions,
+    deleteRole,
+    findUser,
+    updateUser,
+    countUsers,
+  } = deps;
+
+  async function listRolesHandler(_req: ServerRequest, res: Response) {
+    try {
+      const roles = await listRoles();
+      return res.status(200).json({ roles });
+    } catch (error) {
+      logger.error('[adminRoles] listRoles error:', error);
+      return res.status(500).json({ error: 'Failed to list roles' });
+    }
+  }
+
+  async function getRoleHandler(req: ServerRequest, res: Response) {
+    try {
+      const { name } = req.params as RoleNameParams;
+      const role = await getRoleByName(name);
+      if (!role) {
+        return res.status(404).json({ error: 'Role not found' });
+      }
+      return res.status(200).json({ role });
+    } catch (error) {
+      logger.error('[adminRoles] getRole error:', error);
+      return res.status(500).json({ error: 'Failed to get role' });
+    }
+  }
+
+  async function createRoleHandler(req: ServerRequest, res: Response) {
+    try {
+      const { name, permissions } = req.body as { name?: string; permissions?: IRole['permissions'] };
+      if (!name || typeof name !== 'string' || !name.trim()) {
+        return res.status(400).json({ error: 'name is required' });
+      }
+      const role = await createRole({
+        name: name.trim(),
+        permissions: permissions || {},
+      });
+      return res.status(201).json({ role });
+    } catch (error) {
+      const message = error instanceof Error ? error.message : 'Failed to create role';
+      logger.error('[adminRoles] createRole error:', error);
+      const status = message.includes('already exists') || message.includes('reserved') ? 409 : 500;
+      return res.status(status).json({ error: message });
+    }
+  }
+
+  async function updateRoleHandler(req: ServerRequest, res: Response) {
+    try {
+      const { name } = req.params as RoleNameParams;
+      const body = req.body as Partial<IRole>;
+
+      const existing = await getRoleByName(name);
+      if (!existing) {
+        return res.status(404).json({ error: 'Role not found' });
+      }
+
+      const updates: Partial<IRole> = {};
+      if (body.name !== undefined) {
+        updates.name = body.name;
+      }
+
+      const role = await updateRoleByName(name, updates);
+      return res.status(200).json({ role });
+    } catch (error) {
+      logger.error('[adminRoles] updateRole error:', error);
+      return res.status(500).json({ error: 'Failed to update role' });
+    }
+  }
+
+  async function updateRolePermissionsHandler(req: ServerRequest, res: Response) {
+    try {
+      const { name } = req.params as RoleNameParams;
+      const { permissions } = req.body as {
+        permissions: Record<string, Record<string, boolean>>;
+      };
+
+      if (!permissions || typeof permissions !== 'object') {
+        return res.status(400).json({ error: 'permissions object is required' });
+      }
+
+      const existing = await getRoleByName(name);
+      if (!existing) {
+        return res.status(404).json({ error: 'Role not found' });
+      }
+
+      await updateAccessPermissions(name, permissions, existing);
+      const updated = await getRoleByName(name);
+      return res.status(200).json({ role: updated });
+    } catch (error) {
+      logger.error('[adminRoles] updateRolePermissions error:', error);
+      return res.status(500).json({ error: 'Failed to update role permissions' });
+    }
+  }
+
+  async function deleteRoleHandler(req: ServerRequest, res: Response) {
+    try {
+      const { name } = req.params as RoleNameParams;
+      if (SystemRoles[name as keyof typeof SystemRoles]) {
+        return res.status(403).json({ error: 'Cannot delete system role' });
+      }
+
+      const existing = await getRoleByName(name);
+      if (!existing) {
+        return res.status(404).json({ error: 'Role not found' });
+      }
+
+      await deleteRole(name);
+      return res.status(200).json({ success: true });
+    } catch (error) {
+      logger.error('[adminRoles] deleteRole error:', error);
+      return res.status(500).json({ error: 'Failed to delete role' });
+    }
+  }
+
+  async function getRoleMembersHandler(req: ServerRequest, res: Response) {
+    try {
+      const { name } = req.params as RoleNameParams;
+      const existing = await getRoleByName(name);
+      if (!existing) {
+        return res.status(404).json({ error: 'Role not found' });
+      }
+
+      const members = await deps.listUsersByRole(name);
+      return res.status(200).json({ members });
+    } catch (error) {
+      logger.error('[adminRoles] getRoleMembers error:', error);
+      return res.status(500).json({ error: 'Failed to get role members' });
+    }
+  }
+
+  async function addRoleMemberHandler(req: ServerRequest, res: Response) {
+    try {
+      const { name } = req.params as RoleNameParams;
+      const { userId } = req.body as { userId: string };
+
+      if (!userId || typeof userId !== 'string') {
+        return res.status(400).json({ error: 'userId is required' });
+      }
+
+      const existing = await getRoleByName(name);
+      if (!existing) {
+        return res.status(404).json({ error: 'Role not found' });
+      }
+
+      const user = await findUser({ _id: userId });
+      if (!user) {
+        return res.status(404).json({ error: 'User not found' });
+      }
+
+      await updateUser(userId, { role: name });
+      return res.status(200).json({ success: true });
+    } catch (error) {
+      logger.error('[adminRoles] addRoleMember error:', error);
+      return res.status(500).json({ error: 'Failed to add role member' });
+    }
+  }
+
+  async function removeRoleMemberHandler(req: ServerRequest, res: Response) {
+    try {
+      const { name, userId } = req.params as RoleMemberParams;
+
+      const user = await findUser({ _id: userId });
+      if (!user) {
+        return res.status(404).json({ error: 'User not found' });
+      }
+
+      if (user.role !== name) {
+        return res.status(400).json({ error: 'User is not a member of this role' });
+      }
+
+      await updateUser(userId, { role: SystemRoles.USER });
+      return res.status(200).json({ success: true });
+    } catch (error) {
+      logger.error('[adminRoles] removeRoleMember error:', error);
+      return res.status(500).json({ error: 'Failed to remove role member' });
+    }
+  }
+
+  return {
+    listRoles: listRolesHandler,
+    getRole: getRoleHandler,
+    createRole: createRoleHandler,
+    updateRole: updateRoleHandler,
+    updateRolePermissions: updateRolePermissionsHandler,
+    deleteRole: deleteRoleHandler,
+    getRoleMembers: getRoleMembersHandler,
+    addRoleMember: addRoleMemberHandler,
+    removeRoleMember: removeRoleMemberHandler,
+  };
+}