fix: validate route ID parameters, return 400 for invalid IDs

Adds parseId helper in src/server/lib/params.ts and applies it across
all route files so non-positive-integer IDs return 400 instead of
silently passing NaN to services.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-04-03 15:34:06 +02:00
parent 3016eb1a1a
commit ecff58500e
6 changed files with 56 additions and 22 deletions

View File

@@ -3,6 +3,7 @@ import { join } from "node:path";
import { zValidator } from "@hono/zod-validator";
import { Hono } from "hono";
import { createItemSchema, updateItemSchema } from "../../shared/schemas.ts";
import { parseId } from "../lib/params.ts";
import {
createItem,
deleteItem,
@@ -23,7 +24,8 @@ app.get("/", (c) => {
app.get("/:id", (c) => {
const db = c.get("db");
const id = Number(c.req.param("id"));
const id = parseId(c.req.param("id"));
if (!id) return c.json({ error: "Invalid item ID" }, 400);
const item = getItemById(db, id);
if (!item) return c.json({ error: "Item not found" }, 404);
return c.json(item);
@@ -41,7 +43,8 @@ app.put(
zValidator("json", updateItemSchema.omit({ id: true })),
(c) => {
const db = c.get("db");
const id = Number(c.req.param("id"));
const id = parseId(c.req.param("id"));
if (!id) return c.json({ error: "Invalid item ID" }, 400);
const data = c.req.valid("json");
const item = updateItem(db, id, data);
if (!item) return c.json({ error: "Item not found" }, 404);
@@ -51,7 +54,8 @@ app.put(
app.delete("/:id", async (c) => {
const db = c.get("db");
const id = Number(c.req.param("id"));
const id = parseId(c.req.param("id"));
if (!id) return c.json({ error: "Invalid item ID" }, 400);
const deleted = deleteItem(db, id);
if (!deleted) return c.json({ error: "Item not found" }, 404);