test permissions

Author: kt3k

ext/node/polyfills/internal_binding/cares_wrap.ts

@@ -78,14 +78,20 @@ export function getaddrinfo(
   // REF: https://nodejs.org/api/dns.html#dns_supported_getaddrinfo_flags
 
   (async () => {
+    let error = 0;
     try {
       addresses.push(...await op_getaddrinfo(hostname, req.port || undefined));
-    } catch {
-      // pass
+      if (addresses.length === 0) {
+        error = codeMap.get("EAI_NODATA")!;
+      }
+    } catch (e) {
+      if (e instanceof Deno.errors.NotCapable) {
+        error = codeMap.get("EPERM")!;
+      } else {
+        error = codeMap.get("EAI_NODATA")!;
+      }
     }
 
-    const error = addresses.length ? 0 : codeMap.get("EAI_NODATA")!;
-
     // TODO(cmorten): needs work
     // REF: https://github.com/nodejs/node/blob/master/src/cares_wrap.cc#L1444
     if (!verbatim) {

tests/unit_node/http_test.ts

@@ -15,7 +15,7 @@ import net, { Socket } from "node:net";
 import fs from "node:fs";
 import { text } from "node:stream/consumers";
 
-import { assert, assertEquals, fail } from "@std/assert";
+import { assert, assertEquals, assertStringIncludes, fail } from "@std/assert";
 import { assertSpyCalls, spy } from "@std/testing/mock";
 import { fromFileUrl, relative } from "@std/path";
 import { retry } from "@std/async/retry";
@@ -1916,3 +1916,31 @@ Deno.test("[node/http] supports proxy http request", async () => {
   await promise;
   await server.finished;
 });
+
+Deno.test("[node/http] `request` requires net permission to host and port", {
+  permissions: { net: ["localhost:4545"] },
+}, async () => {
+  const { promise, resolve } = Promise.withResolvers<void>();
+  http.request("http://localhost:4545/echo.ts", async (res) => {
+    assertEquals(res.statusCode, 200);
+    assertStringIncludes(await text(res), "function echo(");
+    resolve();
+  }).end();
+  await promise;
+});
+
+Deno.test(
+  "[node/http] `request` errors with EPERM error when permission is not granted",
+  { permissions: { net: ["localhost:4321"] } }, // wrong permission
+  async () => {
+    const { promise, resolve } = Promise.withResolvers<void>();
+    http.request("http://localhost:4545/echo.ts", async (res) => {})
+      .on("error", (e) => {
+        assertEquals(e.message, "getaddrinfo EPERM localhost");
+        // deno-lint-ignore no-explicit-any
+        assertEquals((e as any).code, "EPERM");
+        resolve();
+      }).end();
+    await promise;
+  },
+);