stream: stricter isReadableNodeStream

Fixes: #40938
nodejs · Nov 23, 2021 · 5e91917 · 5e91917
1 parent 7ad052d
commit 5e91917
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Showing 3 changed files with 23 additions and 2 deletions.
diff --git a/lib/internal/streams/end-of-stream.js b/lib/internal/streams/end-of-stream.js
@@ -118,7 +118,7 @@ function eos(stream, options, callback) {
       return callback.call(stream, errored);
     }
 
-    if (readable && !readableFinished) {
+    if (readable && !readableFinished && isReadableNodeStream(stream, true)) {
       if (!isReadableFinished(stream, false))
         return callback.call(stream,
                              new ERR_STREAM_PREMATURE_CLOSE());

diff --git a/lib/internal/streams/utils.js b/lib/internal/streams/utils.js
@@ -9,11 +9,16 @@ const {
 const kDestroyed = Symbol('kDestroyed');
 const kIsDisturbed = Symbol('kIsDisturbed');
 
-function isReadableNodeStream(obj) {
+function isReadableNodeStream(obj, strict = false) {
   return !!(
     obj &&
     typeof obj.pipe === 'function' &&
     typeof obj.on === 'function' &&
+    (
+      !strict ||
+      typeof obj.read === 'function' ||
+      (typeof obj.pause === 'function' && typeof obj.resume === 'function')
+    ) &&
     (!obj._writableState || obj._readableState?.readable !== false) && // Duplex
     (!obj._writableState || obj._readableState) // Writable has .pipe.
   );

diff --git a/test/parallel/test-stream-finished.js b/test/parallel/test-stream-finished.js
@@ -643,3 +643,19 @@ testClosed((opts) => new Writable({ write() {}, ...opts }));
   const s = new Stream();
   finished(s, common.mustNotCall());
 }
+
+{
+  const server = http.createServer(common.mustCall(function (req, res) {
+    fs.createReadStream(__filename).pipe(res)
+    finished(res, common.mustCall(function (err) {
+      if (err) {
+        throw err
+      }
+    }))
+  })).listen(0, function () {
+    http.request({ method: 'GET', port: this.address().port }, common.mustCall(function (res) {
+      res.resume()
+      server.close()
+    })).end()
+  })
+}