UEA-Prodem

node_modules/hono/dist/middleware/body-limit/index.js

@@ -0,0 +1,53 @@
+// src/middleware/body-limit/index.ts
+import { HTTPException } from "../../http-exception.js";
+var ERROR_MESSAGE = "Payload Too Large";
+var bodyLimit = (options) => {
+  const onError = options.onError || (() => {
+    const res = new Response(ERROR_MESSAGE, {
+      status: 413
+    });
+    throw new HTTPException(413, { res });
+  });
+  const maxSize = options.maxSize;
+  return async function bodyLimit2(c, next) {
+    if (!c.req.raw.body) {
+      return next();
+    }
+    const hasTransferEncoding = c.req.raw.headers.has("transfer-encoding");
+    const hasContentLength = c.req.raw.headers.has("content-length");
+    if (hasContentLength && !hasTransferEncoding) {
+      const contentLength = parseInt(c.req.raw.headers.get("content-length") || "0", 10);
+      return contentLength > maxSize ? onError(c) : next();
+    }
+    let size = 0;
+    const chunks = [];
+    const rawReader = c.req.raw.body.getReader();
+    for (; ; ) {
+      const { done, value } = await rawReader.read();
+      if (done) {
+        break;
+      }
+      size += value.length;
+      if (size > maxSize) {
+        return onError(c);
+      }
+      chunks.push(value);
+    }
+    const requestInit = {
+      body: new ReadableStream({
+        start(controller) {
+          for (const chunk of chunks) {
+            controller.enqueue(chunk);
+          }
+          controller.close();
+        }
+      }),
+      duplex: "half"
+    };
+    c.req.raw = new Request(c.req.raw, requestInit);
+    return next();
+  };
+};
+export {
+  bodyLimit
+};