FOUR-32224: Prevent Web Entry temporary file download errors

src/components/renderer/file-download.vue

@@ -121,6 +121,9 @@ export default {
     this.setFilesInfo();
   },
   methods: {
+    isWebEntryTemporaryFileId(fileId) {
+      return typeof fileId === "string" && fileId.startsWith("webentry_");
+    },
     downloadFile(file) {
       if (this.collection) {
         this.downloadCollectionFile(file);
@@ -209,6 +212,12 @@ export default {
       const fileId = this.value
         ? this.value
         : _.get(this.requestData, this.fileDataName, null);
+
+      if (this.isWebEntryTemporaryFileId(fileId)) {
+        this.filesInfo = [];
+        return;
+      }
+
       let { endpoint } = this;
 
       if (this.requestFiles) {

tests/unit/FileDownloadUtils.spec.js

@@ -0,0 +1,49 @@
+const fs = require("fs");
+const path = require("path");
+const vm = require("vm");
+
+const componentPath = path.join(
+  process.cwd(),
+  "src/components/renderer/file-download.vue"
+);
+
+const source = fs.readFileSync(componentPath, "utf8");
+
+function getComponentOptions() {
+  const scriptMatch = source.match(/<script>([\s\S]*?)<\/script>/);
+
+  if (!scriptMatch) {
+    throw new Error("Unable to find file-download.vue script block");
+  }
+
+  const executableScript = scriptMatch[1]
+    .replace(/^import .*$/gm, "")
+    .replace("export default", "module.exports =");
+
+  const sandbox = {
+    module: { exports: {} },
+    exports: {}
+  };
+
+  vm.runInNewContext(executableScript, sandbox, { filename: componentPath });
+
+  return sandbox.module.exports;
+}
+
+describe("File Download Web Entry temporary files", () => {
+  const FileDownload = getComponentOptions();
+  const { isWebEntryTemporaryFileId } = FileDownload.methods;
+
+  test("recognizes a Web Entry temporary file ID", () => {
+    expect(isWebEntryTemporaryFileId("webentry_upload_123_document.pdf")).toBe(
+      true
+    );
+  });
+
+  test.each([123, "123", "request_file_123", null, undefined, {}, []])(
+    "does not classify %p as a temporary file ID",
+    (fileId) => {
+      expect(isWebEntryTemporaryFileId(fileId)).toBe(false);
+    }
+  );
+});