Generate array buffer for binary (#4075)

apps/admin-ui/src/clients/keys/ExportSamlKeyDialog.tsx

@@ -1,5 +1,5 @@
 import { useTranslation } from "react-i18next";
-import { FormProvider, useForm } from "react-hook-form";
+import { FormProvider, useForm } from "react-hook-form-v7";
 import { Button, Modal, Form } from "@patternfly/react-core";
 import { saveAs } from "file-saver";
 

libs/keycloak-admin-client/src/resources/agent.ts

@@ -226,10 +226,6 @@ export class Agent {
 
     url.search = stringifyQueryParams(searchParams);
 
-    if (!requestHeaders.has("content-type")) {
-      requestHeaders.set("content-type", "application/x-www-form-urlencoded");
-    }
-
     try {
       const res = await fetchWithError(url, {
         ...requestOptions,
@@ -263,6 +259,16 @@ export class Agent {
         return { [field]: resourceId };
       }
 
+      if (
+        Object.entries(headers || []).find(
+          ([key, value]) =>
+            key.toLowerCase() === "accept" &&
+            value === "application/octet-stream"
+        )
+      ) {
+        return res.arrayBuffer();
+      }
+
       return parseResponse(res);
     } catch (err) {
       if (

libs/keycloak-admin-client/src/resources/clients.ts

@@ -956,21 +956,27 @@ export class Clients extends Resource<{ realm?: string }> {
   public downloadKey = this.makeUpdateRequest<
     { id: string; attr: string },
     KeyStoreConfig,
-    string
+    ArrayBuffer
   >({
     method: "POST",
     path: "/{id}/certificates/{attr}/download",
     urlParamKeys: ["id", "attr"],
+    headers: {
+      accept: "application/octet-stream",
+    },
   });
 
   public generateAndDownloadKey = this.makeUpdateRequest<
     { id: string; attr: string },
     KeyStoreConfig,
-    string
+    ArrayBuffer
   >({
     method: "POST",
     path: "/{id}/certificates/{attr}/generate-and-download",
     urlParamKeys: ["id", "attr"],
+    headers: {
+      accept: "application/octet-stream",
+    },
   });
 
   public uploadKey = this.makeUpdateRequest<{ id: string; attr: string }, any>({