feat: support for binary body (#4466)

Co-authored-by: jamesgeorge007 <25279263+jamesgeorge007@users.noreply.github.com>

packages/hoppscotch-cli/src/interfaces/request.ts

@@ -43,5 +43,5 @@ export interface EffectiveHoppRESTRequest extends HoppRESTRequest {
     active: boolean;
     description: string;
   }[];
-  effectiveFinalBody: FormData | string | null;
+  effectiveFinalBody: FormData | string | File | null;
 }

packages/hoppscotch-cli/src/utils/pre-request.ts

@@ -360,7 +360,7 @@ export async function getEffectiveRESTRequest(
 function getFinalBodyFromRequest(
   request: HoppRESTRequest,
   resolvedVariables: EnvironmentVariable[]
-): E.Either<HoppCLIError, string | null | FormData> {
+): E.Either<HoppCLIError, string | null | FormData | File> {
   if (request.body.contentType === null) {
     return E.right(null);
   }
@@ -437,6 +437,20 @@ function getFinalBodyFromRequest(
     );
   }
 
+  if (request.body.contentType === "application/octet-stream") {
+    const body = request.body.body;
+
+    if (!body) {
+      return E.right(null);
+    }
+
+    if (!(body instanceof File)) {
+      return E.right(null);
+    }
+
+    return E.right(body);
+  }
+
   return pipe(
     parseBodyEnvVariablesE(request.body.body, resolvedVariables),
     E.mapLeft((e) =>