fix: ParseXFile uploads file with content-type application/octet-stream if not explicitly set (#1048)

Author: Copilot

packages/dart/CHANGELOG.md

@@ -1,3 +1,9 @@
+## [8.0.2](https://github.com/parse-community/Parse-SDK-Flutter/compare/dart-8.0.1...dart-8.0.2) (2025-11-28)
+
+### Bug Fixes
+
+* `ParseXFile` uploads file with content-type `application/octet-stream` if not explicitly set ([#1048](https://github.com/parse-community/Parse-SDK-Flutter/pull/1048))
+
 ## [8.0.1](https://github.com/parse-community/Parse-SDK-Flutter/compare/dart-8.0.0...dart-8.0.1) (2025-11-22)
 
 ### Bug Fixes

packages/dart/example/main.dart

@@ -2,12 +2,15 @@ import 'package:parse_server_sdk/parse_server_sdk.dart';
 
 Future<void> main() async {
   // Parse initialize
-  await Parse().initialize("keyApplicationId", "keyParseServerUrl",
-      clientKey: "keyParseClientKey",
-      debug: true,
-      liveQueryUrl: "keyLiveQueryUrl",
-      autoSendSessionId: true,
-      coreStore: CoreStoreMemoryImp());
+  await Parse().initialize(
+    "keyApplicationId",
+    "keyParseServerUrl",
+    clientKey: "keyParseClientKey",
+    debug: true,
+    liveQueryUrl: "keyLiveQueryUrl",
+    autoSendSessionId: true,
+    coreStore: CoreStoreMemoryImp(),
+  );
 
   // Set a ParseObject and save it
   var dietPlan = ParseObject('DietPlan')

packages/dart/lib/parse_server_sdk.dart

@@ -165,22 +165,27 @@ class Parse {
 
   bool hasParseBeenInitialized() => _hasBeenInitialized;
 
-  Future<ParseResponse> healthCheck(
-      {bool? debug, ParseClient? client, bool? sendSessionIdByDefault}) async {
+  Future<ParseResponse> healthCheck({
+    bool? debug,
+    ParseClient? client,
+    bool? sendSessionIdByDefault,
+  }) async {
     final bool debugLocal = isDebugEnabled(objectLevelDebug: debug);
 
     final ParseClient clientLocal = client ??
         ParseCoreData().clientCreator(
-            sendSessionId:
-                sendSessionIdByDefault ?? ParseCoreData().autoSendSessionId,
-            securityContext: ParseCoreData().securityContext);
+          sendSessionId:
+              sendSessionIdByDefault ?? ParseCoreData().autoSendSessionId,
+          securityContext: ParseCoreData().securityContext,
+        );
 
     const String className = 'parseBase';
     const ParseApiRQ type = ParseApiRQ.healthCheck;
 
     try {
-      final ParseNetworkResponse response = await clientLocal
-          .get('${ParseCoreData().serverUrl}$keyEndPointHealth');
+      final ParseNetworkResponse response = await clientLocal.get(
+        '${ParseCoreData().serverUrl}$keyEndPointHealth',
+      );
       return handleResponse<Parse>(null, response, type, debugLocal, className);
     } on Exception catch (e) {
       return handleException(e, type, debugLocal, className);

packages/dart/lib/src/data/parse_core_data.dart

@@ -67,8 +67,9 @@ class ParseCoreData {
     _instance.clientCreator = clientCreator ??
         (({required bool sendSessionId, SecurityContext? securityContext}) =>
             ParseHTTPClient(
-                sendSessionId: sendSessionId,
-                securityContext: securityContext));
+              sendSessionId: sendSessionId,
+              securityContext: securityContext,
+            ));
   }
 
   String applicationId;
@@ -93,7 +94,9 @@ class ParseCoreData {
   late ParseClientCreator clientCreator;
 
   void registerSubClass(
-      String className, ParseObjectConstructor objectConstructor) {
+    String className,
+    ParseObjectConstructor objectConstructor,
+  ) {
     _subClassHandler.registerSubClass(className, objectConstructor);
   }
 
@@ -110,10 +113,21 @@ class ParseCoreData {
   }
 
   ParseUser createParseUser(
-      String? username, String? password, String? emailAddress,
-      {String? sessionToken, bool? debug, ParseClient? client}) {
-    return _subClassHandler.createParseUser(username, password, emailAddress,
-        sessionToken: sessionToken, debug: debug, client: client);
+    String? username,
+    String? password,
+    String? emailAddress, {
+    String? sessionToken,
+    bool? debug,
+    ParseClient? client,
+  }) {
+    return _subClassHandler.createParseUser(
+      username,
+      password,
+      emailAddress,
+      sessionToken: sessionToken,
+      debug: debug,
+      client: client,
+    );
   }
 
   ParseFileBase createFile({String? url, String? name}) =>

packages/dart/lib/src/data/parse_subclass_handler.dart

@@ -2,16 +2,22 @@ part of '../../parse_server_sdk.dart';
 
 typedef ParseObjectConstructor = ParseObject Function();
 typedef ParseUserConstructor = ParseUser Function(
-    String? username, String? password, String? emailAddress,
-    {String? sessionToken, bool? debug, ParseClient? client});
+  String? username,
+  String? password,
+  String? emailAddress, {
+  String? sessionToken,
+  bool? debug,
+  ParseClient? client,
+});
 typedef ParseFileConstructor = ParseFileBase Function(
     {String? name, String? url});
 
 class ParseSubClassHandler {
-  ParseSubClassHandler(
-      {Map<String, ParseObjectConstructor>? registeredSubClassMap,
-      ParseUserConstructor? parseUserConstructor,
-      ParseFileConstructor? parseFileConstructor}) {
+  ParseSubClassHandler({
+    Map<String, ParseObjectConstructor>? registeredSubClassMap,
+    ParseUserConstructor? parseUserConstructor,
+    ParseFileConstructor? parseFileConstructor,
+  }) {
     _subClassMap = registeredSubClassMap ?? <String, ParseObjectConstructor>{};
     _parseUserConstructor = parseUserConstructor;
     if (parseFileConstructor != null) {
@@ -23,8 +29,10 @@ class ParseSubClassHandler {
   ParseUserConstructor? _parseUserConstructor;
   ParseFileConstructor _parseFileConstructor = defaultParseFileConstructor;
 
-  static ParseFileBase defaultParseFileConstructor(
-      {String? name, String? url}) {
+  static ParseFileBase defaultParseFileConstructor({
+    String? name,
+    String? url,
+  }) {
     if (parseIsWeb) {
       return ParseWebFile(null, name: name!, url: url);
     } else {
@@ -33,7 +41,9 @@ class ParseSubClassHandler {
   }
 
   void registerSubClass(
-      String className, ParseObjectConstructor objectConstructor) {
+    String className,
+    ParseObjectConstructor objectConstructor,
+  ) {
     if (className != keyClassUser &&
         className != keyClassInstallation &&
         className != keyClassSession &&
@@ -61,13 +71,30 @@ class ParseSubClassHandler {
   }
 
   ParseUser createParseUser(
-      String? username, String? password, String? emailAddress,
-      {String? sessionToken, bool? debug, ParseClient? client}) {
+    String? username,
+    String? password,
+    String? emailAddress, {
+    String? sessionToken,
+    bool? debug,
+    ParseClient? client,
+  }) {
     return _parseUserConstructor != null
-        ? _parseUserConstructor!(username, password, emailAddress,
-            sessionToken: sessionToken, debug: debug, client: client)
-        : ParseUser(username, password, emailAddress,
-            sessionToken: sessionToken, debug: debug, client: client);
+        ? _parseUserConstructor!(
+            username,
+            password,
+            emailAddress,
+            sessionToken: sessionToken,
+            debug: debug,
+            client: client,
+          )
+        : ParseUser(
+            username,
+            password,
+            emailAddress,
+            sessionToken: sessionToken,
+            debug: debug,
+            client: client,
+          );
   }
 
   ParseFileBase createFile({String? name, String? url}) =>

packages/dart/lib/src/enums/parse_enum_api_rq.dart

@@ -33,5 +33,5 @@ enum ParseApiRQ {
   getConfigs,
   addConfig,
   liveQuery,
-  batch
+  batch,
 }

packages/dart/lib/src/network/parse_client.dart

@@ -1,7 +1,9 @@
 part of '../../parse_server_sdk.dart';
 
-typedef ParseClientCreator = ParseClient Function(
-    {required bool sendSessionId, SecurityContext? securityContext});
+typedef ParseClientCreator = ParseClient Function({
+  required bool sendSessionId,
+  SecurityContext? securityContext,
+});
 
 abstract class ParseClient {
   Future<ParseNetworkResponse> get(
@@ -81,10 +83,7 @@ abstract class ParseClient {
 typedef ProgressCallback = void Function(int count, int total);
 
 class ParseNetworkResponse {
-  ParseNetworkResponse({
-    required this.data,
-    this.statusCode = -1,
-  });
+  ParseNetworkResponse({required this.data, this.statusCode = -1});
 
   final String data;
   final int statusCode;

packages/dart/lib/src/network/parse_connectivity.dart

@@ -9,7 +9,7 @@ enum ParseConnectivityResult {
   mobile,
 
   /// None: Device not connected to any network
-  none
+  none,
 }
 
 abstract class ParseConnectivityProvider {

packages/dart/lib/src/network/parse_dio_client.dart

@@ -53,7 +53,9 @@ class ParseDioClient extends ParseClient {
         cancelToken: cancelToken,
         onReceiveProgress: onReceiveProgress,
         options: _Options(
-            headers: options?.headers, responseType: dio.ResponseType.bytes),
+          headers: options?.headers,
+          responseType: dio.ResponseType.bytes,
+        ),
       );
       return ParseNetworkByteResponse(
         bytes: dioResponse.data,
@@ -67,14 +69,18 @@ class ParseDioClient extends ParseClient {
         );
       } else {
         return _getOtherCaseErrorForParseNetworkResponse(
-            error.error.toString());
+          error.error.toString(),
+        );
       }
     }
   }
 
   @override
-  Future<ParseNetworkResponse> put(String path,
-      {String? data, ParseNetworkOptions? options}) async {
+  Future<ParseNetworkResponse> put(
+    String path, {
+    String? data,
+    ParseNetworkOptions? options,
+  }) async {
     try {
       final dio.Response<String> dioResponse = await _client.put<String>(
         path,
@@ -95,8 +101,11 @@ class ParseDioClient extends ParseClient {
   }
 
   @override
-  Future<ParseNetworkResponse> post(String path,
-      {String? data, ParseNetworkOptions? options}) async {
+  Future<ParseNetworkResponse> post(
+    String path, {
+    String? data,
+    ParseNetworkOptions? options,
+  }) async {
     try {
       final dio.Response<String> dioResponse = await _client.post<String>(
         path,
@@ -117,11 +126,13 @@ class ParseDioClient extends ParseClient {
   }
 
   @override
-  Future<ParseNetworkResponse> postBytes(String path,
-      {Stream<List<int>>? data,
-      ParseNetworkOptions? options,
-      ProgressCallback? onSendProgress,
-      dynamic cancelToken}) async {
+  Future<ParseNetworkResponse> postBytes(
+    String path, {
+    Stream<List<int>>? data,
+    ParseNetworkOptions? options,
+    ProgressCallback? onSendProgress,
+    dynamic cancelToken,
+  }) async {
     try {
       final dio.Response<String> dioResponse = await _client.post<String>(
         path,
@@ -143,20 +154,24 @@ class ParseDioClient extends ParseClient {
         );
       } else {
         return _getOtherCaseErrorForParseNetworkResponse(
-            error.error.toString());
+          error.error.toString(),
+        );
       }
     }
   }
 
   _getOtherCaseErrorForParseNetworkResponse(String error) {
     return ParseNetworkResponse(
-        data: "{\"code\":${ParseError.otherCause},\"error\":\"$error\"}",
-        statusCode: ParseError.otherCause);
+      data: "{\"code\":${ParseError.otherCause},\"error\":\"$error\"}",
+      statusCode: ParseError.otherCause,
+    );
   }
 
   @override
-  Future<ParseNetworkResponse> delete(String path,
-      {ParseNetworkOptions? options}) async {
+  Future<ParseNetworkResponse> delete(
+    String path, {
+    ParseNetworkOptions? options,
+  }) async {
     try {
       final dio.Response<String> dioResponse = await _client.delete<String>(
         path,
@@ -224,7 +239,8 @@ class _ParseDioClient with dio.DioMixin implements dio.Dio {
     /// If developer wants to add custom headers, extend this class and add headers needed.
     if (additionalHeaders != null && additionalHeaders!.isNotEmpty) {
       additionalHeaders!.forEach(
-          (String key, String value) => options!.headers![key] = value);
+        (String key, String value) => options!.headers![key] = value,
+      );
     }
 
     if (parseCoreData.debug) {
@@ -273,11 +289,8 @@ class _ParseDioClient with dio.DioMixin implements dio.Dio {
 }
 
 class _Options extends dio.Options {
-  _Options({
-    super.headers,
-    super.responseType,
-    String? contentType,
-  }) : super(
+  _Options({super.headers, super.responseType, String? contentType})
+      : super(
           contentType: contentType ??
               (headers ?? <String, dynamic>{})[dio.Headers.contentTypeHeader],
         );