fix: Added CORS settings for Storage.

packages/katana_cli/lib/action/firebase/init.dart

@@ -46,6 +46,7 @@ class FirebaseInitCliAction extends CliCommand with CliActionMixin {
     final flutter = bin.get("flutter", "flutter");
     final npm = bin.get("npm", "npm");
     final firebaseCommand = bin.get("firebase", "firebase");
+    final gsutil = bin.get("gsutil", "gsutil");
     final flutterfireCommand = bin.get("flutterfire", "flutterfire");
     final firebase = context.yaml.getAsMap("firebase");
     final github = context.yaml.getAsMap("github");
@@ -68,6 +69,7 @@ class FirebaseInitCliAction extends CliCommand with CliActionMixin {
     final storage = firebase.getAsMap("storage");
     // final overwriteStorageRule = storage.get("overwrite_rule", false);
     final enabledStorage = storage.get("enable", false);
+    final enabledCors = storage.get("cors", false);
     final enabledHosting = hosting.get("enable", false);
     final enableActions = hosting.get("github_actions", false);
     final enabledLogger = firebase.getAsMap("logger").get("enable", false);
@@ -260,6 +262,21 @@ class FirebaseInitCliAction extends CliCommand with CliActionMixin {
         await storageProcess.exitCode;
         label("Rewriting Rules");
         await const FirebaseStorageRulesCliCode().generateFile("storage.rules");
+        if (enabledCors) {
+          label("Set the cors.json");
+          await const FirebaseStorageCorsCliCode().generateFile("cors.json");
+          await command(
+            "Run cors.json deploy",
+            [
+              gsutil,
+              "cors",
+              "set",
+              "cors.json",
+              "gs://$projectId.appspot.com",
+            ],
+            workingDirectory: "firebase",
+          );
+        }
       }
     }
     if (enabledHosting) {
@@ -706,3 +723,67 @@ service firebase.storage {
 """;
   }
 }
+
+/// Firebase Storage cors.json codebase.
+///
+/// Firebase Storageのcors.jsonのコードベース。
+class FirebaseStorageCorsCliCode extends CliCode {
+  /// Firebase Storage cors.json codebase.
+  ///
+  /// Firebase Storageのcors.jsonのコードベース。
+  const FirebaseStorageCorsCliCode();
+
+  @override
+  String get name => "cors";
+
+  @override
+  String get prefix => "cors";
+
+  @override
+  String get directory => "firebase";
+
+  @override
+  String get description =>
+      "Firebase Storage cors.json codebase. Firebase Storageのcors.jsonのコードベース。";
+
+  /// Checks [fileName] and returns true if the file does not exist.
+  ///
+  /// [fileName]をチェックしファイルが存在しない場合にtrueを返します。
+  Future<bool> check(String fileName) async {
+    if (directory.isNotEmpty) {
+      final dir = Directory(directory);
+      if (!dir.existsSync()) {
+        await dir.create(recursive: true);
+      }
+    }
+    final file = File("${directory.isNotEmpty ? "$directory/" : ""}$fileName");
+    if (!file.existsSync()) {
+      return true;
+    }
+    return false;
+  }
+
+  @override
+  String import(String path, String baseName, String className) {
+    return """
+""";
+  }
+
+  @override
+  String header(String path, String baseName, String className) {
+    return "";
+  }
+
+  @override
+  String body(String path, String baseName, String className) {
+    return """
+[
+  {
+    "origin": ["*"],
+    "method": ["GET"],
+    "maxAgeSeconds": 3600
+  }
+]
+""";
+  }
+}

packages/katana_cli/lib/command/doctor.dart

@@ -20,6 +20,8 @@ const _mainCommands = {
       "The `keytool` command does not exist. Please install the JDK from the following and pass the path under the bin file of the installed JDK:\nhttps://jdk.java.net/\n\n`keytool`コマンドが存在しません。下記からJDKをインストールし、インストールしたJDKのbinファイル以下のパスを通してください。\nhttps://jdk.java.net/",
   "openssl":
       "The command `openssl` does not exist.\n[Windows] Please install from the following and pass through the path:\nhttps://slproweb.com/products/Win32OpenSSL.html\n[Mac] Please install from the following command and pass through the path:\n`brew install openssl`\n\n`openssl`のコマンドが存在しません。\n[Windows]下記からインストールを行ってパスを通してください。\nhttps://slproweb.com/products/Win32OpenSSL.html\n[Mac]下記のコマンドからインストールを行ってパスを通してください。。\n`brew install openssl`",
+  "gsutil":
+      "The `gsutil` command does not exist.\nPlease install from the following:\nhttps://cloud.google.com/storage/docs/gsutil_install\n\n`gsutil`コマンドが存在しません。\n下記からインストールを行ってください。\nhttps://cloud.google.com/storage/docs/gsutil_install",
 };
 
 final _macOSMainCommand = {

packages/katana_cli/lib/config.dart

@@ -220,8 +220,10 @@ ${showAllConfig ? """
 
   # Enable Cloud Storage for Firebase.
   # Cloud Storage for Firebaseを有効にします。
+  # CORSで画像等を取得する
   storage:
     enable: false
+    cors: false
 
   # Enable Cloud Functions for Firebase.
   # Cloud Functions for Firebaseを有効にします。

packages/katana_cli/pubspec.lock

@@ -159,7 +159,7 @@ packages:
       path: "../katana"
       relative: true
     source: path
-    version: "2.5.3"
+    version: "2.6.3"
   lints:
     dependency: transitive
     description: