Initial Global Release v1.0 (Localization & Security Hardening)

app/utils/i18n.py

@@ -0,0 +1,41 @@
+import json
+import os
+from flask import current_app # type: ignore
+
+class I18n:
+    _locales = {}
+    _default_lang = 'en'
+
+    @classmethod
+    def load_locales(cls):
+        locales_dir = os.path.join(current_app.static_folder, 'locales')
+        for filename in os.listdir(locales_dir):
+            if filename.endswith('.json'):
+                lang = filename.split('.')[0]
+                with open(os.path.join(locales_dir, filename), 'r', encoding='utf-8') as f:
+                    cls._locales[lang] = json.load(f)
+
+    @classmethod
+    def t(cls, key, lang=None):
+        if not lang:
+            # 기본적으로 config에서 언어를 가져오거나 'en' 사용
+            lang = current_app.config.get('lang', cls._default_lang)
+        
+        if not cls._locales:
+            cls.load_locales()
+            
+        data = cls._locales.get(lang, cls._locales.get(cls._default_lang, {}))
+        
+        # 중첩 키 지원 (예: "groups.done")
+        parts = key.split('.')
+        for p in parts:
+            if isinstance(data, dict):
+                data = data.get(p)
+            else:
+                return key
+        
+        return data or key
+
+# 숏컷 함수
+def _t(key, lang=None):
+    return I18n.t(key, lang)