init

backend/config.py

@@ -0,0 +1,67 @@
+import json
+import os
+import copy
+from threading import Lock
+
+CONFIG_PATH = 'config.json'
+
+class ConfigManager:
+    """线程安全地处理 config.json 的读取、写入和访问"""
+    def __init__(self, path=CONFIG_PATH):
+        self.path = path
+        self._lock = Lock()
+        self.config = self._load_config()
+
+    def _load_config(self):
+        """加载配置文件，如果不存在则创建一个空的"""
+        with self._lock:
+            if os.path.exists(self.path):
+                try:
+                    with open(self.path, 'r', encoding='utf-8') as f:
+                        return json.load(f)
+                except (json.JSONDecodeError, IOError):
+                    return {}
+            return {}
+
+    def get_config(self, sensitive=False):
+        """
+        获取配置。
+        :param sensitive: False时，将敏感信息替换为 '******'
+        """
+        config_copy = copy.deepcopy(self.config)
+        if sensitive:
+            return config_copy
+            
+        # 隐藏敏感信息
+        sensitive_keys = {
+            'douban': 'cookie', 'ptskit': 'cookie',
+            'emby': 'api_key', 'plex': 'token', 'fnos': 'authorization'
+        }
+        for section, key in sensitive_keys.items():
+            if section in config_copy and key in config_copy[section]:
+                config_copy[section][key] = '******' if config_copy[section][key] else ''
+        
+        # 隐藏密码
+        for section in ['qbittorrent', 'transmission']:
+             if section in config_copy and 'password' in config_copy[section]:
+                config_copy[section]['password'] = ''
+
+        return config_copy
+
+    def save_config(self, new_config):
+        """保存配置到文件"""
+        with self._lock:
+            try:
+                with open(self.path, 'w', encoding='utf-8') as f:
+                    json.dump(new_config, f, indent=4, ensure_ascii=False)
+                self.config = new_config # 更新内存中的配置
+                return True, None
+            except Exception as e:
+                return False, str(e)
+
+    def get(self, key, default=None):
+        """获取特定配置项"""
+        return self.config.get(key, default)
+
+# 创建一个全局单例
+config_manager = ConfigManager()