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- using System;
- using System.Configuration;
- namespace ivf_tl_Operate.Helpers
- {
- /// <summary>
- /// M5-01-2 / M5-02:统一配置读写封装(operate 单一数据源 App.config 的集中接管点)。
- /// - 强类型容错读取(缺键返回默认值而非 NPE,缓解 R8"改一处漏一处起不来")。
- /// - 加密项读写经 <see cref="CryptoHelper"/>(passWord / engineerPwd 等本机凭据)。
- /// - <see cref="MigratePlaintextCredentials"/>:启动一次性明文→密文迁移(幂等)。
- /// 分层标注([D8] 待确认):
- /// 本地层:urlIp/urlPort/mqttIp/mqttPort/kfkaIP/kfkaPort/cacheDisk/Language/outInter/tlNum/houseEnabled/userName/passWord(加密)/engineerPwd(加密)
- /// 数据库层(TLSetting,不在此封装):autoFocusTime/videoFps/cropNum/heapDate/keepDate/cleanSurfaceData
- /// 暂留本地、待 D8 定归属:csTime/gbTime/VentNum/... 换气/CCD 类业务键
- /// [M7] 容错与迁移随合并进程运行验证(本地不可构建/运行)。
- /// </summary>
- public static class AppConfigHelper
- {
- /// <summary>工程师口令的 config 键(M5-02-3 治理 tl13579)。</summary>
- public const string EngineerPwdKey = "engineerPwd";
- /// <summary>工程师口令缺省值(首次无值回退;迁移时加密回写)。</summary>
- public const string DefaultEngineerPwd = "tl13579";
- /// <summary>容错读取字符串,缺键/空返回默认值。</summary>
- public static string GetString(string key, string defaultValue = "")
- {
- try
- {
- var v = ConfigurationManager.AppSettings[key];
- return string.IsNullOrEmpty(v) ? defaultValue : v;
- }
- catch
- {
- return defaultValue;
- }
- }
- /// <summary>容错读取整数,缺键/解析失败返回默认值。</summary>
- public static int GetInt(string key, int defaultValue = 0)
- {
- return int.TryParse(GetString(key, null), out var r) ? r : defaultValue;
- }
- /// <summary>
- /// 读取加密项并解密(旧明文原样返回,由迁移逻辑负责回写)。缺键返回默认值。
- /// </summary>
- public static string GetDecrypted(string key, string defaultValue = "")
- {
- var raw = GetString(key, null);
- if (string.IsNullOrEmpty(raw)) return defaultValue;
- return CryptoHelper.Decrypt(raw);
- }
- /// <summary>
- /// 写回普通键(沿用 OpenExeConfiguration + RefreshSection,对齐 AppData.SetApp 写法)。
- /// </summary>
- public static void Save(string key, string value)
- {
- try
- {
- Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
- if (config.AppSettings.Settings[key] == null)
- config.AppSettings.Settings.Add(key, value);
- else
- config.AppSettings.Settings[key].Value = value;
- config.Save(ConfigurationSaveMode.Modified);
- ConfigurationManager.RefreshSection("appSettings");
- }
- catch
- {
- // 写失败不抛出(避免阻断 UI/启动);[M7] 运行环境核查落盘。
- }
- }
- /// <summary>加密后写回(用于 passWord / engineerPwd 等凭据)。</summary>
- public static void SaveEncrypted(string key, string plain)
- {
- Save(key, CryptoHelper.Encrypt(plain));
- }
- /// <summary>
- /// M5-02-5:启动一次性凭据迁移(幂等)。
- /// (a) passWord:明文(旧值,如 123456)→密文回写;已是密文则跳过。
- /// (b) engineerPwd:键缺失→以默认 tl13579 加密建键;明文→密文回写。
- /// 仅当存在需迁移的明文时才写盘,已全部加密则不触碰文件(幂等)。
- /// </summary>
- public static void MigratePlaintextCredentials()
- {
- try
- {
- Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
- bool changed = false;
- // (a) passWord 明文 → 密文
- var pw = config.AppSettings.Settings["passWord"];
- if (pw != null && !string.IsNullOrEmpty(pw.Value) && !CryptoHelper.IsEncrypted(pw.Value))
- {
- pw.Value = CryptoHelper.Encrypt(pw.Value);
- changed = true;
- }
- // (b) engineerPwd 缺键或明文 → 加密建键/回写(治理 tl13579)
- var ep = config.AppSettings.Settings[EngineerPwdKey];
- if (ep == null)
- {
- config.AppSettings.Settings.Add(EngineerPwdKey, CryptoHelper.Encrypt(DefaultEngineerPwd));
- changed = true;
- }
- else if (!string.IsNullOrEmpty(ep.Value) && !CryptoHelper.IsEncrypted(ep.Value))
- {
- ep.Value = CryptoHelper.Encrypt(ep.Value);
- changed = true;
- }
- if (changed)
- {
- config.Save(ConfigurationSaveMode.Modified);
- ConfigurationManager.RefreshSection("appSettings");
- }
- }
- catch
- {
- // 迁移失败不阻断启动;[M7] 运行环境核查首次迁移。
- }
- }
- /// <summary>读取工程师口令明文(解密;键缺失/解密失败回退默认 tl13579)。</summary>
- public static string GetEngineerPwd()
- {
- var v = GetDecrypted(EngineerPwdKey, DefaultEngineerPwd);
- return string.IsNullOrEmpty(v) ? DefaultEngineerPwd : v;
- }
- }
- }
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