feat: 实验性连接信息导出与会话恢复,重写关于页
- SessionShare:把 userId / JSESSIONID / token 打成 Base64(JSON),Cookie 只保留 JSESSIONID 一项,粘贴时容忍换行与空白,QR 令牌与乱码解不出来 - 主页底部新增「导出连接信息」卡片,标记实验性:内容未加密,字符串在手即可操作账号 - 登录页识别到连接信息时把登录按钮换成「恢复会话」,不必再扫 QR 令牌 - 恢复优先沿用导入的 JSESSIONID(不重发 UserLoginApi,免得顶掉机台上的登录), Cookie 失效才退回用 token 登录;验证 Cookie 时顺手拉到的 GetUserDataApi 结果 直接交给主页展示,省一次请求 - 仅凭 Cookie 恢复的会话没有 loginId / loginDateTime,_gameLogin 保持 null, 票据与风险页照旧提示「尚未登录游戏服务器」,主页顶部给出说明横幅 - 关于页改用 AppCard / SectionTitle 脚手架,补基本信息与风险提示,把过时的 「jsQR (web)」致谢换成原生 MethodChannel(QR 解码早已不走 web 库)
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import 'dart:convert';
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/// 实验性:一次登录的可搬运快照(用户 ID + JSESSIONID Cookie + 令牌),
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/// 编码方式是 Base64(JSON),用于在别的设备上恢复会话、免重新扫码。
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///
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/// 没有任何加密,字符串在谁手里谁就能操作这个账号,只适合自己传递。
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class SessionShare {
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static const String _kind = 'ichino.session';
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static const int _version = 1;
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final int userId;
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final String token;
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/// 原始 Cookie 串,可能是 `JSESSIONID=...`,也可能带别的字段。
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final String? cookie;
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const SessionShare({required this.userId, required this.token, this.cookie});
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/// 只取 `JSESSIONID`:传输层后续请求就靠它维持会话
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/// (见 `TitleApiService._captureCookiesFromResponse`)。
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String? get jsessionid {
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final raw = cookie;
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if (raw == null) return null;
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for (final part in raw.split(';')) {
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final pair = part.trim();
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final eq = pair.indexOf('=');
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if (eq <= 0) continue;
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if (pair.substring(0, eq).toUpperCase() != 'JSESSIONID') continue;
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final value = pair.substring(eq + 1).trim();
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return value.isEmpty ? null : 'JSESSIONID=$value';
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}
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return null;
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}
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bool get hasCookie => jsessionid != null;
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bool get hasToken => token.isNotEmpty;
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String encode() {
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final map = <String, dynamic>{
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'kind': _kind,
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'version': _version,
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'userId': userId,
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'token': token,
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'cookie': jsessionid,
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};
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return base64Encode(utf8.encode(jsonEncode(map)));
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}
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/// 不是连接信息时返回 `null`——登录页靠它区分 QR 令牌和会话快照。
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static SessionShare? tryDecode(String input) {
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var text = input.replaceAll(RegExp(r'\s'), '');
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if (text.length < 16) return null;
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final pad = text.length % 4;
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if (pad != 0) text += '=' * (4 - pad);
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try {
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final decoded = jsonDecode(utf8.decode(base64Decode(text)));
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if (decoded is! Map<String, dynamic>) return null;
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if (decoded['kind'] != _kind) return null;
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if ((decoded['version'] as num?)?.toInt() != _version) return null;
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final share = SessionShare(
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userId: (decoded['userId'] as num?)?.toInt() ?? 0,
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token: decoded['token'] as String? ?? '',
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cookie: decoded['cookie'] as String?,
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);
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// 两头都空的话这串信息什么都恢复不了。
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if (share.userId <= 0 || (!share.hasCookie && !share.hasToken)) {
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return null;
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}
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return share;
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} catch (_) {
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return null;
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}
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}
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}
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