sub2api/backend/internal/service/identity_service_antigravity.go
win e5d78f8e56
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refactor: 将自定义代码集中到 antigravity/ 目录和 *_antigravity.go 文件
- antigravity/node-tls-proxy/     ← 原 tools/node-tls-proxy
- antigravity/firewall/           ← 原 tools/firewall
- antigravity/maintenance/        ← 原 tools/maintenance
- repository/http_upstream_antigravity.go  ← Node.js 代理 3 个方法(原在 http_upstream.go)
- service/identity_service_antigravity.go  ← ApplyDefaultFingerprintOverrides + NewIdentityServiceWithSalt
- service/account_antigravity.go  ← Gemini TLS 指纹扩展函数

对上游文件 http_upstream.go 的钩子调用精简为 2 处 if 块(共 14 行)
对上游文件 account.go Gemini 分支精简为 1 行函数调用
便于 upstream rebase 时快速识别和保留自定义改动
2026-03-25 11:37:27 +08:00

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package service
// ==============================================================
// antigravity — identity_service 扩展
//
// 此文件包含 Antigravity fork 对 IdentityService 的扩展,
// 新增了实例级隔离盐值和指纹默认值覆盖功能。
//
// 对上游文件 identity_service.go 的最小化改动:
// - defaultFingerprint 版本号更新L29/L31claude-cli 2.1.81 / sdk 0.80.0
// - IdentityService struct 新增 instanceSalt 字段L86
// [以上两处改动仍在原文件中,因为是对已有定义的修改,无法完全抽离]
// ==============================================================
// ApplyDefaultFingerprintOverrides 用配置覆盖 identity_service 的默认指纹
// 允许不同部署实例设置不同的 CLI/SDK 版本号,避免所有实例指纹相同
func ApplyDefaultFingerprintOverrides(cliVersion, pkgVersion, runtimeVersion, os_, arch string) {
if cliVersion != "" {
defaultFingerprint.UserAgent = "claude-cli/" + cliVersion + " (external, cli)"
}
if pkgVersion != "" {
defaultFingerprint.StainlessPackageVersion = pkgVersion
}
if runtimeVersion != "" {
defaultFingerprint.StainlessRuntimeVersion = runtimeVersion
}
if os_ != "" {
defaultFingerprint.StainlessOS = os_
}
if arch != "" {
defaultFingerprint.StainlessArch = arch
}
}
// NewIdentityServiceWithSalt 创建带实例盐值的 IdentityService
// 实例盐值用于 user_id 重写时的 session hash 混淆,
// 使不同 sub2api 实例对相同输入产生不同的 hash 输出,增加隔离性
func NewIdentityServiceWithSalt(cache IdentityCache, salt string) *IdentityService {
return &IdentityService{cache: cache, instanceSalt: salt}
}