6baf810885
- 将 dummyThoughtSignature 改为导出的 DummyThoughtSignature 常量，供跨包使用 - 修改 gemini_native_signature_cleaner.go 将删除签名改为替换为 dummy 签名 这样可以跳过 Gemini 3 的签名验证，解决粘性会话切换账号时的验证失败问题 - 更新相关测试文件 Fixes: 粘性会话切换账号时 thoughtSignature 验证失败导致 400 错误
76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
package service
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import (
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"encoding/json"
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"github.com/Wei-Shaw/sub2api/internal/pkg/antigravity"
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)
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// CleanGeminiNativeThoughtSignatures 从 Gemini 原生 API 请求中替换 thoughtSignature 字段为 dummy 签名，
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// 以避免跨账号签名验证错误。
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//
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// 当粘性会话切换账号时（例如原账号异常、不可调度等），旧账号返回的 thoughtSignature
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// 会导致新账号的签名验证失败。通过替换为 dummy 签名，跳过签名验证。
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//
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// CleanGeminiNativeThoughtSignatures replaces thoughtSignature fields with dummy signature
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// in Gemini native API requests to avoid cross-account signature validation errors.
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//
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// When sticky session switches accounts (e.g., original account becomes unavailable),
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// thoughtSignatures from the old account will cause validation failures on the new account.
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// By replacing with dummy signature, we skip signature validation.
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func CleanGeminiNativeThoughtSignatures(body []byte) []byte {
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if len(body) == 0 {
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return body
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}
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// 解析 JSON
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var data any
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if err := json.Unmarshal(body, &data); err != nil {
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// 如果解析失败，返回原始 body（可能不是 JSON 或格式不正确）
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return body
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}
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// 递归替换 thoughtSignature 为 dummy 签名
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replaced := replaceThoughtSignaturesRecursive(data)
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// 重新序列化
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result, err := json.Marshal(replaced)
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if err != nil {
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// 如果序列化失败，返回原始 body
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return body
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}
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return result
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}
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// replaceThoughtSignaturesRecursive 递归遍历数据结构，将所有 thoughtSignature 字段替换为 dummy 签名
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func replaceThoughtSignaturesRecursive(data any) any {
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switch v := data.(type) {
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case map[string]any:
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// 创建新的 map，替换 thoughtSignature 为 dummy 签名
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result := make(map[string]any, len(v))
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for key, value := range v {
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// 替换 thoughtSignature 字段为 dummy 签名
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if key == "thoughtSignature" {
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result[key] = antigravity.DummyThoughtSignature
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continue
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}
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// 递归处理嵌套结构
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result[key] = replaceThoughtSignaturesRecursive(value)
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}
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return result
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case []any:
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// 递归处理数组中的每个元素
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result := make([]any, len(v))
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for i, item := range v {
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result[i] = replaceThoughtSignaturesRecursive(item)
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}
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return result
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default:
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// 基本类型（string, number, bool, null）直接返回
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return v
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}
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}
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