fix: clean thoughtSignature for all clients, not just CLI

Previously, thoughtSignature cleanup only applied to Gemini CLI
requests (detected via x-gemini-api-privileged-user-id header or
tmp dir pattern). This caused 400 errors for non-CLI clients when
session cache expired and they sent stale signatures.

Remove the isGeminiCLIRequest guard so all clients benefit from
proactive thoughtSignature cleanup on session binding miss.
This commit is contained in:
erio
2026-02-09 06:45:01 +08:00
parent 5fa93ebdc7
commit 0b8fea4cb4

View File

@@ -30,13 +30,6 @@ import (
// 匹配格式: /Users/xxx/.gemini/tmp/[64位十六进制哈希]
var geminiCLITmpDirRegex = regexp.MustCompile(`/\.gemini/tmp/([A-Fa-f0-9]{64})`)
func isGeminiCLIRequest(c *gin.Context, body []byte) bool {
if strings.TrimSpace(c.GetHeader("x-gemini-api-privileged-user-id")) != "" {
return true
}
return geminiCLITmpDirRegex.Match(body)
}
// GeminiV1BetaListModels proxies:
// GET /v1beta/models
func (h *GatewayHandler) GeminiV1BetaListModels(c *gin.Context) {
@@ -316,7 +309,6 @@ func (h *GatewayHandler) GeminiV1BetaModels(c *gin.Context) {
// 判断是否真的绑定了粘性会话:有 sessionKey 且已经绑定到某个账号
hasBoundSession := sessionKey != "" && sessionBoundAccountID > 0
isCLI := isGeminiCLIRequest(c, body)
cleanedForUnknownBinding := false
maxAccountSwitches := h.maxAccountSwitchesGemini
@@ -344,10 +336,10 @@ func (h *GatewayHandler) GeminiV1BetaModels(c *gin.Context) {
log.Printf("[Gemini] Sticky session account switched: %d -> %d, cleaning thoughtSignature", sessionBoundAccountID, account.ID)
body = service.CleanGeminiNativeThoughtSignatures(body)
sessionBoundAccountID = account.ID
} else if sessionKey != "" && sessionBoundAccountID == 0 && isCLI && !cleanedForUnknownBinding && bytes.Contains(body, []byte(`"thoughtSignature"`)) {
// 无缓存绑定但请求里已有 thoughtSignature常见于缓存丢失/TTL 过期后,CLI 继续携带旧签名。
} else if sessionKey != "" && sessionBoundAccountID == 0 && !cleanedForUnknownBinding && bytes.Contains(body, []byte(`"thoughtSignature"`)) {
// 无缓存绑定但请求里已有 thoughtSignature常见于缓存丢失/TTL 过期后,客户端继续携带旧签名。
// 为避免第一次转发就 400这里做一次确定性清理让新账号重新生成签名链路。
log.Printf("[Gemini] Sticky session binding missing for CLI request, cleaning thoughtSignature proactively")
log.Printf("[Gemini] Sticky session binding missing, cleaning thoughtSignature proactively")
body = service.CleanGeminiNativeThoughtSignatures(body)
cleanedForUnknownBinding = true
sessionBoundAccountID = account.ID