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feat(proxy,sora): 增强代理质量检测与Sora稳定性并修复审查问题

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This commit is contained in:
yangjianbo
2026-02-19 21:18:35 +08:00
parent 36a1a7998b
commit 46d9aee6dd
23 changed files with 1408 additions and 45 deletions
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6
backend/internal/handler/admin/admin_basic_handlers_test.go
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@@ -47,6 +47,7 @@ func setupAdminRouter() (*gin.Engine, *stubAdminService) {
router.DELETE("/api/v1/admin/proxies/:id", proxyHandler.Delete)
router.POST("/api/v1/admin/proxies/batch-delete", proxyHandler.BatchDelete)
router.POST("/api/v1/admin/proxies/:id/test", proxyHandler.Test)
router.POST("/api/v1/admin/proxies/:id/quality-check", proxyHandler.CheckQuality)
router.GET("/api/v1/admin/proxies/:id/stats", proxyHandler.GetStats)
router.GET("/api/v1/admin/proxies/:id/accounts", proxyHandler.GetProxyAccounts)
@@ -208,6 +209,11 @@ func TestProxyHandlerEndpoints(t *testing.T) {
router.ServeHTTP(rec, req)
require.Equal(t, http.StatusOK, rec.Code)
rec = httptest.NewRecorder()
req = httptest.NewRequest(http.MethodPost, "/api/v1/admin/proxies/4/quality-check", nil)
router.ServeHTTP(rec, req)
require.Equal(t, http.StatusOK, rec.Code)
rec = httptest.NewRecorder()
req = httptest.NewRequest(http.MethodGet, "/api/v1/admin/proxies/4/stats", nil)
router.ServeHTTP(rec, req)

21
backend/internal/handler/admin/admin_service_stub_test.go
View File

@@ -327,6 +327,27 @@ func (s *stubAdminService) TestProxy(ctx context.Context, id int64) (*service.Pr
return &service.ProxyTestResult{Success: true, Message: "ok"}, nil
}
func (s *stubAdminService) CheckProxyQuality(ctx context.Context, id int64) (*service.ProxyQualityCheckResult, error) {
return &service.ProxyQualityCheckResult{
ProxyID: id,
Score: 95,
Grade: "A",
Summary: "通过 4 项，告警 0 项，失败 0 项，挑战 0 项",
PassedCount: 4,
WarnCount: 0,
FailedCount: 0,
ChallengeCount: 0,
CheckedAt: time.Now().Unix(),
Items: []service.ProxyQualityCheckItem{
{Target: "base_connectivity", Status: "pass", Message: "ok"},
{Target: "openai", Status: "pass", HTTPStatus: 401},
{Target: "anthropic", Status: "pass", HTTPStatus: 401},
{Target: "gemini", Status: "pass", HTTPStatus: 200},
{Target: "sora", Status: "pass", HTTPStatus: 401},
},
}, nil
}
func (s *stubAdminService) ListRedeemCodes(ctx context.Context, page, pageSize int, codeType, status, search string) ([]service.RedeemCode, int64, error) {
return s.redeems, int64(len(s.redeems)), nil
}

18
backend/internal/handler/admin/proxy_handler.go
View File

@@ -236,6 +236,24 @@ func (h *ProxyHandler) Test(c *gin.Context) {
response.Success(c, result)
}
// CheckQuality handles checking proxy quality across common AI targets.
// POST /api/v1/admin/proxies/:id/quality-check
func (h *ProxyHandler) CheckQuality(c *gin.Context) {
proxyID, err := strconv.ParseInt(c.Param("id"), 10, 64)
if err != nil {
response.BadRequest(c, "Invalid proxy ID")
return
}
result, err := h.adminService.CheckProxyQuality(c.Request.Context(), proxyID)
if err != nil {
response.ErrorFrom(c, err)
return
}
response.Success(c, result)
}
// GetStats handles getting proxy statistics
// GET /api/v1/admin/proxies/:id/stats
func (h *ProxyHandler) GetStats(c *gin.Context) {

69
backend/internal/handler/sora_gateway_handler.go
View File

@@ -228,6 +228,20 @@ func (h *SoraGatewayHandler) ChatCompletions(c *gin.Context) {
h.handleStreamingAwareError(c, http.StatusServiceUnavailable, "api_error", "No available accounts: "+err.Error(), streamStarted)
return
}
rayID, mitigated, contentType := extractSoraFailoverHeaderInsights(lastFailoverHeaders, lastFailoverBody)
fields := []zap.Field{
zap.Int("last_upstream_status", lastFailoverStatus),
}
if rayID != "" {
fields = append(fields, zap.String("last_upstream_cf_ray", rayID))
}
if mitigated != "" {
fields = append(fields, zap.String("last_upstream_cf_mitigated", mitigated))
}
if contentType != "" {
fields = append(fields, zap.String("last_upstream_content_type", contentType))
}
reqLog.Warn("sora.failover_exhausted_no_available_accounts", fields...)
h.handleFailoverExhausted(c, lastFailoverStatus, lastFailoverHeaders, lastFailoverBody, streamStarted)
return
}
@@ -291,24 +305,52 @@ func (h *SoraGatewayHandler) ChatCompletions(c *gin.Context) {
failedAccountIDs[account.ID] = struct{}{}
if switchCount >= maxAccountSwitches {
lastFailoverStatus = failoverErr.StatusCode
lastFailoverHeaders = failoverErr.ResponseHeaders
lastFailoverHeaders = cloneHTTPHeaders(failoverErr.ResponseHeaders)
lastFailoverBody = failoverErr.ResponseBody
rayID, mitigated, contentType := extractSoraFailoverHeaderInsights(lastFailoverHeaders, lastFailoverBody)
fields := []zap.Field{
zap.Int64("account_id", account.ID),
zap.Int("upstream_status", failoverErr.StatusCode),
zap.Int("switch_count", switchCount),
zap.Int("max_switches", maxAccountSwitches),
}
if rayID != "" {
fields = append(fields, zap.String("upstream_cf_ray", rayID))
}
if mitigated != "" {
fields = append(fields, zap.String("upstream_cf_mitigated", mitigated))
}
if contentType != "" {
fields = append(fields, zap.String("upstream_content_type", contentType))
}
reqLog.Warn("sora.upstream_failover_exhausted", fields...)
h.handleFailoverExhausted(c, lastFailoverStatus, lastFailoverHeaders, lastFailoverBody, streamStarted)
return
}
lastFailoverStatus = failoverErr.StatusCode
lastFailoverHeaders = failoverErr.ResponseHeaders
lastFailoverHeaders = cloneHTTPHeaders(failoverErr.ResponseHeaders)
lastFailoverBody = failoverErr.ResponseBody
switchCount++
upstreamErrCode, upstreamErrMsg := extractUpstreamErrorCodeAndMessage(lastFailoverBody)
reqLog.Warn("sora.upstream_failover_switching",
rayID, mitigated, contentType := extractSoraFailoverHeaderInsights(lastFailoverHeaders, lastFailoverBody)
fields := []zap.Field{
zap.Int64("account_id", account.ID),
zap.Int("upstream_status", failoverErr.StatusCode),
zap.String("upstream_error_code", upstreamErrCode),
zap.String("upstream_error_message", upstreamErrMsg),
zap.Int("switch_count", switchCount),
zap.Int("max_switches", maxAccountSwitches),
)
}
if rayID != "" {
fields = append(fields, zap.String("upstream_cf_ray", rayID))
}
if mitigated != "" {
fields = append(fields, zap.String("upstream_cf_mitigated", mitigated))
}
if contentType != "" {
fields = append(fields, zap.String("upstream_content_type", contentType))
}
reqLog.Warn("sora.upstream_failover_switching", fields...)
continue
}
reqLog.Error("sora.forward_failed", zap.Int64("account_id", account.ID), zap.Error(err))
@@ -417,6 +459,25 @@ func (h *SoraGatewayHandler) mapUpstreamError(statusCode int, responseHeaders ht
}
}
func cloneHTTPHeaders(headers http.Header) http.Header {
if headers == nil {
return nil
}
return headers.Clone()
}
func extractSoraFailoverHeaderInsights(headers http.Header, body []byte) (rayID, mitigated, contentType string) {
if headers != nil {
mitigated = strings.TrimSpace(headers.Get("cf-mitigated"))
contentType = strings.TrimSpace(headers.Get("content-type"))
if contentType == "" {
contentType = strings.TrimSpace(headers.Get("Content-Type"))
}
}
rayID = soraerror.ExtractCloudflareRayID(headers, body)
return rayID, mitigated, contentType
}
func isSoraCloudflareChallengeResponse(statusCode int, headers http.Header, body []byte) bool {
return soraerror.IsCloudflareChallengeResponse(statusCode, headers, body)
}

12
backend/internal/handler/sora_gateway_handler_test.go
View File

@@ -674,3 +674,15 @@ func TestSoraHandleFailoverExhausted_CfShield429MappedToRateLimitError(t *testin
require.Contains(t, msg, "Cloudflare shield")
require.Contains(t, msg, "cf-ray: 9d03b68c086027a1-SEA")
}
func TestExtractSoraFailoverHeaderInsights(t *testing.T) {
headers := http.Header{}
headers.Set("cf-mitigated", "challenge")
headers.Set("content-type", "text/html")
body := []byte(`<script>window._cf_chl_opt={cRay: '9cff2d62d83bb98d'};</script>`)
rayID, mitigated, contentType := extractSoraFailoverHeaderInsights(headers, body)
require.Equal(t, "9cff2d62d83bb98d", rayID)
require.Equal(t, "challenge", mitigated)
require.Equal(t, "text/html", contentType)
}