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perf(认证): 引入 API Key 认证缓存与轻量删除查询

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增加 L1/L2 缓存、负缓存与单飞回源
使用 key+owner 轻量查询替代全量加载并清理旧接口
补充缓存失效与余额更新测试，修复随机抖动 lint

测试: make test
This commit is contained in:
yangjianbo
2026-01-10 22:23:51 +08:00
committed by shaw
parent 9cba595fd0
commit 44a93c1922
22 changed files with 1360 additions and 99 deletions
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57
backend/internal/config/config.go
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@@ -36,25 +36,26 @@ const (
)
type Config struct {
Server ServerConfig `mapstructure:"server"`
CORS CORSConfig `mapstructure:"cors"`
Security SecurityConfig `mapstructure:"security"`
Billing BillingConfig `mapstructure:"billing"`
Turnstile TurnstileConfig `mapstructure:"turnstile"`
Database DatabaseConfig `mapstructure:"database"`
Redis RedisConfig `mapstructure:"redis"`
JWT JWTConfig `mapstructure:"jwt"`
LinuxDo LinuxDoConnectConfig `mapstructure:"linuxdo_connect"`
Default DefaultConfig `mapstructure:"default"`
RateLimit RateLimitConfig `mapstructure:"rate_limit"`
Pricing PricingConfig `mapstructure:"pricing"`
Gateway GatewayConfig `mapstructure:"gateway"`
Concurrency ConcurrencyConfig `mapstructure:"concurrency"`
TokenRefresh TokenRefreshConfig `mapstructure:"token_refresh"`
RunMode string `mapstructure:"run_mode" yaml:"run_mode"`
Timezone string `mapstructure:"timezone"` // e.g. "Asia/Shanghai", "UTC"
Gemini GeminiConfig `mapstructure:"gemini"`
Update UpdateConfig `mapstructure:"update"`
Server ServerConfig `mapstructure:"server"`
CORS CORSConfig `mapstructure:"cors"`
Security SecurityConfig `mapstructure:"security"`
Billing BillingConfig `mapstructure:"billing"`
Turnstile TurnstileConfig `mapstructure:"turnstile"`
Database DatabaseConfig `mapstructure:"database"`
Redis RedisConfig `mapstructure:"redis"`
JWT JWTConfig `mapstructure:"jwt"`
LinuxDo LinuxDoConnectConfig `mapstructure:"linuxdo_connect"`
Default DefaultConfig `mapstructure:"default"`
RateLimit RateLimitConfig `mapstructure:"rate_limit"`
Pricing PricingConfig `mapstructure:"pricing"`
Gateway GatewayConfig `mapstructure:"gateway"`
APIKeyAuth APIKeyAuthCacheConfig `mapstructure:"api_key_auth_cache"`
Concurrency ConcurrencyConfig `mapstructure:"concurrency"`
TokenRefresh TokenRefreshConfig `mapstructure:"token_refresh"`
RunMode string `mapstructure:"run_mode" yaml:"run_mode"`
Timezone string `mapstructure:"timezone"` // e.g. "Asia/Shanghai", "UTC"
Gemini GeminiConfig `mapstructure:"gemini"`
Update UpdateConfig `mapstructure:"update"`
}
// UpdateConfig 在线更新相关配置
@@ -375,6 +376,16 @@ type RateLimitConfig struct {
OverloadCooldownMinutes int `mapstructure:"overload_cooldown_minutes"` // 529过载冷却时间(分钟)
}
// APIKeyAuthCacheConfig API Key 认证缓存配置
type APIKeyAuthCacheConfig struct {
L1Size int `mapstructure:"l1_size"`
L1TTLSeconds int `mapstructure:"l1_ttl_seconds"`
L2TTLSeconds int `mapstructure:"l2_ttl_seconds"`
NegativeTTLSeconds int `mapstructure:"negative_ttl_seconds"`
JitterPercent int `mapstructure:"jitter_percent"`
Singleflight bool `mapstructure:"singleflight"`
}
func NormalizeRunMode(value string) string {
normalized := strings.ToLower(strings.TrimSpace(value))
switch normalized {
@@ -669,6 +680,14 @@ func setDefaults() {
// Timezone (default to Asia/Shanghai for Chinese users)
viper.SetDefault("timezone", "Asia/Shanghai")
// API Key auth cache
viper.SetDefault("api_key_auth_cache.l1_size", 65535)
viper.SetDefault("api_key_auth_cache.l1_ttl_seconds", 15)
viper.SetDefault("api_key_auth_cache.l2_ttl_seconds", 300)
viper.SetDefault("api_key_auth_cache.negative_ttl_seconds", 30)
viper.SetDefault("api_key_auth_cache.jitter_percent", 10)
viper.SetDefault("api_key_auth_cache.singleflight", true)
// Gateway
viper.SetDefault("gateway.response_header_timeout", 600) // 600秒(10分钟)等待上游响应头，LLM高负载时可能排队较久
viper.SetDefault("gateway.log_upstream_error_body", false)