// Package config provides configuration loading, defaults, and validation. package config import ( "crypto/rand" "encoding/hex" "fmt" "log" "net/url" "os" "strings" "time" "github.com/spf13/viper" ) const ( RunModeStandard = "standard" RunModeSimple = "simple" ) // DefaultCSPPolicy is the default Content-Security-Policy with nonce support // __CSP_NONCE__ will be replaced with actual nonce at request time by the SecurityHeaders middleware const DefaultCSPPolicy = "default-src 'self'; script-src 'self' __CSP_NONCE__ https://challenges.cloudflare.com https://static.cloudflareinsights.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; img-src 'self' data: https:; font-src 'self' data: https://fonts.gstatic.com; connect-src 'self' https:; frame-src https://challenges.cloudflare.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self'" // 连接池隔离策略常量 // 用于控制上游 HTTP 连接池的隔离粒度，影响连接复用和资源消耗 const ( // ConnectionPoolIsolationProxy: 按代理隔离 // 同一代理地址共享连接池，适合代理数量少、账户数量多的场景 ConnectionPoolIsolationProxy = "proxy" // ConnectionPoolIsolationAccount: 按账户隔离 // 每个账户独立连接池，适合账户数量少、需要严格隔离的场景 ConnectionPoolIsolationAccount = "account" // ConnectionPoolIsolationAccountProxy: 按账户+代理组合隔离（默认） // 同一账户+代理组合共享连接池，提供最细粒度的隔离 ConnectionPoolIsolationAccountProxy = "account_proxy" ) 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"` Ops OpsConfig `mapstructure:"ops"` JWT JWTConfig `mapstructure:"jwt"` Totp TotpConfig `mapstructure:"totp"` 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"` Dashboard DashboardCacheConfig `mapstructure:"dashboard_cache"` DashboardAgg DashboardAggregationConfig `mapstructure:"dashboard_aggregation"` UsageCleanup UsageCleanupConfig `mapstructure:"usage_cleanup"` 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"` } type GeminiConfig struct { OAuth GeminiOAuthConfig `mapstructure:"oauth"` Quota GeminiQuotaConfig `mapstructure:"quota"` } type GeminiOAuthConfig struct { ClientID string `mapstructure:"client_id"` ClientSecret string `mapstructure:"client_secret"` Scopes string `mapstructure:"scopes"` } type GeminiQuotaConfig struct { Tiers map[string]GeminiTierQuotaConfig `mapstructure:"tiers"` Policy string `mapstructure:"policy"` } type GeminiTierQuotaConfig struct { ProRPD *int64 `mapstructure:"pro_rpd" json:"pro_rpd"` FlashRPD *int64 `mapstructure:"flash_rpd" json:"flash_rpd"` CooldownMinutes *int `mapstructure:"cooldown_minutes" json:"cooldown_minutes"` } type UpdateConfig struct { // ProxyURL 用于访问 GitHub 的代理地址 // 支持 http/https/socks5/socks5h 协议 // 例如: "http://127.0.0.1:7890", "socks5://127.0.0.1:1080" ProxyURL string `mapstructure:"proxy_url"` } type LinuxDoConnectConfig struct { Enabled bool `mapstructure:"enabled"` ClientID string `mapstructure:"client_id"` ClientSecret string `mapstructure:"client_secret"` AuthorizeURL string `mapstructure:"authorize_url"` TokenURL string `mapstructure:"token_url"` UserInfoURL string `mapstructure:"userinfo_url"` Scopes string `mapstructure:"scopes"` RedirectURL string `mapstructure:"redirect_url"` // 后端回调地址（需在提供方后台登记） FrontendRedirectURL string `mapstructure:"frontend_redirect_url"` // 前端接收 token 的路由（默认：/auth/linuxdo/callback） TokenAuthMethod string `mapstructure:"token_auth_method"` // client_secret_post / client_secret_basic / none UsePKCE bool `mapstructure:"use_pkce"` // 可选：用于从 userinfo JSON 中提取字段的 gjson 路径。 // 为空时，服务端会尝试一组常见字段名。 UserInfoEmailPath string `mapstructure:"userinfo_email_path"` UserInfoIDPath string `mapstructure:"userinfo_id_path"` UserInfoUsernamePath string `mapstructure:"userinfo_username_path"` } // TokenRefreshConfig OAuth token自动刷新配置 type TokenRefreshConfig struct { // 是否启用自动刷新 Enabled bool `mapstructure:"enabled"` // 检查间隔（分钟） CheckIntervalMinutes int `mapstructure:"check_interval_minutes"` // 提前刷新时间（小时），在token过期前多久开始刷新 RefreshBeforeExpiryHours float64 `mapstructure:"refresh_before_expiry_hours"` // 最大重试次数 MaxRetries int `mapstructure:"max_retries"` // 重试退避基础时间（秒） RetryBackoffSeconds int `mapstructure:"retry_backoff_seconds"` } type PricingConfig struct { // 价格数据远程URL（默认使用LiteLLM镜像） RemoteURL string `mapstructure:"remote_url"` // 哈希校验文件URL HashURL string `mapstructure:"hash_url"` // 本地数据目录 DataDir string `mapstructure:"data_dir"` // 回退文件路径 FallbackFile string `mapstructure:"fallback_file"` // 更新间隔（小时） UpdateIntervalHours int `mapstructure:"update_interval_hours"` // 哈希校验间隔（分钟） HashCheckIntervalMinutes int `mapstructure:"hash_check_interval_minutes"` } type ServerConfig struct { Host string `mapstructure:"host"` Port int `mapstructure:"port"` Mode string `mapstructure:"mode"` // debug/release ReadHeaderTimeout int `mapstructure:"read_header_timeout"` // 读取请求头超时（秒） IdleTimeout int `mapstructure:"idle_timeout"` // 空闲连接超时（秒） TrustedProxies []string `mapstructure:"trusted_proxies"` // 可信代理列表（CIDR/IP） } type CORSConfig struct { AllowedOrigins []string `mapstructure:"allowed_origins"` AllowCredentials bool `mapstructure:"allow_credentials"` } type SecurityConfig struct { URLAllowlist URLAllowlistConfig `mapstructure:"url_allowlist"` ResponseHeaders ResponseHeaderConfig `mapstructure:"response_headers"` CSP CSPConfig `mapstructure:"csp"` ProxyProbe ProxyProbeConfig `mapstructure:"proxy_probe"` } type URLAllowlistConfig struct { Enabled bool `mapstructure:"enabled"` UpstreamHosts []string `mapstructure:"upstream_hosts"` PricingHosts []string `mapstructure:"pricing_hosts"` CRSHosts []string `mapstructure:"crs_hosts"` AllowPrivateHosts bool `mapstructure:"allow_private_hosts"` // 关闭 URL 白名单校验时，是否允许 http URL（默认只允许 https） AllowInsecureHTTP bool `mapstructure:"allow_insecure_http"` } type ResponseHeaderConfig struct { Enabled bool `mapstructure:"enabled"` AdditionalAllowed []string `mapstructure:"additional_allowed"` ForceRemove []string `mapstructure:"force_remove"` } type CSPConfig struct { Enabled bool `mapstructure:"enabled"` Policy string `mapstructure:"policy"` } type ProxyProbeConfig struct { InsecureSkipVerify bool `mapstructure:"insecure_skip_verify"` // 已禁用：禁止跳过 TLS 证书验证 } type BillingConfig struct { CircuitBreaker CircuitBreakerConfig `mapstructure:"circuit_breaker"` } type CircuitBreakerConfig struct { Enabled bool `mapstructure:"enabled"` FailureThreshold int `mapstructure:"failure_threshold"` ResetTimeoutSeconds int `mapstructure:"reset_timeout_seconds"` HalfOpenRequests int `mapstructure:"half_open_requests"` } type ConcurrencyConfig struct { // PingInterval: 并发等待期间的 SSE ping 间隔（秒） PingInterval int `mapstructure:"ping_interval"` } // GatewayConfig API网关相关配置 type GatewayConfig struct { // 等待上游响应头的超时时间（秒），0表示无超时 // 注意：这不影响流式数据传输，只控制等待响应头的时间 ResponseHeaderTimeout int `mapstructure:"response_header_timeout"` // 请求体最大字节数，用于网关请求体大小限制 MaxBodySize int64 `mapstructure:"max_body_size"` // ConnectionPoolIsolation: 上游连接池隔离策略（proxy/account/account_proxy） ConnectionPoolIsolation string `mapstructure:"connection_pool_isolation"` // HTTP 上游连接池配置（性能优化：支持高并发场景调优） // MaxIdleConns: 所有主机的最大空闲连接总数 MaxIdleConns int `mapstructure:"max_idle_conns"` // MaxIdleConnsPerHost: 每个主机的最大空闲连接数（关键参数，影响连接复用率） MaxIdleConnsPerHost int `mapstructure:"max_idle_conns_per_host"` // MaxConnsPerHost: 每个主机的最大连接数（包括活跃+空闲），0表示无限制 MaxConnsPerHost int `mapstructure:"max_conns_per_host"` // IdleConnTimeoutSeconds: 空闲连接超时时间（秒） IdleConnTimeoutSeconds int `mapstructure:"idle_conn_timeout_seconds"` // MaxUpstreamClients: 上游连接池客户端最大缓存数量 // 当使用连接池隔离策略时，系统会为不同的账户/代理组合创建独立的 HTTP 客户端 // 此参数限制缓存的客户端数量，超出后会淘汰最久未使用的客户端 // 建议值：预估的活跃账户数 * 1.2（留有余量） MaxUpstreamClients int `mapstructure:"max_upstream_clients"` // ClientIdleTTLSeconds: 上游连接池客户端空闲回收阈值（秒） // 超过此时间未使用的客户端会被标记为可回收 // 建议值：根据用户访问频率设置，一般 10-30 分钟 ClientIdleTTLSeconds int `mapstructure:"client_idle_ttl_seconds"` // ConcurrencySlotTTLMinutes: 并发槽位过期时间（分钟） // 应大于最长 LLM 请求时间，防止请求完成前槽位过期 ConcurrencySlotTTLMinutes int `mapstructure:"concurrency_slot_ttl_minutes"` // SessionIdleTimeoutMinutes: 会话空闲超时时间（分钟），默认 5 分钟 // 用于 Anthropic OAuth/SetupToken 账号的会话数量限制功能 // 空闲超过此时间的会话将被自动释放 SessionIdleTimeoutMinutes int `mapstructure:"session_idle_timeout_minutes"` // StreamDataIntervalTimeout: 流数据间隔超时（秒），0表示禁用 StreamDataIntervalTimeout int `mapstructure:"stream_data_interval_timeout"` // StreamKeepaliveInterval: 流式 keepalive 间隔（秒），0表示禁用 StreamKeepaliveInterval int `mapstructure:"stream_keepalive_interval"` // MaxLineSize: 上游 SSE 单行最大字节数（0使用默认值） MaxLineSize int `mapstructure:"max_line_size"` // 是否记录上游错误响应体摘要（避免输出请求内容） LogUpstreamErrorBody bool `mapstructure:"log_upstream_error_body"` // 上游错误响应体记录最大字节数（超过会截断） LogUpstreamErrorBodyMaxBytes int `mapstructure:"log_upstream_error_body_max_bytes"` // API-key 账号在客户端未提供 anthropic-beta 时，是否按需自动补齐（默认关闭以保持兼容） InjectBetaForAPIKey bool `mapstructure:"inject_beta_for_apikey"` // 是否允许对部分 400 错误触发 failover（默认关闭以避免改变语义） FailoverOn400 bool `mapstructure:"failover_on_400"` // 账户切换最大次数（遇到上游错误时切换到其他账户的次数上限） MaxAccountSwitches int `mapstructure:"max_account_switches"` // Gemini 账户切换最大次数（Gemini 平台单独配置，因 API 限制更严格） MaxAccountSwitchesGemini int `mapstructure:"max_account_switches_gemini"` // Antigravity 429 fallback 限流时间（分钟），解析重置时间失败时使用 AntigravityFallbackCooldownMinutes int `mapstructure:"antigravity_fallback_cooldown_minutes"` // Scheduling: 账号调度相关配置 Scheduling GatewaySchedulingConfig `mapstructure:"scheduling"` // TLSFingerprint: TLS指纹伪装配置 TLSFingerprint TLSFingerprintConfig `mapstructure:"tls_fingerprint"` } // TLSFingerprintConfig TLS指纹伪装配置 // 用于模拟 Claude CLI (Node.js) 的 TLS 握手特征，避免被识别为非官方客户端 type TLSFingerprintConfig struct { // Enabled: 是否全局启用TLS指纹功能 Enabled bool `mapstructure:"enabled"` // Profiles: 预定义的TLS指纹配置模板 // key 为模板名称，如 "claude_cli_v2", "chrome_120" 等 Profiles map[string]TLSProfileConfig `mapstructure:"profiles"` } // TLSProfileConfig 单个TLS指纹模板的配置 type TLSProfileConfig struct { // Name: 模板显示名称 Name string `mapstructure:"name"` // EnableGREASE: 是否启用GREASE扩展（Chrome使用，Node.js不使用） EnableGREASE bool `mapstructure:"enable_grease"` // CipherSuites: TLS加密套件列表（空则使用内置默认值） CipherSuites []uint16 `mapstructure:"cipher_suites"` // Curves: 椭圆曲线列表（空则使用内置默认值） Curves []uint16 `mapstructure:"curves"` // PointFormats: 点格式列表（空则使用内置默认值） PointFormats []uint8 `mapstructure:"point_formats"` } // GatewaySchedulingConfig accounts scheduling configuration. type GatewaySchedulingConfig struct { // 粘性会话排队配置 StickySessionMaxWaiting int `mapstructure:"sticky_session_max_waiting"` StickySessionWaitTimeout time.Duration `mapstructure:"sticky_session_wait_timeout"` // 兜底排队配置 FallbackWaitTimeout time.Duration `mapstructure:"fallback_wait_timeout"` FallbackMaxWaiting int `mapstructure:"fallback_max_waiting"` // 兜底层账户选择策略: "last_used"(按最后使用时间排序，默认) 或 "random"(随机) FallbackSelectionMode string `mapstructure:"fallback_selection_mode"` // 负载计算 LoadBatchEnabled bool `mapstructure:"load_batch_enabled"` // 过期槽位清理周期（0 表示禁用） SlotCleanupInterval time.Duration `mapstructure:"slot_cleanup_interval"` // 受控回源配置 DbFallbackEnabled bool `mapstructure:"db_fallback_enabled"` // 受控回源超时（秒），0 表示不额外收紧超时 DbFallbackTimeoutSeconds int `mapstructure:"db_fallback_timeout_seconds"` // 受控回源限流（实例级 QPS），0 表示不限制 DbFallbackMaxQPS int `mapstructure:"db_fallback_max_qps"` // Outbox 轮询与滞后阈值配置 // Outbox 轮询周期（秒） OutboxPollIntervalSeconds int `mapstructure:"outbox_poll_interval_seconds"` // Outbox 滞后告警阈值（秒） OutboxLagWarnSeconds int `mapstructure:"outbox_lag_warn_seconds"` // Outbox 触发强制重建阈值（秒） OutboxLagRebuildSeconds int `mapstructure:"outbox_lag_rebuild_seconds"` // Outbox 连续滞后触发次数 OutboxLagRebuildFailures int `mapstructure:"outbox_lag_rebuild_failures"` // Outbox 积压触发重建阈值（行数） OutboxBacklogRebuildRows int `mapstructure:"outbox_backlog_rebuild_rows"` // 全量重建周期配置 // 全量重建周期（秒），0 表示禁用 FullRebuildIntervalSeconds int `mapstructure:"full_rebuild_interval_seconds"` } func (s *ServerConfig) Address() string { return fmt.Sprintf("%s:%d", s.Host, s.Port) } // DatabaseConfig 数据库连接配置 // 性能优化：新增连接池参数，避免频繁创建/销毁连接 type DatabaseConfig struct { Host string `mapstructure:"host"` Port int `mapstructure:"port"` User string `mapstructure:"user"` Password string `mapstructure:"password"` DBName string `mapstructure:"dbname"` SSLMode string `mapstructure:"sslmode"` // 连接池配置（性能优化：可配置化连接池参数） // MaxOpenConns: 最大打开连接数，控制数据库连接上限，防止资源耗尽 MaxOpenConns int `mapstructure:"max_open_conns"` // MaxIdleConns: 最大空闲连接数，保持热连接减少建连延迟 MaxIdleConns int `mapstructure:"max_idle_conns"` // ConnMaxLifetimeMinutes: 连接最大存活时间，防止长连接导致的资源泄漏 ConnMaxLifetimeMinutes int `mapstructure:"conn_max_lifetime_minutes"` // ConnMaxIdleTimeMinutes: 空闲连接最大存活时间，及时释放不活跃连接 ConnMaxIdleTimeMinutes int `mapstructure:"conn_max_idle_time_minutes"` } func (d *DatabaseConfig) DSN() string { // 当密码为空时不包含 password 参数，避免 libpq 解析错误 if d.Password == "" { return fmt.Sprintf( "host=%s port=%d user=%s dbname=%s sslmode=%s", d.Host, d.Port, d.User, d.DBName, d.SSLMode, ) } return fmt.Sprintf( "host=%s port=%d user=%s password=%s dbname=%s sslmode=%s", d.Host, d.Port, d.User, d.Password, d.DBName, d.SSLMode, ) } // DSNWithTimezone returns DSN with timezone setting func (d *DatabaseConfig) DSNWithTimezone(tz string) string { if tz == "" { tz = "Asia/Shanghai" } // 当密码为空时不包含 password 参数，避免 libpq 解析错误 if d.Password == "" { return fmt.Sprintf( "host=%s port=%d user=%s dbname=%s sslmode=%s TimeZone=%s", d.Host, d.Port, d.User, d.DBName, d.SSLMode, tz, ) } return fmt.Sprintf( "host=%s port=%d user=%s password=%s dbname=%s sslmode=%s TimeZone=%s", d.Host, d.Port, d.User, d.Password, d.DBName, d.SSLMode, tz, ) } // RedisConfig Redis 连接配置 // 性能优化：新增连接池和超时参数，提升高并发场景下的吞吐量 type RedisConfig struct { Host string `mapstructure:"host"` Port int `mapstructure:"port"` Password string `mapstructure:"password"` DB int `mapstructure:"db"` // 连接池与超时配置（性能优化：可配置化连接池参数） // DialTimeoutSeconds: 建立连接超时，防止慢连接阻塞 DialTimeoutSeconds int `mapstructure:"dial_timeout_seconds"` // ReadTimeoutSeconds: 读取超时，避免慢查询阻塞连接池 ReadTimeoutSeconds int `mapstructure:"read_timeout_seconds"` // WriteTimeoutSeconds: 写入超时，避免慢写入阻塞连接池 WriteTimeoutSeconds int `mapstructure:"write_timeout_seconds"` // PoolSize: 连接池大小，控制最大并发连接数 PoolSize int `mapstructure:"pool_size"` // MinIdleConns: 最小空闲连接数，保持热连接减少冷启动延迟 MinIdleConns int `mapstructure:"min_idle_conns"` // EnableTLS: 是否启用 TLS/SSL 连接 EnableTLS bool `mapstructure:"enable_tls"` } func (r *RedisConfig) Address() string { return fmt.Sprintf("%s:%d", r.Host, r.Port) } type OpsConfig struct { // Enabled controls whether ops features should run. // // NOTE: vNext still has a DB-backed feature flag (ops_monitoring_enabled) for runtime on/off. // This config flag is the "hard switch" for deployments that want to disable ops completely. Enabled bool `mapstructure:"enabled"` // UsePreaggregatedTables prefers ops_metrics_hourly/daily for long-window dashboard queries. UsePreaggregatedTables bool `mapstructure:"use_preaggregated_tables"` // Cleanup controls periodic deletion of old ops data to prevent unbounded growth. Cleanup OpsCleanupConfig `mapstructure:"cleanup"` // MetricsCollectorCache controls Redis caching for expensive per-window collector queries. MetricsCollectorCache OpsMetricsCollectorCacheConfig `mapstructure:"metrics_collector_cache"` // Pre-aggregation configuration. Aggregation OpsAggregationConfig `mapstructure:"aggregation"` } type OpsCleanupConfig struct { Enabled bool `mapstructure:"enabled"` Schedule string `mapstructure:"schedule"` // Retention days (0 disables that cleanup target). // // vNext requirement: default 30 days across ops datasets. ErrorLogRetentionDays int `mapstructure:"error_log_retention_days"` MinuteMetricsRetentionDays int `mapstructure:"minute_metrics_retention_days"` HourlyMetricsRetentionDays int `mapstructure:"hourly_metrics_retention_days"` } type OpsAggregationConfig struct { Enabled bool `mapstructure:"enabled"` } type OpsMetricsCollectorCacheConfig struct { Enabled bool `mapstructure:"enabled"` TTL time.Duration `mapstructure:"ttl"` } type JWTConfig struct { Secret string `mapstructure:"secret"` ExpireHour int `mapstructure:"expire_hour"` } // TotpConfig TOTP 双因素认证配置 type TotpConfig struct { // EncryptionKey 用于加密 TOTP 密钥的 AES-256 密钥（32 字节 hex 编码） // 如果为空，将自动生成一个随机密钥（仅适用于开发环境） EncryptionKey string `mapstructure:"encryption_key"` // EncryptionKeyConfigured 标记加密密钥是否为手动配置（非自动生成） // 只有手动配置了密钥才允许在管理后台启用 TOTP 功能 EncryptionKeyConfigured bool `mapstructure:"-"` } type TurnstileConfig struct { Required bool `mapstructure:"required"` } type DefaultConfig struct { AdminEmail string `mapstructure:"admin_email"` AdminPassword string `mapstructure:"admin_password"` UserConcurrency int `mapstructure:"user_concurrency"` UserBalance float64 `mapstructure:"user_balance"` APIKeyPrefix string `mapstructure:"api_key_prefix"` RateMultiplier float64 `mapstructure:"rate_multiplier"` } 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"` } // DashboardCacheConfig 仪表盘统计缓存配置 type DashboardCacheConfig struct { // Enabled: 是否启用仪表盘缓存 Enabled bool `mapstructure:"enabled"` // KeyPrefix: Redis key 前缀，用于多环境隔离 KeyPrefix string `mapstructure:"key_prefix"` // StatsFreshTTLSeconds: 缓存命中认为“新鲜”的时间窗口（秒） StatsFreshTTLSeconds int `mapstructure:"stats_fresh_ttl_seconds"` // StatsTTLSeconds: Redis 缓存总 TTL（秒） StatsTTLSeconds int `mapstructure:"stats_ttl_seconds"` // StatsRefreshTimeoutSeconds: 异步刷新超时（秒） StatsRefreshTimeoutSeconds int `mapstructure:"stats_refresh_timeout_seconds"` } // DashboardAggregationConfig 仪表盘预聚合配置 type DashboardAggregationConfig struct { // Enabled: 是否启用预聚合作业 Enabled bool `mapstructure:"enabled"` // IntervalSeconds: 聚合刷新间隔（秒） IntervalSeconds int `mapstructure:"interval_seconds"` // LookbackSeconds: 回看窗口（秒） LookbackSeconds int `mapstructure:"lookback_seconds"` // BackfillEnabled: 是否允许全量回填 BackfillEnabled bool `mapstructure:"backfill_enabled"` // BackfillMaxDays: 回填最大跨度（天） BackfillMaxDays int `mapstructure:"backfill_max_days"` // Retention: 各表保留窗口（天） Retention DashboardAggregationRetentionConfig `mapstructure:"retention"` // RecomputeDays: 启动时重算最近 N 天 RecomputeDays int `mapstructure:"recompute_days"` } // DashboardAggregationRetentionConfig 预聚合保留窗口 type DashboardAggregationRetentionConfig struct { UsageLogsDays int `mapstructure:"usage_logs_days"` HourlyDays int `mapstructure:"hourly_days"` DailyDays int `mapstructure:"daily_days"` } // UsageCleanupConfig 使用记录清理任务配置 type UsageCleanupConfig struct { // Enabled: 是否启用清理任务执行器 Enabled bool `mapstructure:"enabled"` // MaxRangeDays: 单次任务允许的最大时间跨度（天） MaxRangeDays int `mapstructure:"max_range_days"` // BatchSize: 单批删除数量 BatchSize int `mapstructure:"batch_size"` // WorkerIntervalSeconds: 后台任务轮询间隔（秒） WorkerIntervalSeconds int `mapstructure:"worker_interval_seconds"` // TaskTimeoutSeconds: 单次任务最大执行时长（秒） TaskTimeoutSeconds int `mapstructure:"task_timeout_seconds"` } func NormalizeRunMode(value string) string { normalized := strings.ToLower(strings.TrimSpace(value)) switch normalized { case RunModeStandard, RunModeSimple: return normalized default: return RunModeStandard } } func Load() (*Config, error) { viper.SetConfigName("config") viper.SetConfigType("yaml") // Add config paths in priority order // 1. DATA_DIR environment variable (highest priority) if dataDir := os.Getenv("DATA_DIR"); dataDir != "" { viper.AddConfigPath(dataDir) } // 2. Docker data directory viper.AddConfigPath("/app/data") // 3. Current directory viper.AddConfigPath(".") // 4. Config subdirectory viper.AddConfigPath("./config") // 5. System config directory viper.AddConfigPath("/etc/sub2api") // 环境变量支持 viper.AutomaticEnv() viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_")) // 默认值 setDefaults() if err := viper.ReadInConfig(); err != nil { if _, ok := err.(viper.ConfigFileNotFoundError); !ok { return nil, fmt.Errorf("read config error: %w", err) } // 配置文件不存在时使用默认值 } var cfg Config if err := viper.Unmarshal(&cfg); err != nil { return nil, fmt.Errorf("unmarshal config error: %w", err) } cfg.RunMode = NormalizeRunMode(cfg.RunMode) cfg.Server.Mode = strings.ToLower(strings.TrimSpace(cfg.Server.Mode)) if cfg.Server.Mode == "" { cfg.Server.Mode = "debug" } cfg.JWT.Secret = strings.TrimSpace(cfg.JWT.Secret) cfg.LinuxDo.ClientID = strings.TrimSpace(cfg.LinuxDo.ClientID) cfg.LinuxDo.ClientSecret = strings.TrimSpace(cfg.LinuxDo.ClientSecret) cfg.LinuxDo.AuthorizeURL = strings.TrimSpace(cfg.LinuxDo.AuthorizeURL) cfg.LinuxDo.TokenURL = strings.TrimSpace(cfg.LinuxDo.TokenURL) cfg.LinuxDo.UserInfoURL = strings.TrimSpace(cfg.LinuxDo.UserInfoURL) cfg.LinuxDo.Scopes = strings.TrimSpace(cfg.LinuxDo.Scopes) cfg.LinuxDo.RedirectURL = strings.TrimSpace(cfg.LinuxDo.RedirectURL) cfg.LinuxDo.FrontendRedirectURL = strings.TrimSpace(cfg.LinuxDo.FrontendRedirectURL) cfg.LinuxDo.TokenAuthMethod = strings.ToLower(strings.TrimSpace(cfg.LinuxDo.TokenAuthMethod)) cfg.LinuxDo.UserInfoEmailPath = strings.TrimSpace(cfg.LinuxDo.UserInfoEmailPath) cfg.LinuxDo.UserInfoIDPath = strings.TrimSpace(cfg.LinuxDo.UserInfoIDPath) cfg.LinuxDo.UserInfoUsernamePath = strings.TrimSpace(cfg.LinuxDo.UserInfoUsernamePath) cfg.Dashboard.KeyPrefix = strings.TrimSpace(cfg.Dashboard.KeyPrefix) cfg.CORS.AllowedOrigins = normalizeStringSlice(cfg.CORS.AllowedOrigins) cfg.Security.ResponseHeaders.AdditionalAllowed = normalizeStringSlice(cfg.Security.ResponseHeaders.AdditionalAllowed) cfg.Security.ResponseHeaders.ForceRemove = normalizeStringSlice(cfg.Security.ResponseHeaders.ForceRemove) cfg.Security.CSP.Policy = strings.TrimSpace(cfg.Security.CSP.Policy) if cfg.JWT.Secret == "" { secret, err := generateJWTSecret(64) if err != nil { return nil, fmt.Errorf("generate jwt secret error: %w", err) } cfg.JWT.Secret = secret log.Println("Warning: JWT secret auto-generated. Consider setting a fixed secret for production.") } // Auto-generate TOTP encryption key if not set (32 bytes = 64 hex chars for AES-256) cfg.Totp.EncryptionKey = strings.TrimSpace(cfg.Totp.EncryptionKey) if cfg.Totp.EncryptionKey == "" { key, err := generateJWTSecret(32) // Reuse the same random generation function if err != nil { return nil, fmt.Errorf("generate totp encryption key error: %w", err) } cfg.Totp.EncryptionKey = key cfg.Totp.EncryptionKeyConfigured = false log.Println("Warning: TOTP encryption key auto-generated. Consider setting a fixed key for production.") } else { cfg.Totp.EncryptionKeyConfigured = true } if err := cfg.Validate(); err != nil { return nil, fmt.Errorf("validate config error: %w", err) } if !cfg.Security.URLAllowlist.Enabled { log.Println("Warning: security.url_allowlist.enabled=false; allowlist/SSRF checks disabled (minimal format validation only).") } if !cfg.Security.ResponseHeaders.Enabled { log.Println("Warning: security.response_headers.enabled=false; configurable header filtering disabled (default allowlist only).") } if cfg.JWT.Secret != "" && isWeakJWTSecret(cfg.JWT.Secret) { log.Println("Warning: JWT secret appears weak; use a 32+ character random secret in production.") } if len(cfg.Security.ResponseHeaders.AdditionalAllowed) > 0 || len(cfg.Security.ResponseHeaders.ForceRemove) > 0 { log.Printf("AUDIT: response header policy configured additional_allowed=%v force_remove=%v", cfg.Security.ResponseHeaders.AdditionalAllowed, cfg.Security.ResponseHeaders.ForceRemove, ) } return &cfg, nil } func setDefaults() { viper.SetDefault("run_mode", RunModeStandard) // Server viper.SetDefault("server.host", "0.0.0.0") viper.SetDefault("server.port", 8080) viper.SetDefault("server.mode", "debug") viper.SetDefault("server.read_header_timeout", 30) // 30秒读取请求头 viper.SetDefault("server.idle_timeout", 120) // 120秒空闲超时 viper.SetDefault("server.trusted_proxies", []string{}) // CORS viper.SetDefault("cors.allowed_origins", []string{}) viper.SetDefault("cors.allow_credentials", true) // Security viper.SetDefault("security.url_allowlist.enabled", false) viper.SetDefault("security.url_allowlist.upstream_hosts", []string{ "api.openai.com", "api.anthropic.com", "api.kimi.com", "open.bigmodel.cn", "api.minimaxi.com", "generativelanguage.googleapis.com", "cloudcode-pa.googleapis.com", "*.openai.azure.com", }) viper.SetDefault("security.url_allowlist.pricing_hosts", []string{ "raw.githubusercontent.com", }) viper.SetDefault("security.url_allowlist.crs_hosts", []string{}) viper.SetDefault("security.url_allowlist.allow_private_hosts", true) viper.SetDefault("security.url_allowlist.allow_insecure_http", true) viper.SetDefault("security.response_headers.enabled", false) viper.SetDefault("security.response_headers.additional_allowed", []string{}) viper.SetDefault("security.response_headers.force_remove", []string{}) viper.SetDefault("security.csp.enabled", true) viper.SetDefault("security.csp.policy", DefaultCSPPolicy) viper.SetDefault("security.proxy_probe.insecure_skip_verify", false) // Billing viper.SetDefault("billing.circuit_breaker.enabled", true) viper.SetDefault("billing.circuit_breaker.failure_threshold", 5) viper.SetDefault("billing.circuit_breaker.reset_timeout_seconds", 30) viper.SetDefault("billing.circuit_breaker.half_open_requests", 3) // Turnstile viper.SetDefault("turnstile.required", false) // LinuxDo Connect OAuth 登录 viper.SetDefault("linuxdo_connect.enabled", false) viper.SetDefault("linuxdo_connect.client_id", "") viper.SetDefault("linuxdo_connect.client_secret", "") viper.SetDefault("linuxdo_connect.authorize_url", "https://connect.linux.do/oauth2/authorize") viper.SetDefault("linuxdo_connect.token_url", "https://connect.linux.do/oauth2/token") viper.SetDefault("linuxdo_connect.userinfo_url", "https://connect.linux.do/api/user") viper.SetDefault("linuxdo_connect.scopes", "user") viper.SetDefault("linuxdo_connect.redirect_url", "") viper.SetDefault("linuxdo_connect.frontend_redirect_url", "/auth/linuxdo/callback") viper.SetDefault("linuxdo_connect.token_auth_method", "client_secret_post") viper.SetDefault("linuxdo_connect.use_pkce", false) viper.SetDefault("linuxdo_connect.userinfo_email_path", "") viper.SetDefault("linuxdo_connect.userinfo_id_path", "") viper.SetDefault("linuxdo_connect.userinfo_username_path", "") // Database viper.SetDefault("database.host", "localhost") viper.SetDefault("database.port", 5432) viper.SetDefault("database.user", "postgres") viper.SetDefault("database.password", "postgres") viper.SetDefault("database.dbname", "sub2api") viper.SetDefault("database.sslmode", "disable") viper.SetDefault("database.max_open_conns", 50) viper.SetDefault("database.max_idle_conns", 10) viper.SetDefault("database.conn_max_lifetime_minutes", 30) viper.SetDefault("database.conn_max_idle_time_minutes", 5) // Redis viper.SetDefault("redis.host", "localhost") viper.SetDefault("redis.port", 6379) viper.SetDefault("redis.password", "") viper.SetDefault("redis.db", 0) viper.SetDefault("redis.dial_timeout_seconds", 5) viper.SetDefault("redis.read_timeout_seconds", 3) viper.SetDefault("redis.write_timeout_seconds", 3) viper.SetDefault("redis.pool_size", 128) viper.SetDefault("redis.min_idle_conns", 10) viper.SetDefault("redis.enable_tls", false) // Ops (vNext) viper.SetDefault("ops.enabled", true) viper.SetDefault("ops.use_preaggregated_tables", false) viper.SetDefault("ops.cleanup.enabled", true) viper.SetDefault("ops.cleanup.schedule", "0 2 * * *") // Retention days: vNext defaults to 30 days across ops datasets. viper.SetDefault("ops.cleanup.error_log_retention_days", 30) viper.SetDefault("ops.cleanup.minute_metrics_retention_days", 30) viper.SetDefault("ops.cleanup.hourly_metrics_retention_days", 30) viper.SetDefault("ops.aggregation.enabled", true) viper.SetDefault("ops.metrics_collector_cache.enabled", true) // TTL should be slightly larger than collection interval (1m) to maximize cross-replica cache hits. viper.SetDefault("ops.metrics_collector_cache.ttl", 65*time.Second) // JWT viper.SetDefault("jwt.secret", "") viper.SetDefault("jwt.expire_hour", 24) // TOTP viper.SetDefault("totp.encryption_key", "") // Default // Admin credentials are created via the setup flow (web wizard / CLI / AUTO_SETUP). // Do not ship fixed defaults here to avoid insecure "known credentials" in production. viper.SetDefault("default.admin_email", "") viper.SetDefault("default.admin_password", "") viper.SetDefault("default.user_concurrency", 5) viper.SetDefault("default.user_balance", 0) viper.SetDefault("default.api_key_prefix", "sk-") viper.SetDefault("default.rate_multiplier", 1.0) // RateLimit viper.SetDefault("rate_limit.overload_cooldown_minutes", 10) // Pricing - 从 price-mirror 分支同步，该分支维护了 sha256 哈希文件用于增量更新检查 viper.SetDefault("pricing.remote_url", "https://raw.githubusercontent.com/Wei-Shaw/claude-relay-service/price-mirror/model_prices_and_context_window.json") viper.SetDefault("pricing.hash_url", "https://raw.githubusercontent.com/Wei-Shaw/claude-relay-service/price-mirror/model_prices_and_context_window.sha256") viper.SetDefault("pricing.data_dir", "./data") viper.SetDefault("pricing.fallback_file", "./resources/model-pricing/model_prices_and_context_window.json") viper.SetDefault("pricing.update_interval_hours", 24) viper.SetDefault("pricing.hash_check_interval_minutes", 10) // 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) // Dashboard cache viper.SetDefault("dashboard_cache.enabled", true) viper.SetDefault("dashboard_cache.key_prefix", "sub2api:") viper.SetDefault("dashboard_cache.stats_fresh_ttl_seconds", 15) viper.SetDefault("dashboard_cache.stats_ttl_seconds", 30) viper.SetDefault("dashboard_cache.stats_refresh_timeout_seconds", 30) // Dashboard aggregation viper.SetDefault("dashboard_aggregation.enabled", true) viper.SetDefault("dashboard_aggregation.interval_seconds", 60) viper.SetDefault("dashboard_aggregation.lookback_seconds", 120) viper.SetDefault("dashboard_aggregation.backfill_enabled", false) viper.SetDefault("dashboard_aggregation.backfill_max_days", 31) viper.SetDefault("dashboard_aggregation.retention.usage_logs_days", 90) viper.SetDefault("dashboard_aggregation.retention.hourly_days", 180) viper.SetDefault("dashboard_aggregation.retention.daily_days", 730) viper.SetDefault("dashboard_aggregation.recompute_days", 2) // Usage cleanup task viper.SetDefault("usage_cleanup.enabled", true) viper.SetDefault("usage_cleanup.max_range_days", 31) viper.SetDefault("usage_cleanup.batch_size", 5000) viper.SetDefault("usage_cleanup.worker_interval_seconds", 10) viper.SetDefault("usage_cleanup.task_timeout_seconds", 1800) // 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", true) viper.SetDefault("gateway.log_upstream_error_body_max_bytes", 2048) viper.SetDefault("gateway.inject_beta_for_apikey", false) viper.SetDefault("gateway.failover_on_400", false) viper.SetDefault("gateway.max_account_switches", 10) viper.SetDefault("gateway.max_account_switches_gemini", 3) viper.SetDefault("gateway.antigravity_fallback_cooldown_minutes", 1) viper.SetDefault("gateway.max_body_size", int64(100*1024*1024)) viper.SetDefault("gateway.connection_pool_isolation", ConnectionPoolIsolationAccountProxy) // HTTP 上游连接池配置（针对 5000+ 并发用户优化） viper.SetDefault("gateway.max_idle_conns", 240) // 最大空闲连接总数（HTTP/2 场景默认） viper.SetDefault("gateway.max_idle_conns_per_host", 120) // 每主机最大空闲连接（HTTP/2 场景默认） viper.SetDefault("gateway.max_conns_per_host", 240) // 每主机最大连接数（含活跃，HTTP/2 场景默认） viper.SetDefault("gateway.idle_conn_timeout_seconds", 90) // 空闲连接超时（秒） viper.SetDefault("gateway.max_upstream_clients", 5000) viper.SetDefault("gateway.client_idle_ttl_seconds", 900) viper.SetDefault("gateway.concurrency_slot_ttl_minutes", 30) // 并发槽位过期时间（支持超长请求） viper.SetDefault("gateway.stream_data_interval_timeout", 180) viper.SetDefault("gateway.stream_keepalive_interval", 10) viper.SetDefault("gateway.max_line_size", 40*1024*1024) viper.SetDefault("gateway.scheduling.sticky_session_max_waiting", 3) viper.SetDefault("gateway.scheduling.sticky_session_wait_timeout", 120*time.Second) viper.SetDefault("gateway.scheduling.fallback_wait_timeout", 30*time.Second) viper.SetDefault("gateway.scheduling.fallback_max_waiting", 100) viper.SetDefault("gateway.scheduling.fallback_selection_mode", "last_used") viper.SetDefault("gateway.scheduling.load_batch_enabled", true) viper.SetDefault("gateway.scheduling.slot_cleanup_interval", 30*time.Second) viper.SetDefault("gateway.scheduling.db_fallback_enabled", true) viper.SetDefault("gateway.scheduling.db_fallback_timeout_seconds", 0) viper.SetDefault("gateway.scheduling.db_fallback_max_qps", 0) viper.SetDefault("gateway.scheduling.outbox_poll_interval_seconds", 1) viper.SetDefault("gateway.scheduling.outbox_lag_warn_seconds", 5) viper.SetDefault("gateway.scheduling.outbox_lag_rebuild_seconds", 10) viper.SetDefault("gateway.scheduling.outbox_lag_rebuild_failures", 3) viper.SetDefault("gateway.scheduling.outbox_backlog_rebuild_rows", 10000) viper.SetDefault("gateway.scheduling.full_rebuild_interval_seconds", 300) // TLS指纹伪装配置（默认关闭，需要账号级别单独启用） viper.SetDefault("gateway.tls_fingerprint.enabled", true) viper.SetDefault("concurrency.ping_interval", 10) // TokenRefresh viper.SetDefault("token_refresh.enabled", true) viper.SetDefault("token_refresh.check_interval_minutes", 5) // 每5分钟检查一次 viper.SetDefault("token_refresh.refresh_before_expiry_hours", 0.5) // 提前30分钟刷新（适配Google 1小时token） viper.SetDefault("token_refresh.max_retries", 3) // 最多重试3次 viper.SetDefault("token_refresh.retry_backoff_seconds", 2) // 重试退避基础2秒 // Gemini OAuth - configure via environment variables or config file // GEMINI_OAUTH_CLIENT_ID and GEMINI_OAUTH_CLIENT_SECRET // Default: uses Gemini CLI public credentials (set via environment) viper.SetDefault("gemini.oauth.client_id", "") viper.SetDefault("gemini.oauth.client_secret", "") viper.SetDefault("gemini.oauth.scopes", "") viper.SetDefault("gemini.quota.policy", "") } func (c *Config) Validate() error { if c.JWT.ExpireHour <= 0 { return fmt.Errorf("jwt.expire_hour must be positive") } if c.JWT.ExpireHour > 168 { return fmt.Errorf("jwt.expire_hour must be <= 168 (7 days)") } if c.JWT.ExpireHour > 24 { log.Printf("Warning: jwt.expire_hour is %d hours (> 24). Consider shorter expiration for security.", c.JWT.ExpireHour) } if c.Security.CSP.Enabled && strings.TrimSpace(c.Security.CSP.Policy) == "" { return fmt.Errorf("security.csp.policy is required when CSP is enabled") } if c.LinuxDo.Enabled { if strings.TrimSpace(c.LinuxDo.ClientID) == "" { return fmt.Errorf("linuxdo_connect.client_id is required when linuxdo_connect.enabled=true") } if strings.TrimSpace(c.LinuxDo.AuthorizeURL) == "" { return fmt.Errorf("linuxdo_connect.authorize_url is required when linuxdo_connect.enabled=true") } if strings.TrimSpace(c.LinuxDo.TokenURL) == "" { return fmt.Errorf("linuxdo_connect.token_url is required when linuxdo_connect.enabled=true") } if strings.TrimSpace(c.LinuxDo.UserInfoURL) == "" { return fmt.Errorf("linuxdo_connect.userinfo_url is required when linuxdo_connect.enabled=true") } if strings.TrimSpace(c.LinuxDo.RedirectURL) == "" { return fmt.Errorf("linuxdo_connect.redirect_url is required when linuxdo_connect.enabled=true") } method := strings.ToLower(strings.TrimSpace(c.LinuxDo.TokenAuthMethod)) switch method { case "", "client_secret_post", "client_secret_basic", "none": default: return fmt.Errorf("linuxdo_connect.token_auth_method must be one of: client_secret_post/client_secret_basic/none") } if method == "none" && !c.LinuxDo.UsePKCE { return fmt.Errorf("linuxdo_connect.use_pkce must be true when linuxdo_connect.token_auth_method=none") } if (method == "" || method == "client_secret_post" || method == "client_secret_basic") && strings.TrimSpace(c.LinuxDo.ClientSecret) == "" { return fmt.Errorf("linuxdo_connect.client_secret is required when linuxdo_connect.enabled=true and token_auth_method is client_secret_post/client_secret_basic") } if strings.TrimSpace(c.LinuxDo.FrontendRedirectURL) == "" { return fmt.Errorf("linuxdo_connect.frontend_redirect_url is required when linuxdo_connect.enabled=true") } if err := ValidateAbsoluteHTTPURL(c.LinuxDo.AuthorizeURL); err != nil { return fmt.Errorf("linuxdo_connect.authorize_url invalid: %w", err) } if err := ValidateAbsoluteHTTPURL(c.LinuxDo.TokenURL); err != nil { return fmt.Errorf("linuxdo_connect.token_url invalid: %w", err) } if err := ValidateAbsoluteHTTPURL(c.LinuxDo.UserInfoURL); err != nil { return fmt.Errorf("linuxdo_connect.userinfo_url invalid: %w", err) } if err := ValidateAbsoluteHTTPURL(c.LinuxDo.RedirectURL); err != nil { return fmt.Errorf("linuxdo_connect.redirect_url invalid: %w", err) } if err := ValidateFrontendRedirectURL(c.LinuxDo.FrontendRedirectURL); err != nil { return fmt.Errorf("linuxdo_connect.frontend_redirect_url invalid: %w", err) } warnIfInsecureURL("linuxdo_connect.authorize_url", c.LinuxDo.AuthorizeURL) warnIfInsecureURL("linuxdo_connect.token_url", c.LinuxDo.TokenURL) warnIfInsecureURL("linuxdo_connect.userinfo_url", c.LinuxDo.UserInfoURL) warnIfInsecureURL("linuxdo_connect.redirect_url", c.LinuxDo.RedirectURL) warnIfInsecureURL("linuxdo_connect.frontend_redirect_url", c.LinuxDo.FrontendRedirectURL) } if c.Billing.CircuitBreaker.Enabled { if c.Billing.CircuitBreaker.FailureThreshold <= 0 { return fmt.Errorf("billing.circuit_breaker.failure_threshold must be positive") } if c.Billing.CircuitBreaker.ResetTimeoutSeconds <= 0 { return fmt.Errorf("billing.circuit_breaker.reset_timeout_seconds must be positive") } if c.Billing.CircuitBreaker.HalfOpenRequests <= 0 { return fmt.Errorf("billing.circuit_breaker.half_open_requests must be positive") } } if c.Database.MaxOpenConns <= 0 { return fmt.Errorf("database.max_open_conns must be positive") } if c.Database.MaxIdleConns < 0 { return fmt.Errorf("database.max_idle_conns must be non-negative") } if c.Database.MaxIdleConns > c.Database.MaxOpenConns { return fmt.Errorf("database.max_idle_conns cannot exceed database.max_open_conns") } if c.Database.ConnMaxLifetimeMinutes < 0 { return fmt.Errorf("database.conn_max_lifetime_minutes must be non-negative") } if c.Database.ConnMaxIdleTimeMinutes < 0 { return fmt.Errorf("database.conn_max_idle_time_minutes must be non-negative") } if c.Redis.DialTimeoutSeconds <= 0 { return fmt.Errorf("redis.dial_timeout_seconds must be positive") } if c.Redis.ReadTimeoutSeconds <= 0 { return fmt.Errorf("redis.read_timeout_seconds must be positive") } if c.Redis.WriteTimeoutSeconds <= 0 { return fmt.Errorf("redis.write_timeout_seconds must be positive") } if c.Redis.PoolSize <= 0 { return fmt.Errorf("redis.pool_size must be positive") } if c.Redis.MinIdleConns < 0 { return fmt.Errorf("redis.min_idle_conns must be non-negative") } if c.Redis.MinIdleConns > c.Redis.PoolSize { return fmt.Errorf("redis.min_idle_conns cannot exceed redis.pool_size") } if c.Dashboard.Enabled { if c.Dashboard.StatsFreshTTLSeconds <= 0 { return fmt.Errorf("dashboard_cache.stats_fresh_ttl_seconds must be positive") } if c.Dashboard.StatsTTLSeconds <= 0 { return fmt.Errorf("dashboard_cache.stats_ttl_seconds must be positive") } if c.Dashboard.StatsRefreshTimeoutSeconds <= 0 { return fmt.Errorf("dashboard_cache.stats_refresh_timeout_seconds must be positive") } if c.Dashboard.StatsFreshTTLSeconds > c.Dashboard.StatsTTLSeconds { return fmt.Errorf("dashboard_cache.stats_fresh_ttl_seconds must be <= dashboard_cache.stats_ttl_seconds") } } else { if c.Dashboard.StatsFreshTTLSeconds < 0 { return fmt.Errorf("dashboard_cache.stats_fresh_ttl_seconds must be non-negative") } if c.Dashboard.StatsTTLSeconds < 0 { return fmt.Errorf("dashboard_cache.stats_ttl_seconds must be non-negative") } if c.Dashboard.StatsRefreshTimeoutSeconds < 0 { return fmt.Errorf("dashboard_cache.stats_refresh_timeout_seconds must be non-negative") } } if c.DashboardAgg.Enabled { if c.DashboardAgg.IntervalSeconds <= 0 { return fmt.Errorf("dashboard_aggregation.interval_seconds must be positive") } if c.DashboardAgg.LookbackSeconds < 0 { return fmt.Errorf("dashboard_aggregation.lookback_seconds must be non-negative") } if c.DashboardAgg.BackfillMaxDays < 0 { return fmt.Errorf("dashboard_aggregation.backfill_max_days must be non-negative") } if c.DashboardAgg.BackfillEnabled && c.DashboardAgg.BackfillMaxDays == 0 { return fmt.Errorf("dashboard_aggregation.backfill_max_days must be positive") } if c.DashboardAgg.Retention.UsageLogsDays <= 0 { return fmt.Errorf("dashboard_aggregation.retention.usage_logs_days must be positive") } if c.DashboardAgg.Retention.HourlyDays <= 0 { return fmt.Errorf("dashboard_aggregation.retention.hourly_days must be positive") } if c.DashboardAgg.Retention.DailyDays <= 0 { return fmt.Errorf("dashboard_aggregation.retention.daily_days must be positive") } if c.DashboardAgg.RecomputeDays < 0 { return fmt.Errorf("dashboard_aggregation.recompute_days must be non-negative") } } else { if c.DashboardAgg.IntervalSeconds < 0 { return fmt.Errorf("dashboard_aggregation.interval_seconds must be non-negative") } if c.DashboardAgg.LookbackSeconds < 0 { return fmt.Errorf("dashboard_aggregation.lookback_seconds must be non-negative") } if c.DashboardAgg.BackfillMaxDays < 0 { return fmt.Errorf("dashboard_aggregation.backfill_max_days must be non-negative") } if c.DashboardAgg.Retention.UsageLogsDays < 0 { return fmt.Errorf("dashboard_aggregation.retention.usage_logs_days must be non-negative") } if c.DashboardAgg.Retention.HourlyDays < 0 { return fmt.Errorf("dashboard_aggregation.retention.hourly_days must be non-negative") } if c.DashboardAgg.Retention.DailyDays < 0 { return fmt.Errorf("dashboard_aggregation.retention.daily_days must be non-negative") } if c.DashboardAgg.RecomputeDays < 0 { return fmt.Errorf("dashboard_aggregation.recompute_days must be non-negative") } } if c.UsageCleanup.Enabled { if c.UsageCleanup.MaxRangeDays <= 0 { return fmt.Errorf("usage_cleanup.max_range_days must be positive") } if c.UsageCleanup.BatchSize <= 0 { return fmt.Errorf("usage_cleanup.batch_size must be positive") } if c.UsageCleanup.WorkerIntervalSeconds <= 0 { return fmt.Errorf("usage_cleanup.worker_interval_seconds must be positive") } if c.UsageCleanup.TaskTimeoutSeconds <= 0 { return fmt.Errorf("usage_cleanup.task_timeout_seconds must be positive") } } else { if c.UsageCleanup.MaxRangeDays < 0 { return fmt.Errorf("usage_cleanup.max_range_days must be non-negative") } if c.UsageCleanup.BatchSize < 0 { return fmt.Errorf("usage_cleanup.batch_size must be non-negative") } if c.UsageCleanup.WorkerIntervalSeconds < 0 { return fmt.Errorf("usage_cleanup.worker_interval_seconds must be non-negative") } if c.UsageCleanup.TaskTimeoutSeconds < 0 { return fmt.Errorf("usage_cleanup.task_timeout_seconds must be non-negative") } } if c.Gateway.MaxBodySize <= 0 { return fmt.Errorf("gateway.max_body_size must be positive") } if strings.TrimSpace(c.Gateway.ConnectionPoolIsolation) != "" { switch c.Gateway.ConnectionPoolIsolation { case ConnectionPoolIsolationProxy, ConnectionPoolIsolationAccount, ConnectionPoolIsolationAccountProxy: default: return fmt.Errorf("gateway.connection_pool_isolation must be one of: %s/%s/%s", ConnectionPoolIsolationProxy, ConnectionPoolIsolationAccount, ConnectionPoolIsolationAccountProxy) } } if c.Gateway.MaxIdleConns <= 0 { return fmt.Errorf("gateway.max_idle_conns must be positive") } if c.Gateway.MaxIdleConnsPerHost <= 0 { return fmt.Errorf("gateway.max_idle_conns_per_host must be positive") } if c.Gateway.MaxConnsPerHost < 0 { return fmt.Errorf("gateway.max_conns_per_host must be non-negative") } if c.Gateway.IdleConnTimeoutSeconds <= 0 { return fmt.Errorf("gateway.idle_conn_timeout_seconds must be positive") } if c.Gateway.IdleConnTimeoutSeconds > 180 { log.Printf("Warning: gateway.idle_conn_timeout_seconds is %d (> 180). Consider 60-120 seconds for better connection reuse.", c.Gateway.IdleConnTimeoutSeconds) } if c.Gateway.MaxUpstreamClients <= 0 { return fmt.Errorf("gateway.max_upstream_clients must be positive") } if c.Gateway.ClientIdleTTLSeconds <= 0 { return fmt.Errorf("gateway.client_idle_ttl_seconds must be positive") } if c.Gateway.ConcurrencySlotTTLMinutes <= 0 { return fmt.Errorf("gateway.concurrency_slot_ttl_minutes must be positive") } if c.Gateway.StreamDataIntervalTimeout < 0 { return fmt.Errorf("gateway.stream_data_interval_timeout must be non-negative") } if c.Gateway.StreamDataIntervalTimeout != 0 && (c.Gateway.StreamDataIntervalTimeout < 30 || c.Gateway.StreamDataIntervalTimeout > 300) { return fmt.Errorf("gateway.stream_data_interval_timeout must be 0 or between 30-300 seconds") } if c.Gateway.StreamKeepaliveInterval < 0 { return fmt.Errorf("gateway.stream_keepalive_interval must be non-negative") } if c.Gateway.StreamKeepaliveInterval != 0 && (c.Gateway.StreamKeepaliveInterval < 5 || c.Gateway.StreamKeepaliveInterval > 30) { return fmt.Errorf("gateway.stream_keepalive_interval must be 0 or between 5-30 seconds") } if c.Gateway.MaxLineSize < 0 { return fmt.Errorf("gateway.max_line_size must be non-negative") } if c.Gateway.MaxLineSize != 0 && c.Gateway.MaxLineSize < 1024*1024 { return fmt.Errorf("gateway.max_line_size must be at least 1MB") } if c.Gateway.Scheduling.StickySessionMaxWaiting <= 0 { return fmt.Errorf("gateway.scheduling.sticky_session_max_waiting must be positive") } if c.Gateway.Scheduling.StickySessionWaitTimeout <= 0 { return fmt.Errorf("gateway.scheduling.sticky_session_wait_timeout must be positive") } if c.Gateway.Scheduling.FallbackWaitTimeout <= 0 { return fmt.Errorf("gateway.scheduling.fallback_wait_timeout must be positive") } if c.Gateway.Scheduling.FallbackMaxWaiting <= 0 { return fmt.Errorf("gateway.scheduling.fallback_max_waiting must be positive") } if c.Gateway.Scheduling.SlotCleanupInterval < 0 { return fmt.Errorf("gateway.scheduling.slot_cleanup_interval must be non-negative") } if c.Gateway.Scheduling.DbFallbackTimeoutSeconds < 0 { return fmt.Errorf("gateway.scheduling.db_fallback_timeout_seconds must be non-negative") } if c.Gateway.Scheduling.DbFallbackMaxQPS < 0 { return fmt.Errorf("gateway.scheduling.db_fallback_max_qps must be non-negative") } if c.Gateway.Scheduling.OutboxPollIntervalSeconds <= 0 { return fmt.Errorf("gateway.scheduling.outbox_poll_interval_seconds must be positive") } if c.Gateway.Scheduling.OutboxLagWarnSeconds < 0 { return fmt.Errorf("gateway.scheduling.outbox_lag_warn_seconds must be non-negative") } if c.Gateway.Scheduling.OutboxLagRebuildSeconds < 0 { return fmt.Errorf("gateway.scheduling.outbox_lag_rebuild_seconds must be non-negative") } if c.Gateway.Scheduling.OutboxLagRebuildFailures <= 0 { return fmt.Errorf("gateway.scheduling.outbox_lag_rebuild_failures must be positive") } if c.Gateway.Scheduling.OutboxBacklogRebuildRows < 0 { return fmt.Errorf("gateway.scheduling.outbox_backlog_rebuild_rows must be non-negative") } if c.Gateway.Scheduling.FullRebuildIntervalSeconds < 0 { return fmt.Errorf("gateway.scheduling.full_rebuild_interval_seconds must be non-negative") } if c.Gateway.Scheduling.OutboxLagWarnSeconds > 0 && c.Gateway.Scheduling.OutboxLagRebuildSeconds > 0 && c.Gateway.Scheduling.OutboxLagRebuildSeconds < c.Gateway.Scheduling.OutboxLagWarnSeconds { return fmt.Errorf("gateway.scheduling.outbox_lag_rebuild_seconds must be >= outbox_lag_warn_seconds") } if c.Ops.MetricsCollectorCache.TTL < 0 { return fmt.Errorf("ops.metrics_collector_cache.ttl must be non-negative") } if c.Ops.Cleanup.ErrorLogRetentionDays < 0 { return fmt.Errorf("ops.cleanup.error_log_retention_days must be non-negative") } if c.Ops.Cleanup.MinuteMetricsRetentionDays < 0 { return fmt.Errorf("ops.cleanup.minute_metrics_retention_days must be non-negative") } if c.Ops.Cleanup.HourlyMetricsRetentionDays < 0 { return fmt.Errorf("ops.cleanup.hourly_metrics_retention_days must be non-negative") } if c.Ops.Cleanup.Enabled && strings.TrimSpace(c.Ops.Cleanup.Schedule) == "" { return fmt.Errorf("ops.cleanup.schedule is required when ops.cleanup.enabled=true") } if c.Concurrency.PingInterval < 5 || c.Concurrency.PingInterval > 30 { return fmt.Errorf("concurrency.ping_interval must be between 5-30 seconds") } return nil } func normalizeStringSlice(values []string) []string { if len(values) == 0 { return values } normalized := make([]string, 0, len(values)) for _, v := range values { trimmed := strings.TrimSpace(v) if trimmed == "" { continue } normalized = append(normalized, trimmed) } return normalized } func isWeakJWTSecret(secret string) bool { lower := strings.ToLower(strings.TrimSpace(secret)) if lower == "" { return true } weak := map[string]struct{}{ "change-me-in-production": {}, "changeme": {}, "secret": {}, "password": {}, "123456": {}, "12345678": {}, "admin": {}, "jwt-secret": {}, } _, exists := weak[lower] return exists } func generateJWTSecret(byteLength int) (string, error) { if byteLength <= 0 { byteLength = 32 } buf := make([]byte, byteLength) if _, err := rand.Read(buf); err != nil { return "", err } return hex.EncodeToString(buf), nil } // GetServerAddress returns the server address (host:port) from config file or environment variable. // This is a lightweight function that can be used before full config validation, // such as during setup wizard startup. // Priority: config.yaml > environment variables > defaults func GetServerAddress() string { v := viper.New() v.SetConfigName("config") v.SetConfigType("yaml") v.AddConfigPath(".") v.AddConfigPath("./config") v.AddConfigPath("/etc/sub2api") // Support SERVER_HOST and SERVER_PORT environment variables v.AutomaticEnv() v.SetEnvKeyReplacer(strings.NewReplacer(".", "_")) v.SetDefault("server.host", "0.0.0.0") v.SetDefault("server.port", 8080) // Try to read config file (ignore errors if not found) _ = v.ReadInConfig() host := v.GetString("server.host") port := v.GetInt("server.port") return fmt.Sprintf("%s:%d", host, port) } // ValidateAbsoluteHTTPURL 验证是否为有效的绝对 HTTP(S) URL func ValidateAbsoluteHTTPURL(raw string) error { raw = strings.TrimSpace(raw) if raw == "" { return fmt.Errorf("empty url") } u, err := url.Parse(raw) if err != nil { return err } if !u.IsAbs() { return fmt.Errorf("must be absolute") } if !isHTTPScheme(u.Scheme) { return fmt.Errorf("unsupported scheme: %s", u.Scheme) } if strings.TrimSpace(u.Host) == "" { return fmt.Errorf("missing host") } if u.Fragment != "" { return fmt.Errorf("must not include fragment") } return nil } // ValidateFrontendRedirectURL 验证前端重定向 URL（可以是绝对 URL 或相对路径） func ValidateFrontendRedirectURL(raw string) error { raw = strings.TrimSpace(raw) if raw == "" { return fmt.Errorf("empty url") } if strings.ContainsAny(raw, "\r\n") { return fmt.Errorf("contains invalid characters") } if strings.HasPrefix(raw, "/") { if strings.HasPrefix(raw, "//") { return fmt.Errorf("must not start with //") } return nil } u, err := url.Parse(raw) if err != nil { return err } if !u.IsAbs() { return fmt.Errorf("must be absolute http(s) url or relative path") } if !isHTTPScheme(u.Scheme) { return fmt.Errorf("unsupported scheme: %s", u.Scheme) } if strings.TrimSpace(u.Host) == "" { return fmt.Errorf("missing host") } if u.Fragment != "" { return fmt.Errorf("must not include fragment") } return nil } // isHTTPScheme 检查是否为 HTTP 或 HTTPS 协议 func isHTTPScheme(scheme string) bool { return strings.EqualFold(scheme, "http") || strings.EqualFold(scheme, "https") } func warnIfInsecureURL(field, raw string) { u, err := url.Parse(strings.TrimSpace(raw)) if err != nil { return } if strings.EqualFold(u.Scheme, "http") { log.Printf("Warning: %s uses http scheme; use https in production to avoid token leakage.", field) } }