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Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）
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This commit is contained in:
李建琦
2026-08-21 18:30:13 +08:00
commit 6d655c9903
3584 changed files with 1270640 additions and 0 deletions
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backend/internal/service/api_key_auth_cache.go
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package service
import "time"
// APIKeyAuthSnapshot API Key 认证缓存快照（仅包含认证所需字段）
type APIKeyAuthSnapshot struct {
Version int `json:"version"`
APIKeyID int64 `json:"api_key_id"`
UserID int64 `json:"user_id"`
GroupID *int64 `json:"group_id,omitempty"`
Name string `json:"name"`
Status string `json:"status"`
IPWhitelist []string `json:"ip_whitelist,omitempty"`
IPBlacklist []string `json:"ip_blacklist,omitempty"`
User APIKeyAuthUserSnapshot `json:"user"`
Group *APIKeyAuthGroupSnapshot `json:"group,omitempty"`
// Quota fields for API Key independent quota feature
Quota float64 `json:"quota"` // Quota limit in USD (0 = unlimited)
QuotaUsed float64 `json:"quota_used"` // Used quota amount
// Expiration field for API Key expiration feature
ExpiresAt *time.Time `json:"expires_at,omitempty"` // Expiration time (nil = never expires)
// Rate limit configuration (only limits, not usage - usage read from Redis at check time)
RateLimit5h float64 `json:"rate_limit_5h"`
RateLimit1d float64 `json:"rate_limit_1d"`
RateLimit7d float64 `json:"rate_limit_7d"`
}
// APIKeyAuthUserSnapshot 用户快照
type APIKeyAuthUserSnapshot struct {
ID int64 `json:"id"`
Status string `json:"status"`
Role string `json:"role"`
Balance float64 `json:"balance"`
Concurrency int `json:"concurrency"`
AllowedGroups []int64 `json:"allowed_groups,omitempty"`
// Balance notification fields (required for CheckBalanceAfterDeduction)
Email string `json:"email"`
Username string `json:"username"`
BalanceNotifyEnabled bool `json:"balance_notify_enabled"`
BalanceNotifyThresholdType string `json:"balance_notify_threshold_type"`
BalanceNotifyThreshold *float64 `json:"balance_notify_threshold,omitempty"`
BalanceNotifyExtraEmails []NotifyEmailEntry `json:"balance_notify_extra_emails,omitempty"`
TotalRecharged float64 `json:"total_recharged"`
// RPMLimit 用户级每分钟请求数上限（0 = 不限制）；用于 billing_cache_service.checkRPM 兜底判断。
RPMLimit int `json:"rpm_limit"`
// UserGroupRPMOverride 该 API Key 对应的 (user, group) 专属 RPM 覆盖值。
// nil = 无 override（回退到 group/user 级）；0 = 不限流；>0 = 专属上限。
UserGroupRPMOverride *int `json:"user_group_rpm_override,omitempty"`
}
// APIKeyAuthGroupSnapshot 分组快照
type APIKeyAuthGroupSnapshot struct {
ID int64 `json:"id"`
Name string `json:"name"`
Platform string `json:"platform"`
IsExclusive bool `json:"is_exclusive"`
Status string `json:"status"`
SubscriptionType string `json:"subscription_type"`
RateMultiplier float64 `json:"rate_multiplier"`
DailyLimitUSD *float64 `json:"daily_limit_usd,omitempty"`
WeeklyLimitUSD *float64 `json:"weekly_limit_usd,omitempty"`
MonthlyLimitUSD *float64 `json:"monthly_limit_usd,omitempty"`
AllowImageGeneration bool `json:"allow_image_generation"`
AllowBatchImageGeneration bool `json:"allow_batch_image_generation"`
ImageRateIndependent bool `json:"image_rate_independent"`
ImageRateMultiplier float64 `json:"image_rate_multiplier"`
ImagePrice1K *float64 `json:"image_price_1k,omitempty"`
ImagePrice2K *float64 `json:"image_price_2k,omitempty"`
ImagePrice4K *float64 `json:"image_price_4k,omitempty"`
VideoRateIndependent bool `json:"video_rate_independent"`
VideoRateMultiplier float64 `json:"video_rate_multiplier"`
VideoPrice480P *float64 `json:"video_price_480p,omitempty"`
VideoPrice720P *float64 `json:"video_price_720p,omitempty"`
VideoPrice1080P *float64 `json:"video_price_1080p,omitempty"`
VideoModelPrices map[string]map[string]float64 `json:"video_model_prices,omitempty"`
WebSearchPricePerCall *float64 `json:"web_search_price_per_call,omitempty"`
SearchPricePer1k *float64 `json:"search_price_per_1k,omitempty"`
AudioRealtimePricePerMin *float64 `json:"audio_realtime_price_per_min,omitempty"`
AudioTTSPricePerMillionChars *float64 `json:"audio_tts_price_per_million_chars,omitempty"`
AudioSTTPricePerHour *float64 `json:"audio_stt_price_per_hour,omitempty"`
LongContextPricingEnabled bool `json:"long_context_pricing_enabled"`
ModelPricing []ChannelModelPricing `json:"model_pricing,omitempty"`
ClaudeCodeOnly bool `json:"claude_code_only"`
FallbackGroupID *int64 `json:"fallback_group_id,omitempty"`
FallbackGroupIDOnInvalidRequest *int64 `json:"fallback_group_id_on_invalid_request,omitempty"`
// Model routing is used by gateway account selection, so it must be part of auth cache snapshot.
// Only anthropic groups use these fields; others may leave them empty.
ModelRouting map[string][]int64 `json:"model_routing,omitempty"`
ModelRoutingEnabled bool `json:"model_routing_enabled"`
MCPXMLInject bool `json:"mcp_xml_inject"`
// 支持的模型系列（仅 antigravity 平台使用）
SupportedModelScopes []string `json:"supported_model_scopes,omitempty"`
// OpenAI Messages 调度配置（仅 openai 平台使用）
AllowMessagesDispatch bool `json:"allow_messages_dispatch"`
AllowLive bool `json:"allow_live"`
DefaultMappedModel string `json:"default_mapped_model,omitempty"`
MessagesDispatchModelConfig OpenAIMessagesDispatchModelConfig `json:"messages_dispatch_model_config,omitempty"`
ModelsListConfig GroupModelsListConfig `json:"models_list_config,omitempty"`
// RPMLimit 分组级每分钟请求数上限（0 = 不限制）；用于 billing_cache_service.checkRPM 级联判断。
RPMLimit int `json:"rpm_limit"`
// MaxReasoningEffort OpenAI/Codex 请求的推理强度上限，空字符串表示不限制。
MaxReasoningEffort string `json:"max_reasoning_effort,omitempty"`
// ReasoningEffortMappings rewrites explicit effort values before the ceiling.
ReasoningEffortMappings []ReasoningEffortMapping `json:"reasoning_effort_mappings"`
// 高峰时段倍率：PeakRateEnabled 为 true 且请求时刻处于 [PeakStart, PeakEnd) 时，
// token 计费倍率额外乘以 PeakRateMultiplier（详见 Group.PeakMultiplierAt）。
// 必须随快照缓存，否则扣费路径拿到的 apiKey.Group 缺字段、高峰倍率失效。
PeakRateEnabled bool `json:"peak_rate_enabled"`
PeakStart string `json:"peak_start"`
PeakEnd string `json:"peak_end"`
PeakRateMultiplier float64 `json:"peak_rate_multiplier"`
// 分组利润控制：调度准入门在直连热路径上读的就是这份快照——门解析
// （resolveOpenAIProfitControlGate / resolveProfitControlGroup）优先取
// 认证中间件放入 ctx 的 Group，而它正是本快照物化出来的对象，生产绝大
// 多数流量走的都是这条路；只有 composite/模型路由等被调度分组与认证分组
// 不一致时才回源 schedulerSnapshot。
// 因此这三个字段与 GetByKeyForAuth 的投影都不得删减：漏掉任何一个，
// 门会拿到零值 ProfitControlEnabled=false 而静默失效（有集成测试兜底）。
ProfitControlEnabled bool `json:"profit_control_enabled"`
ProfitMinMargin float64 `json:"profit_min_margin"`
ProfitSafetyBuffer float64 `json:"profit_safety_buffer"`
}
// APIKeyAuthCacheEntry 缓存条目，支持负缓存
type APIKeyAuthCacheEntry struct {
NotFound bool `json:"not_found"`
Snapshot *APIKeyAuthSnapshot `json:"snapshot,omitempty"`
}