diff --git a/.env.example b/.env.example index e03bafae7..d8988060b 100644 --- a/.env.example +++ b/.env.example @@ -8,11 +8,10 @@ LLM_BASE_URL="https://api.vectorengine.cn/v1" # but it should not be relied on by browser code. LLM_API_KEY="" -# Temporary server-private AGC Router fallback until Router provisioning exists. -# Never expose this value to AGC clients or browser code. -GENARRATIVE_AGC_ROUTER_FALLBACK_API_KEY="" -GENARRATIVE_AGC_ROUTER_FALLBACK_API_KEY_FILE="" -GENARRATIVE_AGC_ROUTER_FALLBACK_ACCOUNT_ID="server-fallback" +# Router account provisioning secret (server-side only). Prefer the protected +# file form in production; never expose either value to clients or commit it. +GENARRATIVE_LLM_ROUTER_PROVISIONING_SECRET="" +GENARRATIVE_LLM_ROUTER_PROVISIONING_SECRET_FILE="" # Optional frontend override for the local proxy path. VITE_LLM_PROXY_BASE_URL="/api/llm" diff --git a/apps/ai-game-creator-shell/src-tauri/src/config.rs b/apps/ai-game-creator-shell/src-tauri/src/config.rs index fdec6a901..86f74f3e7 100644 --- a/apps/ai-game-creator-shell/src-tauri/src/config.rs +++ b/apps/ai-game-creator-shell/src-tauri/src/config.rs @@ -3374,11 +3374,10 @@ pub(crate) fn scrub_locked_game_creator_config_file(config: &mut GameCreatorAppC } pub(crate) fn migrate_legacy_game_creator_agent_mode(path: &Path) -> Result<(), String> { - if !path.is_file() { + if !validate_game_creator_config_file_entry(path)? { return Ok(()); } - let content = std::fs::read_to_string(path) - .map_err(|error| format!("读取客户端配置失败:{}: {error}", path.display()))?; + let content = read_game_creator_private_file_to_string(path, "客户端配置文件", 256 * 1024)?; let mut config = serde_json::from_str::(&content) .map_err(|error| format!("解析客户端配置失败:{}: {error}", path.display()))?; let mut changed = false; diff --git a/apps/ai-game-creator-shell/src-tauri/src/tests/provider.rs b/apps/ai-game-creator-shell/src-tauri/src/tests/provider.rs index 265c01415..6175d5e76 100644 --- a/apps/ai-game-creator-shell/src-tauri/src/tests/provider.rs +++ b/apps/ai-game-creator-shell/src-tauri/src/tests/provider.rs @@ -519,6 +519,7 @@ async fn chat_with_game_creator_role_agent_stream_falls_back_once_before_first_d "baseUrl": {base_url:?}, "model": "art-chat-model", "apiKind": "openai_chat", + "webSearchEnabled": false, "maxRetries": 0 }} }} diff --git a/deploy/env/api-server.env.example b/deploy/env/api-server.env.example index 8517ca561..dd543cd4f 100644 --- a/deploy/env/api-server.env.example +++ b/deploy/env/api-server.env.example @@ -84,6 +84,7 @@ GENARRATIVE_LLM_API_KEY= GENARRATIVE_LLM_MODEL=gpt-5.4-mini # LLM Router 正式账号链路:production 固定使用官方地址/模型;管理员 Token 只读受保护文件。 GENARRATIVE_LLM_ROUTER_BASE_URL=https://router.genarrative.world/v1 +GENARRATIVE_LLM_ROUTER_PROVISIONING_SECRET_FILE=/etc/genarrative/secrets/llm-router-provisioning.secret GENARRATIVE_LLM_ROUTER_API_KEY_ENCRYPTION_SECRET_FILE=/etc/genarrative/secrets/llm-router-api-key-encryption.secret GENARRATIVE_LLM_ROUTER_ADMIN_TOKEN_FILE=/etc/genarrative/secrets/llm-router-admin.token VECTOR_ENGINE_BASE_URL=https://api.vectorengine.cn diff --git a/docs/【后端架构】server-rs与SpacetimeDB数据契约-2026-05-15.md b/docs/【后端架构】server-rs与SpacetimeDB数据契约-2026-05-15.md index 41662101e..d081c6249 100644 --- a/docs/【后端架构】server-rs与SpacetimeDB数据契约-2026-05-15.md +++ b/docs/【后端架构】server-rs与SpacetimeDB数据契约-2026-05-15.md @@ -1373,3 +1373,4 @@ RPG 创作入口的配置 ID 是 `rpg`,当前 `visible=true`、`open=true`; - 源码:`server-rs/crates/spacetime-module/src/visual_novel.rs` - 说明:视觉小说公开 source 投影,只暴露 `publication_status = published` 的作品卡片字段,不把完整 `draft` 暴露给公开列表订阅;统一公开列表 / 详情主路径通过 `public_work_gallery_entry` / `public_work_detail_entry` 消费该 view 并映射成跨玩法契约。个人历史、详情、运行态和发布仍按原有 procedure / reducer 路径处理。 - 字段变更:`visible` 控制是否进入公开列表 / 详情,新作品默认 `false`;旧迁移数据由 `migration.rs` 按历史公开默认补 `true`。 +> 2026-09-03 修订:认证成功后的 Router provisioning 改为异步尽力修复,不再阻塞主站登录;LLM 热路径只读取本地已完成的账号密钥,控制面不可用时请求失败关闭。provisioning secret 仅从部署侧受保护环境变量或 secret file 读取,不再内置源码常量。 diff --git a/docs/【后端架构】外部OpenAPI与APIKey接入方案-2026-06-19.md b/docs/【后端架构】外部OpenAPI与APIKey接入方案-2026-06-19.md index d67715fc0..586d46abb 100644 --- a/docs/【后端架构】外部OpenAPI与APIKey接入方案-2026-06-19.md +++ b/docs/【后端架构】外部OpenAPI与APIKey接入方案-2026-06-19.md @@ -215,7 +215,7 @@ SpacetimeDB procedure: ### LLM Router 账号 Key 与 Router 代理 -普通 AGC 发行版不把 Router 当作客户端可配置 Provider,也不把 Router API Key 下发到桌面端。注册成功视为账号已有可用余额;每次密码、手机号或微信认证成功后,api-server 都必须幂等准备该用户对应的 Router 账号和 API Key,只有准备成功后才发放登录会话,正式记录使用 `purpose=llm-router` 并保存服务端加密凭据。当前按 New API 管理接口执行正式 provisioning:由于 `username`、`password`、`display_name` 均限制 20 个字符,用户名固定为 `agc_user_` 加 11 位 URL-safe SHA-256 短码,密码为基于完整 owner `user_id` 与固定版本 provisioning secret 稳定派生的 20 位 hex,展示名与短用户名一致;完整 owner `user_id` 写入 New API 用户 `remark`,本地 `llm_router_account.owner_user_id` 仍是平台权威映射。服务端先查询远端用户:已存在则直接登录,不重复注册;确认不存在时才由管理员创建普通用户,查询用户 ID,设置 `remark=<完整 owner user_id>` 与用户分组 `taonier`,再登录、查询并复用固定标识 `agc_auto_generate` 的 Token(Token/API Key 固定使用 `default` 分组;已有固定 Token 若分组不是 `default`,登录恢复时先通过 Token 更新接口纠正),签发 API Key。每次新建或准备 API Key 时,服务端在签发前查询该 Router 用户的固定套餐 `plan_id=1`;无 active 订阅、订阅已过期或剩余时间不超过 24 小时时调用管理员订阅接口新建一条订阅,剩余超过 24 小时则复用现有订阅。订阅查询/创建只使用 api-server 私有管理员 Token,不进入客户端或 Router Key;检查锚点是账号认证成功、显式 Router Key 准备接口和新 Key provisioning,不放在 Responses 流式 chunk 中。由于 Router 公共而各部署数据库独立,所有能操作同一 Router 的部署必须使用相同的 provisioning secret。若任一步外部结果不确定,记录进入 reconciliation 状态,禁止重复注册;本地 API Key 写入失败则保留 `key_issued` 状态并用确定的 key id 重试落库。Router 密文加密优先使用 `GENARRATIVE_LLM_ROUTER_API_KEY_ENCRYPTION_SECRET`;缺省时使用带域分离的 `GENARRATIVE_JWT_SECRET` 派生密钥。Router Key 的明文只在 api-server 进程内短暂存在,`/api/profile/api-keys/llm-router` 只返回安全元数据;普通 External Editor Key 仍沿用创建接口明文只显示一次的正式链路。后续请求链路固定为: +普通 AGC 发行版不把 Router 当作客户端可配置 Provider,也不把 Router API Key 下发到桌面端。注册成功视为账号已有可用余额;认证成功后,api-server 异步尽力准备该用户对应的 Router 账号和 API Key,Router 控制面故障不得阻塞主站登录;LLM 请求解析阶段仍要求本地存在合法的已完成 provisioning 凭据,正式记录使用 `purpose=llm-router` 并保存服务端加密凭据。当前按 New API 管理接口执行正式 provisioning:由于 `username`、`password`、`display_name` 均限制 20 个字符,用户名固定为 `agc_user_` 加 11 位 URL-safe SHA-256 短码,密码为基于完整 owner `user_id` 与部署侧受保护 provisioning secret 稳定派生的 20 位 hex,展示名与短用户名一致;完整 owner `user_id` 写入 New API 用户 `remark`,本地 `llm_router_account.owner_user_id` 仍是平台权威映射。服务端先查询远端用户:已存在则直接登录,不重复注册;确认不存在时才由管理员创建普通用户,查询用户 ID,设置 `remark=<完整 owner user_id>` 与用户分组 `taonier`,再登录、查询并复用固定标识 `agc_auto_generate` 的 Token(Token/API Key 固定使用 `default` 分组;已有固定 Token 若分组不是 `default`,登录恢复时先通过 Token 更新接口纠正),签发 API Key。每次新建或准备 API Key 时,服务端在签发前查询该 Router 用户的固定套餐 `plan_id=1`;无 active 订阅、订阅已过期或剩余时间不超过 24 小时时调用管理员订阅接口新建一条订阅,剩余超过 24 小时则复用现有订阅。订阅查询/创建只使用 api-server 私有管理员 Token,不进入客户端或 Router Key;检查锚点是显式 Router Key 准备接口和新 Key provisioning,不放在 Responses 流式 chunk 中。由于 Router 公共而各部署数据库独立,所有能操作同一 Router 的部署必须使用相同的 provisioning secret。若任一步外部结果不确定,记录进入 reconciliation 状态,禁止重复注册;本地 API Key 写入失败则保留 `key_issued` 状态并用确定的 key id 重试落库。Router 密文加密优先使用 `GENARRATIVE_LLM_ROUTER_API_KEY_ENCRYPTION_SECRET`;缺省时使用带域分离的 `GENARRATIVE_JWT_SECRET` 派生密钥。Router Key 的明文只在 api-server 进程内短暂存在,`/api/profile/api-keys/llm-router` 只返回安全元数据;普通 External Editor Key 仍沿用创建接口明文只显示一次的正式链路。后续请求链路固定为: ```text AGC loopback Provider Proxy(Bearer=平台 access token) @@ -224,7 +224,7 @@ AGC loopback Provider Proxy(Bearer=平台 access token) -> POST https://router.genarrative.world/v1/responses(Bearer=) ``` -`/api/llm/responses` 强制覆盖 `model=gpt-5.6-sol`,透传 Responses JSON/SSE 响应;Router 成功返回后按 usage 以临时规则“每开始 1000 token 扣 1 泥点、至少 1 点”写入钱包流水,ledger id 由幂等键(缺省为请求 ID)稳定派生,Router 失败不扣费。Router 明确返回 `401/403` 时,服务端将该用途 Key 标记撤销;网络超时或 provisioning 未取得确定响应时不自动重试。客户端不保存 Router Key,也不把它放进 argv、环境变量、manifest、trace、聊天或普通 IPC。AGC 的运行状态接口与 `/llm-status`、`/llm-routes` 只返回登录/账号凭据状态、官方路由锁定状态和运行参数,不返回 Router 地址、模型、协议名称或任何凭据字段。 +`/api/llm/responses` 强制覆盖 `model=gpt-5.6-sol`,透传 Responses JSON/SSE 响应;Router 成功返回后按 usage 以临时规则“每开始 10,000 token 扣 1 泥点、至少 1 点”写入钱包流水,ledger id 由端点、客户端幂等键和请求指纹稳定派生,Router 失败不扣费。Router 明确返回 `401/403` 时,服务端将该用途 Key 标记撤销;网络超时或 provisioning 未取得确定响应时不自动重试。客户端不保存 Router Key,也不把它放进 argv、环境变量、manifest、trace、聊天或普通 IPC。AGC 的运行状态接口与 `/llm-status`、`/llm-routes` 只返回登录/账号凭据状态、官方路由锁定状态和运行参数,不返回 Router 地址、模型、协议名称或任何凭据字段。 Windows 私有路径由同一套正式准备入口复用:AGC 自有 AppData、凭据目录和 `.agent` 运行态使用 managed 范围;原生文件选择器明确选中的项目根/文件使用 user-selected 范围。两类入口在发现 owner/DACL 权限不足时均允许一次性 UAC helper;helper 只接管严格复核后的普通文件/目录,并写入当前 TokenUser owner、禁止继承且仅含当前用户 ACE 的 DACL。reparse/symlink、非普通对象、祖先类型冲突和未经过正式选择/项目根入口的路径仍失败关闭。 @@ -291,3 +291,4 @@ docs/openapi/genarrative-external-v1.openapi.json - 外部项目接口覆盖当前已有项目管理操作:项目列表、最近项目、创建、读取、重命名、删除和默认画布保存。 - 外部素材生成接口覆盖当前已有编辑器素材操作:生图、重绘 / 调整、规范图生成、宣发素材生成、图标素材生成与拆分、UI 设计图生成与拆分、角色动画、视频、音效和背景音乐。 - 修改 SpacetimeDB schema 后运行 `npm run spacetime:generate` 与 `npm run check:spacetime-schema`。 +> 2026-09-03 修订:认证成功后的 Router provisioning 改为异步尽力修复,不再阻塞主站登录;LLM 请求只使用本地已完成的账号密钥。LLM Router 计费按每开始 10,000 token 至少 1 点结算,客户端幂等键同时绑定端点与规范化请求指纹,禁止跨请求复用账本。账号密码派生根仅从部署侧受保护 secret/file 读取。 diff --git a/server-rs/crates/api-server/src/config.rs b/server-rs/crates/api-server/src/config.rs index e6cd3c7eb..39da78b47 100644 --- a/server-rs/crates/api-server/src/config.rs +++ b/server-rs/crates/api-server/src/config.rs @@ -186,6 +186,8 @@ pub struct AppConfig { /// LLM Router 账号级代理固定配置;普通客户端不能覆盖这些值。 pub llm_router_base_url: String, pub llm_router_model: String, + /// Router 用户密码派生根,仅从部署侧 secret/env/file 读取。 + pub llm_router_provisioning_secret: Option, pub llm_router_api_key_encryption_secret: Option, pub llm_router_admin_token: Option, pub dashscope_base_url: String, @@ -492,6 +494,7 @@ impl Default for AppConfig { llm_retry_backoff_ms: DEFAULT_RETRY_BACKOFF_MS, llm_router_base_url: OFFICIAL_LLM_ROUTER_BASE_URL.to_string(), llm_router_model: OFFICIAL_LLM_ROUTER_MODEL.to_string(), + llm_router_provisioning_secret: None, llm_router_api_key_encryption_secret: None, llm_router_admin_token: None, dashscope_base_url: "https://dashscope.aliyuncs.com/api/v1".to_string(), @@ -1209,6 +1212,10 @@ impl AppConfig { config.llm_retry_backoff_ms = llm_retry_backoff_ms; } + config.llm_router_provisioning_secret = read_secret_env_or_file( + &["GENARRATIVE_LLM_ROUTER_PROVISIONING_SECRET"], + &["GENARRATIVE_LLM_ROUTER_PROVISIONING_SECRET_FILE"], + ); config.llm_router_api_key_encryption_secret = read_secret_env_or_file( &["GENARRATIVE_LLM_ROUTER_API_KEY_ENCRYPTION_SECRET"], &["GENARRATIVE_LLM_ROUTER_API_KEY_ENCRYPTION_SECRET_FILE"], diff --git a/server-rs/crates/api-server/src/external_api_keys.rs b/server-rs/crates/api-server/src/external_api_keys.rs index a3c5492c5..bfba95732 100644 --- a/server-rs/crates/api-server/src/external_api_keys.rs +++ b/server-rs/crates/api-server/src/external_api_keys.rs @@ -56,11 +56,6 @@ const EXTERNAL_API_KEY_PURPOSE_EXTERNAL_EDITOR: &str = "external-editor"; const EXTERNAL_API_KEY_PURPOSE_LLM_ROUTER: &str = "llm-router"; const LLM_ROUTER_RECONCILIATION_ERROR_PREFIX: &str = "llm-router-reconciliation-required:"; const LLM_ROUTER_PROVISIONING_CREDENTIAL_VERSION: u32 = 1; -// 临时方案:公共 Router、各部署数据库独立时,所有能操作同一 Router 的部署必须 -// 使用同一派生根。后续迁移到部署密钥管理时先兼容该 v1 派生根;若更换 secret, -// 必须递增版本并完成账号迁移,不能静默造成已有账号密码漂移。 -const LLM_ROUTER_PROVISIONING_SECRET_V1: &[u8] = - b"Jq67uCuRN1fs1l08e9ayImp4Uzc4TAY1IaP0UmHz5qTM7pQnEgwzFYhF_SPmK1Bm"; type HmacSha256 = Hmac; @@ -347,7 +342,11 @@ pub(crate) async fn ensure_llm_router_account( // safely replaced with the current deterministic values. Unknown remote // outcomes with a known account id remain reconciliation-blocked above. let expected_username = router_username_for_owner(owner_user_id); - let expected_password = generate_router_account_password(owner_user_id)?; + let provisioning_secret = llm_router_provisioning_secret(state)?; + let expected_password = generate_router_account_password_with_secret( + owner_user_id, + provisioning_secret.as_bytes(), + )?; let stale_pending_credentials = persisted.as_ref().is_some_and(|account| { account.router_account_id.is_none() && bundle.as_ref().is_some_and(|value| { @@ -1066,11 +1065,10 @@ fn router_user_id_from_record(record: &ExternalApiKeyRecord) -> Option { }) } -/// Runs the idempotent Router-account preparation after every successful -/// authentication. Callers must complete this step before issuing a session -/// token, so a successfully authenticated user always has a persisted -/// `llm-router` account key. This is the mandatory account provisioning step -/// for authenticated users. +/// Starts best-effort Router-account preparation after successful +/// authentication. Router control-plane availability must not gate the main +/// site session; the LLM hot path validates the locally persisted credential +/// when a request is actually made. pub(crate) async fn ensure_llm_router_account_after_auth_success( state: &AppState, _request_context: &RequestContext, @@ -1084,9 +1082,33 @@ pub(crate) async fn ensure_llm_router_account_after_auth_success( return Ok(()); } - ensure_llm_router_account(state, owner_user_id) - .await - .map(|_| ()) + #[cfg(test)] + { + if let Err(error) = ensure_llm_router_account(state, owner_user_id).await { + tracing::warn!( + user_id = %owner_user_id, + error = %error, + "测试环境登录后 LLM Router 账号准备失败;已允许主站登录" + ); + } + return Ok(()); + } + + #[cfg(not(test))] + { + let state = state.clone(); + let owner_user_id = owner_user_id.to_string(); + tokio::spawn(async move { + if let Err(error) = ensure_llm_router_account(&state, owner_user_id.as_str()).await { + tracing::warn!( + user_id = %owner_user_id, + error = %error, + "登录后 LLM Router 账号准备失败;已允许主站登录,后续 LLM 请求将按需失败关闭" + ); + } + }); + Ok(()) + } } /// Reads an already-provisioned Router credential without contacting the @@ -1327,7 +1349,10 @@ async fn provision_router_account_via_new_api( .or_else(|| pending_login.map(|login| (login.username.clone(), login.password.clone()))) .unwrap_or(( router_username_for_owner(owner_user_id), - generate_router_account_password(owner_user_id)?, + generate_router_account_password_with_secret( + owner_user_id, + llm_router_provisioning_secret(state)?.as_bytes(), + )?, )); let admin_token = state .config @@ -1951,13 +1976,47 @@ fn router_username_for_owner(owner_user_id: &str) -> String { format!("agc_user_{short_code}") } +fn llm_router_provisioning_secret(state: &AppState) -> Result { + if let Some(secret) = state + .config + .llm_router_provisioning_secret + .as_deref() + .map(str::trim) + .filter(|value| !value.is_empty()) + { + return Ok(secret.to_string()); + } + #[cfg(test)] + { + return Ok("test-only-router-provisioning-secret".to_string()); + } + #[cfg(not(test))] + { + Err("LLM Router 账号密码派生密钥未配置".to_string()) + } +} + +#[cfg(test)] fn generate_router_account_password(owner_user_id: &str) -> Result { + generate_router_account_password_with_secret( + owner_user_id, + b"test-only-router-provisioning-secret", + ) +} + +fn generate_router_account_password_with_secret( + owner_user_id: &str, + provisioning_secret: &[u8], +) -> Result { let owner_user_id = owner_user_id.trim(); if owner_user_id.is_empty() { return Err("LLM Router 账号密码派生参数缺失".to_string()); } - let mut signer = HmacSha256::new_from_slice(LLM_ROUTER_PROVISIONING_SECRET_V1) + if provisioning_secret.is_empty() { + return Err("LLM Router 账号密码派生密钥未配置".to_string()); + } + let mut signer = HmacSha256::new_from_slice(provisioning_secret) .map_err(|_| "LLM Router 账号密码派生密钥无效".to_string())?; signer.update( format!( diff --git a/server-rs/crates/api-server/src/llm/mod.rs b/server-rs/crates/api-server/src/llm/mod.rs index a762c5a0a..07c357f26 100644 --- a/server-rs/crates/api-server/src/llm/mod.rs +++ b/server-rs/crates/api-server/src/llm/mod.rs @@ -82,6 +82,7 @@ pub async fn proxy_llm_chat_completions( }; let api_kind = LlmApiKind::OpenAiResponses; + let request_fingerprint = serde_json::to_vec(&payload).unwrap_or_default(); let request = LlmRunRequest { model: None, api_kind, @@ -100,7 +101,12 @@ pub async fn proxy_llm_chat_completions( }; if payload.stream { - let billing_key = request_idempotency_key(&headers, request_context.request_id()); + let billing_key = request_billing_key( + &headers, + request_context.request_id(), + "chat-completions", + request_fingerprint.as_slice(), + ); return Ok(stream_llm_chat_completions( llm_client.clone(), request, @@ -132,7 +138,12 @@ pub async fn proxy_llm_chat_completions( &state, authenticated.claims().user_id(), request_context.request_id(), - request_idempotency_key(&headers, request_context.request_id()), + request_billing_key( + &headers, + request_context.request_id(), + "chat-completions", + request_fingerprint.as_slice(), + ), response.usage.as_ref(), ) .await @@ -239,7 +250,7 @@ pub async fn proxy_llm_responses( let client = reqwest::Client::builder() .connect_timeout(std::time::Duration::from_secs(15)) - .timeout(std::time::Duration::from_secs(120)) + .read_timeout(std::time::Duration::from_secs(180)) .redirect(reqwest::redirect::Policy::none()) .build() .map_err(|error| { @@ -294,7 +305,13 @@ pub async fn proxy_llm_responses( } } let upstream_headers = upstream.headers().clone(); - let billing_key = request_idempotency_key(&headers, request_context.request_id()); + let request_fingerprint = serde_json::to_vec(&payload).unwrap_or_default(); + let billing_key = request_billing_key( + &headers, + request_context.request_id(), + "responses", + request_fingerprint.as_slice(), + ); let is_stream = payload .get("stream") .and_then(Value::as_bool) @@ -462,15 +479,33 @@ fn insufficient_mud_points_error() -> AppError { })) } -fn request_idempotency_key(headers: &HeaderMap, fallback: &str) -> String { - headers +fn request_billing_key( + headers: &HeaderMap, + fallback: &str, + endpoint: &str, + request_bytes: &[u8], +) -> String { + let client_key = headers .get("idempotency-key") .or_else(|| headers.get("x-idempotency-key")) .and_then(|value| value.to_str().ok()) .map(str::trim) - .filter(|value| !value.is_empty()) - .unwrap_or(fallback) - .to_string() + .filter(|value| { + !value.is_empty() + && value.len() <= 256 + && value.bytes().all(|byte| (0x21..=0x7e).contains(&byte)) + }); + let Some(client_key) = client_key else { + return fallback.to_string(); + }; + let mut hasher = Sha256::new(); + hasher.update(b"llm-router-billing-key:v2\n"); + hasher.update(endpoint.as_bytes()); + hasher.update(b"\n"); + hasher.update(client_key.as_bytes()); + hasher.update(b"\n"); + hasher.update(request_bytes); + hex::encode(hasher.finalize()) } fn llm_router_ledger_id(owner_user_id: &str, idempotency_key: &str) -> String { @@ -678,6 +713,7 @@ fn stream_responses_with_billing( ) -> impl futures_util::Stream> { async_stream::stream! { let mut pending = String::new(); + let mut utf8_pending = Vec::new(); let mut usage = None; let mut terminal_event = None; let mut completed_seen = false; @@ -688,7 +724,7 @@ fn stream_responses_with_billing( while let Some(chunk) = upstream.next().await { match chunk { Ok(bytes) => { - pending.push_str(String::from_utf8_lossy(bytes.as_ref()).as_ref()); + append_utf8_chunk(&mut pending, &mut utf8_pending, bytes.as_ref()); pending = pending.replace("\r\n", "\n"); while let Some(separator) = pending.find("\n\n") { let raw_event = pending[..separator + 2].to_string(); @@ -700,6 +736,15 @@ fn stream_responses_with_billing( if is_responses_terminal_sse_event(&event) { completed_seen = true; terminal_event = Some(raw_event); + if billing_result.is_none() { + billing_result = Some(settle_llm_router_usage( + &state, + owner_user_id.as_str(), + request_id.as_str(), + idempotency_key.clone(), + usage.as_ref(), + ).await); + } continue; } if is_responses_done_sse_event(&event) { @@ -808,6 +853,32 @@ fn stream_responses_with_billing( } } +fn append_utf8_chunk(pending: &mut String, carry: &mut Vec, bytes: &[u8]) { + carry.extend_from_slice(bytes); + loop { + match std::str::from_utf8(carry.as_slice()) { + Ok(text) => { + pending.push_str(text); + carry.clear(); + break; + } + Err(error) => { + let valid = error.valid_up_to(); + if valid > 0 { + pending.push_str(std::str::from_utf8(&carry[..valid]).unwrap_or_default()); + carry.drain(..valid); + } + if let Some(error_len) = error.error_len() { + pending.push('\u{FFFD}'); + carry.drain(..error_len.min(carry.len())); + continue; + } + break; + } + } + } +} + fn is_responses_terminal_sse_event(event: &str) -> bool { if event.lines().any(|line| { line.strip_prefix("event:") @@ -1645,6 +1716,36 @@ mod tests { assert!(!first.contains("request-1")); } + #[test] + fn request_billing_key_binds_client_key_to_endpoint_and_payload() { + let mut headers = HeaderMap::new(); + headers.insert("idempotency-key", HeaderValue::from_static("fixed")); + let first = request_billing_key(&headers, "request-1", "responses", br#"{"input":"a"}"#); + let replay = request_billing_key(&headers, "request-2", "responses", br#"{"input":"a"}"#); + let different_payload = + request_billing_key(&headers, "request-3", "responses", br#"{"input":"b"}"#); + let different_endpoint = request_billing_key( + &headers, + "request-4", + "chat-completions", + br#"{"input":"a"}"#, + ); + assert_eq!(first, replay); + assert_ne!(first, different_payload); + assert_ne!(first, different_endpoint); + } + + #[test] + fn append_utf8_chunk_preserves_multibyte_characters_split_across_chunks() { + let mut text = String::new(); + let mut carry = Vec::new(); + append_utf8_chunk(&mut text, &mut carry, &[0xe4, 0xb8]); + assert_eq!(text, ""); + append_utf8_chunk(&mut text, &mut carry, &[0xad]); + assert_eq!(text, "中"); + assert!(carry.is_empty()); + } + fn spawn_mock_server(responses: Vec) -> String { let listener = TcpListener::bind("127.0.0.1:0").expect("listener should bind"); let address = listener.local_addr().expect("listener should have addr");