mirror of
https://github.com/farion1231/cc-switch.git
synced 2026-04-29 06:04:29 +08:00
1443 lines
60 KiB
Rust
1443 lines
60 KiB
Rust
//! 请求转发器
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//!
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//! 负责将请求转发到上游Provider，支持故障转移
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use super::{
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body_filter::filter_private_params_with_whitelist,
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error::*,
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failover_switch::FailoverSwitchManager,
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log_codes::fwd as log_fwd,
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provider_router::ProviderRouter,
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providers::{get_adapter, AuthInfo, AuthStrategy, ProviderAdapter, ProviderType},
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thinking_budget_rectifier::{rectify_thinking_budget, should_rectify_thinking_budget},
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thinking_rectifier::{
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normalize_thinking_type, rectify_anthropic_request, should_rectify_thinking_signature,
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},
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types::{OptimizerConfig, ProxyStatus, RectifierConfig},
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ProxyError,
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};
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use crate::commands::CopilotAuthState;
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use crate::proxy::providers::copilot_auth::CopilotAuthManager;
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use crate::{app_config::AppType, provider::Provider};
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use reqwest::Response;
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use serde_json::Value;
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use std::sync::Arc;
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use tauri::Manager;
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use tokio::sync::RwLock;
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/// Headers 黑名单 - 不透传到上游的 Headers
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///
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/// 精简版黑名单，只过滤必须覆盖或可能导致问题的 header
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/// 参考成功透传的请求，保留更多原始 header
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///
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/// 注意：客户端 IP 类（x-forwarded-for, x-real-ip）默认透传
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const HEADER_BLACKLIST: &[&str] = &[
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// 认证类（会被覆盖）
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"authorization",
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"x-api-key",
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"x-goog-api-key",
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// 连接类（由 HTTP 客户端管理）
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"host",
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"content-length",
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"transfer-encoding",
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// 编码类（会被覆盖为 identity）
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"accept-encoding",
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// 代理转发类（保留 x-forwarded-for 和 x-real-ip）
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"x-forwarded-host",
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"x-forwarded-port",
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"x-forwarded-proto",
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"forwarded",
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// CDN/云服务商特定头
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"cf-connecting-ip",
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"cf-ipcountry",
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"cf-ray",
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"cf-visitor",
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"true-client-ip",
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"fastly-client-ip",
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"x-azure-clientip",
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"x-azure-fdid",
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"x-azure-ref",
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"akamai-origin-hop",
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"x-akamai-config-log-detail",
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// 请求追踪类
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"x-request-id",
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"x-correlation-id",
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"x-trace-id",
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"x-amzn-trace-id",
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"x-b3-traceid",
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"x-b3-spanid",
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"x-b3-parentspanid",
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"x-b3-sampled",
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"traceparent",
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"tracestate",
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// anthropic 特定头单独处理，避免重复
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"anthropic-beta",
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"anthropic-version",
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// 客户端 IP 单独处理（默认透传）
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"x-forwarded-for",
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"x-real-ip",
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];
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pub struct ForwardResult {
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pub response: Response,
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pub provider: Provider,
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}
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pub struct ForwardError {
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pub error: ProxyError,
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pub provider: Option<Provider>,
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}
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pub struct RequestForwarder {
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/// 共享的 ProviderRouter（持有熔断器状态）
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router: Arc<ProviderRouter>,
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status: Arc<RwLock<ProxyStatus>>,
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current_providers: Arc<RwLock<std::collections::HashMap<String, (String, String)>>>,
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/// 故障转移切换管理器
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failover_manager: Arc<FailoverSwitchManager>,
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/// AppHandle，用于发射事件和更新托盘
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app_handle: Option<tauri::AppHandle>,
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/// 请求开始时的"当前供应商 ID"（用于判断是否需要同步 UI/托盘）
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current_provider_id_at_start: String,
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/// 整流器配置
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rectifier_config: RectifierConfig,
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/// 优化器配置
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optimizer_config: OptimizerConfig,
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/// 非流式请求超时（秒）
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non_streaming_timeout: std::time::Duration,
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}
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impl RequestForwarder {
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#[allow(clippy::too_many_arguments)]
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pub fn new(
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router: Arc<ProviderRouter>,
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non_streaming_timeout: u64,
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status: Arc<RwLock<ProxyStatus>>,
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current_providers: Arc<RwLock<std::collections::HashMap<String, (String, String)>>>,
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failover_manager: Arc<FailoverSwitchManager>,
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app_handle: Option<tauri::AppHandle>,
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current_provider_id_at_start: String,
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_streaming_first_byte_timeout: u64,
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_streaming_idle_timeout: u64,
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rectifier_config: RectifierConfig,
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optimizer_config: OptimizerConfig,
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) -> Self {
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Self {
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router,
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status,
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current_providers,
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failover_manager,
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app_handle,
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current_provider_id_at_start,
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rectifier_config,
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optimizer_config,
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non_streaming_timeout: std::time::Duration::from_secs(non_streaming_timeout),
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}
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}
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/// 转发请求（带故障转移）
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///
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/// # Arguments
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/// * `app_type` - 应用类型
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/// * `endpoint` - API 端点
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/// * `body` - 请求体
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/// * `headers` - 请求头
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/// * `providers` - 已选择的 Provider 列表（由 RequestContext 提供，避免重复调用 select_providers）
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pub async fn forward_with_retry(
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&self,
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app_type: &AppType,
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endpoint: &str,
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body: Value,
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headers: axum::http::HeaderMap,
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providers: Vec<Provider>,
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) -> Result<ForwardResult, ForwardError> {
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// 获取适配器
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let adapter = get_adapter(app_type);
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let app_type_str = app_type.as_str();
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if providers.is_empty() {
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return Err(ForwardError {
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error: ProxyError::NoAvailableProvider,
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provider: None,
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});
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}
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let mut last_error = None;
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let mut last_provider = None;
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let mut attempted_providers = 0usize;
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// 整流器重试标记：确保整流最多触发一次
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let mut rectifier_retried = false;
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let mut budget_rectifier_retried = false;
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// 单 Provider 场景下跳过熔断器检查（故障转移关闭时）
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let bypass_circuit_breaker = providers.len() == 1;
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// 依次尝试每个供应商
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for provider in providers.iter() {
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// 发起请求前先获取熔断器放行许可（HalfOpen 会占用探测名额）
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// 单 Provider 场景下跳过此检查，避免熔断器阻塞所有请求
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let (allowed, used_half_open_permit) = if bypass_circuit_breaker {
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(true, false)
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} else {
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let permit = self
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.router
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.allow_provider_request(&provider.id, app_type_str)
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.await;
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(permit.allowed, permit.used_half_open_permit)
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};
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if !allowed {
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continue;
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}
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// PRE-SEND 优化器：每个 provider 独立决定是否优化
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// clone body 以避免 Bedrock 优化字段泄漏到非 Bedrock provider（failover 场景）
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let mut provider_body =
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if self.optimizer_config.enabled && is_bedrock_provider(provider) {
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let mut b = body.clone();
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if self.optimizer_config.thinking_optimizer {
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super::thinking_optimizer::optimize(&mut b, &self.optimizer_config);
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}
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if self.optimizer_config.cache_injection {
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super::cache_injector::inject(&mut b, &self.optimizer_config);
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}
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b
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} else {
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body.clone()
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};
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attempted_providers += 1;
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// 更新状态中的当前Provider信息
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{
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let mut status = self.status.write().await;
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status.current_provider = Some(provider.name.clone());
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status.current_provider_id = Some(provider.id.clone());
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status.total_requests += 1;
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status.last_request_at = Some(chrono::Utc::now().to_rfc3339());
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}
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// 转发请求（每个 Provider 只尝试一次，重试由客户端控制）
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match self
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.forward(
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provider,
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endpoint,
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&provider_body,
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&headers,
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adapter.as_ref(),
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)
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.await
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{
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Ok(response) => {
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// 成功：记录成功并更新熔断器
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let _ = self
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.router
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.record_result(
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&provider.id,
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app_type_str,
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used_half_open_permit,
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true,
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None,
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)
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.await;
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// 更新当前应用类型使用的 provider
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{
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let mut current_providers = self.current_providers.write().await;
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current_providers.insert(
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app_type_str.to_string(),
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(provider.id.clone(), provider.name.clone()),
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);
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}
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// 更新成功统计
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{
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let mut status = self.status.write().await;
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status.success_requests += 1;
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status.last_error = None;
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let should_switch =
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self.current_provider_id_at_start.as_str() != provider.id.as_str();
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if should_switch {
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status.failover_count += 1;
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// 异步触发供应商切换，更新 UI/托盘，并把“当前供应商”同步为实际使用的 provider
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let fm = self.failover_manager.clone();
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let ah = self.app_handle.clone();
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let pid = provider.id.clone();
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let pname = provider.name.clone();
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let at = app_type_str.to_string();
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tokio::spawn(async move {
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let _ = fm.try_switch(ah.as_ref(), &at, &pid, &pname).await;
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});
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}
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// 重新计算成功率
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if status.total_requests > 0 {
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status.success_rate = (status.success_requests as f32
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/ status.total_requests as f32)
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* 100.0;
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}
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}
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return Ok(ForwardResult {
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response,
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provider: provider.clone(),
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});
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}
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Err(e) => {
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// 检测是否需要触发整流器（仅 Claude/ClaudeAuth 供应商）
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let provider_type = ProviderType::from_app_type_and_config(app_type, provider);
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let is_anthropic_provider = matches!(
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provider_type,
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ProviderType::Claude | ProviderType::ClaudeAuth
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);
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let mut signature_rectifier_non_retryable_client_error = false;
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if is_anthropic_provider {
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let error_message = extract_error_message(&e);
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if should_rectify_thinking_signature(
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error_message.as_deref(),
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&self.rectifier_config,
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) {
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// 已经重试过：直接返回错误（不可重试客户端错误）
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if rectifier_retried {
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log::warn!("[{app_type_str}] [RECT-005] 整流器已触发过，不再重试");
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// 释放 HalfOpen permit（不记录熔断器，这是客户端兼容性问题）
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self.router
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.release_permit_neutral(
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&provider.id,
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app_type_str,
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used_half_open_permit,
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)
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.await;
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let mut status = self.status.write().await;
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status.failed_requests += 1;
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status.last_error = Some(e.to_string());
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if status.total_requests > 0 {
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status.success_rate = (status.success_requests as f32
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/ status.total_requests as f32)
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* 100.0;
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}
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return Err(ForwardError {
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error: e,
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provider: Some(provider.clone()),
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});
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}
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// 首次触发：整流请求体
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let rectified = rectify_anthropic_request(&mut provider_body);
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// 整流未生效：继续尝试 budget 整流路径，避免误判后短路
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if !rectified.applied {
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log::warn!(
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"[{app_type_str}] [RECT-006] thinking 签名整流器触发但无可整流内容，继续检查 budget；若 budget 也未命中则按客户端错误返回"
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);
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signature_rectifier_non_retryable_client_error = true;
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} else {
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log::info!(
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"[{}] [RECT-001] thinking 签名整流器触发, 移除 {} thinking blocks, {} redacted_thinking blocks, {} signature fields",
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app_type_str,
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rectified.removed_thinking_blocks,
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rectified.removed_redacted_thinking_blocks,
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rectified.removed_signature_fields
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);
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// 标记已重试（当前逻辑下重试后必定 return，保留标记以备将来扩展）
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let _ = std::mem::replace(&mut rectifier_retried, true);
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// 使用同一供应商重试（不计入熔断器）
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match self
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.forward(
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provider,
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endpoint,
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&provider_body,
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&headers,
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adapter.as_ref(),
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)
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.await
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{
|
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Ok(response) => {
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log::info!("[{app_type_str}] [RECT-002] 整流重试成功");
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// 记录成功
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let _ = self
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.router
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.record_result(
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&provider.id,
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app_type_str,
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used_half_open_permit,
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true,
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None,
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)
|
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.await;
|
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|
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// 更新当前应用类型使用的 provider
|
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{
|
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let mut current_providers =
|
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self.current_providers.write().await;
|
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current_providers.insert(
|
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app_type_str.to_string(),
|
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(provider.id.clone(), provider.name.clone()),
|
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);
|
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}
|
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|
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// 更新成功统计
|
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{
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let mut status = self.status.write().await;
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status.success_requests += 1;
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status.last_error = None;
|
||
let should_switch =
|
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self.current_provider_id_at_start.as_str()
|
||
!= provider.id.as_str();
|
||
if should_switch {
|
||
status.failover_count += 1;
|
||
|
||
// 异步触发供应商切换，更新 UI/托盘
|
||
let fm = self.failover_manager.clone();
|
||
let ah = self.app_handle.clone();
|
||
let pid = provider.id.clone();
|
||
let pname = provider.name.clone();
|
||
let at = app_type_str.to_string();
|
||
|
||
tokio::spawn(async move {
|
||
let _ = fm
|
||
.try_switch(ah.as_ref(), &at, &pid, &pname)
|
||
.await;
|
||
});
|
||
}
|
||
if status.total_requests > 0 {
|
||
status.success_rate = (status.success_requests
|
||
as f32
|
||
/ status.total_requests as f32)
|
||
* 100.0;
|
||
}
|
||
}
|
||
|
||
return Ok(ForwardResult {
|
||
response,
|
||
provider: provider.clone(),
|
||
});
|
||
}
|
||
Err(retry_err) => {
|
||
// 整流重试仍失败：区分错误类型决定是否记录熔断器
|
||
log::warn!(
|
||
"[{app_type_str}] [RECT-003] 整流重试仍失败: {retry_err}"
|
||
);
|
||
|
||
// 区分错误类型：Provider 问题记录失败，客户端问题仅释放 permit
|
||
let is_provider_error = match &retry_err {
|
||
ProxyError::Timeout(_)
|
||
| ProxyError::ForwardFailed(_) => true,
|
||
ProxyError::UpstreamError { status, .. } => {
|
||
*status >= 500
|
||
}
|
||
_ => false,
|
||
};
|
||
|
||
if is_provider_error {
|
||
// Provider 问题：记录失败到熔断器
|
||
let _ = self
|
||
.router
|
||
.record_result(
|
||
&provider.id,
|
||
app_type_str,
|
||
used_half_open_permit,
|
||
false,
|
||
Some(retry_err.to_string()),
|
||
)
|
||
.await;
|
||
} else {
|
||
// 客户端问题：仅释放 permit，不记录熔断器
|
||
self.router
|
||
.release_permit_neutral(
|
||
&provider.id,
|
||
app_type_str,
|
||
used_half_open_permit,
|
||
)
|
||
.await;
|
||
}
|
||
|
||
let mut status = self.status.write().await;
|
||
status.failed_requests += 1;
|
||
status.last_error = Some(retry_err.to_string());
|
||
if status.total_requests > 0 {
|
||
status.success_rate = (status.success_requests as f32
|
||
/ status.total_requests as f32)
|
||
* 100.0;
|
||
}
|
||
return Err(ForwardError {
|
||
error: retry_err,
|
||
provider: Some(provider.clone()),
|
||
});
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 检测是否需要触发 budget 整流器（仅 Claude/ClaudeAuth 供应商）
|
||
if is_anthropic_provider {
|
||
let error_message = extract_error_message(&e);
|
||
if should_rectify_thinking_budget(
|
||
error_message.as_deref(),
|
||
&self.rectifier_config,
|
||
) {
|
||
// 已经重试过：直接返回错误（不可重试客户端错误）
|
||
if budget_rectifier_retried {
|
||
log::warn!(
|
||
"[{app_type_str}] [RECT-013] budget 整流器已触发过，不再重试"
|
||
);
|
||
self.router
|
||
.release_permit_neutral(
|
||
&provider.id,
|
||
app_type_str,
|
||
used_half_open_permit,
|
||
)
|
||
.await;
|
||
let mut status = self.status.write().await;
|
||
status.failed_requests += 1;
|
||
status.last_error = Some(e.to_string());
|
||
if status.total_requests > 0 {
|
||
status.success_rate = (status.success_requests as f32
|
||
/ status.total_requests as f32)
|
||
* 100.0;
|
||
}
|
||
return Err(ForwardError {
|
||
error: e,
|
||
provider: Some(provider.clone()),
|
||
});
|
||
}
|
||
|
||
let budget_rectified = rectify_thinking_budget(&mut provider_body);
|
||
if !budget_rectified.applied {
|
||
log::warn!(
|
||
"[{app_type_str}] [RECT-014] budget 整流器触发但无可整流内容，不做无意义重试"
|
||
);
|
||
self.router
|
||
.release_permit_neutral(
|
||
&provider.id,
|
||
app_type_str,
|
||
used_half_open_permit,
|
||
)
|
||
.await;
|
||
let mut status = self.status.write().await;
|
||
status.failed_requests += 1;
|
||
status.last_error = Some(e.to_string());
|
||
if status.total_requests > 0 {
|
||
status.success_rate = (status.success_requests as f32
|
||
/ status.total_requests as f32)
|
||
* 100.0;
|
||
}
|
||
return Err(ForwardError {
|
||
error: e,
|
||
provider: Some(provider.clone()),
|
||
});
|
||
}
|
||
|
||
log::info!(
|
||
"[{}] [RECT-010] thinking budget 整流器触发, before={:?}, after={:?}",
|
||
app_type_str,
|
||
budget_rectified.before,
|
||
budget_rectified.after
|
||
);
|
||
|
||
let _ = std::mem::replace(&mut budget_rectifier_retried, true);
|
||
|
||
// 使用同一供应商重试（不计入熔断器）
|
||
match self
|
||
.forward(
|
||
provider,
|
||
endpoint,
|
||
&provider_body,
|
||
&headers,
|
||
adapter.as_ref(),
|
||
)
|
||
.await
|
||
{
|
||
Ok(response) => {
|
||
log::info!("[{app_type_str}] [RECT-011] budget 整流重试成功");
|
||
let _ = self
|
||
.router
|
||
.record_result(
|
||
&provider.id,
|
||
app_type_str,
|
||
used_half_open_permit,
|
||
true,
|
||
None,
|
||
)
|
||
.await;
|
||
|
||
{
|
||
let mut current_providers =
|
||
self.current_providers.write().await;
|
||
current_providers.insert(
|
||
app_type_str.to_string(),
|
||
(provider.id.clone(), provider.name.clone()),
|
||
);
|
||
}
|
||
|
||
{
|
||
let mut status = self.status.write().await;
|
||
status.success_requests += 1;
|
||
status.last_error = None;
|
||
let should_switch =
|
||
self.current_provider_id_at_start.as_str()
|
||
!= provider.id.as_str();
|
||
if should_switch {
|
||
status.failover_count += 1;
|
||
let fm = self.failover_manager.clone();
|
||
let ah = self.app_handle.clone();
|
||
let pid = provider.id.clone();
|
||
let pname = provider.name.clone();
|
||
let at = app_type_str.to_string();
|
||
tokio::spawn(async move {
|
||
let _ = fm
|
||
.try_switch(ah.as_ref(), &at, &pid, &pname)
|
||
.await;
|
||
});
|
||
}
|
||
if status.total_requests > 0 {
|
||
status.success_rate = (status.success_requests as f32
|
||
/ status.total_requests as f32)
|
||
* 100.0;
|
||
}
|
||
}
|
||
|
||
return Ok(ForwardResult {
|
||
response,
|
||
provider: provider.clone(),
|
||
});
|
||
}
|
||
Err(retry_err) => {
|
||
log::warn!(
|
||
"[{app_type_str}] [RECT-012] budget 整流重试仍失败: {retry_err}"
|
||
);
|
||
|
||
let is_provider_error = match &retry_err {
|
||
ProxyError::Timeout(_) | ProxyError::ForwardFailed(_) => {
|
||
true
|
||
}
|
||
ProxyError::UpstreamError { status, .. } => *status >= 500,
|
||
_ => false,
|
||
};
|
||
|
||
if is_provider_error {
|
||
let _ = self
|
||
.router
|
||
.record_result(
|
||
&provider.id,
|
||
app_type_str,
|
||
used_half_open_permit,
|
||
false,
|
||
Some(retry_err.to_string()),
|
||
)
|
||
.await;
|
||
} else {
|
||
self.router
|
||
.release_permit_neutral(
|
||
&provider.id,
|
||
app_type_str,
|
||
used_half_open_permit,
|
||
)
|
||
.await;
|
||
}
|
||
|
||
let mut status = self.status.write().await;
|
||
status.failed_requests += 1;
|
||
status.last_error = Some(retry_err.to_string());
|
||
if status.total_requests > 0 {
|
||
status.success_rate = (status.success_requests as f32
|
||
/ status.total_requests as f32)
|
||
* 100.0;
|
||
}
|
||
return Err(ForwardError {
|
||
error: retry_err,
|
||
provider: Some(provider.clone()),
|
||
});
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if signature_rectifier_non_retryable_client_error {
|
||
self.router
|
||
.release_permit_neutral(
|
||
&provider.id,
|
||
app_type_str,
|
||
used_half_open_permit,
|
||
)
|
||
.await;
|
||
let mut status = self.status.write().await;
|
||
status.failed_requests += 1;
|
||
status.last_error = Some(e.to_string());
|
||
if status.total_requests > 0 {
|
||
status.success_rate = (status.success_requests as f32
|
||
/ status.total_requests as f32)
|
||
* 100.0;
|
||
}
|
||
return Err(ForwardError {
|
||
error: e,
|
||
provider: Some(provider.clone()),
|
||
});
|
||
}
|
||
|
||
// 失败：记录失败并更新熔断器
|
||
let _ = self
|
||
.router
|
||
.record_result(
|
||
&provider.id,
|
||
app_type_str,
|
||
used_half_open_permit,
|
||
false,
|
||
Some(e.to_string()),
|
||
)
|
||
.await;
|
||
|
||
// 分类错误
|
||
let category = self.categorize_proxy_error(&e);
|
||
|
||
match category {
|
||
ErrorCategory::Retryable => {
|
||
// 可重试：更新错误信息，继续尝试下一个供应商
|
||
{
|
||
let mut status = self.status.write().await;
|
||
status.last_error =
|
||
Some(format!("Provider {} 失败: {}", provider.name, e));
|
||
}
|
||
|
||
let (log_code, log_message) = build_retryable_failure_log(
|
||
&provider.name,
|
||
attempted_providers,
|
||
providers.len(),
|
||
&e,
|
||
);
|
||
log::warn!("[{app_type_str}] [{log_code}] {log_message}");
|
||
|
||
last_error = Some(e);
|
||
last_provider = Some(provider.clone());
|
||
// 继续尝试下一个供应商
|
||
continue;
|
||
}
|
||
ErrorCategory::NonRetryable | ErrorCategory::ClientAbort => {
|
||
// 不可重试：直接返回错误
|
||
{
|
||
let mut status = self.status.write().await;
|
||
status.failed_requests += 1;
|
||
status.last_error = Some(e.to_string());
|
||
if status.total_requests > 0 {
|
||
status.success_rate = (status.success_requests as f32
|
||
/ status.total_requests as f32)
|
||
* 100.0;
|
||
}
|
||
}
|
||
return Err(ForwardError {
|
||
error: e,
|
||
provider: Some(provider.clone()),
|
||
});
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if attempted_providers == 0 {
|
||
// providers 列表非空，但全部被熔断器拒绝（典型：HalfOpen 探测名额被占用）
|
||
{
|
||
let mut status = self.status.write().await;
|
||
status.failed_requests += 1;
|
||
status.last_error = Some("所有供应商暂时不可用（熔断器限制）".to_string());
|
||
if status.total_requests > 0 {
|
||
status.success_rate =
|
||
(status.success_requests as f32 / status.total_requests as f32) * 100.0;
|
||
}
|
||
}
|
||
return Err(ForwardError {
|
||
error: ProxyError::NoAvailableProvider,
|
||
provider: None,
|
||
});
|
||
}
|
||
|
||
// 所有供应商都失败了
|
||
{
|
||
let mut status = self.status.write().await;
|
||
status.failed_requests += 1;
|
||
status.last_error = Some("所有供应商都失败".to_string());
|
||
if status.total_requests > 0 {
|
||
status.success_rate =
|
||
(status.success_requests as f32 / status.total_requests as f32) * 100.0;
|
||
}
|
||
}
|
||
|
||
if let Some((log_code, log_message)) =
|
||
build_terminal_failure_log(attempted_providers, providers.len(), last_error.as_ref())
|
||
{
|
||
log::warn!("[{app_type_str}] [{log_code}] {log_message}");
|
||
}
|
||
|
||
Err(ForwardError {
|
||
error: last_error.unwrap_or(ProxyError::MaxRetriesExceeded),
|
||
provider: last_provider,
|
||
})
|
||
}
|
||
|
||
/// 转发单个请求（使用适配器）
|
||
async fn forward(
|
||
&self,
|
||
provider: &Provider,
|
||
endpoint: &str,
|
||
body: &Value,
|
||
headers: &axum::http::HeaderMap,
|
||
adapter: &dyn ProviderAdapter,
|
||
) -> Result<Response, ProxyError> {
|
||
// 使用适配器提取 base_url
|
||
let base_url = adapter.extract_base_url(provider)?;
|
||
|
||
// 检查是否需要格式转换
|
||
let needs_transform = adapter.needs_transform(provider);
|
||
|
||
let is_full_url = provider
|
||
.meta
|
||
.as_ref()
|
||
.and_then(|meta| meta.is_full_url)
|
||
.unwrap_or(false);
|
||
|
||
// 确定有效端点
|
||
// GitHub Copilot API 使用 /chat/completions（无 /v1 前缀）
|
||
let is_copilot = provider
|
||
.meta
|
||
.as_ref()
|
||
.and_then(|m| m.provider_type.as_deref())
|
||
== Some("github_copilot")
|
||
|| base_url.contains("githubcopilot.com");
|
||
let (effective_endpoint, passthrough_query) =
|
||
if needs_transform && adapter.name() == "Claude" {
|
||
let api_format = super::providers::get_claude_api_format(provider);
|
||
rewrite_claude_transform_endpoint(endpoint, api_format, is_copilot)
|
||
} else {
|
||
(
|
||
endpoint.to_string(),
|
||
split_endpoint_and_query(endpoint)
|
||
.1
|
||
.map(ToString::to_string),
|
||
)
|
||
};
|
||
|
||
let url = if is_full_url {
|
||
append_query_to_full_url(&base_url, passthrough_query.as_deref())
|
||
} else {
|
||
adapter.build_url(&base_url, &effective_endpoint)
|
||
};
|
||
|
||
// 应用模型映射（独立于格式转换）
|
||
let (mapped_body, _original_model, _mapped_model) =
|
||
super::model_mapper::apply_model_mapping(body.clone(), provider);
|
||
|
||
// 与 CCH 对齐：请求前不做 thinking 主动改写（仅保留兼容入口）
|
||
let mapped_body = normalize_thinking_type(mapped_body);
|
||
|
||
// 转换请求体（如果需要）
|
||
let request_body = if needs_transform {
|
||
adapter.transform_request(mapped_body, provider)?
|
||
} else {
|
||
mapped_body
|
||
};
|
||
|
||
// 过滤私有参数（以 `_` 开头的字段），防止内部信息泄露到上游
|
||
// 默认使用空白名单，过滤所有 _ 前缀字段
|
||
let filtered_body = filter_private_params_with_whitelist(request_body, &[]);
|
||
|
||
// 获取 HTTP 客户端：优先使用供应商单独代理配置，否则使用全局客户端
|
||
let proxy_config = provider.meta.as_ref().and_then(|m| m.proxy_config.as_ref());
|
||
let client = super::http_client::get_for_provider(proxy_config);
|
||
let mut request = client.post(&url);
|
||
|
||
// 只有当 timeout > 0 时才设置请求超时
|
||
// Duration::ZERO 在 reqwest 中表示"立刻超时"而不是"禁用超时"
|
||
// 故障转移关闭时会传入 0，此时应该使用 client 的默认超时（600秒）
|
||
if !self.non_streaming_timeout.is_zero() {
|
||
request = request.timeout(self.non_streaming_timeout);
|
||
}
|
||
|
||
// 过滤黑名单 Headers，保护隐私并避免冲突
|
||
for (key, value) in headers {
|
||
let key_str = key.as_str();
|
||
if HEADER_BLACKLIST
|
||
.iter()
|
||
.any(|h| key_str.eq_ignore_ascii_case(h))
|
||
{
|
||
continue;
|
||
}
|
||
// Copilot 请求：过滤会由 add_auth_headers 注入的固定指纹头，
|
||
// 防止客户端原始头与注入头重复（reqwest header() 是追加语义）
|
||
if is_copilot
|
||
&& (key_str.eq_ignore_ascii_case("user-agent")
|
||
|| key_str.eq_ignore_ascii_case("editor-version")
|
||
|| key_str.eq_ignore_ascii_case("editor-plugin-version")
|
||
|| key_str.eq_ignore_ascii_case("copilot-integration-id")
|
||
|| key_str.eq_ignore_ascii_case("x-github-api-version")
|
||
|| key_str.eq_ignore_ascii_case("openai-intent"))
|
||
{
|
||
continue;
|
||
}
|
||
request = request.header(key, value);
|
||
}
|
||
|
||
// 处理 anthropic-beta Header（仅 Claude）
|
||
// 关键：确保包含 claude-code-20250219 标记，这是上游服务验证请求来源的依据
|
||
// 如果客户端发送的 beta 标记中没有包含 claude-code-20250219，需要补充
|
||
if adapter.name() == "Claude" {
|
||
const CLAUDE_CODE_BETA: &str = "claude-code-20250219";
|
||
let beta_value = if let Some(beta) = headers.get("anthropic-beta") {
|
||
if let Ok(beta_str) = beta.to_str() {
|
||
// 检查是否已包含 claude-code-20250219
|
||
if beta_str.contains(CLAUDE_CODE_BETA) {
|
||
beta_str.to_string()
|
||
} else {
|
||
// 补充 claude-code-20250219
|
||
format!("{CLAUDE_CODE_BETA},{beta_str}")
|
||
}
|
||
} else {
|
||
CLAUDE_CODE_BETA.to_string()
|
||
}
|
||
} else {
|
||
// 如果客户端没有发送，使用默认值
|
||
CLAUDE_CODE_BETA.to_string()
|
||
};
|
||
request = request.header("anthropic-beta", &beta_value);
|
||
}
|
||
|
||
// 客户端 IP 透传（默认开启）
|
||
if let Some(xff) = headers.get("x-forwarded-for") {
|
||
if let Ok(xff_str) = xff.to_str() {
|
||
request = request.header("x-forwarded-for", xff_str);
|
||
}
|
||
}
|
||
if let Some(real_ip) = headers.get("x-real-ip") {
|
||
if let Ok(real_ip_str) = real_ip.to_str() {
|
||
request = request.header("x-real-ip", real_ip_str);
|
||
}
|
||
}
|
||
|
||
// 流式请求保守禁用压缩，避免上游压缩 SSE 在连接中断时触发解压错误。
|
||
// 非流式请求不显式设置 Accept-Encoding，让 reqwest 自动协商压缩并透明解压。
|
||
if should_force_identity_encoding(&effective_endpoint, &filtered_body, headers) {
|
||
request = request.header("accept-encoding", "identity");
|
||
}
|
||
|
||
// 使用适配器添加认证头
|
||
if let Some(mut auth) = adapter.extract_auth(provider) {
|
||
// GitHub Copilot 特殊处理：从 CopilotAuthManager 获取真实 token
|
||
if auth.strategy == AuthStrategy::GitHubCopilot {
|
||
if let Some(app_handle) = &self.app_handle {
|
||
let copilot_state = app_handle.state::<CopilotAuthState>();
|
||
let copilot_auth: tokio::sync::RwLockReadGuard<'_, CopilotAuthManager> =
|
||
copilot_state.0.read().await;
|
||
|
||
// 从 provider.meta 获取关联的 GitHub 账号 ID（多账号支持）
|
||
let account_id = provider
|
||
.meta
|
||
.as_ref()
|
||
.and_then(|m| m.managed_account_id_for("github_copilot"));
|
||
|
||
// 根据账号 ID 获取对应 token（向后兼容：无账号 ID 时使用第一个账号）
|
||
let token_result = match &account_id {
|
||
Some(id) => {
|
||
log::debug!("[Copilot] 使用指定账号 {id} 获取 token");
|
||
copilot_auth.get_valid_token_for_account(id).await
|
||
}
|
||
None => {
|
||
log::debug!("[Copilot] 使用默认账号获取 token");
|
||
copilot_auth.get_valid_token().await
|
||
}
|
||
};
|
||
|
||
match token_result {
|
||
Ok(token) => {
|
||
auth = AuthInfo::new(token, AuthStrategy::GitHubCopilot);
|
||
log::debug!(
|
||
"[Copilot] 成功获取 Copilot token (account={})",
|
||
account_id.as_deref().unwrap_or("default")
|
||
);
|
||
}
|
||
Err(e) => {
|
||
log::error!(
|
||
"[Copilot] 获取 Copilot token 失败 (account={}): {e}",
|
||
account_id.as_deref().unwrap_or("default")
|
||
);
|
||
return Err(ProxyError::AuthError(format!(
|
||
"GitHub Copilot 认证失败: {e}"
|
||
)));
|
||
}
|
||
}
|
||
} else {
|
||
log::error!("[Copilot] AppHandle 不可用");
|
||
return Err(ProxyError::AuthError(
|
||
"GitHub Copilot 认证不可用（无 AppHandle）".to_string(),
|
||
));
|
||
}
|
||
}
|
||
request = adapter.add_auth_headers(request, &auth);
|
||
}
|
||
|
||
// anthropic-version 统一处理（仅 Claude）：优先使用客户端的版本号，否则使用默认值
|
||
// 注意：只设置一次，避免重复
|
||
if adapter.name() == "Claude" {
|
||
let version_str = headers
|
||
.get("anthropic-version")
|
||
.and_then(|v| v.to_str().ok())
|
||
.unwrap_or("2023-06-01");
|
||
request = request.header("anthropic-version", version_str);
|
||
}
|
||
|
||
// 输出请求信息日志
|
||
let tag = adapter.name();
|
||
let request_model = filtered_body
|
||
.get("model")
|
||
.and_then(|v| v.as_str())
|
||
.unwrap_or("<none>");
|
||
log::info!("[{tag}] >>> 请求 URL: {url} (model={request_model})");
|
||
if let Ok(body_str) = serde_json::to_string(&filtered_body) {
|
||
log::debug!(
|
||
"[{tag}] >>> 请求体内容 ({}字节): {}",
|
||
body_str.len(),
|
||
body_str
|
||
);
|
||
}
|
||
|
||
// 发送请求
|
||
let response = request.json(&filtered_body).send().await.map_err(|e| {
|
||
if e.is_timeout() {
|
||
ProxyError::Timeout(format!("请求超时: {e}"))
|
||
} else if e.is_connect() {
|
||
ProxyError::ForwardFailed(format!("连接失败: {e}"))
|
||
} else {
|
||
ProxyError::ForwardFailed(e.to_string())
|
||
}
|
||
})?;
|
||
|
||
// 检查响应状态
|
||
let status = response.status();
|
||
|
||
if status.is_success() {
|
||
Ok(response)
|
||
} else {
|
||
let status_code = status.as_u16();
|
||
let body_text = response.text().await.ok();
|
||
|
||
Err(ProxyError::UpstreamError {
|
||
status: status_code,
|
||
body: body_text,
|
||
})
|
||
}
|
||
}
|
||
|
||
fn categorize_proxy_error(&self, error: &ProxyError) -> ErrorCategory {
|
||
match error {
|
||
// 网络和上游错误：都应该尝试下一个供应商
|
||
ProxyError::Timeout(_) => ErrorCategory::Retryable,
|
||
ProxyError::ForwardFailed(_) => ErrorCategory::Retryable,
|
||
ProxyError::ProviderUnhealthy(_) => ErrorCategory::Retryable,
|
||
// 上游 HTTP 错误：无论状态码如何，都尝试下一个供应商
|
||
// 原因：不同供应商有不同的限制和认证，一个供应商的 4xx 错误
|
||
// 不代表其他供应商也会失败
|
||
ProxyError::UpstreamError { .. } => ErrorCategory::Retryable,
|
||
// Provider 级配置/转换问题：换一个 Provider 可能就能成功
|
||
ProxyError::ConfigError(_) => ErrorCategory::Retryable,
|
||
ProxyError::TransformError(_) => ErrorCategory::Retryable,
|
||
ProxyError::AuthError(_) => ErrorCategory::Retryable,
|
||
ProxyError::StreamIdleTimeout(_) => ErrorCategory::Retryable,
|
||
// 无可用供应商：所有供应商都试过了，无法重试
|
||
ProxyError::NoAvailableProvider => ErrorCategory::NonRetryable,
|
||
// 其他错误（数据库/内部错误等）：不是换供应商能解决的问题
|
||
_ => ErrorCategory::NonRetryable,
|
||
}
|
||
}
|
||
}
|
||
|
||
/// 从 ProxyError 中提取错误消息
|
||
fn extract_error_message(error: &ProxyError) -> Option<String> {
|
||
match error {
|
||
ProxyError::UpstreamError { body, .. } => body.clone(),
|
||
_ => Some(error.to_string()),
|
||
}
|
||
}
|
||
|
||
/// 检测 Provider 是否为 Bedrock（通过 CLAUDE_CODE_USE_BEDROCK 环境变量判断）
|
||
fn is_bedrock_provider(provider: &Provider) -> bool {
|
||
provider
|
||
.settings_config
|
||
.get("env")
|
||
.and_then(|e| e.get("CLAUDE_CODE_USE_BEDROCK"))
|
||
.and_then(|v| v.as_str())
|
||
.map(|v| v == "1")
|
||
.unwrap_or(false)
|
||
}
|
||
|
||
fn build_retryable_failure_log(
|
||
provider_name: &str,
|
||
attempted_providers: usize,
|
||
total_providers: usize,
|
||
error: &ProxyError,
|
||
) -> (&'static str, String) {
|
||
let error_summary = summarize_proxy_error(error);
|
||
|
||
if total_providers <= 1 {
|
||
(
|
||
log_fwd::SINGLE_PROVIDER_FAILED,
|
||
format!("Provider {provider_name} 请求失败: {error_summary}"),
|
||
)
|
||
} else {
|
||
(
|
||
log_fwd::PROVIDER_FAILED_RETRY,
|
||
format!(
|
||
"Provider {provider_name} 失败，继续尝试下一个 ({attempted_providers}/{total_providers}): {error_summary}"
|
||
),
|
||
)
|
||
}
|
||
}
|
||
|
||
fn build_terminal_failure_log(
|
||
attempted_providers: usize,
|
||
total_providers: usize,
|
||
last_error: Option<&ProxyError>,
|
||
) -> Option<(&'static str, String)> {
|
||
if total_providers <= 1 {
|
||
return None;
|
||
}
|
||
|
||
let error_summary = last_error
|
||
.map(summarize_proxy_error)
|
||
.unwrap_or_else(|| "未知错误".to_string());
|
||
|
||
Some((
|
||
log_fwd::ALL_PROVIDERS_FAILED,
|
||
format!(
|
||
"已尝试 {attempted_providers}/{total_providers} 个 Provider，均失败。最后错误: {error_summary}"
|
||
),
|
||
))
|
||
}
|
||
|
||
fn summarize_proxy_error(error: &ProxyError) -> String {
|
||
match error {
|
||
ProxyError::UpstreamError { status, body } => {
|
||
let body_summary = body
|
||
.as_deref()
|
||
.map(summarize_upstream_body)
|
||
.filter(|summary| !summary.is_empty());
|
||
|
||
match body_summary {
|
||
Some(summary) => format!("上游 HTTP {status}: {summary}"),
|
||
None => format!("上游 HTTP {status}"),
|
||
}
|
||
}
|
||
ProxyError::Timeout(message) => {
|
||
format!("请求超时: {}", summarize_text_for_log(message, 180))
|
||
}
|
||
ProxyError::ForwardFailed(message) => {
|
||
format!("请求转发失败: {}", summarize_text_for_log(message, 180))
|
||
}
|
||
ProxyError::TransformError(message) => {
|
||
format!("响应转换失败: {}", summarize_text_for_log(message, 180))
|
||
}
|
||
ProxyError::ConfigError(message) => {
|
||
format!("配置错误: {}", summarize_text_for_log(message, 180))
|
||
}
|
||
ProxyError::AuthError(message) => {
|
||
format!("认证失败: {}", summarize_text_for_log(message, 180))
|
||
}
|
||
_ => summarize_text_for_log(&error.to_string(), 180),
|
||
}
|
||
}
|
||
|
||
fn summarize_upstream_body(body: &str) -> String {
|
||
if let Ok(json_body) = serde_json::from_str::<Value>(body) {
|
||
if let Some(message) = extract_json_error_message(&json_body) {
|
||
return summarize_text_for_log(&message, 180);
|
||
}
|
||
|
||
if let Ok(compact_json) = serde_json::to_string(&json_body) {
|
||
return summarize_text_for_log(&compact_json, 180);
|
||
}
|
||
}
|
||
|
||
summarize_text_for_log(body, 180)
|
||
}
|
||
|
||
fn extract_json_error_message(body: &Value) -> Option<String> {
|
||
let candidates = [
|
||
body.pointer("/error/message"),
|
||
body.pointer("/message"),
|
||
body.pointer("/detail"),
|
||
body.pointer("/error"),
|
||
];
|
||
|
||
candidates
|
||
.into_iter()
|
||
.flatten()
|
||
.find_map(|value| value.as_str().map(ToString::to_string))
|
||
}
|
||
|
||
fn split_endpoint_and_query(endpoint: &str) -> (&str, Option<&str>) {
|
||
endpoint
|
||
.split_once('?')
|
||
.map_or((endpoint, None), |(path, query)| (path, Some(query)))
|
||
}
|
||
|
||
fn strip_beta_query(query: Option<&str>) -> Option<String> {
|
||
let filtered = query.map(|query| {
|
||
query
|
||
.split('&')
|
||
.filter(|pair| !pair.is_empty() && !pair.starts_with("beta="))
|
||
.collect::<Vec<_>>()
|
||
.join("&")
|
||
});
|
||
|
||
match filtered.as_deref() {
|
||
Some("") | None => None,
|
||
Some(_) => filtered,
|
||
}
|
||
}
|
||
|
||
fn is_claude_messages_path(path: &str) -> bool {
|
||
matches!(path, "/v1/messages" | "/claude/v1/messages")
|
||
}
|
||
|
||
fn rewrite_claude_transform_endpoint(
|
||
endpoint: &str,
|
||
api_format: &str,
|
||
is_copilot: bool,
|
||
) -> (String, Option<String>) {
|
||
let (path, query) = split_endpoint_and_query(endpoint);
|
||
let passthrough_query = if is_claude_messages_path(path) {
|
||
strip_beta_query(query)
|
||
} else {
|
||
query.map(ToString::to_string)
|
||
};
|
||
|
||
if !is_claude_messages_path(path) {
|
||
return (endpoint.to_string(), passthrough_query);
|
||
}
|
||
|
||
let target_path = if is_copilot {
|
||
"/chat/completions"
|
||
} else if api_format == "openai_responses" {
|
||
"/v1/responses"
|
||
} else {
|
||
"/v1/chat/completions"
|
||
};
|
||
|
||
let rewritten = match passthrough_query.as_deref() {
|
||
Some(query) if !query.is_empty() => format!("{target_path}?{query}"),
|
||
_ => target_path.to_string(),
|
||
};
|
||
|
||
(rewritten, passthrough_query)
|
||
}
|
||
|
||
fn append_query_to_full_url(base_url: &str, query: Option<&str>) -> String {
|
||
match query {
|
||
Some(query) if !query.is_empty() => {
|
||
if base_url.contains('?') {
|
||
format!("{base_url}&{query}")
|
||
} else {
|
||
format!("{base_url}?{query}")
|
||
}
|
||
}
|
||
_ => base_url.to_string(),
|
||
}
|
||
}
|
||
|
||
fn should_force_identity_encoding(
|
||
endpoint: &str,
|
||
body: &Value,
|
||
headers: &axum::http::HeaderMap,
|
||
) -> bool {
|
||
if body
|
||
.get("stream")
|
||
.and_then(|value| value.as_bool())
|
||
.unwrap_or(false)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
if endpoint.contains("streamGenerateContent") || endpoint.contains("alt=sse") {
|
||
return true;
|
||
}
|
||
|
||
headers
|
||
.get(axum::http::header::ACCEPT)
|
||
.and_then(|value| value.to_str().ok())
|
||
.map(|accept| accept.contains("text/event-stream"))
|
||
.unwrap_or(false)
|
||
}
|
||
|
||
fn summarize_text_for_log(text: &str, max_chars: usize) -> String {
|
||
let normalized = text.split_whitespace().collect::<Vec<_>>().join(" ");
|
||
let trimmed = normalized.trim();
|
||
|
||
if trimmed.chars().count() <= max_chars {
|
||
return trimmed.to_string();
|
||
}
|
||
|
||
let truncated: String = trimmed.chars().take(max_chars).collect();
|
||
let truncated = truncated.trim_end();
|
||
format!("{truncated}...")
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use super::*;
|
||
use axum::http::{header::ACCEPT, HeaderMap, HeaderValue};
|
||
use serde_json::json;
|
||
|
||
#[test]
|
||
fn single_provider_retryable_log_uses_single_provider_code() {
|
||
let error = ProxyError::UpstreamError {
|
||
status: 429,
|
||
body: Some(r#"{"error":{"message":"rate limit exceeded"}}"#.to_string()),
|
||
};
|
||
|
||
let (code, message) = build_retryable_failure_log("PackyCode-response", 1, 1, &error);
|
||
|
||
assert_eq!(code, log_fwd::SINGLE_PROVIDER_FAILED);
|
||
assert!(message.contains("Provider PackyCode-response 请求失败"));
|
||
assert!(message.contains("上游 HTTP 429"));
|
||
assert!(message.contains("rate limit exceeded"));
|
||
assert!(!message.contains("切换下一个"));
|
||
}
|
||
|
||
#[test]
|
||
fn multi_provider_retryable_log_keeps_failover_wording() {
|
||
let error = ProxyError::Timeout("upstream timed out after 30s".to_string());
|
||
|
||
let (code, message) = build_retryable_failure_log("primary", 1, 3, &error);
|
||
|
||
assert_eq!(code, log_fwd::PROVIDER_FAILED_RETRY);
|
||
assert!(message.contains("继续尝试下一个 (1/3)"));
|
||
assert!(message.contains("请求超时"));
|
||
}
|
||
|
||
#[test]
|
||
fn single_provider_has_no_terminal_all_failed_log() {
|
||
assert!(build_terminal_failure_log(1, 1, None).is_none());
|
||
}
|
||
|
||
#[test]
|
||
fn multi_provider_terminal_log_contains_last_error_summary() {
|
||
let error = ProxyError::ForwardFailed("connection reset by peer".to_string());
|
||
|
||
let (code, message) =
|
||
build_terminal_failure_log(2, 2, Some(&error)).expect("expected terminal log");
|
||
|
||
assert_eq!(code, log_fwd::ALL_PROVIDERS_FAILED);
|
||
assert!(message.contains("已尝试 2/2 个 Provider，均失败"));
|
||
assert!(message.contains("connection reset by peer"));
|
||
}
|
||
|
||
#[test]
|
||
fn summarize_upstream_body_prefers_json_message() {
|
||
let body = json!({
|
||
"error": {
|
||
"message": "invalid_request_error: unsupported field"
|
||
},
|
||
"request_id": "req_123"
|
||
});
|
||
|
||
let summary = summarize_upstream_body(&body.to_string());
|
||
|
||
assert_eq!(summary, "invalid_request_error: unsupported field");
|
||
}
|
||
|
||
#[test]
|
||
fn summarize_text_for_log_collapses_whitespace_and_truncates() {
|
||
let summary = summarize_text_for_log("line1\n\n line2 line3", 12);
|
||
|
||
assert_eq!(summary, "line1 line2...");
|
||
}
|
||
|
||
#[test]
|
||
fn rewrite_claude_transform_endpoint_strips_beta_for_chat_completions() {
|
||
let (endpoint, passthrough_query) = rewrite_claude_transform_endpoint(
|
||
"/v1/messages?beta=true&foo=bar",
|
||
"openai_chat",
|
||
false,
|
||
);
|
||
|
||
assert_eq!(endpoint, "/v1/chat/completions?foo=bar");
|
||
assert_eq!(passthrough_query.as_deref(), Some("foo=bar"));
|
||
}
|
||
|
||
#[test]
|
||
fn rewrite_claude_transform_endpoint_strips_beta_for_responses() {
|
||
let (endpoint, passthrough_query) = rewrite_claude_transform_endpoint(
|
||
"/claude/v1/messages?beta=true&x-id=1",
|
||
"openai_responses",
|
||
false,
|
||
);
|
||
|
||
assert_eq!(endpoint, "/v1/responses?x-id=1");
|
||
assert_eq!(passthrough_query.as_deref(), Some("x-id=1"));
|
||
}
|
||
|
||
#[test]
|
||
fn rewrite_claude_transform_endpoint_uses_copilot_path() {
|
||
let (endpoint, passthrough_query) =
|
||
rewrite_claude_transform_endpoint("/v1/messages?beta=true&x-id=1", "anthropic", true);
|
||
|
||
assert_eq!(endpoint, "/chat/completions?x-id=1");
|
||
assert_eq!(passthrough_query.as_deref(), Some("x-id=1"));
|
||
}
|
||
|
||
#[test]
|
||
fn append_query_to_full_url_preserves_existing_query_string() {
|
||
let url = append_query_to_full_url("https://relay.example/api?foo=bar", Some("x-id=1"));
|
||
|
||
assert_eq!(url, "https://relay.example/api?foo=bar&x-id=1");
|
||
}
|
||
|
||
#[test]
|
||
fn force_identity_for_stream_flag_requests() {
|
||
let headers = HeaderMap::new();
|
||
|
||
assert!(should_force_identity_encoding(
|
||
"/v1/responses",
|
||
&json!({ "stream": true }),
|
||
&headers
|
||
));
|
||
}
|
||
|
||
#[test]
|
||
fn force_identity_for_gemini_stream_endpoints() {
|
||
let headers = HeaderMap::new();
|
||
|
||
assert!(should_force_identity_encoding(
|
||
"/v1beta/models/gemini-2.5-pro:streamGenerateContent?alt=sse",
|
||
&json!({ "model": "gemini-2.5-pro" }),
|
||
&headers
|
||
));
|
||
}
|
||
|
||
#[test]
|
||
fn force_identity_for_sse_accept_header() {
|
||
let mut headers = HeaderMap::new();
|
||
headers.insert(ACCEPT, HeaderValue::from_static("text/event-stream"));
|
||
|
||
assert!(should_force_identity_encoding(
|
||
"/v1/responses",
|
||
&json!({ "model": "gpt-5" }),
|
||
&headers
|
||
));
|
||
}
|
||
|
||
#[test]
|
||
fn non_streaming_requests_allow_automatic_compression() {
|
||
let headers = HeaderMap::new();
|
||
|
||
assert!(!should_force_identity_encoding(
|
||
"/v1/responses",
|
||
&json!({ "model": "gpt-5" }),
|
||
&headers
|
||
));
|
||
}
|
||
}
|