mirror of
https://github.com/farion1231/cc-switch.git
synced 2026-07-27 16:26:16 +08:00
feat(proxy): add openrouter_compat_mode for optional format conversion
Add configurable OpenRouter compatibility mode that enables Anthropic to OpenAI format conversion. When enabled, rewrites endpoint to /v1/chat/completions and transforms request/response formats. Defaults to enabled for OpenRouter.
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@@ -430,12 +430,19 @@ impl RequestForwarder {
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let base_url = adapter.extract_base_url(provider)?;
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log::info!("[{}] base_url: {}", adapter.name(), base_url);
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// 使用适配器构建 URL
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let url = adapter.build_url(&base_url, endpoint);
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// 检查是否需要格式转换
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let needs_transform = adapter.needs_transform(provider);
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let effective_endpoint =
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if needs_transform && adapter.name() == "Claude" && endpoint == "/v1/messages" {
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"/v1/chat/completions"
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} else {
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endpoint
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};
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// 使用适配器构建 URL
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let url = adapter.build_url(&base_url, effective_endpoint);
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// 记录原始请求 JSON
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log::info!(
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"[{}] ====== 请求开始 ======\n>>> 原始请求 JSON:\n{}",
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@@ -48,6 +48,24 @@ impl ClaudeAdapter {
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false
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}
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/// 检测 OpenRouter 是否启用兼容模式
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fn is_openrouter_compat_enabled(&self, provider: &Provider) -> bool {
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if !self.is_openrouter(provider) {
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return false;
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}
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let raw = provider.settings_config.get("openrouter_compat_mode");
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match raw {
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Some(serde_json::Value::Bool(enabled)) => *enabled,
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Some(serde_json::Value::Number(num)) => num.as_i64().unwrap_or(0) != 0,
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Some(serde_json::Value::String(value)) => {
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let normalized = value.trim().to_lowercase();
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normalized == "true" || normalized == "1"
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}
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_ => true,
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}
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}
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/// 检测是否为仅 Bearer 认证模式
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fn is_bearer_only_mode(&self, provider: &Provider) -> bool {
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// 检查 settings_config 中的 auth_mode
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@@ -197,11 +215,7 @@ impl ProviderAdapter for ClaudeAdapter {
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// 映射到 `/v1/chat/completions`,并做 Anthropic ↔ OpenAI 的格式转换。
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//
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// 现在 OpenRouter 已推出 Claude Code 兼容接口,因此默认直接透传 endpoint。
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// 如需回退旧逻辑,可恢复下面这段分支:
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//
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// if base_url.contains("openrouter.ai") {
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// return format!("{}/v1/chat/completions", base_url.trim_end_matches('/'));
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// }
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// 如需回退旧逻辑,可在 forwarder 中根据 needs_transform 改写 endpoint。
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format!(
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"{}/{}",
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@@ -235,8 +249,7 @@ impl ProviderAdapter for ClaudeAdapter {
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// Anthropic ↔ OpenAI 的格式转换。
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//
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// 如果未来需要回退到旧的 OpenAI Chat Completions 方案,可恢复下面这行:
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// self.is_openrouter(_provider)
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false
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self.is_openrouter_compat_enabled(_provider)
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}
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fn transform_request(
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@@ -430,6 +443,14 @@ mod tests {
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"ANTHROPIC_BASE_URL": "https://openrouter.ai/api"
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}
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}));
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assert!(!adapter.needs_transform(&openrouter_provider));
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assert!(adapter.needs_transform(&openrouter_provider));
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let openrouter_disabled = create_provider(json!({
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"env": {
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"ANTHROPIC_BASE_URL": "https://openrouter.ai/api"
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},
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"openrouter_compat_mode": false
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}));
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assert!(!adapter.needs_transform(&openrouter_disabled));
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}
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}
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