first commit

transports/bifrost-http/integrations/passthrough.go

@@ -0,0 +1,72 @@
+package integrations
+
+import (
+	bifrost "github.com/maximhq/bifrost/core"
+	"github.com/maximhq/bifrost/core/schemas"
+	"github.com/maximhq/bifrost/transports/bifrost-http/lib"
+)
+
+// PassthroughRouter is a catch-all router that forwards all requests directly
+// to the provider without matching against known route patterns.
+type PassthroughRouter struct {
+	*GenericRouter
+}
+
+// NewPassthroughRouter creates a passthrough-only router for any prefix/provider combo.
+func NewPassthroughRouter(
+	client *bifrost.Bifrost,
+	handlerStore lib.HandlerStore,
+	logger schemas.Logger,
+	cfg *PassthroughConfig,
+) *PassthroughRouter {
+	if cfg == nil {
+		cfg = &PassthroughConfig{}
+	}
+	return &PassthroughRouter{
+		GenericRouter: NewGenericRouter(client, handlerStore, nil, cfg, logger),
+	}
+}
+
+// NewAnthropicPassthroughRouter creates a passthrough router for /anthropic_passthrough.
+func NewAnthropicPassthroughRouter(client *bifrost.Bifrost, handlerStore lib.HandlerStore, logger schemas.Logger) *PassthroughRouter {
+	return NewPassthroughRouter(client, handlerStore, logger, &PassthroughConfig{
+		Provider: schemas.Anthropic,
+		StripPrefix: []string{
+			"/anthropic_passthrough",
+		},
+	})
+}
+
+// NewOpenAIPassthroughRouter creates a passthrough router for /openai_passthrough.
+func NewOpenAIPassthroughRouter(client *bifrost.Bifrost, handlerStore lib.HandlerStore, logger schemas.Logger) *PassthroughRouter {
+	return NewPassthroughRouter(client, handlerStore, logger, &PassthroughConfig{
+		Provider: schemas.OpenAI,
+		StripPrefix: []string{
+			"/openai_passthrough",
+		},
+	})
+}
+
+// NewAzurePassthroughRouter creates a passthrough router for /azure_passthrough.
+func NewAzurePassthroughRouter(client *bifrost.Bifrost, handlerStore lib.HandlerStore, logger schemas.Logger) *PassthroughRouter {
+	return NewPassthroughRouter(client, handlerStore, logger, &PassthroughConfig{
+		Provider: schemas.Azure,
+		StripPrefix: []string{
+			"/azure_passthrough",
+		},
+	})
+}
+
+// NewGenAIPassthroughRouter creates a passthrough router for /genai_passthrough.
+func NewGenAIPassthroughRouter(client *bifrost.Bifrost, handlerStore lib.HandlerStore, logger schemas.Logger) *PassthroughRouter {
+	return NewPassthroughRouter(client, handlerStore, logger, &PassthroughConfig{
+		Provider:         schemas.Gemini,
+		ProviderDetector: detectProviderFromGenAIRequest,
+		StripPrefix: []string{
+			"/genai_passthrough/v1beta1",
+			"/genai_passthrough/v1beta",
+			"/genai_passthrough/v1",
+			"/genai_passthrough",
+		},
+	})
+}