1 files changed, 45 insertions, 0 deletions
diff --git a/src/send_file.cc b/src/send_file.cc
new file mode 100644
index 0000000..8611b6f
--- /dev/null
+++ b/src/send_file.cc
@@ -0,0 +1,45 @@
+#include "common.hh"
+
+#include "config.hh"
+#include "send_file.hh"
+
+namespace {
+
+class SendFileImpl : public SendFile {
+public:
+  bool setup(Logger*, Config* config,
+             std::string_view sendfile_header_name,
+             std::string_view sendfile_path_name) override {
+    header_ = config->get(std::string(sendfile_header_name), "");
+    path_ = config->get(std::string(sendfile_path_name), "");
+    return true;
+  }
+
+  std::unique_ptr<Transport::Response> create_ok_file(
+      Transport* transport,
+      std::filesystem::path const& full_path, std::string_view relative_path,
+      std::string_view etag, std::optional<uint64_t> size) override {
+    if (header_.empty()) {
+      auto resp = transport->create_ok_file(full_path);
+      if (!etag.empty())
+        resp->add_header("ETag", std::string(etag));
+      if (size.has_value())
+        resp->add_header("Content-Length", std::to_string(size.value()));
+      return resp;
+    }
+
+    auto resp = transport->create_ok_data("");
+    resp->add_header(header_, path_ + std::string(relative_path));
+    return resp;
+  }
+
+private:
+  std::string header_;
+  std::string path_;
+};
+
+}  // namespace
+
+std::unique_ptr<SendFile> SendFile::create() {
+  return std::make_unique<SendFileImpl>();
+}