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-rw-r--r--third_party/nix/src/libstore/s3.hh42
1 files changed, 42 insertions, 0 deletions
diff --git a/third_party/nix/src/libstore/s3.hh b/third_party/nix/src/libstore/s3.hh
new file mode 100644
index 000000000000..09935fabed47
--- /dev/null
+++ b/third_party/nix/src/libstore/s3.hh
@@ -0,0 +1,42 @@
+#pragma once
+
+#if ENABLE_S3
+
+#include "ref.hh"
+
+namespace Aws {
+namespace Client {
+class ClientConfiguration;
+}
+}  // namespace Aws
+namespace Aws {
+namespace S3 {
+class S3Client;
+}
+}  // namespace Aws
+
+namespace nix {
+
+struct S3Helper {
+  ref<Aws::Client::ClientConfiguration> config;
+  ref<Aws::S3::S3Client> client;
+
+  S3Helper(const std::string& profile, const std::string& region,
+           const std::string& scheme, const std::string& endpoint);
+
+  ref<Aws::Client::ClientConfiguration> makeConfig(const std::string& region,
+                                                   const std::string& scheme,
+                                                   const std::string& endpoint);
+
+  struct DownloadResult {
+    std::shared_ptr<std::string> data;
+    unsigned int durationMs;
+  };
+
+  DownloadResult getObject(const std::string& bucketName,
+                           const std::string& key);
+};
+
+}  // namespace nix
+
+#endif