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#pragma once
#include "types.hh"
#include "hash.hh"
#include "store-api.hh"
namespace nix {
struct NarInfo : ValidPathInfo
{
std::string url;
std::string compression;
Hash fileHash;
uint64_t fileSize = 0;
std::string system;
std::string sig; // FIXME: support multiple signatures
NarInfo() { }
NarInfo(const ValidPathInfo & info) : ValidPathInfo(info) { }
NarInfo(const std::string & s, const std::string & whence);
std::string to_string() const;
/* Return a fingerprint of the store path to be used in binary
cache signatures. It contains the store path, the base-32
SHA-256 hash of the NAR serialisation of the path, the size of
the NAR, and the sorted references. The size field is strictly
speaking superfluous, but might prevent endless/excessive data
attacks. */
std::string fingerprint() const;
void sign(const SecretKey & secretKey);
/* Return true iff this .narinfo is signed by one of the specified
keys. */
bool checkSignature(const PublicKeys & publicKeys) const;
private:
Strings shortRefs() const;
};
}
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