2018-07-09 17:32:11 +00:00
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#ifndef LLARP_SERVICE_INFO_HPP
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#define LLARP_SERVICE_INFO_HPP
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2018-12-12 02:15:08 +00:00
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2019-01-13 16:30:07 +00:00
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#include <crypto/types.hpp>
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2019-04-22 18:35:19 +00:00
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#include <service/address.hpp>
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#include <service/vanity.hpp>
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2019-01-10 19:41:51 +00:00
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#include <util/bencode.hpp>
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2018-07-09 17:32:11 +00:00
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2019-02-03 02:13:31 +00:00
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#include <absl/types/optional.h>
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2019-01-02 01:04:04 +00:00
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2018-07-09 17:32:11 +00:00
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namespace llarp
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{
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2019-01-13 16:30:07 +00:00
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struct Crypto;
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2018-07-09 17:32:11 +00:00
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namespace service
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{
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2019-04-22 18:35:19 +00:00
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struct ServiceInfo final : public IBEncodeMessage
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2018-07-09 17:32:11 +00:00
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{
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private:
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PubKey enckey;
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PubKey signkey;
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2018-12-02 18:07:07 +00:00
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2018-08-10 21:34:11 +00:00
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public:
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2018-11-27 21:48:12 +00:00
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VanityNonce vanity;
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2018-12-02 18:07:07 +00:00
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2019-02-03 02:13:31 +00:00
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using OptNonce = absl::optional< VanityNonce >;
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2018-08-10 21:34:11 +00:00
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ServiceInfo() = default;
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2018-11-08 12:31:50 +00:00
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ServiceInfo(ServiceInfo&& other)
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2018-08-10 21:34:11 +00:00
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{
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enckey = std::move(other.enckey);
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signkey = std::move(other.signkey);
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version = std::move(other.version);
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vanity = std::move(other.vanity);
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m_CachedAddr = std::move(other.m_CachedAddr);
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}
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ServiceInfo(const ServiceInfo& other)
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: IBEncodeMessage(other.version)
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, enckey(other.enckey)
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2018-08-29 20:40:26 +00:00
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, signkey(other.signkey)
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, vanity(other.vanity)
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, m_CachedAddr(other.m_CachedAddr)
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2018-08-10 21:34:11 +00:00
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{
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version = other.version;
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}
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void
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RandomizeVanity()
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{
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vanity.Randomize();
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}
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bool
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Verify(Crypto* crypto, const llarp_buffer_t& payload,
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const Signature& sig) const;
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const PubKey&
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EncryptionPublicKey() const
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{
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return enckey;
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}
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2018-08-10 21:34:11 +00:00
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bool
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Update(const byte_t* enc, const byte_t* sign,
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const OptNonce& nonce = OptNonce())
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{
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enckey = enc;
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signkey = sign;
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2018-11-27 21:54:06 +00:00
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if(nonce)
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{
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vanity = nonce.value();
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}
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return UpdateAddr();
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}
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2018-07-11 16:11:19 +00:00
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bool
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operator==(const ServiceInfo& other) const
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{
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return enckey == other.enckey && signkey == other.signkey
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&& version == other.version && vanity == other.vanity;
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}
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2018-08-10 21:34:11 +00:00
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bool
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operator!=(const ServiceInfo& other) const
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{
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return !(*this == other);
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}
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ServiceInfo&
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operator=(const ServiceInfo& other)
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{
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enckey = other.enckey;
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signkey = other.signkey;
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version = other.version;
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vanity = other.vanity;
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2018-09-17 15:32:37 +00:00
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version = other.version;
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2018-07-18 03:10:21 +00:00
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UpdateAddr();
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2018-07-09 17:32:11 +00:00
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return *this;
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2019-04-24 23:27:31 +00:00
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}
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2018-07-09 17:32:11 +00:00
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2018-07-18 03:10:21 +00:00
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bool
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operator<(const ServiceInfo& other) const
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{
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return Addr() < other.Addr();
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}
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2019-02-24 23:46:37 +00:00
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std::ostream&
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print(std::ostream& stream, int level, int spaces) const;
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2018-07-09 17:32:11 +00:00
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2018-08-10 21:34:11 +00:00
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/// .loki address
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2018-07-16 03:32:13 +00:00
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std::string
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Name() const;
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2018-07-18 03:10:21 +00:00
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bool
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UpdateAddr();
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const Address&
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Addr() const
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{
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return m_CachedAddr;
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}
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2018-07-09 17:32:11 +00:00
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/// calculate our address
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2018-12-20 14:18:03 +00:00
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bool CalculateAddress(std::array< byte_t, 32 >& data) const;
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2018-07-19 04:58:39 +00:00
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bool
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2018-11-05 11:27:12 +00:00
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BDecode(llarp_buffer_t* buf) override
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{
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if(IBEncodeMessage::BDecode(buf))
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return CalculateAddress(m_CachedAddr.as_array());
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return false;
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}
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2018-07-09 17:32:11 +00:00
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bool
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BEncode(llarp_buffer_t* buf) const override;
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bool
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2019-02-01 01:58:06 +00:00
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DecodeKey(const llarp_buffer_t& key, llarp_buffer_t* buf) override;
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2018-07-18 03:10:21 +00:00
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private:
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Address m_CachedAddr;
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};
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2019-02-24 23:46:37 +00:00
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inline std::ostream&
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operator<<(std::ostream& out, const ServiceInfo& i)
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{
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return i.print(out, -1, -1);
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}
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2018-07-09 17:32:11 +00:00
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} // namespace service
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} // namespace llarp
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2018-08-29 20:40:26 +00:00
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#endif
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