MMS (Multisig Messaging System): Initial version

1 files changed, 113 insertions, 0 deletions

diff --git a/src/wallet/message_transporter.h b/src/wallet/message_transporter.h
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+++ b/src/wallet/message_transporter.h
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+// Copyright (c) 2018, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#pragma once
+#include "serialization/keyvalue_serialization.h"
+#include "cryptonote_basic/cryptonote_basic.h"
+#include "cryptonote_basic/cryptonote_boost_serialization.h"
+#include "cryptonote_basic/account_boost_serialization.h"
+#include "cryptonote_basic/cryptonote_basic.h"
+#include "net/http_server_impl_base.h"
+#include "net/http_client.h"
+#include "common/util.h"
+#include "wipeable_string.h"
+#include "serialization/keyvalue_serialization.h"
+#include <vector>
+
+namespace mms
+{
+
+struct transport_message
+{
+  cryptonote::account_public_address source_monero_address;
+  std::string source_transport_address;
+  cryptonote::account_public_address destination_monero_address;
+  std::string destination_transport_address;
+  crypto::chacha_iv iv;
+  crypto::public_key encryption_public_key;
+  uint64_t timestamp;
+  uint32_t type;
+  std::string subject;
+  std::string content;
+  crypto::hash hash;
+  crypto::signature signature;
+  uint32_t round;
+  uint32_t signature_count;
+  std::string transport_id;
+
+  BEGIN_KV_SERIALIZE_MAP()
+    KV_SERIALIZE(source_monero_address)
+    KV_SERIALIZE(source_transport_address)
+    KV_SERIALIZE(destination_monero_address)
+    KV_SERIALIZE(destination_transport_address)
+    KV_SERIALIZE_VAL_POD_AS_BLOB(iv)
+    KV_SERIALIZE_VAL_POD_AS_BLOB(encryption_public_key)
+    KV_SERIALIZE(timestamp)
+    KV_SERIALIZE(type)
+    KV_SERIALIZE(subject)
+    KV_SERIALIZE(content)
+    KV_SERIALIZE_VAL_POD_AS_BLOB(hash)
+    KV_SERIALIZE_VAL_POD_AS_BLOB(signature)
+    KV_SERIALIZE(round)
+    KV_SERIALIZE(signature_count)
+    KV_SERIALIZE(transport_id)
+  END_KV_SERIALIZE_MAP()
+};
+
+class message_transporter
+{
+public:
+  message_transporter();
+  void set_options(const std::string &bitmessage_address, const epee::wipeable_string &bitmessage_login);
+  bool send_message(const transport_message &message);
+  bool receive_messages(const std::vector<std::string> &destination_transport_addresses,
+                        std::vector<transport_message> &messages);
+  bool delete_message(const std::string &transport_id);
+  void stop() { m_run.store(false, std::memory_order_relaxed); }
+  std::string derive_transport_address(const std::string &seed);
+  std::string derive_and_receive_transport_address(const std::string &seed);
+  bool delete_transport_address(const std::string &transport_address);
+
+private:
+  epee::net_utils::http::http_simple_client m_http_client;
+  std::string m_bitmessage_url;
+  epee::wipeable_string m_bitmessage_login;
+  std::atomic<bool> m_run;
+
+  bool post_request(const std::string &request, std::string &answer);
+  static std::string get_str_between_tags(const std::string &s, const std::string &start_delim, const std::string &stop_delim);
+
+  static void start_xml_rpc_cmd(std::string &xml, const std::string &method_name);
+  static void add_xml_rpc_string_param(std::string &xml, const std::string &param);
+  static void add_xml_rpc_base64_param(std::string &xml, const std::string &param);
+  static void add_xml_rpc_integer_param(std::string &xml, const int32_t &param);
+  static void end_xml_rpc_cmd(std::string &xml);
+
+};
+
+}