dogecoin/src/rpc/protocol.cpp
Patrick Lodder edd0da7968
scripted-diff: Use UniValue.pushKV instead of push_back(Pair())
-BEGIN VERIFY SCRIPT-
git grep -l "push_back(Pair" | xargs sed -i "s/push_back(Pair(\(.*\)));/pushKV(\1);/g"
-END VERIFY SCRIPT-

Copied from: bitcoin/bitcoin#91986ed2
2021-10-18 03:50:47 +02:00

129 lines
3.7 KiB
C++

// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "rpc/protocol.h"
#include "random.h"
#include "tinyformat.h"
#include "util.h"
#include "utilstrencodings.h"
#include "utiltime.h"
#include "version.h"
#include <stdint.h>
#include <fstream>
using namespace std;
/**
* JSON-RPC protocol. Bitcoin speaks version 1.0 for maximum compatibility,
* but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
* unspecified (HTTP errors and contents of 'error').
*
* 1.0 spec: http://json-rpc.org/wiki/specification
* 1.2 spec: http://jsonrpc.org/historical/json-rpc-over-http.html
*/
UniValue JSONRPCRequestObj(const string& strMethod, const UniValue& params, const UniValue& id)
{
UniValue request(UniValue::VOBJ);
request.pushKV("method", strMethod);
request.pushKV("params", params);
request.pushKV("id", id);
return request;
}
UniValue JSONRPCReplyObj(const UniValue& result, const UniValue& error, const UniValue& id)
{
UniValue reply(UniValue::VOBJ);
if (!error.isNull())
reply.pushKV("result", NullUniValue);
else
reply.pushKV("result", result);
reply.pushKV("error", error);
reply.pushKV("id", id);
return reply;
}
string JSONRPCReply(const UniValue& result, const UniValue& error, const UniValue& id)
{
UniValue reply = JSONRPCReplyObj(result, error, id);
return reply.write() + "\n";
}
UniValue JSONRPCError(int code, const string& message)
{
UniValue error(UniValue::VOBJ);
error.pushKV("code", code);
error.pushKV("message", message);
return error;
}
/** Username used when cookie authentication is in use (arbitrary, only for
* recognizability in debugging/logging purposes)
*/
static const std::string COOKIEAUTH_USER = "__cookie__";
/** Default name for auth cookie file */
static const std::string COOKIEAUTH_FILE = ".cookie";
boost::filesystem::path GetAuthCookieFile()
{
boost::filesystem::path path(GetArg("-rpccookiefile", COOKIEAUTH_FILE));
if (!path.is_complete()) path = GetDataDir() / path;
return path;
}
bool GenerateAuthCookie(std::string *cookie_out)
{
const size_t COOKIE_SIZE = 32;
unsigned char rand_pwd[COOKIE_SIZE];
GetRandBytes(rand_pwd, COOKIE_SIZE);
std::string cookie = COOKIEAUTH_USER + ":" + HexStr(rand_pwd, rand_pwd+COOKIE_SIZE);
/** the umask determines what permissions are used to create this file -
* these are set to 077 in init.cpp unless overridden with -sysperms.
*/
std::ofstream file;
boost::filesystem::path filepath = GetAuthCookieFile();
file.open(filepath.string().c_str());
if (!file.is_open()) {
LogPrintf("Unable to open cookie authentication file %s for writing\n", filepath.string());
return false;
}
file << cookie;
file.close();
LogPrintf("Generated RPC authentication cookie %s\n", filepath.string());
if (cookie_out)
*cookie_out = cookie;
return true;
}
bool GetAuthCookie(std::string *cookie_out)
{
std::ifstream file;
std::string cookie;
boost::filesystem::path filepath = GetAuthCookieFile();
file.open(filepath.string().c_str());
if (!file.is_open())
return false;
std::getline(file, cookie);
file.close();
if (cookie_out)
*cookie_out = cookie;
return true;
}
void DeleteAuthCookie()
{
try {
boost::filesystem::remove(GetAuthCookieFile());
} catch (const boost::filesystem::filesystem_error& e) {
LogPrintf("%s: Unable to remove random auth cookie file: %s\n", __func__, e.what());
}
}