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kevacoin/src/rpcprotocol.cpp

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Split up bitcoinrpc (code movement only) Split bitcoinrpc up into - rpcserver: bitcoind RPC server - rpcclient: bitcoin-cli RPC client - rpcprotocol: shared common HTTP/JSON-RPC protocol code One step towards making bitcoin-cli independent from the rest of the code, and thus a smaller executable that doesn't have to be linked against leveldb. This commit only does code movement, there are no functional changes.
11 years ago
// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2013 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "rpcprotocol.h"
#include "util.h"
#include <stdint.h>
#include <boost/algorithm/string.hpp>
#include <boost/asio.hpp>
#include <boost/asio/ssl.hpp>
#include <boost/bind.hpp>
#include <boost/filesystem.hpp>
#include <boost/foreach.hpp>
#include <boost/iostreams/concepts.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/shared_ptr.hpp>
#include "json/json_spirit_writer_template.h"
using namespace std;
using namespace boost;
using namespace boost::asio;
using namespace json_spirit;
//
// HTTP protocol
//
// This ain't Apache. We're just using HTTP header for the length field
// and to be compatible with other JSON-RPC implementations.
//
string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
{
ostringstream s;
s << "POST / HTTP/1.1\r\n"
<< "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
<< "Host: 127.0.0.1\r\n"
<< "Content-Type: application/json\r\n"
<< "Content-Length: " << strMsg.size() << "\r\n"
<< "Connection: close\r\n"
<< "Accept: application/json\r\n";
BOOST_FOREACH(const PAIRTYPE(string, string)& item, mapRequestHeaders)
s << item.first << ": " << item.second << "\r\n";
s << "\r\n" << strMsg;
return s.str();
}
static string rfc1123Time()
{
char buffer[64];
time_t now;
time(&now);
struct tm* now_gmt = gmtime(&now);
string locale(setlocale(LC_TIME, NULL));
setlocale(LC_TIME, "C"); // we want POSIX (aka "C") weekday/month strings
strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
setlocale(LC_TIME, locale.c_str());
return string(buffer);
}
string HTTPReply(int nStatus, const string& strMsg, bool keepalive)
{
if (nStatus == HTTP_UNAUTHORIZED)
return strprintf("HTTP/1.0 401 Authorization Required\r\n"
"Date: %s\r\n"
"Server: bitcoin-json-rpc/%s\r\n"
"WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 296\r\n"
"\r\n"
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
"\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
"<HTML>\r\n"
"<HEAD>\r\n"
"<TITLE>Error</TITLE>\r\n"
"<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
"</HEAD>\r\n"
"<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
Remove redundant .c_str()s After the tinyformat switch sprintf() family functions support passing actual std::string objects. Remove unnecessary c_str calls (236 of them) in logging and formatting.
11 years ago
"</HTML>\r\n", rfc1123Time(), FormatFullVersion());
Split up bitcoinrpc (code movement only) Split bitcoinrpc up into - rpcserver: bitcoind RPC server - rpcclient: bitcoin-cli RPC client - rpcprotocol: shared common HTTP/JSON-RPC protocol code One step towards making bitcoin-cli independent from the rest of the code, and thus a smaller executable that doesn't have to be linked against leveldb. This commit only does code movement, there are no functional changes.
11 years ago
const char *cStatus;
if (nStatus == HTTP_OK) cStatus = "OK";
else if (nStatus == HTTP_BAD_REQUEST) cStatus = "Bad Request";
else if (nStatus == HTTP_FORBIDDEN) cStatus = "Forbidden";
else if (nStatus == HTTP_NOT_FOUND) cStatus = "Not Found";
else if (nStatus == HTTP_INTERNAL_SERVER_ERROR) cStatus = "Internal Server Error";
else cStatus = "";
return strprintf(
"HTTP/1.1 %d %s\r\n"
"Date: %s\r\n"
"Connection: %s\r\n"
"Content-Length: %"PRIszu"\r\n"
"Content-Type: application/json\r\n"
"Server: bitcoin-json-rpc/%s\r\n"
"\r\n"
"%s",
nStatus,
cStatus,
Remove redundant .c_str()s After the tinyformat switch sprintf() family functions support passing actual std::string objects. Remove unnecessary c_str calls (236 of them) in logging and formatting.
11 years ago
rfc1123Time(),
Split up bitcoinrpc (code movement only) Split bitcoinrpc up into - rpcserver: bitcoind RPC server - rpcclient: bitcoin-cli RPC client - rpcprotocol: shared common HTTP/JSON-RPC protocol code One step towards making bitcoin-cli independent from the rest of the code, and thus a smaller executable that doesn't have to be linked against leveldb. This commit only does code movement, there are no functional changes.
11 years ago
keepalive ? "keep-alive" : "close",
strMsg.size(),
Remove redundant .c_str()s After the tinyformat switch sprintf() family functions support passing actual std::string objects. Remove unnecessary c_str calls (236 of them) in logging and formatting.
11 years ago
FormatFullVersion(),
strMsg);
Split up bitcoinrpc (code movement only) Split bitcoinrpc up into - rpcserver: bitcoind RPC server - rpcclient: bitcoin-cli RPC client - rpcprotocol: shared common HTTP/JSON-RPC protocol code One step towards making bitcoin-cli independent from the rest of the code, and thus a smaller executable that doesn't have to be linked against leveldb. This commit only does code movement, there are no functional changes.
11 years ago
}
bool ReadHTTPRequestLine(std::basic_istream<char>& stream, int &proto,
string& http_method, string& http_uri)
{
string str;
getline(stream, str);
// HTTP request line is space-delimited
vector<string> vWords;
boost::split(vWords, str, boost::is_any_of(" "));
if (vWords.size() < 2)
return false;
// HTTP methods permitted: GET, POST
http_method = vWords[0];
if (http_method != "GET" && http_method != "POST")
return false;
// HTTP URI must be an absolute path, relative to current host
http_uri = vWords[1];
if (http_uri.size() == 0 || http_uri[0] != '/')
return false;
// parse proto, if present
string strProto = "";
if (vWords.size() > 2)
strProto = vWords[2];
proto = 0;
const char *ver = strstr(strProto.c_str(), "HTTP/1.");
if (ver != NULL)
proto = atoi(ver+7);
return true;
}
int ReadHTTPStatus(std::basic_istream<char>& stream, int &proto)
{
string str;
getline(stream, str);
vector<string> vWords;
boost::split(vWords, str, boost::is_any_of(" "));
if (vWords.size() < 2)
return HTTP_INTERNAL_SERVER_ERROR;
proto = 0;
const char *ver = strstr(str.c_str(), "HTTP/1.");
if (ver != NULL)
proto = atoi(ver+7);
return atoi(vWords[1].c_str());
}
int ReadHTTPHeaders(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
{
int nLen = 0;
while (true)
{
string str;
std::getline(stream, str);
if (str.empty() || str == "\r")
break;
string::size_type nColon = str.find(":");
if (nColon != string::npos)
{
string strHeader = str.substr(0, nColon);
boost::trim(strHeader);
boost::to_lower(strHeader);
string strValue = str.substr(nColon+1);
boost::trim(strValue);
mapHeadersRet[strHeader] = strValue;
if (strHeader == "content-length")
nLen = atoi(strValue.c_str());
}
}
return nLen;
}
int ReadHTTPMessage(std::basic_istream<char>& stream, map<string,
string>& mapHeadersRet, string& strMessageRet,
int nProto)
{
mapHeadersRet.clear();
strMessageRet = "";
// Read header
int nLen = ReadHTTPHeaders(stream, mapHeadersRet);
if (nLen < 0 || nLen > (int)MAX_SIZE)
return HTTP_INTERNAL_SERVER_ERROR;
// Read message
if (nLen > 0)
{
vector<char> vch(nLen);
stream.read(&vch[0], nLen);
strMessageRet = string(vch.begin(), vch.end());
}
string sConHdr = mapHeadersRet["connection"];
if ((sConHdr != "close") && (sConHdr != "keep-alive"))
{
if (nProto >= 1)
mapHeadersRet["connection"] = "keep-alive";
else
mapHeadersRet["connection"] = "close";
}
return HTTP_OK;
}
//
// 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://groups.google.com/group/json-rpc/web/json-rpc-over-http
// http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
//
string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
{
Object request;
request.push_back(Pair("method", strMethod));
request.push_back(Pair("params", params));
request.push_back(Pair("id", id));
return write_string(Value(request), false) + "\n";
}
Object JSONRPCReplyObj(const Value& result, const Value& error, const Value& id)
{
Object reply;
if (error.type() != null_type)
reply.push_back(Pair("result", Value::null));
else
reply.push_back(Pair("result", result));
reply.push_back(Pair("error", error));
reply.push_back(Pair("id", id));
return reply;
}
string JSONRPCReply(const Value& result, const Value& error, const Value& id)
{
Object reply = JSONRPCReplyObj(result, error, id);
return write_string(Value(reply), false) + "\n";
}
Object JSONRPCError(int code, const string& message)
{
Object error;
error.push_back(Pair("code", code));
error.push_back(Pair("message", message));
return error;
}