I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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#include <string>
#include <algorithm>
#include <cctype>
#include <functional>
#include <fstream>
#include <set>
#include <boost/asio.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/foreach.hpp>
#include <boost/program_options/detail/config_file.hpp>
#include <boost/program_options/parsers.hpp>
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#include "util.h"
#include "Log.h"
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namespace i2p
{
namespace util
{
namespace config
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{
std::map<std::string, std::string> mapArgs;
std::map<std::string, std::vector<std::string> > mapMultiArgs;
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void OptionParser(int argc, const char* const argv[])
{
mapArgs.clear();
mapMultiArgs.clear();
for (int i = 1; i < argc; i++)
{
std::string strKey (argv[i]);
std::string strValue;
size_t has_data = strKey.find('=');
if (has_data != std::string::npos)
{
strValue = strKey.substr(has_data+1);
strKey = strKey.substr(0, has_data);
}
#ifdef WIN32
boost::to_lower(strKey);
if (boost::algorithm::starts_with(strKey, "/"))
strKey = "-" + strKey.substr(1);
#endif
if (strKey[0] != '-')
break;
mapArgs[strKey] = strValue;
mapMultiArgs[strKey].push_back(strValue);
}
BOOST_FOREACH(PAIRTYPE(const std::string,std::string)& entry, mapArgs)
{
std::string name = entry.first;
// interpret --foo as -foo (as long as both are not set)
if (name.find("--") == 0)
{
std::string singleDash(name.begin()+1, name.end());
if (mapArgs.count(singleDash) == 0)
mapArgs[singleDash] = entry.second;
name = singleDash;
}
}
}
const char* GetCharArg(const std::string& strArg, const std::string& nDefault)
{
if (mapArgs.count(strArg))
return mapArgs[strArg].c_str();
return nDefault.c_str();
}
std::string GetArg(const std::string& strArg, const std::string& strDefault)
{
if (mapArgs.count(strArg))
return mapArgs[strArg];
return strDefault;
}
int GetArg(const std::string& strArg, int nDefault)
{
if (mapArgs.count(strArg))
return atoi(mapArgs[strArg].c_str());
return nDefault;
}
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}
namespace filesystem
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{
const boost::filesystem::path &GetDataDir()
{
static boost::filesystem::path path;
if (i2p::util::config::mapArgs.count("-datadir")) {
path = boost::filesystem::system_complete(i2p::util::config::mapArgs["-datadir"]);
} else {
path = GetDefaultDataDir();
}
if (!boost::filesystem::exists( path ))
{
// Create data directory
if (!boost::filesystem::create_directory( path ))
{
LogPrint("Failed to create data directory!");
path = "";
return path;
}
}
if (!boost::filesystem::is_directory(path)) {
path = GetDefaultDataDir();
}
return path;
}
boost::filesystem::path GetConfigFile()
{
boost::filesystem::path pathConfigFile(i2p::util::config::GetArg("-conf", "i2p.conf"));
if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir() / pathConfigFile;
return pathConfigFile;
}
void ReadConfigFile(std::map<std::string, std::string>& mapSettingsRet,
std::map<std::string, std::vector<std::string> >& mapMultiSettingsRet)
{
boost::filesystem::ifstream streamConfig(GetConfigFile());
if (!streamConfig.good())
return; // No i2pd.conf file is OK
std::set<std::string> setOptions;
setOptions.insert("*");
for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
{
// Don't overwrite existing settings so command line settings override i2pd.conf
std::string strKey = std::string("-") + it->string_key;
if (mapSettingsRet.count(strKey) == 0)
{
mapSettingsRet[strKey] = it->value[0];
}
mapMultiSettingsRet[strKey].push_back(it->value[0]);
}
}
boost::filesystem::path GetDefaultDataDir()
{
// Windows < Vista: C:\Documents and Settings\Username\Application Data\i2pd
// Windows >= Vista: C:\Users\Username\AppData\Roaming\i2pd
// Mac: ~/Library/Application Support/i2pd
// Unix: ~/.i2pd
#ifdef WIN32
// Windows
return GetSpecialFolderPath(CSIDL_APPDATA) / "i2pd";
#else
boost::filesystem::path pathRet;
char* pszHome = getenv("HOME");
if (pszHome == NULL || strlen(pszHome) == 0)
pathRet = boost::filesystem::path("/");
else
pathRet = boost::filesystem::path(pszHome);
#ifdef MAC_OSX
// Mac
pathRet /= "Library/Application Support";
boost::filesystem::create_directory(pathRet);
return pathRet / "i2pd";
#else
// Unix
return pathRet / ".i2pd";
#endif
#endif
}
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}
namespace http
{
std::string httpRequest(const std::string& address)
{
try
{
i2p::util::http::url u(address);
boost::asio::ip::tcp::iostream site;
// please don't uncomment following line because it's not compatible with boost 1.46
// 1.46 is default boost for Ubuntu 12.04 LTS
//site.expires_from_now (boost::posix_time::seconds(30));
site.connect(u.host_, "http");
if (site)
{
// User-Agent is needed to get the server list routerInfo files.
site << "GET " << u.path_ << " HTTP/1.0\r\nHost: " << u.host_
<< "\r\nAccept: */*\r\n" << "User-Agent: Wget/1.11.4\r\n" << "Connection: close\r\n\r\n";
// read response
std::string version, statusMessage;
site >> version; // HTTP version
int status;
site >> status; // status
std::getline (site, statusMessage);
if (status == 200) // OK
{
std::string header;
while (std::getline(site, header) && header != "\r"){}
std::stringstream ss;
ss << site.rdbuf();
return ss.str();
}
else
{
LogPrint ("HTTP response ", status);
return "";
}
}
else
{
LogPrint ("Can't connect to ", address);
return "";
}
}
catch (std::exception& ex)
{
LogPrint ("Failed to download ", address, " : ", ex.what ());
return "";
}
}
url::url(const std::string& url_s)
{
parse(url_s);
}
void url::parse(const std::string& url_s)
{
const std::string prot_end("://");
std::string::const_iterator prot_i = search(url_s.begin(), url_s.end(),
prot_end.begin(), prot_end.end());
protocol_.reserve(distance(url_s.begin(), prot_i));
transform(url_s.begin(), prot_i,
back_inserter(protocol_),
std::ptr_fun<int,int>(tolower)); // protocol is icase
if( prot_i == url_s.end() )
return;
advance(prot_i, prot_end.length());
std::string::const_iterator path_i = find(prot_i, url_s.end(), '/');
host_.reserve(distance(prot_i, path_i));
transform(prot_i, path_i,
back_inserter(host_),
std::ptr_fun<int,int>(tolower)); // host is icase
std::string::const_iterator query_i = find(path_i, url_s.end(), '?');
path_.assign(path_i, query_i);
if( query_i != url_s.end() )
++query_i;
query_.assign(query_i, url_s.end());
}
}
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} // Namespace end
}