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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013, 2019-2020 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
#include <fstream>
#ifndef _WIN32
# include <dirent.h>
#endif
FileReader::FileReader(const std::string& filename)
{
Load(filename);
}
void FileReader::Load(const std::string& filename)
{
// If the file is stored in the file cache then we used that version instead.
ConfigFileCache::const_iterator it = ServerInstance->Config->Files.find(filename);
if (it != ServerInstance->Config->Files.end())
{
this->lines = it->second;
}
else
{
const std::string realName = ServerInstance->Config->Paths.PrependConfig(filename);
lines.clear();
std::ifstream stream(realName.c_str());
if (!stream.is_open())
throw CoreException(filename + " does not exist or is not readable!");
std::string line;
while (std::getline(stream, line))
{
lines.push_back(line);
totalSize += line.size() + 2;
}
stream.close();
}
}
std::string FileReader::GetString() const
{
std::string buffer;
for (file_cache::const_iterator it = this->lines.begin(); it != this->lines.end(); ++it)
{
buffer.append(*it);
buffer.append("\r\n");
}
return buffer;
}
std::string FileSystem::ExpandPath(const std::string& base, const std::string& fragment)
{
// The fragment is an absolute path, don't modify it.
if (fragment[0] == '/' || FileSystem::StartsWithWindowsDriveLetter(fragment))
return fragment;
// The fragment is relative to a home directory, expand that.
if (!fragment.compare(0, 2, "~/", 2))
{
const char* homedir = getenv("HOME");
if (homedir && *homedir)
return std::string(homedir) + '/' + fragment.substr(2);
}
return base + '/' + fragment;
}
bool FileSystem::FileExists(const std::string& file)
{
struct stat sb;
if (stat(file.c_str(), &sb) == -1)
return false;
if ((sb.st_mode & S_IFDIR) > 0)
return false;
return !access(file.c_str(), F_OK);
}
bool FileSystem::GetFileList(const std::string& directory, std::vector<std::string>& entries, const std::string& match)
{
#ifdef _WIN32
const std::string search_path = directory + "\\" + match;
WIN32_FIND_DATAA wfd;
HANDLE fh = FindFirstFileA(search_path.c_str(), &wfd);
if (fh == INVALID_HANDLE_VALUE)
return false;
do
{
entries.push_back(wfd.cFileName);
} while (FindNextFile(fh, &wfd) != 0);
FindClose(fh);
return true;
#else
DIR* library = opendir(directory.c_str());
if (!library)
return false;
dirent* entry = NULL;
while ((entry = readdir(library)))
{
if (InspIRCd::Match(entry->d_name, match, ascii_case_insensitive_map))
entries.push_back(entry->d_name);
}
closedir(library);
return true;
#endif
}
std::string FileSystem::GetFileName(const std::string& name)
{
#ifdef _WIN32
size_t pos = name.find_last_of("\\/");
#else
size_t pos = name.rfind('/');
#endif
return pos == std::string::npos ? name : name.substr(++pos);
}
bool FileSystem::StartsWithWindowsDriveLetter(const std::string& path)
{
return (path.length() > 2 && isalpha(path[0]) && path[1] == ':');
}
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