137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
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/***************************************************************************
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* Copyright (C) 2007 by Lothar May *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include "avatarmanager.h"
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#include <boost/filesystem.hpp>
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#include <openssl/md5.h>
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using namespace std;
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using namespace boost::filesystem;
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AvatarManager::AvatarManager()
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{
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}
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AvatarManager::~AvatarManager()
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{
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}
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bool
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AvatarManager::Init(const std::string &dataDir, const std::string &cacheDir)
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{
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bool retVal = false;
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try
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{
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InternalReadDirectory(dataDir);
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InternalReadDirectory(cacheDir);
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m_cacheDir = cacheDir;
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retVal = true;
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} catch (...)
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{
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}
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return retVal;
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}
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bool
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AvatarManager::GetHashForAvatar(const std::string &fileName, MD5Buf &md5buf)
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{
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bool found = false;
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if (exists(fileName))
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{
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AvatarMap::const_iterator i = m_avatars.begin();
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AvatarMap::const_iterator end = m_avatars.end();
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while (i != end)
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{
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if (i->second == fileName)
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{
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md5buf = i->first;
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found = true;
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break;
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}
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++i;
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}
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if (!found)
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{
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if (CryptHelper::MD5Sum(fileName, md5buf))
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{
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m_avatars.insert(AvatarMap::value_type(md5buf, fileName));
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found = true;
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}
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}
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}
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return found;
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}
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bool
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AvatarManager::GetAvatarFileName(const MD5Buf &md5buf, std::string &fileName) const
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{
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bool retVal = false;
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AvatarMap::const_iterator pos = m_avatars.find(md5buf);
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if (pos != m_avatars.end())
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{
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fileName = pos->second;
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retVal = true;
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}
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return retVal;
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}
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bool
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AvatarManager::StoreAvatarInCache(const MD5Buf &md5buf, const std::string &fileExtension, const unsigned char *data, unsigned size)
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{
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bool retVal = false;
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try
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{
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path tmpPath(m_cacheDir);
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tmpPath /= (md5buf.ToString() + "." + fileExtension);
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string fileName(tmpPath.file_string());
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ofstream o(fileName.c_str());
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o.write((const char *)data, size);
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m_avatars.insert(AvatarMap::value_type(md5buf, fileName));
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retVal = true;
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} catch (...)
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{
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}
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return retVal;
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}
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void
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AvatarManager::InternalReadDirectory(const std::string &dir)
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{
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directory_iterator i(dir);
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directory_iterator end;
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while (i != end)
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{
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if (is_regular(i->status()))
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{
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string md5sum(basename(i->path()));
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MD5Buf tmpBuf;
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if (tmpBuf.FromString(md5sum))
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{
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m_avatars.insert(AvatarMap::value_type(tmpBuf, i->path().file_string()));
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}
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}
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++i;
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}
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}
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