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/*
* msnobject.cpp
* libmsn
*
* Created by Tiago Salem Herrmann on 08/2007.
* Copyright (c) 2007 Tiago Salem Herrmann. All rights reserved
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <msn/util.h>
#include <openssl/sha.h>
#include <msn/msnobject.h>
#include <msn/xmlParser.h>
#include <iostream>
#include <fstream>
namespace MSN
{
void MSNObject::addMSNObject(std::string filename, int Type)
{
std::ifstream::pos_type size;
char * memblock;
SHA_CTX ctx;
unsigned char digest[SHA_DIGEST_LENGTH];
MSNObjectUnit msnobj;
msnobj.Creator = this->Creator;
msnobj.Size = FileSize(filename.c_str());
msnobj.Type = Type;
if(Type!=11)
{
msnobj.Location = toStr(++current_id);
msnobj.Location += ".tmp";
}
else
{
msnobj.Location = "0";
// encode wav to siren
libmsn_Siren7_EncodeVoiceClip(filename);
msnobj.Size = FileSize(filename.c_str());
}
msnobj.realLocation = filename;
if(Type!=5 && Type!=8)
msnobj.Friendly="AAA=";
std::ifstream file (filename.c_str(), std::ios::in|std::ios::binary|std::ios::ate);
if (!file.is_open())
{
return;
}
size = file.tellg();
memblock = new char [size];
file.seekg (0, std::ios::beg);
file.read (memblock, size);
file.close();
SHA1_Init(&ctx);
SHA1_Update(&ctx, memblock, size);
SHA1_Final(digest, &ctx);
delete[] memblock;
msnobj.SHA1D = b64_encode((const char*)digest,20);
std::string all_fields("Creator" + msnobj.Creator +
"Size" + toStr(msnobj.Size) +
"Type" + toStr(msnobj.Type) +
"Location" + msnobj.Location +
"Friendly" + msnobj.Friendly +
"SHA1D" + msnobj.SHA1D);
SHA1_Init(&ctx);
SHA1_Update(&ctx, all_fields.c_str(), all_fields.length());
SHA1_Final(digest, &ctx);
msnobj.SHA1C = b64_encode((const char*)digest,20);
XMLNode msnObject = XMLNode::createXMLTopNode("msnobj");
msnObject.addAttribute("Creator", this->Creator.c_str());
msnObject.addAttribute("Size", toStr(msnobj.Size).c_str());
msnObject.addAttribute("Type", toStr(msnobj.Type).c_str());
msnObject.addAttribute("Location", msnobj.Location.c_str());
msnObject.addAttribute("Friendly", msnobj.Friendly.c_str());
msnObject.addAttribute("SHA1D", msnobj.SHA1D.c_str());
if(Type!=11) // voice does not have this field
msnObject.addAttribute("SHA1C", msnobj.SHA1C.c_str());
char *xml = msnObject.createXMLString(false);
msnobj.XMLString = xml;
free(xml);
msnObjects.push_front(msnobj);
}
void MSNObject::setCreator(std::string creator)
{
this->Creator = creator;
}
bool MSNObject::getMSNObjectXML(std::string filename, int Type, std::string & msnobj)
{
if(msnObjects.empty()) return false;
std::list<MSNObjectUnit>::iterator i = msnObjects.begin();
for(; i!=msnObjects.end();i++)
{
if((*i).realLocation == filename &&
(*i).Type == Type)
{
msnobj = (*i).XMLString;
return true;
}
}
return false;
}
bool MSNObject::delMSNObjectByType(int Type)
{
bool deleted=false;
if(msnObjects.empty()) return false;
std::list<MSNObjectUnit>::iterator i = msnObjects.begin();
std::list<MSNObjectUnit>::iterator d;
for(;i!=msnObjects.end();i++)
{
if((*i).Type == Type)
{
d=i;
deleted=true;
}
}
if(deleted)
msnObjects.erase(d);
return deleted;
}
bool MSNObject::getMSNObjectXMLByType(int Type, std::string & xml)
{
if(msnObjects.empty()) return false;
std::list<MSNObjectUnit>::iterator i = msnObjects.begin();
for( ; i!=msnObjects.end();i++)
{
if((*i).Type == Type)
{
xml = (*i).XMLString;
return true;
}
}
return false;
}
bool MSNObject::getMSNObjectRealPath(std::string xml, std::string & realpath)
{
if(msnObjects.empty()) return false;
XMLNode msnObject = XMLNode::parseString(xml.c_str());
std::string SHA1D = msnObject.getAttribute("SHA1D",0);
std::list<MSNObjectUnit>::iterator i = msnObjects.begin();
for( ; i!=msnObjects.end();i++)
{
// using SHA1D to ensure if we have this file, even if the name is different
if((*i).SHA1D == SHA1D)
{
realpath = (*i).realLocation;
return true;
}
}
return false;
}
}
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