RetroShare/libretroshare/src/serialiser/rsgxsiditems.cc

681 lines
17 KiB
C++

/*
* libretroshare/src/serialiser: rsgxsiditems.cc
*
* RetroShare C++ Interface.
*
* Copyright 2012-2012 by Robert Fernie
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2.1 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*/
#include <iostream>
#include "rsgxsiditems.h"
#include "serialiser/rstlvbase.h"
#include "serialiser/rsbaseserial.h"
#include "serialiser/rstlvstring.h"
#include "util/rsstring.h"
#define GXSID_DEBUG 1
RsItem* RsGxsIdSerialiser::deserialise(void* data, uint32_t* size)
{
/* get the type and size */
uint32_t rstype = getRsItemId(data);
if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) || (RS_SERVICE_GXS_TYPE_GXSID != getRsItemService(rstype)))
return NULL; /* wrong type */
switch(getRsItemSubType(rstype))
{
case RS_PKT_SUBTYPE_GXSID_GROUP_ITEM: return deserialise_GxsIdGroupItem(data, size);
case RS_PKT_SUBTYPE_GXSID_LOCAL_INFO_ITEM: return deserialise_GxsIdLocalInfoItem(data, size);
#if 0
case RS_PKT_SUBTYPE_GXSID_OPINION_ITEM: return deserialise_GxsIdOpinionItem(data, size);
case RS_PKT_SUBTYPE_GXSID_COMMENT_ITEM: return deserialise_GxsIdCommentItem(data, size);
#endif
default:
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialise(): unknown subtype";
std::cerr << std::endl;
#endif
break;
}
return NULL;
}
bool RsGxsIdItem::serialise_header(void *data,uint32_t& pktsize,uint32_t& tlvsize, uint32_t& offset)
{
tlvsize = serial_size() ;
offset = 0;
if (pktsize < tlvsize)
return false; /* not enough space */
pktsize = tlvsize;
if(!setRsItemHeader(data, tlvsize, PacketId(), tlvsize))
{
std::cerr << "RsItem::serialise_header(): ERROR. Not enough size!" << std::endl;
return false ;
}
offset += 8;
return true ;
}
/*****************************************************************************************/
/*****************************************************************************************/
/*****************************************************************************************/
void RsGxsIdLocalInfoItem::clear()
{
mTimeStamps.clear() ;
}
void RsGxsIdGroupItem::clear()
{
mPgpIdHash.clear();
mPgpIdSign.clear();
mRecognTags.clear();
mImage.TlvClear();
}
uint32_t RsGxsIdLocalInfoItem::serial_size()
{
uint32_t s = 8 ; // header
s += 4 ; // number of items
s += mTimeStamps.size() * (RsGxsId::SIZE_IN_BYTES + 8) ;
return s;
}
std::ostream& RsGxsIdLocalInfoItem::print(std::ostream& out, uint16_t indent)
{
printRsItemBase(out, "RsGxsIdLocalInfoItem", indent);
uint16_t int_Indent = indent + 2;
// convert from binary to hex.
for(std::map<RsGxsId,time_t>::const_iterator it(mTimeStamps.begin());it!=mTimeStamps.end();++it)
out << it->first << " : " << it->second << std::endl;
printRsItemEnd(out ,"RsGxsIdLocalInfoItem", indent);
return out;
}
std::ostream& RsGxsIdGroupItem::print(std::ostream& out, uint16_t indent)
{
printRsItemBase(out, "RsGxsIdGroupItem", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
out << "MetaData: " << meta << std::endl;
printIndent(out, int_Indent);
out << "PgpIdHash: " << mPgpIdHash << std::endl;
printIndent(out, int_Indent);
std::string signhex;
// convert from binary to hex.
for(unsigned int i = 0; i < mPgpIdSign.length(); i++)
{
rs_sprintf_append(signhex, "%02x", (uint32_t) ((uint8_t) mPgpIdSign[i]));
}
out << "PgpIdSign: " << signhex << std::endl;
printIndent(out, int_Indent);
out << "RecognTags:" << std::endl;
RsTlvStringSetRef set(TLV_TYPE_RECOGNSET, mRecognTags);
set.print(out, int_Indent + 2);
printRsItemEnd(out ,"RsGxsIdGroupItem", indent);
return out;
}
uint32_t RsGxsIdGroupItem::serial_size()
{
uint32_t s = 8; // header
s += Sha1CheckSum::SIZE_IN_BYTES;
s += GetTlvStringSize(mPgpIdSign);
RsTlvStringSetRef set(TLV_TYPE_RECOGNSET, mRecognTags);
s += set.TlvSize();
s += mImage.TlvSize() ;
return s;
}
bool RsGxsIdLocalInfoItem::serialise(void *data, uint32_t& size)
{
uint32_t tlvsize,offset=0;
bool ok = true;
if(!serialise_header(data,size,tlvsize,offset))
return false ;
ok &= setRawUInt32(data, tlvsize, &offset, mTimeStamps.size()) ;
for(std::map<RsGxsId,time_t>::const_iterator it = mTimeStamps.begin();it!=mTimeStamps.end();++it)
{
ok &= it->first.serialise(data,tlvsize,offset) ;
ok &= setRawTimeT(data,tlvsize,&offset,it->second) ;
}
if(offset != tlvsize)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::serialiseGxsIdGroupItem() FAIL Size Error! " << std::endl;
#endif
ok = false;
}
#ifdef GXSID_DEBUG
if (!ok)
{
std::cerr << "RsGxsIdSerialiser::serialiseGxsIdgroupItem() NOK" << std::endl;
}
#endif
return ok;
}
bool RsGxsIdGroupItem::serialise(void *data, uint32_t& size)
{
uint32_t tlvsize,offset=0;
bool ok = true;
if(!serialise_header(data,size,tlvsize,offset))
return false ;
/* GxsIdGroupItem */
ok &= mPgpIdHash.serialise(data, tlvsize, offset);
ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_SIGN, mPgpIdSign);
RsTlvStringSetRef set(TLV_TYPE_RECOGNSET, mRecognTags);
ok &= set.SetTlv(data, tlvsize, &offset);
ok &= mImage.SetTlv(data,tlvsize,&offset) ;
if(offset != tlvsize)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::serialiseGxsIdGroupItem() FAIL Size Error! " << std::endl;
#endif
ok = false;
}
#ifdef GXSID_DEBUG
if (!ok)
{
std::cerr << "RsGxsIdSerialiser::serialiseGxsIdgroupItem() NOK" << std::endl;
}
#endif
return ok;
}
bool RsGxsIdGroupItem::fromGxsIdGroup(RsGxsIdGroup &group, bool moveImage)
{
clear();
meta = group.mMeta;
mPgpIdHash = group.mPgpIdHash;
mPgpIdSign = group.mPgpIdSign;
mRecognTags = group.mRecognTags;
if (moveImage)
{
mImage.binData.bin_data = group.mImage.mData;
mImage.binData.bin_len = group.mImage.mSize;
group.mImage.shallowClear();
}
else
{
mImage.binData.setBinData(group.mImage.mData, group.mImage.mSize);
}
return true ;
}
bool RsGxsIdGroupItem::toGxsIdGroup(RsGxsIdGroup &group, bool moveImage)
{
group.mMeta = meta;
group.mPgpIdHash = mPgpIdHash;
group.mPgpIdSign = mPgpIdSign;
group.mRecognTags = mRecognTags;
if (moveImage)
{
group.mImage.take((uint8_t *) mImage.binData.bin_data, mImage.binData.bin_len);
// mImage doesn't have a ShallowClear at the moment!
mImage.binData.TlvShallowClear();
}
else
{
group.mImage.copy((uint8_t *) mImage.binData.bin_data, mImage.binData.bin_len);
}
return true ;
}
RsGxsIdGroupItem* RsGxsIdSerialiser::deserialise_GxsIdGroupItem(void *data, uint32_t *size)
{
/* get the type and size */
uint32_t rstype = getRsItemId(data);
uint32_t rssize = getRsItemSize(data);
uint32_t offset = 0;
if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
(RS_SERVICE_GXS_TYPE_GXSID != getRsItemService(rstype)) ||
(RS_PKT_SUBTYPE_GXSID_GROUP_ITEM != getRsItemSubType(rstype)))
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdGroupItem() FAIL wrong type" << std::endl;
#endif
return NULL; /* wrong type */
}
if (*size < rssize) /* check size */
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdGroupItem() FAIL wrong size" << std::endl;
#endif
return NULL; /* not enough data */
}
/* set the packet length */
*size = rssize;
bool ok = true;
RsGxsIdGroupItem* item = new RsGxsIdGroupItem();
/* skip the header */
offset += 8;
ok &= item->mPgpIdHash.deserialise(data, rssize, offset);
ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_SIGN, item->mPgpIdSign);
RsTlvStringSetRef set(TLV_TYPE_RECOGNSET, item->mRecognTags);
ok &= set.GetTlv(data, rssize, &offset);
// image is optional,so that we can continue reading old items.
if(offset < rssize)
ok &= item->mImage.GetTlv(data,rssize,&offset) ;
if (offset != rssize)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdGroupItem() FAIL size mismatch" << std::endl;
#endif
/* error */
delete item;
return NULL;
}
if (!ok)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdGroupItem() NOK" << std::endl;
#endif
delete item;
return NULL;
}
return item;
}
RsGxsIdLocalInfoItem *RsGxsIdSerialiser::deserialise_GxsIdLocalInfoItem(void *data, uint32_t *size)
{
/* get the type and size */
uint32_t rstype = getRsItemId(data);
uint32_t rssize = getRsItemSize(data);
uint32_t offset = 0;
if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
(RS_SERVICE_GXS_TYPE_GXSID != getRsItemService(rstype)) ||
(RS_PKT_SUBTYPE_GXSID_LOCAL_INFO_ITEM != getRsItemSubType(rstype)))
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdGroupItem() FAIL wrong type" << std::endl;
#endif
return NULL; /* wrong type */
}
if (*size < rssize) /* check size */
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdGroupItem() FAIL wrong size" << std::endl;
#endif
return NULL; /* not enough data */
}
/* set the packet length */
*size = rssize;
bool ok = true;
RsGxsIdLocalInfoItem* item = new RsGxsIdLocalInfoItem();
/* skip the header */
offset += 8;
uint32_t n=0 ;
ok &= getRawUInt32(data, rssize, &offset, &n) ;
for(int i=0;ok && i<n;++i)
{
RsGxsId gxsid ;
time_t TS ;
ok &= gxsid.deserialise(data,rssize,offset) ;
ok &= getRawTimeT(data,rssize,&offset,TS) ;
item->mTimeStamps[gxsid] = TS ;
}
if (offset != rssize)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdGroupItem() FAIL size mismatch" << std::endl;
#endif
/* error */
delete item;
return NULL;
}
if (!ok)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdGroupItem() NOK" << std::endl;
#endif
delete item;
return NULL;
}
return item;
}
/*****************************************************************************************/
/*****************************************************************************************/
/*****************************************************************************************/
#if 0
void RsGxsIdOpinionItem::clear()
{
opinion.mOpinion = 0;
opinion.mReputation = 0;
opinion.mComment = "";
}
std::ostream& RsGxsIdOpinionItem::print(std::ostream& out, uint16_t indent)
{
printRsItemBase(out, "RsGxsIdOpinionItem", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
out << "Opinion: " << opinion.mOpinion << std::endl;
printIndent(out, int_Indent);
out << "Reputation: " << opinion.mReputation << std::endl;
printIndent(out, int_Indent);
out << "Comment: " << opinion.mComment << std::endl;
printRsItemEnd(out ,"RsGxsIdOpinionItem", indent);
return out;
}
uint32_t RsGxsIdOpinionItem::serial_size()
{
const RsGxsIdOpinion& opinion = item->opinion;
uint32_t s = 8; // header
s += 4; // mOpinion.
s += 4; // mReputation.
s += GetTlvStringSize(opinion.mComment);
return s;
}
bool RsGxsIdOpinionItem::serialise(void *data, uint32_t *size)
{
uint32_t tlvsize,offset=0;
bool ok = true;
if(!serialise_header(data,size,tlvsize,offset))
return false ;
/* GxsIdOpinionItem */
ok &= setRawUInt32(data, tlvsize, &offset, item->opinion.mOpinion);
ok &= setRawUInt32(data, tlvsize, &offset, item->opinion.mReputation);
ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_COMMENT, item->opinion.mComment);
if(offset != tlvsize)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::serialiseGxsIdOpinionItem() FAIL Size Error! " << std::endl;
#endif
ok = false;
}
#ifdef GXSID_DEBUG
if (!ok)
{
std::cerr << "RsGxsIdSerialiser::serialiseGxsIdgroupItem() NOK" << std::endl;
}
#endif
return ok;
}
RsGxsIdOpinionItem* RsGxsIdSerialiser::deserialise_GxsIdOpinionItem(void *data, uint32_t *size)
{
/* get the type and size */
uint32_t rstype = getRsItemId(data);
uint32_t rssize = getRsItemSize(data);
uint32_t offset = 0;
if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
(RS_SERVICE_GXS_TYPE_GXSID != getRsItemService(rstype)) ||
(RS_PKT_SUBTYPE_GXSID_OPINION_ITEM != getRsItemSubType(rstype)))
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdOpinionItem() FAIL wrong type" << std::endl;
#endif
return NULL; /* wrong type */
}
if (*size < rssize) /* check size */
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdOpinionItem() FAIL wrong size" << std::endl;
#endif
return NULL; /* not enough data */
}
/* set the packet length */
*size = rssize;
bool ok = true;
RsGxsIdOpinionItem* item = new RsGxsIdOpinionItem();
/* skip the header */
offset += 8;
ok &= getRawUInt32(data, rssize, &offset, &(item->opinion.mOpinion));
ok &= getRawUInt32(data, rssize, &offset, &(item->opinion.mReputation));
ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_COMMENT, item->opinion.mComment);
if (offset != rssize)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdOpinionItem() FAIL size mismatch" << std::endl;
#endif
/* error */
delete item;
return NULL;
}
if (!ok)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdOpinionItem() NOK" << std::endl;
#endif
delete item;
return NULL;
}
return item;
}
/*****************************************************************************************/
/*****************************************************************************************/
/*****************************************************************************************/
void RsGxsIdCommentItem::clear()
{
comment.mComment.clear();
}
std::ostream& RsGxsIdCommentItem::print(std::ostream& out, uint16_t indent)
{
printRsItemBase(out, "RsGxsIdCommentItem", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
out << "Comment: " << comment.mComment << std::endl;
printRsItemEnd(out ,"RsGxsIdCommentItem", indent);
return out;
}
uint32_t RsGxsIdCommentItem::serial_size()
{
const RsGxsIdComment& comment = item->comment;
uint32_t s = 8; // header
s += GetTlvStringSize(comment.mComment);
return s;
}
bool RsGxsIdCommentItem::serialise(void *data, uint32_t *size)
{
uint32_t tlvsize,offset=0;
bool ok = true;
if(!serialise_header(data,size,tlvsize,offset))
return false ;
/* GxsIdCommentItem */
ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_COMMENT, item->comment.mComment);
if(offset != tlvsize)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::serialiseGxsIdCommentItem() FAIL Size Error! " << std::endl;
#endif
ok = false;
}
#ifdef GXSID_DEBUG
if (!ok)
{
std::cerr << "RsGxsIdSerialiser::serialiseGxsIdgroupItem() NOK" << std::endl;
}
#endif
return ok;
}
RsGxsIdCommentItem* RsGxsIdSerialiser::deserialise_GxsIdCommentItem(void *data, uint32_t *size)
{
/* get the type and size */
uint32_t rstype = getRsItemId(data);
uint32_t rssize = getRsItemSize(data);
uint32_t offset = 0;
if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
(RS_SERVICE_GXS_TYPE_GXSID != getRsItemService(rstype)) ||
(RS_PKT_SUBTYPE_GXSID_COMMENT_ITEM != getRsItemSubType(rstype)))
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdCommentItem() FAIL wrong type" << std::endl;
#endif
return NULL; /* wrong type */
}
if (*size < rssize) /* check size */
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdCommentItem() FAIL wrong size" << std::endl;
#endif
return NULL; /* not enough data */
}
/* set the packet length */
*size = rssize;
bool ok = true;
RsGxsIdCommentItem* item = new RsGxsIdCommentItem();
/* skip the header */
offset += 8;
ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_COMMENT, item->comment.mComment);
if (offset != rssize)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdCommentItem() FAIL size mismatch" << std::endl;
#endif
/* error */
delete item;
return NULL;
}
if (!ok)
{
#ifdef GXSID_DEBUG
std::cerr << "RsGxsIdSerialiser::deserialiseGxsIdCommentItem() NOK" << std::endl;
#endif
delete item;
return NULL;
}
return item;
}
#endif
/*****************************************************************************************/
/*****************************************************************************************/
/*****************************************************************************************/