CAtomDicti *DecodeDicti( const string &x, unsigned long iStart )
{
unsigned long i = iStart + 1;
CAtomDicti *pDicti = new CAtomDicti( );
while( i < x.size( ) && x[i] != 'e' )
{
CAtom *pKey = Decode( x, i );
if( pKey && dynamic_cast<CAtomString *>( pKey ) )
{
i += pKey->EncodedLength( );
string strKey = pKey->toString( );
delete pKey;
if( i < x.size( ) )
{
CAtom *pValue = Decode( x, i );
if( pValue )
{
i += pValue->EncodedLength( );
pDicti->setItem( strKey, pValue );
}
else
{
UTIL_LogPrint( "error decoding dictionary - error decoding value, discarding dictionary\n" );
delete pDicti;
return NULL;
}
}
}
else
{
UTIL_LogPrint( "error decoding dictionary - error decoding key, discarding dictionary\n" );
delete pDicti;
return NULL;
}
}
return pDicti;
}
inline CAtomList *UTIL_DecodeHTTPPost( const string &cstrPost )
{
// find the boundary
string :: size_type iBoundary = cstrPost.find( C_STR_BOUNDARY );
if( iBoundary == string :: npos )
return 0;
iBoundary += ( sizeof(C_STR_BOUNDARY) - 1 );
string strBoundary = cstrPost.substr( iBoundary );
const string :: size_type ciBoundEnd( strBoundary.find( C_STR_NEWLINE ) );
if( ciBoundEnd == string :: npos )
return 0;
strBoundary = strBoundary.substr( 0, ciBoundEnd );
// strBoundary now contains the boundary
string :: size_type iContent = cstrPost.find( C_STR_DOUBLE_NEWLINE );
if( iContent == string :: npos )
return 0;
iContent += ( sizeof(C_STR_DOUBLE_NEWLINE) - 1 );
const string cstrContent( cstrPost.substr( iContent ) );
// decode
CAtomList *pList = new CAtomList( );
CAtomDicti *pSegment = 0;
string :: size_type iSegStart = 0;
string :: size_type iSegEnd = 0;
string :: size_type iDispPrev = 0;
string :: size_type iDispPos = 0;
CAtomDicti *pDisp = 0;
string strSeg = string( );
string strDisp = string( );
string :: size_type iDispStart = 0;
string :: size_type iDispEnd = 0;
string strCurr = string( );
string :: size_type iSplit = 0;
string :: size_type iKeyStart = 0;
string strKey = string( );
string strValue = string( );
string :: size_type iDataStart = 0;
bool bDoSegmentLoop = true;
while( bDoSegmentLoop )
{
// segment start
iSegStart = cstrContent.find( strBoundary, iSegStart );
if( iSegStart == string :: npos )
return pList;
iSegStart += strBoundary.size( );
if( cstrContent.substr( iSegStart, 2 ) == C_STR_SEGSTART )
return pList;
iSegStart += ( sizeof(C_STR_SEGSTART) - 1 );
// segment end
iSegEnd = cstrContent.find( strBoundary, iSegStart );
if( iSegEnd == string :: npos )
{
UTIL_LogPrint( string( gmapLANG_CFG["decode_http_post_end"] + "\n" ).c_str( ) );
delete pList;
pList = 0;
return 0;
}
iSegEnd -= ( sizeof(C_STR_SEGEND) - 1 );
// found segment
pSegment = new CAtomDicti( );
pList->addItem( pSegment );
// this could do with some serious optimizing...
strSeg = cstrContent.substr( iSegStart, iSegEnd - iSegStart );
iDispStart = strSeg.find( C_STR_DISPSTART );
if( iDispStart == string :: npos )
{
UTIL_LogPrint( string( gmapLANG_CFG["decode_http_post_notfound"] + "\n" ).c_str( ) );
delete pList;
pList = 0;
return 0;
}
iDispStart += ( sizeof(C_STR_DISPSTART) - 1 );
iDispEnd = strSeg.find( C_STR_NEWLINE, iDispStart );
if( iDispEnd == string :: npos )
{
UTIL_LogPrint( string( gmapLANG_CFG["decode_http_post_disposition"] + "\n" ).c_str( ) );
delete pList;
pList = 0;
return 0;
}
strDisp = strSeg.substr( iDispStart, iDispEnd - iDispStart );
iDispPrev = 0;
iDispPos = 0;
pDisp = new CAtomDicti( );
pSegment->setItem( "disposition", pDisp );
bool bDoItemLoop = true;
while( bDoItemLoop )
{
// assume a semicolon indicates the end of the item and will never appear inside the item (probably a bad assumption)
iDispPrev = iDispPos;
iDispPos = strDisp.find( C_STR_ITEMEND, iDispPos );
if( iDispPos == string :: npos )
{
// decode last item
iDispPos = strDisp.size( );
}
strCurr = strDisp.substr( iDispPrev, iDispPos - iDispPrev );
iSplit = strCurr.find( C_STR_ITEMEQ );
if( iSplit == string :: npos )
{
// found a key without value, i.e. "form-data", useless so ignore it
if( iDispPos == strDisp.size( ) )
break;
// + strlen( ";" )
iDispPos++;
continue;
}
// strip whitespace
iKeyStart = strCurr.find_first_not_of( C_STR_WSPACE );
if( iKeyStart == string :: npos || iKeyStart > iSplit )
{
UTIL_LogPrint( string( gmapLANG_CFG["decode_http_post_disposition"] + "\n" ).c_str( ) );
delete pList;
pList = 0;
return 0;
}
strKey = strCurr.substr( iKeyStart, iSplit - iKeyStart );
strValue = strCurr.substr( iSplit + 1 );
// strip quotes
if( strValue.size( ) > 1 && strValue[0] == CHAR_QUOTE )
strValue = strValue.substr( 1, strValue.size( ) - 2 );
pDisp->setItem( strKey, new CAtomString( strValue ) );
if( iDispPos == strDisp.size( ) )
bDoItemLoop = false;
// + strlen( ";" )
iDispPos++;
}
// data
iDataStart = strSeg.find( C_STR_DOUBLE_NEWLINE );
if( iDataStart == string :: npos )
{
UTIL_LogPrint( string( gmapLANG_CFG["decode_http_post_segment"] + "\n" ).c_str( ) );
delete pList;
pList = 0;
return 0;
}
iDataStart += ( sizeof(C_STR_DOUBLE_NEWLINE) - 1 );
pSegment->setItem( "data", new CAtomString( strSeg.substr( iDataStart ) ) );
}
// this should never happen, so who cares
delete pList;
pList = 0;
return 0;
}