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/**
* @file llurlwhitelist.cpp
* @author Callum Prentice
* @brief maintains a "white list" of acceptable URLS that are stored on disk
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llurlwhitelist.h"
#include <iostream>
#include <fstream>
LLUrlWhiteList* LLUrlWhiteList::sInstance = 0;
///////////////////////////////////////////////////////////////////////////////
//
LLUrlWhiteList::LLUrlWhiteList () :
mLoaded ( false ),
mFilename ( "url_whitelist.ini" ),
mUrlList ( 0 ),
mCurIndex ( 0 )
{
}
///////////////////////////////////////////////////////////////////////////////
//
LLUrlWhiteList::~LLUrlWhiteList ()
{
}
///////////////////////////////////////////////////////////////////////////////
//static
void LLUrlWhiteList::initClass ()
{
if ( ! sInstance )
{
sInstance = new LLUrlWhiteList ();
}
}
//static
void LLUrlWhiteList::cleanupClass ()
{
delete sInstance;
sInstance = NULL;
}
LLUrlWhiteList* LLUrlWhiteList::getInstance ()
{
return sInstance;
}
///////////////////////////////////////////////////////////////////////////////
//
bool LLUrlWhiteList::load ()
{
// don't load if we're already loaded
if ( mLoaded )
return ( true );
// remove current entries before we load over them
clear ();
// build filename for each user
std::string resolvedFilename = gDirUtilp->getExpandedFilename ( LL_PATH_PER_SL_ACCOUNT, mFilename );
// open a file for reading
llifstream file(resolvedFilename.c_str());
if ( file.is_open () )
{
// add each line in the file to the list
std::string line;
while ( std::getline ( file, line ) )
{
addItem ( line, false );
};
file.close ();
// flag as loaded
mLoaded = true;
return true;
};
return false;
}
///////////////////////////////////////////////////////////////////////////////
//
bool LLUrlWhiteList::save ()
{
// build filename for each user
std::string resolvedFilename = gDirUtilp->getExpandedFilename ( LL_PATH_PER_SL_ACCOUNT, mFilename );
if (resolvedFilename.empty())
{
LL_INFOS() << "No per-user dir for saving URL whitelist - presumably not logged in yet. Skipping." << LL_ENDL;
return false;
}
// open a file for writing
llofstream file(resolvedFilename.c_str());
if ( file.is_open () )
{
// for each entry we have
for ( string_list_t::iterator iter = mUrlList.begin (); iter != mUrlList.end (); ++iter )
{
file << ( *iter ) << std::endl;
}
file.close ();
return true;
};
return false;
}
///////////////////////////////////////////////////////////////////////////////
//
bool LLUrlWhiteList::clear ()
{
mUrlList.clear ();
mCurIndex = 0;
return true;
}
std::string url_cleanup(std::string pattern)
{
LLStringUtil::trim(pattern);
S32 length = pattern.length();
S32 position = 0;
std::string::reverse_iterator it = pattern.rbegin();
++it; // skip last char, might be '/'
++position;
for (; it < pattern.rend(); ++it)
{
char c = *it;
if (c == '/')
{
// found second to last '/'
S32 desired_length = length - position;
LLStringUtil::truncate(pattern, desired_length);
break;
}
++position;
}
return pattern;
}
///////////////////////////////////////////////////////////////////////////////
//
bool LLUrlWhiteList::addItem ( const std::string& itemIn, bool saveAfterAdd )
{
std::string item = url_cleanup(itemIn);
mUrlList.push_back ( item );
// use this when all you want to do is call addItem ( ... ) where necessary
if ( saveAfterAdd )
save ();
return true;
}
///////////////////////////////////////////////////////////////////////////////
//
bool LLUrlWhiteList::getFirst ( std::string& valueOut )
{
if ( mUrlList.size () == 0 )
return false;
mCurIndex = 0;
valueOut = mUrlList[mCurIndex++];
return true;
}
///////////////////////////////////////////////////////////////////////////////
//
bool LLUrlWhiteList::getNext ( std::string& valueOut )
{
if ( mCurIndex >= mUrlList.size () )
return false;
valueOut = mUrlList[mCurIndex++];
return true;
}
///////////////////////////////////////////////////////////////////////////////
//
bool LLUrlWhiteList::containsMatch ( const std::string& patternIn )
{
return false;
}
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