Imported existing code

indra/newview/llurlwhitelist.cpp

@@ -0,0 +1,221 @@
+/** 
+ * @file llurlwhitelist.cpp
+ * @author Callum Prentice
+ * @brief maintains a "white list" of acceptable URLS that are stored on disk
+ *
+ * $LicenseInfo:firstyear=2005&license=viewergpl$
+ * 
+ * Copyright (c) 2005-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#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 );
+	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 );
+
+	// open a file for writing
+	llofstream file ( resolvedFilename );
+	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;
+}