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/*
* Modification History
*
* 2002-August-2 Jason Rohrer
* Created.
* Fixed a buffer size error.
*
* 2002-September-17 Jason Rohrer
* Changed to use the SettingsManager.
*
* 2002-November-9 Jason Rohrer
* Added support for matching address patterns.
*
* 2003-September-5 Jason Rohrer
* Moved into minorGems.
*/
#include "ConnectionPermissionHandler.h"
#include "minorGems/io/file/File.h"
#include "minorGems/util/SettingsManager.h"
ConnectionPermissionHandler::ConnectionPermissionHandler() {
SimpleVector<char *> *addressVector =
SettingsManager::getSetting( "allowedWebHosts" );
int numAddresses = addressVector->size();
mPermittedAddresses = new SimpleVector<HostAddress *>();
mPermittedPatterns = new SimpleVector<char *>();
for( int i=0; i<numAddresses; i++ ) {
char *addressString = *( addressVector->getElement( i ) );
char *starLocation = strstr( addressString, "*" );
if( starLocation == NULL ) {
// an address
mPermittedAddresses->push_back(
new HostAddress( addressString, 0 ) );
}
else {
// an address pattern
mPermittedPatterns->push_back( addressString );
}
}
delete addressVector;
}
ConnectionPermissionHandler::~ConnectionPermissionHandler() {
int numAddresses = mPermittedAddresses->size();
int i;
for( i=0; i<numAddresses; i++ ) {
HostAddress *address = *( mPermittedAddresses->getElement( i ) );
delete address;
}
int numPatterns = mPermittedPatterns->size();
for( i=0; i<numPatterns; i++ ) {
char *pattern = *( mPermittedPatterns->getElement( i ) );
delete [] pattern;
}
delete mPermittedAddresses;
delete mPermittedPatterns;
}
char ConnectionPermissionHandler::isPermitted( HostAddress *inAddress ) {
int numAddresses = mPermittedAddresses->size();
int i;
for( i=0; i<numAddresses; i++ ) {
HostAddress *address = *( mPermittedAddresses->getElement( i ) );
if( address->equals( inAddress ) ) {
return true;
}
}
// didn't match any address exactly
// check if it matches one of our patterns
HostAddress* numericalAddress = inAddress->getNumericalAddress();
if( numericalAddress == NULL ) {
return false;
}
char *addressString = numericalAddress->mAddressString;
int numPatterns = mPermittedPatterns->size();
char foundMatch = false;
for( i=0; i<numPatterns && !foundMatch; i++ ) {
char *pattern = *( mPermittedPatterns->getElement( i ) );
int patternLength = strlen( pattern );
int addressLength = strlen( addressString );
char done = false;
for( int j=0; j<patternLength && j<addressLength && !done; j++ ) {
if( pattern[j] == '*' ) {
foundMatch = true;
done = true;
}
else if( pattern[j] != addressString[j] ) {
done = true;
foundMatch = false;
}
}
}
delete numericalAddress;
return foundMatch;
}
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