modules/iplogger.php
author Dan
Sat, 15 Nov 2008 15:33:51 -0500
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permissions -rw-r--r--
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<?php
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eb_hook('event_raw_message', 'iplogger_log_join($message);');
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function iplogger_log_join($message)
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{
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  if ( $message['action'] == 'JOIN' )
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  {
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    $nick = mysql_real_escape_string($message['nick']);
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    $basenick = basenick($nick);
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    $host = mysql_real_escape_string($message['host']);
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    $ip = ( $_ = @resolve_ip($message['host'], $message['user']) ) ? mysql_real_escape_string($_) : '0.0.0.0';
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    $channel = mysql_real_escape_string($message['message']);
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    $time = time();
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    $query = "DELETE FROM ip_log WHERE
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                nick = '$nick' AND
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                basenick = '$basenick' AND
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                ip = '$ip' AND
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                hostname = '$host' AND
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                channel = '$channel';";
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    eb_mysql_query($query);
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    $query = "INSERT INTO ip_log ( nick, basenick, ip, hostname, channel, time ) VALUES(
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                '$nick',
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                '$basenick',
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                '$ip',
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                '$host',
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                '$channel',
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                $time
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              );";
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    eb_mysql_query($query);
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  }
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  else if ( $message['ACTION'] == 'NICK' )
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  {
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    // this is for cross-referencing purposes.
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    $nick = mysql_real_escape_string($message['message']);
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    $basenick = basenick($message['nick']);
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    $host = mysql_real_escape_string($message['host']);
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    $ip = ( $_ = @resolve_ip($message['host'], $message['user']) ) ? mysql_real_escape_string($_) : '0.0.0.0';
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    $channel = '__nickchange';
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    $time = time();
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    $query = "DELETE FROM ip_log WHERE
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                nick = '$nick' AND
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                basenick = '$basenick' AND
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                ip = '$ip' AND
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                hostname = '$host' AND
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                channel = '$channel';";
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    eb_mysql_query($query);
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    $query = "INSERT INTO ip_log ( nick, basenick, ip, hostname, channel, time ) VALUES(
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                '$nick',
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                '$basenick',
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                '$ip',
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                '$host',
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                '$channel',
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                $time
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              );";
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    eb_mysql_query($query);
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  }
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}
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/**
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 * Attempt to eliminate mini-statuses and such from nicknames.
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 * @example
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 <code>
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 $basenick = basenick('enanobot|debug');
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 // $basenick = 'enanobot'
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 </code>
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 * @param string Nickname
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 * @return string
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 */
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function basenick($nick)
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{
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  if ( preg_match('/^`/', $nick) )
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  {
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    $nick = substr($nick, 1);
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  }
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  return preg_replace('/(`|\|)(.+?)$/', '', $nick);
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}
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/**
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 * Resolve an IP address. First goes by checking if it's a mibbit or CGI-IRC IP/user, then performs lookups accordingly.
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 * @param string Hostname
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 * @param string Username
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 * @return string IP address
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 */
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function resolve_ip($host, $user)
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{
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  if ( $host == 'webchat.mibbit.com' )
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  {
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    return hex2ipv4($user);
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  }
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  return gethostbyname($host);
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}
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function hex2ipv4($ip)
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{
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  $ip = preg_replace('/^0x/', '', $ip);
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  $ip = str_split($ip, 2);
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  foreach ( $ip as &$byte )
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  {
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    $byte = hexdec($byte);
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  }
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  return implode('.', $ip);
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}