<?php
/************************************************************
 * logip - a class to interface with a log of ip numbers
 *
 * copyright 2007: Tim Pushman 'jalal @ gnomedia'
 * Licensed under the GPL
 *
 * The format of the log file is like this:
 *
 * 218.237.232.98 2007-09-12 #comment post
 * 218.239.208.167 2007-09-12 #bad robots.txt
 * 219.205.240.97 2007-09-12 #harvester
 *
************************************************************/
class logip {
  var $logfile;
  var $date = 'None';
  var $map;

  function logip() {
    $this->logfile = $_SERVER['DOCUMENT_ROOT'] . "blogspam.log";
  }

  function add( $ipnum, $reason = '', $date = '' ) {
    if( empty( $date ) ) {
      $this->date = date( "Y-m-d" );
    } else {
      $this->date = $date;
    }
    if( !empty( $reason ) ) {
      $this->reason = $reason;
    }
    if( empty( $this->map ) ) {
      $this->_fillmap();
    }
    $this->map[$ipnum] = array( 'date' => $this->date, 'reason' => $this->reason);

    if(!($fh = fopen( $this->logfile,"w"))) return;
    fwrite( $fh, $this->tostring() );
    fclose($fh);
  }

  function exists( $ipnum ) {
    $res = false;
    if( empty( $this->map ) ) {
      $this->_fillmap();
    }
    if( isset($this->map[$ipnum]) ) {
      $res = true;
    }
    return $res;
  }

  function get( $ipnum ) {
    $res = array();
    if( empty( $this->map ) ) {
      $this->_fillmap();
    }
    if( isset($this->map[$ipnum]) ) {
      $a = $this->map[$ipnum];
      $res = array( 'date' => $a['date'], 'reason' => $a['reason'] );
    }
    return $res;
  }

  function getall() {
    if( empty( $this->map ) ) {
      $this->_fillmap();
    }
    return $this->map;
  }

  function tostring() {
    if( empty( $this->map ) ) {
      $this->_fillmap();
    }
    $str = '';
    foreach( $this->map as $k => $v ) {
      $str .= $k . ' ' . $v['date'];
      if( !empty($v['reason']) ) {
        $str .= ' #' . $v['reason'];
      }
      $str .= "\n";
    }
    return $str;
  }

  function _fillmap() {
    $this->map = array();
    if( file_exists($this->logfile) ) {
      $arr = file( $this->logfile );
      foreach( $arr as $line ) {
        $line = trim($line);
        if( empty($line) ) continue;
        $pos = strpos($line, '#');
        $desc = ($pos?substr($line,$pos+1):'');
        list($fip, $fdate) = @split( ' ', $line );
        $this->map[$fip] = array( 'date' => $fdate, 'reason' => $desc );
      }
    }
  }
}
?>