pamela/macs.php

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<?php
/*
Copyright 2009 Pieter Iserbyt
This file is part of Pamela.
Pamela is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Pamela 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Pamela. If not, see <http://www.gnu.org/licenses/>.
*/
header("Content-type: application/javascript");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Cache-Control: no-cache");
header("Pragma: no-cache");
require_once("config.php");
require_once("lib/util.php");
require_once("lib/trans.php");
// [ "00:01:e8:04:99:be", "00:05:4e:40:1e:97", "00:0c:f1:16:10:ba", "00:0c:f1:1d:dc:70", "00:0e:35:96:c7:ff", "00:11:85:6a:1f:ec", ]
function translator($mac) {
global $mac_translation_table;
if (array_key_exists($mac, $mac_translation_table))
return $mac_translation_table[$mac];
return $mac;
}
class Macs {
private $macs;
function __construct() {
$this->macs = array();
}
private function readFile($filename) {
$mcs = file_get_contents($filename);
$this->macs = array_merge($this->macs, explode(',', $mcs));
}
private function readFiles($directory) {
$macFiles = scandir($directory);
foreach ($macFiles as $macFile) {
if (preg_match("/.+\.macs$/", $macFile) != 1)
continue;
$filename = "$directory/$macFile";
// data is too old, remove
if (filemtime($filename) + MACFILE_TTL < time()) {
unlink($filename);
continue;
}
$this->readFile($filename);
}
}
private function cleanUp() {
$this->macs = array_unique($this->macs);
}
private function translate() {
$this->macs = array_map("translator", $this->macs);
}
private function createJson() {
if (count($this->macs) < 1) {
echo '[]';
return;
}
echo '["';
echo implode('", "', $this->macs);
echo '"]';
}
public function run() {
$this->readFiles(OUTPUT_SERVER_DIRECTORY);
$this->cleanUp();
$this->translate();
$this->createJson();
}
}
$macs = new Macs();
$macs->run();