clrghouz/app/Classes/FTN.php

80 lines
1.6 KiB
PHP

<?php
namespace App\Classes;
use App\Models\{Address,Zone};
abstract class FTN
{
protected ?Zone $zone; // Zone the packet is from
public function __get($key)
{
switch ($key) {
case 'fftn':
return sprintf('%d:%d/%d.%d',
$this->fz,
$this->fn,
$this->ff,
$this->fp,
).($this->zone ? sprintf('@%s',$this->zone->domain->name) : '');
case 'tftn':
return sprintf('%d:%d/%d.%d',
$this->tz,
$this->tn,
$this->tf,
$this->tp,
).($this->zone ? sprintf('@%s',$this->zone->domain->name) : '');
case 'fftn_o':
return Address::findFTN($this->fftn);
case 'tftn_o':
return Address::findFTN($this->tftn);
default:
throw new \Exception('Unknown key: '.$key);
}
}
/**
* Determine if a line is a kludge line.
*
* @param string $kludge
* @param string $string
* @return string
*/
protected function kludge(string $kludge,string $string)
{
return (preg_match("/^{$kludge}/",$string))
? chop(preg_replace("/^{$kludge}/",'',$string),"\r")
: FALSE;
}
/**
* This function creates our unpack header
*
* @param array $pack
* @return string
* @throws \Exception
*/
protected static function unpackheader(array $pack): string
{
// Check that our header is correct
if (app()->environment('local')) {
$c = 0;
foreach (collect($pack) as $item) {
if ($c !== $item[0])
throw new \Exception('Invalid header');
$c += $item[2];
}
}
return collect($pack)
->sortBy(function($k,$v) {return $k[0];})
->transform(function($k,$v) {return $k[1].$v;})
->values()
->join('/');
}
}