jonnybarnes.uk/app/Jobs/DownloadWebMention.php

97 lines
2.7 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Jobs;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Filesystem\FileNotFoundException;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\FileSystem\FileSystem;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
class DownloadWebMention implements ShouldQueue
{
use InteractsWithQueue;
use Queueable;
use SerializesModels;
/**
* The webmention source URL.
*
* @var string
*/
protected $source;
/**
* Create a new job instance.
*
* @param string $source
*/
public function __construct(string $source)
{
$this->source = $source;
}
/**
* Execute the job.
*
* @param Client $guzzle
*
* @throws GuzzleException
* @throws FileNotFoundException
*/
public function handle(Client $guzzle)
{
$response = $guzzle->request('GET', $this->source);
//4XX and 5XX responses should get Guzzle to throw an exception,
//Laravel should catch and retry these automatically.
if ($response->getStatusCode() == '200') {
$filesystem = new FileSystem();
$filename = storage_path('HTML') . '/' . $this->createFilenameFromURL($this->source);
//backup file first
$filenameBackup = $filename . '.' . date('Y-m-d') . '.backup';
if ($filesystem->exists($filename)) {
$filesystem->copy($filename, $filenameBackup);
}
//check if base directory exists
if (! $filesystem->exists($filesystem->dirname($filename))) {
$filesystem->makeDirectory(
$filesystem->dirname($filename),
0755, //mode
true //recursive
);
}
//save new HTML
$filesystem->put(
$filename,
(string) $response->getBody()
);
//remove backup if the same
if ($filesystem->exists($filenameBackup)) {
if ($filesystem->get($filename) == $filesystem->get($filenameBackup)) {
$filesystem->delete($filenameBackup);
}
}
}
}
/**
* Create a file path from a URL. This is used when caching the HTML response.
*
* @param string $url
* @return string The path name
*/
private function createFilenameFromURL(string $url)
{
$filepath = str_replace(['https://', 'http://'], ['https/', 'http/'], $url);
if (substr($filepath, -1) == '/') {
$filepath .= 'index.html';
}
return $filepath;
}
}