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<?php
namespace p3k\XRay;
class Rels {
private $http;
public function __construct($http) {
$this->http = $http;
}
public function parse($url, $opts=[]) {
if(isset($opts['timeout']))
$this->http->set_timeout($opts['timeout']);
if(isset($opts['max_redirects']))
$this->http->set_max_redirects($opts['max_redirects']);
$scheme = parse_url($url, PHP_URL_SCHEME);
if(!in_array($scheme, ['http','https'])) {
return [
'error' => 'invalid_url',
'error_description' => 'Only http and https URLs are supported'
];
}
$host = parse_url($url, PHP_URL_HOST);
if(!$host) {
return [
'error' => 'invalid_url',
'error_description' => 'The URL provided was not valid'
];
}
$url = normalize_url($url);
$result = $this->http->get($url);
$html = $result['body'];
$mf2 = \mf2\Parse($html, $result['url']);
$rels = $result['rels'];
if(isset($mf2['rels'])) {
$rels = array_merge($rels, $mf2['rels']);
}
// Resolve all relative URLs
foreach($rels as $rel=>$values) {
foreach($values as $i=>$value) {
$value = \mf2\resolveUrl($result['url'], $value);
$rels[$rel][$i] = $value;
}
}
if(count($rels) == 0)
$rels = new \StdClass;
return [
'url' => $result['url'],
'code' => $result['code'],
'rels' => $rels
];
}
}