forked from friendica/friendica-directory
92 lines
2.1 KiB
PHP
92 lines
2.1 KiB
PHP
<?php
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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namespace Friendica\Directory\Utils;
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/**
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* Description of Network
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*
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* @author Hypolite Petovan <mrpetovan@gmail.com>
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*/
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class Network
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{
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public static function fetchURL(string $url, bool $binary = false, int $timeout = 20): string
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{
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$ch = curl_init($url);
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if (!$ch) {
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return false;
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}
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curl_setopt($ch, CURLOPT_HEADER, 0);
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curl_setopt($ch, CURLOPT_TIMEOUT, max($timeout, 1)); //Minimum of 1 second timeout.
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_MAXREDIRS, 8);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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if ($binary) {
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curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
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}
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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$s = curl_exec($ch);
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curl_close($ch);
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return $s;
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}
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public static function testURL(string $url, int $timeout = 20): bool
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{
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$ch = curl_init($url);
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if (!$ch) {
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return false;
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}
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curl_setopt($ch, CURLOPT_HEADER , 0);
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curl_setopt($ch, CURLOPT_TIMEOUT , max($timeout, 1)); //Minimum of 1 second timeout.
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_MAXREDIRS , 8);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
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curl_setopt($ch, CURLOPT_NOBODY , true);
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curl_exec($ch);
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$responseCode = intval(curl_getinfo($ch, CURLINFO_RESPONSE_CODE));
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$testSuccess = curl_errno($ch) === 0 && $responseCode < 400;
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curl_close($ch);
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return $testSuccess;
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}
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/**
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* Check if a hostname is public and non-reserved
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*
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* @param string $host
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* @return bool
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*/
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public static function isPublicHost(string $host): bool
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{
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if (!$host) {
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return false;
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}
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if ($host === 'localhost') {
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return false;
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}
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// RFC 2606
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if ($host === 'example.com' || $host === 'example.net' || $host === 'example.org') {
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return false;
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}
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if (filter_var($host, FILTER_VALIDATE_IP) && !filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
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return false;
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}
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return true;
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}
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}
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