134 lines
3.4 KiB
PHP
134 lines
3.4 KiB
PHP
<?php
|
|
|
|
namespace SilverStripe\EnvironmentCheck\Checks;
|
|
|
|
use SilverStripe\EnvironmentCheck\EnvironmentCheck;
|
|
|
|
/**
|
|
* Checks that one or more URLs are reachable via HTTP.
|
|
* Note that the HTTP connectivity can just be verified from the server to the remote URL,
|
|
* it can still fail if the URL in question is requested by the client, e.g. through an iframe.
|
|
*
|
|
* Requires curl to present, so ensure to check it before with the following:
|
|
* <code>EnvironmentCheckSuite::register('check', 'HasFunctionCheck("curl_init")', "Does PHP have CURL support?");</code>
|
|
*
|
|
* @package environmentcheck
|
|
*/
|
|
class ExternalURLCheck implements EnvironmentCheck
|
|
{
|
|
/**
|
|
* @var array
|
|
*/
|
|
protected $urls = array();
|
|
|
|
/**
|
|
* @var Int Timeout in seconds.
|
|
*/
|
|
protected $timeout;
|
|
|
|
/**
|
|
* @param string $urls Space-separated list of absolute URLs.
|
|
* @param int $timeout
|
|
*/
|
|
public function __construct($urls, $timeout = 15)
|
|
{
|
|
if ($urls) {
|
|
$this->urls = explode(' ', $urls);
|
|
}
|
|
$this->timeout = $timeout;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*
|
|
* @return array
|
|
*/
|
|
public function check()
|
|
{
|
|
$urls = $this->getURLs();
|
|
|
|
$chs = array();
|
|
foreach ($urls as $url) {
|
|
$ch = curl_init();
|
|
$chs[] = $ch;
|
|
curl_setopt_array($ch, $this->getCurlOpts($url));
|
|
}
|
|
// Parallel execution for faster performance
|
|
$mh = curl_multi_init();
|
|
foreach ($chs as $ch) {
|
|
curl_multi_add_handle($mh, $ch);
|
|
}
|
|
|
|
$active = null;
|
|
// Execute the handles
|
|
do {
|
|
$mrc = curl_multi_exec($mh, $active);
|
|
curl_multi_select($mh);
|
|
} while ($active > 0);
|
|
|
|
while ($active && $mrc == CURLM_OK) {
|
|
if (curl_multi_select($mh) != -1) {
|
|
do {
|
|
$mrc = curl_multi_exec($mh, $active);
|
|
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
|
|
}
|
|
}
|
|
|
|
$hasError = false;
|
|
$msgs = array();
|
|
foreach ($chs as $ch) {
|
|
$url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
|
|
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
|
|
if (curl_errno($ch) || $code >= 400) {
|
|
$hasError = true;
|
|
$msgs[] = sprintf(
|
|
'Error retrieving "%s": %s (Code: %s)',
|
|
$url,
|
|
curl_error($ch),
|
|
$code
|
|
);
|
|
} else {
|
|
$msgs[] = sprintf(
|
|
'Success retrieving "%s" (Code: %s)',
|
|
$url,
|
|
$code
|
|
);
|
|
}
|
|
}
|
|
|
|
// Close the handles
|
|
foreach ($chs as $ch) {
|
|
curl_multi_remove_handle($mh, $ch);
|
|
}
|
|
curl_multi_close($mh);
|
|
|
|
if ($hasError) {
|
|
return array(EnvironmentCheck::ERROR, implode(', ', $msgs));
|
|
}
|
|
|
|
return array(EnvironmentCheck::OK, implode(', ', $msgs));
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
protected function getCurlOpts($url)
|
|
{
|
|
return array(
|
|
CURLOPT_URL => $url,
|
|
CURLOPT_HEADER => 0,
|
|
CURLOPT_RETURNTRANSFER => 1,
|
|
CURLOPT_FAILONERROR => 1,
|
|
CURLOPT_TIMEOUT => $this->timeout,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
protected function getURLs()
|
|
{
|
|
return $this->urls;
|
|
}
|
|
}
|