rss-bridge/actions/ConnectivityAction.php
2024-08-07 00:21:06 +02:00

66 lines
2.1 KiB
PHP

<?php
/**
* Checks if the website for a given bridge is reachable.
*
* **Remarks**
* - This action is only available in debug mode.
* - Returns the bridge status as Json-formatted string.
* - Returns an error if the bridge is not whitelisted.
* - Returns a responsive web page that automatically checks all whitelisted
* bridges (using JavaScript) if no bridge is specified.
*/
class ConnectivityAction implements ActionInterface
{
private BridgeFactory $bridgeFactory;
public function __construct()
{
$this->bridgeFactory = new BridgeFactory();
}
public function __invoke(Request $request): Response
{
if (!Debug::isEnabled()) {
return new Response('This action is only available in debug mode!', 403);
}
$bridgeName = $request->get('bridge');
if (!$bridgeName) {
return new Response(render_template('connectivity.html.php'));
}
$bridgeClassName = $this->bridgeFactory->createBridgeClassName($bridgeName);
if (!$bridgeClassName) {
return new Response('Bridge not found', 404);
}
return $this->reportBridgeConnectivity($bridgeClassName);
}
private function reportBridgeConnectivity($bridgeClassName)
{
if (!$this->bridgeFactory->isEnabled($bridgeClassName)) {
throw new \Exception('Bridge is not whitelisted!');
}
$bridge = $this->bridgeFactory->create($bridgeClassName);
$curl_opts = [
CURLOPT_CONNECTTIMEOUT => 5,
CURLOPT_FOLLOWLOCATION => true,
];
$result = [
'bridge' => $bridgeClassName,
'successful' => false,
'http_code' => null,
];
try {
$response = getContents($bridge::URI, [], $curl_opts, true);
$result['http_code'] = $response->getCode();
if (in_array($result['http_code'], [200])) {
$result['successful'] = true;
}
} catch (\Exception $e) {
}
return new Response(Json::encode($result), 200, ['content-type' => 'text/json']);
}
}