<?php
use Google\CloudFunctions\FunctionsFramework;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use GuzzleHttp\Psr7\Response;
// Register the function with Functions Framework.
// This enables omitting the `FUNCTIONS_SIGNATURE_TYPE=http` environment
// variable when deploying. The `FUNCTION_TARGET` environment variable should
// match the first parameter.
FunctionsFramework::http('helloHttp', 'helloHttp');
function helloHttp(ServerRequestInterface $request)
{
$headers = ['Access-Control-Allow-Origin' => '*'];
$statusCode = 204;
if ($request->getMethod() === 'OPTIONS') {
// Send response to OPTIONS requests
$headers = array_merge($headers, [
'Access-Control-Allow-Methods' => 'GET',
'Access-Control-Allow-Headers' => 'Content-Type',
'Access-Control-Max-Age' => '3600'
]);
return new Response($statusCode, $headers, '');
}
$name = 'World';
$body = $request->getBody()->getContents();
if (!empty($body)) {
$json = json_decode($body, true);
if (json_last_error() != JSON_ERROR_NONE) {
throw new RuntimeException(sprintf(
'Could not parse body: %s',
json_last_error_msg()
));
}
$name = $json['name'] ?? $name;
}
$queryString = $request->getQueryParams();
$name = $queryString['name'] ?? $name;
$statusCode = 200;
return new Response($statusCode, $headers, json_encode(['message' => sprintf('Hello, %s!', htmlspecialchars($name))]), '');
}
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