<?php
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\Response;
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class Rels {
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public $http;
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private $_pretty = false;
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public function __construct() {
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$this->http = new p3k\HTTP();
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}
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private function respond(Response $response, $code, $params, $headers=[]) {
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$response->setStatusCode($code);
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foreach($headers as $k=>$v) {
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$response->headers->set($k, $v);
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}
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$response->headers->set('Content-Type', 'application/json');
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$opts = JSON_UNESCAPED_SLASHES;
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if($this->_pretty) $opts += JSON_PRETTY_PRINT;
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$response->setContent(json_encode($params, $opts)."\n");
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return $response;
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}
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public function fetch(Request $request, Response $response) {
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$opts = [];
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if($request->get('timeout')) {
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// We might make 2 HTTP requests, so each request gets half the desired timeout
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$opts['timeout'] = $request->get('timeout') / 2;
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}
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if($request->get('max_redirects')) {
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$opts['max_redirects'] = (int)$request->get('max_redirects');
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}
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if($request->get('pretty')) {
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$this->_pretty = true;
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}
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$url = $request->get('url');
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if(!$url) {
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return $this->respond($response, 400, [
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'error' => 'missing_url',
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'error_description' => 'Provide a URL to fetch'
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]);
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}
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$xray = new p3k\XRay();
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$xray->http = $this->http;
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$res = $xray->rels($url, $opts);
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return $this->respond($response, !empty($res['error']) ? 400 : 200, $res);
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}
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}
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