<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
namespace Friendica\Network;
use Friendica\Core\Logger;
+use Friendica\Core\System;
use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Util\Network;
*/
private $header;
+ /**
+ * @var array the HTTP headers of the Curl call
+ */
+ private $header_fields;
+
/**
* @var boolean true (if HTTP 2xx result) or false
*/
* @param string $url optional URL
*
* @return CurlResult a CURL with error response
+ * @throws InternalServerErrorException
*/
public static function createErrorCurl($url = '')
{
$this->body = substr($result, strlen($header));
$this->header = $header;
+ $this->header_fields = []; // Is filled on demand
}
private function checkSuccess()
}
if (!$this->isSuccess) {
- Logger::log('error: ' . $this->url . ': ' . $this->returnCode . ' - ' . $this->error, Logger::INFO);
- Logger::log('debug: ' . print_r($this->info, true), Logger::DATA);
+ Logger::error('error', ['url' => $this->url, 'code' => $this->returnCode, 'error' => $this->error, 'callstack' => System::callstack(20)]);
+ Logger::debug('debug', ['info' => $this->info]);
}
if (!$this->isSuccess && $this->errorNumber == CURLE_OPERATION_TIMEDOUT) {
}
if ($this->returnCode == 301 || $this->returnCode == 302 || $this->returnCode == 303 || $this->returnCode== 307) {
- $redirect_parts = parse_url($this->info['redirect_url']);
- if (preg_match('/(Location:|URI:)(.*?)\n/i', $this->header, $matches)) {
- $redirect_parts = array_merge($redirect_parts, parse_url(trim(array_pop($matches))));
+ $redirect_parts = parse_url($this->info['redirect_url'] ?? '');
+ if (empty($redirect_parts)) {
+ $redirect_parts = [];
}
- $parts = parse_url($this->info['url']);
+ if (preg_match('/(Location:|URI:)(.*?)\n/i', $this->header, $matches)) {
+ $redirect_parts2 = parse_url(trim(array_pop($matches)));
+ if (!empty($redirect_parts2)) {
+ $redirect_parts = array_merge($redirect_parts, $redirect_parts2);
+ }
+ }
- if (empty($redirect_parts['scheme']) && !empty($parts['scheme'])) {
- $redirect_parts['scheme'] = $parts['scheme'];
+ $parts = parse_url($this->info['url'] ?? '');
+ if (empty($parts)) {
+ $parts = [];
}
- if (empty($redirect_parts['host']) && !empty($parts['host'])) {
- $redirect_parts['host'] = $parts['host'];
+ /// @todo Checking the corresponding RFC which parts of a redirect can be ommitted.
+ $components = ['scheme', 'host', 'path', 'query', 'fragment'];
+ foreach ($components as $component) {
+ if (empty($redirect_parts[$component]) && !empty($parts[$component])) {
+ $redirect_parts[$component] = $parts[$component];
+ }
}
$this->redirectUrl = Network::unparseURL($redirect_parts);
- $this->isRedirectUrl = filter_var($this->redirectUrl, FILTER_VALIDATE_URL) !== false;
+ $this->isRedirectUrl = true;
} else {
$this->isRedirectUrl = false;
}
/**
* Returns the Curl headers
*
- * @return string the Curl headers
+ * @param string $field optional header field. Return all fields if empty
+ *
+ * @return string the Curl headers or the specified content of the header variable
*/
- public function getHeader()
+ public function getHeader(string $field = '')
{
- return $this->header;
+ if (empty($field)) {
+ return $this->header;
+ }
+
+ $field = strtolower(trim($field));
+
+ $headers = $this->getHeaderArray();
+
+ if (isset($headers[$field])) {
+ return $headers[$field];
+ }
+
+ return '';
+ }
+
+ /**
+ * Check if a specified header exists
+ *
+ * @param string $field header field
+ *
+ * @return boolean "true" if header exists
+ */
+ public function inHeader(string $field)
+ {
+ $field = strtolower(trim($field));
+
+ $headers = $this->getHeaderArray();
+
+ return array_key_exists($field, $headers);
+ }
+
+ /**
+ * Returns the Curl headers as an associated array
+ *
+ * @return array associated header array
+ */
+ public function getHeaderArray()
+ {
+ if (!empty($this->header_fields)) {
+ return $this->header_fields;
+ }
+
+ $this->header_fields = [];
+
+ $lines = explode("\n", trim($this->header));
+ foreach ($lines as $line) {
+ $parts = explode(':', $line);
+ $headerfield = strtolower(trim(array_shift($parts)));
+ $headerdata = trim(implode(':', $parts));
+ $this->header_fields[$headerfield] = $headerdata;
+ }
+
+ return $this->header_fields;
}
/**