mirror of
https://github.com/RSS-Bridge/rss-bridge.git
synced 2025-07-30 21:30:14 +02:00
fix: rewrite and improve caching (#3594)
This commit is contained in:
Dag
GitHub
252
lib/http.php
Normal file
252
lib/http.php
Normal file
@@ -0,0 +1,252 @@
|
||||
<?php
|
||||
|
||||
class HttpException extends \Exception
|
||||
{
|
||||
}
|
||||
|
||||
final class CloudFlareException extends HttpException
|
||||
{
|
||||
}
|
||||
|
||||
interface HttpClient
|
||||
{
|
||||
public function request(string $url, array $config = []): Response;
|
||||
}
|
||||
|
||||
final class CurlHttpClient implements HttpClient
|
||||
{
|
||||
public function request(string $url, array $config = []): Response
|
||||
{
|
||||
$defaults = [
|
||||
'useragent' => null,
|
||||
'timeout' => 5,
|
||||
'headers' => [],
|
||||
'proxy' => null,
|
||||
'curl_options' => [],
|
||||
'if_not_modified_since' => null,
|
||||
'retries' => 3,
|
||||
'max_filesize' => null,
|
||||
'max_redirections' => 5,
|
||||
];
|
||||
$config = array_merge($defaults, $config);
|
||||
|
||||
$ch = curl_init($url);
|
||||
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
|
||||
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
|
||||
curl_setopt($ch, CURLOPT_MAXREDIRS, $config['max_redirections']);
|
||||
curl_setopt($ch, CURLOPT_HEADER, false);
|
||||
$httpHeaders = [];
|
||||
foreach ($config['headers'] as $name => $value) {
|
||||
$httpHeaders[] = sprintf('%s: %s', $name, $value);
|
||||
}
|
||||
curl_setopt($ch, CURLOPT_HTTPHEADER, $httpHeaders);
|
||||
if ($config['useragent']) {
|
||||
curl_setopt($ch, CURLOPT_USERAGENT, $config['useragent']);
|
||||
}
|
||||
curl_setopt($ch, CURLOPT_TIMEOUT, $config['timeout']);
|
||||
curl_setopt($ch, CURLOPT_ENCODING, '');
|
||||
curl_setopt($ch, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
|
||||
|
||||
if ($config['max_filesize']) {
|
||||
// This option inspects the Content-Length header
|
||||
curl_setopt($ch, CURLOPT_MAXFILESIZE, $config['max_filesize']);
|
||||
curl_setopt($ch, CURLOPT_NOPROGRESS, false);
|
||||
// This progress function will monitor responses who omit the Content-Length header
|
||||
curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, function ($ch, $downloadSize, $downloaded, $uploadSize, $uploaded) use ($config) {
|
||||
if ($downloaded > $config['max_filesize']) {
|
||||
// Return a non-zero value to abort the transfer
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
});
|
||||
}
|
||||
|
||||
if ($config['proxy']) {
|
||||
curl_setopt($ch, CURLOPT_PROXY, $config['proxy']);
|
||||
}
|
||||
if (curl_setopt_array($ch, $config['curl_options']) === false) {
|
||||
throw new \Exception('Tried to set an illegal curl option');
|
||||
}
|
||||
|
||||
if ($config['if_not_modified_since']) {
|
||||
curl_setopt($ch, CURLOPT_TIMEVALUE, $config['if_not_modified_since']);
|
||||
curl_setopt($ch, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
|
||||
}
|
||||
|
||||
$responseStatusLines = [];
|
||||
$responseHeaders = [];
|
||||
curl_setopt($ch, CURLOPT_HEADERFUNCTION, function ($ch, $rawHeader) use (&$responseHeaders, &$responseStatusLines) {
|
||||
$len = strlen($rawHeader);
|
||||
if ($rawHeader === "\r\n") {
|
||||
return $len;
|
||||
}
|
||||
if (preg_match('#^HTTP/(2|1.1|1.0)#', $rawHeader)) {
|
||||
$responseStatusLines[] = trim($rawHeader);
|
||||
return $len;
|
||||
}
|
||||
$header = explode(':', $rawHeader);
|
||||
if (count($header) === 1) {
|
||||
return $len;
|
||||
}
|
||||
$name = mb_strtolower(trim($header[0]));
|
||||
$value = trim(implode(':', array_slice($header, 1)));
|
||||
if (!isset($responseHeaders[$name])) {
|
||||
$responseHeaders[$name] = [];
|
||||
}
|
||||
$responseHeaders[$name][] = $value;
|
||||
return $len;
|
||||
});
|
||||
|
||||
$attempts = 0;
|
||||
while (true) {
|
||||
$attempts++;
|
||||
$data = curl_exec($ch);
|
||||
if ($data !== false) {
|
||||
// The network call was successful, so break out of the loop
|
||||
break;
|
||||
}
|
||||
if ($attempts > $config['retries']) {
|
||||
// Finally give up
|
||||
$curl_error = curl_error($ch);
|
||||
$curl_errno = curl_errno($ch);
|
||||
throw new HttpException(sprintf(
|
||||
'cURL error %s: %s (%s) for %s',
|
||||
$curl_error,
|
||||
$curl_errno,
|
||||
'https://curl.haxx.se/libcurl/c/libcurl-errors.html',
|
||||
$url
|
||||
));
|
||||
}
|
||||
}
|
||||
|
||||
$statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
|
||||
curl_close($ch);
|
||||
return new Response($data, $statusCode, $responseHeaders);
|
||||
}
|
||||
}
|
||||
|
||||
final class Response
|
||||
{
|
||||
public const STATUS_CODES = [
|
||||
'100' => 'Continue',
|
||||
'101' => 'Switching Protocols',
|
||||
'200' => 'OK',
|
||||
'201' => 'Created',
|
||||
'202' => 'Accepted',
|
||||
'203' => 'Non-Authoritative Information',
|
||||
'204' => 'No Content',
|
||||
'205' => 'Reset Content',
|
||||
'206' => 'Partial Content',
|
||||
'300' => 'Multiple Choices',
|
||||
'301' => 'Moved Permanently',
|
||||
'302' => 'Found',
|
||||
'303' => 'See Other',
|
||||
'304' => 'Not Modified',
|
||||
'305' => 'Use Proxy',
|
||||
'400' => 'Bad Request',
|
||||
'401' => 'Unauthorized',
|
||||
'402' => 'Payment Required',
|
||||
'403' => 'Forbidden',
|
||||
'404' => 'Not Found',
|
||||
'405' => 'Method Not Allowed',
|
||||
'406' => 'Not Acceptable',
|
||||
'407' => 'Proxy Authentication Required',
|
||||
'408' => 'Request Timeout',
|
||||
'409' => 'Conflict',
|
||||
'410' => 'Gone',
|
||||
'411' => 'Length Required',
|
||||
'412' => 'Precondition Failed',
|
||||
'413' => 'Request Entity Too Large',
|
||||
'414' => 'Request-URI Too Long',
|
||||
'415' => 'Unsupported Media Type',
|
||||
'416' => 'Requested Range Not Satisfiable',
|
||||
'417' => 'Expectation Failed',
|
||||
'429' => 'Too Many Requests',
|
||||
'500' => 'Internal Server Error',
|
||||
'501' => 'Not Implemented',
|
||||
'502' => 'Bad Gateway',
|
||||
'503' => 'Service Unavailable',
|
||||
'504' => 'Gateway Timeout',
|
||||
'505' => 'HTTP Version Not Supported'
|
||||
];
|
||||
private string $body;
|
||||
private int $code;
|
||||
private array $headers;
|
||||
|
||||
public function __construct(
|
||||
string $body = '',
|
||||
int $code = 200,
|
||||
array $headers = []
|
||||
) {
|
||||
$this->body = $body;
|
||||
$this->code = $code;
|
||||
$this->headers = [];
|
||||
|
||||
foreach ($headers as $name => $value) {
|
||||
$name = mb_strtolower($name);
|
||||
if (!isset($this->headers[$name])) {
|
||||
$this->headers[$name] = [];
|
||||
}
|
||||
if (is_string($value)) {
|
||||
$this->headers[$name][] = $value;
|
||||
}
|
||||
if (is_array($value)) {
|
||||
$this->headers[$name] = $value;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public function getBody()
|
||||
{
|
||||
return $this->body;
|
||||
}
|
||||
|
||||
public function getCode()
|
||||
{
|
||||
return $this->code;
|
||||
}
|
||||
|
||||
public function getStatusLine(): string
|
||||
{
|
||||
return self::STATUS_CODES[$this->code] ?? '';
|
||||
}
|
||||
|
||||
public function getHeaders()
|
||||
{
|
||||
return $this->headers;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return string[]|string|null
|
||||
*/
|
||||
public function getHeader(string $name, bool $all = false)
|
||||
{
|
||||
$name = mb_strtolower($name);
|
||||
$header = $this->headers[$name] ?? null;
|
||||
if (!$header) {
|
||||
return null;
|
||||
}
|
||||
if ($all) {
|
||||
return $header;
|
||||
}
|
||||
return array_pop($header);
|
||||
}
|
||||
|
||||
public function withBody(string $body): Response
|
||||
{
|
||||
$clone = clone $this;
|
||||
$clone->body = $body;
|
||||
return $clone;
|
||||
}
|
||||
|
||||
public function send(): void
|
||||
{
|
||||
http_response_code($this->code);
|
||||
foreach ($this->headers as $name => $values) {
|
||||
foreach ($values as $value) {
|
||||
header(sprintf('%s: %s', $name, $value));
|
||||
}
|
||||
}
|
||||
print $this->body;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user