385 lines
13 KiB
PHP
385 lines
13 KiB
PHP
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<?php
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namespace GuzzleHttp;
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use GuzzleHttp\Exception\InvalidArgumentException;
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use GuzzleHttp\Handler\CurlHandler;
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use GuzzleHttp\Handler\CurlMultiHandler;
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use GuzzleHttp\Handler\Proxy;
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use GuzzleHttp\Handler\StreamHandler;
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use Psr\Http\Message\UriInterface;
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final class Utils
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{
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/**
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* Debug function used to describe the provided value type and class.
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*
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* @param mixed $input
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*
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* @return string Returns a string containing the type of the variable and
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* if a class is provided, the class name.
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*/
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public static function describeType($input): string
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{
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switch (\gettype($input)) {
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case 'object':
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return 'object('.\get_class($input).')';
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case 'array':
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return 'array('.\count($input).')';
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default:
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\ob_start();
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\var_dump($input);
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// normalize float vs double
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/** @var string $varDumpContent */
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$varDumpContent = \ob_get_clean();
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return \str_replace('double(', 'float(', \rtrim($varDumpContent));
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}
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}
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/**
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* Parses an array of header lines into an associative array of headers.
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*
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* @param iterable $lines Header lines array of strings in the following
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* format: "Name: Value"
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*/
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public static function headersFromLines(iterable $lines): array
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{
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$headers = [];
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foreach ($lines as $line) {
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$parts = \explode(':', $line, 2);
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$headers[\trim($parts[0])][] = isset($parts[1]) ? \trim($parts[1]) : null;
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}
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return $headers;
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}
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/**
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* Returns a debug stream based on the provided variable.
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*
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* @param mixed $value Optional value
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*
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* @return resource
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*/
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public static function debugResource($value = null)
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{
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if (\is_resource($value)) {
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return $value;
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}
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if (\defined('STDOUT')) {
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return \STDOUT;
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}
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return Psr7\Utils::tryFopen('php://output', 'w');
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}
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/**
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* Chooses and creates a default handler to use based on the environment.
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*
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* The returned handler is not wrapped by any default middlewares.
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*
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* @return callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface Returns the best handler for the given system.
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*
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* @throws \RuntimeException if no viable Handler is available.
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*/
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public static function chooseHandler(): callable
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{
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$handler = null;
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if (\defined('CURLOPT_CUSTOMREQUEST') && \function_exists('curl_version') && version_compare(curl_version()['version'], '7.21.2') >= 0) {
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if (\function_exists('curl_multi_exec') && \function_exists('curl_exec')) {
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$handler = Proxy::wrapSync(new CurlMultiHandler(), new CurlHandler());
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} elseif (\function_exists('curl_exec')) {
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$handler = new CurlHandler();
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} elseif (\function_exists('curl_multi_exec')) {
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$handler = new CurlMultiHandler();
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}
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}
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if (\ini_get('allow_url_fopen')) {
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$handler = $handler
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? Proxy::wrapStreaming($handler, new StreamHandler())
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: new StreamHandler();
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} elseif (!$handler) {
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throw new \RuntimeException('GuzzleHttp requires cURL, the allow_url_fopen ini setting, or a custom HTTP handler.');
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}
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return $handler;
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}
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/**
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* Get the default User-Agent string to use with Guzzle.
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*/
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public static function defaultUserAgent(): string
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{
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return sprintf('GuzzleHttp/%d', ClientInterface::MAJOR_VERSION);
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}
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/**
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* Returns the default cacert bundle for the current system.
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*
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* First, the openssl.cafile and curl.cainfo php.ini settings are checked.
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* If those settings are not configured, then the common locations for
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* bundles found on Red Hat, CentOS, Fedora, Ubuntu, Debian, FreeBSD, OS X
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* and Windows are checked. If any of these file locations are found on
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* disk, they will be utilized.
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*
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* Note: the result of this function is cached for subsequent calls.
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*
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* @throws \RuntimeException if no bundle can be found.
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*
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* @deprecated Utils::defaultCaBundle will be removed in guzzlehttp/guzzle:8.0. This method is not needed in PHP 5.6+.
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*/
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public static function defaultCaBundle(): string
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{
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static $cached = null;
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static $cafiles = [
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// Red Hat, CentOS, Fedora (provided by the ca-certificates package)
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'/etc/pki/tls/certs/ca-bundle.crt',
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// Ubuntu, Debian (provided by the ca-certificates package)
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'/etc/ssl/certs/ca-certificates.crt',
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// FreeBSD (provided by the ca_root_nss package)
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'/usr/local/share/certs/ca-root-nss.crt',
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// SLES 12 (provided by the ca-certificates package)
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'/var/lib/ca-certificates/ca-bundle.pem',
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// OS X provided by homebrew (using the default path)
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'/usr/local/etc/openssl/cert.pem',
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// Google app engine
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'/etc/ca-certificates.crt',
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// Windows?
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'C:\\windows\\system32\\curl-ca-bundle.crt',
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'C:\\windows\\curl-ca-bundle.crt',
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];
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if ($cached) {
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return $cached;
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}
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if ($ca = \ini_get('openssl.cafile')) {
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return $cached = $ca;
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}
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if ($ca = \ini_get('curl.cainfo')) {
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return $cached = $ca;
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}
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foreach ($cafiles as $filename) {
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if (\file_exists($filename)) {
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return $cached = $filename;
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}
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}
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throw new \RuntimeException(
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<<< EOT
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No system CA bundle could be found in any of the the common system locations.
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PHP versions earlier than 5.6 are not properly configured to use the system's
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CA bundle by default. In order to verify peer certificates, you will need to
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supply the path on disk to a certificate bundle to the 'verify' request
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option: https://docs.guzzlephp.org/en/latest/request-options.html#verify. If
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you do not need a specific certificate bundle, then Mozilla provides a commonly
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used CA bundle which can be downloaded here (provided by the maintainer of
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cURL): https://curl.haxx.se/ca/cacert.pem. Once you have a CA bundle available
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on disk, you can set the 'openssl.cafile' PHP ini setting to point to the path
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to the file, allowing you to omit the 'verify' request option. See
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https://curl.haxx.se/docs/sslcerts.html for more information.
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EOT
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);
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}
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/**
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* Creates an associative array of lowercase header names to the actual
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* header casing.
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*/
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public static function normalizeHeaderKeys(array $headers): array
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{
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$result = [];
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foreach (\array_keys($headers) as $key) {
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$result[\strtolower($key)] = $key;
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}
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return $result;
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}
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/**
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* Returns true if the provided host matches any of the no proxy areas.
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*
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* This method will strip a port from the host if it is present. Each pattern
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* can be matched with an exact match (e.g., "foo.com" == "foo.com") or a
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* partial match: (e.g., "foo.com" == "baz.foo.com" and ".foo.com" ==
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* "baz.foo.com", but ".foo.com" != "foo.com").
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*
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* Areas are matched in the following cases:
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* 1. "*" (without quotes) always matches any hosts.
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* 2. An exact match.
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* 3. The area starts with "." and the area is the last part of the host. e.g.
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* '.mit.edu' will match any host that ends with '.mit.edu'.
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*
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* @param string $host Host to check against the patterns.
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* @param string[] $noProxyArray An array of host patterns.
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*
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* @throws InvalidArgumentException
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*/
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public static function isHostInNoProxy(string $host, array $noProxyArray): bool
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{
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if (\strlen($host) === 0) {
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throw new InvalidArgumentException('Empty host provided');
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}
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// Strip port if present.
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[$host] = \explode(':', $host, 2);
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foreach ($noProxyArray as $area) {
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// Always match on wildcards.
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if ($area === '*') {
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return true;
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}
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if (empty($area)) {
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// Don't match on empty values.
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continue;
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}
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if ($area === $host) {
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// Exact matches.
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return true;
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}
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// Special match if the area when prefixed with ".". Remove any
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// existing leading "." and add a new leading ".".
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$area = '.'.\ltrim($area, '.');
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if (\substr($host, -\strlen($area)) === $area) {
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return true;
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}
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}
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return false;
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}
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/**
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* Wrapper for json_decode that throws when an error occurs.
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*
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* @param string $json JSON data to parse
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* @param bool $assoc When true, returned objects will be converted
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* into associative arrays.
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* @param int $depth User specified recursion depth.
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* @param int $options Bitmask of JSON decode options.
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*
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* @return object|array|string|int|float|bool|null
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*
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* @throws InvalidArgumentException if the JSON cannot be decoded.
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*
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* @see https://www.php.net/manual/en/function.json-decode.php
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*/
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public static function jsonDecode(string $json, bool $assoc = false, int $depth = 512, int $options = 0)
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{
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$data = \json_decode($json, $assoc, $depth, $options);
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if (\JSON_ERROR_NONE !== \json_last_error()) {
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throw new InvalidArgumentException('json_decode error: '.\json_last_error_msg());
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}
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return $data;
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}
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/**
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* Wrapper for JSON encoding that throws when an error occurs.
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*
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* @param mixed $value The value being encoded
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* @param int $options JSON encode option bitmask
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* @param int $depth Set the maximum depth. Must be greater than zero.
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*
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* @throws InvalidArgumentException if the JSON cannot be encoded.
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*
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* @see https://www.php.net/manual/en/function.json-encode.php
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*/
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public static function jsonEncode($value, int $options = 0, int $depth = 512): string
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{
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$json = \json_encode($value, $options, $depth);
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if (\JSON_ERROR_NONE !== \json_last_error()) {
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throw new InvalidArgumentException('json_encode error: '.\json_last_error_msg());
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}
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/** @var string */
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return $json;
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}
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/**
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* Wrapper for the hrtime() or microtime() functions
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* (depending on the PHP version, one of the two is used)
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*
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* @return float UNIX timestamp
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*
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* @internal
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*/
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public static function currentTime(): float
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{
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return (float) \function_exists('hrtime') ? \hrtime(true) / 1e9 : \microtime(true);
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}
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/**
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* @throws InvalidArgumentException
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*
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* @internal
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*/
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public static function idnUriConvert(UriInterface $uri, int $options = 0): UriInterface
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{
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if ($uri->getHost()) {
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$asciiHost = self::idnToAsci($uri->getHost(), $options, $info);
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if ($asciiHost === false) {
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$errorBitSet = $info['errors'] ?? 0;
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$errorConstants = array_filter(array_keys(get_defined_constants()), static function (string $name): bool {
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return substr($name, 0, 11) === 'IDNA_ERROR_';
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});
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$errors = [];
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foreach ($errorConstants as $errorConstant) {
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if ($errorBitSet & constant($errorConstant)) {
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$errors[] = $errorConstant;
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}
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}
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$errorMessage = 'IDN conversion failed';
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if ($errors) {
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$errorMessage .= ' (errors: '.implode(', ', $errors).')';
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}
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throw new InvalidArgumentException($errorMessage);
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}
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if ($uri->getHost() !== $asciiHost) {
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// Replace URI only if the ASCII version is different
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$uri = $uri->withHost($asciiHost);
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}
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}
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return $uri;
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}
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/**
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* @internal
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*/
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public static function getenv(string $name): ?string
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{
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if (isset($_SERVER[$name])) {
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return (string) $_SERVER[$name];
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}
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if (\PHP_SAPI === 'cli' && ($value = \getenv($name)) !== false && $value !== null) {
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return (string) $value;
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}
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return null;
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}
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/**
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* @return string|false
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*/
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private static function idnToAsci(string $domain, int $options, ?array &$info = [])
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{
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if (\function_exists('idn_to_ascii') && \defined('INTL_IDNA_VARIANT_UTS46')) {
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return \idn_to_ascii($domain, $options, \INTL_IDNA_VARIANT_UTS46, $info);
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}
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throw new \Error('ext-idn or symfony/polyfill-intl-idn not loaded or too old');
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||
|
|
}
|
||
|
|
}
|