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Diffstat (limited to 'vendor/guzzlehttp/guzzle/src/Utils.php')
| -rw-r--r-- | vendor/guzzlehttp/guzzle/src/Utils.php | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/guzzle/src/Utils.php b/vendor/guzzlehttp/guzzle/src/Utils.php new file mode 100644 index 000000000..fcf571d6b --- /dev/null +++ b/vendor/guzzlehttp/guzzle/src/Utils.php @@ -0,0 +1,385 @@ +<?php + +namespace GuzzleHttp; + +use GuzzleHttp\Exception\InvalidArgumentException; +use GuzzleHttp\Handler\CurlHandler; +use GuzzleHttp\Handler\CurlMultiHandler; +use GuzzleHttp\Handler\Proxy; +use GuzzleHttp\Handler\StreamHandler; +use Psr\Http\Message\UriInterface; + +final class Utils +{ + /** + * Debug function used to describe the provided value type and class. + * + * @param mixed $input + * + * @return string Returns a string containing the type of the variable and + * if a class is provided, the class name. + */ + public static function describeType($input): string + { + switch (\gettype($input)) { + case 'object': + return 'object('.\get_class($input).')'; + case 'array': + return 'array('.\count($input).')'; + default: + \ob_start(); + \var_dump($input); + // normalize float vs double + /** @var string $varDumpContent */ + $varDumpContent = \ob_get_clean(); + + return \str_replace('double(', 'float(', \rtrim($varDumpContent)); + } + } + + /** + * Parses an array of header lines into an associative array of headers. + * + * @param iterable $lines Header lines array of strings in the following + * format: "Name: Value" + */ + public static function headersFromLines(iterable $lines): array + { + $headers = []; + + foreach ($lines as $line) { + $parts = \explode(':', $line, 2); + $headers[\trim($parts[0])][] = isset($parts[1]) ? \trim($parts[1]) : null; + } + + return $headers; + } + + /** + * Returns a debug stream based on the provided variable. + * + * @param mixed $value Optional value + * + * @return resource + */ + public static function debugResource($value = null) + { + if (\is_resource($value)) { + return $value; + } + if (\defined('STDOUT')) { + return \STDOUT; + } + + return \GuzzleHttp\Psr7\Utils::tryFopen('php://output', 'w'); + } + + /** + * Chooses and creates a default handler to use based on the environment. + * + * The returned handler is not wrapped by any default middlewares. + * + * @return callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface Returns the best handler for the given system. + * + * @throws \RuntimeException if no viable Handler is available. + */ + public static function chooseHandler(): callable + { + $handler = null; + + if (\defined('CURLOPT_CUSTOMREQUEST')) { + if (\function_exists('curl_multi_exec') && \function_exists('curl_exec')) { + $handler = Proxy::wrapSync(new CurlMultiHandler(), new CurlHandler()); + } elseif (\function_exists('curl_exec')) { + $handler = new CurlHandler(); + } elseif (\function_exists('curl_multi_exec')) { + $handler = new CurlMultiHandler(); + } + } + + if (\ini_get('allow_url_fopen')) { + $handler = $handler + ? Proxy::wrapStreaming($handler, new StreamHandler()) + : new StreamHandler(); + } elseif (!$handler) { + throw new \RuntimeException('GuzzleHttp requires cURL, the allow_url_fopen ini setting, or a custom HTTP handler.'); + } + + return $handler; + } + + /** + * Get the default User-Agent string to use with Guzzle. + */ + public static function defaultUserAgent(): string + { + return sprintf('GuzzleHttp/%d', ClientInterface::MAJOR_VERSION); + } + + /** + * Returns the default cacert bundle for the current system. + * + * First, the openssl.cafile and curl.cainfo php.ini settings are checked. + * If those settings are not configured, then the common locations for + * bundles found on Red Hat, CentOS, Fedora, Ubuntu, Debian, FreeBSD, OS X + * and Windows are checked. If any of these file locations are found on + * disk, they will be utilized. + * + * Note: the result of this function is cached for subsequent calls. + * + * @throws \RuntimeException if no bundle can be found. + * + * @deprecated Utils::defaultCaBundle will be removed in guzzlehttp/guzzle:8.0. This method is not needed in PHP 5.6+. + */ + public static function defaultCaBundle(): string + { + static $cached = null; + static $cafiles = [ + // Red Hat, CentOS, Fedora (provided by the ca-certificates package) + '/etc/pki/tls/certs/ca-bundle.crt', + // Ubuntu, Debian (provided by the ca-certificates package) + '/etc/ssl/certs/ca-certificates.crt', + // FreeBSD (provided by the ca_root_nss package) + '/usr/local/share/certs/ca-root-nss.crt', + // SLES 12 (provided by the ca-certificates package) + '/var/lib/ca-certificates/ca-bundle.pem', + // OS X provided by homebrew (using the default path) + '/usr/local/etc/openssl/cert.pem', + // Google app engine + '/etc/ca-certificates.crt', + // Windows? + 'C:\\windows\\system32\\curl-ca-bundle.crt', + 'C:\\windows\\curl-ca-bundle.crt', + ]; + + if ($cached) { + return $cached; + } + + if ($ca = \ini_get('openssl.cafile')) { + return $cached = $ca; + } + + if ($ca = \ini_get('curl.cainfo')) { + return $cached = $ca; + } + + foreach ($cafiles as $filename) { + if (\file_exists($filename)) { + return $cached = $filename; + } + } + + throw new \RuntimeException( + <<< EOT +No system CA bundle could be found in any of the the common system locations. +PHP versions earlier than 5.6 are not properly configured to use the system's +CA bundle by default. In order to verify peer certificates, you will need to +supply the path on disk to a certificate bundle to the 'verify' request +option: http://docs.guzzlephp.org/en/latest/clients.html#verify. If you do not +need a specific certificate bundle, then Mozilla provides a commonly used CA +bundle which can be downloaded here (provided by the maintainer of cURL): +https://curl.haxx.se/ca/cacert.pem. Once +you have a CA bundle available on disk, you can set the 'openssl.cafile' PHP +ini setting to point to the path to the file, allowing you to omit the 'verify' +request option. See https://curl.haxx.se/docs/sslcerts.html for more +information. +EOT + ); + } + + /** + * Creates an associative array of lowercase header names to the actual + * header casing. + */ + public static function normalizeHeaderKeys(array $headers): array + { + $result = []; + foreach (\array_keys($headers) as $key) { + $result[\strtolower($key)] = $key; + } + + return $result; + } + + /** + * Returns true if the provided host matches any of the no proxy areas. + * + * This method will strip a port from the host if it is present. Each pattern + * can be matched with an exact match (e.g., "foo.com" == "foo.com") or a + * partial match: (e.g., "foo.com" == "baz.foo.com" and ".foo.com" == + * "baz.foo.com", but ".foo.com" != "foo.com"). + * + * Areas are matched in the following cases: + * 1. "*" (without quotes) always matches any hosts. + * 2. An exact match. + * 3. The area starts with "." and the area is the last part of the host. e.g. + * '.mit.edu' will match any host that ends with '.mit.edu'. + * + * @param string $host Host to check against the patterns. + * @param string[] $noProxyArray An array of host patterns. + * + * @throws InvalidArgumentException + */ + public static function isHostInNoProxy(string $host, array $noProxyArray): bool + { + if (\strlen($host) === 0) { + throw new InvalidArgumentException('Empty host provided'); + } + + // Strip port if present. + [$host] = \explode(':', $host, 2); + + foreach ($noProxyArray as $area) { + // Always match on wildcards. + if ($area === '*') { + return true; + } + + if (empty($area)) { + // Don't match on empty values. + continue; + } + + if ($area === $host) { + // Exact matches. + return true; + } + // Special match if the area when prefixed with ".". Remove any + // existing leading "." and add a new leading ".". + $area = '.'.\ltrim($area, '.'); + if (\substr($host, -\strlen($area)) === $area) { + return true; + } + } + + return false; + } + + /** + * Wrapper for json_decode that throws when an error occurs. + * + * @param string $json JSON data to parse + * @param bool $assoc When true, returned objects will be converted + * into associative arrays. + * @param int $depth User specified recursion depth. + * @param int $options Bitmask of JSON decode options. + * + * @return object|array|string|int|float|bool|null + * + * @throws InvalidArgumentException if the JSON cannot be decoded. + * + * @see https://www.php.net/manual/en/function.json-decode.php + */ + public static function jsonDecode(string $json, bool $assoc = false, int $depth = 512, int $options = 0) + { + $data = \json_decode($json, $assoc, $depth, $options); + if (\JSON_ERROR_NONE !== \json_last_error()) { + throw new InvalidArgumentException('json_decode error: '.\json_last_error_msg()); + } + + return $data; + } + + /** + * Wrapper for JSON encoding that throws when an error occurs. + * + * @param mixed $value The value being encoded + * @param int $options JSON encode option bitmask + * @param int $depth Set the maximum depth. Must be greater than zero. + * + * @throws InvalidArgumentException if the JSON cannot be encoded. + * + * @see https://www.php.net/manual/en/function.json-encode.php + */ + public static function jsonEncode($value, int $options = 0, int $depth = 512): string + { + $json = \json_encode($value, $options, $depth); + if (\JSON_ERROR_NONE !== \json_last_error()) { + throw new InvalidArgumentException('json_encode error: '.\json_last_error_msg()); + } + + /** @var string */ + return $json; + } + + /** + * Wrapper for the hrtime() or microtime() functions + * (depending on the PHP version, one of the two is used) + * + * @return float UNIX timestamp + * + * @internal + */ + public static function currentTime(): float + { + return (float) \function_exists('hrtime') ? \hrtime(true) / 1e9 : \microtime(true); + } + + /** + * @throws InvalidArgumentException + * + * @internal + */ + public static function idnUriConvert(UriInterface $uri, int $options = 0): UriInterface + { + if ($uri->getHost()) { + $asciiHost = self::idnToAsci($uri->getHost(), $options, $info); + if ($asciiHost === false) { + $errorBitSet = $info['errors'] ?? 0; + + $errorConstants = array_filter(array_keys(get_defined_constants()), static function (string $name): bool { + return substr($name, 0, 11) === 'IDNA_ERROR_'; + }); + + $errors = []; + foreach ($errorConstants as $errorConstant) { + if ($errorBitSet & constant($errorConstant)) { + $errors[] = $errorConstant; + } + } + + $errorMessage = 'IDN conversion failed'; + if ($errors) { + $errorMessage .= ' (errors: '.implode(', ', $errors).')'; + } + + throw new InvalidArgumentException($errorMessage); + } + if ($uri->getHost() !== $asciiHost) { + // Replace URI only if the ASCII version is different + $uri = $uri->withHost($asciiHost); + } + } + + return $uri; + } + + /** + * @internal + */ + public static function getenv(string $name): ?string + { + if (isset($_SERVER[$name])) { + return (string) $_SERVER[$name]; + } + + if (\PHP_SAPI === 'cli' && ($value = \getenv($name)) !== false && $value !== null) { + return (string) $value; + } + + return null; + } + + /** + * @return string|false + */ + private static function idnToAsci(string $domain, int $options, ?array &$info = []) + { + if (\function_exists('idn_to_ascii') && \defined('INTL_IDNA_VARIANT_UTS46')) { + return \idn_to_ascii($domain, $options, \INTL_IDNA_VARIANT_UTS46, $info); + } + + throw new \Error('ext-idn or symfony/polyfill-intl-idn not loaded or too old'); + } +} |