565 lines
22 KiB
PHP
565 lines
22 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpClient;
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use Symfony\Component\HttpClient\Exception\InvalidArgumentException;
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/**
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* Provides the common logic from writing HttpClientInterface implementations.
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*
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* All methods are static to prevent implementers from creating memory leaks via circular references.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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trait HttpClientTrait
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{
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private static $CHUNK_SIZE = 16372;
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/**
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* Validates and normalizes method, URL and options, and merges them with defaults.
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*
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* @throws InvalidArgumentException When a not-supported option is found
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*/
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private static function prepareRequest(?string $method, ?string $url, array $options, array $defaultOptions = [], bool $allowExtraOptions = false): array
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{
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if (null !== $method) {
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if (\strlen($method) !== strspn($method, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ')) {
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throw new InvalidArgumentException(sprintf('Invalid HTTP method "%s", only uppercase letters are accepted.', $method));
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}
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if (!$method) {
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throw new InvalidArgumentException('The HTTP method can not be empty.');
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}
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}
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$options = self::mergeDefaultOptions($options, $defaultOptions, $allowExtraOptions);
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$buffer = $options['buffer'] ?? true;
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if ($buffer instanceof \Closure) {
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$options['buffer'] = static function (array $headers) use ($buffer) {
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if (!\is_bool($buffer = $buffer($headers))) {
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if (!\is_array($bufferInfo = @stream_get_meta_data($buffer))) {
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throw new \LogicException(sprintf('The closure passed as option "buffer" must return bool or stream resource, got "%s".', \is_resource($buffer) ? get_resource_type($buffer).' resource' : \gettype($buffer)));
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}
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if (false === strpbrk($bufferInfo['mode'], 'acew+')) {
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throw new \LogicException(sprintf('The stream returned by the closure passed as option "buffer" must be writeable, got mode "%s".', $bufferInfo['mode']));
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}
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}
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return $buffer;
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};
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} elseif (!\is_bool($buffer)) {
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if (!\is_array($bufferInfo = @stream_get_meta_data($buffer))) {
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throw new InvalidArgumentException(sprintf('Option "buffer" must be bool, stream resource or Closure, "%s" given.', \is_resource($buffer) ? get_resource_type($buffer).' resource' : \gettype($buffer)));
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}
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if (false === strpbrk($bufferInfo['mode'], 'acew+')) {
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throw new InvalidArgumentException(sprintf('The stream in option "buffer" must be writeable, mode "%s" given.', $bufferInfo['mode']));
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}
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}
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if (isset($options['json'])) {
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if (isset($options['body']) && '' !== $options['body']) {
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throw new InvalidArgumentException('Define either the "json" or the "body" option, setting both is not supported.');
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}
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$options['body'] = self::jsonEncode($options['json']);
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unset($options['json']);
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if (!isset($options['normalized_headers']['content-type'])) {
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$options['normalized_headers']['content-type'] = [$options['headers'][] = 'Content-Type: application/json'];
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}
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}
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if (!isset($options['normalized_headers']['accept'])) {
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$options['normalized_headers']['accept'] = [$options['headers'][] = 'Accept: */*'];
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}
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if (isset($options['body'])) {
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$options['body'] = self::normalizeBody($options['body']);
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}
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if (isset($options['peer_fingerprint'])) {
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$options['peer_fingerprint'] = self::normalizePeerFingerprint($options['peer_fingerprint']);
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}
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// Validate on_progress
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if (!\is_callable($onProgress = $options['on_progress'] ?? 'var_dump')) {
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throw new InvalidArgumentException(sprintf('Option "on_progress" must be callable, "%s" given.', \is_object($onProgress) ? \get_class($onProgress) : \gettype($onProgress)));
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}
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if (\is_array($options['auth_basic'] ?? null)) {
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$count = \count($options['auth_basic']);
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if ($count <= 0 || $count > 2) {
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throw new InvalidArgumentException(sprintf('Option "auth_basic" must contain 1 or 2 elements, "%s" given.', $count));
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}
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$options['auth_basic'] = implode(':', $options['auth_basic']);
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}
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if (!\is_string($options['auth_basic'] ?? '')) {
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throw new InvalidArgumentException(sprintf('Option "auth_basic" must be string or an array, "%s" given.', \gettype($options['auth_basic'])));
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}
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if (isset($options['auth_bearer'])) {
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if (!\is_string($options['auth_bearer'])) {
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throw new InvalidArgumentException(sprintf('Option "auth_bearer" must be a string, "%s" given.', \gettype($options['auth_bearer'])));
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}
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if (preg_match('{[^\x21-\x7E]}', $options['auth_bearer'])) {
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throw new InvalidArgumentException('Invalid character found in option "auth_bearer": '.json_encode($options['auth_bearer']).'.');
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}
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}
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if (isset($options['auth_basic'], $options['auth_bearer'])) {
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throw new InvalidArgumentException('Define either the "auth_basic" or the "auth_bearer" option, setting both is not supported.');
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}
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if (null !== $url) {
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// Merge auth with headers
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if (($options['auth_basic'] ?? false) && !($options['normalized_headers']['authorization'] ?? false)) {
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$options['normalized_headers']['authorization'] = [$options['headers'][] = 'Authorization: Basic '.base64_encode($options['auth_basic'])];
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}
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// Merge bearer with headers
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if (($options['auth_bearer'] ?? false) && !($options['normalized_headers']['authorization'] ?? false)) {
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$options['normalized_headers']['authorization'] = [$options['headers'][] = 'Authorization: Bearer '.$options['auth_bearer']];
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}
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unset($options['auth_basic'], $options['auth_bearer']);
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// Parse base URI
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if (\is_string($options['base_uri'])) {
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$options['base_uri'] = self::parseUrl($options['base_uri']);
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}
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// Validate and resolve URL
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$url = self::parseUrl($url, $options['query']);
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$url = self::resolveUrl($url, $options['base_uri'], $defaultOptions['query'] ?? []);
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}
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// Finalize normalization of options
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$options['http_version'] = (string) ($options['http_version'] ?? '') ?: null;
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$options['timeout'] = (float) ($options['timeout'] ?? ini_get('default_socket_timeout'));
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$options['max_duration'] = isset($options['max_duration']) ? (float) $options['max_duration'] : 0;
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return [$url, $options];
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}
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/**
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* @throws InvalidArgumentException When an invalid option is found
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*/
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private static function mergeDefaultOptions(array $options, array $defaultOptions, bool $allowExtraOptions = false): array
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{
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$options['normalized_headers'] = self::normalizeHeaders($options['headers'] ?? []);
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if ($defaultOptions['headers'] ?? false) {
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$options['normalized_headers'] += self::normalizeHeaders($defaultOptions['headers']);
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}
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$options['headers'] = array_merge(...array_values($options['normalized_headers']) ?: [[]]);
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if ($resolve = $options['resolve'] ?? false) {
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$options['resolve'] = [];
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foreach ($resolve as $k => $v) {
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$options['resolve'][substr(self::parseUrl('http://'.$k)['authority'], 2)] = (string) $v;
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}
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}
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// Option "query" is never inherited from defaults
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$options['query'] = $options['query'] ?? [];
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foreach ($defaultOptions as $k => $v) {
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if ('normalized_headers' !== $k && !isset($options[$k])) {
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$options[$k] = $v;
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}
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}
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if (isset($defaultOptions['extra'])) {
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$options['extra'] += $defaultOptions['extra'];
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}
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if ($resolve = $defaultOptions['resolve'] ?? false) {
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foreach ($resolve as $k => $v) {
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$options['resolve'] += [substr(self::parseUrl('http://'.$k)['authority'], 2) => (string) $v];
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}
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}
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if ($allowExtraOptions || !$defaultOptions) {
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return $options;
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}
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// Look for unsupported options
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foreach ($options as $name => $v) {
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if (\array_key_exists($name, $defaultOptions) || 'normalized_headers' === $name) {
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continue;
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}
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if ('auth_ntlm' === $name) {
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if (!\extension_loaded('curl')) {
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$msg = 'try installing the "curl" extension to use "%s" instead.';
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} else {
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$msg = 'try using "%s" instead.';
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}
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throw new InvalidArgumentException(sprintf('Option "auth_ntlm" is not supported by "%s", '.$msg, __CLASS__, CurlHttpClient::class));
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}
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$alternatives = [];
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foreach ($defaultOptions as $key => $v) {
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if (levenshtein($name, $key) <= \strlen($name) / 3 || false !== strpos($key, $name)) {
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$alternatives[] = $key;
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}
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}
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throw new InvalidArgumentException(sprintf('Unsupported option "%s" passed to "%s", did you mean "%s"?', $name, __CLASS__, implode('", "', $alternatives ?: array_keys($defaultOptions))));
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}
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return $options;
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}
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/**
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* @return string[][]
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*
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* @throws InvalidArgumentException When an invalid header is found
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*/
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private static function normalizeHeaders(array $headers): array
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{
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$normalizedHeaders = [];
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foreach ($headers as $name => $values) {
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if (\is_object($values) && method_exists($values, '__toString')) {
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$values = (string) $values;
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}
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if (\is_int($name)) {
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if (!\is_string($values)) {
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throw new InvalidArgumentException(sprintf('Invalid value for header "%s": expected string, "%s" given.', $name, \gettype($values)));
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}
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[$name, $values] = explode(':', $values, 2);
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$values = [ltrim($values)];
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} elseif (!is_iterable($values)) {
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if (\is_object($values)) {
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throw new InvalidArgumentException(sprintf('Invalid value for header "%s": expected string, "%s" given.', $name, \get_class($values)));
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}
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$values = (array) $values;
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}
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$lcName = strtolower($name);
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$normalizedHeaders[$lcName] = [];
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foreach ($values as $value) {
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$normalizedHeaders[$lcName][] = $value = $name.': '.$value;
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if (\strlen($value) !== strcspn($value, "\r\n\0")) {
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throw new InvalidArgumentException(sprintf('Invalid header: CR/LF/NUL found in "%s".', $value));
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}
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}
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}
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return $normalizedHeaders;
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}
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/**
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* @param array|string|resource|\Traversable|\Closure $body
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*
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* @return string|resource|\Closure
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*
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* @throws InvalidArgumentException When an invalid body is passed
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*/
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private static function normalizeBody($body)
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{
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if (\is_array($body)) {
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return http_build_query($body, '', '&', \PHP_QUERY_RFC1738);
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}
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if ($body instanceof \Traversable) {
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$body = function () use ($body) { yield from $body; };
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}
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if ($body instanceof \Closure) {
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$r = new \ReflectionFunction($body);
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$body = $r->getClosure();
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if ($r->isGenerator()) {
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$body = $body(self::$CHUNK_SIZE);
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$body = function () use ($body) {
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while ($body->valid()) {
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$chunk = $body->current();
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$body->next();
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if ('' !== $chunk) {
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return $chunk;
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}
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}
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return '';
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};
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}
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return $body;
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}
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if (!\is_string($body) && !\is_array(@stream_get_meta_data($body))) {
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throw new InvalidArgumentException(sprintf('Option "body" must be string, stream resource, iterable or callable, "%s" given.', \is_resource($body) ? get_resource_type($body) : \gettype($body)));
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}
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return $body;
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}
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/**
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* @param string|string[] $fingerprint
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*
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* @throws InvalidArgumentException When an invalid fingerprint is passed
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*/
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private static function normalizePeerFingerprint($fingerprint): array
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{
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if (\is_string($fingerprint)) {
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switch (\strlen($fingerprint = str_replace(':', '', $fingerprint))) {
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case 32: $fingerprint = ['md5' => $fingerprint]; break;
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case 40: $fingerprint = ['sha1' => $fingerprint]; break;
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case 44: $fingerprint = ['pin-sha256' => [$fingerprint]]; break;
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case 64: $fingerprint = ['sha256' => $fingerprint]; break;
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default: throw new InvalidArgumentException(sprintf('Cannot auto-detect fingerprint algorithm for "%s".', $fingerprint));
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}
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} elseif (\is_array($fingerprint)) {
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foreach ($fingerprint as $algo => $hash) {
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$fingerprint[$algo] = 'pin-sha256' === $algo ? (array) $hash : str_replace(':', '', $hash);
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}
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} else {
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throw new InvalidArgumentException(sprintf('Option "peer_fingerprint" must be string or array, "%s" given.', \gettype($fingerprint)));
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}
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return $fingerprint;
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}
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/**
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* @param mixed $value
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*
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* @throws InvalidArgumentException When the value cannot be json-encoded
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*/
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private static function jsonEncode($value, int $flags = null, int $maxDepth = 512): string
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{
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$flags = $flags ?? (\JSON_HEX_TAG | \JSON_HEX_APOS | \JSON_HEX_AMP | \JSON_HEX_QUOT | \JSON_PRESERVE_ZERO_FRACTION);
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try {
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$value = json_encode($value, $flags | (\PHP_VERSION_ID >= 70300 ? \JSON_THROW_ON_ERROR : 0), $maxDepth);
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||
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} catch (\JsonException $e) {
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|
|
throw new InvalidArgumentException('Invalid value for "json" option: '.$e->getMessage());
|
||
|
|
}
|
||
|
|
|
||
|
|
if (\PHP_VERSION_ID < 70300 && \JSON_ERROR_NONE !== json_last_error() && (false === $value || !($flags & \JSON_PARTIAL_OUTPUT_ON_ERROR))) {
|
||
|
|
throw new InvalidArgumentException('Invalid value for "json" option: '.json_last_error_msg());
|
||
|
|
}
|
||
|
|
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resolves a URL against a base URI.
|
||
|
|
*
|
||
|
|
* @see https://tools.ietf.org/html/rfc3986#section-5.2.2
|
||
|
|
*
|
||
|
|
* @throws InvalidArgumentException When an invalid URL is passed
|
||
|
|
*/
|
||
|
|
private static function resolveUrl(array $url, ?array $base, array $queryDefaults = []): array
|
||
|
|
{
|
||
|
|
if (null !== $base && '' === ($base['scheme'] ?? '').($base['authority'] ?? '')) {
|
||
|
|
throw new InvalidArgumentException(sprintf('Invalid "base_uri" option: host or scheme is missing in "%s".', implode('', $base)));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $base && '' === $url['scheme'].$url['authority']) {
|
||
|
|
throw new InvalidArgumentException(sprintf('Invalid URL: no "base_uri" option was provided and host or scheme is missing in "%s".', implode('', $url)));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null !== $url['scheme']) {
|
||
|
|
$url['path'] = self::removeDotSegments($url['path'] ?? '');
|
||
|
|
} else {
|
||
|
|
if (null !== $url['authority']) {
|
||
|
|
$url['path'] = self::removeDotSegments($url['path'] ?? '');
|
||
|
|
} else {
|
||
|
|
if (null === $url['path']) {
|
||
|
|
$url['path'] = $base['path'];
|
||
|
|
$url['query'] = $url['query'] ?? $base['query'];
|
||
|
|
} else {
|
||
|
|
if ('/' !== $url['path'][0]) {
|
||
|
|
if (null === $base['path']) {
|
||
|
|
$url['path'] = '/'.$url['path'];
|
||
|
|
} else {
|
||
|
|
$segments = explode('/', $base['path']);
|
||
|
|
array_splice($segments, -1, 1, [$url['path']]);
|
||
|
|
$url['path'] = implode('/', $segments);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$url['path'] = self::removeDotSegments($url['path']);
|
||
|
|
}
|
||
|
|
|
||
|
|
$url['authority'] = $base['authority'];
|
||
|
|
|
||
|
|
if ($queryDefaults) {
|
||
|
|
$url['query'] = '?'.self::mergeQueryString(substr($url['query'] ?? '', 1), $queryDefaults, false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$url['scheme'] = $base['scheme'];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('' === ($url['path'] ?? '')) {
|
||
|
|
$url['path'] = '/';
|
||
|
|
}
|
||
|
|
|
||
|
|
return $url;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses a URL and fixes its encoding if needed.
|
||
|
|
*
|
||
|
|
* @throws InvalidArgumentException When an invalid URL is passed
|
||
|
|
*/
|
||
|
|
private static function parseUrl(string $url, array $query = [], array $allowedSchemes = ['http' => 80, 'https' => 443]): array
|
||
|
|
{
|
||
|
|
if (false === $parts = parse_url($url)) {
|
||
|
|
throw new InvalidArgumentException(sprintf('Malformed URL "%s".', $url));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($query) {
|
||
|
|
$parts['query'] = self::mergeQueryString($parts['query'] ?? null, $query, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
$port = $parts['port'] ?? 0;
|
||
|
|
|
||
|
|
if (null !== $scheme = $parts['scheme'] ?? null) {
|
||
|
|
if (!isset($allowedSchemes[$scheme = strtolower($scheme)])) {
|
||
|
|
throw new InvalidArgumentException(sprintf('Unsupported scheme in "%s".', $url));
|
||
|
|
}
|
||
|
|
|
||
|
|
$port = $allowedSchemes[$scheme] === $port ? 0 : $port;
|
||
|
|
$scheme .= ':';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null !== $host = $parts['host'] ?? null) {
|
||
|
|
if (!\defined('INTL_IDNA_VARIANT_UTS46') && preg_match('/[\x80-\xFF]/', $host)) {
|
||
|
|
throw new InvalidArgumentException(sprintf('Unsupported IDN "%s", try enabling the "intl" PHP extension or running "composer require symfony/polyfill-intl-idn".', $host));
|
||
|
|
}
|
||
|
|
|
||
|
|
$host = \defined('INTL_IDNA_VARIANT_UTS46') ? idn_to_ascii($host, \IDNA_DEFAULT, \INTL_IDNA_VARIANT_UTS46) ?: strtolower($host) : strtolower($host);
|
||
|
|
$host .= $port ? ':'.$port : '';
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach (['user', 'pass', 'path', 'query', 'fragment'] as $part) {
|
||
|
|
if (!isset($parts[$part])) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (false !== strpos($parts[$part], '%')) {
|
||
|
|
// https://tools.ietf.org/html/rfc3986#section-2.3
|
||
|
|
$parts[$part] = preg_replace_callback('/%(?:2[DE]|3[0-9]|[46][1-9A-F]|5F|[57][0-9A]|7E)++/i', function ($m) { return rawurldecode($m[0]); }, $parts[$part]);
|
||
|
|
}
|
||
|
|
|
||
|
|
// https://tools.ietf.org/html/rfc3986#section-3.3
|
||
|
|
$parts[$part] = preg_replace_callback("#[^-A-Za-z0-9._~!$&/'()*+,;=:@%]++#", function ($m) { return rawurlencode($m[0]); }, $parts[$part]);
|
||
|
|
}
|
||
|
|
|
||
|
|
return [
|
||
|
|
'scheme' => $scheme,
|
||
|
|
'authority' => null !== $host ? '//'.(isset($parts['user']) ? $parts['user'].(isset($parts['pass']) ? ':'.$parts['pass'] : '').'@' : '').$host : null,
|
||
|
|
'path' => isset($parts['path'][0]) ? $parts['path'] : null,
|
||
|
|
'query' => isset($parts['query']) ? '?'.$parts['query'] : null,
|
||
|
|
'fragment' => isset($parts['fragment']) ? '#'.$parts['fragment'] : null,
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Removes dot-segments from a path.
|
||
|
|
*
|
||
|
|
* @see https://tools.ietf.org/html/rfc3986#section-5.2.4
|
||
|
|
*/
|
||
|
|
private static function removeDotSegments(string $path)
|
||
|
|
{
|
||
|
|
$result = '';
|
||
|
|
|
||
|
|
while (!\in_array($path, ['', '.', '..'], true)) {
|
||
|
|
if ('.' === $path[0] && (0 === strpos($path, $p = '../') || 0 === strpos($path, $p = './'))) {
|
||
|
|
$path = substr($path, \strlen($p));
|
||
|
|
} elseif ('/.' === $path || 0 === strpos($path, '/./')) {
|
||
|
|
$path = substr_replace($path, '/', 0, 3);
|
||
|
|
} elseif ('/..' === $path || 0 === strpos($path, '/../')) {
|
||
|
|
$i = strrpos($result, '/');
|
||
|
|
$result = $i ? substr($result, 0, $i) : '';
|
||
|
|
$path = substr_replace($path, '/', 0, 4);
|
||
|
|
} else {
|
||
|
|
$i = strpos($path, '/', 1) ?: \strlen($path);
|
||
|
|
$result .= substr($path, 0, $i);
|
||
|
|
$path = substr($path, $i);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Merges and encodes a query array with a query string.
|
||
|
|
*
|
||
|
|
* @throws InvalidArgumentException When an invalid query-string value is passed
|
||
|
|
*/
|
||
|
|
private static function mergeQueryString(?string $queryString, array $queryArray, bool $replace): ?string
|
||
|
|
{
|
||
|
|
if (!$queryArray) {
|
||
|
|
return $queryString;
|
||
|
|
}
|
||
|
|
|
||
|
|
$query = [];
|
||
|
|
|
||
|
|
if (null !== $queryString) {
|
||
|
|
foreach (explode('&', $queryString) as $v) {
|
||
|
|
if ('' !== $v) {
|
||
|
|
$k = urldecode(explode('=', $v, 2)[0]);
|
||
|
|
$query[$k] = (isset($query[$k]) ? $query[$k].'&' : '').$v;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($replace) {
|
||
|
|
foreach ($queryArray as $k => $v) {
|
||
|
|
if (null === $v) {
|
||
|
|
unset($query[$k]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$queryString = http_build_query($queryArray, '', '&', \PHP_QUERY_RFC3986);
|
||
|
|
$queryArray = [];
|
||
|
|
|
||
|
|
if ($queryString) {
|
||
|
|
foreach (explode('&', $queryString) as $v) {
|
||
|
|
$queryArray[rawurldecode(explode('=', $v, 2)[0])] = $v;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return implode('&', $replace ? array_replace($query, $queryArray) : ($query + $queryArray));
|
||
|
|
}
|
||
|
|
|
||
|
|
private static function shouldBuffer(array $headers): bool
|
||
|
|
{
|
||
|
|
if (null === $contentType = $headers['content-type'][0] ?? null) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (false !== $i = strpos($contentType, ';')) {
|
||
|
|
$contentType = substr($contentType, 0, $i);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $contentType && preg_match('#^(?:text/|application/(?:.+\+)?(?:json|xml)$)#i', $contentType);
|
||
|
|
}
|
||
|
|
}
|