From 19985dbb8c0aa66dc4bf7905abc1148de909097d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= Date: Tue, 11 Jan 2022 12:35:47 +0100 Subject: prvi-commit --- vendor/guzzlehttp/psr7/src/Utils.php | 428 +++++++++++++++++++++++++++++++++++ 1 file changed, 428 insertions(+) create mode 100644 vendor/guzzlehttp/psr7/src/Utils.php (limited to 'vendor/guzzlehttp/psr7/src/Utils.php') diff --git a/vendor/guzzlehttp/psr7/src/Utils.php b/vendor/guzzlehttp/psr7/src/Utils.php new file mode 100644 index 0000000..60ce6b9 --- /dev/null +++ b/vendor/guzzlehttp/psr7/src/Utils.php @@ -0,0 +1,428 @@ + $keys + * + * @return array + */ + public static function caselessRemove($keys, array $data) + { + $result = []; + + foreach ($keys as &$key) { + $key = strtolower($key); + } + + foreach ($data as $k => $v) { + if (!in_array(strtolower($k), $keys)) { + $result[$k] = $v; + } + } + + return $result; + } + + /** + * Copy the contents of a stream into another stream until the given number + * of bytes have been read. + * + * @param StreamInterface $source Stream to read from + * @param StreamInterface $dest Stream to write to + * @param int $maxLen Maximum number of bytes to read. Pass -1 + * to read the entire stream. + * + * @throws \RuntimeException on error. + */ + public static function copyToStream(StreamInterface $source, StreamInterface $dest, $maxLen = -1) + { + $bufferSize = 8192; + + if ($maxLen === -1) { + while (!$source->eof()) { + if (!$dest->write($source->read($bufferSize))) { + break; + } + } + } else { + $remaining = $maxLen; + while ($remaining > 0 && !$source->eof()) { + $buf = $source->read(min($bufferSize, $remaining)); + $len = strlen($buf); + if (!$len) { + break; + } + $remaining -= $len; + $dest->write($buf); + } + } + } + + /** + * Copy the contents of a stream into a string until the given number of + * bytes have been read. + * + * @param StreamInterface $stream Stream to read + * @param int $maxLen Maximum number of bytes to read. Pass -1 + * to read the entire stream. + * + * @return string + * + * @throws \RuntimeException on error. + */ + public static function copyToString(StreamInterface $stream, $maxLen = -1) + { + $buffer = ''; + + if ($maxLen === -1) { + while (!$stream->eof()) { + $buf = $stream->read(1048576); + // Using a loose equality here to match on '' and false. + if ($buf == null) { + break; + } + $buffer .= $buf; + } + return $buffer; + } + + $len = 0; + while (!$stream->eof() && $len < $maxLen) { + $buf = $stream->read($maxLen - $len); + // Using a loose equality here to match on '' and false. + if ($buf == null) { + break; + } + $buffer .= $buf; + $len = strlen($buffer); + } + + return $buffer; + } + + /** + * Calculate a hash of a stream. + * + * This method reads the entire stream to calculate a rolling hash, based + * on PHP's `hash_init` functions. + * + * @param StreamInterface $stream Stream to calculate the hash for + * @param string $algo Hash algorithm (e.g. md5, crc32, etc) + * @param bool $rawOutput Whether or not to use raw output + * + * @return string Returns the hash of the stream + * + * @throws \RuntimeException on error. + */ + public static function hash(StreamInterface $stream, $algo, $rawOutput = false) + { + $pos = $stream->tell(); + + if ($pos > 0) { + $stream->rewind(); + } + + $ctx = hash_init($algo); + while (!$stream->eof()) { + hash_update($ctx, $stream->read(1048576)); + } + + $out = hash_final($ctx, (bool) $rawOutput); + $stream->seek($pos); + + return $out; + } + + /** + * Clone and modify a request with the given changes. + * + * This method is useful for reducing the number of clones needed to mutate + * a message. + * + * The changes can be one of: + * - method: (string) Changes the HTTP method. + * - set_headers: (array) Sets the given headers. + * - remove_headers: (array) Remove the given headers. + * - body: (mixed) Sets the given body. + * - uri: (UriInterface) Set the URI. + * - query: (string) Set the query string value of the URI. + * - version: (string) Set the protocol version. + * + * @param RequestInterface $request Request to clone and modify. + * @param array $changes Changes to apply. + * + * @return RequestInterface + */ + public static function modifyRequest(RequestInterface $request, array $changes) + { + if (!$changes) { + return $request; + } + + $headers = $request->getHeaders(); + + if (!isset($changes['uri'])) { + $uri = $request->getUri(); + } else { + // Remove the host header if one is on the URI + if ($host = $changes['uri']->getHost()) { + $changes['set_headers']['Host'] = $host; + + if ($port = $changes['uri']->getPort()) { + $standardPorts = ['http' => 80, 'https' => 443]; + $scheme = $changes['uri']->getScheme(); + if (isset($standardPorts[$scheme]) && $port != $standardPorts[$scheme]) { + $changes['set_headers']['Host'] .= ':' . $port; + } + } + } + $uri = $changes['uri']; + } + + if (!empty($changes['remove_headers'])) { + $headers = self::caselessRemove($changes['remove_headers'], $headers); + } + + if (!empty($changes['set_headers'])) { + $headers = self::caselessRemove(array_keys($changes['set_headers']), $headers); + $headers = $changes['set_headers'] + $headers; + } + + if (isset($changes['query'])) { + $uri = $uri->withQuery($changes['query']); + } + + if ($request instanceof ServerRequestInterface) { + $new = (new ServerRequest( + isset($changes['method']) ? $changes['method'] : $request->getMethod(), + $uri, + $headers, + isset($changes['body']) ? $changes['body'] : $request->getBody(), + isset($changes['version']) + ? $changes['version'] + : $request->getProtocolVersion(), + $request->getServerParams() + )) + ->withParsedBody($request->getParsedBody()) + ->withQueryParams($request->getQueryParams()) + ->withCookieParams($request->getCookieParams()) + ->withUploadedFiles($request->getUploadedFiles()); + + foreach ($request->getAttributes() as $key => $value) { + $new = $new->withAttribute($key, $value); + } + + return $new; + } + + return new Request( + isset($changes['method']) ? $changes['method'] : $request->getMethod(), + $uri, + $headers, + isset($changes['body']) ? $changes['body'] : $request->getBody(), + isset($changes['version']) + ? $changes['version'] + : $request->getProtocolVersion() + ); + } + + /** + * Read a line from the stream up to the maximum allowed buffer length. + * + * @param StreamInterface $stream Stream to read from + * @param int|null $maxLength Maximum buffer length + * + * @return string + */ + public static function readLine(StreamInterface $stream, $maxLength = null) + { + $buffer = ''; + $size = 0; + + while (!$stream->eof()) { + // Using a loose equality here to match on '' and false. + if (null == ($byte = $stream->read(1))) { + return $buffer; + } + $buffer .= $byte; + // Break when a new line is found or the max length - 1 is reached + if ($byte === "\n" || ++$size === $maxLength - 1) { + break; + } + } + + return $buffer; + } + + /** + * Create a new stream based on the input type. + * + * Options is an associative array that can contain the following keys: + * - metadata: Array of custom metadata. + * - size: Size of the stream. + * + * This method accepts the following `$resource` types: + * - `Psr\Http\Message\StreamInterface`: Returns the value as-is. + * - `string`: Creates a stream object that uses the given string as the contents. + * - `resource`: Creates a stream object that wraps the given PHP stream resource. + * - `Iterator`: If the provided value implements `Iterator`, then a read-only + * stream object will be created that wraps the given iterable. Each time the + * stream is read from, data from the iterator will fill a buffer and will be + * continuously called until the buffer is equal to the requested read size. + * Subsequent read calls will first read from the buffer and then call `next` + * on the underlying iterator until it is exhausted. + * - `object` with `__toString()`: If the object has the `__toString()` method, + * the object will be cast to a string and then a stream will be returned that + * uses the string value. + * - `NULL`: When `null` is passed, an empty stream object is returned. + * - `callable` When a callable is passed, a read-only stream object will be + * created that invokes the given callable. The callable is invoked with the + * number of suggested bytes to read. The callable can return any number of + * bytes, but MUST return `false` when there is no more data to return. The + * stream object that wraps the callable will invoke the callable until the + * number of requested bytes are available. Any additional bytes will be + * buffered and used in subsequent reads. + * + * @param resource|string|int|float|bool|StreamInterface|callable|\Iterator|null $resource Entity body data + * @param array $options Additional options + * + * @return StreamInterface + * + * @throws \InvalidArgumentException if the $resource arg is not valid. + */ + public static function streamFor($resource = '', array $options = []) + { + if (is_scalar($resource)) { + $stream = self::tryFopen('php://temp', 'r+'); + if ($resource !== '') { + fwrite($stream, $resource); + fseek($stream, 0); + } + return new Stream($stream, $options); + } + + switch (gettype($resource)) { + case 'resource': + /* + * The 'php://input' is a special stream with quirks and inconsistencies. + * We avoid using that stream by reading it into php://temp + */ + $metaData = \stream_get_meta_data($resource); + if (isset($metaData['uri']) && $metaData['uri'] === 'php://input') { + $stream = self::tryFopen('php://temp', 'w+'); + fwrite($stream, stream_get_contents($resource)); + fseek($stream, 0); + $resource = $stream; + } + return new Stream($resource, $options); + case 'object': + if ($resource instanceof StreamInterface) { + return $resource; + } elseif ($resource instanceof \Iterator) { + return new PumpStream(function () use ($resource) { + if (!$resource->valid()) { + return false; + } + $result = $resource->current(); + $resource->next(); + return $result; + }, $options); + } elseif (method_exists($resource, '__toString')) { + return Utils::streamFor((string) $resource, $options); + } + break; + case 'NULL': + return new Stream(self::tryFopen('php://temp', 'r+'), $options); + } + + if (is_callable($resource)) { + return new PumpStream($resource, $options); + } + + throw new \InvalidArgumentException('Invalid resource type: ' . gettype($resource)); + } + + /** + * Safely opens a PHP stream resource using a filename. + * + * When fopen fails, PHP normally raises a warning. This function adds an + * error handler that checks for errors and throws an exception instead. + * + * @param string $filename File to open + * @param string $mode Mode used to open the file + * + * @return resource + * + * @throws \RuntimeException if the file cannot be opened + */ + public static function tryFopen($filename, $mode) + { + $ex = null; + set_error_handler(function () use ($filename, $mode, &$ex) { + $ex = new \RuntimeException(sprintf( + 'Unable to open "%s" using mode "%s": %s', + $filename, + $mode, + func_get_args()[1] + )); + + return true; + }); + + try { + $handle = fopen($filename, $mode); + } catch (\Throwable $e) { + $ex = new \RuntimeException(sprintf( + 'Unable to open "%s" using mode "%s": %s', + $filename, + $mode, + $e->getMessage() + ), 0, $e); + } + + restore_error_handler(); + + if ($ex) { + /** @var $ex \RuntimeException */ + throw $ex; + } + + return $handle; + } + + /** + * Returns a UriInterface for the given value. + * + * This function accepts a string or UriInterface and returns a + * UriInterface for the given value. If the value is already a + * UriInterface, it is returned as-is. + * + * @param string|UriInterface $uri + * + * @return UriInterface + * + * @throws \InvalidArgumentException + */ + public static function uriFor($uri) + { + if ($uri instanceof UriInterface) { + return $uri; + } + + if (is_string($uri)) { + return new Uri($uri); + } + + throw new \InvalidArgumentException('URI must be a string or UriInterface'); + } +} -- cgit v1.2.3