summaryrefslogtreecommitdiffstats
path: root/vendor/psr/http-message/src
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/psr/http-message/src')
-rw-r--r--vendor/psr/http-message/src/MessageInterface.php187
-rw-r--r--vendor/psr/http-message/src/RequestInterface.php129
-rw-r--r--vendor/psr/http-message/src/ResponseInterface.php68
-rw-r--r--vendor/psr/http-message/src/ServerRequestInterface.php261
-rw-r--r--vendor/psr/http-message/src/StreamInterface.php158
-rw-r--r--vendor/psr/http-message/src/UploadedFileInterface.php123
-rw-r--r--vendor/psr/http-message/src/UriInterface.php323
7 files changed, 1249 insertions, 0 deletions
diff --git a/vendor/psr/http-message/src/MessageInterface.php b/vendor/psr/http-message/src/MessageInterface.php
new file mode 100644
index 0000000..dd46e5e
--- /dev/null
+++ b/vendor/psr/http-message/src/MessageInterface.php
@@ -0,0 +1,187 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * HTTP messages consist of requests from a client to a server and responses
+ * from a server to a client. This interface defines the methods common to
+ * each.
+ *
+ * Messages are considered immutable; all methods that might change state MUST
+ * be implemented such that they retain the internal state of the current
+ * message and return an instance that contains the changed state.
+ *
+ * @link http://www.ietf.org/rfc/rfc7230.txt
+ * @link http://www.ietf.org/rfc/rfc7231.txt
+ */
+interface MessageInterface
+{
+ /**
+ * Retrieves the HTTP protocol version as a string.
+ *
+ * The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").
+ *
+ * @return string HTTP protocol version.
+ */
+ public function getProtocolVersion();
+
+ /**
+ * Return an instance with the specified HTTP protocol version.
+ *
+ * The version string MUST contain only the HTTP version number (e.g.,
+ * "1.1", "1.0").
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * new protocol version.
+ *
+ * @param string $version HTTP protocol version
+ * @return static
+ */
+ public function withProtocolVersion($version);
+
+ /**
+ * Retrieves all message header values.
+ *
+ * The keys represent the header name as it will be sent over the wire, and
+ * each value is an array of strings associated with the header.
+ *
+ * // Represent the headers as a string
+ * foreach ($message->getHeaders() as $name => $values) {
+ * echo $name . ": " . implode(", ", $values);
+ * }
+ *
+ * // Emit headers iteratively:
+ * foreach ($message->getHeaders() as $name => $values) {
+ * foreach ($values as $value) {
+ * header(sprintf('%s: %s', $name, $value), false);
+ * }
+ * }
+ *
+ * While header names are not case-sensitive, getHeaders() will preserve the
+ * exact case in which headers were originally specified.
+ *
+ * @return string[][] Returns an associative array of the message's headers. Each
+ * key MUST be a header name, and each value MUST be an array of strings
+ * for that header.
+ */
+ public function getHeaders();
+
+ /**
+ * Checks if a header exists by the given case-insensitive name.
+ *
+ * @param string $name Case-insensitive header field name.
+ * @return bool Returns true if any header names match the given header
+ * name using a case-insensitive string comparison. Returns false if
+ * no matching header name is found in the message.
+ */
+ public function hasHeader($name);
+
+ /**
+ * Retrieves a message header value by the given case-insensitive name.
+ *
+ * This method returns an array of all the header values of the given
+ * case-insensitive header name.
+ *
+ * If the header does not appear in the message, this method MUST return an
+ * empty array.
+ *
+ * @param string $name Case-insensitive header field name.
+ * @return string[] An array of string values as provided for the given
+ * header. If the header does not appear in the message, this method MUST
+ * return an empty array.
+ */
+ public function getHeader($name);
+
+ /**
+ * Retrieves a comma-separated string of the values for a single header.
+ *
+ * This method returns all of the header values of the given
+ * case-insensitive header name as a string concatenated together using
+ * a comma.
+ *
+ * NOTE: Not all header values may be appropriately represented using
+ * comma concatenation. For such headers, use getHeader() instead
+ * and supply your own delimiter when concatenating.
+ *
+ * If the header does not appear in the message, this method MUST return
+ * an empty string.
+ *
+ * @param string $name Case-insensitive header field name.
+ * @return string A string of values as provided for the given header
+ * concatenated together using a comma. If the header does not appear in
+ * the message, this method MUST return an empty string.
+ */
+ public function getHeaderLine($name);
+
+ /**
+ * Return an instance with the provided value replacing the specified header.
+ *
+ * While header names are case-insensitive, the casing of the header will
+ * be preserved by this function, and returned from getHeaders().
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * new and/or updated header and value.
+ *
+ * @param string $name Case-insensitive header field name.
+ * @param string|string[] $value Header value(s).
+ * @return static
+ * @throws \InvalidArgumentException for invalid header names or values.
+ */
+ public function withHeader($name, $value);
+
+ /**
+ * Return an instance with the specified header appended with the given value.
+ *
+ * Existing values for the specified header will be maintained. The new
+ * value(s) will be appended to the existing list. If the header did not
+ * exist previously, it will be added.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * new header and/or value.
+ *
+ * @param string $name Case-insensitive header field name to add.
+ * @param string|string[] $value Header value(s).
+ * @return static
+ * @throws \InvalidArgumentException for invalid header names or values.
+ */
+ public function withAddedHeader($name, $value);
+
+ /**
+ * Return an instance without the specified header.
+ *
+ * Header resolution MUST be done without case-sensitivity.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that removes
+ * the named header.
+ *
+ * @param string $name Case-insensitive header field name to remove.
+ * @return static
+ */
+ public function withoutHeader($name);
+
+ /**
+ * Gets the body of the message.
+ *
+ * @return StreamInterface Returns the body as a stream.
+ */
+ public function getBody();
+
+ /**
+ * Return an instance with the specified message body.
+ *
+ * The body MUST be a StreamInterface object.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return a new instance that has the
+ * new body stream.
+ *
+ * @param StreamInterface $body Body.
+ * @return static
+ * @throws \InvalidArgumentException When the body is not valid.
+ */
+ public function withBody(StreamInterface $body);
+}
diff --git a/vendor/psr/http-message/src/RequestInterface.php b/vendor/psr/http-message/src/RequestInterface.php
new file mode 100644
index 0000000..a96d4fd
--- /dev/null
+++ b/vendor/psr/http-message/src/RequestInterface.php
@@ -0,0 +1,129 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * Representation of an outgoing, client-side request.
+ *
+ * Per the HTTP specification, this interface includes properties for
+ * each of the following:
+ *
+ * - Protocol version
+ * - HTTP method
+ * - URI
+ * - Headers
+ * - Message body
+ *
+ * During construction, implementations MUST attempt to set the Host header from
+ * a provided URI if no Host header is provided.
+ *
+ * Requests are considered immutable; all methods that might change state MUST
+ * be implemented such that they retain the internal state of the current
+ * message and return an instance that contains the changed state.
+ */
+interface RequestInterface extends MessageInterface
+{
+ /**
+ * Retrieves the message's request target.
+ *
+ * Retrieves the message's request-target either as it will appear (for
+ * clients), as it appeared at request (for servers), or as it was
+ * specified for the instance (see withRequestTarget()).
+ *
+ * In most cases, this will be the origin-form of the composed URI,
+ * unless a value was provided to the concrete implementation (see
+ * withRequestTarget() below).
+ *
+ * If no URI is available, and no request-target has been specifically
+ * provided, this method MUST return the string "/".
+ *
+ * @return string
+ */
+ public function getRequestTarget();
+
+ /**
+ * Return an instance with the specific request-target.
+ *
+ * If the request needs a non-origin-form request-target — e.g., for
+ * specifying an absolute-form, authority-form, or asterisk-form —
+ * this method may be used to create an instance with the specified
+ * request-target, verbatim.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * changed request target.
+ *
+ * @link http://tools.ietf.org/html/rfc7230#section-5.3 (for the various
+ * request-target forms allowed in request messages)
+ * @param mixed $requestTarget
+ * @return static
+ */
+ public function withRequestTarget($requestTarget);
+
+ /**
+ * Retrieves the HTTP method of the request.
+ *
+ * @return string Returns the request method.
+ */
+ public function getMethod();
+
+ /**
+ * Return an instance with the provided HTTP method.
+ *
+ * While HTTP method names are typically all uppercase characters, HTTP
+ * method names are case-sensitive and thus implementations SHOULD NOT
+ * modify the given string.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * changed request method.
+ *
+ * @param string $method Case-sensitive method.
+ * @return static
+ * @throws \InvalidArgumentException for invalid HTTP methods.
+ */
+ public function withMethod($method);
+
+ /**
+ * Retrieves the URI instance.
+ *
+ * This method MUST return a UriInterface instance.
+ *
+ * @link http://tools.ietf.org/html/rfc3986#section-4.3
+ * @return UriInterface Returns a UriInterface instance
+ * representing the URI of the request.
+ */
+ public function getUri();
+
+ /**
+ * Returns an instance with the provided URI.
+ *
+ * This method MUST update the Host header of the returned request by
+ * default if the URI contains a host component. If the URI does not
+ * contain a host component, any pre-existing Host header MUST be carried
+ * over to the returned request.
+ *
+ * You can opt-in to preserving the original state of the Host header by
+ * setting `$preserveHost` to `true`. When `$preserveHost` is set to
+ * `true`, this method interacts with the Host header in the following ways:
+ *
+ * - If the Host header is missing or empty, and the new URI contains
+ * a host component, this method MUST update the Host header in the returned
+ * request.
+ * - If the Host header is missing or empty, and the new URI does not contain a
+ * host component, this method MUST NOT update the Host header in the returned
+ * request.
+ * - If a Host header is present and non-empty, this method MUST NOT update
+ * the Host header in the returned request.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * new UriInterface instance.
+ *
+ * @link http://tools.ietf.org/html/rfc3986#section-4.3
+ * @param UriInterface $uri New request URI to use.
+ * @param bool $preserveHost Preserve the original state of the Host header.
+ * @return static
+ */
+ public function withUri(UriInterface $uri, $preserveHost = false);
+}
diff --git a/vendor/psr/http-message/src/ResponseInterface.php b/vendor/psr/http-message/src/ResponseInterface.php
new file mode 100644
index 0000000..c306514
--- /dev/null
+++ b/vendor/psr/http-message/src/ResponseInterface.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * Representation of an outgoing, server-side response.
+ *
+ * Per the HTTP specification, this interface includes properties for
+ * each of the following:
+ *
+ * - Protocol version
+ * - Status code and reason phrase
+ * - Headers
+ * - Message body
+ *
+ * Responses are considered immutable; all methods that might change state MUST
+ * be implemented such that they retain the internal state of the current
+ * message and return an instance that contains the changed state.
+ */
+interface ResponseInterface extends MessageInterface
+{
+ /**
+ * Gets the response status code.
+ *
+ * The status code is a 3-digit integer result code of the server's attempt
+ * to understand and satisfy the request.
+ *
+ * @return int Status code.
+ */
+ public function getStatusCode();
+
+ /**
+ * Return an instance with the specified status code and, optionally, reason phrase.
+ *
+ * If no reason phrase is specified, implementations MAY choose to default
+ * to the RFC 7231 or IANA recommended reason phrase for the response's
+ * status code.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * updated status and reason phrase.
+ *
+ * @link http://tools.ietf.org/html/rfc7231#section-6
+ * @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+ * @param int $code The 3-digit integer result code to set.
+ * @param string $reasonPhrase The reason phrase to use with the
+ * provided status code; if none is provided, implementations MAY
+ * use the defaults as suggested in the HTTP specification.
+ * @return static
+ * @throws \InvalidArgumentException For invalid status code arguments.
+ */
+ public function withStatus($code, $reasonPhrase = '');
+
+ /**
+ * Gets the response reason phrase associated with the status code.
+ *
+ * Because a reason phrase is not a required element in a response
+ * status line, the reason phrase value MAY be null. Implementations MAY
+ * choose to return the default RFC 7231 recommended reason phrase (or those
+ * listed in the IANA HTTP Status Code Registry) for the response's
+ * status code.
+ *
+ * @link http://tools.ietf.org/html/rfc7231#section-6
+ * @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+ * @return string Reason phrase; must return an empty string if none present.
+ */
+ public function getReasonPhrase();
+}
diff --git a/vendor/psr/http-message/src/ServerRequestInterface.php b/vendor/psr/http-message/src/ServerRequestInterface.php
new file mode 100644
index 0000000..0251234
--- /dev/null
+++ b/vendor/psr/http-message/src/ServerRequestInterface.php
@@ -0,0 +1,261 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * Representation of an incoming, server-side HTTP request.
+ *
+ * Per the HTTP specification, this interface includes properties for
+ * each of the following:
+ *
+ * - Protocol version
+ * - HTTP method
+ * - URI
+ * - Headers
+ * - Message body
+ *
+ * Additionally, it encapsulates all data as it has arrived to the
+ * application from the CGI and/or PHP environment, including:
+ *
+ * - The values represented in $_SERVER.
+ * - Any cookies provided (generally via $_COOKIE)
+ * - Query string arguments (generally via $_GET, or as parsed via parse_str())
+ * - Upload files, if any (as represented by $_FILES)
+ * - Deserialized body parameters (generally from $_POST)
+ *
+ * $_SERVER values MUST be treated as immutable, as they represent application
+ * state at the time of request; as such, no methods are provided to allow
+ * modification of those values. The other values provide such methods, as they
+ * can be restored from $_SERVER or the request body, and may need treatment
+ * during the application (e.g., body parameters may be deserialized based on
+ * content type).
+ *
+ * Additionally, this interface recognizes the utility of introspecting a
+ * request to derive and match additional parameters (e.g., via URI path
+ * matching, decrypting cookie values, deserializing non-form-encoded body
+ * content, matching authorization headers to users, etc). These parameters
+ * are stored in an "attributes" property.
+ *
+ * Requests are considered immutable; all methods that might change state MUST
+ * be implemented such that they retain the internal state of the current
+ * message and return an instance that contains the changed state.
+ */
+interface ServerRequestInterface extends RequestInterface
+{
+ /**
+ * Retrieve server parameters.
+ *
+ * Retrieves data related to the incoming request environment,
+ * typically derived from PHP's $_SERVER superglobal. The data IS NOT
+ * REQUIRED to originate from $_SERVER.
+ *
+ * @return array
+ */
+ public function getServerParams();
+
+ /**
+ * Retrieve cookies.
+ *
+ * Retrieves cookies sent by the client to the server.
+ *
+ * The data MUST be compatible with the structure of the $_COOKIE
+ * superglobal.
+ *
+ * @return array
+ */
+ public function getCookieParams();
+
+ /**
+ * Return an instance with the specified cookies.
+ *
+ * The data IS NOT REQUIRED to come from the $_COOKIE superglobal, but MUST
+ * be compatible with the structure of $_COOKIE. Typically, this data will
+ * be injected at instantiation.
+ *
+ * This method MUST NOT update the related Cookie header of the request
+ * instance, nor related values in the server params.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * updated cookie values.
+ *
+ * @param array $cookies Array of key/value pairs representing cookies.
+ * @return static
+ */
+ public function withCookieParams(array $cookies);
+
+ /**
+ * Retrieve query string arguments.
+ *
+ * Retrieves the deserialized query string arguments, if any.
+ *
+ * Note: the query params might not be in sync with the URI or server
+ * params. If you need to ensure you are only getting the original
+ * values, you may need to parse the query string from `getUri()->getQuery()`
+ * or from the `QUERY_STRING` server param.
+ *
+ * @return array
+ */
+ public function getQueryParams();
+
+ /**
+ * Return an instance with the specified query string arguments.
+ *
+ * These values SHOULD remain immutable over the course of the incoming
+ * request. They MAY be injected during instantiation, such as from PHP's
+ * $_GET superglobal, or MAY be derived from some other value such as the
+ * URI. In cases where the arguments are parsed from the URI, the data
+ * MUST be compatible with what PHP's parse_str() would return for
+ * purposes of how duplicate query parameters are handled, and how nested
+ * sets are handled.
+ *
+ * Setting query string arguments MUST NOT change the URI stored by the
+ * request, nor the values in the server params.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * updated query string arguments.
+ *
+ * @param array $query Array of query string arguments, typically from
+ * $_GET.
+ * @return static
+ */
+ public function withQueryParams(array $query);
+
+ /**
+ * Retrieve normalized file upload data.
+ *
+ * This method returns upload metadata in a normalized tree, with each leaf
+ * an instance of Psr\Http\Message\UploadedFileInterface.
+ *
+ * These values MAY be prepared from $_FILES or the message body during
+ * instantiation, or MAY be injected via withUploadedFiles().
+ *
+ * @return array An array tree of UploadedFileInterface instances; an empty
+ * array MUST be returned if no data is present.
+ */
+ public function getUploadedFiles();
+
+ /**
+ * Create a new instance with the specified uploaded files.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * updated body parameters.
+ *
+ * @param array $uploadedFiles An array tree of UploadedFileInterface instances.
+ * @return static
+ * @throws \InvalidArgumentException if an invalid structure is provided.
+ */
+ public function withUploadedFiles(array $uploadedFiles);
+
+ /**
+ * Retrieve any parameters provided in the request body.
+ *
+ * If the request Content-Type is either application/x-www-form-urlencoded
+ * or multipart/form-data, and the request method is POST, this method MUST
+ * return the contents of $_POST.
+ *
+ * Otherwise, this method may return any results of deserializing
+ * the request body content; as parsing returns structured content, the
+ * potential types MUST be arrays or objects only. A null value indicates
+ * the absence of body content.
+ *
+ * @return null|array|object The deserialized body parameters, if any.
+ * These will typically be an array or object.
+ */
+ public function getParsedBody();
+
+ /**
+ * Return an instance with the specified body parameters.
+ *
+ * These MAY be injected during instantiation.
+ *
+ * If the request Content-Type is either application/x-www-form-urlencoded
+ * or multipart/form-data, and the request method is POST, use this method
+ * ONLY to inject the contents of $_POST.
+ *
+ * The data IS NOT REQUIRED to come from $_POST, but MUST be the results of
+ * deserializing the request body content. Deserialization/parsing returns
+ * structured data, and, as such, this method ONLY accepts arrays or objects,
+ * or a null value if nothing was available to parse.
+ *
+ * As an example, if content negotiation determines that the request data
+ * is a JSON payload, this method could be used to create a request
+ * instance with the deserialized parameters.
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * updated body parameters.
+ *
+ * @param null|array|object $data The deserialized body data. This will
+ * typically be in an array or object.
+ * @return static
+ * @throws \InvalidArgumentException if an unsupported argument type is
+ * provided.
+ */
+ public function withParsedBody($data);
+
+ /**
+ * Retrieve attributes derived from the request.
+ *
+ * The request "attributes" may be used to allow injection of any
+ * parameters derived from the request: e.g., the results of path
+ * match operations; the results of decrypting cookies; the results of
+ * deserializing non-form-encoded message bodies; etc. Attributes
+ * will be application and request specific, and CAN be mutable.
+ *
+ * @return array Attributes derived from the request.
+ */
+ public function getAttributes();
+
+ /**
+ * Retrieve a single derived request attribute.
+ *
+ * Retrieves a single derived request attribute as described in
+ * getAttributes(). If the attribute has not been previously set, returns
+ * the default value as provided.
+ *
+ * This method obviates the need for a hasAttribute() method, as it allows
+ * specifying a default value to return if the attribute is not found.
+ *
+ * @see getAttributes()
+ * @param string $name The attribute name.
+ * @param mixed $default Default value to return if the attribute does not exist.
+ * @return mixed
+ */
+ public function getAttribute($name, $default = null);
+
+ /**
+ * Return an instance with the specified derived request attribute.
+ *
+ * This method allows setting a single derived request attribute as
+ * described in getAttributes().
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that has the
+ * updated attribute.
+ *
+ * @see getAttributes()
+ * @param string $name The attribute name.
+ * @param mixed $value The value of the attribute.
+ * @return static
+ */
+ public function withAttribute($name, $value);
+
+ /**
+ * Return an instance that removes the specified derived request attribute.
+ *
+ * This method allows removing a single derived request attribute as
+ * described in getAttributes().
+ *
+ * This method MUST be implemented in such a way as to retain the
+ * immutability of the message, and MUST return an instance that removes
+ * the attribute.
+ *
+ * @see getAttributes()
+ * @param string $name The attribute name.
+ * @return static
+ */
+ public function withoutAttribute($name);
+}
diff --git a/vendor/psr/http-message/src/StreamInterface.php b/vendor/psr/http-message/src/StreamInterface.php
new file mode 100644
index 0000000..f68f391
--- /dev/null
+++ b/vendor/psr/http-message/src/StreamInterface.php
@@ -0,0 +1,158 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * Describes a data stream.
+ *
+ * Typically, an instance will wrap a PHP stream; this interface provides
+ * a wrapper around the most common operations, including serialization of
+ * the entire stream to a string.
+ */
+interface StreamInterface
+{
+ /**
+ * Reads all data from the stream into a string, from the beginning to end.
+ *
+ * This method MUST attempt to seek to the beginning of the stream before
+ * reading data and read the stream until the end is reached.
+ *
+ * Warning: This could attempt to load a large amount of data into memory.
+ *
+ * This method MUST NOT raise an exception in order to conform with PHP's
+ * string casting operations.
+ *
+ * @see http://php.net/manual/en/language.oop5.magic.php#object.tostring
+ * @return string
+ */
+ public function __toString();
+
+ /**
+ * Closes the stream and any underlying resources.
+ *
+ * @return void
+ */
+ public function close();
+
+ /**
+ * Separates any underlying resources from the stream.
+ *
+ * After the stream has been detached, the stream is in an unusable state.
+ *
+ * @return resource|null Underlying PHP stream, if any
+ */
+ public function detach();
+
+ /**
+ * Get the size of the stream if known.
+ *
+ * @return int|null Returns the size in bytes if known, or null if unknown.
+ */
+ public function getSize();
+
+ /**
+ * Returns the current position of the file read/write pointer
+ *
+ * @return int Position of the file pointer
+ * @throws \RuntimeException on error.
+ */
+ public function tell();
+
+ /**
+ * Returns true if the stream is at the end of the stream.
+ *
+ * @return bool
+ */
+ public function eof();
+
+ /**
+ * Returns whether or not the stream is seekable.
+ *
+ * @return bool
+ */
+ public function isSeekable();
+
+ /**
+ * Seek to a position in the stream.
+ *
+ * @link http://www.php.net/manual/en/function.fseek.php
+ * @param int $offset Stream offset
+ * @param int $whence Specifies how the cursor position will be calculated
+ * based on the seek offset. Valid values are identical to the built-in
+ * PHP $whence values for `fseek()`. SEEK_SET: Set position equal to
+ * offset bytes SEEK_CUR: Set position to current location plus offset
+ * SEEK_END: Set position to end-of-stream plus offset.
+ * @throws \RuntimeException on failure.
+ */
+ public function seek($offset, $whence = SEEK_SET);
+
+ /**
+ * Seek to the beginning of the stream.
+ *
+ * If the stream is not seekable, this method will raise an exception;
+ * otherwise, it will perform a seek(0).
+ *
+ * @see seek()
+ * @link http://www.php.net/manual/en/function.fseek.php
+ * @throws \RuntimeException on failure.
+ */
+ public function rewind();
+
+ /**
+ * Returns whether or not the stream is writable.
+ *
+ * @return bool
+ */
+ public function isWritable();
+
+ /**
+ * Write data to the stream.
+ *
+ * @param string $string The string that is to be written.
+ * @return int Returns the number of bytes written to the stream.
+ * @throws \RuntimeException on failure.
+ */
+ public function write($string);
+
+ /**
+ * Returns whether or not the stream is readable.
+ *
+ * @return bool
+ */
+ public function isReadable();
+
+ /**
+ * Read data from the stream.
+ *
+ * @param int $length Read up to $length bytes from the object and return
+ * them. Fewer than $length bytes may be returned if underlying stream
+ * call returns fewer bytes.
+ * @return string Returns the data read from the stream, or an empty string
+ * if no bytes are available.
+ * @throws \RuntimeException if an error occurs.
+ */
+ public function read($length);
+
+ /**
+ * Returns the remaining contents in a string
+ *
+ * @return string
+ * @throws \RuntimeException if unable to read or an error occurs while
+ * reading.
+ */
+ public function getContents();
+
+ /**
+ * Get stream metadata as an associative array or retrieve a specific key.
+ *
+ * The keys returned are identical to the keys returned from PHP's
+ * stream_get_meta_data() function.
+ *
+ * @link http://php.net/manual/en/function.stream-get-meta-data.php
+ * @param string $key Specific metadata to retrieve.
+ * @return array|mixed|null Returns an associative array if no key is
+ * provided. Returns a specific key value if a key is provided and the
+ * value is found, or null if the key is not found.
+ */
+ public function getMetadata($key = null);
+}
diff --git a/vendor/psr/http-message/src/UploadedFileInterface.php b/vendor/psr/http-message/src/UploadedFileInterface.php
new file mode 100644
index 0000000..f8a6901
--- /dev/null
+++ b/vendor/psr/http-message/src/UploadedFileInterface.php
@@ -0,0 +1,123 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * Value object representing a file uploaded through an HTTP request.
+ *
+ * Instances of this interface are considered immutable; all methods that
+ * might change state MUST be implemented such that they retain the internal
+ * state of the current instance and return an instance that contains the
+ * changed state.
+ */
+interface UploadedFileInterface
+{
+ /**
+ * Retrieve a stream representing the uploaded file.
+ *
+ * This method MUST return a StreamInterface instance, representing the
+ * uploaded file. The purpose of this method is to allow utilizing native PHP
+ * stream functionality to manipulate the file upload, such as
+ * stream_copy_to_stream() (though the result will need to be decorated in a
+ * native PHP stream wrapper to work with such functions).
+ *
+ * If the moveTo() method has been called previously, this method MUST raise
+ * an exception.
+ *
+ * @return StreamInterface Stream representation of the uploaded file.
+ * @throws \RuntimeException in cases when no stream is available or can be
+ * created.
+ */
+ public function getStream();
+
+ /**
+ * Move the uploaded file to a new location.
+ *
+ * Use this method as an alternative to move_uploaded_file(). This method is
+ * guaranteed to work in both SAPI and non-SAPI environments.
+ * Implementations must determine which environment they are in, and use the
+ * appropriate method (move_uploaded_file(), rename(), or a stream
+ * operation) to perform the operation.
+ *
+ * $targetPath may be an absolute path, or a relative path. If it is a
+ * relative path, resolution should be the same as used by PHP's rename()
+ * function.
+ *
+ * The original file or stream MUST be removed on completion.
+ *
+ * If this method is called more than once, any subsequent calls MUST raise
+ * an exception.
+ *
+ * When used in an SAPI environment where $_FILES is populated, when writing
+ * files via moveTo(), is_uploaded_file() and move_uploaded_file() SHOULD be
+ * used to ensure permissions and upload status are verified correctly.
+ *
+ * If you wish to move to a stream, use getStream(), as SAPI operations
+ * cannot guarantee writing to stream destinations.
+ *
+ * @see http://php.net/is_uploaded_file
+ * @see http://php.net/move_uploaded_file
+ * @param string $targetPath Path to which to move the uploaded file.
+ * @throws \InvalidArgumentException if the $targetPath specified is invalid.
+ * @throws \RuntimeException on any error during the move operation, or on
+ * the second or subsequent call to the method.
+ */
+ public function moveTo($targetPath);
+
+ /**
+ * Retrieve the file size.
+ *
+ * Implementations SHOULD return the value stored in the "size" key of
+ * the file in the $_FILES array if available, as PHP calculates this based
+ * on the actual size transmitted.
+ *
+ * @return int|null The file size in bytes or null if unknown.
+ */
+ public function getSize();
+
+ /**
+ * Retrieve the error associated with the uploaded file.
+ *
+ * The return value MUST be one of PHP's UPLOAD_ERR_XXX constants.
+ *
+ * If the file was uploaded successfully, this method MUST return
+ * UPLOAD_ERR_OK.
+ *
+ * Implementations SHOULD return the value stored in the "error" key of
+ * the file in the $_FILES array.
+ *
+ * @see http://php.net/manual/en/features.file-upload.errors.php
+ * @return int One of PHP's UPLOAD_ERR_XXX constants.
+ */
+ public function getError();
+
+ /**
+ * Retrieve the filename sent by the client.
+ *
+ * Do not trust the value returned by this method. A client could send
+ * a malicious filename with the intention to corrupt or hack your
+ * application.
+ *
+ * Implementations SHOULD return the value stored in the "name" key of
+ * the file in the $_FILES array.
+ *
+ * @return string|null The filename sent by the client or null if none
+ * was provided.
+ */
+ public function getClientFilename();
+
+ /**
+ * Retrieve the media type sent by the client.
+ *
+ * Do not trust the value returned by this method. A client could send
+ * a malicious media type with the intention to corrupt or hack your
+ * application.
+ *
+ * Implementations SHOULD return the value stored in the "type" key of
+ * the file in the $_FILES array.
+ *
+ * @return string|null The media type sent by the client or null if none
+ * was provided.
+ */
+ public function getClientMediaType();
+}
diff --git a/vendor/psr/http-message/src/UriInterface.php b/vendor/psr/http-message/src/UriInterface.php
new file mode 100644
index 0000000..9d7ab9e
--- /dev/null
+++ b/vendor/psr/http-message/src/UriInterface.php
@@ -0,0 +1,323 @@
+<?php
+namespace Psr\Http\Message;
+
+/**
+ * Value object representing a URI.
+ *
+ * This interface is meant to represent URIs according to RFC 3986 and to
+ * provide methods for most common operations. Additional functionality for
+ * working with URIs can be provided on top of the interface or externally.
+ * Its primary use is for HTTP requests, but may also be used in other
+ * contexts.
+ *
+ * Instances of this interface are considered immutable; all methods that
+ * might change state MUST be implemented such that they retain the internal
+ * state of the current instance and return an instance that contains the
+ * changed state.
+ *
+ * Typically the Host header will be also be present in the request message.
+ * For server-side requests, the scheme will typically be discoverable in the
+ * server parameters.
+ *
+ * @link http://tools.ietf.org/html/rfc3986 (the URI specification)
+ */
+interface UriInterface
+{
+ /**
+ * Retrieve the scheme component of the URI.
+ *
+ * If no scheme is present, this method MUST return an empty string.
+ *
+ * The value returned MUST be normalized to lowercase, per RFC 3986
+ * Section 3.1.
+ *
+ * The trailing ":" character is not part of the scheme and MUST NOT be
+ * added.
+ *
+ * @see https://tools.ietf.org/html/rfc3986#section-3.1
+ * @return string The URI scheme.
+ */
+ public function getScheme();
+
+ /**
+ * Retrieve the authority component of the URI.
+ *
+ * If no authority information is present, this method MUST return an empty
+ * string.
+ *
+ * The authority syntax of the URI is:
+ *
+ * <pre>
+ * [user-info@]host[:port]
+ * </pre>
+ *
+ * If the port component is not set or is the standard port for the current
+ * scheme, it SHOULD NOT be included.
+ *
+ * @see https://tools.ietf.org/html/rfc3986#section-3.2
+ * @return string The URI authority, in "[user-info@]host[:port]" format.
+ */
+ public function getAuthority();
+
+ /**
+ * Retrieve the user information component of the URI.
+ *
+ * If no user information is present, this method MUST return an empty
+ * string.
+ *
+ * If a user is present in the URI, this will return that value;
+ * additionally, if the password is also present, it will be appended to the
+ * user value, with a colon (":") separating the values.
+ *
+ * The trailing "@" character is not part of the user information and MUST
+ * NOT be added.
+ *
+ * @return string The URI user information, in "username[:password]" format.
+ */
+ public function getUserInfo();
+
+ /**
+ * Retrieve the host component of the URI.
+ *
+ * If no host is present, this method MUST return an empty string.
+ *
+ * The value returned MUST be normalized to lowercase, per RFC 3986
+ * Section 3.2.2.
+ *
+ * @see http://tools.ietf.org/html/rfc3986#section-3.2.2
+ * @return string The URI host.
+ */
+ public function getHost();
+
+ /**
+ * Retrieve the port component of the URI.
+ *
+ * If a port is present, and it is non-standard for the current scheme,
+ * this method MUST return it as an integer. If the port is the standard port
+ * used with the current scheme, this method SHOULD return null.
+ *
+ * If no port is present, and no scheme is present, this method MUST return
+ * a null value.
+ *
+ * If no port is present, but a scheme is present, this method MAY return
+ * the standard port for that scheme, but SHOULD return null.
+ *
+ * @return null|int The URI port.
+ */
+ public function getPort();
+
+ /**
+ * Retrieve the path component of the URI.
+ *
+ * The path can either be empty or absolute (starting with a slash) or
+ * rootless (not starting with a slash). Implementations MUST support all
+ * three syntaxes.
+ *
+ * Normally, the empty path "" and absolute path "/" are considered equal as
+ * defined in RFC 7230 Section 2.7.3. But this method MUST NOT automatically
+ * do this normalization because in contexts with a trimmed base path, e.g.
+ * the front controller, this difference becomes significant. It's the task
+ * of the user to handle both "" and "/".
+ *
+ * The value returned MUST be percent-encoded, but MUST NOT double-encode
+ * any characters. To determine what characters to encode, please refer to
+ * RFC 3986, Sections 2 and 3.3.
+ *
+ * As an example, if the value should include a slash ("/") not intended as
+ * delimiter between path segments, that value MUST be passed in encoded
+ * form (e.g., "%2F") to the instance.
+ *
+ * @see https://tools.ietf.org/html/rfc3986#section-2
+ * @see https://tools.ietf.org/html/rfc3986#section-3.3
+ * @return string The URI path.
+ */
+ public function getPath();
+
+ /**
+ * Retrieve the query string of the URI.
+ *
+ * If no query string is present, this method MUST return an empty string.
+ *
+ * The leading "?" character is not part of the query and MUST NOT be
+ * added.
+ *
+ * The value returned MUST be percent-encoded, but MUST NOT double-encode
+ * any characters. To determine what characters to encode, please refer to
+ * RFC 3986, Sections 2 and 3.4.
+ *
+ * As an example, if a value in a key/value pair of the query string should
+ * include an ampersand ("&") not intended as a delimiter between values,
+ * that value MUST be passed in encoded form (e.g., "%26") to the instance.
+ *
+ * @see https://tools.ietf.org/html/rfc3986#section-2
+ * @see https://tools.ietf.org/html/rfc3986#section-3.4
+ * @return string The URI query string.
+ */
+ public function getQuery();
+
+ /**
+ * Retrieve the fragment component of the URI.
+ *
+ * If no fragment is present, this method MUST return an empty string.
+ *
+ * The leading "#" character is not part of the fragment and MUST NOT be
+ * added.
+ *
+ * The value returned MUST be percent-encoded, but MUST NOT double-encode
+ * any characters. To determine what characters to encode, please refer to
+ * RFC 3986, Sections 2 and 3.5.
+ *
+ * @see https://tools.ietf.org/html/rfc3986#section-2
+ * @see https://tools.ietf.org/html/rfc3986#section-3.5
+ * @return string The URI fragment.
+ */
+ public function getFragment();
+
+ /**
+ * Return an instance with the specified scheme.
+ *
+ * This method MUST retain the state of the current instance, and return
+ * an instance that contains the specified scheme.
+ *
+ * Implementations MUST support the schemes "http" and "https" case
+ * insensitively, and MAY accommodate other schemes if required.
+ *
+ * An empty scheme is equivalent to removing the scheme.
+ *
+ * @param string $scheme The scheme to use with the new instance.
+ * @return static A new instance with the specified scheme.
+ * @throws \InvalidArgumentException for invalid or unsupported schemes.
+ */
+ public function withScheme($scheme);
+
+ /**
+ * Return an instance with the specified user information.
+ *
+ * This method MUST retain the state of the current instance, and return
+ * an instance that contains the specified user information.
+ *
+ * Password is optional, but the user information MUST include the
+ * user; an empty string for the user is equivalent to removing user
+ * information.
+ *
+ * @param string $user The user name to use for authority.
+ * @param null|string $password The password associated with $user.
+ * @return static A new instance with the specified user information.
+ */
+ public function withUserInfo($user, $password = null);
+
+ /**
+ * Return an instance with the specified host.
+ *
+ * This method MUST retain the state of the current instance, and return
+ * an instance that contains the specified host.
+ *
+ * An empty host value is equivalent to removing the host.
+ *
+ * @param string $host The hostname to use with the new instance.
+ * @return static A new instance with the specified host.
+ * @throws \InvalidArgumentException for invalid hostnames.
+ */
+ public function withHost($host);
+
+ /**
+ * Return an instance with the specified port.
+ *
+ * This method MUST retain the state of the current instance, and return
+ * an instance that contains the specified port.
+ *
+ * Implementations MUST raise an exception for ports outside the
+ * established TCP and UDP port ranges.
+ *
+ * A null value provided for the port is equivalent to removing the port
+ * information.
+ *
+ * @param null|int $port The port to use with the new instance; a null value
+ * removes the port information.
+ * @return static A new instance with the specified port.
+ * @throws \InvalidArgumentException for invalid ports.
+ */
+ public function withPort($port);
+
+ /**
+ * Return an instance with the specified path.
+ *
+ * This method MUST retain the state of the current instance, and return
+ * an instance that contains the specified path.
+ *
+ * The path can either be empty or absolute (starting with a slash) or
+ * rootless (not starting with a slash). Implementations MUST support all
+ * three syntaxes.
+ *
+ * If the path is intended to be domain-relative rather than path relative then
+ * it must begin with a slash ("/"). Paths not starting with a slash ("/")
+ * are assumed to be relative to some base path known to the application or
+ * consumer.
+ *
+ * Users can provide both encoded and decoded path characters.
+ * Implementations ensure the correct encoding as outlined in getPath().
+ *
+ * @param string $path The path to use with the new instance.
+ * @return static A new instance with the specified path.
+ * @throws \InvalidArgumentException for invalid paths.
+ */
+ public function withPath($path);
+
+ /**
+ * Return an instance with the specified query string.
+ *
+ * This method MUST retain the state of the current instance, and return
+ * an instance that contains the specified query string.
+ *
+ * Users can provide both encoded and decoded query characters.
+ * Implementations ensure the correct encoding as outlined in getQuery().
+ *
+ * An empty query string value is equivalent to removing the query string.
+ *
+ * @param string $query The query string to use with the new instance.
+ * @return static A new instance with the specified query string.
+ * @throws \InvalidArgumentException for invalid query strings.
+ */
+ public function withQuery($query);
+
+ /**
+ * Return an instance with the specified URI fragment.
+ *
+ * This method MUST retain the state of the current instance, and return
+ * an instance that contains the specified URI fragment.
+ *
+ * Users can provide both encoded and decoded fragment characters.
+ * Implementations ensure the correct encoding as outlined in getFragment().
+ *
+ * An empty fragment value is equivalent to removing the fragment.
+ *
+ * @param string $fragment The fragment to use with the new instance.
+ * @return static A new instance with the specified fragment.
+ */
+ public function withFragment($fragment);
+
+ /**
+ * Return the string representation as a URI reference.
+ *
+ * Depending on which components of the URI are present, the resulting
+ * string is either a full URI or relative reference according to RFC 3986,
+ * Section 4.1. The method concatenates the various components of the URI,
+ * using the appropriate delimiters:
+ *
+ * - If a scheme is present, it MUST be suffixed by ":".
+ * - If an authority is present, it MUST be prefixed by "//".
+ * - The path can be concatenated without delimiters. But there are two
+ * cases where the path has to be adjusted to make the URI reference
+ * valid as PHP does not allow to throw an exception in __toString():
+ * - If the path is rootless and an authority is present, the path MUST
+ * be prefixed by "/".
+ * - If the path is starting with more than one "/" and no authority is
+ * present, the starting slashes MUST be reduced to one.
+ * - If a query is present, it MUST be prefixed by "?".
+ * - If a fragment is present, it MUST be prefixed by "#".
+ *
+ * @see http://tools.ietf.org/html/rfc3986#section-4.1
+ * @return string
+ */
+ public function __toString();
+}