--- /dev/null
+<?php
+namespace GuzzleHttp\Psr7;
+
+use Psr\Http\Message\UriInterface;
+
+/**
+ * PSR-7 URI implementation.
+ *
+ * @author Michael Dowling
+ * @author Tobias Schultze
+ * @author Matthew Weier O'Phinney
+ */
+class Uri implements UriInterface
+{
+ /**
+ * Absolute http and https URIs require a host per RFC 7230 Section 2.7
+ * but in generic URIs the host can be empty. So for http(s) URIs
+ * we apply this default host when no host is given yet to form a
+ * valid URI.
+ */
+ const HTTP_DEFAULT_HOST = 'localhost';
+
+ private static $defaultPorts = [
+ 'http' => 80,
+ 'https' => 443,
+ 'ftp' => 21,
+ 'gopher' => 70,
+ 'nntp' => 119,
+ 'news' => 119,
+ 'telnet' => 23,
+ 'tn3270' => 23,
+ 'imap' => 143,
+ 'pop' => 110,
+ 'ldap' => 389,
+ ];
+
+ private static $charUnreserved = 'a-zA-Z0-9_\-\.~';
+ private static $charSubDelims = '!\$&\'\(\)\*\+,;=';
+ private static $replaceQuery = ['=' => '%3D', '&' => '%26'];
+
+ /** @var string Uri scheme. */
+ private $scheme = '';
+
+ /** @var string Uri user info. */
+ private $userInfo = '';
+
+ /** @var string Uri host. */
+ private $host = '';
+
+ /** @var int|null Uri port. */
+ private $port;
+
+ /** @var string Uri path. */
+ private $path = '';
+
+ /** @var string Uri query string. */
+ private $query = '';
+
+ /** @var string Uri fragment. */
+ private $fragment = '';
+
+ /**
+ * @param string $uri URI to parse
+ */
+ public function __construct($uri = '')
+ {
+ // weak type check to also accept null until we can add scalar type hints
+ if ($uri != '') {
+ $parts = parse_url($uri);
+ if ($parts === false) {
+ throw new \InvalidArgumentException("Unable to parse URI: $uri");
+ }
+ $this->applyParts($parts);
+ }
+ }
+
+ public function __toString()
+ {
+ return self::composeComponents(
+ $this->scheme,
+ $this->getAuthority(),
+ $this->path,
+ $this->query,
+ $this->fragment
+ );
+ }
+
+ /**
+ * Composes a URI reference string from its various components.
+ *
+ * Usually this method does not need to be called manually but instead is used indirectly via
+ * `Psr\Http\Message\UriInterface::__toString`.
+ *
+ * PSR-7 UriInterface treats an empty component the same as a missing component as
+ * getQuery(), getFragment() etc. always return a string. This explains the slight
+ * difference to RFC 3986 Section 5.3.
+ *
+ * Another adjustment is that the authority separator is added even when the authority is missing/empty
+ * for the "file" scheme. This is because PHP stream functions like `file_get_contents` only work with
+ * `file:///myfile` but not with `file:/myfile` although they are equivalent according to RFC 3986. But
+ * `file:///` is the more common syntax for the file scheme anyway (Chrome for example redirects to
+ * that format).
+ *
+ * @param string $scheme
+ * @param string $authority
+ * @param string $path
+ * @param string $query
+ * @param string $fragment
+ *
+ * @return string
+ *
+ * @link https://tools.ietf.org/html/rfc3986#section-5.3
+ */
+ public static function composeComponents($scheme, $authority, $path, $query, $fragment)
+ {
+ $uri = '';
+
+ // weak type checks to also accept null until we can add scalar type hints
+ if ($scheme != '') {
+ $uri .= $scheme . ':';
+ }
+
+ if ($authority != ''|| $scheme === 'file') {
+ $uri .= '//' . $authority;
+ }
+
+ $uri .= $path;
+
+ if ($query != '') {
+ $uri .= '?' . $query;
+ }
+
+ if ($fragment != '') {
+ $uri .= '#' . $fragment;
+ }
+
+ return $uri;
+ }
+
+ /**
+ * Whether the URI has the default port of the current scheme.
+ *
+ * `Psr\Http\Message\UriInterface::getPort` may return null or the standard port. This method can be used
+ * independently of the implementation.
+ *
+ * @param UriInterface $uri
+ *
+ * @return bool
+ */
+ public static function isDefaultPort(UriInterface $uri)
+ {
+ return $uri->getPort() === null
+ || (isset(self::$defaultPorts[$uri->getScheme()]) && $uri->getPort() === self::$defaultPorts[$uri->getScheme()]);
+ }
+
+ /**
+ * Whether the URI is absolute, i.e. it has a scheme.
+ *
+ * An instance of UriInterface can either be an absolute URI or a relative reference. This method returns true
+ * if it is the former. An absolute URI has a scheme. A relative reference is used to express a URI relative
+ * to another URI, the base URI. Relative references can be divided into several forms:
+ * - network-path references, e.g. '//example.com/path'
+ * - absolute-path references, e.g. '/path'
+ * - relative-path references, e.g. 'subpath'
+ *
+ * @param UriInterface $uri
+ *
+ * @return bool
+ * @see Uri::isNetworkPathReference
+ * @see Uri::isAbsolutePathReference
+ * @see Uri::isRelativePathReference
+ * @link https://tools.ietf.org/html/rfc3986#section-4
+ */
+ public static function isAbsolute(UriInterface $uri)
+ {
+ return $uri->getScheme() !== '';
+ }
+
+ /**
+ * Whether the URI is a network-path reference.
+ *
+ * A relative reference that begins with two slash characters is termed an network-path reference.
+ *
+ * @param UriInterface $uri
+ *
+ * @return bool
+ * @link https://tools.ietf.org/html/rfc3986#section-4.2
+ */
+ public static function isNetworkPathReference(UriInterface $uri)
+ {
+ return $uri->getScheme() === '' && $uri->getAuthority() !== '';
+ }
+
+ /**
+ * Whether the URI is a absolute-path reference.
+ *
+ * A relative reference that begins with a single slash character is termed an absolute-path reference.
+ *
+ * @param UriInterface $uri
+ *
+ * @return bool
+ * @link https://tools.ietf.org/html/rfc3986#section-4.2
+ */
+ public static function isAbsolutePathReference(UriInterface $uri)
+ {
+ return $uri->getScheme() === ''
+ && $uri->getAuthority() === ''
+ && isset($uri->getPath()[0])
+ && $uri->getPath()[0] === '/';
+ }
+
+ /**
+ * Whether the URI is a relative-path reference.
+ *
+ * A relative reference that does not begin with a slash character is termed a relative-path reference.
+ *
+ * @param UriInterface $uri
+ *
+ * @return bool
+ * @link https://tools.ietf.org/html/rfc3986#section-4.2
+ */
+ public static function isRelativePathReference(UriInterface $uri)
+ {
+ return $uri->getScheme() === ''
+ && $uri->getAuthority() === ''
+ && (!isset($uri->getPath()[0]) || $uri->getPath()[0] !== '/');
+ }
+
+ /**
+ * Whether the URI is a same-document reference.
+ *
+ * A same-document reference refers to a URI that is, aside from its fragment
+ * component, identical to the base URI. When no base URI is given, only an empty
+ * URI reference (apart from its fragment) is considered a same-document reference.
+ *
+ * @param UriInterface $uri The URI to check
+ * @param UriInterface|null $base An optional base URI to compare against
+ *
+ * @return bool
+ * @link https://tools.ietf.org/html/rfc3986#section-4.4
+ */
+ public static function isSameDocumentReference(UriInterface $uri, UriInterface $base = null)
+ {
+ if ($base !== null) {
+ $uri = UriResolver::resolve($base, $uri);
+
+ return ($uri->getScheme() === $base->getScheme())
+ && ($uri->getAuthority() === $base->getAuthority())
+ && ($uri->getPath() === $base->getPath())
+ && ($uri->getQuery() === $base->getQuery());
+ }
+
+ return $uri->getScheme() === '' && $uri->getAuthority() === '' && $uri->getPath() === '' && $uri->getQuery() === '';
+ }
+
+ /**
+ * Removes dot segments from a path and returns the new path.
+ *
+ * @param string $path
+ *
+ * @return string
+ *
+ * @deprecated since version 1.4. Use UriResolver::removeDotSegments instead.
+ * @see UriResolver::removeDotSegments
+ */
+ public static function removeDotSegments($path)
+ {
+ return UriResolver::removeDotSegments($path);
+ }
+
+ /**
+ * Converts the relative URI into a new URI that is resolved against the base URI.
+ *
+ * @param UriInterface $base Base URI
+ * @param string|UriInterface $rel Relative URI
+ *
+ * @return UriInterface
+ *
+ * @deprecated since version 1.4. Use UriResolver::resolve instead.
+ * @see UriResolver::resolve
+ */
+ public static function resolve(UriInterface $base, $rel)
+ {
+ if (!($rel instanceof UriInterface)) {
+ $rel = new self($rel);
+ }
+
+ return UriResolver::resolve($base, $rel);
+ }
+
+ /**
+ * Creates a new URI with a specific query string value removed.
+ *
+ * Any existing query string values that exactly match the provided key are
+ * removed.
+ *
+ * @param UriInterface $uri URI to use as a base.
+ * @param string $key Query string key to remove.
+ *
+ * @return UriInterface
+ */
+ public static function withoutQueryValue(UriInterface $uri, $key)
+ {
+ $current = $uri->getQuery();
+ if ($current === '') {
+ return $uri;
+ }
+
+ $decodedKey = rawurldecode($key);
+ $result = array_filter(explode('&', $current), function ($part) use ($decodedKey) {
+ return rawurldecode(explode('=', $part)[0]) !== $decodedKey;
+ });
+
+ return $uri->withQuery(implode('&', $result));
+ }
+
+ /**
+ * Creates a new URI with a specific query string value.
+ *
+ * Any existing query string values that exactly match the provided key are
+ * removed and replaced with the given key value pair.
+ *
+ * A value of null will set the query string key without a value, e.g. "key"
+ * instead of "key=value".
+ *
+ * @param UriInterface $uri URI to use as a base.
+ * @param string $key Key to set.
+ * @param string|null $value Value to set
+ *
+ * @return UriInterface
+ */
+ public static function withQueryValue(UriInterface $uri, $key, $value)
+ {
+ $current = $uri->getQuery();
+
+ if ($current === '') {
+ $result = [];
+ } else {
+ $decodedKey = rawurldecode($key);
+ $result = array_filter(explode('&', $current), function ($part) use ($decodedKey) {
+ return rawurldecode(explode('=', $part)[0]) !== $decodedKey;
+ });
+ }
+
+ // Query string separators ("=", "&") within the key or value need to be encoded
+ // (while preventing double-encoding) before setting the query string. All other
+ // chars that need percent-encoding will be encoded by withQuery().
+ $key = strtr($key, self::$replaceQuery);
+
+ if ($value !== null) {
+ $result[] = $key . '=' . strtr($value, self::$replaceQuery);
+ } else {
+ $result[] = $key;
+ }
+
+ return $uri->withQuery(implode('&', $result));
+ }
+
+ /**
+ * Creates a URI from a hash of `parse_url` components.
+ *
+ * @param array $parts
+ *
+ * @return UriInterface
+ * @link http://php.net/manual/en/function.parse-url.php
+ *
+ * @throws \InvalidArgumentException If the components do not form a valid URI.
+ */
+ public static function fromParts(array $parts)
+ {
+ $uri = new self();
+ $uri->applyParts($parts);
+ $uri->validateState();
+
+ return $uri;
+ }
+
+ public function getScheme()
+ {
+ return $this->scheme;
+ }
+
+ public function getAuthority()
+ {
+ $authority = $this->host;
+ if ($this->userInfo !== '') {
+ $authority = $this->userInfo . '@' . $authority;
+ }
+
+ if ($this->port !== null) {
+ $authority .= ':' . $this->port;
+ }
+
+ return $authority;
+ }
+
+ public function getUserInfo()
+ {
+ return $this->userInfo;
+ }
+
+ public function getHost()
+ {
+ return $this->host;
+ }
+
+ public function getPort()
+ {
+ return $this->port;
+ }
+
+ public function getPath()
+ {
+ return $this->path;
+ }
+
+ public function getQuery()
+ {
+ return $this->query;
+ }
+
+ public function getFragment()
+ {
+ return $this->fragment;
+ }
+
+ public function withScheme($scheme)
+ {
+ $scheme = $this->filterScheme($scheme);
+
+ if ($this->scheme === $scheme) {
+ return $this;
+ }
+
+ $new = clone $this;
+ $new->scheme = $scheme;
+ $new->removeDefaultPort();
+ $new->validateState();
+
+ return $new;
+ }
+
+ public function withUserInfo($user, $password = null)
+ {
+ $info = $user;
+ if ($password != '') {
+ $info .= ':' . $password;
+ }
+
+ if ($this->userInfo === $info) {
+ return $this;
+ }
+
+ $new = clone $this;
+ $new->userInfo = $info;
+ $new->validateState();
+
+ return $new;
+ }
+
+ public function withHost($host)
+ {
+ $host = $this->filterHost($host);
+
+ if ($this->host === $host) {
+ return $this;
+ }
+
+ $new = clone $this;
+ $new->host = $host;
+ $new->validateState();
+
+ return $new;
+ }
+
+ public function withPort($port)
+ {
+ $port = $this->filterPort($port);
+
+ if ($this->port === $port) {
+ return $this;
+ }
+
+ $new = clone $this;
+ $new->port = $port;
+ $new->removeDefaultPort();
+ $new->validateState();
+
+ return $new;
+ }
+
+ public function withPath($path)
+ {
+ $path = $this->filterPath($path);
+
+ if ($this->path === $path) {
+ return $this;
+ }
+
+ $new = clone $this;
+ $new->path = $path;
+ $new->validateState();
+
+ return $new;
+ }
+
+ public function withQuery($query)
+ {
+ $query = $this->filterQueryAndFragment($query);
+
+ if ($this->query === $query) {
+ return $this;
+ }
+
+ $new = clone $this;
+ $new->query = $query;
+
+ return $new;
+ }
+
+ public function withFragment($fragment)
+ {
+ $fragment = $this->filterQueryAndFragment($fragment);
+
+ if ($this->fragment === $fragment) {
+ return $this;
+ }
+
+ $new = clone $this;
+ $new->fragment = $fragment;
+
+ return $new;
+ }
+
+ /**
+ * Apply parse_url parts to a URI.
+ *
+ * @param array $parts Array of parse_url parts to apply.
+ */
+ private function applyParts(array $parts)
+ {
+ $this->scheme = isset($parts['scheme'])
+ ? $this->filterScheme($parts['scheme'])
+ : '';
+ $this->userInfo = isset($parts['user']) ? $parts['user'] : '';
+ $this->host = isset($parts['host'])
+ ? $this->filterHost($parts['host'])
+ : '';
+ $this->port = isset($parts['port'])
+ ? $this->filterPort($parts['port'])
+ : null;
+ $this->path = isset($parts['path'])
+ ? $this->filterPath($parts['path'])
+ : '';
+ $this->query = isset($parts['query'])
+ ? $this->filterQueryAndFragment($parts['query'])
+ : '';
+ $this->fragment = isset($parts['fragment'])
+ ? $this->filterQueryAndFragment($parts['fragment'])
+ : '';
+ if (isset($parts['pass'])) {
+ $this->userInfo .= ':' . $parts['pass'];
+ }
+
+ $this->removeDefaultPort();
+ }
+
+ /**
+ * @param string $scheme
+ *
+ * @return string
+ *
+ * @throws \InvalidArgumentException If the scheme is invalid.
+ */
+ private function filterScheme($scheme)
+ {
+ if (!is_string($scheme)) {
+ throw new \InvalidArgumentException('Scheme must be a string');
+ }
+
+ return strtolower($scheme);
+ }
+
+ /**
+ * @param string $host
+ *
+ * @return string
+ *
+ * @throws \InvalidArgumentException If the host is invalid.
+ */
+ private function filterHost($host)
+ {
+ if (!is_string($host)) {
+ throw new \InvalidArgumentException('Host must be a string');
+ }
+
+ return strtolower($host);
+ }
+
+ /**
+ * @param int|null $port
+ *
+ * @return int|null
+ *
+ * @throws \InvalidArgumentException If the port is invalid.
+ */
+ private function filterPort($port)
+ {
+ if ($port === null) {
+ return null;
+ }
+
+ $port = (int) $port;
+ if (1 > $port || 0xffff < $port) {
+ throw new \InvalidArgumentException(
+ sprintf('Invalid port: %d. Must be between 1 and 65535', $port)
+ );
+ }
+
+ return $port;
+ }
+
+ private function removeDefaultPort()
+ {
+ if ($this->port !== null && self::isDefaultPort($this)) {
+ $this->port = null;
+ }
+ }
+
+ /**
+ * Filters the path of a URI
+ *
+ * @param string $path
+ *
+ * @return string
+ *
+ * @throws \InvalidArgumentException If the path is invalid.
+ */
+ private function filterPath($path)
+ {
+ if (!is_string($path)) {
+ throw new \InvalidArgumentException('Path must be a string');
+ }
+
+ return preg_replace_callback(
+ '/(?:[^' . self::$charUnreserved . self::$charSubDelims . '%:@\/]++|%(?![A-Fa-f0-9]{2}))/',
+ [$this, 'rawurlencodeMatchZero'],
+ $path
+ );
+ }
+
+ /**
+ * Filters the query string or fragment of a URI.
+ *
+ * @param string $str
+ *
+ * @return string
+ *
+ * @throws \InvalidArgumentException If the query or fragment is invalid.
+ */
+ private function filterQueryAndFragment($str)
+ {
+ if (!is_string($str)) {
+ throw new \InvalidArgumentException('Query and fragment must be a string');
+ }
+
+ return preg_replace_callback(
+ '/(?:[^' . self::$charUnreserved . self::$charSubDelims . '%:@\/\?]++|%(?![A-Fa-f0-9]{2}))/',
+ [$this, 'rawurlencodeMatchZero'],
+ $str
+ );
+ }
+
+ private function rawurlencodeMatchZero(array $match)
+ {
+ return rawurlencode($match[0]);
+ }
+
+ private function validateState()
+ {
+ if ($this->host === '' && ($this->scheme === 'http' || $this->scheme === 'https')) {
+ $this->host = self::HTTP_DEFAULT_HOST;
+ }
+
+ if ($this->getAuthority() === '') {
+ if (0 === strpos($this->path, '//')) {
+ throw new \InvalidArgumentException('The path of a URI without an authority must not start with two slashes "//"');
+ }
+ if ($this->scheme === '' && false !== strpos(explode('/', $this->path, 2)[0], ':')) {
+ throw new \InvalidArgumentException('A relative URI must not have a path beginning with a segment containing a colon');
+ }
+ } elseif (isset($this->path[0]) && $this->path[0] !== '/') {
+ @trigger_error(
+ 'The path of a URI with an authority must start with a slash "/" or be empty. Automagically fixing the URI ' .
+ 'by adding a leading slash to the path is deprecated since version 1.4 and will throw an exception instead.',
+ E_USER_DEPRECATED
+ );
+ $this->path = '/'. $this->path;
+ //throw new \InvalidArgumentException('The path of a URI with an authority must start with a slash "/" or be empty');
+ }
+ }
+}
projects / yaffs-website / blobdiff