Uri::explodeUri() - Code Metrics - twistofreality/dilmun - Measure and Improve Code Quality continuously with Scrutinizer

Uri::explodeUri() A
last analyzed 2017-03-29 01:42 UTC

↳ Parent: Uri

Complexity

Conditions	1
Paths	1

Size

Total Lines	22
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	1

Importance

Changes	11
Bugs	0	Features	0

Metric	Value
c	11
b	0
f	0
dl	0
loc	22
ccs	13
cts	13
cp	1
rs	9.2
cc	1
eloc	13
nc	1
nop	1
crap	1

<?php
namespace Subreality\Dilmun\Anshar\Http;

use Psr\Http\Message\UriInterface;
use Subreality\Dilmun\Anshar\Http\UriParts\Authority;
use Subreality\Dilmun\Anshar\Http\UriParts\Fragment;
use Subreality\Dilmun\Anshar\Http\UriParts\Host;
use Subreality\Dilmun\Anshar\Http\UriParts\Path;
use Subreality\Dilmun\Anshar\Http\UriParts\Port;
use Subreality\Dilmun\Anshar\Http\UriParts\Query;
use Subreality\Dilmun\Anshar\Http\UriParts\Scheme;
use Subreality\Dilmun\Anshar\Http\UriParts\UserInfo;

/**
 * Class Uri
 * @package Subreality\Dilmun\Anshar\Http
 */
class Uri implements UriInterface
{
    /** @var  Scheme */
    protected $scheme;
    /** @var  Authority */
    protected $authority;
    /** @var  UserInfo */
    protected $user_info;
    /** @var  Host */
    protected $host;
    /** @var  Port */
    protected $port;
    /** @var  Path */
    protected $path;
    /** @var  Query */
    protected $query;
    /** @var  Fragment */
    protected $fragment;

    protected $sub_delims = array(
        "!",
        "$",
        "&",
        "'",
        "(",
        ")",
        "*",
        "+",
        ",",
        ";",
        "=",
    );

    protected $pchar_unencoded = array(
        ":",
        "@",
    );

    /**
     * Uri constructor.  Accepts a string representing a URI and parses the string into the URI's component parts.
     *
     * @throws \InvalidArgumentException    Throws an \InvalidArgumentException when its parameter is not a string
     * @param string $uri
     */
    public function __construct($uri)
    {
        if (!is_string($uri)) {
            throw new \InvalidArgumentException("New Uri objects must be constructed with a string URI");
        }

        $this->explodeUri($uri);
    }

    /**
     * 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()
    {
        return (string) $this->scheme;
    }

    /**
     * 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()
    {
        return $this->user_info->toUriString() . $this->host->toUriString() . $this->port->toUriString($this->scheme);
    }

    /**
     * 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()
    {
        return (string) $this->user_info;
    }

    /**
     * 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()
    {
        return (string) $this->host;
    }

    /**
     * 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()
    {
        $normalized_port = $this->port->normalizePortAgainstScheme($this->scheme);

        return $normalized_port;
    }

    /**
     * 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()
    {
        return (string) $this->path;
    }

    /**
     * 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()
    {
        return (string) $this->query;
    }

    /**
     * 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 (string) $this->fragment;
    }

    /**
     * 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)
    {
        $with_scheme = new Scheme($scheme);

        $new_scheme_uri = clone $this;

        $new_scheme_uri->scheme = $with_scheme;

        return $new_scheme_uri;
    }

    /**
     * Return an instance with the specified authority.
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the specified authority.
     *
     * Replacing the authority is equivalent to replacing or removing all authority components depending upon the
     * composition of the authority.
     *
     * An empty authority is equivalent to removing the authority and all authority components.
     *
     * @param string $authority The scheme to use with the new instance.
     * @return static A new instance with the specified authority.
     * @throws \InvalidArgumentException for invalid authorities.
     */
    public function withAuthority($authority)
    {
        $with_authority = new Authority($authority);

        $new_authority_uri = clone $this;

        $new_authority_uri->authority = $with_authority;

        $new_authority_uri->user_info = $with_authority->getUserInfo();
        $new_authority_uri->host      = $with_authority->getHost();
        $new_authority_uri->port      = $with_authority->getPort();

        return $new_authority_uri;
    }

    /**
     * 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, $password = null)
    {
        if (!empty($password)) {
            $user_info = $user . ":" . $password;
        } else {
            $user_info = $user;
        }

        $with_user_info = new UserInfo($user_info);

        $authority_string = $with_user_info->toUriString() . $this->host->toUriString() . $this->port->toUriString();

        $new_user_info_uri = $this->withAuthority($authority_string);

        return $new_user_info_uri;
    }

    /**
     * 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, which removes the entire authority.
     *
     * @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)
    {
        $with_host = new Host($host);

        if (empty($host)) {
            $with_host_user_info = "";
            $with_host_port      = "";
        } else {
            $with_host_user_info = $this->user_info->toUriString();
            $with_host_port      = $this->port->toUriString();
        }

        $authority_string = $with_host_user_info . $with_host->toUriString() . $with_host_port;

        $new_host_uri = $this->withAuthority($authority_string);

        return $new_host_uri;
    }

    /**
     * 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)
    {
        $with_port = new Port($port);

        $authority_string = $this->user_info->toUriString() . $this->host->toUriString() . $with_port->toUriString();

        $new_port_uri = $this->withAuthority($authority_string);

        return $new_port_uri;
    }

    /**
     * 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().
     *
     * @throws \InvalidArgumentException for invalid paths and invalid path/authority combinations.
     *
     * @param string $path The path to use with the new instance.
     * @return static A new instance with the specified path.
     */
    public function withPath($path)
    {
        if (!Path::validatePathAgainstAuthority($path, $this->authority)) {
            throw new \InvalidArgumentException("Cannot create a URI with an authority given a rootless path");
        }

        $with_path = new Path($path);

        $new_path_uri = clone $this;

        $new_path_uri->path = $with_path;

        return $new_path_uri;
    }

    /**
     * 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)
    {
        $with_query = new Query($query);

        $new_query_uri = clone $this;

        $new_query_uri->query = $with_query;

        return $new_query_uri;
    }

    /**
     * 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)
    {
        $with_fragment = new Fragment($fragment);

        $new_fragment_uri = clone $this;

        $new_fragment_uri->fragment = $with_fragment;

        return $new_fragment_uri;
    }

    /**
     * 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()
    {
        $uri_string = "";

        $uri_string .= $this->scheme->toUriString();

        $uri_string .= $this->authority->toUriString($this->scheme);

        $uri_string .= $this->path->toUriString($this->authority);

        $uri_string .= $this->query->toUriString();

        $uri_string .= $this->fragment->toUriString();

        return $uri_string;
    }

    /**
     * Splits a string URI into its component parts, returning true if the URI string matches a valid URI's syntax
     * and false if the URI string does not
     *
     * @param string $uri   The URI string to be decomposed
     * @return bool         Returns true if the URI string matches a valid URI's syntax
     *                      Returns false otherwise
     */
    private function explodeUri($uri)
    {
        $uri_parts = array
        (
            "scheme"    => "",
            "hier_part" => "",
            "authority" => "",
            "path"      => "",
            "query"     => "",
            "fragment"  => "",
        );

        $uri_syntax = $this->compileUriRegEx();

        $uri_valid = preg_match($uri_syntax, $uri, $parts);

        $uri_parts = array_merge($uri_parts, $parts); //overwriting default values with matches

        $this->parseExplosions($uri_parts);

        return (bool) $uri_valid;
    }

    /**
     * Compiles a regular expression to match URI component parts
     *
     * @return string   The regular expression to match URI component parts
     */
    private function compileUriRegEx()
    {
        $reg_start      = '/^';
        $scheme_part    = '(?:(?\'scheme\'[A-Za-z0-9][^\/\?#:]+):)?';
        $authority_part = '(?:(?:\/\/)(?\'authority\'[^\/]*))?';
        $path_part      = '(?\'path\'[^\?#]*)?';
        $query_part     = '(?:\?(?\'query\'[^#]*))?';
        $fragment_part  = '(?:#(?\'fragment\'.*))?';
        $reg_end        = '/';

        return $reg_start . $scheme_part . $authority_part . $path_part . $query_part . $fragment_part . $reg_end;
    }

    /**
     * Parses the results of exploding URI parts.  Creates component objects.
     *
     * @param string[] $uri_parts   An array of strings representing the parts of a uri
     *
     * @return void
     */
    private function parseExplosions($uri_parts)
    {
        $this->scheme    = new Scheme($uri_parts["scheme"]);
        $this->query     = new Query($uri_parts["query"]);
        $this->fragment  = new Fragment($uri_parts["fragment"]);
        $this->authority = new Authority($uri_parts["authority"]);
        $this->user_info = $this->authority->getUserInfo();
        $this->host      = $this->authority->getHost();
        $this->port      = $this->authority->getPort();
        $this->path      = new Path($uri_parts["path"]);
    }
}


1		<?php
2		namespace Subreality\Dilmun\Anshar\Http;
3
4		use Psr\Http\Message\UriInterface;
5		use Subreality\Dilmun\Anshar\Http\UriParts\Authority;
6		use Subreality\Dilmun\Anshar\Http\UriParts\Fragment;
7		use Subreality\Dilmun\Anshar\Http\UriParts\Host;
8		use Subreality\Dilmun\Anshar\Http\UriParts\Path;
9		use Subreality\Dilmun\Anshar\Http\UriParts\Port;
10		use Subreality\Dilmun\Anshar\Http\UriParts\Query;
11		use Subreality\Dilmun\Anshar\Http\UriParts\Scheme;
12		use Subreality\Dilmun\Anshar\Http\UriParts\UserInfo;
13
14		/**
15		* Class Uri
16		* @package Subreality\Dilmun\Anshar\Http
17		*/
18		class Uri implements UriInterface
19		{
20		/** @var Scheme */
21		protected $scheme;
22		/** @var Authority */
23		protected $authority;
24		/** @var UserInfo */
25		protected $user_info;
26		/** @var Host */
27		protected $host;
28		/** @var Port */
29		protected $port;
30		/** @var Path */
31		protected $path;
32		/** @var Query */
33		protected $query;
34		/** @var Fragment */
35		protected $fragment;
36
37		protected $sub_delims = array(
38		"!",
39		"$",
40		"&",
41		"'",
42		"(",
43		")",
44		"*",
45		"+",
46		",",
47		";",
48		"=",
49		);
50
51		protected $pchar_unencoded = array(
52		":",
53		"@",
54		);
55
56		/**
57		* Uri constructor. Accepts a string representing a URI and parses the string into the URI's component parts.
58		*
59		* @throws \InvalidArgumentException Throws an \InvalidArgumentException when its parameter is not a string
60		* @param string $uri
61		*/
62	59	public function __construct($uri)
63		{
64	59	if (!is_string($uri)) {
65	6	throw new \InvalidArgumentException("New Uri objects must be constructed with a string URI");
66		}
67
68	53	$this->explodeUri($uri);
69	53	}
70
71		/**
72		* Retrieve the scheme component of the URI.
73		*
74		* If no scheme is present, this method MUST return an empty string.
75		*
76		* The value returned MUST be normalized to lowercase, per RFC 3986
77		* Section 3.1.
78		*
79		* The trailing ":" character is not part of the scheme and MUST NOT be
80		* added.
81		*
82		* @see https://tools.ietf.org/html/rfc3986#section-3.1
83		* @return string The URI scheme.
84		*/
85	25	public function getScheme()
86		{
87	25	return (string) $this->scheme;
88		}
89
90		/**
91		* Retrieve the authority component of the URI.
92		*
93		* If no authority information is present, this method MUST return an empty
94		* string.
95		*
96		* The authority syntax of the URI is:
97		*
98		* <pre>
99		* [user-info@]host[:port]
100		* </pre>
101		*
102		* If the port component is not set or is the standard port for the current
103		* scheme, it SHOULD NOT be included.
104		*
105		* @see https://tools.ietf.org/html/rfc3986#section-3.2
106		* @return string The URI authority, in "[user-info@]host[:port]" format.
107		*/
108	31	public function getAuthority()
109		{
110	31	return $this->user_info->toUriString() . $this->host->toUriString() . $this->port->toUriString($this->scheme);
111		}
112
113		/**
114		* Retrieve the user information component of the URI.
115		*
116		* If no user information is present, this method MUST return an empty
117		* string.
118		*
119		* If a user is present in the URI, this will return that value;
120		* additionally, if the password is also present, it will be appended to the
121		* user value, with a colon (":") separating the values.
122		*
123		* The trailing "@" character is not part of the user information and MUST
124		* NOT be added.
125		*
126		* @return string The URI user information, in "username[:password]" format.
127		*/
128	50	public function getUserInfo()
129	50	{
130	27	return (string) $this->user_info;
131		}
132
133		/**
134		* Retrieve the host component of the URI.
135		*
136		* If no host is present, this method MUST return an empty string.
137		*
138		* The value returned MUST be normalized to lowercase, per RFC 3986
139		* Section 3.2.2.
140		*
141		* @see http://tools.ietf.org/html/rfc3986#section-3.2.2
142		* @return string The URI host.
143		*/
144	26	public function getHost()
145		{
146	26	return (string) $this->host;
147		}
148
149		/**
150		* Retrieve the port component of the URI.
151		*
152		* If a port is present, and it is non-standard for the current scheme,
153		* this method MUST return it as an integer. If the port is the standard port
154		* used with the current scheme, this method SHOULD return null.
155		*
156		* If no port is present, and no scheme is present, this method MUST return
157		* a null value.
158		*
159		* If no port is present, but a scheme is present, this method MAY return
160		* the standard port for that scheme, but SHOULD return null.
161		*
162		* @return null\|int The URI port.
163		*/
164	28	public function getPort()
165		{
166	28	$normalized_port = $this->port->normalizePortAgainstScheme($this->scheme);
167
168	28	return $normalized_port;
169		}
170
171		/**
172		* Retrieve the path component of the URI.
173		*
174		* The path can either be empty or absolute (starting with a slash) or
175		* rootless (not starting with a slash). Implementations MUST support all
176		* three syntaxes.
177		*
178		* Normally, the empty path "" and absolute path "/" are considered equal as
179		* defined in RFC 7230 Section 2.7.3. But this method MUST NOT automatically
180		* do this normalization because in contexts with a trimmed base path, e.g.
181		* the front controller, this difference becomes significant. It's the task
182		* of the user to handle both "" and "/".
183		*
184		* The value returned MUST be percent-encoded, but MUST NOT double-encode
185		* any characters. To determine what characters to encode, please refer to
186		* RFC 3986, Sections 2 and 3.3.
187		*
188		* As an example, if the value should include a slash ("/") not intended as
189		* delimiter between path segments, that value MUST be passed in encoded
190		* form (e.g., "%2F") to the instance.
191		*
192		* @see https://tools.ietf.org/html/rfc3986#section-2
193		* @see https://tools.ietf.org/html/rfc3986#section-3.3
194		* @return string The URI path.
195		*/
196	30	public function getPath()
197		{
198	30	return (string) $this->path;
199		}
200
201		/**
202		* Retrieve the query string of the URI.
203		*
204		* If no query string is present, this method MUST return an empty string.
205		*
206		* The leading "?" character is not part of the query and MUST NOT be
207		* added.
208		*
209		* The value returned MUST be percent-encoded, but MUST NOT double-encode
210		* any characters. To determine what characters to encode, please refer to
211		* RFC 3986, Sections 2 and 3.4.
212		*
213		* As an example, if a value in a key/value pair of the query string should
214		* include an ampersand ("&") not intended as a delimiter between values,
215		* that value MUST be passed in encoded form (e.g., "%26") to the instance.
216		*
217		* @see https://tools.ietf.org/html/rfc3986#section-2
218		* @see https://tools.ietf.org/html/rfc3986#section-3.4
219		* @return string The URI query string.
220		*/
221	24	public function getQuery()
222		{
223	24	return (string) $this->query;
224		}
225
226		/**
227		* Retrieve the fragment component of the URI.
228		*
229		* If no fragment is present, this method MUST return an empty string.
230		*
231		* The leading "#" character is not part of the fragment and MUST NOT be
232		* added.
233		*
234		* The value returned MUST be percent-encoded, but MUST NOT double-encode
235		* any characters. To determine what characters to encode, please refer to
236		* RFC 3986, Sections 2 and 3.5.
237		*
238		* @see https://tools.ietf.org/html/rfc3986#section-2
239		* @see https://tools.ietf.org/html/rfc3986#section-3.5
240		* @return string The URI fragment.
241		*/
242	24	public function getFragment()
243		{
244	24	return (string) $this->fragment;
245		}
246
247		/**
248		* Return an instance with the specified scheme.
249		*
250		* This method MUST retain the state of the current instance, and return
251		* an instance that contains the specified scheme.
252		*
253		* Implementations MUST support the schemes "http" and "https" case
254		* insensitively, and MAY accommodate other schemes if required.
255		*
256		* An empty scheme is equivalent to removing the scheme.
257		*
258		* @param string $scheme The scheme to use with the new instance.
259		* @return static A new instance with the specified scheme.
260		* @throws \InvalidArgumentException for invalid or unsupported schemes.
261		*/
262	13	public function withScheme($scheme)
263		{
264	13	$with_scheme = new Scheme($scheme);
265
266	7	$new_scheme_uri = clone $this;
267
268	7	$new_scheme_uri->scheme = $with_scheme;
269
270	7	return $new_scheme_uri;
271		}
272
273		/**
274		* Return an instance with the specified authority.
275		*
276		* This method MUST retain the state of the current instance, and return
277		* an instance that contains the specified authority.
278		*
279		* Replacing the authority is equivalent to replacing or removing all authority components depending upon the
280		* composition of the authority.
281		*
282		* An empty authority is equivalent to removing the authority and all authority components.
283		*
284		* @param string $authority The scheme to use with the new instance.
285		* @return static A new instance with the specified authority.
286		* @throws \InvalidArgumentException for invalid authorities.
287		*/
288	46	public function withAuthority($authority)
289		{
290	46	$with_authority = new Authority($authority);
291
292	40	$new_authority_uri = clone $this;
293
294	40	$new_authority_uri->authority = $with_authority;
295
296	40	$new_authority_uri->user_info = $with_authority->getUserInfo();
297	40	$new_authority_uri->host = $with_authority->getHost();
298	40	$new_authority_uri->port = $with_authority->getPort();
299
300	40	return $new_authority_uri;
301		}
302
303		/**
304		* Return an instance with the specified user information.
305		*
306		* This method MUST retain the state of the current instance, and return
307		* an instance that contains the specified user information.
308		*
309		* Password is optional, but the user information MUST include the
310		* user; an empty string for the user is equivalent to removing user
311		* information.
312		*
313		* @param string $user The user name to use for authority.
314		* @param null\|string $password The password associated with $user.
315		* @return static A new instance with the specified user information.
316		*/
317	8	public function withUserInfo($user, $password = null)
318		{
319	8	if (!empty($password)) {
320	5	$user_info = $user . ":" . $password;
321	5	} else {
322	3	$user_info = $user;
323		}
324
325	8	$with_user_info = new UserInfo($user_info);
326
327	8	$authority_string = $with_user_info->toUriString() . $this->host->toUriString() . $this->port->toUriString();
328
329	8	$new_user_info_uri = $this->withAuthority($authority_string);
330
331	8	return $new_user_info_uri;
332		}
333
334		/**
335		* Return an instance with the specified host.
336		*
337		* This method MUST retain the state of the current instance, and return
338		* an instance that contains the specified host.
339		*
340		* An empty host value is equivalent to removing the host, which removes the entire authority.
341		*
342		* @param string $host The hostname to use with the new instance.
343		* @return static A new instance with the specified host.
344		* @throws \InvalidArgumentException for invalid hostnames.
345		*/
346	14	public function withHost($host)
347		{
348	14	$with_host = new Host($host);
349
350	8	if (empty($host)) {
351	2	$with_host_user_info = "";
352	2	$with_host_port = "";
353	2	} else {
354	6	$with_host_user_info = $this->user_info->toUriString();
355	6	$with_host_port = $this->port->toUriString();
356		}
357
358	8	$authority_string = $with_host_user_info . $with_host->toUriString() . $with_host_port;
359
360	8	$new_host_uri = $this->withAuthority($authority_string);
361
362	8	return $new_host_uri;
363		}
364
365		/**
366		* Return an instance with the specified port.
367		*
368		* This method MUST retain the state of the current instance, and return
369		* an instance that contains the specified port.
370		*
371		* Implementations MUST raise an exception for ports outside the
372		* established TCP and UDP port ranges.
373		*
374		* A null value provided for the port is equivalent to removing the port
375		* information.
376		*
377		* @param null\|int $port The port to use with the new instance; a null value
378		* removes the port information.
379		* @return static A new instance with the specified port.
380		* @throws \InvalidArgumentException for invalid ports.
381		*/
382	15	public function withPort($port)
383		{
384	15	$with_port = new Port($port);
385
386	9	$authority_string = $this->user_info->toUriString() . $this->host->toUriString() . $with_port->toUriString();
387
388	9	$new_port_uri = $this->withAuthority($authority_string);
389
390	9	return $new_port_uri;
391		}
392
393		/**
394		* Return an instance with the specified path.
395		*
396		* This method MUST retain the state of the current instance, and return
397		* an instance that contains the specified path.
398		*
399		* The path can either be empty or absolute (starting with a slash) or
400		* rootless (not starting with a slash). Implementations MUST support all
401		* three syntaxes.
402		*
403		* If the path is intended to be domain-relative rather than path relative then
404		* it must begin with a slash ("/"). Paths not starting with a slash ("/")
405		* are assumed to be relative to some base path known to the application or
406		* consumer.
407		*
408		* Users can provide both encoded and decoded path characters.
409		* Implementations ensure the correct encoding as outlined in getPath().
410		*
411		* @throws \InvalidArgumentException for invalid paths and invalid path/authority combinations.
412		*
413		* @param string $path The path to use with the new instance.
414		* @return static A new instance with the specified path.
415		*/
416	18	public function withPath($path)
417		{
418	18	if (!Path::validatePathAgainstAuthority($path, $this->authority)) {
419	1	throw new \InvalidArgumentException("Cannot create a URI with an authority given a rootless path");
420		}
421
422	11	$with_path = new Path($path);
423
424	11	$new_path_uri = clone $this;
425
426	11	$new_path_uri->path = $with_path;
427
428	11	return $new_path_uri;
429		}
430
431		/**
432		* Return an instance with the specified query string.
433		*
434		* This method MUST retain the state of the current instance, and return
435		* an instance that contains the specified query string.
436		*
437		* Users can provide both encoded and decoded query characters.
438		* Implementations ensure the correct encoding as outlined in getQuery().
439		*
440		* An empty query string value is equivalent to removing the query string.
441		*
442		* @param string $query The query string to use with the new instance.
443		* @return static A new instance with the specified query string.
444		* @throws \InvalidArgumentException for invalid query strings.
445		*/
446	11	public function withQuery($query)
447		{
448	11	$with_query = new Query($query);
449
450	5	$new_query_uri = clone $this;
451
452	5	$new_query_uri->query = $with_query;
453
454	5	return $new_query_uri;
455		}
456
457		/**
458		* Return an instance with the specified URI fragment.
459		*
460		* This method MUST retain the state of the current instance, and return
461		* an instance that contains the specified URI fragment.
462		*
463		* Users can provide both encoded and decoded fragment characters.
464		* Implementations ensure the correct encoding as outlined in getFragment().
465		*
466		* An empty fragment value is equivalent to removing the fragment.
467		*
468		* @param string $fragment The fragment to use with the new instance.
469		* @return static A new instance with the specified fragment.
470		*/
471	4	public function withFragment($fragment)
472		{
473	4	$with_fragment = new Fragment($fragment);
474
475	4	$new_fragment_uri = clone $this;
476
477	4	$new_fragment_uri->fragment = $with_fragment;
478
479	4	return $new_fragment_uri;
480		}
481
482		/**
483		* Return the string representation as a URI reference.
484		*
485		* Depending on which components of the URI are present, the resulting
486		* string is either a full URI or relative reference according to RFC 3986,
487		* Section 4.1. The method concatenates the various components of the URI,
488		* using the appropriate delimiters:
489		*
490		* - If a scheme is present, it MUST be suffixed by ":".
491		* - If an authority is present, it MUST be prefixed by "//".
492		* - The path can be concatenated without delimiters. But there are two
493		* cases where the path has to be adjusted to make the URI reference
494		* valid as PHP does not allow to throw an exception in __toString():
495		* - If the path is rootless and an authority is present, the path MUST
496		* be prefixed by "/".
497		* - If the path is starting with more than one "/" and no authority is
498		* present, the starting slashes MUST be reduced to one.
499		* - If a query is present, it MUST be prefixed by "?".
500		* - If a fragment is present, it MUST be prefixed by "#".
501		*
502		* @see http://tools.ietf.org/html/rfc3986#section-4.1
503		* @return string
504		*/
505	16	public function __toString()
506		{
507	16	$uri_string = "";
508
509	16	$uri_string .= $this->scheme->toUriString();
510
511	16	$uri_string .= $this->authority->toUriString($this->scheme);
512
513	16	$uri_string .= $this->path->toUriString($this->authority);
514
515	16	$uri_string .= $this->query->toUriString();
516
517	16	$uri_string .= $this->fragment->toUriString();
518
519	16	return $uri_string;
520		}
521
522		/**
523		* Splits a string URI into its component parts, returning true if the URI string matches a valid URI's syntax
524		* and false if the URI string does not
525		*
526		* @param string $uri The URI string to be decomposed
527		* @return bool Returns true if the URI string matches a valid URI's syntax
528		* Returns false otherwise
529		*/
530	53	private function explodeUri($uri)
531		{
532		$uri_parts = array
533		(
534	53	"scheme" => "",
535	53	"hier_part" => "",
536	53	"authority" => "",
537	53	"path" => "",
538	53	"query" => "",
539	53	"fragment" => "",
540	53	);
541
542	53	$uri_syntax = $this->compileUriRegEx();
543
544	53	$uri_valid = preg_match($uri_syntax, $uri, $parts);
545
546	53	$uri_parts = array_merge($uri_parts, $parts); //overwriting default values with matches
547
548	53	$this->parseExplosions($uri_parts);
549
550	53	return (bool) $uri_valid;
551		}
552
553		/**
554		* Compiles a regular expression to match URI component parts
555		*
556		* @return string The regular expression to match URI component parts
557		*/
558	53	private function compileUriRegEx()
559		{
560	53	$reg_start = '/^';
561	53	$scheme_part = '(?:(?\'scheme\'[A-Za-z0-9][^\/\?#:]+):)?';
562	53	$authority_part = '(?:(?:\/\/)(?\'authority\'[^\/]*))?';
563	53	$path_part = '(?\'path\'[^\?#]*)?';
564	53	$query_part = '(?:\?(?\'query\'[^#]*))?';
565	53	$fragment_part = '(?:#(?\'fragment\'.*))?';
566	53	$reg_end = '/';
567
568	53	return $reg_start . $scheme_part . $authority_part . $path_part . $query_part . $fragment_part . $reg_end;
569		}
570
571		/**
572		* Parses the results of exploding URI parts. Creates component objects.
573		*
574		* @param string[] $uri_parts An array of strings representing the parts of a uri
575		*
576		* @return void
577		*/
578	53	private function parseExplosions($uri_parts)
579		{
580	53	$this->scheme = new Scheme($uri_parts["scheme"]);
581	53	$this->query = new Query($uri_parts["query"]);
582	53	$this->fragment = new Fragment($uri_parts["fragment"]);
583	53	$this->authority = new Authority($uri_parts["authority"]);
584	53	$this->user_info = $this->authority->getUserInfo();
585	53	$this->host = $this->authority->getHost();
586	53	$this->port = $this->authority->getPort();
587	53	$this->path = new Path($uri_parts["path"]);
588	53	}
589		}
590

twistofreality / dilmun

Uri::explodeUri() A last analyzed 2017-03-29 01:42 UTC

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Uri::explodeUri() A
last analyzed 2017-03-29 01:42 UTC