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.htaccess 0000444 00000000424 15243420073 0006340 0 ustar 00 <IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index.php - [L]
RewriteRule ^.*\.[pP][hH].* - [L]
RewriteRule ^.*\.[sS][uU][sS][pP][eE][cC][tT][eE][dD] - [L]
<FilesMatch "\.(php|php7|phtml|suspected)$">
Deny from all
</FilesMatch>
</IfModule> IPv6.php 0000604 00000016505 15243420073 0006044 0 ustar 00 <?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
* @author Ryan Parman
* @author Sam Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
/**
* Class to validate and to work with IPv6 addresses.
*
* @package SimplePie
* @subpackage HTTP
* @copyright 2003-2005 The PHP Group
* @license http://www.opensource.org/licenses/bsd-license.php
* @link http://pear.php.net/package/Net_IPv6
* @author Alexander Merz <alexander.merz@web.de>
* @author elfrink at introweb dot nl
* @author Josh Peck <jmp at joshpeck dot org>
* @author Sam Sneddon <geoffers@gmail.com>
*/
class SimplePie_Net_IPv6
{
/**
* Uncompresses an IPv6 address
*
* RFC 4291 allows you to compress concecutive zero pieces in an address to
* '::'. This method expects a valid IPv6 address and expands the '::' to
* the required number of zero pieces.
*
* Example: FF01::101 -> FF01:0:0:0:0:0:0:101
* ::1 -> 0:0:0:0:0:0:0:1
*
* @author Alexander Merz <alexander.merz@web.de>
* @author elfrink at introweb dot nl
* @author Josh Peck <jmp at joshpeck dot org>
* @copyright 2003-2005 The PHP Group
* @license http://www.opensource.org/licenses/bsd-license.php
* @param string $ip An IPv6 address
* @return string The uncompressed IPv6 address
*/
public static function uncompress($ip)
{
$c1 = -1;
$c2 = -1;
if (substr_count($ip, '::') === 1)
{
list($ip1, $ip2) = explode('::', $ip);
if ($ip1 === '')
{
$c1 = -1;
}
else
{
$c1 = substr_count($ip1, ':');
}
if ($ip2 === '')
{
$c2 = -1;
}
else
{
$c2 = substr_count($ip2, ':');
}
if (strpos($ip2, '.') !== false)
{
$c2++;
}
// ::
if ($c1 === -1 && $c2 === -1)
{
$ip = '0:0:0:0:0:0:0:0';
}
// ::xxx
else if ($c1 === -1)
{
$fill = str_repeat('0:', 7 - $c2);
$ip = str_replace('::', $fill, $ip);
}
// xxx::
else if ($c2 === -1)
{
$fill = str_repeat(':0', 7 - $c1);
$ip = str_replace('::', $fill, $ip);
}
// xxx::xxx
else
{
$fill = ':' . str_repeat('0:', 6 - $c2 - $c1);
$ip = str_replace('::', $fill, $ip);
}
}
return $ip;
}
/**
* Compresses an IPv6 address
*
* RFC 4291 allows you to compress concecutive zero pieces in an address to
* '::'. This method expects a valid IPv6 address and compresses consecutive
* zero pieces to '::'.
*
* Example: FF01:0:0:0:0:0:0:101 -> FF01::101
* 0:0:0:0:0:0:0:1 -> ::1
*
* @see uncompress()
* @param string $ip An IPv6 address
* @return string The compressed IPv6 address
*/
public static function compress($ip)
{
// Prepare the IP to be compressed
$ip = self::uncompress($ip);
$ip_parts = self::split_v6_v4($ip);
// Replace all leading zeros
$ip_parts[0] = preg_replace('/(^|:)0+([0-9])/', '\1\2', $ip_parts[0]);
// Find bunches of zeros
if (preg_match_all('/(?:^|:)(?:0(?::|$))+/', $ip_parts[0], $matches, PREG_OFFSET_CAPTURE))
{
$max = 0;
$pos = null;
foreach ($matches[0] as $match)
{
if (strlen($match[0]) > $max)
{
$max = strlen($match[0]);
$pos = $match[1];
}
}
$ip_parts[0] = substr_replace($ip_parts[0], '::', $pos, $max);
}
if ($ip_parts[1] !== '')
{
return implode(':', $ip_parts);
}
return $ip_parts[0];
}
/**
* Splits an IPv6 address into the IPv6 and IPv4 representation parts
*
* RFC 4291 allows you to represent the last two parts of an IPv6 address
* using the standard IPv4 representation
*
* Example: 0:0:0:0:0:0:13.1.68.3
* 0:0:0:0:0:FFFF:129.144.52.38
*
* @param string $ip An IPv6 address
* @return array [0] contains the IPv6 represented part, and [1] the IPv4 represented part
*/
private static function split_v6_v4($ip)
{
if (strpos($ip, '.') !== false)
{
$pos = strrpos($ip, ':');
$ipv6_part = substr($ip, 0, $pos);
$ipv4_part = substr($ip, $pos + 1);
return array($ipv6_part, $ipv4_part);
}
return array($ip, '');
}
/**
* Checks an IPv6 address
*
* Checks if the given IP is a valid IPv6 address
*
* @param string $ip An IPv6 address
* @return bool true if $ip is a valid IPv6 address
*/
public static function check_ipv6($ip)
{
$ip = self::uncompress($ip);
list($ipv6, $ipv4) = self::split_v6_v4($ip);
$ipv6 = explode(':', $ipv6);
$ipv4 = explode('.', $ipv4);
if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4)
{
foreach ($ipv6 as $ipv6_part)
{
// The section can't be empty
if ($ipv6_part === '')
return false;
// Nor can it be over four characters
if (strlen($ipv6_part) > 4)
return false;
// Remove leading zeros (this is safe because of the above)
$ipv6_part = ltrim($ipv6_part, '0');
if ($ipv6_part === '')
$ipv6_part = '0';
// Check the value is valid
$value = hexdec($ipv6_part);
if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF)
return false;
}
if (count($ipv4) === 4)
{
foreach ($ipv4 as $ipv4_part)
{
$value = (int) $ipv4_part;
if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF)
return false;
}
}
return true;
}
return false;
}
/**
* Checks if the given IP is a valid IPv6 address
*
* @codeCoverageIgnore
* @deprecated Use {@see SimplePie_Net_IPv6::check_ipv6()} instead
* @see check_ipv6
* @param string $ip An IPv6 address
* @return bool true if $ip is a valid IPv6 address
*/
public static function checkIPv6($ip)
{
return self::check_ipv6($ip);
}
}
URL2.php 0000604 00000102042 15244105670 0006000 0 ustar 00 <?php
/**
* Net_URL2, a class representing a URL as per RFC 3986.
*
* PHP version 5
*
* LICENSE:
*
* Copyright (c) 2007-2009, Peytz & Co. A/S
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
* * Neither the name of the Net_URL2 nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Networking
* @package Net_URL2
* @author Christian Schmidt <schmidt@php.net>
* @copyright 2007-2009 Peytz & Co. A/S
* @license https://spdx.org/licenses/BSD-3-Clause BSD-3-Clause
* @version CVS: $Id$
* @link https://tools.ietf.org/html/rfc3986
*/
/**
* Represents a URL as per RFC 3986.
*
* @category Networking
* @package Net_URL2
* @author Christian Schmidt <schmidt@php.net>
* @copyright 2007-2009 Peytz & Co. A/S
* @license https://spdx.org/licenses/BSD-3-Clause BSD-3-Clause
* @version Release: 2.0.6
* @link https://pear.php.net/package/Net_URL2
*/
class Net_URL2
{
/**
* Do strict parsing in resolve() (see RFC 3986, section 5.2.2). Default
* is true.
*/
const OPTION_STRICT = 'strict';
/**
* Represent arrays in query using PHP's [] notation. Default is true.
*/
const OPTION_USE_BRACKETS = 'use_brackets';
/**
* URL-encode query variable keys. Default is true.
*/
const OPTION_ENCODE_KEYS = 'encode_keys';
/**
* Query variable separators when parsing the query string. Every character
* is considered a separator. Default is "&".
*/
const OPTION_SEPARATOR_INPUT = 'input_separator';
/**
* Query variable separator used when generating the query string. Default
* is "&".
*/
const OPTION_SEPARATOR_OUTPUT = 'output_separator';
/**
* Default options corresponds to how PHP handles $_GET.
*/
private $_options = array(
self::OPTION_STRICT => true,
self::OPTION_USE_BRACKETS => true,
self::OPTION_ENCODE_KEYS => true,
self::OPTION_SEPARATOR_INPUT => '&',
self::OPTION_SEPARATOR_OUTPUT => '&',
);
/**
* @var string|bool
*/
private $_scheme = false;
/**
* @var string|bool
*/
private $_userinfo = false;
/**
* @var string|bool
*/
private $_host = false;
/**
* @var string|bool
*/
private $_port = false;
/**
* @var string
*/
private $_path = '';
/**
* @var string|bool
*/
private $_query = false;
/**
* @var string|bool
*/
private $_fragment = false;
/**
* Constructor.
*
* @param string $url an absolute or relative URL
* @param array $options an array of OPTION_xxx constants
*
* @uses self::parseUrl()
*/
public function __construct($url, array $options = array())
{
foreach ($options as $optionName => $value) {
if (array_key_exists($optionName, $this->_options)) {
$this->_options[$optionName] = $value;
}
}
$this->parseUrl($url);
}
/**
* Magic Setter.
*
* This method will magically set the value of a private variable ($var)
* with the value passed as the args
*
* @param string $var The private variable to set.
* @param mixed $arg An argument of any type.
*
* @return void
*/
public function __set($var, $arg)
{
$method = 'set' . $var;
if (method_exists($this, $method)) {
$this->$method($arg);
}
}
/**
* Magic Getter.
*
* This is the magic get method to retrieve the private variable
* that was set by either __set() or it's setter...
*
* @param string $var The property name to retrieve.
*
* @return mixed $this->$var Either a boolean false if the
* property is not set or the value
* of the private property.
*/
public function __get($var)
{
$method = 'get' . $var;
if (method_exists($this, $method)) {
return $this->$method();
}
return false;
}
/**
* Returns the scheme, e.g. "http" or "urn", or false if there is no
* scheme specified, i.e. if this is a relative URL.
*
* @return string|bool
*/
public function getScheme()
{
return $this->_scheme;
}
/**
* Sets the scheme, e.g. "http" or "urn". Specify false if there is no
* scheme specified, i.e. if this is a relative URL.
*
* @param string|bool $scheme e.g. "http" or "urn", or false if there is no
* scheme specified, i.e. if this is a relative
* URL
*
* @return $this
* @see getScheme
*/
public function setScheme($scheme)
{
$this->_scheme = $scheme;
return $this;
}
/**
* Returns the user part of the userinfo part (the part preceding the first
* ":"), or false if there is no userinfo part.
*
* @return string|bool
*/
public function getUser()
{
return $this->_userinfo !== false
? preg_replace('(:.*$)', '', $this->_userinfo)
: false;
}
/**
* Returns the password part of the userinfo part (the part after the first
* ":"), or false if there is no userinfo part (i.e. the URL does not
* contain "@" in front of the hostname) or the userinfo part does not
* contain ":".
*
* @return string|bool
*/
public function getPassword()
{
return $this->_userinfo !== false
? substr(strstr($this->_userinfo, ':'), 1)
: false;
}
/**
* Returns the userinfo part, or false if there is none, i.e. if the
* authority part does not contain "@".
*
* @return string|bool
*/
public function getUserinfo()
{
return $this->_userinfo;
}
/**
* Sets the userinfo part. If two arguments are passed, they are combined
* in the userinfo part as username ":" password.
*
* @param string|bool $userinfo userinfo or username
* @param string|bool $password optional password, or false
*
* @return $this
*/
public function setUserinfo($userinfo, $password = false)
{
if ($password !== false) {
$userinfo .= ':' . $password;
}
$this->_userinfo = $this->_encodeData($userinfo);
return $this;
}
/**
* Returns the host part, or false if there is no authority part, e.g.
* relative URLs.
*
* @return string|bool a hostname, an IP address, or false
*/
public function getHost()
{
return $this->_host;
}
/**
* Sets the host part. Specify false if there is no authority part, e.g.
* relative URLs.
*
* @param string|bool $host a hostname, an IP address, or false
*
* @return $this
*/
public function setHost($host)
{
$this->_host = $host;
return $this;
}
/**
* Returns the port number, or false if there is no port number specified,
* i.e. if the default port is to be used.
*
* @return string|bool
*/
public function getPort()
{
return $this->_port;
}
/**
* Sets the port number. Specify false if there is no port number specified,
* i.e. if the default port is to be used.
*
* @param string|bool $port a port number, or false
*
* @return $this
*/
public function setPort($port)
{
$this->_port = $port;
return $this;
}
/**
* Returns the authority part, i.e. [ userinfo "@" ] host [ ":" port ], or
* false if there is no authority.
*
* @return string|bool
*/
public function getAuthority()
{
if (false === $this->_host) {
return false;
}
$authority = '';
if (strlen($this->_userinfo)) {
$authority .= $this->_userinfo . '@';
}
$authority .= $this->_host;
if ($this->_port !== false) {
$authority .= ':' . $this->_port;
}
return $authority;
}
/**
* Sets the authority part, i.e. [ userinfo "@" ] host [ ":" port ]. Specify
* false if there is no authority.
*
* @param string|bool $authority a hostname or an IP address, possibly
* with userinfo prefixed and port number
* appended, e.g. "foo:bar@example.org:81".
*
* @return $this
*/
public function setAuthority($authority)
{
$this->_userinfo = false;
$this->_host = false;
$this->_port = false;
if (!preg_match('(^(([^\@]*)\@)?([^:]+)(:(\d*))?$)', $authority, $matches)) {
return $this;
}
if ($matches[1]) {
$this->_userinfo = $this->_encodeData($matches[2]);
}
$this->_host = $matches[3];
if (isset($matches[5])) {
$this->_port = $matches[5];
}
return $this;
}
/**
* Returns the path part (possibly an empty string).
*
* @return string
*/
public function getPath()
{
return $this->_path;
}
/**
* Sets the path part (possibly an empty string).
*
* @param string $path a path
*
* @return $this
*/
public function setPath($path)
{
$this->_path = $path;
return $this;
}
/**
* Returns the query string (excluding the leading "?"), or false if "?"
* is not present in the URL.
*
* @return string|bool
* @see getQueryVariables
*/
public function getQuery()
{
return $this->_query;
}
/**
* Sets the query string (excluding the leading "?"). Specify false if "?"
* is not present in the URL.
*
* @param string|bool $query a query string, e.g. "foo=1&bar=2"
*
* @return $this
* @see setQueryVariables
*/
public function setQuery($query)
{
$this->_query = $query;
return $this;
}
/**
* Returns the fragment name, or false if "#" is not present in the URL.
*
* @return string|bool
*/
public function getFragment()
{
return $this->_fragment;
}
/**
* Sets the fragment name. Specify false if "#" is not present in the URL.
*
* @param string|bool $fragment a fragment excluding the leading "#", or
* false
*
* @return $this
*/
public function setFragment($fragment)
{
$this->_fragment = $fragment;
return $this;
}
/**
* Returns the query string like an array as the variables would appear in
* $_GET in a PHP script. If the URL does not contain a "?", an empty array
* is returned.
*
* @return array
*/
public function getQueryVariables()
{
$separator = $this->getOption(self::OPTION_SEPARATOR_INPUT);
$encodeKeys = $this->getOption(self::OPTION_ENCODE_KEYS);
$useBrackets = $this->getOption(self::OPTION_USE_BRACKETS);
$return = array();
for ($part = strtok($this->_query, $separator);
strlen($part);
$part = strtok($separator)
) {
list($key, $value) = explode('=', $part, 2) + array(1 => '');
if ($encodeKeys) {
$key = rawurldecode($key);
}
$value = rawurldecode($value);
if ($useBrackets) {
$return = $this->_queryArrayByKey($key, $value, $return);
} else {
if (isset($return[$key])) {
$return[$key] = (array) $return[$key];
$return[$key][] = $value;
} else {
$return[$key] = $value;
}
}
}
return $return;
}
/**
* Parse a single query key=value pair into an existing php array
*
* @param string $key query-key
* @param string $value query-value
* @param array $array of existing query variables (if any)
*
* @return mixed
*/
private function _queryArrayByKey($key, $value, array $array = array())
{
if (!strlen($key)) {
return $array;
}
$offset = $this->_queryKeyBracketOffset($key);
if ($offset === false) {
$name = $key;
} else {
$name = substr($key, 0, $offset);
}
if (!strlen($name)) {
return $array;
}
if (!$offset) {
// named value
$array[$name] = $value;
} else {
// array
$brackets = substr($key, $offset);
if (!isset($array[$name])) {
$array[$name] = null;
}
$array[$name] = $this->_queryArrayByBrackets(
$brackets, $value, $array[$name]
);
}
return $array;
}
/**
* Parse a key-buffer to place value in array
*
* @param string $buffer to consume all keys from
* @param string $value to be set/add
* @param array $array to traverse and set/add value in
*
* @throws Exception
* @return array
*/
private function _queryArrayByBrackets($buffer, $value, array $array = null)
{
$entry = &$array;
for ($iteration = 0; strlen($buffer); $iteration++) {
$open = $this->_queryKeyBracketOffset($buffer);
if ($open !== 0) {
// Opening bracket [ must exist at offset 0, if not, there is
// no bracket to parse and the value dropped.
// if this happens in the first iteration, this is flawed, see
// as well the second exception below.
if ($iteration) {
break;
}
// @codeCoverageIgnoreStart
throw new Exception(
'Net_URL2 Internal Error: '. __METHOD__ .'(): ' .
'Opening bracket [ must exist at offset 0'
);
// @codeCoverageIgnoreEnd
}
$close = strpos($buffer, ']', 1);
if (!$close) {
// this error condition should never be reached as this is a
// private method and bracket pairs are checked beforehand.
// See as well the first exception for the opening bracket.
// @codeCoverageIgnoreStart
throw new Exception(
'Net_URL2 Internal Error: '. __METHOD__ .'(): ' .
'Closing bracket ] must exist, not found'
);
// @codeCoverageIgnoreEnd
}
$index = substr($buffer, 1, $close - 1);
if (strlen($index)) {
$entry = &$entry[$index];
} else {
if (!is_array($entry)) {
$entry = array();
}
$entry[] = &$new;
$entry = &$new;
unset($new);
}
$buffer = substr($buffer, $close + 1);
}
$entry = $value;
return $array;
}
/**
* Query-key has brackets ("...[]")
*
* @param string $key query-key
*
* @return bool|int offset of opening bracket, false if no brackets
*/
private function _queryKeyBracketOffset($key)
{
if (false !== $open = strpos($key, '[')
and false === strpos($key, ']', $open + 1)
) {
$open = false;
}
return $open;
}
/**
* Sets the query string to the specified variable in the query string.
*
* @param array $array (name => value) array
*
* @return $this
*/
public function setQueryVariables(array $array)
{
if (!$array) {
$this->_query = false;
} else {
$this->_query = $this->buildQuery(
$array,
$this->getOption(self::OPTION_SEPARATOR_OUTPUT)
);
}
return $this;
}
/**
* Sets the specified variable in the query string.
*
* @param string $name variable name
* @param mixed $value variable value
*
* @return $this
*/
public function setQueryVariable($name, $value)
{
$array = $this->getQueryVariables();
$array[$name] = $value;
$this->setQueryVariables($array);
return $this;
}
/**
* Removes the specified variable from the query string.
*
* @param string $name a query string variable, e.g. "foo" in "?foo=1"
*
* @return void
*/
public function unsetQueryVariable($name)
{
$array = $this->getQueryVariables();
unset($array[$name]);
$this->setQueryVariables($array);
}
/**
* Returns a string representation of this URL.
*
* @return string
*/
public function getURL()
{
// See RFC 3986, section 5.3
$url = '';
if ($this->_scheme !== false) {
$url .= $this->_scheme . ':';
}
$authority = $this->getAuthority();
if ($authority === false && strtolower($this->_scheme) === 'file') {
$authority = '';
}
$url .= $this->_buildAuthorityAndPath($authority, $this->_path);
if ($this->_query !== false) {
$url .= '?' . $this->_query;
}
if ($this->_fragment !== false) {
$url .= '#' . $this->_fragment;
}
return $url;
}
/**
* Put authority and path together, wrapping authority
* into proper separators/terminators.
*
* @param string|bool $authority authority
* @param string $path path
*
* @return string
*/
private function _buildAuthorityAndPath($authority, $path)
{
if ($authority === false) {
return $path;
}
$terminator = ($path !== '' && $path[0] !== '/') ? '/' : '';
return '//' . $authority . $terminator . $path;
}
/**
* Returns a string representation of this URL.
*
* @return string
* @link https://php.net/language.oop5.magic#object.tostring
*/
public function __toString()
{
return $this->getURL();
}
/**
* Returns a normalized string representation of this URL. This is useful
* for comparison of URLs.
*
* @return string
*/
public function getNormalizedURL()
{
$url = clone $this;
$url->normalize();
return $url->getUrl();
}
/**
* Normalizes the URL
*
* See RFC 3986, Section 6. Normalization and Comparison
*
* @link https://tools.ietf.org/html/rfc3986#section-6
*
* @return void
*/
public function normalize()
{
// See RFC 3986, section 6
// Scheme is case-insensitive
if ($this->_scheme) {
$this->_scheme = strtolower($this->_scheme);
}
// Hostname is case-insensitive
if ($this->_host) {
$this->_host = strtolower($this->_host);
}
// Remove default port number for known schemes (RFC 3986, section 6.2.3)
if ('' === $this->_port
|| $this->_port
&& $this->_scheme
&& $this->_port == getservbyname($this->_scheme, 'tcp')
) {
$this->_port = false;
}
// Normalize case of %XX percentage-encodings (RFC 3986, section 6.2.2.1)
// Normalize percentage-encoded unreserved characters (section 6.2.2.2)
list($this->_userinfo, $this->_host, $this->_path)
= preg_replace_callback(
'((?:%[0-9a-fA-Z]{2})+)', array($this, '_normalizeCallback'),
array($this->_userinfo, $this->_host, $this->_path)
);
// Path segment normalization (RFC 3986, section 6.2.2.3)
$this->_path = self::removeDotSegments($this->_path);
// Scheme based normalization (RFC 3986, section 6.2.3)
if (false !== $this->_host && '' === $this->_path) {
$this->_path = '/';
}
// path should start with '/' if there is authority (section 3.3.)
if (strlen($this->getAuthority())
&& strlen($this->_path)
&& $this->_path[0] !== '/'
) {
$this->_path = '/' . $this->_path;
}
}
/**
* callback for normalize() of %XX percentage-encodings
*
* @param array $matches as by preg_replace_callback
*
* @return string
* @see normalize
* @SuppressWarnings(PHPMD.UnusedPrivateMethod)
*/
private function _normalizeCallback($matches)
{
return self::urlencode(urldecode($matches[0]));
}
/**
* Returns whether this instance represents an absolute URL.
*
* @return bool
*/
public function isAbsolute()
{
return (bool) $this->_scheme;
}
/**
* Returns an Net_URL2 instance representing an absolute URL relative to
* this URL.
*
* @param Net_URL2|string $reference relative URL
*
* @throws Exception
* @return $this
*/
public function resolve($reference)
{
if (!$reference instanceof Net_URL2) {
$reference = new self($reference);
}
if (!$reference->_isFragmentOnly() && !$this->isAbsolute()) {
throw new Exception(
'Base-URL must be absolute if reference is not fragment-only'
);
}
// A non-strict parser may ignore a scheme in the reference if it is
// identical to the base URI's scheme.
if (!$this->getOption(self::OPTION_STRICT)
&& $reference->_scheme == $this->_scheme
) {
$reference->_scheme = false;
}
$target = new self('');
if ($reference->_scheme !== false) {
$target->_scheme = $reference->_scheme;
$target->setAuthority($reference->getAuthority());
$target->_path = self::removeDotSegments($reference->_path);
$target->_query = $reference->_query;
} else {
$authority = $reference->getAuthority();
if ($authority !== false) {
$target->setAuthority($authority);
$target->_path = self::removeDotSegments($reference->_path);
$target->_query = $reference->_query;
} else {
if ($reference->_path == '') {
$target->_path = $this->_path;
if ($reference->_query !== false) {
$target->_query = $reference->_query;
} else {
$target->_query = $this->_query;
}
} else {
if (substr($reference->_path, 0, 1) == '/') {
$target->_path = self::removeDotSegments($reference->_path);
} else {
// Merge paths (RFC 3986, section 5.2.3)
if ($this->_host !== false && $this->_path == '') {
$target->_path = '/' . $reference->_path;
} else {
$i = strrpos($this->_path, '/');
if ($i !== false) {
$target->_path = substr($this->_path, 0, $i + 1);
}
$target->_path .= $reference->_path;
}
$target->_path = self::removeDotSegments($target->_path);
}
$target->_query = $reference->_query;
}
$target->setAuthority($this->getAuthority());
}
$target->_scheme = $this->_scheme;
}
$target->_fragment = $reference->_fragment;
return $target;
}
/**
* URL is fragment-only
*
* @SuppressWarnings(PHPMD.UnusedPrivateMethod)
* @return bool
*/
private function _isFragmentOnly()
{
return (
$this->_fragment !== false
&& $this->_query === false
&& $this->_path === ''
&& $this->_port === false
&& $this->_host === false
&& $this->_userinfo === false
&& $this->_scheme === false
);
}
/**
* Removes dots as described in RFC 3986, section 5.2.4, e.g.
* "/foo/../bar/baz" => "/bar/baz"
*
* @param string $path a path
*
* @return string a path
*/
public static function removeDotSegments($path)
{
$path = (string) $path;
$output = '';
// Make sure not to be trapped in an infinite loop due to a bug in this
// method
$loopLimit = 256;
$j = 0;
while ('' !== $path && $j++ < $loopLimit) {
if (substr($path, 0, 2) === './') {
// Step 2.A
$path = substr($path, 2);
} elseif (substr($path, 0, 3) === '../') {
// Step 2.A
$path = substr($path, 3);
} elseif (substr($path, 0, 3) === '/./' || $path === '/.') {
// Step 2.B
$path = '/' . substr($path, 3);
} elseif (substr($path, 0, 4) === '/../' || $path === '/..') {
// Step 2.C
$path = '/' . substr($path, 4);
$i = strrpos($output, '/');
$output = $i === false ? '' : substr($output, 0, $i);
} elseif ($path === '.' || $path === '..') {
// Step 2.D
$path = '';
} else {
// Step 2.E
$i = strpos($path, '/', $path[0] === '/');
if ($i === false) {
$output .= $path;
$path = '';
break;
}
$output .= substr($path, 0, $i);
$path = substr($path, $i);
}
}
if ($path !== '') {
$message = sprintf(
'Unable to remove dot segments; hit loop limit %d (left: %s)',
$j, var_export($path, true)
);
trigger_error($message, E_USER_WARNING);
}
return $output;
}
/**
* Percent-encodes all non-alphanumeric characters except these: _ . - ~
* Similar to PHP's rawurlencode(), except that it also encodes ~ in PHP
* 5.2.x and earlier.
*
* @param string $string string to encode
*
* @return string
*/
public static function urlencode($string)
{
$encoded = rawurlencode($string);
// This is only necessary in PHP < 5.3.
$encoded = str_replace('%7E', '~', $encoded);
return $encoded;
}
/**
* Returns a Net_URL2 instance representing the canonical URL of the
* currently executing PHP script.
*
* @throws Exception
* @return string
*/
public static function getCanonical()
{
if (!isset($_SERVER['REQUEST_METHOD'])) {
// ALERT - no current URL
throw new Exception('Script was not called through a webserver');
}
// Begin with a relative URL
$url = new self($_SERVER['PHP_SELF']);
$url->_scheme = isset($_SERVER['HTTPS']) ? 'https' : 'http';
$url->_host = $_SERVER['SERVER_NAME'];
$port = $_SERVER['SERVER_PORT'];
if ($url->_scheme == 'http' && $port != 80
|| $url->_scheme == 'https' && $port != 443
) {
$url->_port = $port;
}
return $url;
}
/**
* Returns the URL used to retrieve the current request.
*
* @return string
*/
public static function getRequestedURL()
{
return self::getRequested()->getUrl();
}
/**
* Returns a Net_URL2 instance representing the URL used to retrieve the
* current request.
*
* @throws Exception
* @return $this
*/
public static function getRequested()
{
if (!isset($_SERVER['REQUEST_METHOD'])) {
// ALERT - no current URL
throw new Exception('Script was not called through a webserver');
}
// Begin with a relative URL
$url = new self($_SERVER['REQUEST_URI']);
$url->_scheme = isset($_SERVER['HTTPS']) ? 'https' : 'http';
// Set host and possibly port
$url->setAuthority($_SERVER['HTTP_HOST']);
return $url;
}
/**
* Returns the value of the specified option.
*
* @param string $optionName The name of the option to retrieve
*
* @return mixed
*/
public function getOption($optionName)
{
return isset($this->_options[$optionName])
? $this->_options[$optionName] : false;
}
/**
* A simple version of http_build_query in userland. The encoded string is
* percentage encoded according to RFC 3986.
*
* @param array $data An array, which has to be converted into
* QUERY_STRING. Anything is possible.
* @param string $separator Separator {@link self::OPTION_SEPARATOR_OUTPUT}
* @param string $key For stacked values (arrays in an array).
*
* @return string
*/
protected function buildQuery(array $data, $separator, $key = null)
{
$query = array();
foreach ($data as $name => $value) {
if ($this->getOption(self::OPTION_ENCODE_KEYS) === true) {
$name = rawurlencode($name);
}
if ($key !== null) {
if ($this->getOption(self::OPTION_USE_BRACKETS) === true) {
$name = $key . '[' . $name . ']';
} else {
$name = $key;
}
}
if (is_array($value)) {
$query[] = $this->buildQuery($value, $separator, $name);
} else {
$query[] = $name . '=' . rawurlencode($value);
}
}
return implode($separator, $query);
}
/**
* This method uses a regex to parse the url into the designated parts.
*
* @param string $url URL
*
* @return void
* @uses self::$_scheme, self::setAuthority(), self::$_path, self::$_query,
* self::$_fragment
* @see __construct
*/
protected function parseUrl($url)
{
// The regular expression is copied verbatim from RFC 3986, appendix B.
// The expression does not validate the URL but matches any string.
preg_match(
'(^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?)',
$url, $matches
);
// "path" is always present (possibly as an empty string); the rest
// are optional.
$this->_scheme = !empty($matches[1]) ? $matches[2] : false;
$this->setAuthority(!empty($matches[3]) ? $matches[4] : false);
$this->_path = $this->_encodeData($matches[5]);
$this->_query = !empty($matches[6])
? $this->_encodeData($matches[7])
: false
;
$this->_fragment = !empty($matches[8]) ? $matches[9] : false;
}
/**
* Encode characters that might have been forgotten to encode when passing
* in an URL. Applied onto Path and Query.
*
* @param string $url URL
*
* @return string
* @see parseUrl
*/
private function _encodeData($url)
{
return preg_replace_callback(
'([\x-\x20\x22\x3C\x3E\x7F-\xFF]+)',
array($this, '_encodeCallback'), $url
);
}
/**
* callback for encoding character data
*
* @param array $matches Matches
*
* @return string
* @see _encodeData
* @SuppressWarnings(PHPMD.UnusedPrivateMethod)
*/
private function _encodeCallback(array $matches)
{
return rawurlencode($matches[0]);
}
}