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<?php |
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/** |
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* Part of the Joomla Framework Uri Package |
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* |
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters. All rights reserved. |
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* @license GNU General Public License version 2 or later; see LICENSE |
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*/ |
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namespace Joomla\Uri; |
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/** |
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* Uri Class |
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* |
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* Abstract base for out uri classes. |
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* |
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* This class should be considered an implementation detail. Typehint against UriInterface. |
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* |
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* @since 1.0 |
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*/ |
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abstract class AbstractUri implements UriInterface |
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{ |
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/** |
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* @var string Original URI |
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* @since 1.0 |
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*/ |
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protected $uri = null; |
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/** |
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* @var string Protocol |
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* @since 1.0 |
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*/ |
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protected $scheme = null; |
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/** |
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* @var string Host |
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* @since 1.0 |
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*/ |
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protected $host = null; |
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/** |
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* @var integer Port |
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* @since 1.0 |
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*/ |
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protected $port = null; |
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/** |
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* @var string Username |
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* @since 1.0 |
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*/ |
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protected $user = null; |
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/** |
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* @var string Password |
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* @since 1.0 |
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*/ |
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protected $pass = null; |
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/** |
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* @var string Path |
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* @since 1.0 |
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*/ |
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protected $path = null; |
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/** |
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* @var string Query |
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* @since 1.0 |
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*/ |
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protected $query = null; |
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/** |
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* @var string Anchor |
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* @since 1.0 |
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*/ |
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protected $fragment = null; |
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/** |
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* @var array Query variable hash |
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* @since 1.0 |
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*/ |
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protected $vars = array(); |
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/** |
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* Constructor. |
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* You can pass a URI string to the constructor to initialise a specific URI. |
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* |
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* @param string $uri The optional URI string |
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* |
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* @since 1.0 |
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*/ |
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public function __construct($uri = null) |
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{ |
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if (!is_null($uri)) |
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{ |
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$this->parse($uri); |
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} |
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} |
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/** |
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* Magic method to get the string representation of the URI object. |
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* |
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* @return string |
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* |
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* @since 1.0 |
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*/ |
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public function __toString() |
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{ |
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return $this->toString(); |
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} |
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/** |
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* Returns full uri string. |
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* |
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* @param array $parts An array specifying the parts to render. |
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* |
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* @return string The rendered URI string. |
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* |
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* @since 1.0 |
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*/ |
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public function toString(array $parts = array('scheme', 'user', 'pass', 'host', 'port', 'path', 'query', 'fragment')) |
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{ |
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// Make sure the query is created |
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$query = $this->getQuery(); |
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$uri = ''; |
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$uri .= in_array('scheme', $parts) ? (!empty($this->scheme) ? $this->scheme . '://' : '') : ''; |
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$uri .= in_array('user', $parts) ? $this->user : ''; |
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$uri .= in_array('pass', $parts) ? (!empty($this->pass) ? ':' : '') . $this->pass . (!empty($this->user) ? '@' : '') : ''; |
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$uri .= in_array('host', $parts) ? $this->host : ''; |
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$uri .= in_array('port', $parts) ? (!empty($this->port) ? ':' : '') . $this->port : ''; |
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$uri .= in_array('path', $parts) ? $this->path : ''; |
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$uri .= in_array('query', $parts) ? (!empty($query) ? '?' . $query : '') : ''; |
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$uri .= in_array('fragment', $parts) ? (!empty($this->fragment) ? '#' . $this->fragment : '') : ''; |
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return $uri; |
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} |
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/** |
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* Checks if variable exists. |
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* |
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* @param string $name Name of the query variable to check. |
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* |
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* @return boolean True if the variable exists. |
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* |
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* @since 1.0 |
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*/ |
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public function hasVar($name) |
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{ |
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return array_key_exists($name, $this->vars); |
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} |
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/** |
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* Returns a query variable by name. |
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* |
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* @param string $name Name of the query variable to get. |
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* @param string $default Default value to return if the variable is not set. |
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* |
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* @return array Query variables. |
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* |
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* @since 1.0 |
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*/ |
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public function getVar($name, $default = null) |
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{ |
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if (array_key_exists($name, $this->vars)) |
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{ |
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return $this->vars[$name]; |
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} |
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return $default; |
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} |
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/** |
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* Returns flat query string. |
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* |
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* @param boolean $toArray True to return the query as a key => value pair array. |
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* |
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* @return string Query string. |
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* |
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* @since 1.0 |
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*/ |
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public function getQuery($toArray = false) |
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{ |
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if ($toArray) |
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{ |
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return $this->vars; |
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} |
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// If the query is empty build it first |
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if (is_null($this->query)) |
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{ |
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$this->query = self::buildQuery($this->vars); |
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} |
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return $this->query; |
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} |
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/** |
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* Get URI scheme (protocol) |
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* ie. http, https, ftp, etc... |
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* |
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* @return string The URI scheme. |
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* |
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* @since 1.0 |
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*/ |
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public function getScheme() |
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{ |
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return $this->scheme; |
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} |
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/** |
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* Get URI username |
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* Returns the username, or null if no username was specified. |
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* |
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* @return string The URI username. |
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* |
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* @since 1.0 |
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*/ |
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public function getUser() |
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{ |
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return $this->user; |
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} |
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/** |
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* Get URI password |
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* Returns the password, or null if no password was specified. |
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* |
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* @return string The URI password. |
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* |
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* @since 1.0 |
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*/ |
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public function getPass() |
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{ |
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return $this->pass; |
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} |
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/** |
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* Get URI host |
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* Returns the hostname/ip or null if no hostname/ip was specified. |
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* |
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* @return string The URI host. |
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* |
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* @since 1.0 |
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*/ |
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public function getHost() |
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{ |
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return $this->host; |
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} |
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/** |
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* Get URI port |
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* Returns the port number, or null if no port was specified. |
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* |
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* @return integer The URI port number. |
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* |
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* @since 1.0 |
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*/ |
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public function getPort() |
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{ |
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return (isset($this->port)) ? $this->port : null; |
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} |
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/** |
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* Gets the URI path string. |
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* |
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* @return string The URI path string. |
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* |
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* @since 1.0 |
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*/ |
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public function getPath() |
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{ |
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return $this->path; |
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} |
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/** |
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* Get the URI archor string |
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* Everything after the "#". |
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* |
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* @return string The URI anchor string. |
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* |
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* @since 1.0 |
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*/ |
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public function getFragment() |
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{ |
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return $this->fragment; |
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} |
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/** |
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* Checks whether the current URI is using HTTPS. |
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* |
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* @return boolean True if using SSL via HTTPS. |
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* |
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* @since 1.0 |
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*/ |
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public function isSSL() |
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{ |
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return $this->getScheme() == 'https' ? true : false; |
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} |
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/** |
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* Build a query from a array (reverse of the PHP parse_str()). |
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* |
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* @param array $params The array of key => value pairs to return as a query string. |
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* |
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* @return string The resulting query string. |
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* |
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* @see parse_str() |
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* @since 1.0 |
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*/ |
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protected static function buildQuery(array $params) |
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{ |
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return urldecode(http_build_query($params, '', '&')); |
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} |
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/** |
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* Parse a given URI and populate the class fields. |
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* |
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* @param string $uri The URI string to parse. |
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* |
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* @return boolean True on success. |
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* |
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* @since 1.0 |
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*/ |
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protected function parse($uri) |
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323
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{ |
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// Set the original URI to fall back on |
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$this->uri = $uri; |
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327
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/* |
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* Parse the URI and populate the object fields. If URI is parsed properly, |
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* set method return value to true. |
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*/ |
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$parts = UriHelper::parse_url($uri); |
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$retval = ($parts) ? true : false; |
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// We need to replace & with & for parse_str to work right... |
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if (isset($parts['query']) && strpos($parts['query'], '&')) |
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{ |
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$parts['query'] = str_replace('&', '&', $parts['query']); |
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} |
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$this->scheme = isset($parts['scheme']) ? $parts['scheme'] : null; |
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$this->user = isset($parts['user']) ? $parts['user'] : null; |
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$this->pass = isset($parts['pass']) ? $parts['pass'] : null; |
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$this->host = isset($parts['host']) ? $parts['host'] : null; |
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$this->port = isset($parts['port']) ? $parts['port'] : null; |
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347
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$this->path = isset($parts['path']) ? $parts['path'] : null; |
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348
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$this->query = isset($parts['query']) ? $parts['query'] : null; |
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349
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$this->fragment = isset($parts['fragment']) ? $parts['fragment'] : null; |
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|
|
// Parse the query |
|
352
|
|
|
if (isset($parts['query'])) |
|
353
|
|
|
{ |
|
354
|
|
|
parse_str($parts['query'], $this->vars); |
|
355
|
|
|
} |
|
356
|
|
|
|
|
357
|
|
|
return $retval; |
|
358
|
|
|
} |
|
359
|
|
|
|
|
360
|
|
|
/** |
|
361
|
|
|
* Resolves //, ../ and ./ from a path and returns |
|
362
|
|
|
* the result. Eg: |
|
363
|
|
|
* |
|
364
|
|
|
* /foo/bar/../boo.php => /foo/boo.php |
|
365
|
|
|
* /foo/bar/../../boo.php => /boo.php |
|
366
|
|
|
* /foo/bar/.././/boo.php => /foo/boo.php |
|
367
|
|
|
* |
|
368
|
|
|
* @param string $path The URI path to clean. |
|
369
|
|
|
* |
|
370
|
|
|
* @return string Cleaned and resolved URI path. |
|
371
|
|
|
* |
|
372
|
|
|
* @since 1.0 |
|
373
|
|
|
*/ |
|
374
|
|
|
protected function cleanPath($path) |
|
375
|
|
|
{ |
|
376
|
|
|
$path = explode('/', preg_replace('#(/+)#', '/', $path)); |
|
377
|
|
|
|
|
378
|
|
|
for ($i = 0, $n = count($path); $i < $n; $i++) |
|
379
|
|
|
{ |
|
380
|
|
|
if ($path[$i] == '.' || $path[$i] == '..') |
|
381
|
|
|
{ |
|
382
|
|
|
if (($path[$i] == '.') || ($path[$i] == '..' && $i == 1 && $path[0] == '')) |
|
383
|
|
|
{ |
|
384
|
|
|
unset($path[$i]); |
|
385
|
|
|
$path = array_values($path); |
|
386
|
|
|
$i--; |
|
387
|
|
|
$n--; |
|
388
|
|
|
} |
|
389
|
|
|
elseif ($path[$i] == '..' && ($i > 1 || ($i == 1 && $path[0] != ''))) |
|
390
|
|
|
{ |
|
391
|
|
|
unset($path[$i]); |
|
392
|
|
|
unset($path[$i - 1]); |
|
393
|
|
|
$path = array_values($path); |
|
394
|
|
|
$i -= 2; |
|
395
|
|
|
$n -= 2; |
|
396
|
|
|
} |
|
397
|
|
|
} |
|
398
|
|
|
} |
|
399
|
|
|
|
|
400
|
|
|
return implode('/', $path); |
|
401
|
|
|
} |
|
402
|
|
|
} |
|
403
|
|
|
|