david
28b02db2ea
git-svn-id: https://192.168.0.254/svn/Proyectos.Incam_SGD/tags/3.7.0.2_original@1 eb19766c-00d9-a042-a3a0-45cb8ec72764
623 lines
18 KiB
PHP
623 lines
18 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Uri
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* @copyright Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/**
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* Zend_Uri base class
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*/
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require_once 'Zend/Uri.php';
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/**
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* Zend_Filter
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*/
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require_once 'Zend/Validate/Hostname.php';
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/**
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* @category Zend
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* @package Zend_Uri
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* @copyright Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Uri_Http extends Zend_Uri
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{
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/**
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* URI parts are divided among these instance variables
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*/
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protected $_username = '';
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protected $_password = '';
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protected $_host = '';
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protected $_port = '';
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protected $_path = '';
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protected $_query = '';
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protected $_fragment = '';
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/**
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* Regular expression grammar rules for validation; values added by constructor
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*/
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protected $_regex = array();
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/**
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* Constructor accepts a string $scheme (e.g., http, https) and a scheme-specific part of the URI
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* (e.g., example.com/path/to/resource?query=param#fragment)
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*
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* @param string $scheme
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* @param string $schemeSpecific
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* @throws Zend_Uri_Exception
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* @return void
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*/
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protected function __construct($scheme, $schemeSpecific = '')
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{
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// Set the scheme
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$this->_scheme = $scheme;
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// Set up grammar rules for validation via regular expressions. These
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// are to be used with slash-delimited regular expression strings.
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$this->_regex['alphanum'] = '[^\W_]';
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$this->_regex['escaped'] = '(?:%[\da-fA-F]{2})';
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$this->_regex['mark'] = '[-_.!~*\'()]';
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$this->_regex['reserved'] = '[;\/?:@&=+$,]';
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$this->_regex['unreserved'] = '(?:' . $this->_regex['alphanum'] . '|' . $this->_regex['mark'] . ')';
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$this->_regex['segment'] = '(?:(?:' . $this->_regex['unreserved'] . '|' . $this->_regex['escaped']
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. '|[:@&=+$,;])*)';
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$this->_regex['path'] = '(?:\/' . $this->_regex['segment'] . ')+';
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$this->_regex['uric'] = '(?:' . $this->_regex['reserved'] . '|' . $this->_regex['unreserved'] . '|'
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. $this->_regex['escaped'] . ')';
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// If no scheme-specific part was supplied, the user intends to create
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// a new URI with this object. No further parsing is required.
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if (strlen($schemeSpecific) == 0) {
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return;
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}
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// Parse the scheme-specific URI parts into the instance variables.
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$this->_parseUri($schemeSpecific);
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// Validate the URI
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if (!$this->valid()) {
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throw new Zend_Uri_Exception('Invalid URI supplied');
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}
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}
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/**
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* Parse the scheme-specific portion of the URI and place its parts into instance variables.
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*
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* @param string $schemeSpecific
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* @throws Zend_Uri_Exception
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* @return void
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*/
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protected function _parseUri($schemeSpecific)
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{
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// High-level decomposition parser
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$pattern = '~^((//)([^/?#]*))([^?#]*)(\?([^#]*))?(#(.*))?$~';
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$status = @preg_match($pattern, $schemeSpecific, $matches);
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if ($status === false) {
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throw new Zend_Uri_Exception('Internal error: scheme-specific decomposition failed');
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}
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// Failed decomposition; no further processing needed
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if (!$status) {
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return;
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}
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// Save URI components that need no further decomposition
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$this->_path = isset($matches[4]) ? $matches[4] : '';
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$this->_query = isset($matches[6]) ? $matches[6] : '';
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$this->_fragment = isset($matches[8]) ? $matches[8] : '';
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// Additional decomposition to get username, password, host, and port
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$combo = isset($matches[3]) ? $matches[3] : '';
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$pattern = '~^(([^:@]*)(:([^@]*))?@)?([^:]+)(:(.*))?$~';
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$status = @preg_match($pattern, $combo, $matches);
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if ($status === false) {
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throw new Zend_Uri_Exception('Internal error: authority decomposition failed');
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}
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// Failed decomposition; no further processing needed
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if (!$status) {
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return;
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}
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// Save remaining URI components
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$this->_username = isset($matches[2]) ? $matches[2] : '';
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$this->_password = isset($matches[4]) ? $matches[4] : '';
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$this->_host = isset($matches[5]) ? $matches[5] : '';
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$this->_port = isset($matches[7]) ? $matches[7] : '';
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}
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/**
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* Returns a URI based on current values of the instance variables. If any
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* part of the URI does not pass validation, then an exception is thrown.
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*
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* @throws Zend_Uri_Exception
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* @return string
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*/
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public function getUri()
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{
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if (!$this->valid()) {
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throw new Zend_Uri_Exception('One or more parts of the URI are invalid');
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}
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$password = strlen($this->_password) ? ":$this->_password" : '';
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$auth = strlen($this->_username) ? "$this->_username$password@" : '';
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$port = strlen($this->_port) ? ":$this->_port" : '';
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$query = strlen($this->_query) ? "?$this->_query" : '';
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$fragment = strlen($this->_fragment) ? "#$this->_fragment" : '';
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return "$this->_scheme://$auth$this->_host$port$this->_path$query$fragment";
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}
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/**
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* Validate the current URI from the instance variables. Returns true if and only if all
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* parts pass validation.
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*
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* @return boolean
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*/
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public function valid()
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{
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/**
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* Return true if and only if all parts of the URI have passed validation
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*/
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return $this->validateUsername()
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&& $this->validatePassword()
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&& $this->validateHost()
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&& $this->validatePort()
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&& $this->validatePath()
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&& $this->validateQuery()
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&& $this->validateFragment();
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}
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/**
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* Returns the username portion of the URL, or FALSE if none.
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*
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* @return string
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*/
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public function getUsername()
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{
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return strlen($this->_username) ? $this->_username : false;
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}
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/**
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* Returns true if and only if the username passes validation. If no username is passed,
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* then the username contained in the instance variable is used.
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*
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* @param string $username
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* @throws Zend_Uri_Exception
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* @return boolean
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*/
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public function validateUsername($username = null)
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{
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if ($username === null) {
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$username = $this->_username;
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}
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// If the username is empty, then it is considered valid
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if (strlen($username) == 0) {
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return true;
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}
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/**
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* Check the username against the allowed values
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*
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* @link http://www.faqs.org/rfcs/rfc2396.html
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*/
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$status = @preg_match('/^(' . $this->_regex['alphanum'] . '|' . $this->_regex['mark'] . '|'
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. $this->_regex['escaped'] . '|[;:&=+$,])+$/', $username);
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if ($status === false) {
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throw new Zend_Uri_Exception('Internal error: username validation failed');
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}
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return $status == 1;
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}
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/**
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* Sets the username for the current URI, and returns the old username
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*
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* @param string $username
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* @throws Zend_Uri_Exception
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* @return string
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*/
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public function setUsername($username)
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{
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if (!$this->validateUsername($username)) {
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throw new Zend_Uri_Exception("Username \"$username\" is not a valid HTTP username");
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}
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$oldUsername = $this->_username;
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$this->_username = $username;
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return $oldUsername;
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}
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/**
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* Returns the password portion of the URL, or FALSE if none.
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*
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* @return string
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*/
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public function getPassword()
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{
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return strlen($this->_password) ? $this->_password : false;
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}
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/**
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* Returns true if and only if the password passes validation. If no password is passed,
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* then the password contained in the instance variable is used.
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*
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* @param string $password
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* @throws Zend_Uri_Exception
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* @return boolean
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*/
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public function validatePassword($password = null)
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{
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if ($password === null) {
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$password = $this->_password;
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}
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// If the password is empty, then it is considered valid
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if (strlen($password) == 0) {
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return true;
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}
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// If the password is nonempty, but there is no username, then it is considered invalid
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if (strlen($password) > 0 && strlen($this->_username) == 0) {
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return false;
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}
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/**
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* Check the password against the allowed values
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*
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* @link http://www.faqs.org/rfcs/rfc2396.html
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*/
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$status = @preg_match('/^(' . $this->_regex['alphanum'] . '|' . $this->_regex['mark'] . '|'
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. $this->_regex['escaped'] . '|[;:&=+$,])+$/', $password);
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if ($status === false) {
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throw new Zend_Uri_Exception('Internal error: password validation failed.');
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}
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return $status == 1;
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}
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/**
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* Sets the password for the current URI, and returns the old password
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*
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* @param string $password
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* @throws Zend_Uri_Exception
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* @return string
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*/
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public function setPassword($password)
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{
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if (!$this->validatePassword($password)) {
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throw new Zend_Uri_Exception("Password \"$password\" is not a valid HTTP password.");
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}
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$oldPassword = $this->_password;
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$this->_password = $password;
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return $oldPassword;
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}
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/**
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* Returns the domain or host IP portion of the URL, or FALSE if none.
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*
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* @return string
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*/
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public function getHost()
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{
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return strlen($this->_host) ? $this->_host : false;
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}
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/**
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* Returns true if and only if the host string passes validation. If no host is passed,
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* then the host contained in the instance variable is used.
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*
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* @param string $host
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* @return boolean
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* @uses Zend_Filter
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*/
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public function validateHost($host = null)
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{
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if ($host === null) {
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$host = $this->_host;
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}
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/**
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* If the host is empty, then it is considered invalid
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*/
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if (strlen($host) == 0) {
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return false;
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}
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/**
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* Check the host against the allowed values; delegated to Zend_Filter.
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*/
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$validate = new Zend_Validate_Hostname(Zend_Validate_Hostname::ALLOW_ALL);
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return $validate->isValid($host);
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}
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/**
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* Sets the host for the current URI, and returns the old host
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*
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* @param string $host
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* @throws Zend_Uri_Exception
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* @return string
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*/
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public function setHost($host)
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{
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if (!$this->validateHost($host)) {
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throw new Zend_Uri_Exception("Host \"$host\" is not a valid HTTP host");
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}
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$oldHost = $this->_host;
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$this->_host = $host;
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return $oldHost;
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}
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/**
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* Returns the TCP port, or FALSE if none.
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*
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* @return string
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*/
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public function getPort()
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{
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return strlen($this->_port) ? $this->_port : false;
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}
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/**
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* Returns true if and only if the TCP port string passes validation. If no port is passed,
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* then the port contained in the instance variable is used.
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*
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* @param string $port
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* @return boolean
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*/
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public function validatePort($port = null)
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{
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if ($port === null) {
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$port = $this->_port;
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}
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// If the port is empty, then it is considered valid
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if (!strlen($port)) {
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return true;
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}
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// Check the port against the allowed values
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return ctype_digit((string)$port) && 1 <= $port && $port <= 65535;
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}
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/**
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* Sets the port for the current URI, and returns the old port
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*
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* @param string $port
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* @throws Zend_Uri_Exception
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* @return string
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*/
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public function setPort($port)
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{
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if (!$this->validatePort($port)) {
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throw new Zend_Uri_Exception("Port \"$port\" is not a valid HTTP port.");
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}
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$oldPort = $this->_port;
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$this->_port = $port;
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return $oldPort;
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}
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/**
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* Returns the path and filename portion of the URL, or FALSE if none.
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*
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* @return string
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*/
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public function getPath()
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{
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return strlen($this->_path) ? $this->_path : '/';
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}
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/**
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* Returns true if and only if the path string passes validation. If no path is passed,
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* then the path contained in the instance variable is used.
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*
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* @param string $path
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* @throws Zend_Uri_Exception
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* @return boolean
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*/
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public function validatePath($path = null)
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{
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if ($path === null) {
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$path = $this->_path;
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}
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/**
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* If the path is empty, then it is considered valid
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*/
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if (strlen($path) == 0) {
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return true;
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}
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/**
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* Determine whether the path is well-formed
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*/
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$pattern = '/^' . $this->_regex['path'] . '$/';
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$status = @preg_match($pattern, $path);
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if ($status === false) {
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throw new Zend_Uri_Exception('Internal error: path validation failed');
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}
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return (boolean) $status;
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}
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/**
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* Sets the path for the current URI, and returns the old path
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*
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* @param string $path
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* @throws Zend_Uri_Exception
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* @return string
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*/
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public function setPath($path)
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{
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if (!$this->validatePath($path)) {
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throw new Zend_Uri_Exception("Path \"$path\" is not a valid HTTP path");
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}
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$oldPath = $this->_path;
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$this->_path = $path;
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return $oldPath;
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}
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/**
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* Returns the query portion of the URL (after ?), or FALSE if none.
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*
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* @return string
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*/
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public function getQuery()
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{
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return strlen($this->_query) ? $this->_query : false;
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}
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/**
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* Returns true if and only if the query string passes validation. If no query is passed,
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* then the query string contained in the instance variable is used.
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*
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* @param string $query
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* @throws Zend_Uri_Exception
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* @return boolean
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*/
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public function validateQuery($query = null)
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{
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if ($query === null) {
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$query = $this->_query;
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}
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// If query is empty, it is considered to be valid
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if (strlen($query) == 0) {
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return true;
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}
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/**
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* Determine whether the query is well-formed
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*
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* @link http://www.faqs.org/rfcs/rfc2396.html
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*/
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$pattern = '/^' . $this->_regex['uric'] . '*$/';
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$status = @preg_match($pattern, $query);
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if ($status === false) {
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throw new Zend_Uri_Exception('Internal error: query validation failed');
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}
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return $status == 1;
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}
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/**
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* Set the query string for the current URI, and return the old query
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* string This method accepts both strings and arrays.
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*
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* @param string|array $query The query string or array
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* @return string Old query string
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*/
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public function setQuery($query)
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{
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$oldQuery = $this->_query;
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$this->_query = $this->_parseQuery($query);
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return $oldQuery;
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}
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|
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/**
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* Parse a query string or array, validate it and return it as a query string
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*
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* @param string|array $query
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* @return string
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*/
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protected function _parseQuery($query)
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{
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// If query is empty, return an empty string
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if (empty($query)) {
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return '';
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}
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// If query is an array, make a string out of it
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if (is_array($query)) {
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// fails on PHP < 5.1.2
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$query_str = @http_build_query($query, '', '&');
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// If it failed, try calling with only 2 args
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if (!$query_str) {
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$query_str = http_build_query($query, '');
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}
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// Just in case they use & in their php.ini, replace it with &
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$query_str = str_replace("&", "&", $query_str);
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$query = $query_str;
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} else {
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$query = (string) $query;
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}
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// Make sure the query is valid, and set it
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if ($this->validateQuery($query)) {
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return $query;
|
|
} else {
|
|
throw new Zend_Uri_Exception("'$query' is not a valid query string");
|
|
}
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* Returns the fragment portion of the URL (after #), or FALSE if none.
|
|
*
|
|
* @return string|false
|
|
*/
|
|
public function getFragment()
|
|
{
|
|
return strlen($this->_fragment) ? $this->_fragment : false;
|
|
}
|
|
|
|
/**
|
|
* Returns true if and only if the fragment passes validation. If no fragment is passed,
|
|
* then the fragment contained in the instance variable is used.
|
|
*
|
|
* @param string $fragment
|
|
* @throws Zend_Uri_Exception
|
|
* @return boolean
|
|
*/
|
|
public function validateFragment($fragment = null)
|
|
{
|
|
if ($fragment === null) {
|
|
$fragment = $this->_fragment;
|
|
}
|
|
|
|
// If fragment is empty, it is considered to be valid
|
|
if (strlen($fragment) == 0) {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Determine whether the fragment is well-formed
|
|
*
|
|
* @link http://www.faqs.org/rfcs/rfc2396.html
|
|
*/
|
|
$pattern = '/^' . $this->_regex['uric'] . '*$/';
|
|
$status = @preg_match($pattern, $fragment);
|
|
if ($status === false) {
|
|
throw new Zend_Uri_Exception('Internal error: fragment validation failed');
|
|
}
|
|
|
|
return (boolean) $status;
|
|
}
|
|
|
|
/**
|
|
* Sets the fragment for the current URI, and returns the old fragment
|
|
*
|
|
* @param string $fragment
|
|
* @throws Zend_Uri_Exception
|
|
* @return string
|
|
*/
|
|
public function setFragment($fragment)
|
|
{
|
|
if (!$this->validateFragment($fragment)) {
|
|
throw new Zend_Uri_Exception("Fragment \"$fragment\" is not a valid HTTP fragment");
|
|
}
|
|
$oldFragment = $this->_fragment;
|
|
$this->_fragment = $fragment;
|
|
return $oldFragment;
|
|
}
|
|
}
|
|
|