756 lines
19 KiB
PHP
756 lines
19 KiB
PHP
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<?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_Controller
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* @copyright Copyright (c) 2005-2009 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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* @version $Id: Abstract.php 17708 2009-08-21 13:43:39Z matthew $
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*/
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/**
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* Zend_Controller_Response_Abstract
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*
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* Base class for Zend_Controller responses
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*
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* @package Zend_Controller
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* @subpackage Response
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* @copyright Copyright (c) 2005-2009 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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abstract class Zend_Controller_Response_Abstract
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{
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/**
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* Body content
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* @var array
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*/
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protected $_body = array();
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/**
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* Exception stack
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* @var Exception
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*/
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protected $_exceptions = array();
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/**
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* Array of headers. Each header is an array with keys 'name' and 'value'
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* @var array
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*/
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protected $_headers = array();
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/**
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* Array of raw headers. Each header is a single string, the entire header to emit
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* @var array
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*/
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protected $_headersRaw = array();
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/**
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* HTTP response code to use in headers
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* @var int
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*/
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protected $_httpResponseCode = 200;
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/**
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* Flag; is this response a redirect?
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* @var boolean
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*/
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protected $_isRedirect = false;
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/**
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* Whether or not to render exceptions; off by default
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* @var boolean
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*/
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protected $_renderExceptions = false;
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/**
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* Flag; if true, when header operations are called after headers have been
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* sent, an exception will be raised; otherwise, processing will continue
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* as normal. Defaults to true.
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*
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* @see canSendHeaders()
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* @var boolean
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*/
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public $headersSentThrowsException = true;
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/**
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* Normalize a header name
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*
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* Normalizes a header name to X-Capitalized-Names
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*
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* @param string $name
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* @return string
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*/
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protected function _normalizeHeader($name)
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{
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$filtered = str_replace(array('-', '_'), ' ', (string) $name);
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$filtered = ucwords(strtolower($filtered));
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$filtered = str_replace(' ', '-', $filtered);
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return $filtered;
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}
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/**
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* Set a header
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*
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* If $replace is true, replaces any headers already defined with that
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* $name.
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*
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* @param string $name
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* @param string $value
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* @param boolean $replace
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* @return Zend_Controller_Response_Abstract
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*/
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public function setHeader($name, $value, $replace = false)
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{
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$this->canSendHeaders(true);
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$name = $this->_normalizeHeader($name);
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$value = (string) $value;
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if ($replace) {
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foreach ($this->_headers as $key => $header) {
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if ($name == $header['name']) {
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unset($this->_headers[$key]);
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}
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}
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}
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$this->_headers[] = array(
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'name' => $name,
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'value' => $value,
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'replace' => $replace
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);
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return $this;
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}
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/**
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* Set redirect URL
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*
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* Sets Location header and response code. Forces replacement of any prior
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* redirects.
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*
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* @param string $url
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* @param int $code
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* @return Zend_Controller_Response_Abstract
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*/
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public function setRedirect($url, $code = 302)
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{
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$this->canSendHeaders(true);
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$this->setHeader('Location', $url, true)
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->setHttpResponseCode($code);
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return $this;
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}
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/**
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* Is this a redirect?
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*
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* @return boolean
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*/
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public function isRedirect()
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{
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return $this->_isRedirect;
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}
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/**
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* Return array of headers; see {@link $_headers} for format
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*
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* @return array
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*/
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public function getHeaders()
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{
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return $this->_headers;
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}
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/**
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* Clear headers
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*
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* @return Zend_Controller_Response_Abstract
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*/
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public function clearHeaders()
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{
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$this->_headers = array();
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return $this;
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}
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/**
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* Set raw HTTP header
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*
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* Allows setting non key => value headers, such as status codes
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*
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* @param string $value
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* @return Zend_Controller_Response_Abstract
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*/
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public function setRawHeader($value)
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{
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$this->canSendHeaders(true);
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if ('Location' == substr($value, 0, 8)) {
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$this->_isRedirect = true;
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}
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$this->_headersRaw[] = (string) $value;
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return $this;
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}
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/**
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* Retrieve all {@link setRawHeader() raw HTTP headers}
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*
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* @return array
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*/
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public function getRawHeaders()
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{
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return $this->_headersRaw;
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}
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/**
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* Clear all {@link setRawHeader() raw HTTP headers}
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*
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* @return Zend_Controller_Response_Abstract
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*/
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public function clearRawHeaders()
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{
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$this->_headersRaw = array();
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return $this;
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}
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/**
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* Clear all headers, normal and raw
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*
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* @return Zend_Controller_Response_Abstract
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*/
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public function clearAllHeaders()
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{
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return $this->clearHeaders()
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->clearRawHeaders();
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}
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/**
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* Set HTTP response code to use with headers
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*
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* @param int $code
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* @return Zend_Controller_Response_Abstract
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*/
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public function setHttpResponseCode($code)
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{
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if (!is_int($code) || (100 > $code) || (599 < $code)) {
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require_once 'Zend/Controller/Response/Exception.php';
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throw new Zend_Controller_Response_Exception('Invalid HTTP response code');
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}
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if ((300 <= $code) && (307 >= $code)) {
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$this->_isRedirect = true;
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} else {
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$this->_isRedirect = false;
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}
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$this->_httpResponseCode = $code;
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return $this;
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}
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/**
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* Retrieve HTTP response code
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*
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* @return int
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*/
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public function getHttpResponseCode()
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{
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return $this->_httpResponseCode;
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}
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/**
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* Can we send headers?
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*
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* @param boolean $throw Whether or not to throw an exception if headers have been sent; defaults to false
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* @return boolean
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* @throws Zend_Controller_Response_Exception
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*/
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public function canSendHeaders($throw = false)
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{
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$ok = headers_sent($file, $line);
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if ($ok && $throw && $this->headersSentThrowsException) {
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require_once 'Zend/Controller/Response/Exception.php';
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throw new Zend_Controller_Response_Exception('Cannot send headers; headers already sent in ' . $file . ', line ' . $line);
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}
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return !$ok;
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}
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/**
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* Send all headers
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*
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* Sends any headers specified. If an {@link setHttpResponseCode() HTTP response code}
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* has been specified, it is sent with the first header.
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*
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* @return Zend_Controller_Response_Abstract
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*/
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public function sendHeaders()
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{
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// Only check if we can send headers if we have headers to send
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if (count($this->_headersRaw) || count($this->_headers) || (200 != $this->_httpResponseCode)) {
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$this->canSendHeaders(true);
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} elseif (200 == $this->_httpResponseCode) {
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// Haven't changed the response code, and we have no headers
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return $this;
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}
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$httpCodeSent = false;
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foreach ($this->_headersRaw as $header) {
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if (!$httpCodeSent && $this->_httpResponseCode) {
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header($header, true, $this->_httpResponseCode);
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$httpCodeSent = true;
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} else {
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header($header);
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}
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}
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foreach ($this->_headers as $header) {
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if (!$httpCodeSent && $this->_httpResponseCode) {
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header($header['name'] . ': ' . $header['value'], $header['replace'], $this->_httpResponseCode);
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$httpCodeSent = true;
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} else {
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header($header['name'] . ': ' . $header['value'], $header['replace']);
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}
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}
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if (!$httpCodeSent) {
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header('HTTP/1.1 ' . $this->_httpResponseCode);
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$httpCodeSent = true;
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}
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return $this;
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}
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/**
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* Set body content
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*
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* If $name is not passed, or is not a string, resets the entire body and
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* sets the 'default' key to $content.
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*
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* If $name is a string, sets the named segment in the body array to
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* $content.
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*
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* @param string $content
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* @param null|string $name
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* @return Zend_Controller_Response_Abstract
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*/
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public function setBody($content, $name = null)
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{
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if ((null === $name) || !is_string($name)) {
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$this->_body = array('default' => (string) $content);
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} else {
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$this->_body[$name] = (string) $content;
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}
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return $this;
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}
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/**
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* Append content to the body content
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*
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* @param string $content
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* @param null|string $name
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* @return Zend_Controller_Response_Abstract
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*/
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public function appendBody($content, $name = null)
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{
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if ((null === $name) || !is_string($name)) {
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if (isset($this->_body['default'])) {
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$this->_body['default'] .= (string) $content;
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} else {
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return $this->append('default', $content);
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}
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} elseif (isset($this->_body[$name])) {
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$this->_body[$name] .= (string) $content;
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} else {
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return $this->append($name, $content);
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}
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return $this;
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}
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|
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/**
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* Clear body array
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*
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* With no arguments, clears the entire body array. Given a $name, clears
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* just that named segment; if no segment matching $name exists, returns
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* false to indicate an error.
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*
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* @param string $name Named segment to clear
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* @return boolean
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*/
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public function clearBody($name = null)
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{
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if (null !== $name) {
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$name = (string) $name;
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if (isset($this->_body[$name])) {
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unset($this->_body[$name]);
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return true;
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}
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return false;
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}
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$this->_body = array();
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return true;
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}
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|
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|
||
|
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/**
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||
|
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* Return the body content
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||
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|
*
|
||
|
|
* If $spec is false, returns the concatenated values of the body content
|
||
|
|
* array. If $spec is boolean true, returns the body content array. If
|
||
|
|
* $spec is a string and matches a named segment, returns the contents of
|
||
|
|
* that segment; otherwise, returns null.
|
||
|
|
*
|
||
|
|
* @param boolean $spec
|
||
|
|
* @return string|array|null
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||
|
|
*/
|
||
|
|
public function getBody($spec = false)
|
||
|
|
{
|
||
|
|
if (false === $spec) {
|
||
|
|
ob_start();
|
||
|
|
$this->outputBody();
|
||
|
|
return ob_get_clean();
|
||
|
|
} elseif (true === $spec) {
|
||
|
|
return $this->_body;
|
||
|
|
} elseif (is_string($spec) && isset($this->_body[$spec])) {
|
||
|
|
return $this->_body[$spec];
|
||
|
|
}
|
||
|
|
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Append a named body segment to the body content array
|
||
|
|
*
|
||
|
|
* If segment already exists, replaces with $content and places at end of
|
||
|
|
* array.
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $content
|
||
|
|
* @return Zend_Controller_Response_Abstract
|
||
|
|
*/
|
||
|
|
public function append($name, $content)
|
||
|
|
{
|
||
|
|
if (!is_string($name)) {
|
||
|
|
require_once 'Zend/Controller/Response/Exception.php';
|
||
|
|
throw new Zend_Controller_Response_Exception('Invalid body segment key ("' . gettype($name) . '")');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($this->_body[$name])) {
|
||
|
|
unset($this->_body[$name]);
|
||
|
|
}
|
||
|
|
$this->_body[$name] = (string) $content;
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepend a named body segment to the body content array
|
||
|
|
*
|
||
|
|
* If segment already exists, replaces with $content and places at top of
|
||
|
|
* array.
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $content
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function prepend($name, $content)
|
||
|
|
{
|
||
|
|
if (!is_string($name)) {
|
||
|
|
require_once 'Zend/Controller/Response/Exception.php';
|
||
|
|
throw new Zend_Controller_Response_Exception('Invalid body segment key ("' . gettype($name) . '")');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($this->_body[$name])) {
|
||
|
|
unset($this->_body[$name]);
|
||
|
|
}
|
||
|
|
|
||
|
|
$new = array($name => (string) $content);
|
||
|
|
$this->_body = $new + $this->_body;
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Insert a named segment into the body content array
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $content
|
||
|
|
* @param string $parent
|
||
|
|
* @param boolean $before Whether to insert the new segment before or
|
||
|
|
* after the parent. Defaults to false (after)
|
||
|
|
* @return Zend_Controller_Response_Abstract
|
||
|
|
*/
|
||
|
|
public function insert($name, $content, $parent = null, $before = false)
|
||
|
|
{
|
||
|
|
if (!is_string($name)) {
|
||
|
|
require_once 'Zend/Controller/Response/Exception.php';
|
||
|
|
throw new Zend_Controller_Response_Exception('Invalid body segment key ("' . gettype($name) . '")');
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((null !== $parent) && !is_string($parent)) {
|
||
|
|
require_once 'Zend/Controller/Response/Exception.php';
|
||
|
|
throw new Zend_Controller_Response_Exception('Invalid body segment parent key ("' . gettype($parent) . '")');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($this->_body[$name])) {
|
||
|
|
unset($this->_body[$name]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((null === $parent) || !isset($this->_body[$parent])) {
|
||
|
|
return $this->append($name, $content);
|
||
|
|
}
|
||
|
|
|
||
|
|
$ins = array($name => (string) $content);
|
||
|
|
$keys = array_keys($this->_body);
|
||
|
|
$loc = array_search($parent, $keys);
|
||
|
|
if (!$before) {
|
||
|
|
// Increment location if not inserting before
|
||
|
|
++$loc;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (0 === $loc) {
|
||
|
|
// If location of key is 0, we're prepending
|
||
|
|
$this->_body = $ins + $this->_body;
|
||
|
|
} elseif ($loc >= (count($this->_body))) {
|
||
|
|
// If location of key is maximal, we're appending
|
||
|
|
$this->_body = $this->_body + $ins;
|
||
|
|
} else {
|
||
|
|
// Otherwise, insert at location specified
|
||
|
|
$pre = array_slice($this->_body, 0, $loc);
|
||
|
|
$post = array_slice($this->_body, $loc);
|
||
|
|
$this->_body = $pre + $ins + $post;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Echo the body segments
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function outputBody()
|
||
|
|
{
|
||
|
|
$body = implode('', $this->_body);
|
||
|
|
echo $body;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register an exception with the response
|
||
|
|
*
|
||
|
|
* @param Exception $e
|
||
|
|
* @return Zend_Controller_Response_Abstract
|
||
|
|
*/
|
||
|
|
public function setException(Exception $e)
|
||
|
|
{
|
||
|
|
$this->_exceptions[] = $e;
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve the exception stack
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getException()
|
||
|
|
{
|
||
|
|
return $this->_exceptions;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Has an exception been registered with the response?
|
||
|
|
*
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public function isException()
|
||
|
|
{
|
||
|
|
return !empty($this->_exceptions);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Does the response object contain an exception of a given type?
|
||
|
|
*
|
||
|
|
* @param string $type
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public function hasExceptionOfType($type)
|
||
|
|
{
|
||
|
|
foreach ($this->_exceptions as $e) {
|
||
|
|
if ($e instanceof $type) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Does the response object contain an exception with a given message?
|
||
|
|
*
|
||
|
|
* @param string $message
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public function hasExceptionOfMessage($message)
|
||
|
|
{
|
||
|
|
foreach ($this->_exceptions as $e) {
|
||
|
|
if ($message == $e->getMessage()) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Does the response object contain an exception with a given code?
|
||
|
|
*
|
||
|
|
* @param int $code
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public function hasExceptionOfCode($code)
|
||
|
|
{
|
||
|
|
$code = (int) $code;
|
||
|
|
foreach ($this->_exceptions as $e) {
|
||
|
|
if ($code == $e->getCode()) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve all exceptions of a given type
|
||
|
|
*
|
||
|
|
* @param string $type
|
||
|
|
* @return false|array
|
||
|
|
*/
|
||
|
|
public function getExceptionByType($type)
|
||
|
|
{
|
||
|
|
$exceptions = array();
|
||
|
|
foreach ($this->_exceptions as $e) {
|
||
|
|
if ($e instanceof $type) {
|
||
|
|
$exceptions[] = $e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (empty($exceptions)) {
|
||
|
|
$exceptions = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $exceptions;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve all exceptions of a given message
|
||
|
|
*
|
||
|
|
* @param string $message
|
||
|
|
* @return false|array
|
||
|
|
*/
|
||
|
|
public function getExceptionByMessage($message)
|
||
|
|
{
|
||
|
|
$exceptions = array();
|
||
|
|
foreach ($this->_exceptions as $e) {
|
||
|
|
if ($message == $e->getMessage()) {
|
||
|
|
$exceptions[] = $e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (empty($exceptions)) {
|
||
|
|
$exceptions = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $exceptions;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve all exceptions of a given code
|
||
|
|
*
|
||
|
|
* @param mixed $code
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function getExceptionByCode($code)
|
||
|
|
{
|
||
|
|
$code = (int) $code;
|
||
|
|
$exceptions = array();
|
||
|
|
foreach ($this->_exceptions as $e) {
|
||
|
|
if ($code == $e->getCode()) {
|
||
|
|
$exceptions[] = $e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (empty($exceptions)) {
|
||
|
|
$exceptions = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $exceptions;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Whether or not to render exceptions (off by default)
|
||
|
|
*
|
||
|
|
* If called with no arguments or a null argument, returns the value of the
|
||
|
|
* flag; otherwise, sets it and returns the current value.
|
||
|
|
*
|
||
|
|
* @param boolean $flag Optional
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public function renderExceptions($flag = null)
|
||
|
|
{
|
||
|
|
if (null !== $flag) {
|
||
|
|
$this->_renderExceptions = $flag ? true : false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->_renderExceptions;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Send the response, including all headers, rendering exceptions if so
|
||
|
|
* requested.
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function sendResponse()
|
||
|
|
{
|
||
|
|
$this->sendHeaders();
|
||
|
|
|
||
|
|
if ($this->isException() && $this->renderExceptions()) {
|
||
|
|
$exceptions = '';
|
||
|
|
foreach ($this->getException() as $e) {
|
||
|
|
$exceptions .= $e->__toString() . "\n";
|
||
|
|
}
|
||
|
|
echo $exceptions;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->outputBody();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Magic __toString functionality
|
||
|
|
*
|
||
|
|
* Proxies to {@link sendResponse()} and returns response value as string
|
||
|
|
* using output buffering.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function __toString()
|
||
|
|
{
|
||
|
|
ob_start();
|
||
|
|
$this->sendResponse();
|
||
|
|
return ob_get_clean();
|
||
|
|
}
|
||
|
|
}
|