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cookie, request, response WIP

tags/2.0.0-beta
Qiang Xue 12 years ago
parent
4ec96cd6cf
commit
1536a6828a
4 changed files with 157 additions and 128 deletions
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  1. 16
      framework/web/Cookie.php
  2. 193
      framework/web/CookieCollection.php
  3. 46
      framework/web/Request.php
  4. 24
      framework/web/Response.php

16
framework/web/Cookie.php
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@ -48,4 +48,20 @@ class Cookie extends \yii\base\Object
* such as JavaScript, which can effectively help to reduce identity theft through XSS attacks.
*/
public $httpOnly = false;
/**
* Magic method to turn a cookie object into a string without having to explicitly access [[value]].
*
* ~~~
* if (isset($request->cookies['name'])) {
* $value = (string)$request->cookies['name'];
* }
* ~~~
*
* @return string The value of the cookie. If the value property is null, an empty string will be returned.
*/
public function __toString()
{
return (string)$this->value;
}
}

193
framework/web/CookieCollection.php
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@ -1,6 +1,6 @@
<?php
/**
* Dictionary class file.
* CookieCollection class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008 Yii Software LLC
@ -12,26 +12,9 @@ namespace yii\web;
use yii\base\DictionaryIterator;
/**
* Dictionary implements a collection that stores key-value pairs.
* CookieCollection maintains the cookies available in the current request.
*
* You can access, add or remove an item with a key by using
* [[itemAt()]], [[add()]], and [[remove()]].
*
* To get the number of the items in the dictionary, use [[getCount()]].
*
* Because Dictionary implements a set of SPL interfaces, it can be used
* like a regular PHP array as follows,
*
* ~~~
* $dictionary[$key] = $value; // add a key-value pair
* unset($dictionary[$key]); // remove the value with the specified key
* if (isset($dictionary[$key])) // if the dictionary contains the key
* foreach ($dictionary as $key=>$value) // traverse the items in the dictionary
* $n = count($dictionary); // returns the number of items in the dictionary
* ~~~
*
* @property integer $count the number of items in the dictionary
* @property array $keys The keys in the dictionary
* @property integer $count the number of cookies in the collection
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
@ -39,15 +22,13 @@ use yii\base\DictionaryIterator;
class CookieCollection extends \yii\base\Object implements \IteratorAggregate, \ArrayAccess, \Countable
{
/**
* @var Cookie[] internal data storage
* @var Cookie[] the cookies in this collection (indexed by the cookie names)
*/
private $_cookies = array();
/**
* Constructor.
* Initializes the dictionary with an array or an iterable object.
* @param array $cookies the initial data to be populated into the dictionary.
* This can be an array or an iterable object.
* @param Cookie[] $cookies the initial cookies in the collection.
* @param array $config name-value pairs that will be used to initialize the object properties
*/
public function __construct($cookies = array(), $config = array())
@ -57,10 +38,10 @@ class CookieCollection extends \yii\base\Object implements \IteratorAggregate, \
}
/**
* Returns an iterator for traversing the items in the dictionary.
* Returns an iterator for traversing the cookies in the collection.
* This method is required by the SPL interface `IteratorAggregate`.
* It will be implicitly called when you use `foreach` to traverse the dictionary.
* @return DictionaryIterator an iterator for traversing the items in the dictionary.
* It will be implicitly called when you use `foreach` to traverse the collection.
* @return DictionaryIterator an iterator for traversing the cookies in the collection.
*/
public function getIterator()
{
@ -68,10 +49,10 @@ class CookieCollection extends \yii\base\Object implements \IteratorAggregate, \
}
/**
* Returns the number of items in the dictionary.
* Returns the number of cookies in the collection.
* This method is required by the SPL `Countable` interface.
* It will be implicitly called when you use `count($dictionary)`.
* @return integer number of items in the dictionary.
* It will be implicitly called when you use `count($collection)`.
* @return integer the number of cookies in the collection.
*/
public function count()
{
@ -79,8 +60,8 @@ class CookieCollection extends \yii\base\Object implements \IteratorAggregate, \
}
/**
* Returns the number of items in the dictionary.
* @return integer the number of items in the dictionary
* Returns the number of cookies in the collection.
* @return integer the number of cookies in the collection.
*/
public function getCount()
{
@ -88,72 +69,74 @@ class CookieCollection extends \yii\base\Object implements \IteratorAggregate, \
}
/**
* Returns the keys stored in the dictionary.
* @return array the key list
* Returns the cookie with the specified name.
* @param string $name the cookie name
* @return Cookie the cookie with the specified name. Null if the named cookie does not exist.
* @see getValue()
*/
public function getNames()
public function get($name)
{
return array_keys($this->_cookies);
return isset($this->_cookies[$name]) ? $this->_cookies[$name] : null;
}
/**
* Returns the item with the specified key.
* @param mixed $name the key
* @return Cookie the element with the specified key.
* Null if the key cannot be found in the dictionary.
* Returns the value of the named cookie.
* @param string $name the cookie name
* @param mixed $defaultValue the value that should be returned when the named cookie does not exist.
* @return mixed the value of the named cookie.
* @see get()
*/
public function getCookie($name)
public function getValue($name, $defaultValue)
{
return isset($this->_cookies[$name]) ? $this->_cookies[$name] : null;
return isset($this->_cookies[$name]) ? $this->_cookies[$name]->value : $defaultValue;
}
/**
* Adds an item into the dictionary.
* Note, if the specified key already exists, the old value will be overwritten.
* @param Cookie $cookie value
* @throws Exception if the dictionary is read-only
* Adds a cookie to the collection.
* If there is already a cookie with the same name in the collection, it will be removed first.
* @param Cookie $cookie the cookie to be added
*/
public function add(Cookie $cookie)
public function add($cookie)
{
if (isset($this->_cookies[$cookie->name])) {
$this->remove($this->_cookies[$cookie->name]);
$c = $this->_cookies[$cookie->name];
setcookie($c->name, '', 0, $c->path, $c->domain, $c->secure, $c->httpOnly);
}
setcookie($cookie->name, $cookie->value, $cookie->expire, $cookie->path, $cookie->domain, $cookie->secure, $cookie->httpOnly);
$this->_cookies[$cookie->name] = $cookie;
}
/**
* Removes an item from the dictionary by its key.
* @param mixed $key the key of the item to be removed
* @return mixed the removed value, null if no such key exists.
* @throws Exception if the dictionary is read-only
* Removes a cookie from the collection.
* @param Cookie|string $cookie the cookie object or the name of the cookie to be removed.
*/
public function remove(Cookie $cookie)
public function remove($cookie)
{
if (is_string($cookie) && isset($this->_cookies[$cookie])) {
$cookie = $this->_cookies[$cookie];
}
if ($cookie instanceof Cookie) {
setcookie($cookie->name, '', 0, $cookie->path, $cookie->domain, $cookie->secure, $cookie->httpOnly);
unset($this->_cookies[$cookie->name]);
}
}
/**
* Removes all items from the dictionary.
* @param boolean $safeClear whether to clear every item by calling [[remove]].
* Defaults to false, meaning all items in the dictionary will be cleared directly
* without calling [[remove]].
* Removes all cookies.
*/
public function clear($safeClear = false)
public function removeAll()
{
if ($safeClear) {
foreach (array_keys($this->_cookies) as $key) {
$this->remove($key);
foreach ($this->_cookies as $cookie) {
setcookie($cookie->name, '', 0, $cookie->path, $cookie->domain, $cookie->secure, $cookie->httpOnly);
}
} else {
$this->_cookies = array();
}
}
/**
* Returns the dictionary as a PHP array.
* @return array the list of items in array
* Returns the collection as a PHP array.
* @return array the array representation of the collection.
* The array keys are cookie names, and the array values are the corresponding
* cookie objects.
*/
public function toArray()
{
@ -161,78 +144,52 @@ class CookieCollection extends \yii\base\Object implements \IteratorAggregate, \
}
/**
* Returns whether there is an element at the specified offset.
* Returns whether there is a cookie with the specified name.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `isset($dictionary[$offset])`.
* This is equivalent to [[contains]].
* @param mixed $offset the offset to check on
* @return boolean
* It is implicitly called when you use something like `isset($collection[$name])`.
* @param string $name the cookie name
* @return boolean whether the named cookie exists
*/
public function offsetExists($offset)
public function offsetExists($name)
{
return isset($this->_cookies[$offset]);
return isset($this->_cookies[$name]);
}
/**
* Returns the element at the specified offset.
* Returns the cookie with the specified name.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `$value = $dictionary[$offset];`.
* This is equivalent to [[itemAt]].
* @param mixed $offset the offset to retrieve element.
* @return mixed the element at the offset, null if no element is found at the offset
* It is implicitly called when you use something like `$cookie = $collection[$name];`.
* This is equivalent to [[get()]].
* @param string $name the cookie name
* @return Cookie the cookie with the specified name, null if the named cookie does not exist.
*/
public function offsetGet($offset)
public function offsetGet($name)
{
return $this->getCookie($offset);
return $this->get($name);
}
/**
* Sets the element at the specified offset.
* Adds the cookie to the collection.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `$dictionary[$offset] = $item;`.
* If the offset is null, the new item will be appended to the dictionary.
* Otherwise, the existing item at the offset will be replaced with the new item.
* This is equivalent to [[add]].
* @param mixed $offset the offset to set element
* @param mixed $item the element value
*/
public function offsetSet($offset, $item)
{
$this->add($item);
}
/**
* Unsets the element at the specified offset.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `unset($dictionary[$offset])`.
* This is equivalent to [[remove]].
* @param mixed $offset the offset to unset element
* It is implicitly called when you use something like `$collection[$name] = $cookie;`.
* This is equivalent to [[add()]].
* @param string $name the cookie name
* @param Cookie $cookie the cookie to be added
*/
public function offsetUnset($offset)
public function offsetSet($name, $cookie)
{
if (isset($this->_cookies[$offset])) {
$this->remove($this->_cookies[$offset]);
}
$this->add($cookie);
}
/**
* @return array list of validated cookies
* Removes the named cookie.
* This method is required by the SPL interface `ArrayAccess`.
* It is implicitly called when you use something like `unset($collection[$name])`.
* This is equivalent to [[remove()]].
* @param string $name the cookie name
*/
protected function loadCookies($data)
public function offsetUnset($name)
{
$cookies = array();
if ($this->_request->enableCookieValidation) {
$sm = Yii::app()->getSecurityManager();
foreach ($_COOKIE as $name => $value) {
if (is_string($value) && ($value = $sm->validateData($value)) !== false) {
$cookies[$name] = new CHttpCookie($name, @unserialize($value));
}
}
} else {
foreach ($_COOKIE as $name => $value) {
$cookies[$name] = new CHttpCookie($name, $value);
}
}
return $cookies;
$this->remove($name);
}
}

46
framework/web/Request.php
Unescape View File

@ -695,21 +695,53 @@ class Request extends \yii\base\Request
return isset($languages[0]) ? $languages[0] : false;
}
/**
* Returns the cookie collection.
* The result can be used like an associative array. Adding {@link CHttpCookie} objects
* to the collection will send the cookies to the client; and removing the objects
* from the collection will delete those cookies on the client.
* @return CCookieCollection the cookie collection.
* Through the returned cookie collection, you may access a cookie using the following syntax:
*
* ~~~
* $cookie = $request->cookies['name']
* if ($cookie !== null) {
* $value = $cookie->value;
* }
*
* // alternatively
* $value = $request->cookies->getValue('name');
* ~~~
*
* @return CookieCollection the cookie collection.
*/
public function getCookies()
{
if ($this->_cookies !== null) {
if ($this->_cookies === null) {
$this->_cookies = new CookieCollection($this->loadCookies());
}
return $this->_cookies;
}
/**
* Returns the current cookies in terms of [[Cookie]] objects.
* @return Cookie[] list of current cookies
*/
protected function loadCookies()
{
$cookies = array();
if ($this->enableCookieValidation) {
$sm = Yii::app()->getSecurityManager();
foreach ($_COOKIE as $name => $value) {
if (is_string($value) && ($value = $sm->validateData($value)) !== false) {
$cookies[$name] = new CHttpCookie($name, @unserialize($value));
}
}
} else {
return $this->_cookies = new CCookieCollection($this);
foreach ($_COOKIE as $name => $value) {
$cookies[$name] = new Cookie(array(
'name' => $name,
'value' => $value,
));
}
}
return $cookies;
}
private $_csrfToken;

24
framework/web/Response.php
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@ -161,4 +161,28 @@ class Response extends \yii\base\Response
Yii::app()->end();
}
}
/**
* Returns the cookie collection.
* Through the returned cookie collection, you add or remove cookies as follows,
*
* ~~~
* // add a cookie
* $response->cookies->add(new Cookie(array(
* 'name' => $name,
* 'value' => $value,
* ));
*
* // remove a cookie
* $response->cookies->remove('name');
* // alternatively
* unset($response->cookies['name']);
* ~~~
*
* @return CookieCollection the cookie collection.
*/
public function getCookies()
{
return \Yii::$app->getRequest()->getCookies();
}
}

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