Commit 4342f82a authored by Taylor Otwell's avatar Taylor Otwell

refactoring cache and session classes.

parent 9f7ed576
...@@ -7,7 +7,7 @@ class APC extends Driver { ...@@ -7,7 +7,7 @@ class APC extends Driver {
* *
* @var string * @var string
*/ */
private $key; protected $key;
/** /**
* Create a new APC cache driver instance. * Create a new APC cache driver instance.
...@@ -45,6 +45,11 @@ class APC extends Driver { ...@@ -45,6 +45,11 @@ class APC extends Driver {
/** /**
* Write an item to the cache for a given number of minutes. * Write an item to the cache for a given number of minutes.
* *
* <code>
* // Put an item in the cache for 15 minutes
* Cache::put('name', 'Taylor', 15);
* </code>
*
* @param string $key * @param string $key
* @param mixed $value * @param mixed $value
* @param int $minutes * @param int $minutes
......
<?php namespace Laravel\Cache\Drivers; use Laravel\File as F; <?php namespace Laravel\Cache\Drivers;
class File extends Driver { class File extends Driver {
...@@ -7,7 +7,7 @@ class File extends Driver { ...@@ -7,7 +7,7 @@ class File extends Driver {
* *
* @var string * @var string
*/ */
private $path; protected $path;
/** /**
* Create a new File cache driver instance. * Create a new File cache driver instance.
...@@ -39,9 +39,9 @@ class File extends Driver { ...@@ -39,9 +39,9 @@ class File extends Driver {
*/ */
protected function retrieve($key) protected function retrieve($key)
{ {
if ( ! F::exists($this->path.$key)) return null; if ( ! \Laravel\File::exists($this->path.$key)) return null;
if (time() >= substr($cache = F::get($this->path.$key), 0, 10)) if (time() >= substr($cache = \Laravel\File::get($this->path.$key), 0, 10))
{ {
return $this->forget($key); return $this->forget($key);
} }
...@@ -52,6 +52,11 @@ class File extends Driver { ...@@ -52,6 +52,11 @@ class File extends Driver {
/** /**
* Write an item to the cache for a given number of minutes. * Write an item to the cache for a given number of minutes.
* *
* <code>
* // Put an item in the cache for 15 minutes
* Cache::put('name', 'Taylor', 15);
* </code>
*
* @param string $key * @param string $key
* @param mixed $value * @param mixed $value
* @param int $minutes * @param int $minutes
...@@ -59,7 +64,7 @@ class File extends Driver { ...@@ -59,7 +64,7 @@ class File extends Driver {
*/ */
public function put($key, $value, $minutes) public function put($key, $value, $minutes)
{ {
F::put($this->path.$key, (time() + ($minutes * 60)).serialize($value)); \Laravel\File::put($this->path.$key, (time() + ($minutes * 60)).serialize($value));
} }
/** /**
...@@ -70,7 +75,7 @@ class File extends Driver { ...@@ -70,7 +75,7 @@ class File extends Driver {
*/ */
public function forget($key) public function forget($key)
{ {
F::delete($this->path.$key); \Laravel\File::delete($this->path.$key);
} }
} }
\ No newline at end of file
...@@ -7,14 +7,14 @@ class Memcached extends Driver { ...@@ -7,14 +7,14 @@ class Memcached extends Driver {
* *
* @var Memcache * @var Memcache
*/ */
private $memcache; protected $memcache;
/** /**
* The cache key from the cache configuration file. * The cache key from the cache configuration file.
* *
* @var string * @var string
*/ */
private $key; protected $key;
/** /**
* Create a new Memcached cache driver instance. * Create a new Memcached cache driver instance.
...@@ -53,6 +53,11 @@ class Memcached extends Driver { ...@@ -53,6 +53,11 @@ class Memcached extends Driver {
/** /**
* Write an item to the cache for a given number of minutes. * Write an item to the cache for a given number of minutes.
* *
* <code>
* // Put an item in the cache for 15 minutes
* Cache::put('name', 'Taylor', 15);
* </code>
*
* @param string $key * @param string $key
* @param mixed $value * @param mixed $value
* @param int $minutes * @param int $minutes
......
<?php namespace Laravel\Cache; <?php namespace Laravel\Cache; use Laravel\IoC;
use Laravel\IoC;
class Manager { class Manager {
......
<?php namespace Laravel;
/**
* The Proxy class, like the File class, is primarily intended to get rid of
* the testability problems introduced by PHP's global functions.
*
* For instance, the APC cache driver calls the APC global functions. Instead of
* calling those functions directory in the driver, we inject a Proxy instance into
* the class, which allows us to stub the global functions.
*/
class Proxy {
/**
* Magic Method for calling any global function.
*/
public function __call($method, $parameters)
{
return call_user_func_array($method, $parameters);
}
}
\ No newline at end of file
...@@ -58,9 +58,10 @@ class Manager { ...@@ -58,9 +58,10 @@ class Manager {
{ {
$session = $this->driver->load($this->transporter->get($config)); $session = $this->driver->load($this->transporter->get($config));
// If the session is expired, a new session will be generated and all of the data from // If the session is expired, a new session will be generated and all of
// the previous session will be lost. The new session will be assigned a random, long // the data from the previous session will be lost. The new session will
// string ID to uniquely identify it among the application's current users. // be assigned a random, long string ID to uniquely identify it among
// the application's current users.
if (is_null($session) or (time() - $session['last_activity']) > ($config['lifetime'] * 60)) if (is_null($session) or (time() - $session['last_activity']) > ($config['lifetime'] * 60))
{ {
$this->exists = false; $this->exists = false;
...@@ -70,10 +71,11 @@ class Manager { ...@@ -70,10 +71,11 @@ class Manager {
$payload = new Payload($session); $payload = new Payload($session);
// If a CSRF token is not present in the session, we will generate one. These tokens // If a CSRF token is not present in the session, we will generate one.
// are generated per session to protect against Cross-Site Request Forgery attacks on // These tokens are generated per session to protect against Cross-Site
// the application. It is up to the developer to take advantage of them using the token // Request Forgery attacks on the application. It is up to the developer
// methods on the Form class and the "csrf" route filter. // to take advantage of them using the token methods on the Form class
// and the "csrf" route filter.
if ( ! $payload->has('csrf_token')) if ( ! $payload->has('csrf_token'))
{ {
$payload->put('csrf_token', Str::random(16)); $payload->put('csrf_token', Str::random(16));
...@@ -92,8 +94,9 @@ class Manager { ...@@ -92,8 +94,9 @@ class Manager {
*/ */
public function close(Payload $payload, $config, $flash = array()) public function close(Payload $payload, $config, $flash = array())
{ {
// If the session ID has been regenerated, we will need to inform the session driver // If the session ID has been regenerated, we will need to inform the
// that the session will need to be persisted to the data store as a new session. // session driver that the session will need to be persisted to the
// data store as a new session.
if ($payload->regenerated) $this->exists = false; if ($payload->regenerated) $this->exists = false;
foreach ($flash as $key => $value) foreach ($flash as $key => $value)
...@@ -105,9 +108,10 @@ class Manager { ...@@ -105,9 +108,10 @@ class Manager {
$this->transporter->put($payload->session['id'], $config); $this->transporter->put($payload->session['id'], $config);
// Some session drivers implement the Sweeper interface, which specified that the driver // Some session drivers may implement the Sweeper interface, meaning the
// must do its garbage collection manually. Alternatively, some drivers such as APC and // driver must do its garbage collection manually. Alternatively, some
// Memcached are not required to manually clean up their sessions. // drivers such as APC and Memcached are not required to manually
// clean up their sessions.
if (mt_rand(1, $config['sweepage'][1]) <= $config['sweepage'][0] and $this->driver instanceof Drivers\Sweeper) if (mt_rand(1, $config['sweepage'][1]) <= $config['sweepage'][0] and $this->driver instanceof Drivers\Sweeper)
{ {
$this->driver->sweep(time() - ($config['lifetime'] * 60)); $this->driver->sweep(time() - ($config['lifetime'] * 60));
......
<?php namespace Laravel\Session; <?php namespace Laravel\Session; use Closure, Laravel\Str;
use Closure;
use Laravel\Str;
class Payload { class Payload {
...@@ -119,7 +116,7 @@ class Payload { ...@@ -119,7 +116,7 @@ class Payload {
*/ */
public function reflash() public function reflash()
{ {
$this->readdress(':old:', ':new:', array_keys($this->session['data'])); $this->replace(':old:', ':new:', array_keys($this->session['data']));
} }
/** /**
...@@ -197,7 +194,7 @@ class Payload { ...@@ -197,7 +194,7 @@ class Payload {
if (strpos($key, ':old:') === 0) $this->forget($key); if (strpos($key, ':old:') === 0) $this->forget($key);
} }
$this->readdress(':new:', ':old:', array_keys($this->session['data'])); $this->replace(':new:', ':old:', array_keys($this->session['data']));
return $this->session; return $this->session;
} }
...@@ -210,7 +207,7 @@ class Payload { ...@@ -210,7 +207,7 @@ class Payload {
* @param array $keys * @param array $keys
* @return void * @return void
*/ */
private function readdress($search, $replace, $keys) private function replace($search, $replace, $keys)
{ {
$this->session['data'] = array_combine(str_replace($search, $replace, $keys), array_values($this->session['data'])); $this->session['data'] = array_combine(str_replace($search, $replace, $keys), array_values($this->session['data']));
} }
......
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