Commit 3408bb84 authored by Taylor Otwell's avatar Taylor Otwell

overall code refactoring, comment improvement.

parent 5c275db6
......@@ -44,7 +44,7 @@ class Form {
// -------------------------------------------------------
if ($method == 'PUT' or $method == 'DELETE')
{
$html .= PHP_EOL.static::hidden('request_method', $method);
$html .= PHP_EOL.static::hidden('REQUEST_METHOD', $method);
}
return $html.PHP_EOL;
......
......@@ -12,6 +12,8 @@ class Lang {
/**
* All of the loaded language lines.
*
* The array is keyed by [$language.$file].
*
* @var array
*/
private static $lines = array();
......@@ -65,18 +67,12 @@ class Lang {
$language = Config::get('application.language');
}
// -----------------------------------------------------
// Parse the key to separate the file and key name.
// -----------------------------------------------------
list($file, $line) = $this->parse($this->key);
// -----------------------------------------------------
// Load the appropriate language file.
// -----------------------------------------------------
$this->load($file, $language);
// --------------------------------------------------------------
// Get the language line.
// Get the language line from the appropriate file array.
// --------------------------------------------------------------
if (array_key_exists($line, static::$lines[$language.$file]))
{
......@@ -88,7 +84,8 @@ class Lang {
}
// --------------------------------------------------------------
// Make all place-holder replacements.
// Make all place-holder replacements. Place-holders are prefixed
// with a colon for convenient location.
// --------------------------------------------------------------
foreach ($this->replacements as $key => $value)
{
......@@ -106,6 +103,10 @@ class Lang {
*/
private function parse($key)
{
// --------------------------------------------------------------
// The left side of the dot is the file name, while the right
// side of the dot is the item within that file being requested.
// --------------------------------------------------------------
$segments = explode('.', $key);
if (count($segments) < 2)
......@@ -113,10 +114,6 @@ class Lang {
throw new \Exception("Invalid language key [$key].");
}
// --------------------------------------------------------------
// The left side of the dot is the file name, while the right
// side of the dot is the item within that file being requested.
// --------------------------------------------------------------
return array($segments[0], implode('.', array_slice($segments, 1)));
}
......@@ -138,7 +135,8 @@ class Lang {
}
// --------------------------------------------------------------
// Load the language file into the array of lines.
// Load the language file into the array of lines. The array
// is keyed by the language and file name.
// --------------------------------------------------------------
if (file_exists($path = APP_PATH.'lang/'.$language.'/'.$file.EXT))
{
......
......@@ -38,6 +38,19 @@ class Redirect {
: new static(Response::make('', $status)->header('Location', $url));
}
/**
* Create a redirect response to a HTTPS URL.
*
* @param string $url
* @param string $method
* @param int $status
* @return Response
*/
public static function to_secure($url, $method = 'location', $status = 302)
{
return static::to($url, $method, $status, true);
}
/**
* Add an item to the session flash data.
*
......@@ -59,19 +72,6 @@ class Redirect {
return $this;
}
/**
* Create a redirect response to a HTTPS URL.
*
* @param string $url
* @param string $method
* @param int $status
* @return Response
*/
public static function to_secure($url, $method = 'location', $status = 302)
{
return static::to($url, $method, $status, true);
}
/**
* Magic Method to handle redirecting to routes.
*/
......
......@@ -2,13 +2,6 @@
class Request {
/**
* The request URI.
*
* @var string
*/
public static $uri;
/**
* Get the request URI.
*
......@@ -16,14 +9,6 @@ class Request {
*/
public static function uri()
{
// -------------------------------------------------------
// If we have already determined the URI, return it.
// -------------------------------------------------------
if ( ! is_null(static::$uri))
{
return static::$uri;
}
// -------------------------------------------------------
// If the PATH_INFO is available, use it.
// -------------------------------------------------------
......@@ -62,17 +47,15 @@ class Request {
}
// -------------------------------------------------------
// Remove the application index.
// Remove the application index and any extra slashes.
// -------------------------------------------------------
$uri = str_replace('/index.php', '', $uri);
$uri = trim($uri, '/');
$uri = trim(str_replace('/index.php', '', $uri), '/');
// -------------------------------------------------------
// If the requests is to the root of the application, we
// always return a single forward slash.
// -------------------------------------------------------
return static::$uri = ($uri == '') ? '/' : Str::lower($uri);
return ($uri == '') ? '/' : Str::lower($uri);
}
/**
......@@ -86,7 +69,7 @@ class Request {
// The method can be spoofed using a POST variable, allowing HTML
// forms to simulate PUT and DELETE requests.
// --------------------------------------------------------------
return (isset($_POST['request_method'])) ? $_POST['request_method'] : $_SERVER['REQUEST_METHOD'];
return Arr::get($_POST, 'REQUEST_METHOD', $_SERVER['REQUEST_METHOD']);
}
/**
......
......@@ -10,7 +10,7 @@ class Response {
public $content;
/**
* The HTTP status code.
* The HTTP status code of the response.
*
* @var int
*/
......@@ -111,15 +111,13 @@ class Response {
{
// --------------------------------------------------------------
// If the response is a Redirect instance, grab the Response.
// The Redirect class manages a Response instance internally.
// --------------------------------------------------------------
if ($response instanceof Redirect)
{
$response = $response->response;
}
// --------------------------------------------------------------
// Make sure the response is an instance of the Response class.
// --------------------------------------------------------------
return ( ! $response instanceof Response) ? new static($response) : $response;
}
......@@ -130,25 +128,16 @@ class Response {
*/
public function send()
{
// -------------------------------------------------
// If a Content-Type header has not been set, do it.
// -------------------------------------------------
if ( ! array_key_exists('Content-Type', $this->headers))
{
$this->header('Content-Type', 'text/html; charset=utf-8');
}
// -------------------------------------------------
// Send the headers to the browser.
// -------------------------------------------------
if ( ! headers_sent())
{
$this->send_headers();
}
// -------------------------------------------------
// Send the content of the response to the browser.
// -------------------------------------------------
echo (string) $this->content;
}
......@@ -159,19 +148,10 @@ class Response {
*/
public function send_headers()
{
// -------------------------------------------------
// Get the proper protocol.
// -------------------------------------------------
$protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.1';
// -------------------------------------------------
// Send the protocol and status header.
// -------------------------------------------------
header($protocol.' '.$this->status.' '.$this->statuses[$this->status]);
// -------------------------------------------------
// Send the rest of the response headers.
// -------------------------------------------------
foreach ($this->headers as $name => $value)
{
header($name.': '.$value, true);
......
......@@ -40,26 +40,27 @@ class Route {
{
$response = null;
// --------------------------------------------------------------
// If the route just has a callback, call it.
// --------------------------------------------------------------
// ------------------------------------------------------------
// If the route value is just a function, all we have to do
// is execute the function! There are no filters to call.
// ------------------------------------------------------------
if (is_callable($this->route))
{
$response = call_user_func_array($this->route, $this->parameters);
}
// --------------------------------------------------------------
// The route value is an array. We'll need to evaluate it.
// --------------------------------------------------------------
// ------------------------------------------------------------
// If the route value is an array, we'll need to check it for
// any filters that may be attached.
// ------------------------------------------------------------
elseif (is_array($this->route))
{
// --------------------------------------------------------------
// Call the "before" route filters.
// --------------------------------------------------------------
$response = isset($this->route['before']) ? Filter::call($this->route['before'], array(), true) : null;
// --------------------------------------------------------------
// Call the route callback.
// --------------------------------------------------------------
// ------------------------------------------------------------
// We verify that the before filters did not return a response
// Before filters can override the request cycle to make things
// like authentication convenient to implement.
// ------------------------------------------------------------
if (is_null($response) and isset($this->route['do']))
{
$response = call_user_func_array($this->route['do'], $this->parameters);
......@@ -68,9 +69,6 @@ class Route {
$response = Response::prepare($response);
// --------------------------------------------------------------
// Call the "after" route filters.
// --------------------------------------------------------------
if (is_array($this->route) and isset($this->route['after']))
{
Filter::call($this->route['after'], array($response));
......
......@@ -19,13 +19,10 @@ class Router {
public static function route($method, $uri)
{
// --------------------------------------------------------------
// Force the URI to have a forward slash.
// Prepend a forward slash since all routes begin with one.
// --------------------------------------------------------------
$uri = ($uri != '/') ? '/'.$uri : $uri;
// --------------------------------------------------------------
// Load the application routes.
// --------------------------------------------------------------
if (is_null(static::$routes))
{
static::$routes = Route\Loader::load($uri);
......@@ -50,11 +47,11 @@ class Router {
// --------------------------------------------------------------
if (strpos($keys, '(') !== false or strpos($keys, ',') !== false )
{
// --------------------------------------------------------------
// Routes can be comma-delimited, so spin through each one.
// --------------------------------------------------------------
foreach (explode(', ', $keys) as $route)
{
// --------------------------------------------------------------
// Convert the route wild-cards to regular expressions.
// --------------------------------------------------------------
$route = str_replace(':num', '[0-9]+', str_replace(':any', '[a-zA-Z0-9\-_]+', $route));
if (preg_match('#^'.$route.'$#', $method.' '.$uri))
......
......@@ -17,8 +17,7 @@ class Session {
private static $session = array();
/**
* Get the session driver. If the driver has already been instantiated, that
* instance will be returned.
* Get the session driver.
*
* @return Session\Driver
*/
......@@ -39,26 +38,25 @@ class Session {
*/
public static function load()
{
// -----------------------------------------------------
// If a valid ID is present, load the session.
// -----------------------------------------------------
if ( ! is_null($id = Cookie::get('laravel_session')))
{
static::$session = static::driver()->load($id);
}
// -----------------------------------------------------
// If the session is invalid, start a new one.
// -----------------------------------------------------
if (is_null($id) or is_null(static::$session) or (time() - static::$session['last_activity']) > (Config::get('session.lifetime') * 60))
// ---------------------------------------------------------
// If the session is invalid or expired, start a new one.
// ---------------------------------------------------------
if (is_null($id) or is_null(static::$session) or static::expired(static::$session['last_activity']))
{
static::$session['id'] = Str::random(40);
static::$session['data'] = array();
}
// -----------------------------------------------------
// Create a CSRF token for the session if necessary.
// -----------------------------------------------------
// ---------------------------------------------------------
// Create a CSRF token for the session if necessary. This
// token is used by the Form class and filters to protect
// against cross-site request forgeries.
// ---------------------------------------------------------
if ( ! static::has('csrf_token'))
{
static::put('csrf_token', Str::random(16));
......@@ -67,6 +65,17 @@ class Session {
static::$session['last_activity'] = time();
}
/**
* Determine if a session has expired based on the last activity.
*
* @param int $last_activity
* @return bool
*/
private static function expired($last_activity)
{
return (time() - $last_activity) > (Config::get('session.lifetime') * 60);
}
/**
* Determine if the session or flash data contains an item.
*
......@@ -88,20 +97,17 @@ class Session {
*/
public static function get($key, $default = null)
{
if (static::has($key))
if (array_key_exists($key, static::$session['data']))
{
if (array_key_exists($key, static::$session['data']))
{
return static::$session['data'][$key];
}
elseif (array_key_exists(':old:'.$key, static::$session['data']))
{
return static::$session['data'][':old:'.$key];
}
elseif (array_key_exists(':new:'.$key, static::$session['data']))
{
return static::$session['data'][':new:'.$key];
}
return static::$session['data'][$key];
}
elseif (array_key_exists(':old:'.$key, static::$session['data']))
{
return static::$session['data'][':old:'.$key];
}
elseif (array_key_exists(':new:'.$key, static::$session['data']))
{
return static::$session['data'][':new:'.$key];
}
return $default;
......@@ -159,7 +165,15 @@ class Session {
*/
public static function regenerate()
{
// ---------------------------------------------------------
// When regenerating the session ID, we go ahead and delete
// the session data from storage. Then, we assign a new ID.
//
// The session will be re-written to storage at the end
// of the request to the application.
// ---------------------------------------------------------
static::driver()->delete(static::$session['id']);
static::$session['id'] = Str::random(40);
}
......@@ -170,30 +184,26 @@ class Session {
*/
public static function close()
{
// -----------------------------------------------------
// Flash the old input to the session and age the flash.
// -----------------------------------------------------
// ---------------------------------------------------------
// Flash the old input data to the session. This allows
// the Input::old method to retrieve input from the
// previous request made by the user.
// ---------------------------------------------------------
static::flash('laravel_old_input', Input::get());
static::age_flash();
// -----------------------------------------------------
// Write the session data to storage.
// -----------------------------------------------------
static::driver()->save(static::$session);
// -----------------------------------------------------
// Set the session cookie.
// -----------------------------------------------------
// ---------------------------------------------------------
// Send the session cookie the browser so we can remember
// who the session belongs to on subsequent requests.
// ---------------------------------------------------------
if ( ! headers_sent())
{
$cookie = new Cookie('laravel_session', static::$session['id']);
if ( ! Config::get('session.expire_on_close'))
{
$cookie->lifetime = Config::get('session.lifetime');
}
$cookie->lifetime = (Config::get('session.expire_on_close')) ? 0 : Config::get('session.lifetime');
$cookie->path = Config::get('session.path');
$cookie->domain = Config::get('session.domain');
$cookie->secure = Config::get('session.https');
......@@ -201,9 +211,10 @@ class Session {
$cookie->send();
}
// -----------------------------------------------------
// ---------------------------------------------------------
// Perform session garbage collection (2% chance).
// -----------------------------------------------------
// Session garbage collection removes all expired sessions.
// ---------------------------------------------------------
if (mt_rand(1, 100) <= 2)
{
static::driver()->sweep(time() - (Config::get('session.lifetime') * 60));
......@@ -218,7 +229,7 @@ class Session {
private static function age_flash()
{
// -----------------------------------------------------
// Expire all of the old flash data.
// Remove all of the :old: items from the session.
// -----------------------------------------------------
foreach (static::$session['data'] as $key => $value)
{
......@@ -229,20 +240,15 @@ class Session {
}
// -----------------------------------------------------
// Age all of the new flash data.
// Copy all of the :new: items to :old: items and then
// remove the :new: items from the session.
// -----------------------------------------------------
foreach (static::$session['data'] as $key => $value)
{
if (strpos($key, ':new:') === 0)
{
// -----------------------------------------------------
// Create an :old: item for the :new: item.
// -----------------------------------------------------
static::put(':old:'.substr($key, 5), $value);
// -----------------------------------------------------
// Forget the :new: item.
// -----------------------------------------------------
static::forget($key);
}
}
......
......@@ -20,9 +20,6 @@ class URL {
return $url;
}
// ----------------------------------------------------
// Get the base URL and index page.
// ----------------------------------------------------
$base = Config::get('application.url');
// ----------------------------------------------------
......@@ -89,11 +86,13 @@ class URL {
$uri = substr($uris[0], strpos($uris[0], '/'));
// ----------------------------------------------------
// Replace any parameters in the URI.
// Replace any parameters in the URI. This allows
// the dynamic creation of URLs that contain parameter
// wildcards.
// ----------------------------------------------------
foreach ($parameters as $parameter)
{
$uri = preg_replace('/\(\:any\)|\(\:num\)|\(.+\)/', $parameter, $uri, 1);
$uri = preg_replace('/\(.+\)/', $parameter, $uri, 1);
}
return static::to($uri, $https);
......
......@@ -55,13 +55,10 @@ class View {
*/
public function get()
{
// -----------------------------------------------------
// Set the last rendered view name to the current view.
// -----------------------------------------------------
static::$last = $this->view;
// -----------------------------------------------------
// Get the content of all of the sub-views.
// Get the evaluated content of all of the sub-views.
// -----------------------------------------------------
foreach ($this->data as &$data)
{
......
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