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<?php
/**
* @package Joomla.Platform
* @subpackage Application
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
jimport('joomla.application.input');
jimport('joomla.application.web.webclient');
jimport('joomla.environment.uri');
jimport('joomla.event.dispatcher');
/**
* Base class for a Joomla! Web application.
*
* @package Joomla.Platform
* @subpackage Application
* @since 11.4
*/
class JApplicationWeb
{
/**
* @var JInput The application input object.
* @since 11.3
*/
public $input;
/**
* @var string Character encoding string.
* @since 11.3
*/
public $charSet = 'utf-8';
/**
* @var string Response mime type.
* @since 11.3
*/
public $mimeType = 'text/html';
/**
* @var JDate The body modified date for response headers.
* @since 11.3
*/
public $modifiedDate;
/**
* @var JWebClient The application client object.
* @since 11.3
*/
public $client;
/**
* @var JRegistry The application configuration object.
* @since 11.3
*/
protected $config;
/**
* @var JDispatcher The application dispatcher object.
* @since 11.3
*/
protected $dispatcher;
/**
* @var JDocument The application document object.
* @since 11.3
*/
protected $document;
/**
* @var JLanguage The application language object.
* @since 11.3
*/
protected $language;
/**
* @var JSession The application session object.
* @since 11.3
*/
protected $session;
/**
* @var object The application response object.
* @since 11.3
*/
protected $response;
/**
* @var JApplicationWeb The application instance.
* @since 11.3
*/
protected static $instance;
/**
* Class constructor.
*
* @param mixed $input An optional argument to provide dependency injection for the application's
* input object. If the argument is a JInput object that object will become
* the application's input object, otherwise a default input object is created.
* @param mixed $config An optional argument to provide dependency injection for the application's
* config object. If the argument is a JRegistry object that object will become
* the application's config object, otherwise a default config object is created.
* @param mixed $client An optional argument to provide dependency injection for the application's
* client object. If the argument is a JWebClient object that object will become
* the application's client object, otherwise a default client object is created.
*
* @since 11.3
*/
public function __construct(JInput $input = null, JRegistry $config = null, JWebClient $client = null)
{
// If a input object is given use it.
if ($input instanceof JInput)
{
$this->input = $input;
}
// Create the input based on the application logic.
else
{
$this->input = new JInput;
}
// If a config object is given use it.
if ($config instanceof JRegistry)
{
$this->config = $config;
}
// Instantiate a new configuration object.
else
{
$this->config = new JRegistry;
}
// If a client object is given use it.
if ($client instanceof JWebClient)
{
$this->client = $client;
}
// Instantiate a new web client object.
else
{
$this->client = new JWebClient;
}
// Load the configuration object.
$this->loadConfiguration($this->fetchConfigurationData());
// Set the execution datetime and timestamp;
$this->set('execution.datetime', gmdate('Y-m-d H:i:s'));
$this->set('execution.timestamp', time());
// Setup the response object.
$this->response = new stdClass;
$this->response->cachable = false;
$this->response->headers = array();
$this->response->body = array();
// Set the system URIs.
$this->loadSystemUris();
}
/**
* Returns a reference to the global JApplicationWeb object, only creating it if it doesn't already exist.
*
* This method must be invoked as: $web = JApplicationWeb::getInstance();
*
* @param string $name The name (optional) of the JApplicationWeb class to instantiate.
*
* @return JApplicationWeb
*
* @since 11.3
*/
public static function getInstance($name = null)
{
// Only create the object if it doesn't exist.
if (empty(self::$instance))
{
if (class_exists($name) && (is_subclass_of($name, 'JApplicationWeb')))
{
self::$instance = new $name;
}
else
{
self::$instance = new JApplicationWeb;
}
}
return self::$instance;
}
/**
* Initialise the application.
*
* @param mixed $session An optional argument to provide dependency injection for the application's
* session object. If the argument is a JSession object that object will become
* the application's session object, if it is false then there will be no session
* object, and if it is null then the default session object will be created based
* on the application's loadSession() method.
* @param mixed $document An optional argument to provide dependency injection for the application's
* document object. If the argument is a JDocument object that object will become
* the application's document object, if it is false then there will be no document
* object, and if it is null then the default document object will be created based
* on the application's loadDocument() method.
* @param mixed $language An optional argument to provide dependency injection for the application's
* language object. If the argument is a JLanguage object that object will become
* the application's language object, if it is false then there will be no language
* object, and if it is null then the default language object will be created based
* on the application's loadLanguage() method.
* @param mixed $dispatcher An optional argument to provide dependency injection for the application's
* event dispatcher. If the argument is a JDispatcher object that object will become
* the application's event dispatcher, if it is null then the default event dispatcher
* will be created based on the application's loadDispatcher() method.
*
* @return JApplicationWeb Instance of $this to allow chaining.
*
* @see loadSession()
* @see loadDocument()
* @see loadLanguage()
* @see loadDispatcher()
* @since 11.3
*/
public function initialise($session = null, $document = null, $language = null, $dispatcher = null)
{
// If a session object is given use it.
if ($session instanceof JSession)
{
$this->session = $session;
}
// We don't have a session, nor do we want one.
elseif ($session === false)
{
// Do nothing.
}
// Create the session based on the application logic.
else
{
$this->loadSession();
}
// If a document object is given use it.
if ($document instanceof JDocument)
{
$this->document = $document;
}
// We don't have a document, nor do we want one.
elseif ($document === false)
{
// Do nothing.
}
// Create the document based on the application logic.
else
{
$this->loadDocument();
}
// If a language object is given use it.
if ($language instanceof JLanguage)
{
$this->language = $language;
}
// We don't have a language, nor do we want one.
elseif ($language === false)
{
// Do nothing.
}
// Create the language based on the application logic.
else
{
$this->loadLanguage();
}
// Reverted back for CMS version 2.5.6
// If a dispatcher object is given use it.
if ($dispatcher instanceof JDispatcher)
{
$this->dispatcher = $dispatcher;
}
// Create the dispatcher based on the application logic.
else
{
$this->loadDispatcher();
}
return $this;
}
/**
* Execute the application.
*
* @return void
*
* @since 11.3
*/
public function execute()
{
// Trigger the onBeforeExecute event.
$this->triggerEvent('onBeforeExecute');
// Perform application routines.
$this->doExecute();
// Trigger the onAfterExecute event.
$this->triggerEvent('onAfterExecute');
// If we have an application document object, render it.
if ($this->document instanceof JDocument)
{
// Trigger the onBeforeRender event.
$this->triggerEvent('onBeforeRender');
// Render the application output.
$this->render();
// Trigger the onAfterRender event.
$this->triggerEvent('onAfterRender');
}
// If gzip compression is enabled in configuration and the server is compliant, compress the output.
if ($this->get('gzip') && !ini_get('zlib.output_compression') && (ini_get('output_handler') != 'ob_gzhandler'))
{
$this->compress();
}
// Trigger the onBeforeRespond event.
$this->triggerEvent('onBeforeRespond');
// Send the application response.
$this->respond();
// Trigger the onAfterRespond event.
$this->triggerEvent('onAfterRespond');
}
/**
* Method to run the Web application routines. Most likely you will want to instantiate a controller
* and execute it, or perform some sort of action that populates a JDocument object so that output
* can be rendered to the client.
*
* @return void
*
* @codeCoverageIgnore
* @since 11.3
*/
protected function doExecute()
{
// Your application routines go here.
}
/**
* Rendering is the process of pushing the document buffers into the template
* placeholders, retrieving data from the document and pushing it into
* the application response buffer.
*
* @return void
*
* @since 11.3
*/
protected function render()
{
// Setup the document options.
$options = array(
'template' => $this->get('theme'),
'file' => 'index.php',
'params' => ''
);
if ($this->get('themes.base'))
{
$options['directory'] = $this->get('themes.base');
}
// Fall back to constants.
else
{
$options['directory'] = (defined('JPATH_BASE') ? JPATH_BASE : dirname(__FILE__)) . '/themes';
}
// Parse the document.
$this->document->parse($options);
// Render the document.
$data = $this->document->render($this->get('cache_enabled'), $options);
// Set the application output data.
$this->setBody($data);
}
/**
* Checks the accept encoding of the browser and compresses the data before
* sending it to the client if possible.
*
* @return void
*
* @since 11.3
*/
protected function compress()
{
// Supported compression encodings.
$supported = array(
'x-gzip' => 'gz',
'gzip' => 'gz',
'deflate' => 'deflate'
);
// Get the supported encoding.
$encodings = array_intersect($this->client->encodings, array_keys($supported));
// If no supported encoding is detected do nothing and return.
if (empty($encodings))
{
return;
}
// Verify that headers have not yet been sent, and that our connection is still alive.
if ($this->checkHeadersSent() || !$this->checkConnectionAlive())
{
return;
}
// Iterate through the encodings and attempt to compress the data using any found supported encodings.
foreach ($encodings as $encoding)
{
if (($supported[$encoding] == 'gz') || ($supported[$encoding] == 'deflate'))
{
// Verify that the server supports gzip compression before we attempt to gzip encode the data.
// @codeCoverageIgnoreStart
if (!extension_loaded('zlib') || ini_get('zlib.output_compression'))
{
continue;
}
// @codeCoverageIgnoreEnd
// Attempt to gzip encode the data with an optimal level 4.
$data = $this->getBody();
$gzdata = gzencode($data, 4, ($supported[$encoding] == 'gz') ? FORCE_GZIP : FORCE_DEFLATE);
// If there was a problem encoding the data just try the next encoding scheme.
// @codeCoverageIgnoreStart
if ($gzdata === false)
{
continue;
}
// @codeCoverageIgnoreEnd
// Set the encoding headers.
$this->setHeader('Content-Encoding', $encoding);
$this->setHeader('X-Content-Encoded-By', 'Joomla');
// Replace the output with the encoded data.
$this->setBody($gzdata);
// Compression complete, let's break out of the loop.
break;
}
}
}
/**
* Method to send the application response to the client. All headers will be sent prior to the main
* application output data.
*
* @return void
*
* @since 11.3
*/
protected function respond()
{
// Send the content-type header.
$this->setHeader('Content-Type', $this->mimeType . '; charset=' . $this->charSet);
// If the response is set to uncachable, we need to set some appropriate headers so browsers don't cache the response.
if (!$this->response->cachable)
{
// Expires in the past.
$this->setHeader('Expires', 'Mon, 1 Jan 2001 00:00:00 GMT', true);
// Always modified.
$this->setHeader('Last-Modified', gmdate('D, d M Y H:i:s') . ' GMT', true);
$this->setHeader('Cache-Control', 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0', false);
// HTTP 1.0
$this->setHeader('Pragma', 'no-cache');
}
else
{
// Expires.
$this->setHeader('Expires', gmdate('D, d M Y H:i:s', time() + 900) . ' GMT');
// Last modified.
if ($this->modifiedDate instanceof JDate)
{
$this->setHeader('Last-Modified', $this->modifiedDate->format('D, d M Y H:i:s'));
}
}
$this->sendHeaders();
echo $this->getBody();
}
/**
* Redirect to another URL.
*
* If the headers have not been sent the redirect will be accomplished using a "301 Moved Permanently"
* or "303 See Other" code in the header pointing to the new location. If the headers have already been
* sent this will be accomplished using a JavaScript statement.
*
* @param string $url The URL to redirect to. Can only be http/https URL
* @param boolean $moved True if the page is 301 Permanently Moved, otherwise 303 See Other is assumed.
*
* @return void
*
* @since 11.3
*/
public function redirect($url, $moved = false)
{
// Import library dependencies.
jimport('phputf8.utils.ascii');
// Check for relative internal links.
if (preg_match('#^index\.php#', $url))
{
$url = $this->get('uri.base.full') . $url;
}
// Perform a basic sanity check to make sure we don't have any CRLF garbage.
$url = preg_split("/[\r\n]/", $url);
$url = $url[0];
/*
* Here we need to check and see if the URL is relative or absolute. Essentially, do we need to
* prepend the URL with our base URL for a proper redirect. The rudimentary way we are looking
* at this is to simply check whether or not the URL string has a valid scheme or not.
*/
if (!preg_match('#^[a-z]+\://#i', $url))
{
// Get a JURI instance for the requested URI.
$uri = JURI::getInstance($this->get('uri.request'));
// Get a base URL to prepend from the requested URI.
$prefix = $uri->toString(array('scheme', 'user', 'pass', 'host', 'port'));
// We just need the prefix since we have a path relative to the root.
if ($url[0] == '/')
{
$url = $prefix . $url;
}
// It's relative to where we are now, so lets add that.
else
{
$parts = explode('/', $uri->toString(array('path')));
array_pop($parts);
$path = implode('/', $parts) . '/';
$url = $prefix . $path . $url;
}
}
// If the headers have already been sent we need to send the redirect statement via JavaScript.
if ($this->checkHeadersSent())
{
echo "<script>document.location.href='$url';</script>\n";
}
else
{
// We have to use a JavaScript redirect here because MSIE doesn't play nice with utf-8 URLs.
if (($this->client->engine == JWebClient::TRIDENT) && !utf8_is_ascii($url))
{
$html = '<html><head>';
$html .= '<meta http-equiv="content-type" content="text/html; charset=' . $this->charSet . '" />';
$html .= '<script>document.location.href=\'' . $url . '\';</script>';
$html .= '</head><body></body></html>';
echo $html;
}
/*
* For WebKit based browsers do not send a 303, as it causes subresource reloading. You can view the
* bug report at: https://bugs.webkit.org/show_bug.cgi?id=38690
*/
elseif (!$moved and ($this->client->engine == JWebClient::WEBKIT))
{
$html = '<html><head>';
$html .= '<meta http-equiv="refresh" content="0; url=' . $url . '" />';
$html .= '<meta http-equiv="content-type" content="text/html; charset=' . $this->charSet . '" />';
$html .= '</head><body></body></html>';
echo $html;
}
else
{
// All other cases use the more efficient HTTP header for redirection.
$this->header($moved ? 'HTTP/1.1 301 Moved Permanently' : 'HTTP/1.1 303 See other');
$this->header('Location: ' . $url);
$this->header('Content-Type: text/html; charset=' . $this->charSet);
}
}
// Close the application after the redirect.
$this->close();
}
/**
* Exit the application.
*
* @param integer $code The exit code (optional; default is 0).
*
* @return void
*
* @codeCoverageIgnore
* @since 11.3
*/
public function close($code = 0)
{
exit($code);
}
/**
* Load an object or array into the application configuration object.
*
* @param mixed $data Either an array or object to be loaded into the configuration object.
*
* @return JApplicationWeb Instance of $this to allow chaining.
*
* @since 11.3
*/
public function loadConfiguration($data)
{
// Load the data into the configuration object.
if (is_array($data))
{
$this->config->loadArray($data);
}
elseif (is_object($data))
{
$this->config->loadObject($data);
}
return $this;
}
/**
* Registers a handler to a particular event group.
*
* @param string $event The event name.
* @param callback $handler The handler, a function or an instance of a event object.
*
* @return JApplicationWeb Instance of $this to allow chaining.
*
* @since 11.3
*/
public function registerEvent($event, $handler)
{
if ($this->dispatcher instanceof JDispatcher)
{
$this->dispatcher->register($event, $handler);
}
return $this;
}
/**
* Calls all handlers associated with an event group.
*
* @param string $event The event name.
* @param array $args An array of arguments (optional).
*
* @return array An array of results from each function call, or null if no dispatcher is defined.
*
* @since 11.3
*/
public function triggerEvent($event, array $args = null)
{
if ($this->dispatcher instanceof JDispatcher)
{
return $this->dispatcher->trigger($event, $args);
}
return null;
}
/**
* Returns a property of the object or the default value if the property is not set.
*
* @param string $key The name of the property.
* @param mixed $default The default value (optional) if none is set.
*
* @return mixed The value of the configuration.
*
* @since 11.3
*/
public function get($key, $default = null)
{
return $this->config->get($key, $default);
}
/**
* Modifies a property of the object, creating it if it does not already exist.
*
* @param string $key The name of the property.
* @param mixed $value The value of the property to set (optional).
*
* @return mixed Previous value of the property
*
* @since 11.3
*/
public function set($key, $value = null)
{
$previous = $this->config->get($key);
$this->config->set($key, $value);
return $previous;
}
/**
* Set/get cachable state for the response. If $allow is set, sets the cachable state of the
* response. Always returns the current state.
*
* @param boolean $allow True to allow browser caching.
*
* @return boolean
*
* @since 11.3
*/
public function allowCache($allow = null)
{
if ($allow !== null)
{
$this->response->cachable = (bool) $allow;
}
return $this->response->cachable;
}
/**
* Method to set a response header. If the replace flag is set then all headers
* with the given name will be replaced by the new one. The headers are stored
* in an internal array to be sent when the site is sent to the browser.
*
* @param string $name The name of the header to set.
* @param string $value The value of the header to set.
* @param boolean $replace True to replace any headers with the same name.
*
* @return JApplicationWeb Instance of $this to allow chaining.
*
* @since 11.3
*/
public function setHeader($name, $value, $replace = false)
{
// Sanitize the input values.
$name = (string) $name;
$value = (string) $value;
// If the replace flag is set, unset all known headers with the given name.
if ($replace)
{
foreach ($this->response->headers as $key => $header)
{
if ($name == $header['name'])
{
unset($this->response->headers[$key]);
}
}
// Clean up the array as unsetting nested arrays leaves some junk.
$this->response->headers = array_values($this->response->headers);
}
// Add the header to the internal array.
$this->response->headers[] = array('name' => $name, 'value' => $value);
return $this;
}
/**
* Method to get the array of response headers to be sent when the response is sent
* to the client.
*
* @return array
*
* @since 11.3
*/
public function getHeaders()
{
return $this->response->headers;
}
/**
* Method to clear any set response headers.
*
* @return JApplicationWeb Instance of $this to allow chaining.
*
* @since 11.3
*/
public function clearHeaders()
{
$this->response->headers = array();
return $this;
}
/**
* Send the response headers.
*
* @return JApplicationWeb Instance of $this to allow chaining.
*
* @since 11.3
*/
public function sendHeaders()
{
if (!$this->checkHeadersSent())
{
foreach ($this->response->headers as $header)
{
if ('status' == strtolower($header['name']))
{
// 'status' headers indicate an HTTP status, and need to be handled slightly differently
$this->header(ucfirst(strtolower($header['name'])) . ': ' . $header['value'], null, (int) $header['value']);
}
else
{
$this->header($header['name'] . ': ' . $header['value']);
}
}
}
return $this;
}
/**
* Set body content. If body content already defined, this will replace it.
*
* @param string $content The content to set as the response body.
*
* @return JApplicationWeb Instance of $this to allow chaining.
*
* @since 11.3
*/
public function setBody($content)
{
$this->response->body = array((string) $content);
return $this;
}
/**
* Prepend content to the body content
*
* @param string $content The content to prepend to the response body.
*
* @return JApplicationWeb Instance of $this to allow chaining.
*
* @since 11.3
*/
public function prependBody($content)
{
array_unshift($this->response->body, (string) $content);
return $this;
}
/**
* Append content to the body content
*
* @param string $content The content to append to the response body.
*
* @return JApplicationWeb Instance of $this to allow chaining.
*
* @since 11.3
*/
public function appendBody($content)
{
array_push($this->response->body, (string) $content);
return $this;
}
/**
* Return the body content
*
* @param boolean $asArray True to return the body as an array of strings.
*
* @return mixed The response body either as an array or concatenated string.
*
* @since 11.3
*/
public function getBody($asArray = false)
{
return $asArray ? $this->response->body : implode((array) $this->response->body);
}
/**
* Method to get the application document object.
*
* @return JDocument The document object
*
* @since 11.3
*/
public function getDocument()
{
return $this->document;
}
/**
* Method to get the application language object.
*
* @return JLanguage The language object
*
* @since 11.3
*/
public function getLanguage()
{
return $this->language;
}
/**
* Method to get the application session object.
*
* @return JSession The session object
*
* @since 11.3
*/
public function getSession()
{
return $this->session;
}
/**
* Method to check the current client connnection status to ensure that it is alive. We are
* wrapping this to isolate the connection_status() function from our code base for testing reasons.
*
* @return boolean True if the connection is valid and normal.
*
* @codeCoverageIgnore
* @see connection_status()
* @since 11.3
*/
protected function checkConnectionAlive()
{
return (connection_status() === CONNECTION_NORMAL);
}
/**
* Method to check to see if headers have already been sent. We are wrapping this to isolate the
* headers_sent() function from our code base for testing reasons.
*
* @return boolean True if the headers have already been sent.
*
* @codeCoverageIgnore
* @see headers_sent()
* @since 11.3
*/
protected function checkHeadersSent()
{
return headers_sent();
}
/**
* Method to detect the requested URI from server environment variables.
*
* @return string The requested URI
*
* @since 11.3
*/
protected function detectRequestUri()
{
// Initialise variables.
$uri = '';
// First we need to detect the URI scheme.
if (isset($_SERVER['HTTPS']) && !empty($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS']) != 'off'))
{
$scheme = 'https://';
}
else
{
$scheme = 'http://';
}
/*
* There are some differences in the way that Apache and IIS populate server environment variables. To
* properly detect the requested URI we need to adjust our algorithm based on whether or not we are getting
* information from Apache or IIS.
*/
// If PHP_SELF and REQUEST_URI are both populated then we will assume "Apache Mode".
if (!empty($_SERVER['PHP_SELF']) && !empty($_SERVER['REQUEST_URI']))
{
// The URI is built from the HTTP_HOST and REQUEST_URI environment variables in an Apache environment.
$uri = $scheme . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
}
// If not in "Apache Mode" we will assume that we are in an IIS environment and proceed.
else
{
// IIS uses the SCRIPT_NAME variable instead of a REQUEST_URI variable... thanks, MS
$uri = $scheme . $_SERVER['HTTP_HOST'] . $_SERVER['SCRIPT_NAME'];
// If the QUERY_STRING variable exists append it to the URI string.
if (isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING']))
{
$uri .= '?' . $_SERVER['QUERY_STRING'];
}
}
return trim($uri);
}
/**
* Method to load a PHP configuration class file based on convention and return the instantiated data object. You
* will extend this method in child classes to provide configuration data from whatever data source is relevant
* for your specific application.
*
* @param string $file The path and filename of the configuration file. If not provided, configuration.php
* in JPATH_BASE will be used.
* @param string $class The class name to instantiate.
*
* @return mixed Either an array or object to be loaded into the configuration object.
*
* @since 11.3
*/
protected function fetchConfigurationData($file = '', $class = 'JConfig')
{
// Instantiate variables.
$config = array();
if (empty($file) && defined('JPATH_BASE'))
{
$file = JPATH_BASE . '/configuration.php';
// Applications can choose not to have any configuration data
// by not implementing this method and not having a config file.
if (!file_exists($file))
{
$file = '';
}
}
if (!empty($file))
{
JLoader::register($class, $file);
if (class_exists($class))
{
$config = new $class;
}
else
{
throw new RuntimeException('Configuration class does not exist.');
}
}
return $config;
}
/**
* Method to send a header to the client. We are wrapping this to isolate the header() function
* from our code base for testing reasons.
*
* @param string $string The header string.
* @param boolean $replace The optional replace parameter indicates whether the header should
* replace a previous similar header, or add a second header of the same type.
* @param integer $code Forces the HTTP response code to the specified value. Note that
* this parameter only has an effect if the string is not empty.
*
* @return void
*
* @codeCoverageIgnore
* @see header()
* @since 11.3
*/
protected function header($string, $replace = true, $code = null)
{
header($string, $replace, $code);
}
/**
* Method to create an event dispatcher for the Web application. The logic and options for creating
* this object are adequately generic for default cases but for many applications it will make sense
* to override this method and create event dispatchers based on more specific needs.
*
* @return void
*
* @since 11.3
*/
protected function loadDispatcher()
{
$this->dispatcher = JDispatcher::getInstance();
}
/**
* Method to create a document for the Web application. The logic and options for creating this
* object are adequately generic for default cases but for many applications it will make sense
* to override this method and create document objects based on more specific needs.
*
* @return void
*
* @since 11.3
*/
protected function loadDocument()
{
$this->document = JFactory::getDocument();
}
/**
* Method to create a language for the Web application. The logic and options for creating this
* object are adequately generic for default cases but for many applications it will make sense
* to override this method and create language objects based on more specific needs.
*
* @return void
*
* @since 11.3
*/
protected function loadLanguage()
{
$this->language = JFactory::getLanguage();
}
/**
* Method to create a session for the Web application. The logic and options for creating this
* object are adequately generic for default cases but for many applications it will make sense
* to override this method and create session objects based on more specific needs.
*
* @return void
*
* @since 11.3
*/
protected function loadSession()
{
// Generate a session name.
$name = md5($this->get('secret') . $this->get('session_name', get_class($this)));
// Calculate the session lifetime.
$lifetime = (($this->get('sess_lifetime')) ? $this->get('sess_lifetime') * 60 : 900);
// Get the session handler from the configuration.
$handler = $this->get('sess_handler', 'none');
// Initialize the options for JSession.
$options = array(
'name' => $name,
'expire' => $lifetime,
'force_ssl' => $this->get('force_ssl')
);
// Instantiate the session object.
$session = JSession::getInstance($handler, $options);
if ($session->getState() == 'expired')
{
$session->restart();
}
// If the session is new, load the user and registry objects.
if ($session->isNew())
{
$session->set('registry', new JRegistry);
$session->set('user', new JUser);
}
// Set the session object.
$this->session = $session;
}
/**
* Method to load the system URI strings for the application.
*
* @param string $requestUri An optional request URI to use instead of detecting one from the
* server environment variables.
*
* @return void
*
* @since 11.3
*/
protected function loadSystemUris($requestUri = null)
{
// Set the request URI.
// @codeCoverageIgnoreStart
if (!empty($requestUri))
{
$this->set('uri.request', $requestUri);
}
else
{
$this->set('uri.request', $this->detectRequestUri());
}
// @codeCoverageIgnoreEnd
// Check to see if an explicit site URI has been set.
$siteUri = trim($this->get('site_uri'));
if ($siteUri != '')
{
$uri = JUri::getInstance($siteUri);
}
// No explicit site URI was set so use the system one.
else
{
$uri = JUri::getInstance($this->get('uri.request'));
}
// Get the host and path from the URI.
$host = $uri->toString(array('scheme', 'user', 'pass', 'host', 'port'));
$path = rtrim($uri->toString(array('path')), '/\\');
// Set the base URI both as just a path and as the full URI.
$this->set('uri.base.full', $host . $path . '/');
$this->set('uri.base.host', $host);
$this->set('uri.base.path', $path . '/');
// Get an explicitly set media URI is present.
$mediaURI = trim($this->get('media_uri'));
if ($mediaURI)
{
if (strpos($mediaURI, '://') !== false)
{
$this->set('uri.media.full', $mediaURI);
$this->set('uri.media.path', $mediaURI);
}
else
{
$this->set('uri.media.full', $this->get('uri.base.host') . $mediaURI);
$this->set('uri.media.path', $mediaURI);
}
}
// No explicit media URI was set, build it dynamically from the base uri.
else
{
$this->set('uri.media.full', $this->get('uri.base.full') . 'media/');
$this->set('uri.media.path', $this->get('uri.base.path') . 'media/');
}
}
}
/**
* Deprecated class placeholder. You should use JApplicationWeb instead.
*
* @package Joomla.Platform
* @subpackage Application
* @since 11.3
* @deprecated 12.3
*/
class JWeb extends JApplicationWeb
{
}