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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2005 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Document;
use Joomla\Application\AbstractWebApplication;
use Joomla\CMS\Date\Date;
use Joomla\CMS\Factory as CmsFactory;
use Joomla\CMS\WebAsset\WebAssetManager;
use Symfony\Component\WebLink\HttpHeaderSerializer;
// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Document class, provides an easy interface to parse and display a document
*
* @since 1.7.0
*/
class Document
{
/**
* Document title
*
* @var string
* @since 1.7.0
*/
public $title = '';
/**
* Document description
*
* @var string
* @since 1.7.0
*/
public $description = '';
/**
* Document full URL
*
* @var string
* @since 1.7.0
*/
public $link = '';
/**
* Document base URL
*
* @var string
* @since 1.7.0
*/
public $base = '';
/**
* Contains the document language setting
*
* @var string
* @since 1.7.0
*/
public $language = 'en-gb';
/**
* Contains the document direction setting
*
* @var string
* @since 1.7.0
*/
public $direction = 'ltr';
/**
* Document generator
*
* @var string
* @since 1.7.0
*/
public $_generator = 'Joomla! - Open Source Content Management';
/**
* Document modified date
*
* @var string|Date
* @since 1.7.0
*/
public $_mdate = '';
/**
* Tab string
*
* @var string
* @since 1.7.0
*/
public $_tab = "\11";
/**
* Contains the line end string
*
* @var string
* @since 1.7.0
*/
public $_lineEnd = "\12";
/**
* Contains the character encoding string
*
* @var string
* @since 1.7.0
*/
public $_charset = 'utf-8';
/**
* Document mime type
*
* @var string
* @since 1.7.0
*/
public $_mime = '';
/**
* Document namespace
*
* @var string
* @since 1.7.0
*/
public $_namespace = '';
/**
* Document profile
*
* @var string
* @since 1.7.0
*/
public $_profile = '';
/**
* Array of linked scripts
*
* @var array
* @since 1.7.0
*
* @deprecated 4.3 will be removed in 6.0
* Use WebAssetManager
*/
public $_scripts = [];
/**
* Array of scripts placed in the header
*
* @var array
* @since 1.7.0
*
* @deprecated 4.3 will be removed in 6.0
* Use WebAssetManager
*/
public $_script = [];
/**
* Array of scripts options
*
* @var array
*/
protected $scriptOptions = [];
/**
* Array of linked style sheets
*
* @var array
* @since 1.7.0
*
* @deprecated 4.3 will be removed in 6.0
* Use WebAssetManager
*/
public $_styleSheets = [];
/**
* Array of included style declarations
*
* @var array
* @since 1.7.0
*
* @deprecated 4.3 will be removed in 6.0
* Use WebAssetManager
*/
public $_style = [];
/**
* Array of meta tags
*
* @var array
* @since 1.7.0
*/
public $_metaTags = [];
/**
* The rendering engine
*
* @var object
* @since 1.7.0
*/
public $_engine = null;
/**
* The document type
*
* @var string
* @since 1.7.0
*/
public $_type = null;
/**
* Array of buffered output
*
* @var mixed (depends on the renderer)
* @since 1.7.0
*/
public static $_buffer = null;
/**
* Document instances container.
*
* @var array
* @since 1.7.3
*/
protected static $instances = [];
/**
* Media version added to assets
*
* @var string
* @since 3.2
*/
protected $mediaVersion = null;
/**
* Factory for creating JDocument API objects
*
* @var FactoryInterface
* @since 4.0.0
*/
protected $factory;
/**
* Preload manager
*
* @var PreloadManagerInterface
* @since 4.0.0
*/
protected $preloadManager = null;
/**
* The supported preload types
*
* @var array
* @since 4.0.0
*/
protected $preloadTypes = ['preload', 'dns-prefetch', 'preconnect', 'prefetch', 'prerender'];
/**
* Web Asset instance
*
* @var WebAssetManager
* @since 4.0.0
*/
protected $webAssetManager = null;
/**
* Class constructor.
*
* @param array $options Associative array of options
*
* @since 1.7.0
*/
public function __construct($options = [])
{
if (\array_key_exists('lineend', $options)) {
$this->setLineEnd($options['lineend']);
}
if (\array_key_exists('charset', $options)) {
$this->setCharset($options['charset']);
}
if (\array_key_exists('language', $options)) {
$this->setLanguage($options['language']);
}
if (\array_key_exists('direction', $options)) {
$this->setDirection($options['direction']);
}
if (\array_key_exists('tab', $options)) {
$this->setTab($options['tab']);
}
if (\array_key_exists('link', $options)) {
$this->setLink($options['link']);
}
if (\array_key_exists('base', $options)) {
$this->setBase($options['base']);
}
if (\array_key_exists('mediaversion', $options)) {
$this->setMediaVersion($options['mediaversion']);
}
if (\array_key_exists('factory', $options)) {
$this->setFactory($options['factory']);
} else {
$this->setFactory(new Factory());
}
if (\array_key_exists('preloadManager', $options)) {
$this->setPreloadManager($options['preloadManager']);
} else {
$this->setPreloadManager(new PreloadManager());
}
if (\array_key_exists('webAssetManager', $options)) {
$this->setWebAssetManager($options['webAssetManager']);
} else {
$webAssetManager = new WebAssetManager(\Joomla\CMS\Factory::getContainer()->get('webassetregistry'));
$this->setWebAssetManager($webAssetManager);
}
}
/**
* Returns the global Document object, only creating it
* if it doesn't already exist.
*
* @param string $type The document type to instantiate
* @param array $attributes Array of attributes
*
* @return static The document object.
*
* @since 1.7.0
*
* @deprecated 4.3 will be removed in 6.0
* Use the \Joomla\CMS\Document\FactoryInterface instead
* Example: Factory::getApplication()->getDocument();
*/
public static function getInstance($type = 'html', $attributes = [])
{
$signature = serialize([$type, $attributes]);
if (empty(self::$instances[$signature])) {
self::$instances[$signature] = CmsFactory::getContainer()->get(FactoryInterface::class)->createDocument($type, $attributes);
}
return self::$instances[$signature];
}
/**
* Set the factory instance
*
* @param FactoryInterface $factory The factory instance
*
* @return Document
*
* @since 4.0.0
*/
public function setFactory(FactoryInterface $factory): self
{
$this->factory = $factory;
return $this;
}
/**
* Set the document type
*
* @param string $type Type document is to set to
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setType($type)
{
$this->_type = $type;
return $this;
}
/**
* Returns the document type
*
* @return string
*
* @since 1.7.0
*/
public function getType()
{
return $this->_type;
}
/**
* Get the contents of the document buffer
*
* @return mixed
*
* @since 1.7.0
*/
public function getBuffer()
{
return self::$_buffer;
}
/**
* Set the contents of the document buffer
*
* @param string $content The content to be set in the buffer.
* @param array $options Array of optional elements.
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setBuffer($content, $options = [])
{
self::$_buffer = $content;
return $this;
}
/**
* Gets a meta tag.
*
* @param string $name Name of the meta HTML tag
* @param string $attribute Attribute to use in the meta HTML tag
*
* @return string
*
* @since 1.7.0
*/
public function getMetaData($name, $attribute = 'name')
{
// B/C old http_equiv parameter.
if (!\is_string($attribute)) {
$attribute = $attribute == true ? 'http-equiv' : 'name';
}
if ($name === 'generator') {
$result = $this->getGenerator();
} elseif ($name === 'description') {
$result = $this->getDescription();
} else {
$result = isset($this->_metaTags[$attribute]) && isset($this->_metaTags[$attribute][$name]) ? $this->_metaTags[$attribute][$name] : '';
}
return $result;
}
/**
* Sets or alters a meta tag.
*
* @param string $name Name of the meta HTML tag
* @param mixed $content Value of the meta HTML tag as array or string
* @param string $attribute Attribute to use in the meta HTML tag
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setMetaData($name, $content, $attribute = 'name')
{
// Pop the element off the end of array if target function expects a string or this http_equiv parameter.
if (\is_array($content) && (\in_array($name, ['generator', 'description']) || !\is_string($attribute))) {
$content = array_pop($content);
}
// B/C old http_equiv parameter.
if (!\is_string($attribute)) {
$attribute = $attribute == true ? 'http-equiv' : 'name';
}
if ($name === 'generator') {
$this->setGenerator($content);
} elseif ($name === 'description') {
$this->setDescription($content);
} else {
$this->_metaTags[$attribute][$name] = $content;
}
return $this;
}
/**
* Adds a linked script to the page
*
* @param string $url URL to the linked script.
* @param array $options Array of options. Example: array('version' => 'auto', 'conditional' => 'lt IE 9', 'preload' => array('preload'))
* @param array $attribs Array of attributes. Example: array('id' => 'scriptid', 'async' => 'async', 'data-test' => 1)
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*
* @deprecated 4.3 will be removed in 6.0
* Use WebAssetManager
* Example: $wa->registerAndUseScript(...);
*/
public function addScript($url, $options = [], $attribs = [])
{
// Default value for type.
if (!isset($attribs['type']) && !isset($attribs['mime'])) {
$attribs['type'] = 'text/javascript';
}
$this->_scripts[$url] = isset($this->_scripts[$url]) ? array_replace($this->_scripts[$url], $attribs) : $attribs;
$this->_scripts[$url]['options'] = isset($this->_scripts[$url]['options']) ? array_replace($this->_scripts[$url]['options'], $options) : $options;
return $this;
}
/**
* Adds a script to the page
*
* @param string $content Script
* @param string $type Scripting mime (defaults to 'text/javascript')
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*
* @deprecated 4.3 will be removed in 6.0
* Use WebAssetManager
* Example: $wa->addInlineScript(...);
*/
public function addScriptDeclaration($content, $type = 'text/javascript')
{
$type = strtolower($type);
if (empty($this->_script[$type])) {
$this->_script[$type] = [];
}
$this->_script[$type][md5($content)] = $content;
return $this;
}
/**
* Add option for script
*
* @param string $key Name in Storage
* @param mixed $options Scrip options as array or string
* @param bool $merge Whether merge with existing (true) or replace (false)
*
* @return Document instance of $this to allow chaining
*
* @since 3.5
*/
public function addScriptOptions($key, $options, $merge = true)
{
if (empty($this->scriptOptions[$key])) {
$this->scriptOptions[$key] = [];
}
if ($merge && \is_array($options)) {
$this->scriptOptions[$key] = array_replace_recursive($this->scriptOptions[$key], $options);
} else {
$this->scriptOptions[$key] = $options;
}
return $this;
}
/**
* Get script(s) options
*
* @param string $key Name in Storage
*
* @return array Options for given $key, or all script options
*
* @since 3.5
*/
public function getScriptOptions($key = null)
{
if ($key) {
return (empty($this->scriptOptions[$key])) ? [] : $this->scriptOptions[$key];
} else {
return $this->scriptOptions;
}
}
/**
* Adds a linked stylesheet to the page
*
* @param string $url URL to the linked style sheet
* @param array $options Array of options. Example: array('version' => 'auto', 'conditional' => 'lt IE 9', 'preload' => array('preload'))
* @param array $attribs Array of attributes. Example: array('id' => 'stylesheet', 'data-test' => 1)
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*
* @deprecated 4.3 will be removed in 6.0
* Use WebAssetManager
* Example: $wa->registerAndUseStyle(...);
*/
public function addStyleSheet($url, $options = [], $attribs = [])
{
// Default value for type.
if (!isset($attribs['type']) && !isset($attribs['mime'])) {
$attribs['type'] = 'text/css';
}
$this->_styleSheets[$url] = isset($this->_styleSheets[$url]) ? array_replace($this->_styleSheets[$url], $attribs) : $attribs;
if (isset($this->_styleSheets[$url]['options'])) {
$this->_styleSheets[$url]['options'] = array_replace($this->_styleSheets[$url]['options'], $options);
} else {
$this->_styleSheets[$url]['options'] = $options;
}
return $this;
}
/**
* Adds a stylesheet declaration to the page
*
* @param string $content Style declarations
* @param string $type Type of stylesheet (defaults to 'text/css')
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*
* @deprecated 4.3 will be removed in 6.0
* Use WebAssetManager
* Example: $wa->addInlineStyle(...);
*/
public function addStyleDeclaration($content, $type = 'text/css')
{
if ($content === null) {
return $this;
}
$type = strtolower($type);
if (empty($this->_style[$type])) {
$this->_style[$type] = [];
}
$this->_style[$type][md5($content)] = $content;
return $this;
}
/**
* Sets the document charset
*
* @param string $type Charset encoding string
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setCharset($type = 'utf-8')
{
$this->_charset = $type;
return $this;
}
/**
* Returns the document charset encoding.
*
* @return string
*
* @since 1.7.0
*/
public function getCharset()
{
return $this->_charset;
}
/**
* Sets the global document language declaration. Default is English (en-gb).
*
* @param string $lang The language to be set
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setLanguage($lang = 'en-gb')
{
$this->language = strtolower($lang);
return $this;
}
/**
* Returns the document language.
*
* @return string
*
* @since 1.7.0
*/
public function getLanguage()
{
return $this->language;
}
/**
* Sets the global document direction declaration. Default is left-to-right (ltr).
*
* @param string $dir The language direction to be set
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setDirection($dir = 'ltr')
{
$this->direction = strtolower($dir);
return $this;
}
/**
* Returns the document direction declaration.
*
* @return string
*
* @since 1.7.0
*/
public function getDirection()
{
return $this->direction;
}
/**
* Sets the title of the document
*
* @param string $title The title to be set
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setTitle($title)
{
$this->title = $title;
return $this;
}
/**
* Return the title of the document.
*
* @return string
*
* @since 1.7.0
*/
public function getTitle()
{
return $this->title;
}
/**
* Set the assets version
*
* @param string $mediaVersion Media version to use
*
* @return Document instance of $this to allow chaining
*
* @since 3.2
*/
public function setMediaVersion($mediaVersion)
{
$this->mediaVersion = strtolower($mediaVersion);
return $this;
}
/**
* Return the media version
*
* @return string
*
* @since 3.2
*/
public function getMediaVersion()
{
return $this->mediaVersion;
}
/**
* Set the preload manager
*
* @param PreloadManagerInterface $preloadManager The preload manager service
*
* @return Document instance of $this to allow chaining
*
* @since 4.0.0
*/
public function setPreloadManager(PreloadManagerInterface $preloadManager): self
{
$this->preloadManager = $preloadManager;
return $this;
}
/**
* Return the preload manager
*
* @return PreloadManagerInterface
*
* @since 4.0.0
*/
public function getPreloadManager(): PreloadManagerInterface
{
return $this->preloadManager;
}
/**
* Set WebAsset manager
*
* @param WebAssetManager $webAsset The WebAsset instance
*
* @return Document
*
* @since 4.0.0
*/
public function setWebAssetManager(WebAssetManager $webAsset): self
{
$this->webAssetManager = $webAsset;
return $this;
}
/**
* Return WebAsset manager
*
* @return WebAssetManager
*
* @since 4.0.0
*/
public function getWebAssetManager(): WebAssetManager
{
return $this->webAssetManager;
}
/**
* Sets the base URI of the document
*
* @param string $base The base URI to be set
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setBase($base)
{
$this->base = $base;
return $this;
}
/**
* Return the base URI of the document.
*
* @return string
*
* @since 1.7.0
*/
public function getBase()
{
return $this->base;
}
/**
* Sets the description of the document
*
* @param string $description The description to set
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setDescription($description)
{
$this->description = $description;
return $this;
}
/**
* Return the description of the document.
*
* @return string
*
* @since 1.7.0
*/
public function getDescription()
{
return $this->description;
}
/**
* Sets the document link
*
* @param string $url A url
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setLink($url)
{
$this->link = $url;
return $this;
}
/**
* Returns the document base url
*
* @return string
*
* @since 1.7.0
*/
public function getLink()
{
return $this->link;
}
/**
* Sets the document generator
*
* @param string $generator The generator to be set
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setGenerator($generator)
{
$this->_generator = $generator;
return $this;
}
/**
* Returns the document generator
*
* @return string
*
* @since 1.7.0
*/
public function getGenerator()
{
return $this->_generator;
}
/**
* Sets the document modified date
*
* @param string|Date $date The date to be set
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
* @throws \InvalidArgumentException
*/
public function setModifiedDate($date)
{
if (!\is_string($date) && !($date instanceof Date)) {
throw new \InvalidArgumentException(
sprintf(
'The $date parameter of %1$s must be a string or a %2$s instance, a %3$s was given.',
__METHOD__ . '()',
'Joomla\\CMS\\Date\\Date',
\gettype($date) === 'object' ? (\get_class($date) . ' instance') : \gettype($date)
)
);
}
$this->_mdate = $date;
return $this;
}
/**
* Returns the document modified date
*
* @return string|Date
*
* @since 1.7.0
*/
public function getModifiedDate()
{
return $this->_mdate;
}
/**
* Sets the document MIME encoding that is sent to the browser.
*
* This usually will be text/html because most browsers cannot yet
* accept the proper mime settings for XHTML: application/xhtml+xml
* and to a lesser extent application/xml and text/xml. See the W3C note
* ({@link https://www.w3.org/TR/xhtml-media-types/
* https://www.w3.org/TR/xhtml-media-types/}) for more details.
*
* @param string $type The document type to be sent
* @param boolean $sync Should the type be synced with HTML?
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*
* @link https://www.w3.org/TR/xhtml-media-types/
*/
public function setMimeEncoding($type = 'text/html', $sync = true)
{
$this->_mime = strtolower($type);
// Syncing with metadata
if ($sync) {
$this->setMetaData('content-type', $type . '; charset=' . $this->_charset, true);
}
return $this;
}
/**
* Return the document MIME encoding that is sent to the browser.
*
* @return string
*
* @since 1.7.0
*/
public function getMimeEncoding()
{
return $this->_mime;
}
/**
* Sets the line end style to Windows, Mac, Unix or a custom string.
*
* @param string $style "win", "mac", "unix" or custom string.
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setLineEnd($style)
{
switch ($style) {
case 'win':
$this->_lineEnd = "\15\12";
break;
case 'unix':
$this->_lineEnd = "\12";
break;
case 'mac':
$this->_lineEnd = "\15";
break;
default:
$this->_lineEnd = $style;
}
return $this;
}
/**
* Returns the lineEnd
*
* @return string
*
* @since 1.7.0
*/
public function _getLineEnd()
{
return $this->_lineEnd;
}
/**
* Sets the string used to indent HTML
*
* @param string $string String used to indent ("\11", "\t", ' ', etc.).
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function setTab($string)
{
$this->_tab = $string;
return $this;
}
/**
* Returns a string containing the unit for indenting HTML
*
* @return string
*
* @since 1.7.0
*/
public function _getTab()
{
return $this->_tab;
}
/**
* Load a renderer
*
* @param string $type The renderer type
*
* @return RendererInterface
*
* @since 1.7.0
* @throws \RuntimeException
*/
public function loadRenderer($type)
{
return $this->factory->createRenderer($this, $type);
}
/**
* Parses the document and prepares the buffers
*
* @param array $params The array of parameters
*
* @return Document instance of $this to allow chaining
*
* @since 1.7.0
*/
public function parse($params = [])
{
return $this;
}
/**
* Outputs the document
*
* @param boolean $cache If true, cache the output
* @param array $params Associative array of attributes
*
* @return string The rendered data
*
* @since 1.7.0
*/
public function render($cache = false, $params = [])
{
$app = CmsFactory::getApplication();
if ($mdate = $this->getModifiedDate()) {
if (!($mdate instanceof Date)) {
$mdate = new Date($mdate);
}
$app->modifiedDate = $mdate;
}
$app->mimeType = $this->_mime;
$app->charSet = $this->_charset;
// Handle preloading for configured assets in web applications
if ($app instanceof AbstractWebApplication) {
$this->preloadAssets();
}
return '';
}
/**
* Generate the Link header for assets configured for preloading
*
* @return void
*
* @since 4.0.0
*/
protected function preloadAssets()
{
// Process stylesheets first
foreach ($this->_styleSheets as $link => $properties) {
if (empty($properties['options']['preload'])) {
continue;
}
foreach ($properties['options']['preload'] as $preloadMethod) {
// Make sure the preload method is supported, special case for `dns-prefetch` to convert it to the right method name
if ($preloadMethod === 'dns-prefetch') {
$this->getPreloadManager()->dnsPrefetch($link);
} elseif (\in_array($preloadMethod, $this->preloadTypes)) {
$this->getPreloadManager()->$preloadMethod($link);
} else {
throw new \InvalidArgumentException(sprintf('The "%s" method is not supported for preloading.', $preloadMethod), 500);
}
}
}
// Now process scripts
foreach ($this->_scripts as $link => $properties) {
if (empty($properties['options']['preload'])) {
continue;
}
foreach ($properties['options']['preload'] as $preloadMethod) {
// Make sure the preload method is supported, special case for `dns-prefetch` to convert it to the right method name
if ($preloadMethod === 'dns-prefetch') {
$this->getPreloadManager()->dnsPrefetch($link);
} elseif (\in_array($preloadMethod, $this->preloadTypes)) {
$this->getPreloadManager()->$preloadMethod($link);
} else {
throw new \InvalidArgumentException(sprintf('The "%s" method is not supported for preloading.', $preloadMethod), 500);
}
}
}
// Check if the manager's provider has links, if so add the Link header
if ($links = $this->getPreloadManager()->getLinkProvider()->getLinks()) {
CmsFactory::getApplication()->setHeader('Link', (new HttpHeaderSerializer())->serialize($links));
}
}
}