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<?php |
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namespace CloudControl\Cms\components; |
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use CloudControl\Cms\cc\Request; |
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use CloudControl\Cms\storage\Storage; |
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class LanguageComponent implements Component |
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{ |
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const SESSION_PARAMETER_LANGUAGE = 'language'; |
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const SESSION_PARAMETER_DETECTED_LANGUAGE = 'detectedLanguage'; |
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const SESSION_PARAMETER_LANGUAGE_COMPONENT = 'LanguageComponent'; |
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const HTTP_ACCEPT_LANGUAGE = 'HTTP_ACCEPT_LANGUAGE'; |
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const PARAMETER_DEFAULT_LANGUAGE = 'defaultLanguage'; |
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const PARAMETER_ACCEPTED_LANGUAGES = 'acceptedLanguages'; |
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const PARAMETER_LANGUAGE_PARAMETER_NAME = 'languageParameterName'; |
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const PARAMETER_FORCE_REDIRECT = 'forceRedirect'; |
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protected $request; |
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protected $parameters; |
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public static $DEFAULT_LANGUAGE = 'en'; |
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protected $acceptedLanguages; |
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protected $languageParameterName = self::SESSION_PARAMETER_LANGUAGE; |
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protected $forceRedirect = false; |
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protected $sessionValues; |
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/** |
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* Component constructor. |
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* |
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* @param $template |
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* @param Request $request |
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* @param $parameters |
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* @param $matchedSitemapItem |
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*/ |
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public function __construct($template, Request $request, $parameters, $matchedSitemapItem) |
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{ |
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$this->parameters = (array)$parameters; |
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$this->checkParameters(); |
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$lang = substr(isset($_SERVER[self::HTTP_ACCEPT_LANGUAGE]) ? $_SERVER[self::HTTP_ACCEPT_LANGUAGE] : self::$DEFAULT_LANGUAGE, |
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0, 2); |
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$_SESSION[self::SESSION_PARAMETER_LANGUAGE_COMPONENT][self::SESSION_PARAMETER_DETECTED_LANGUAGE] = $lang; |
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$this->checkLanguageSwitch($request); |
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if (!isset($_SESSION[self::SESSION_PARAMETER_LANGUAGE_COMPONENT][$this->languageParameterName])) { |
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$this->detectLanguage($lang, $request); |
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} else { |
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if ($this->forceRedirect === true) { |
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$this->detectLanguage($_SESSION[self::SESSION_PARAMETER_LANGUAGE_COMPONENT][self::SESSION_PARAMETER_LANGUAGE], |
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$request); |
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} |
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} |
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$this->parameters[$this->languageParameterName] = $_SESSION[self::SESSION_PARAMETER_LANGUAGE_COMPONENT][self::SESSION_PARAMETER_LANGUAGE]; |
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} |
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/** |
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* Checks to see if any parameters are given from the configuration in the CMS |
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*/ |
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protected function checkParameters() |
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{ |
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if (isset($this->parameters[self::PARAMETER_DEFAULT_LANGUAGE])) { |
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self::$DEFAULT_LANGUAGE = $this->parameters[self::PARAMETER_DEFAULT_LANGUAGE]; |
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unset($this->parameters[self::PARAMETER_DEFAULT_LANGUAGE]); |
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} |
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if (isset($this->parameters[self::PARAMETER_ACCEPTED_LANGUAGES])) { |
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$this->acceptedLanguages = explode(',', $this->parameters[self::PARAMETER_ACCEPTED_LANGUAGES]); |
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unset($this->parameters[self::PARAMETER_ACCEPTED_LANGUAGES]); |
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} |
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if (isset($this->parameters[self::PARAMETER_LANGUAGE_PARAMETER_NAME])) { |
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$this->languageParameterName = $this->parameters[self::PARAMETER_LANGUAGE_PARAMETER_NAME]; |
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unset($this->parameters[self::PARAMETER_LANGUAGE_PARAMETER_NAME]); |
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} |
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if (isset($this->parameters[self::PARAMETER_FORCE_REDIRECT])) { |
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$this->forceRedirect = (bool)$this->parameters[self::PARAMETER_FORCE_REDIRECT]; |
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unset($this->parameters[self::PARAMETER_FORCE_REDIRECT]); |
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} |
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} |
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/** |
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* @return array |
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*/ |
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public function getParameters() |
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{ |
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return $this->parameters; |
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} |
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/** |
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* Check if the found language is allowed and |
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* if an action is to be taken. |
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* |
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* @param $lang |
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* @param Request $request |
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*/ |
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protected function detectLanguage($lang, $request) |
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{ |
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$lang = $this->setLanguagInSession($lang); |
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$this->sessionValues = $_SESSION[self::SESSION_PARAMETER_LANGUAGE_COMPONENT]; |
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$this->checkForceRedirect($lang, $request); |
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} |
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/** |
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* Detect if the language is switched manually |
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* |
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* @param Request $request |
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*/ |
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protected function checkLanguageSwitch($request) |
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{ |
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if (isset($request::$get['langSwitch'])) { |
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$this->forceRedirect = true; |
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$this->detectLanguage($request::$get['langSwitch'], $request); |
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} |
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} |
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public function render() |
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{ |
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} |
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public function get() |
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{ |
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} |
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/** |
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* @param Storage $storage |
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*/ |
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public function run(Storage $storage) |
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{ |
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// To be implemented |
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} |
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/** |
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* @param $lang |
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* @param $request |
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*/ |
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protected function checkForceRedirect($lang, $request) |
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{ |
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if ($this->forceRedirect === true && !CmsComponent::isCmsLoggedIn()) { |
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if (substr($request::$relativeUri, 0, 2) !== $lang) { |
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if ($lang !== self::$DEFAULT_LANGUAGE) { |
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$redirectUrl = $request::$subfolders . $lang . '/' . $request::$relativeUri; |
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if (!empty($request::$queryString)) { |
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$redirectUrl .= '?' . $request::$queryString; |
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} |
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header('Location: ' . $redirectUrl); |
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exit; |
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} |
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} |
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} |
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} |
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/** |
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* @param $lang |
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* @return string |
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*/ |
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protected function setLanguagInSession($lang) |
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{ |
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$_SESSION[self::SESSION_PARAMETER_LANGUAGE_COMPONENT][self::SESSION_PARAMETER_LANGUAGE] = self::$DEFAULT_LANGUAGE; |
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if ($this->acceptedLanguages === null) { |
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$_SESSION[self::SESSION_PARAMETER_LANGUAGE_COMPONENT][self::SESSION_PARAMETER_LANGUAGE] = $lang; |
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} elseif (in_array($lang, $this->acceptedLanguages)) { |
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$_SESSION[self::SESSION_PARAMETER_LANGUAGE_COMPONENT][self::SESSION_PARAMETER_LANGUAGE] = $lang; |
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} else { |
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$lang = self::$DEFAULT_LANGUAGE; |
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} |
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return $lang; |
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} |
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} |
jenskooij /
cloudcontrol
