PHP Director::redirected_to方法代码示例

 /**
  * Get all content as a javascript-compatible string (only if there is an Ajax-Request present).
  * Falls back to {non_ajax_content}, {redirect_url} or Director::redirectBack() (in this order).
  * 
  * @return string
  */
 static function respond()
 {
     // we don't want non-ajax calls to receive javascript
     if (isset($_REQUEST['forcehtml'])) {
         return self::$non_ajax_content;
     } else {
         if (isset($_REQUEST['forceajax']) || Director::is_ajax()) {
             // TODO figure out a way to stay backwards-compatible with Ajax.Evaluator and still use the automatic evaluating of Prototype
             //header("Content-type: text/javascript");
             return self::get_javascript();
         } elseif (!empty(self::$non_ajax_content)) {
             return self::$non_ajax_content;
         } elseif (!empty(self::$redirect_url)) {
             Director::redirect(self::$redirect_url);
             return null;
         } elseif (!Director::redirected_to()) {
             Director::redirectBack();
             return null;
         } else {
             return null;
         }
     }
 }

 /**
  * Get all content as a javascript-compatible string (only if there is an Ajax-Request present).
  * Falls back to {non_ajax_content}, {redirect_url} or Director::redirectBack() (in this order).
  * 
  * @return string
  */
 static function respond()
 {
     // we don't want non-ajax calls to receive javascript
     if (isset($_REQUEST['forcehtml'])) {
         return self::$non_ajax_content;
     } else {
         if (isset($_REQUEST['forceajax']) || Director::is_ajax()) {
             $response = Controller::curr()->getResponse();
             $response->addHeader('Content-Type', 'text/javascript');
             return self::get_javascript();
         } elseif (!empty(self::$non_ajax_content)) {
             return self::$non_ajax_content;
         } elseif (!empty(self::$redirect_url)) {
             Director::redirect(self::$redirect_url);
             return null;
         } elseif (!Director::redirected_to()) {
             Director::redirectBack();
             return null;
         } else {
             return null;
         }
     }
 }

 /**
  * @uses LeftAndMainDecorator->init()
  * @uses LeftAndMainDecorator->accessedCMS()
  * @uses CMSMenu
  */
 function init()
 {
     parent::init();
     SSViewer::setOption('rewriteHashlinks', false);
     // set language
     $member = Member::currentUser();
     if (!empty($member->Locale)) {
         i18n::set_locale($member->Locale);
     }
     if (!empty($member->DateFormat)) {
         i18n::set_date_format($member->DateFormat);
     }
     if (!empty($member->TimeFormat)) {
         i18n::set_time_format($member->TimeFormat);
     }
     // can't be done in cms/_config.php as locale is not set yet
     CMSMenu::add_link('Help', _t('LeftAndMain.HELP', 'Help', PR_HIGH, 'Menu title'), self::$help_link);
     // set reading lang
     if (Object::has_extension('SiteTree', 'Translatable') && !$this->isAjax()) {
         Translatable::choose_site_locale(array_keys(Translatable::get_existing_content_languages('SiteTree')));
     }
     // Allow customisation of the access check by a decorator
     // Also all the canView() check to execute Director::redirect()
     if (!$this->canView() && !$this->response->isFinished()) {
         // When access /admin/, we should try a redirect to another part of the admin rather than be locked out
         $menu = $this->MainMenu();
         foreach ($menu as $candidate) {
             if ($candidate->Link && $candidate->Link != $this->Link() && $candidate->MenuItem->controller && singleton($candidate->MenuItem->controller)->canView()) {
                 return Director::redirect($candidate->Link);
             }
         }
         if (Member::currentUser()) {
             Session::set("BackURL", null);
         }
         // if no alternate menu items have matched, return a permission error
         $messageSet = array('default' => _t('LeftAndMain.PERMDEFAULT', "Please choose an authentication method and enter your credentials to access the CMS."), 'alreadyLoggedIn' => _t('LeftAndMain.PERMALREADY', "I'm sorry, but you can't access that part of the CMS.  If you want to log in as someone else, do so below"), 'logInAgain' => _t('LeftAndMain.PERMAGAIN', "You have been logged out of the CMS.  If you would like to log in again, enter a username and password below."));
         return Security::permissionFailure($this, $messageSet);
     }
     // Don't continue if there's already been a redirection request.
     if (Director::redirected_to()) {
         return;
     }
     // Audit logging hook
     if (empty($_REQUEST['executeForm']) && !$this->isAjax()) {
         $this->extend('accessedCMS');
     }
     // Set the members html editor config
     HtmlEditorConfig::set_active(Member::currentUser()->getHtmlEditorConfigForCMS());
     // Set default values in the config if missing.  These things can't be defined in the config
     // file because insufficient information exists when that is being processed
     $htmlEditorConfig = HtmlEditorConfig::get_active();
     $htmlEditorConfig->setOption('language', i18n::get_tinymce_lang());
     if (!$htmlEditorConfig->getOption('content_css')) {
         $cssFiles = 'cms/css/editor.css';
         // Use theme from the site config
         if (($config = SiteConfig::current_site_config()) && $config->Theme) {
             $theme = $config->Theme;
         } elseif (SSViewer::current_theme()) {
             $theme = SSViewer::current_theme();
         } else {
             $theme = false;
         }
         if ($theme) {
             $cssFiles .= ',' . THEMES_DIR . "/{$theme}/css/editor.css";
         } else {
             if (project()) {
                 $cssFiles .= ',' . project() . '/css/editor.css';
             }
         }
         $htmlEditorConfig->setOption('content_css', $cssFiles);
     }
     Requirements::css(CMS_DIR . '/css/typography.css');
     Requirements::css(CMS_DIR . '/css/layout.css');
     Requirements::css(CMS_DIR . '/css/cms_left.css');
     Requirements::css(CMS_DIR . '/css/cms_right.css');
     Requirements::css(SAPPHIRE_DIR . '/css/Form.css');
     if (isset($_REQUEST['debug_firebug'])) {
         // Firebug is a useful console for debugging javascript
         // Its available as a Firefox extension or a javascript library
         // for easy inclusion in other browsers (just append ?debug_firebug=1 to the URL)
         Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/firebug-lite/firebug.js');
     } else {
         // By default, we include fake-objects for all firebug calls
         // to avoid javascript errors when referencing console.log() etc in javascript code
         Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/firebug-lite/firebugx.js');
     }
     Requirements::javascript(SAPPHIRE_DIR . '/javascript/prototypefix/intro.js');
     Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/prototype/prototype.js');
     Requirements::javascript(SAPPHIRE_DIR . '/javascript/prototypefix/outro.js');
     Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/jquery/jquery.js');
     Requirements::javascript(SAPPHIRE_DIR . '/javascript/jquery_improvements.js');
     Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/jquery-ui/jquery-ui.js');
     //import all of jquery ui
     Requirements::javascript(CMS_DIR . '/thirdparty/jquery-layout/jquery.layout.js');
     Requirements::javascript(CMS_DIR . '/thirdparty/jquery-layout/jquery.layout.state.js');
//.........这里部分代码省略.........

 public function init()
 {
     parent::init();
     // If we've accessed the homepage as /home/, then we should redirect to /.
     if ($this->dataRecord && $this->dataRecord instanceof SiteTree && RootURLController::should_be_on_root($this->dataRecord) && (!isset($this->urlParams['Action']) || !$this->urlParams['Action']) && !$_POST && !$_FILES && !Director::redirected_to()) {
         $getVars = $_GET;
         unset($getVars['url']);
         if ($getVars) {
             $url = "?" . http_build_query($getVars);
         } else {
             $url = "";
         }
         Director::redirect($url, 301);
         return;
     }
     if ($this->dataRecord) {
         $this->dataRecord->extend('contentcontrollerInit', $this);
     } else {
         singleton('SiteTree')->extend('contentcontrollerInit', $this);
     }
     if (Director::redirected_to()) {
         return;
     }
     // Check page permissions
     if ($this->dataRecord && $this->URLSegment != 'Security' && !$this->dataRecord->canView()) {
         return Security::permissionFailure($this);
     }
     // Draft/Archive security check - only CMS users should be able to look at stage/archived content
     if ($this->URLSegment != 'Security' && !Session::get('unsecuredDraftSite') && (Versioned::current_archived_date() || Versioned::current_stage() && Versioned::current_stage() != 'Live')) {
         if (!$this->dataRecord->canViewStage(Versioned::current_stage())) {
             $link = $this->Link();
             $message = _t("ContentController.DRAFT_SITE_ACCESS_RESTRICTION", 'You must log in with your CMS password in order to view the draft or archived content.  <a href="%s">Click here to go back to the published site.</a>');
             Session::clear('currentStage');
             Session::clear('archiveDate');
             return Security::permissionFailure($this, sprintf($message, Controller::join_links($link, "?stage=Live")));
         }
     }
     // Use theme from the site config
     if (($config = SiteConfig::current_site_config()) && $config->Theme) {
         SSViewer::set_theme($config->Theme);
     }
 }

 /**
  * @uses LeftAndMainExtension->init()
  * @uses LeftAndMainExtension->accessedCMS()
  * @uses CMSMenu
  */
 function init()
 {
     parent::init();
     SSViewer::setOption('rewriteHashlinks', false);
     // set language
     $member = Member::currentUser();
     if (!empty($member->Locale)) {
         i18n::set_locale($member->Locale);
     }
     if (!empty($member->DateFormat)) {
         i18n::set_date_format($member->DateFormat);
     }
     if (!empty($member->TimeFormat)) {
         i18n::set_time_format($member->TimeFormat);
     }
     // can't be done in cms/_config.php as locale is not set yet
     CMSMenu::add_link('Help', _t('LeftAndMain.HELP', 'Help', PR_HIGH, 'Menu title'), self::$help_link);
     // Allow customisation of the access check by a extension
     // Also all the canView() check to execute Director::redirect()
     if (!$this->canView() && !$this->response->isFinished()) {
         // When access /admin/, we should try a redirect to another part of the admin rather than be locked out
         $menu = $this->MainMenu();
         foreach ($menu as $candidate) {
             if ($candidate->Link && $candidate->Link != $this->Link() && $candidate->MenuItem->controller && singleton($candidate->MenuItem->controller)->canView()) {
                 return Director::redirect($candidate->Link);
             }
         }
         if (Member::currentUser()) {
             Session::set("BackURL", null);
         }
         // if no alternate menu items have matched, return a permission error
         $messageSet = array('default' => _t('LeftAndMain.PERMDEFAULT', "Please choose an authentication method and enter your credentials to access the CMS."), 'alreadyLoggedIn' => _t('LeftAndMain.PERMALREADY', "I'm sorry, but you can't access that part of the CMS.  If you want to log in as someone else, do so below"), 'logInAgain' => _t('LeftAndMain.PERMAGAIN', "You have been logged out of the CMS.  If you would like to log in again, enter a username and password below."));
         return Security::permissionFailure($this, $messageSet);
     }
     // Don't continue if there's already been a redirection request.
     if (Director::redirected_to()) {
         return;
     }
     // Audit logging hook
     if (empty($_REQUEST['executeForm']) && !$this->isAjax()) {
         $this->extend('accessedCMS');
     }
     // Requirements
     Requirements::combine_files('lib.js', array(THIRDPARTY_DIR . '/prototype/prototype.js', THIRDPARTY_DIR . '/behaviour/behaviour.js', THIRDPARTY_DIR . '/jquery/jquery.js', SAPPHIRE_DIR . '/javascript/jquery_improvements.js', THIRDPARTY_DIR . '/jquery-livequery/jquery.livequery.js', SAPPHIRE_DIR . '/javascript/jquery-ondemand/jquery.ondemand.js', THIRDPARTY_DIR . '/jquery-ui/jquery-ui.js', THIRDPARTY_DIR . '/json-js/json2.js', THIRDPARTY_DIR . '/jquery-entwine/dist/jquery.entwine-dist.js', THIRDPARTY_DIR . '/jquery-cookie/jquery.cookie.js', THIRDPARTY_DIR . '/jquery-query/jquery.query.js', SAPPHIRE_ADMIN_DIR . '/thirdparty/jquery-notice/jquery.notice.js', THIRDPARTY_DIR . '/jquery-metadata/jquery.metadata.js', SAPPHIRE_ADMIN_DIR . '/thirdparty/jsizes/lib/jquery.sizes.js', SAPPHIRE_ADMIN_DIR . '/thirdparty/jlayout/lib/jlayout.border.js', SAPPHIRE_ADMIN_DIR . '/thirdparty/jlayout/lib/jquery.jlayout.js', SAPPHIRE_ADMIN_DIR . '/thirdparty/history-js/scripts/uncompressed/history.js', SAPPHIRE_ADMIN_DIR . '/thirdparty/history-js/scripts/uncompressed/history.adapter.jquery.js', SAPPHIRE_ADMIN_DIR . '/thirdparty/history-js/scripts/uncompressed/history.html4.js', THIRDPARTY_DIR . '/jstree/jquery.jstree.js', SAPPHIRE_ADMIN_DIR . '/thirdparty/chosen/chosen/chosen.jquery.js', SAPPHIRE_ADMIN_DIR . '/thirdparty/jquery-hoverIntent/jquery.hoverIntent.js', SAPPHIRE_ADMIN_DIR . '/javascript/jquery-changetracker/lib/jquery.changetracker.js', SAPPHIRE_DIR . '/javascript/TreeDropdownField.js', SAPPHIRE_DIR . "/thirdparty/jquery-form/jquery.form.js", SAPPHIRE_DIR . '/javascript/DateField.js', SAPPHIRE_DIR . '/javascript/HtmlEditorField.js', SAPPHIRE_DIR . '/javascript/TabSet.js', SAPPHIRE_DIR . '/javascript/Validator.js', SAPPHIRE_DIR . '/javascript/i18n.js', SAPPHIRE_ADMIN_DIR . '/javascript/ssui.core.js'));
     Requirements::combine_files('leftandmain.js', array(SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.js', SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.Panel.js', SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.Tree.js', SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.Ping.js', SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.Content.js', SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.EditForm.js', SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.Menu.js', SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.AddForm.js', SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.Preview.js', SAPPHIRE_ADMIN_DIR . '/javascript/LeftAndMain.BatchActions.js'));
     Requirements::add_i18n_javascript(SAPPHIRE_DIR . '/javascript/lang');
     Requirements::add_i18n_javascript(SAPPHIRE_ADMIN_DIR . '/javascript/lang');
     Requirements::combine_files('lib.css', array(THIRDPARTY_DIR . '/jquery-ui-themes/smoothness/jquery-ui.css', SAPPHIRE_ADMIN_DIR . '/thirdparty/chosen/chosen/chosen.css', THIRDPARTY_DIR . '/jstree/themes/apple/style.css', SAPPHIRE_DIR . '/javascript/TreeDropdownField.css', SAPPHIRE_ADMIN_DIR . '/css/unjquery.css'));
     Requirements::css(SAPPHIRE_ADMIN_DIR . '/css/screen.css');
     // Set the members html editor config
     HtmlEditorConfig::set_active(Member::currentUser()->getHtmlEditorConfigForCMS());
     // Set default values in the config if missing.  These things can't be defined in the config
     // file because insufficient information exists when that is being processed
     $htmlEditorConfig = HtmlEditorConfig::get_active();
     $htmlEditorConfig->setOption('language', i18n::get_tinymce_lang());
     if (!$htmlEditorConfig->getOption('content_css')) {
         $cssFiles = array();
         $cssFiles[] = 'sapphire/admin/css/editor.css';
         // Use theme from the site config
         if (class_exists('SiteConfig') && ($config = SiteConfig::current_site_config()) && $config->Theme) {
             $theme = $config->Theme;
         } elseif (SSViewer::current_theme()) {
             $theme = SSViewer::current_theme();
         } else {
             $theme = false;
         }
         if ($theme) {
             $cssFiles[] = THEMES_DIR . "/{$theme}/css/editor.css";
         } else {
             if (project()) {
                 $cssFiles[] = project() . '/css/editor.css';
             }
         }
         // Remove files that don't exist
         foreach ($cssFiles as $k => $cssFile) {
             if (!file_exists(BASE_PATH . '/' . $cssFile)) {
                 unset($cssFiles[$k]);
             }
         }
         $htmlEditorConfig->setOption('content_css', implode(',', $cssFiles));
     }
     foreach (self::$extra_requirements['javascript'] as $file) {
         Requirements::javascript($file[0]);
     }
     foreach (self::$extra_requirements['css'] as $file) {
         Requirements::css($file[0], $file[1]);
     }
     foreach (self::$extra_requirements['themedcss'] as $file) {
         Requirements::themedCSS($file[0], $file[1]);
     }
     $dummy = null;
     $this->extend('init', $dummy);
     // The user's theme shouldn't affect the CMS, if, for example, they have replaced
     // TableListField.ss or Form.ss.
     SSViewer::set_theme(null);
//.........这里部分代码省略.........

	/**
	 * @uses LeftAndMainDecorator->init()
	 * @uses LeftAndMainDecorator->accessedCMS()
	 * @uses CMSMenu
	 * @uses Director::set_site_mode()
	 */
	function init() {
		parent::init();

		Director::set_site_mode('cms');
		
		// set language
		$member = Member::currentUser();
		if(!empty($member->Locale)) {
			i18n::set_locale($member->Locale);
		}
		
		// can't be done in cms/_config.php as locale is not set yet
		CMSMenu::add_link(
			'Help', 
			_t('LeftAndMain.HELP', 'Help', PR_HIGH, 'Menu title'), 
			'http://userhelp.silverstripe.com'
		);
		
		// set reading lang
		if(Translatable::is_enabled() && !Director::is_ajax()) {
			Translatable::choose_site_lang(array_keys(Translatable::get_existing_content_languages('SiteTree')));
		}

		// Allow customisation of the access check by a decorator
		if(!$this->canView()) {
			// When access /admin/, we should try a redirect to another part of the admin rather than be locked out
			$menu = $this->MainMenu();
			foreach($menu as $candidate) {
				if(
					$candidate->Link && 
					$candidate->Link != $this->Link() 
					&& $candidate->MenuItem->controller 
					&& singleton($candidate->MenuItem->controller)->canView()
				) {
					return Director::redirect($candidate->Link);
				}
			}
			
			if(Member::currentUser()) {
				Session::set("BackURL", null);
			}
			
			// if no alternate menu items have matched, return a permission error
			$messageSet = array(
				'default' => _t('LeftAndMain.PERMDEFAULT',"Please choose an authentication method and enter your credentials to access the CMS."),
				'alreadyLoggedIn' => _t('LeftAndMain.PERMALREADY',"I'm sorry, but you can't access that part of the CMS.  If you want to log in as someone else, do so below"),
				'logInAgain' => _t('LeftAndMain.PERMAGAIN',"You have been logged out of the CMS.  If you would like to log in again, enter a username and password below."),
			);

			return Security::permissionFailure($this, $messageSet);
		}

		// Don't continue if there's already been a redirection request.
		if(Director::redirected_to()) return;

		// Audit logging hook
		if(empty($_REQUEST['executeForm']) && !Director::is_ajax()) $this->extend('accessedCMS');
		
		Requirements::css(CMS_DIR . '/css/typography.css');
		Requirements::css(CMS_DIR . '/css/layout.css');
		Requirements::css(CMS_DIR . '/css/cms_left.css');
		Requirements::css(CMS_DIR . '/css/cms_right.css');
		Requirements::css(SAPPHIRE_DIR . '/css/Form.css');
		
		if(isset($_REQUEST['debug_firebug'])) {
			// Firebug is a useful console for debugging javascript
			// Its available as a Firefox extension or a javascript library
			// for easy inclusion in other browsers (just append ?debug_firebug=1 to the URL)
			Requirements::javascript(THIRDPARTY_DIR . '/firebug/firebug-lite-compressed.js');
		} else {
			// By default, we include fake-objects for all firebug calls
			// to avoid javascript errors when referencing console.log() etc in javascript code
			Requirements::javascript(THIRDPARTY_DIR . '/firebug/firebugx.js');
		}
		
		Requirements::javascript(THIRDPARTY_DIR . '/prototype.js');
		Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery.js');
		Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery_improvements.js');
		Requirements::javascript(THIRDPARTY_DIR . '/behaviour.js');
		Requirements::javascript(THIRDPARTY_DIR . '/jquery/plugins/livequery/jquery.livequery.js');
		Requirements::javascript(SAPPHIRE_DIR . '/javascript/core/jquery.ondemand.js');
		Requirements::javascript(THIRDPARTY_DIR . '/prototype_improvements.js');
		Requirements::javascript(THIRDPARTY_DIR . '/loader.js');
		Requirements::javascript(THIRDPARTY_DIR . '/hover.js');
		Requirements::javascript(THIRDPARTY_DIR . '/layout_helpers.js');
		Requirements::javascript(SAPPHIRE_DIR . "/javascript/i18n.js");
		
		Requirements::javascript(THIRDPARTY_DIR . '/scriptaculous/effects.js');
		Requirements::javascript(THIRDPARTY_DIR . '/scriptaculous/dragdrop.js');
		Requirements::javascript(THIRDPARTY_DIR . '/scriptaculous/controls.js');

		Requirements::css(THIRDPARTY_DIR . '/greybox/greybox.css');
		Requirements::javascript(THIRDPARTY_DIR . '/greybox/AmiJS.js');
		Requirements::javascript(THIRDPARTY_DIR . '/greybox/greybox.js');
//.........这里部分代码省略.........

	public function init() {
		parent::init();
		
		// If we've accessed the homepage as /home/, then we should redirect to /.
		if($this->dataRecord && $this->dataRecord instanceof SiteTree
			 	&& RootURLController::should_be_on_root($this->dataRecord) && !$this->urlParams['Action'] 
				&& !$_POST && !$_FILES && !Director::redirected_to() ) {
			$getVars = $_GET;
			unset($getVars['url']);
			if($getVars) $url = "?" . http_build_query($getVars);
			else $url = "";
			Director::redirect($url, 301);
			return;
		}
		
		if($this->dataRecord) $this->dataRecord->extend('contentcontrollerInit', $this);
		else singleton('SiteTree')->extend('contentcontrollerInit', $this);

		if(Director::redirected_to()) return;
		
		Director::set_site_mode('site');

		// Check page permissions
		if($this->dataRecord && $this->URLSegment != 'Security' && !$this->dataRecord->can('View')) {
			Security::permissionFailure($this);
		}

		// Draft/Archive security check - only CMS users should be able to look at stage/archived content
		if($this->URLSegment != 'Security' && !Session::get('unsecuredDraftSite') && (Versioned::current_archived_date() || (Versioned::current_stage() && Versioned::current_stage() != 'Live'))) {
			if(!Permission::check('CMS_ACCESS_CMSMain')) {
				$link = $this->Link();
				$message = _t("ContentController.DRAFT_SITE_ACCESS_RESTRICTION", 'You must log in with your CMS password in order to view the draft or archived content.  <a href="%s">Click here to go back to the published site.</a>');
				Security::permissionFailure($this, sprintf($message, "$link?stage=Live"));
				return;
			}
		}		

	}

 function init()
 {
     Director::set_site_mode('cms');
     // set language
     $member = Member::currentUser();
     if (!empty($member->Locale)) {
         i18n::set_locale($member->Locale);
     }
     // set reading lang
     if (Translatable::is_enabled() && !Director::is_ajax()) {
         Translatable::choose_site_lang(array_keys(i18n::get_existing_content_languages('SiteTree')));
     }
     parent::init();
     // Allow customisation of the access check by a decorator
     if ($this->hasMethod('alternateAccessCheck')) {
         $isAllowed = $this->alternateAccessCheck();
         // Default security check for LeftAndMain sub-class permissions
     } else {
         $isAllowed = Permission::check("CMS_ACCESS_{$this->class}");
         if (!$isAllowed && $this->class == 'CMSMain') {
             // When access /admin/, we should try a redirect to another part of the admin rather than be locked out
             $menu = $this->MainMenu();
             if (($first = $menu->First()) && $first->Link) {
                 Director::redirect($first->Link);
             }
         }
     }
     // Don't continue if there's already been a redirection request.
     if (Director::redirected_to()) {
         return;
     }
     // Access failure!
     if (!$isAllowed) {
         $messageSet = array('default' => _t('LeftAndMain.PERMDEFAULT', "Please choose an authentication method and enter your credentials to access the CMS."), 'alreadyLoggedIn' => _t('LeftAndMain.PERMALREADY', "I'm sorry, but you can't access that part of the CMS.  If you want to log in as someone else, do so below"), 'logInAgain' => _t('LeftAndMain.PERMAGAIN', "You have been logged out of the CMS.  If you would like to log in again, enter a username and password below."));
         Security::permissionFailure($this, $messageSet);
         return;
     }
     Requirements::javascript('jsparty/prototype.js');
     Requirements::javascript('jsparty/behaviour.js');
     Requirements::javascript('jsparty/prototype_improvements.js');
     Requirements::javascript('jsparty/loader.js');
     Requirements::javascript('jsparty/hover.js');
     Requirements::javascript('jsparty/layout_helpers.js');
     Requirements::javascript(MCE_ROOT . 'tiny_mce_src.js');
     Requirements::javascript('cms/javascript/ImageEditor/Activator.js');
     Requirements::javascript('jsparty/tiny_mce_improvements.js');
     Requirements::javascript('jsparty/scriptaculous/effects.js');
     Requirements::javascript('jsparty/scriptaculous/dragdrop.js');
     Requirements::javascript('jsparty/scriptaculous/controls.js');
     Requirements::css('jsparty/greybox/greybox.css');
     Requirements::javascript('jsparty/greybox/AmiJS.js');
     Requirements::javascript('jsparty/greybox/greybox.js');
     Requirements::javascript('jsparty/tree/tree.js');
     Requirements::css('jsparty/tree/tree.css');
     Requirements::javascript('jsparty/tabstrip/tabstrip.js');
     Requirements::css('jsparty/tabstrip/tabstrip.css');
     Requirements::css('cms/css/TinyMCEImageEnhancement.css');
     Requirements::javascript('cms/javascript/TinyMCEImageEnhancement.js');
     Requirements::javascript('cms/javascript/LeftAndMain.js');
     Requirements::javascript('cms/javascript/LeftAndMain_left.js');
     Requirements::javascript('cms/javascript/LeftAndMain_right.js');
     Requirements::css('sapphire/css/Form.css');
     // Requirements::javascript('cms/javascript/MemberList.js');
     Requirements::javascript('cms/javascript/ForumAdmin.js');
     Requirements::javascript('cms/javascript/SideTabs.js');
     Requirements::javascript('cms/javascript/TaskList.js');
     Requirements::javascript('cms/javascript/CommentList.js');
     Requirements::javascript('cms/javascript/SideReports.js');
     Requirements::javascript('cms/javascript/LangSelector.js');
     Requirements::javascript('cms/javascript/TranslationTab.js');
     Requirements::javascript('sapphire/javascript/Validator.js');
     Requirements::javascript('sapphire/javascript/UniqueFields.js');
     Requirements::javascript('sapphire/javascript/RedirectorPage.js');
     Requirements::javascript('sapphire/javascript/DataReport.js');
     Requirements::javascript('sapphire/javascript/ToggleCompositeField.js');
     Requirements::css('sapphire/css/SubmittedFormReportField.css');
     Requirements::javascript('sapphire/javascript/FieldEditor.js');
     Requirements::css('sapphire/css/FieldEditor.css');
     Requirements::css('sapphire/css/TableListField.css');
     Requirements::css('sapphire/css/ComplexTableField.css');
     Requirements::javascript('sapphire/javascript/TableListField.js');
     Requirements::javascript('sapphire/javascript/TableField.js');
     Requirements::javascript('sapphire/javascript/ComplexTableField.js');
     Requirements::javascript('sapphire/javascript/RelationComplexTableField.js');
     Requirements::css('sapphire/css/TreeDropdownField.css');
     Requirements::css('sapphire/css/CheckboxSetField.css');
     Requirements::javascript('jsparty/calendar/calendar.js');
     Requirements::javascript('jsparty/calendar/lang/calendar-en.js');
     Requirements::javascript('jsparty/calendar/calendar-setup.js');
     Requirements::css('sapphire/css/CalendarDateField.css');
     Requirements::css('jsparty/calendar/calendar-win2k-1.css');
     Requirements::javascript('sapphire/javascript/DropdownTimeField.js');
     Requirements::css('sapphire/css/DropdownTimeField.css');
     Requirements::css('sapphire/css/PopupDateTimeField.css');
     Requirements::javascript('sapphire/javascript/SelectionGroup.js');
     Requirements::css('sapphire/css/SelectionGroup.css');
     Requirements::javascript('jsparty/SWFUpload/SWFUpload.js');
     Requirements::javascript('cms/javascript/Upload.js');
     Requirements::javascript('sapphire/javascript/HasManyFileField.js');
     Requirements::css('sapphire/css/HasManyFileField.css');
//.........这里部分代码省略.........

 /**
  * Show the "login" page
  *
  * @return string Returns the "login" page as HTML code.
  */
 public function login()
 {
     // Event handler for pre-login, with an option to let it break you out of the login form
     $eventResults = $this->extend('onBeforeSecurityLogin');
     // If there was a redirection, return
     if (Director::redirected_to()) {
         return;
     } else {
         if ($eventResults) {
             foreach ($eventResults as $result) {
                 if ($result instanceof HTTPResponse) {
                     return $result;
                 }
             }
         }
     }
     $customCSS = project() . '/css/tabs.css';
     if (Director::fileExists($customCSS)) {
         Requirements::css($customCSS);
     }
     $tmpPage = new Page();
     $tmpPage->Title = _t('Security.LOGIN', 'Log in');
     $tmpPage->URLSegment = "Security";
     $tmpPage->ID = -1;
     // Set the page ID to -1 so we dont get the top level pages as its children
     $controller = new Page_Controller($tmpPage);
     $controller->init();
     //Controller::$currentController = $controller;
     $content = '';
     $forms = $this->GetLoginForms();
     if (!count($forms)) {
         user_error('No login-forms found, please use Authenticator::register_authenticator() to add one', E_USER_ERROR);
     }
     // only display tabs when more than one authenticator is provided
     // to save bandwidth and reduce the amount of custom styling needed
     if (count($forms) > 1) {
         Requirements::javascript(THIRDPARTY_DIR . "/loader.js");
         Requirements::javascript(THIRDPARTY_DIR . "/prototype.js");
         Requirements::javascript(THIRDPARTY_DIR . "/behaviour.js");
         Requirements::javascript(THIRDPARTY_DIR . "/prototype_improvements.js");
         Requirements::javascript(THIRDPARTY_DIR . "/scriptaculous/effects.js");
         Requirements::css(SAPPHIRE_DIR . "/css/Form.css");
         // Needed because the <base href=".."> in the template makes problems
         // with the tabstrip library otherwise
         $link_base = Director::absoluteURL($this->Link("login"));
         Requirements::javascript(THIRDPARTY_DIR . "/jquery/jquery.js");
         Requirements::javascript(THIRDPARTY_DIR . "/jquery/jquery_improvements.js");
         Requirements::javascript(THIRDPARTY_DIR . '/jquery/plugins/livequery/jquery.livequery.js');
         Requirements::javascript(THIRDPARTY_DIR . "/tabstrip/tabstrip.js");
         Requirements::css(THIRDPARTY_DIR . "/tabstrip/tabstrip.css");
         $content = '<div id="Form_EditForm">';
         $content .= '<ul class="tabstrip">';
         $content_forms = '';
         foreach ($forms as $form) {
             $content .= "<li><a href=\"{$link_base}#{$form->FormName()}_tab\">{$form->getAuthenticator()->get_name()}</a></li>\n";
             $content_forms .= '<div class="tab" id="' . $form->FormName() . '_tab">' . $form->forTemplate() . "</div>\n";
         }
         $content .= "</ul>\n" . $content_forms . "\n</div>\n";
     } else {
         $content .= $forms[0]->forTemplate();
     }
     if (strlen($message = Session::get('Security.Message.message')) > 0) {
         $message_type = Session::get('Security.Message.type');
         if ($message_type == 'bad') {
             $message = "<p class=\"message {$message_type}\">{$message}</p>";
         } else {
             $message = "<p>{$message}</p>";
         }
         $customisedController = $controller->customise(array("Content" => $message, "Form" => $content));
     } else {
         $customisedController = $controller->customise(array("Content" => $content));
     }
     Session::clear('Security.Message');
     // custom processing
     return $customisedController->renderWith(array('Security_login', 'Security', $this->stat('template_main')));
 }

 function init()
 {
     parent::init();
     if (Director::redirected_to()) {
         return;
     }
     if (!$this->canView()) {
         $messageSet = array('default' => _t('Forum.LOGINDEFAULT', 'Enter your email address and password to view this forum.'), 'alreadyLoggedIn' => _t('Forum.LOGINALREADY', 'I\'m sorry, but you can\'t access this forum until you\'ve logged in.  If you want to log in as someone else, do so below'), 'logInAgain' => _t('Forum.LOGINAGAIN', 'You have been logged out of the forums.  If you would like to log in again, enter a username and password below.'));
         Security::permissionFailure($this, $messageSet);
         return;
     }
     // Log this visit to the ForumMember if they exist
     $member = Member::currentUser();
     if ($member) {
         $member->LastViewed = date("Y-m-d H:i:s");
         $member->write();
     }
     Requirements::javascript(THIRDPARTY_DIR . "/jquery/jquery.js");
     Requirements::javascript("forum/javascript/forum.js");
     Requirements::javascript("forum/javascript/jquery.MultiFile.js");
     Requirements::themedCSS('Forum');
     RSSFeed::linkToFeed($this->Parent()->Link("rss/forum/{$this->ID}"), sprintf(_t('Forum.RSSFORUM', "Posts to the '%s' forum"), $this->Title));
     RSSFeed::linkToFeed($this->Parent()->Link("rss"), _t('Forum.RSSFORUMS', 'Posts to all forums'));
     // Set the back url
     if (isset($_SERVER['REQUEST_URI'])) {
         Session::set('BackURL', $_SERVER['REQUEST_URI']);
     } else {
         Session::set('BackURL', $this->Link());
     }
 }