silverstripe / silverstripe-siteconfig

code/model/SiteConfig.php

Indentation +424 added lines, -424 removed lines

@@ -27,428 +27,428 @@
  */
 class SiteConfig extends DataObject implements PermissionProvider, TemplateGlobalProvider
 {
-    private static $db = array(
-        "Title" => "Varchar(255)",
-        "Tagline" => "Varchar(255)",
-        "Theme" => "Varchar(255)",
-        "CanViewType" => "Enum('Anyone, LoggedInUsers, OnlyTheseUsers', 'Anyone')",
-        "CanEditType" => "Enum('LoggedInUsers, OnlyTheseUsers', 'LoggedInUsers')",
-        "CanCreateTopLevelType" => "Enum('LoggedInUsers, OnlyTheseUsers', 'LoggedInUsers')",
-    );
-
-    private static $many_many = array(
-        "ViewerGroups" => "SilverStripe\\Security\\Group",
-        "EditorGroups" => "SilverStripe\\Security\\Group",
-        "CreateTopLevelGroups" => "SilverStripe\\Security\\Group"
-    );
-
-    private static $defaults = array(
-        "CanViewType" => "Anyone",
-        "CanEditType" => "LoggedInUsers",
-        "CanCreateTopLevelType" => "LoggedInUsers",
-    );
-
-    /**
-     * @config
-     *
-     * @var array
-     */
-    private static $disabled_themes = array();
-
-    /**
-     * Default permission to check for 'LoggedInUsers' to create or edit pages
-     *
-     * @var array
-     * @config
-     */
-    private static $required_permission = array('CMS_ACCESS_CMSMain', 'CMS_ACCESS_LeftAndMain');
-
-
-    public function populateDefaults()
-    {
-        $this->Title = _t('SiteConfig.SITENAMEDEFAULT', "Your Site Name");
-        $this->Tagline = _t('SiteConfig.TAGLINEDEFAULT', "your tagline here");
-
-        // Allow these defaults to be overridden
-        parent::populateDefaults();
-    }
-
-    /**
-     * Get the fields that are sent to the CMS.
-     *
-     * In your extensions: updateCMSFields($fields).
-     *
-     * @return FieldList
-     */
-    public function getCMSFields()
-    {
-        $groupsMap = array();
-
-        foreach (Group::get() as $group) {
-            // Listboxfield values are escaped, use ASCII char instead of »
-            $groupsMap[$group->ID] = $group->getBreadcrumbs(' > ');
-        }
-        asort($groupsMap);
-
-        $fields = new FieldList(
-            new TabSet("Root",
-                $tabMain = new Tab('Main',
-                    $titleField = new TextField("Title", _t('SiteConfig.SITETITLE', "Site title")),
-                    $taglineField = new TextField("Tagline", _t('SiteConfig.SITETAGLINE', "Site Tagline/Slogan")),
-                    $themeDropdownField = new DropdownField("Theme", _t('SiteConfig.THEME', 'Theme'), $this->getAvailableThemes())
-                ),
-                $tabAccess = new Tab('Access',
-                    $viewersOptionsField = new OptionsetField("CanViewType", _t('SiteConfig.VIEWHEADER', "Who can view pages on this site?")),
-                    $viewerGroupsField = ListboxField::create("ViewerGroups", _t('SiteTree.VIEWERGROUPS', "Viewer Groups"))
-                        ->setSource($groupsMap)
-                        ->setAttribute(
-                            'data-placeholder',
-                            _t('SiteTree.GroupPlaceholder', 'Click to select group')
-                        ),
-                    $editorsOptionsField = new OptionsetField("CanEditType", _t('SiteConfig.EDITHEADER', "Who can edit pages on this site?")),
-                    $editorGroupsField = ListboxField::create("EditorGroups", _t('SiteTree.EDITORGROUPS', "Editor Groups"))
-                        ->setSource($groupsMap)
-                        ->setAttribute(
-                            'data-placeholder',
-                            _t('SiteTree.GroupPlaceholder', 'Click to select group')
-                        ),
-                    $topLevelCreatorsOptionsField = new OptionsetField("CanCreateTopLevelType", _t('SiteConfig.TOPLEVELCREATE', "Who can create pages in the root of the site?")),
-                    $topLevelCreatorsGroupsField = ListboxField::create("CreateTopLevelGroups", _t('SiteTree.TOPLEVELCREATORGROUPS', "Top level creators"))
-                        ->setSource($groupsMap)
-                        ->setAttribute(
-                            'data-placeholder',
-                            _t('SiteTree.GroupPlaceholder', 'Click to select group')
-                        )
-                )
-            ),
-            new HiddenField('ID')
-        );
-
-        $themeDropdownField->setEmptyString(_t('SiteConfig.DEFAULTTHEME', '(Use default theme)'));
-
-        $viewersOptionsSource = array();
-        $viewersOptionsSource["Anyone"] = _t('SiteTree.ACCESSANYONE', "Anyone");
-        $viewersOptionsSource["LoggedInUsers"] = _t('SiteTree.ACCESSLOGGEDIN', "Logged-in users");
-        $viewersOptionsSource["OnlyTheseUsers"] = _t('SiteTree.ACCESSONLYTHESE', "Only these people (choose from list)");
-        $viewersOptionsField->setSource($viewersOptionsSource);
-
-        $editorsOptionsSource = array();
-        $editorsOptionsSource["LoggedInUsers"] = _t('SiteTree.EDITANYONE', "Anyone who can log-in to the CMS");
-        $editorsOptionsSource["OnlyTheseUsers"] = _t('SiteTree.EDITONLYTHESE', "Only these people (choose from list)");
-        $editorsOptionsField->setSource($editorsOptionsSource);
-
-        $topLevelCreatorsOptionsField->setSource($editorsOptionsSource);
-
-        if (!Permission::check('EDIT_SITECONFIG')) {
-            $fields->makeFieldReadonly($viewersOptionsField);
-            $fields->makeFieldReadonly($viewerGroupsField);
-            $fields->makeFieldReadonly($editorsOptionsField);
-            $fields->makeFieldReadonly($editorGroupsField);
-            $fields->makeFieldReadonly($topLevelCreatorsOptionsField);
-            $fields->makeFieldReadonly($topLevelCreatorsGroupsField);
-            $fields->makeFieldReadonly($taglineField);
-            $fields->makeFieldReadonly($titleField);
-        }
-
-        if (file_exists(BASE_PATH . '/install.php')) {
-            $fields->addFieldToTab("Root.Main", new LiteralField("InstallWarningHeader",
-                "<p class=\"message warning\">" . _t("SiteTree.REMOVE_INSTALL_WARNING",
-                "Warning: You should remove install.php from this SilverStripe install for security reasons.")
-                . "</p>"), "Title");
-        }
-
-        $tabMain->setTitle(_t('SiteConfig.TABMAIN', "Main"));
-        $tabAccess->setTitle(_t('SiteConfig.TABACCESS', "Access"));
-        $this->extend('updateCMSFields', $fields);
-
-        return $fields;
-    }
-
-    /**
-     * Get all available themes that haven't been marked as disabled.
-     *
-     * @param string $baseDir Optional alternative theme base directory for testing
-     *
-     * @return array of theme directory names
-     */
-    public function getAvailableThemes($baseDir = null)
-    {
-        $themes = SSViewer::get_themes($baseDir);
-        $disabled = (array)$this->config()->disabled_themes;
-
-        foreach ($disabled as $theme) {
-            if (isset($themes[$theme])) {
-                unset($themes[$theme]);
-            }
-        }
-
-        return $themes;
-    }
-
-    /**
-     * Get the actions that are sent to the CMS.
-     *
-     * In your extensions: updateEditFormActions($actions)
-     *
-     * @return FieldList
-     */
-    public function getCMSActions()
-    {
-        if (Permission::check('ADMIN') || Permission::check('EDIT_SITECONFIG')) {
-            $actions = new FieldList(
-                FormAction::create('save_siteconfig', _t('CMSMain.SAVE', 'Save'))
-                    ->addExtraClass('ss-ui-action-constructive')->setAttribute('data-icon', 'accept')
-            );
-        } else {
-            $actions = new FieldList();
-        }
-
-        $this->extend('updateCMSActions', $actions);
-
-        return $actions;
-    }
-
-    /**
-     * @return string
-     */
-    public function CMSEditLink()
-    {
-        return singleton('CMSSettingsController')->Link();
-    }
-
-    /**
-     * Get the current sites SiteConfig, and creates a new one through
-     * {@link make_site_config()} if none is found.
-     *
-     * @return SiteConfig
-     */
-    public static function current_site_config()
-    {
-        if ($siteConfig = DataObject::get_one('SiteConfig')) {
-            return $siteConfig;
-        }
-
-        return self::make_site_config();
-    }
-
-    /**
-     * Setup a default SiteConfig record if none exists.
-     */
-    public function requireDefaultRecords()
-    {
-        parent::requireDefaultRecords();
-
-        $config = DataObject::get_one('SiteConfig');
-
-        if (!$config) {
-            self::make_site_config();
-
-            DB::alteration_message("Added default site config", "created");
-        }
-    }
-
-    /**
-     * Create SiteConfig with defaults from language file.
-     *
-     * @return SiteConfig
-     */
-    public static function make_site_config()
-    {
-        $config = SiteConfig::create();
-        $config->write();
-
-        return $config;
-    }
-
-    /**
-     * Can a user view this SiteConfig instance?
-     *
-     * @param Member $member
-     * @return boolean
-     */
-    public function canView($member = null)
-    {
-        if (!$member) {
-            $member = Member::currentUserID();
-        }
-        if ($member && is_numeric($member)) {
-            $member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
-        }
-
-        $extended = $this->extendedCan('canView', $member);
-        if ($extended !== null) {
-            return $extended;
-        }
-
-        // Assuming all that can edit this object can also view it
-        return $this->canEdit($member);
-    }
-
-    /**
-     * Can a user view pages on this site? This method is only
-     * called if a page is set to Inherit, but there is nothing
-     * to inherit from.
-     *
-     * @param Member $member
-     * @return boolean
-     */
-    public function canViewPages($member = null)
-    {
-        if (!$member) {
-            $member = Member::currentUserID();
-        }
-        if ($member && is_numeric($member)) {
-            $member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
-        }
-
-        if ($member && Permission::checkMember($member, "ADMIN")) {
-            return true;
-        }
-
-        $extended = $this->extendedCan('canViewPages', $member);
-        if ($extended !== null) {
-            return $extended;
-        }
-
-        if (!$this->CanViewType || $this->CanViewType == 'Anyone') {
-            return true;
-        }
-
-        // check for any logged-in users
-        if ($this->CanViewType === 'LoggedInUsers' && $member) {
-            return true;
-        }
-
-        // check for specific groups
-        if ($this->CanViewType === 'OnlyTheseUsers' && $member && $member->inGroups($this->ViewerGroups())) {
-            return true;
-        }
-
-        return false;
-    }
-
-    /**
-     * Can a user edit pages on this site? This method is only
-     * called if a page is set to Inherit, but there is nothing
-     * to inherit from, or on new records without a parent.
-     *
-     * @param Member $member
-     * @return boolean
-     */
-    public function canEditPages($member = null)
-    {
-        if (!$member) {
-            $member = Member::currentUserID();
-        }
-        if ($member && is_numeric($member)) {
-            $member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
-        }
-
-        if ($member && Permission::checkMember($member, "ADMIN")) {
-            return true;
-        }
-
-        $extended = $this->extendedCan('canEditPages', $member);
-        if ($extended !== null) {
-            return $extended;
-        }
-
-        // check for any logged-in users with CMS access
-        if ($this->CanEditType === 'LoggedInUsers'
-            && Permission::checkMember($member, $this->config()->required_permission)
-        ) {
-            return true;
-        }
-
-            // check for specific groups
-        if ($this->CanEditType === 'OnlyTheseUsers' && $member && $member->inGroups($this->EditorGroups())) {
-            return true;
-        }
-
-        return false;
-    }
-
-    public function canEdit($member = null)
-    {
-        if (!$member) {
-            $member = Member::currentUserID();
-        }
-        if ($member && is_numeric($member)) {
-            $member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
-        }
-
-        $extended = $this->extendedCan('canEdit', $member);
-        if ($extended !== null) {
-            return $extended;
-        }
-
-        return Permission::checkMember($member, "EDIT_SITECONFIG");
-    }
-
-    /**
-     * @return array
-     */
-    public function providePermissions()
-    {
-        return array(
-            'EDIT_SITECONFIG' => array(
-                'name' => _t('SiteConfig.EDIT_PERMISSION', 'Manage site configuration'),
-                'category' => _t('Permissions.PERMISSIONS_CATEGORY', 'Roles and access permissions'),
-                'help' => _t('SiteConfig.EDIT_PERMISSION_HELP', 'Ability to edit global access settings/top-level page permissions.'),
-                'sort' => 400
-            )
-        );
-    }
-
-    /**
-     * Can a user create pages in the root of this site?
-     *
-     * @param Member $member
-     * @return boolean
-     */
-    public function canCreateTopLevel($member = null)
-    {
-        if (!$member) {
-            $member = Member::currentUserID();
-        }
-        if ($member && is_numeric($member)) {
-            $member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
-        }
-
-        if ($member && Permission::checkMember($member, "ADMIN")) {
-            return true;
-        }
-
-        $extended = $this->extendedCan('canCreateTopLevel', $member);
-        if ($extended !== null) {
-            return $extended;
-        }
-
-        // check for any logged-in users with CMS permission
-        if ($this->CanCreateTopLevelType === 'LoggedInUsers'
-            && Permission::checkMember($member, $this->config()->required_permission)
-        ) {
-            return true;
-        }
-
-        // check for specific groups
-        if ($this->CanCreateTopLevelType === 'OnlyTheseUsers'
-            && $member
-            && $member->inGroups($this->CreateTopLevelGroups())
-        ) {
-            return true;
-        }
-
-        return false;
-    }
-
-    /**
-     * Add $SiteConfig to all SSViewers
-     */
-    public static function get_template_global_variables()
-    {
-        return array(
-            'SiteConfig' => 'current_site_config',
-        );
-    }
+	private static $db = array(
+		"Title" => "Varchar(255)",
+		"Tagline" => "Varchar(255)",
+		"Theme" => "Varchar(255)",
+		"CanViewType" => "Enum('Anyone, LoggedInUsers, OnlyTheseUsers', 'Anyone')",
+		"CanEditType" => "Enum('LoggedInUsers, OnlyTheseUsers', 'LoggedInUsers')",
+		"CanCreateTopLevelType" => "Enum('LoggedInUsers, OnlyTheseUsers', 'LoggedInUsers')",
+	);
+
+	private static $many_many = array(
+		"ViewerGroups" => "SilverStripe\\Security\\Group",
+		"EditorGroups" => "SilverStripe\\Security\\Group",
+		"CreateTopLevelGroups" => "SilverStripe\\Security\\Group"
+	);
+
+	private static $defaults = array(
+		"CanViewType" => "Anyone",
+		"CanEditType" => "LoggedInUsers",
+		"CanCreateTopLevelType" => "LoggedInUsers",
+	);
+
+	/**
+	 * @config
+	 *
+	 * @var array
+	 */
+	private static $disabled_themes = array();
+
+	/**
+	 * Default permission to check for 'LoggedInUsers' to create or edit pages
+	 *
+	 * @var array
+	 * @config
+	 */
+	private static $required_permission = array('CMS_ACCESS_CMSMain', 'CMS_ACCESS_LeftAndMain');
+
+
+	public function populateDefaults()
+	{
+		$this->Title = _t('SiteConfig.SITENAMEDEFAULT', "Your Site Name");
+		$this->Tagline = _t('SiteConfig.TAGLINEDEFAULT', "your tagline here");
+
+		// Allow these defaults to be overridden
+		parent::populateDefaults();
+	}
+
+	/**
+	 * Get the fields that are sent to the CMS.
+	 *
+	 * In your extensions: updateCMSFields($fields).
+	 *
+	 * @return FieldList
+	 */
+	public function getCMSFields()
+	{
+		$groupsMap = array();
+
+		foreach (Group::get() as $group) {
+			// Listboxfield values are escaped, use ASCII char instead of &raquo;
+			$groupsMap[$group->ID] = $group->getBreadcrumbs(' > ');
+		}
+		asort($groupsMap);
+
+		$fields = new FieldList(
+			new TabSet("Root",
+				$tabMain = new Tab('Main',
+					$titleField = new TextField("Title", _t('SiteConfig.SITETITLE', "Site title")),
+					$taglineField = new TextField("Tagline", _t('SiteConfig.SITETAGLINE', "Site Tagline/Slogan")),
+					$themeDropdownField = new DropdownField("Theme", _t('SiteConfig.THEME', 'Theme'), $this->getAvailableThemes())
+				),
+				$tabAccess = new Tab('Access',
+					$viewersOptionsField = new OptionsetField("CanViewType", _t('SiteConfig.VIEWHEADER', "Who can view pages on this site?")),
+					$viewerGroupsField = ListboxField::create("ViewerGroups", _t('SiteTree.VIEWERGROUPS', "Viewer Groups"))
+						->setSource($groupsMap)
+						->setAttribute(
+							'data-placeholder',
+							_t('SiteTree.GroupPlaceholder', 'Click to select group')
+						),
+					$editorsOptionsField = new OptionsetField("CanEditType", _t('SiteConfig.EDITHEADER', "Who can edit pages on this site?")),
+					$editorGroupsField = ListboxField::create("EditorGroups", _t('SiteTree.EDITORGROUPS', "Editor Groups"))
+						->setSource($groupsMap)
+						->setAttribute(
+							'data-placeholder',
+							_t('SiteTree.GroupPlaceholder', 'Click to select group')
+						),
+					$topLevelCreatorsOptionsField = new OptionsetField("CanCreateTopLevelType", _t('SiteConfig.TOPLEVELCREATE', "Who can create pages in the root of the site?")),
+					$topLevelCreatorsGroupsField = ListboxField::create("CreateTopLevelGroups", _t('SiteTree.TOPLEVELCREATORGROUPS', "Top level creators"))
+						->setSource($groupsMap)
+						->setAttribute(
+							'data-placeholder',
+							_t('SiteTree.GroupPlaceholder', 'Click to select group')
+						)
+				)
+			),
+			new HiddenField('ID')
+		);
+
+		$themeDropdownField->setEmptyString(_t('SiteConfig.DEFAULTTHEME', '(Use default theme)'));
+
+		$viewersOptionsSource = array();
+		$viewersOptionsSource["Anyone"] = _t('SiteTree.ACCESSANYONE', "Anyone");
+		$viewersOptionsSource["LoggedInUsers"] = _t('SiteTree.ACCESSLOGGEDIN', "Logged-in users");
+		$viewersOptionsSource["OnlyTheseUsers"] = _t('SiteTree.ACCESSONLYTHESE', "Only these people (choose from list)");
+		$viewersOptionsField->setSource($viewersOptionsSource);
+
+		$editorsOptionsSource = array();
+		$editorsOptionsSource["LoggedInUsers"] = _t('SiteTree.EDITANYONE', "Anyone who can log-in to the CMS");
+		$editorsOptionsSource["OnlyTheseUsers"] = _t('SiteTree.EDITONLYTHESE', "Only these people (choose from list)");
+		$editorsOptionsField->setSource($editorsOptionsSource);
+
+		$topLevelCreatorsOptionsField->setSource($editorsOptionsSource);
+
+		if (!Permission::check('EDIT_SITECONFIG')) {
+			$fields->makeFieldReadonly($viewersOptionsField);
+			$fields->makeFieldReadonly($viewerGroupsField);
+			$fields->makeFieldReadonly($editorsOptionsField);
+			$fields->makeFieldReadonly($editorGroupsField);
+			$fields->makeFieldReadonly($topLevelCreatorsOptionsField);
+			$fields->makeFieldReadonly($topLevelCreatorsGroupsField);
+			$fields->makeFieldReadonly($taglineField);
+			$fields->makeFieldReadonly($titleField);
+		}
+
+		if (file_exists(BASE_PATH . '/install.php')) {
+			$fields->addFieldToTab("Root.Main", new LiteralField("InstallWarningHeader",
+				"<p class=\"message warning\">" . _t("SiteTree.REMOVE_INSTALL_WARNING",
+				"Warning: You should remove install.php from this SilverStripe install for security reasons.")
+				. "</p>"), "Title");
+		}
+
+		$tabMain->setTitle(_t('SiteConfig.TABMAIN', "Main"));
+		$tabAccess->setTitle(_t('SiteConfig.TABACCESS', "Access"));
+		$this->extend('updateCMSFields', $fields);
+
+		return $fields;
+	}
+
+	/**
+	 * Get all available themes that haven't been marked as disabled.
+	 *
+	 * @param string $baseDir Optional alternative theme base directory for testing
+	 *
+	 * @return array of theme directory names
+	 */
+	public function getAvailableThemes($baseDir = null)
+	{
+		$themes = SSViewer::get_themes($baseDir);
+		$disabled = (array)$this->config()->disabled_themes;
+
+		foreach ($disabled as $theme) {
+			if (isset($themes[$theme])) {
+				unset($themes[$theme]);
+			}
+		}
+
+		return $themes;
+	}
+
+	/**
+	 * Get the actions that are sent to the CMS.
+	 *
+	 * In your extensions: updateEditFormActions($actions)
+	 *
+	 * @return FieldList
+	 */
+	public function getCMSActions()
+	{
+		if (Permission::check('ADMIN') || Permission::check('EDIT_SITECONFIG')) {
+			$actions = new FieldList(
+				FormAction::create('save_siteconfig', _t('CMSMain.SAVE', 'Save'))
+					->addExtraClass('ss-ui-action-constructive')->setAttribute('data-icon', 'accept')
+			);
+		} else {
+			$actions = new FieldList();
+		}
+
+		$this->extend('updateCMSActions', $actions);
+
+		return $actions;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function CMSEditLink()
+	{
+		return singleton('CMSSettingsController')->Link();
+	}
+
+	/**
+	 * Get the current sites SiteConfig, and creates a new one through
+	 * {@link make_site_config()} if none is found.
+	 *
+	 * @return SiteConfig
+	 */
+	public static function current_site_config()
+	{
+		if ($siteConfig = DataObject::get_one('SiteConfig')) {
+			return $siteConfig;
+		}
+
+		return self::make_site_config();
+	}
+
+	/**
+	 * Setup a default SiteConfig record if none exists.
+	 */
+	public function requireDefaultRecords()
+	{
+		parent::requireDefaultRecords();
+
+		$config = DataObject::get_one('SiteConfig');
+
+		if (!$config) {
+			self::make_site_config();
+
+			DB::alteration_message("Added default site config", "created");
+		}
+	}
+
+	/**
+	 * Create SiteConfig with defaults from language file.
+	 *
+	 * @return SiteConfig
+	 */
+	public static function make_site_config()
+	{
+		$config = SiteConfig::create();
+		$config->write();
+
+		return $config;
+	}
+
+	/**
+	 * Can a user view this SiteConfig instance?
+	 *
+	 * @param Member $member
+	 * @return boolean
+	 */
+	public function canView($member = null)
+	{
+		if (!$member) {
+			$member = Member::currentUserID();
+		}
+		if ($member && is_numeric($member)) {
+			$member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
+		}
+
+		$extended = $this->extendedCan('canView', $member);
+		if ($extended !== null) {
+			return $extended;
+		}
+
+		// Assuming all that can edit this object can also view it
+		return $this->canEdit($member);
+	}
+
+	/**
+	 * Can a user view pages on this site? This method is only
+	 * called if a page is set to Inherit, but there is nothing
+	 * to inherit from.
+	 *
+	 * @param Member $member
+	 * @return boolean
+	 */
+	public function canViewPages($member = null)
+	{
+		if (!$member) {
+			$member = Member::currentUserID();
+		}
+		if ($member && is_numeric($member)) {
+			$member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
+		}
+
+		if ($member && Permission::checkMember($member, "ADMIN")) {
+			return true;
+		}
+
+		$extended = $this->extendedCan('canViewPages', $member);
+		if ($extended !== null) {
+			return $extended;
+		}
+
+		if (!$this->CanViewType || $this->CanViewType == 'Anyone') {
+			return true;
+		}
+
+		// check for any logged-in users
+		if ($this->CanViewType === 'LoggedInUsers' && $member) {
+			return true;
+		}
+
+		// check for specific groups
+		if ($this->CanViewType === 'OnlyTheseUsers' && $member && $member->inGroups($this->ViewerGroups())) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Can a user edit pages on this site? This method is only
+	 * called if a page is set to Inherit, but there is nothing
+	 * to inherit from, or on new records without a parent.
+	 *
+	 * @param Member $member
+	 * @return boolean
+	 */
+	public function canEditPages($member = null)
+	{
+		if (!$member) {
+			$member = Member::currentUserID();
+		}
+		if ($member && is_numeric($member)) {
+			$member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
+		}
+
+		if ($member && Permission::checkMember($member, "ADMIN")) {
+			return true;
+		}
+
+		$extended = $this->extendedCan('canEditPages', $member);
+		if ($extended !== null) {
+			return $extended;
+		}
+
+		// check for any logged-in users with CMS access
+		if ($this->CanEditType === 'LoggedInUsers'
+			&& Permission::checkMember($member, $this->config()->required_permission)
+		) {
+			return true;
+		}
+
+			// check for specific groups
+		if ($this->CanEditType === 'OnlyTheseUsers' && $member && $member->inGroups($this->EditorGroups())) {
+			return true;
+		}
+
+		return false;
+	}
+
+	public function canEdit($member = null)
+	{
+		if (!$member) {
+			$member = Member::currentUserID();
+		}
+		if ($member && is_numeric($member)) {
+			$member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
+		}
+
+		$extended = $this->extendedCan('canEdit', $member);
+		if ($extended !== null) {
+			return $extended;
+		}
+
+		return Permission::checkMember($member, "EDIT_SITECONFIG");
+	}
+
+	/**
+	 * @return array
+	 */
+	public function providePermissions()
+	{
+		return array(
+			'EDIT_SITECONFIG' => array(
+				'name' => _t('SiteConfig.EDIT_PERMISSION', 'Manage site configuration'),
+				'category' => _t('Permissions.PERMISSIONS_CATEGORY', 'Roles and access permissions'),
+				'help' => _t('SiteConfig.EDIT_PERMISSION_HELP', 'Ability to edit global access settings/top-level page permissions.'),
+				'sort' => 400
+			)
+		);
+	}
+
+	/**
+	 * Can a user create pages in the root of this site?
+	 *
+	 * @param Member $member
+	 * @return boolean
+	 */
+	public function canCreateTopLevel($member = null)
+	{
+		if (!$member) {
+			$member = Member::currentUserID();
+		}
+		if ($member && is_numeric($member)) {
+			$member = DataObject::get_by_id('SilverStripe\\Security\\Member', $member);
+		}
+
+		if ($member && Permission::checkMember($member, "ADMIN")) {
+			return true;
+		}
+
+		$extended = $this->extendedCan('canCreateTopLevel', $member);
+		if ($extended !== null) {
+			return $extended;
+		}
+
+		// check for any logged-in users with CMS permission
+		if ($this->CanCreateTopLevelType === 'LoggedInUsers'
+			&& Permission::checkMember($member, $this->config()->required_permission)
+		) {
+			return true;
+		}
+
+		// check for specific groups
+		if ($this->CanCreateTopLevelType === 'OnlyTheseUsers'
+			&& $member
+			&& $member->inGroups($this->CreateTopLevelGroups())
+		) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Add $SiteConfig to all SSViewers
+	 */
+	public static function get_template_global_variables()
+	{
+		return array(
+			'SiteConfig' => 'current_site_config',
+		);
+	}
 }