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<?php |
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namespace SilverStripe\AssetAdmin\Forms; |
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use Embed\Exceptions\InvalidUrlException; |
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use InvalidArgumentException; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Control\Director; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Core\Extensible; |
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use SilverStripe\Forms\CompositeField; |
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use SilverStripe\Forms\FieldGroup; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\Forms\Form; |
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use SilverStripe\Forms\FormAction; |
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use SilverStripe\Forms\FormFactory; |
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use SilverStripe\Forms\HiddenField; |
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use SilverStripe\Forms\HTMLEditor\HTMLEditorField_Embed; |
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use SilverStripe\Forms\LabelField; |
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use SilverStripe\Forms\LiteralField; |
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use SilverStripe\Forms\OptionsetField; |
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use SilverStripe\Forms\ReadonlyField; |
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use SilverStripe\Forms\RequiredFields; |
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use SilverStripe\Forms\TextField; |
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class RemoteFileFormFactory implements FormFactory |
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{ |
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use Extensible; |
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use Configurable; |
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private static $fileurl_scheme_whitelist = ['http', 'https']; |
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private static $fileurl_domain_whitelist = []; |
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/** |
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* @param Controller $controller |
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* @param string $name |
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* @param array $context |
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* @return Form |
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*/ |
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public function getForm(Controller $controller, $name = self::DEFAULT_NAME, $context = []) |
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{ |
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// Validate context |
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foreach ($this->getRequiredContext() as $required) { |
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if (!isset($context[$required])) { |
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throw new InvalidArgumentException("Missing required context $required"); |
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} |
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} |
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$fields = $this->getFormFields($controller, $name, $context); |
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$actions = $this->getFormActions($controller, $name, $context); |
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$validator = new RequiredFields(); |
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$form = Form::create($controller, $name, $fields, $actions, $validator); |
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$form->addExtraClass('form--fill-height'); |
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$form->addExtraClass('form--no-dividers'); |
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$form->addExtraClass('insert-embed-modal--'. strtolower($context['type'])); |
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// Extend form |
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$this->invokeWithExtensions('updateForm', $form, $controller, $name, $context); |
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return $form; |
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} |
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public function getRequiredContext() |
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{ |
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return ['type']; |
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} |
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protected function getFormFields($controller, $name, $context) |
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{ |
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$fields = []; |
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$url = (isset($context['url'])) ? $context['url'] : null; |
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if ($context['type'] === 'create') { |
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$fields = [ |
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LabelField::create('UrlDescription', _t( |
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'RemoteFileForm.UrlDescription', |
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'Embed Youtube and Vimeo videos, images and other media directly from the web.' |
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)), |
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TextField::create('Url', ''), |
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]; |
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} |
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if ($context['type'] === 'edit' && $url && $this->validateUrl($url)) { |
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$embed = $this->getEmbed($url); |
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$alignments = array( |
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'leftAlone' => _t('AssetAdmin.AlignmentLeftAlone', 'Left'), |
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'center' => _t('AssetAdmin.AlignmentCenter', 'Center'), |
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'rightAlone' => _t('AssetAdmin.AlignmentRightAlone', 'Right'), |
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'left' => _t('AssetAdmin.AlignmentLeft', 'Left wrap'), |
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'right' => _t('AssetAdmin.AlignmentRight', 'Right wrap'), |
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); |
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$fields = CompositeField::create([ |
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LiteralField::create( |
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'Preview', |
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sprintf( |
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'<img src="%s" class="%s" />', |
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$embed->getPreviewURL(), |
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'insert-embed-modal__preview' |
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) |
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)->addExtraClass('insert-embed-modal__preview-container'), |
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HiddenField::create('PreviewUrl', 'PreviewUrl', $embed->getPreviewURL()), |
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CompositeField::create([ |
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ReadonlyField::create('Url', $embed->getName(), $url), |
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TextField::create('CaptionText', _t('AssetAdmin.Caption', 'Caption')), |
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OptionsetField::create( |
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'Placement', |
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_t('AssetAdmin.Placement', 'Placement'), |
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$alignments |
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) |
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->addExtraClass('insert-embed-modal__placement'), |
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FieldGroup::create( |
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_t('AssetAdmin.ImageSpecs', 'Dimensions'), |
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TextField::create( |
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'Width', |
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_t('AssetAdmin.ImageWidth', 'Width'), |
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$embed->getWidth() |
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) |
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->setMaxLength(5) |
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->addExtraClass('flexbox-area-grow'), |
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TextField::create( |
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'Height', |
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_t('AssetAdmin.ImageHeight', 'Height'), |
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$embed->getHeight() |
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) |
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->setMaxLength(5) |
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->addExtraClass('flexbox-area-grow') |
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)->addExtraClass('fieldgroup--fill-width') |
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])->addExtraClass('flexbox-area-grow'), |
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])->addExtraClass('insert-embed-modal__fields--fill-width'); |
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} |
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return FieldList::create($fields); |
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} |
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protected function getFormActions($controller, $name, $context) |
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{ |
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$actions = []; |
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if ($context['type'] === 'create') { |
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$actions = [ |
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FormAction::create('addmedia', _t('RemoteFileForm.AddMedia', 'Add media')) |
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->setSchemaData(['data' => ['buttonStyle' => 'primary']]), |
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]; |
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} |
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if ($context['type'] === 'edit') { |
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$actions = [ |
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FormAction::create('insertmedia', _t('RemoteFileForm.InsertMedia', 'Insert media')) |
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->setSchemaData(['data' => ['buttonStyle' => 'primary']]), |
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FormAction::create('cancel', _t('RemoteFileForm.Cancel', 'Cancel')), |
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]; |
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} |
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return FieldList::create($actions); |
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} |
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/** |
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* @param $url |
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* @return bool |
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* @throws InvalidUrlException |
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*/ |
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protected function validateUrl($url) |
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{ |
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if (!Director::is_absolute_url($url)) { |
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throw new InvalidUrlException(_t( |
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"HTMLEditorField_Toolbar.ERROR_ABSOLUTE", |
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"Only absolute urls can be embedded" |
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)); |
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} |
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$scheme = strtolower(parse_url($url, PHP_URL_SCHEME)); |
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$allowed_schemes = self::config()->get('fileurl_scheme_whitelist'); |
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if (!$scheme || ($allowed_schemes && !in_array($scheme, $allowed_schemes))) { |
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throw new InvalidUrlException(_t( |
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"HTMLEditorField_Toolbar.ERROR_SCHEME", |
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"This file scheme is not included in the whitelist" |
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)); |
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} |
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$domain = strtolower(parse_url($url, PHP_URL_HOST)); |
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$allowed_domains = self::config()->get('fileurl_domain_whitelist'); |
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if (!$domain || ($allowed_domains && !in_array($domain, $allowed_domains))) { |
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throw new InvalidUrlException(_t( |
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"HTMLEditorField_Toolbar.ERROR_HOSTNAME", |
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"This file hostname is not included in the whitelist" |
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)); |
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} |
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return true; |
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} |
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protected function getEmbed($url) |
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{ |
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$embed = new HTMLEditorField_Embed($url); |
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return $embed; |
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} |
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} |
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silverstripe /
silverstripe-asset-admin
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This check marks private properties in classes that are never used. Those properties can be removed.