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<?php |
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namespace epiphyt\Embed_Privacy\admin; |
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|
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use WP_Post; |
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|
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/** |
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* Admin fields functionality. |
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* |
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* @author Epiphyt |
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* @license GPL2 |
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* @package epiphyt\Embed_Privacy |
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* @since 1.10.0 |
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*/ |
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final class Fields { |
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/** |
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* @var array List of fields |
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*/ |
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public $fields = []; |
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|
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/** |
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* Initialize functions. |
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*/ |
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public function init() { |
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\add_action( 'add_meta_boxes', [ $this, 'add_meta_boxes' ] ); |
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\add_action( 'do_meta_boxes', [ self::class, 'remove_default' ] ); |
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\add_action( 'init', [ $this, 'register_default' ] ); |
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\add_action( 'save_post', [ $this, 'save' ], 10, 2 ); |
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\add_filter( 'map_meta_cap', [ self::class, 'disallow_deleting_system_embeds' ], 10, 4 ); |
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} |
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|
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/** |
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* Add meta boxes. |
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*/ |
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public function add_meta_boxes() { |
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\add_meta_box( 'embed-privacy-custom-fields', \__( 'Embed Fields', 'embed-privacy' ), [ $this, 'get' ], 'epi_embed', 'normal', 'high' ); |
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} |
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|
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/** |
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* Disallow deletion of system embeds. |
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* |
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* @param array $caps The current capabilities |
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* @param string $cap The capability to check |
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* @param int $user_id The user ID |
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* @param array $args Additional arguments |
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* @return array The updated capabilities |
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*/ |
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public static function disallow_deleting_system_embeds( array $caps, $cap, $user_id, array $args ) { |
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if ( $cap !== 'delete_post' ) { |
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return $caps; |
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} |
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|
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$post_id = \reset( $args ); |
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|
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if ( $post_id ) { |
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$post = \get_post( $post_id ); |
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|
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if ( |
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$post instanceof WP_Post |
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&& $post->post_type === 'epi_embed' |
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&& \get_post_meta( $post->ID, 'is_system', true ) === 'yes' |
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) { |
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$caps[] = 'do_not_allow'; |
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|
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return $caps; |
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} |
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} |
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|
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return $caps; |
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} |
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|
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/** |
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* Get the post meta fields HTML. |
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*/ |
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public function get() { |
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global $post; |
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|
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foreach ( $this->fields as $field ) { |
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if ( $field['field_type'] !== 'input' || empty( $field['type'] ) || $field['type'] !== 'hidden' ) { |
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continue; |
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} |
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|
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$field['value'] = (string) \get_post_meta( $post->ID, $field['name'], true ); |
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?> |
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<input type="hidden" name="<?php echo \esc_attr( $field['name'] ); ?>" value="<?php echo \esc_attr( $field['value'] ); ?>"> |
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<?php |
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} |
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?> |
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<table class="form-table" role="presentation"> |
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<tbody> |
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<?php |
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foreach ( $this->fields as $field ) { |
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// set default field type if no one is available |
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if ( empty( $field['field_type'] ) ) { |
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$field['field_type'] = 'input'; |
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} |
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|
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switch ( $field['field_type'] ) { |
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case 'image': |
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Field::get_image( $post->ID, $field ); |
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break; |
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case 'input': |
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default: |
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Field::get( $field, $post->ID ); |
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break; |
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} |
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} |
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|
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/** |
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* Output additional fields. |
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* |
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* @param int $post_id The current post ID |
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*/ |
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$fields = \apply_filters( 'embed_privacy_editor_fields', $post->ID ); |
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|
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if ( $fields !== $post->ID ) { |
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echo $fields; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
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} |
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?> |
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</tbody> |
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</table> |
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<?php |
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} |
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|
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/** |
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* Register fields. |
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* |
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* @param array $fields Fields to register |
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*/ |
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public function register( array $fields = [] ) { |
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/** |
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* Register additional fields. |
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* Use \epiphyt\Embed_Privacy\Fields::get_instance()->register( $fields ) |
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* if possible (be careful, as this needs a call after textdomain has been loaded). |
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* |
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* @param array $fields Additional fields |
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*/ |
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$additional_fields = \apply_filters( 'embed_privacy_register_fields', [] ); |
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|
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if ( ! \is_array( $additional_fields ) ) { |
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\wp_die( |
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new \WP_Error( // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
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'invalid_fields', |
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\esc_html__( 'Invalid value for additional Embed Privacy fields provided.', 'embed-privacy' ) |
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) |
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); |
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} |
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|
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// merge fields |
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$this->fields = \array_merge( $this->fields, $fields, $additional_fields ); |
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|
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/** |
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* Filter all registered fields. |
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* |
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* @param array $fields Registered fields |
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*/ |
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$this->fields = \apply_filters( 'embed_privacy_fields', $this->fields ); |
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} |
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|
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/** |
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* Register default fields. |
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*/ |
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public function register_default() { |
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$this->register( [ // phpcs:ignore SlevomatCodingStandard.Arrays.AlphabeticallySortedByKeys.IncorrectKeyOrder |
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'privacy_policy_url' => [ |
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'description' => \__( 'Link to the embed provider’s privacy policy URL.', 'embed-privacy' ), |
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'field_type' => 'input', |
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'name' => 'privacy_policy_url', |
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'title' => \__( 'Privacy Policy URL', 'embed-privacy' ), |
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'type' => 'url', |
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], |
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'background_image' => [ |
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'field_type' => 'image', |
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'name' => 'background_image', |
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'title' => \__( 'Background Image', 'embed-privacy' ), |
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], |
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'regex_default' => [ |
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'description' => \sprintf( |
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/* translators: link to documentation */ |
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\__( 'Regular expression that will be searched for in the content. See the %s for more information.', 'embed-privacy' ), |
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'<a href="' . \esc_url( |
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\sprintf( |
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/* translators: plugin version */ |
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\__( 'https://epiph.yt/en/embed-privacy/documentation/?version=%s#regex-pattern', 'embed-privacy' ), |
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\EMBED_PRIVACY_VERSION |
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) |
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) . '" target="_blank" rel="noopener noreferrer">' . \esc_html__( 'documentation', 'embed-privacy' ) . '</a>' |
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), |
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'field_type' => 'input', |
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'name' => 'regex_default', |
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'title' => \__( 'Regex Pattern', 'embed-privacy' ), |
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'validation' => 'allow-links', |
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], |
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'is_disabled' => [ |
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'field_type' => 'input', |
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'name' => 'is_disabled', |
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'title' => \__( 'Disable embed provider', 'embed-privacy' ), |
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'type' => 'checkbox', |
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], |
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'is_system' => [ |
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'field_type' => 'input', |
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'name' => 'is_system', |
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'title' => '', |
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'type' => 'hidden', |
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], |
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] ); |
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} |
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|
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/** |
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* Remove default meta box "Custom Fields”. |
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*/ |
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public static function remove_default() { |
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foreach ( [ 'normal', 'advanced', 'side' ] as $context ) { |
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\remove_meta_box( 'postcustom', 'epi_embed', $context ); |
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} |
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} |
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|
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/** |
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* Sanitize an array recursively. |
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* |
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* @param array $array The array to sanitize |
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* @return array The sanitized array |
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*/ |
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private static function sanitize_array( array $array ) { |
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foreach ( $array as &$value ) { |
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if ( \is_array( $value ) ) { |
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$value = self::sanitize_array( $value ); |
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} |
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else { |
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$value = \trim( \sanitize_text_field( \wp_unslash( $value ) ) ); |
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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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|
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/** |
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* Save the fields as post meta. |
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* |
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* @param int $post_id The ID of the post |
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* @param \WP_Post $post The post object |
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*/ |
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public function save( $post_id, $post ) { |
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// ignore other post types |
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if ( $post->post_type !== 'epi_embed' ) { |
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return; |
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} |
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|
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if ( |
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( |
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// plugin update |
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( |
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! isset( $_GET['activate'] ) |
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|| $_GET['activate'] !== 'true' |
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) |
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// manual post update |
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|| ( |
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! \get_current_screen() |
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|| empty( \get_current_screen()->action ) |
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|| ( |
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\get_current_screen()->action !== 'add' |
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&& ! \check_admin_referer( 'update-post_' . $post_id ) |
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) |
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) |
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) |
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&& \current_action() !== 'save_post' |
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) { |
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return; |
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} |
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|
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// ignore actions to trash the post |
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if ( |
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! empty( $_GET['action'] ) |
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&& \in_array( \sanitize_text_field( \wp_unslash( $_GET['action'] ) ), [ 'trash', 'untrash' ], true ) |
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) { |
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return; |
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} |
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|
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// ignore inline saves |
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if ( ! empty( $_POST['action'] ) && \sanitize_text_field( \wp_unslash( $_POST['action'] ) ) === 'inline-save' ) { |
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return; |
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} |
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|
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// verify capability |
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if ( |
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! \defined( 'WP_CLI' ) && ! \current_user_can( 'edit_posts', $post_id ) |
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|| \defined( 'WP_CLI' ) && ! \WP_CLI |
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) { |
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\wp_die( new \WP_Error( 403, \esc_html__( 'You are not allowed to edit an embed.', 'embed-privacy' ) ) ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
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} |
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|
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if ( \defined( 'WP_CLI' ) && \WP_CLI ) { |
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return; |
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} |
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|
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foreach ( $this->fields as $field ) { |
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if ( empty( $_POST[ $field['name'] ] ) ) { |
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\delete_post_meta( $post_id, $field['name'] ); |
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|
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continue; |
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} |
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|
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// sanitizing |
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// phpcs:disable WordPress.Security.ValidatedSanitizedInput.InputNotSanitized |
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if ( \is_array( $_POST[ $field['name'] ] ) ) { |
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$value = self::sanitize_array( \wp_unslash( $_POST[ $field['name'] ] ) ); |
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} |
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else if ( ! \str_contains( $field['name'], 'regex' ) ) { |
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$value = \sanitize_text_field( \wp_unslash( $_POST[ $field['name'] ] ) ); |
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} |
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else { |
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$value = (string) \wp_unslash( $_POST[ $field['name'] ] ); |
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} |
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// phpcs:enable |
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|
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\update_post_meta( $post_id, $field['name'], $value ); |
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} |
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|
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$files = self::validate_files(); |
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|
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foreach ( $files as $field_name => $file ) { |
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// upload file directly into library |
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$attachment_id = self::upload_file( $file ); |
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|
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if ( $attachment_id ) { |
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$attachment_id_list[ $field_name ] = $attachment_id; |
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} |
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} |
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|
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// store or remove attachment IDs in the database |
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if ( ! empty( $attachment_id_list ) ) { |
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foreach ( $attachment_id_list as $field_name => $attachment_ids ) { |
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// add uploaded files to POST data to prevent deleting data on |
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// second execution of save_post |
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$_POST[ $field_name ] = $attachment_ids; |
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|
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\update_post_meta( $post_id, $field_name, $attachment_ids ); |
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} |
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} |
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} |
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|
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/** |
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* Upload a file as attachment. |
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* |
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* @param array $file The file to upload |
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* @return int The attachment ID |
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*/ |
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public static function upload_file( array $file ) { |
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// store file in the uploads folder |
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$upload_file = \wp_upload_bits( $file['name'], null, $file['content'] ); |
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|
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if ( isset( $upload_file['error'] ) && $upload_file['error'] ) { |
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return 0; |
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} |
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|
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// get attachment data |
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$attachment = [ |
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'post_content' => '', |
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'post_mime_type' => $upload_file['type'], |
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'post_status' => 'inherit', |
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'post_title' => \sanitize_title( $file['name'] ), |
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]; |
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// save the file as attachment |
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$attachment_id = \wp_insert_attachment( $attachment, $upload_file['file'] ); |
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|
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if ( \is_wp_error( $attachment_id ) ) { |
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return 0; |
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} |
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|
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// make wp_generate_attachment_metadata() available |
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// see https://wordpress.stackexchange.com/a/261262 |
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include_once \ABSPATH . 'wp-admin/includes/image.php'; |
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// generate meta data |
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\wp_update_attachment_metadata( $attachment_id, \wp_generate_attachment_metadata( $attachment_id, $upload_file['file'] ) ); |
| 374 |
|
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return $attachment_id; |
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} |
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|
| 378 |
/** |
| 379 |
* Validate all files. |
| 380 |
* |
| 381 |
* @return array The updated form fields |
| 382 |
*/ |
| 383 |
private static function validate_files() { |
| 384 |
global $wp_filesystem; |
| 385 |
|
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// initialize the WP filesystem if not exists |
| 387 |
if ( empty( $wp_filesystem ) ) { |
| 388 |
require_once \ABSPATH . 'wp-admin/includes/file.php'; |
| 389 |
\WP_Filesystem(); |
| 390 |
} |
| 391 |
|
| 392 |
/** |
| 393 |
* Set the option names to look for files. |
| 394 |
* |
| 395 |
* @param array The default name list |
| 396 |
*/ |
| 397 |
$valid_files = \apply_filters( 'embed_privacy_valid_files', [ 'background_image' ] ); |
| 398 |
$validated = []; |
| 399 |
|
| 400 |
if ( empty( $_FILES ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing |
| 401 |
return $validated; |
| 402 |
} |
| 403 |
|
| 404 |
foreach ( $_FILES as $key => $files ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing |
| 405 |
if ( ! \in_array( $key, $valid_files, true ) ) { // check valid files |
| 406 |
continue; |
| 407 |
} |
| 408 |
|
| 409 |
$validated[ $key ] = [ |
| 410 |
'content' => $wp_filesystem->get_contents( $files['tmp_name'] ), |
| 411 |
'name' => $files['name'], |
| 412 |
'tmp_name' => $files['tmp_name'], |
| 413 |
]; |
| 414 |
} |
| 415 |
|
| 416 |
// remove files once processed |
| 417 |
unset( $_FILES ); |
| 418 |
|
| 419 |
return $validated; |
| 420 |
} |
| 421 |
} |
| 422 |
|
