343 lines
10 KiB
PHP
343 lines
10 KiB
PHP
<?php
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use Imagify\User\User;
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defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
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/**
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* Class used to check that Imagify has everything it needs.
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*
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* @since 1.7.1
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* @author Grégory Viguier
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*/
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class Imagify_Requirements {
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/**
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* Cache the test results.
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*
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* @var object
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* @access protected
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* @since 1.7.1
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* @author Grégory Viguier
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*/
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protected static $supports = array();
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/** ----------------------------------------------------------------------------------------- */
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/** SERVER ================================================================================== */
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/** ----------------------------------------------------------------------------------------- */
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/**
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* Test for cURL.
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*
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* @since 1.7.1
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* @access public
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* @author Grégory Viguier
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*
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* @param bool $reset_cache True to get a fresh value.
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* @return bool
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*/
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public static function supports_curl( $reset_cache = false ) {
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if ( $reset_cache || ! isset( self::$supports['curl'] ) ) {
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self::$supports['curl'] = function_exists( 'curl_init' ) && function_exists( 'curl_exec' );
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}
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return self::$supports['curl'];
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}
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/**
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* Test for imageMagick and GD.
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* Similar to _wp_image_editor_choose(), but allows to test for multiple mime types at once.
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*
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* @since 1.7.1
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* @access public
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* @see _wp_image_editor_choose()
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* @author Grégory Viguier
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*
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* @param bool $reset_cache True to get a fresh value.
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* @return bool
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*/
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public static function supports_image_editor( $reset_cache = false ) {
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if ( ! $reset_cache && isset( self::$supports['image_editor'] ) ) {
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return self::$supports['image_editor'];
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}
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require_once ABSPATH . WPINC . '/class-wp-image-editor.php';
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require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';
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require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';
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self::$supports['image_editor'] = false;
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$args = array(
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'path' => IMAGIFY_PATH . 'assets/images/imagify-logo.png',
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'mime_types' => imagify_get_mime_types( 'image' ),
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'methods' => Imagify_Attachment::get_editor_methods(),
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);
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/** This filter is documented in /wp-includes/media.php. */
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$implementations = apply_filters( 'wp_image_editors', array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) );
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foreach ( $implementations as $implementation ) {
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if ( ! call_user_func( array( $implementation, 'test' ), $args ) ) {
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continue;
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}
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foreach ( $args['mime_types'] as $mime_type ) {
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if ( ! call_user_func( array( $implementation, 'supports_mime_type' ), $mime_type ) ) {
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continue 2;
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}
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}
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if ( array_diff( $args['methods'], get_class_methods( $implementation ) ) ) {
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continue;
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}
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self::$supports['image_editor'] = true;
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break;
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}
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return self::$supports['image_editor'];
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}
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/** ----------------------------------------------------------------------------------------- */
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/** WORDPRESS =============================================================================== */
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/** ----------------------------------------------------------------------------------------- */
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/**
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* Test for the uploads directory.
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*
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* @since 1.7.1
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* @access public
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* @author Grégory Viguier
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*
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* @param bool $reset_cache True to get a fresh value.
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* @return bool
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*/
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public static function supports_uploads( $reset_cache = false ) {
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if ( ! $reset_cache && isset( self::$supports['uploads'] ) ) {
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return self::$supports['uploads'];
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}
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self::$supports['uploads'] = Imagify_Filesystem::get_instance()->get_upload_basedir();
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if ( self::$supports['uploads'] ) {
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self::$supports['uploads'] = Imagify_Filesystem::get_instance()->is_writable( self::$supports['uploads'] );
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}
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return self::$supports['uploads'];
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}
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/**
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* Test if external requests are blocked for Imagify.
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*
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* @since 1.7.1
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* @access public
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* @author Grégory Viguier
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*
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* @param bool $reset_cache True to get a fresh value.
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* @return bool
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*/
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public static function is_imagify_blocked( $reset_cache = false ) {
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if ( ! $reset_cache && isset( self::$supports['imagify_blocked'] ) ) {
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return self::$supports['imagify_blocked'];
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}
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if ( ! defined( 'WP_HTTP_BLOCK_EXTERNAL' ) || ! WP_HTTP_BLOCK_EXTERNAL ) {
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self::$supports['imagify_blocked'] = false;
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return self::$supports['imagify_blocked'];
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}
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if ( ! defined( 'WP_ACCESSIBLE_HOSTS' ) ) {
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self::$supports['imagify_blocked'] = true;
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return self::$supports['imagify_blocked'];
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}
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$accessible_hosts = explode( ',', WP_ACCESSIBLE_HOSTS );
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$accessible_hosts = array_map( 'trim', $accessible_hosts );
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$accessible_hosts = array_flip( $accessible_hosts );
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if ( isset( $accessible_hosts['*.imagify.io'] ) ) {
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self::$supports['imagify_blocked'] = false;
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return self::$supports['imagify_blocked'];
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}
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if ( isset( $accessible_hosts['imagify.io'], $accessible_hosts['app.imagify.io'], $accessible_hosts['storage.imagify.io'] ) ) {
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self::$supports['imagify_blocked'] = false;
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return self::$supports['imagify_blocked'];
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}
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self::$supports['imagify_blocked'] = true;
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return self::$supports['imagify_blocked'];
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}
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/** ----------------------------------------------------------------------------------------- */
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/** IMAGIFY BACKUP DIRECTORIES ============================================================== */
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/** ----------------------------------------------------------------------------------------- */
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/**
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* Test for the attachments backup directory.
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*
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* @since 1.7.1
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* @access public
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* @author Grégory Viguier
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*
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* @param bool $reset_cache True to get a fresh value.
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* @return bool
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*/
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public static function attachments_backup_dir_is_writable( $reset_cache = false ) {
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if ( $reset_cache || ! isset( self::$supports['attachment_backups'] ) ) {
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self::$supports['attachment_backups'] = imagify_backup_dir_is_writable();
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}
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return self::$supports['attachment_backups'];
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}
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/**
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* Test for the custom folders backup directory.
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*
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* @since 1.7.1
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* @access public
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* @author Grégory Viguier
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*
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* @param bool $reset_cache True to get a fresh value.
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* @return bool
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*/
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public static function custom_folders_backup_dir_is_writable( $reset_cache = false ) {
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if ( $reset_cache || ! isset( self::$supports['custom_folder_backups'] ) ) {
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self::$supports['custom_folder_backups'] = Imagify_Custom_Folders::backup_dir_is_writable();
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}
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return self::$supports['custom_folder_backups'];
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}
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/** ----------------------------------------------------------------------------------------- */
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/** IMAGIFY API ============================================================================= */
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/** ----------------------------------------------------------------------------------------- */
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/**
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* Determine if the Imagify API is available by checking the API version.
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* The result is cached for 3 minutes.
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*
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* @since 1.7.1
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* @access public
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* @author Grégory Viguier
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*
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* @param bool $reset_cache True to get a fresh value.
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* @return bool
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*/
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public static function is_api_up( $reset_cache = false ) {
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if ( ! $reset_cache && isset( self::$supports['api_up'] ) ) {
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return self::$supports['api_up'];
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}
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$transient_name = 'imagify_check_api_version';
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$transient_expiration = 3 * MINUTE_IN_SECONDS;
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$transient_value = $reset_cache ? false : get_site_transient( $transient_name );
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if ( false !== $transient_value ) {
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self::$supports['api_up'] = (bool) $transient_value;
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return self::$supports['api_up'];
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}
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self::$supports['api_up'] = ! is_wp_error( get_imagify_api_version() );
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$transient_value = (int) self::$supports['api_up'];
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set_site_transient( $transient_name, $transient_value, $transient_expiration );
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return self::$supports['api_up'];
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}
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/**
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* Test for the Imagify API key validity.
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* A positive result is cached for 1 year.
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*
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* @since 1.7.1
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* @access public
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* @author Grégory Viguier
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*
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* @param bool $reset_cache True to get a fresh value.
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* @return bool
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*/
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public static function is_api_key_valid( $reset_cache = false ) {
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if ( $reset_cache ) {
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self::reset_cache( 'api_key_valid' );
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}
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if ( isset( self::$supports['api_key_valid'] ) ) {
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return self::$supports['api_key_valid'];
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}
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if ( ! Imagify_Options::get_instance()->get( 'api_key' ) ) {
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self::$supports['api_key_valid'] = false;
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return self::$supports['api_key_valid'];
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}
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if ( get_site_transient( 'imagify_check_licence_1' ) ) {
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self::$supports['api_key_valid'] = true;
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return self::$supports['api_key_valid'];
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}
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if ( is_wp_error( get_imagify_user() ) ) {
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self::$supports['api_key_valid'] = false;
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return self::$supports['api_key_valid'];
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}
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self::$supports['api_key_valid'] = true;
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set_site_transient( 'imagify_check_licence_1', 1, YEAR_IN_SECONDS );
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return self::$supports['api_key_valid'];
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}
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/**
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* Test for the Imagify account quota.
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*
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* @since 1.7.1
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* @since 1.9.9 Return false when the API cannot be reached.
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* @access public
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* @author Grégory Viguier
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*
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* @param bool $reset_cache True to get a fresh value.
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* @return bool True when over quota. False otherwise, even when the API cannot be reached.
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*/
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public static function is_over_quota( $reset_cache = false ) {
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if ( ! $reset_cache && isset( self::$supports['over_quota'] ) ) {
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return self::$supports['over_quota'];
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}
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$user = new User();
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self::$supports['over_quota'] = $user->get_error() ? false : $user->is_over_quota();
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return self::$supports['over_quota'];
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}
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/** ----------------------------------------------------------------------------------------- */
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/** CLASS CACHE ============================================================================= */
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/** ----------------------------------------------------------------------------------------- */
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/**
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* Reset a test cache.
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*
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* @since 1.7.1
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* @access public
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* @author Grégory Viguier
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*
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* @param string $cache_key Cache key.
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*/
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public static function reset_cache( $cache_key ) {
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unset( self::$supports[ $cache_key ] );
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$transients = array(
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'api_up' => 'imagify_check_api_version',
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'api_key_valid' => 'imagify_check_licence_1',
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);
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if ( isset( $transients[ $cache_key ] ) && get_site_transient( $transients[ $cache_key ] ) ) {
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delete_site_transient( $transients[ $cache_key ] );
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}
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}
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}
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