init();
RewriteRules\Display::get_instance()->init();
}
/** ----------------------------------------------------------------------------------------- */
/** HOOKS =================================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* If display WebP images, add the WebP type to the .htaccess/etc file.
*
* @since 1.9
*
* @param array $values The option values.
* @return array
*/
public function maybe_add_rewrite_rules( $values ) {
$old_value = (bool) get_imagify_option( 'display_webp' );
// See \Imagify_Options->validate_values_on_update() for why we use 'convert_to_webp' here.
$new_value = ! empty( $values['display_webp'] ) && ! empty( $values['convert_to_webp'] );
if ( $old_value === $new_value ) {
// No changes.
return $values;
}
if ( ! $this->get_server_conf() ) {
return $values;
}
if ( $new_value ) {
// Add the WebP file type.
$result = $this->get_server_conf()->add();
} else {
// Remove the WebP file type.
$result = $this->get_server_conf()->remove();
}
if ( ! is_wp_error( $result ) ) {
return $values;
}
// Display an error message.
if ( is_multisite() && strpos( wp_get_referer(), network_admin_url( '/' ) ) === 0 ) {
Notices::get_instance()->add_network_temporary_notice( $result->get_error_message() );
} else {
Notices::get_instance()->add_site_temporary_notice( $result->get_error_message() );
}
return $values;
}
/**
* If the conf file is not writable, add a warning.
*
* @since 1.9
*/
public function maybe_add_webp_info() {
$conf = $this->get_server_conf();
if ( ! $conf ) {
return;
}
$writable = $conf->is_file_writable();
if ( ! is_wp_error( $writable ) ) {
return;
}
$rules = $conf->get_new_contents();
if ( ! $rules ) {
// Uh?
return;
}
echo '
';
printf(
/* translators: %s is a file name. */
esc_html__( 'Imagify does not seem to be able to edit or create a %s file, you will have to add the following lines manually to it:', 'imagify' ),
'' . $this->get_file_path( true ) . ''
);
echo '' . esc_html( $rules ) . '
';
}
/**
* Add rules on plugin activation.
*
* @since 1.9
*/
public function activate() {
$conf = $this->get_server_conf();
if ( ! $conf ) {
return;
}
if ( ! get_imagify_option( 'display_webp' ) ) {
return;
}
if ( is_wp_error( $conf->is_file_writable() ) ) {
return;
}
$conf->add();
}
/**
* Remove rules on plugin deactivation.
*
* @since 1.9
*/
public function deactivate() {
$conf = $this->get_server_conf();
if ( ! $conf ) {
return;
}
if ( ! get_imagify_option( 'display_webp' ) ) {
return;
}
$file_path = $conf->get_file_path();
$filesystem = \Imagify_Filesystem::get_instance();
if ( ! $filesystem->exists( $file_path ) ) {
return;
}
if ( ! $filesystem->is_writable( $file_path ) ) {
return;
}
$conf->remove();
}
/** ----------------------------------------------------------------------------------------- */
/** TOOLS =================================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Get the path to the directory conf file.
*
* @since 1.9
*
* @param bool $relative True to get a path relative to the site’s root.
* @return string|bool The file path. False on failure.
*/
public function get_file_path( $relative = false ) {
if ( ! $this->get_server_conf() ) {
return false;
}
$file_path = $this->get_server_conf()->get_file_path();
if ( $relative ) {
return \Imagify_Filesystem::get_instance()->make_path_relative( $file_path );
}
return $file_path;
}
/**
* Get the WebP display method by validating the given value.
*
* @since 1.9
*
* @param array $values The option values.
* @return string 'picture' or 'rewrite'.
*/
public function get_display_webp_method( $values ) {
$options = \Imagify_Options::get_instance();
$default = $options->get_default_values();
$default = $default['display_webp_method'];
$method = ! empty( $values['display_webp_method'] ) ? $values['display_webp_method'] : '';
return $options->sanitize_and_validate( 'display_webp_method', $method, $default );
}
/**
* Get the server conf instance.
* Note: nothing needed for nginx.
*
* @since 1.9
*
* @return \Imagify\WriteFile\WriteFileInterface
*/
protected function get_server_conf() {
global $is_apache, $is_iis7;
if ( isset( $this->server_conf ) ) {
return $this->server_conf;
}
if ( $is_apache ) {
$this->server_conf = new Apache();
} elseif ( $is_iis7 ) {
$this->server_conf = new IIS();
} else {
$this->server_conf = false;
}
return $this->server_conf;
}
}