[ 'maybe_add_rewrite_rules', 10 ],
'imagify_settings_webp_info' => 'maybe_add_webp_info',
'imagify_activation' => 'activate',
'imagify_deactivation' => 'deactivate',
];
}
/**
* If display WebP images via rewrite rules, add the rules to the .htaccess/etc file.
*
* @since 1.9
*
* @param array $values The option values.
*
* @return array
*/
public function maybe_add_rewrite_rules( $values ) {
$was_enabled = (bool) get_imagify_option( 'display_nextgen' );
$is_enabled = ! empty( $values['display_nextgen'] );
// Which method?
$old_value = get_imagify_option( 'display_nextgen_method' );
$new_value = ! empty( $values['display_nextgen_method'] ) ? $values['display_nextgen_method'] : '';
// Decide when to add or remove rules.
$is_rewrite = self::OPTION_VALUE === $new_value;
$was_rewrite = self::OPTION_VALUE === $old_value;
if ( ! $this->get_server_conf() ) {
return $values;
}
$result = false;
if ( $is_enabled && $is_rewrite && ( ! $was_enabled || ! $was_rewrite ) ) {
// Add the rewrite rules.
$result = $this->get_server_conf()->add();
} elseif ( $was_enabled && $was_rewrite && ( ! $is_enabled || ! $is_rewrite ) ) {
// Remove the rewrite rules.
$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() );
return $values;
}
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() {
global $is_nginx;
$conf = $this->get_server_conf();
if ( ! $conf ) {
return;
}
$writable = $conf->is_file_writable();
if ( is_wp_error( $writable ) ) {
$rules = $conf->get_new_contents();
if ( ! $rules ) {
// Uh?
return;
}
printf(
/* translators: %s is a file name. */
esc_html__( 'If you choose to use rewrite rules, you will have to add the following lines manually to the %s file:', 'imagify' ),
'' . $this->get_file_path( true ) . ''
);
echo '' . esc_html( $rules ) . '
';
} elseif ( $is_nginx ) {
printf(
/* translators: %s is a file name. */
esc_html__( 'If you choose to use rewrite rules, the file %s will be created and must be included into the server’s configuration file (then restart the server).', 'imagify' ),
'' . $this->get_file_path( true ) . ''
);
}
}
/**
* Add rules on plugin activation.
*
* @since 1.9
*/
public function activate() {
$conf = $this->get_server_conf();
if ( ! $conf ) {
return;
}
if ( ! get_imagify_option( 'display_nextgen' ) ) {
return;
}
if ( self::OPTION_VALUE !== get_imagify_option( 'display_nextgen_method' ) ) {
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_nextgen' ) ) {
return;
}
if ( self::OPTION_VALUE !== get_imagify_option( 'display_nextgen_method' ) ) {
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();
}
/**
* 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 server conf instance.
*
* @since 1.9
*
* @return WriteFileInterface
*/
protected function get_server_conf() {
global $is_apache, $is_iis7, $is_nginx;
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();
} elseif ( $is_nginx ) {
$this->server_conf = new Nginx();
}
return $this->server_conf;
}
}