170 lines
3.3 KiB
PHP
170 lines
3.3 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Imagify\Avif;
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use Imagify\EventManagement\SubscriberInterface;
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use Imagify\Notices\Notices;
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use Imagify\WriteFile\WriteFileInterface;
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/**
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* Display AVIF images on the site using picture tag.
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*/
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class Display implements SubscriberInterface {
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/**
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* Server conf object.
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*
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* @var WriteFileInterface|null
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* @since 1.9
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*/
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protected $server_conf = null;
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/**
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* Returns an array of events this subscriber listens to
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*
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* @return array
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*/
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public static function get_subscribed_events() {
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return [
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'imagify_settings_on_save' => [ 'maybe_add_rewrite_rules', 12 ],
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'imagify_activation' => 'activate',
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'imagify_deactivation' => 'deactivate',
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];
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}
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/**
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* If display Next-Gen images, add the AVIF type to the .htaccess/etc file.
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*
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* @since 1.9
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*
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* @param array $values The option values.
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*
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* @return array
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*/
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public function maybe_add_rewrite_rules( $values ) {
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if ( ! $this->get_server_conf() ) {
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return $values;
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}
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$enabled = isset( $values['display_nextgen'] ) ? true : false;
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$result = false;
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if ( $enabled ) {
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// Add the AVIF file type.
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$result = $this->get_server_conf()->add();
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} elseif ( ! $enabled ) {
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// Remove the AVIF file type.
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$result = $this->get_server_conf()->remove();
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}
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if ( ! is_wp_error( $result ) ) {
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return $values;
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}
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// Display an error message.
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if ( is_multisite() && strpos( wp_get_referer(), network_admin_url( '/' ) ) === 0 ) {
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Notices::get_instance()->add_network_temporary_notice( $result->get_error_message() );
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return $values;
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}
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Notices::get_instance()->add_site_temporary_notice( $result->get_error_message() );
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return $values;
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}
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/**
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* Add rules on plugin activation.
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*
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* @since 1.9
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*/
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public function activate() {
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$conf = $this->get_server_conf();
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if ( ! $conf ) {
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return;
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}
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if ( ! get_imagify_option( 'display_nextgen' ) ) {
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return;
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}
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if ( is_wp_error( $conf->is_file_writable() ) ) {
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return;
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}
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$conf->add();
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}
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/**
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* Remove rules on plugin deactivation.
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*
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* @since 1.9
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*/
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public function deactivate() {
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$conf = $this->get_server_conf();
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if ( ! $conf ) {
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return;
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}
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$file_path = $conf->get_file_path();
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$filesystem = \Imagify_Filesystem::get_instance();
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if ( ! $filesystem->exists( $file_path ) ) {
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return;
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}
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if ( ! $filesystem->is_writable( $file_path ) ) {
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return;
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}
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$conf->remove();
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}
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/**
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* Get the path to the directory conf file.
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*
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* @since 1.9
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*
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* @param bool $relative True to get a path relative to the site’s root.
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* @return string|bool The file path. False on failure.
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*/
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public function get_file_path( $relative = false ) {
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if ( ! $this->get_server_conf() ) {
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return false;
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}
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$file_path = $this->get_server_conf()->get_file_path();
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if ( $relative ) {
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return \Imagify_Filesystem::get_instance()->make_path_relative( $file_path );
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}
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return $file_path;
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}
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/**
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* Get the server conf instance.
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* Note: nothing needed for nginx.
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*
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* @since 1.9
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*
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* @return WriteFileInterface
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*/
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protected function get_server_conf() {
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global $is_apache, $is_iis7;
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if ( isset( $this->server_conf ) ) {
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return $this->server_conf;
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}
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if ( $is_apache ) {
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$this->server_conf = new Apache();
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} elseif ( $is_iis7 ) {
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$this->server_conf = new IIS();
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}
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return $this->server_conf;
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}
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}
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