'web',
'url' => '',
'plugin' => '',
'nonce' => '',
'title' => '',
'overwrite' => '',
);
$args = wp_parse_args( $args, $defaults );
$this->type = $args['type'];
$this->url = $args['url'];
$this->api = isset( $args['api'] ) ? $args['api'] : array();
$this->overwrite = $args['overwrite'];
parent::__construct( $args );
}
/**
* Action to perform before installing a plugin.
*
* @since 2.8.0
*/
public function before() {
if ( ! empty( $this->api ) ) {
$this->upgrader->strings['process_success'] = sprintf(
$this->upgrader->strings['process_success_specific'],
$this->api->name,
$this->api->version
);
}
}
/**
* Hides the `process_failed` error when updating a plugin by uploading a zip file.
*
* @since 5.5.0
*
* @param WP_Error $wp_error WP_Error.
* @return bool
*/
public function hide_process_failed( $wp_error ) {
if (
'upload' === $this->type &&
'' === $this->overwrite &&
$wp_error->get_error_code() === 'folder_exists'
) {
return true;
}
return false;
}
/**
* Action to perform following a plugin install.
*
* @since 2.8.0
*/
public function after() {
// Check if the plugin can be overwritten and output the HTML.
if ( $this->do_overwrite() ) {
return;
}
$plugin_file = $this->upgrader->plugin_info();
$install_actions = array();
$from = isset( $_GET['from'] ) ? wp_unslash( $_GET['from'] ) : 'plugins';
if ( 'import' === $from ) {
$install_actions['activate_plugin'] = sprintf(
'%s',
wp_nonce_url( 'plugins.php?action=activate&from=import&plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ),
__( 'Activate Plugin & Run Importer' )
);
} elseif ( 'press-this' === $from ) {
$install_actions['activate_plugin'] = sprintf(
'%s',
wp_nonce_url( 'plugins.php?action=activate&from=press-this&plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ),
__( 'Activate Plugin & Return to Press This' )
);
} else {
$install_actions['activate_plugin'] = sprintf(
'%s',
wp_nonce_url( 'plugins.php?action=activate&plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ),
__( 'Activate Plugin' )
);
}
if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) {
$install_actions['network_activate'] = sprintf(
'%s',
wp_nonce_url( 'plugins.php?action=activate&networkwide=1&plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ),
__( 'Network Activate' )
);
unset( $install_actions['activate_plugin'] );
}
if ( 'import' === $from ) {
$install_actions['importers_page'] = sprintf(
'%s',
admin_url( 'import.php' ),
__( 'Return to Importers' )
);
} elseif ( 'web' === $this->type ) {
$install_actions['plugins_page'] = sprintf(
'%s',
self_admin_url( 'plugin-install.php' ),
__( 'Return to Plugin Installer' )
);
} elseif ( 'upload' === $this->type && 'plugins' === $from ) {
$install_actions['plugins_page'] = sprintf(
'%s',
self_admin_url( 'plugin-install.php' ),
__( 'Return to Plugin Installer' )
);
} else {
$install_actions['plugins_page'] = sprintf(
'%s',
self_admin_url( 'plugins.php' ),
__( 'Return to Plugins page' )
);
}
if ( ! $this->result || is_wp_error( $this->result ) ) {
unset( $install_actions['activate_plugin'], $install_actions['network_activate'] );
} elseif ( ! current_user_can( 'activate_plugin', $plugin_file ) || is_plugin_active( $plugin_file ) ) {
unset( $install_actions['activate_plugin'] );
}
/**
* Filters the list of action links available following a single plugin installation.
*
* @since 2.7.0
*
* @param string[] $install_actions Array of plugin action links.
* @param object $api Object containing WordPress.org API plugin data. Empty
* for non-API installs, such as when a plugin is installed
* via upload.
* @param string $plugin_file Path to the plugin file relative to the plugins directory.
*/
$install_actions = apply_filters( 'install_plugin_complete_actions', $install_actions, $this->api, $plugin_file );
if ( ! empty( $install_actions ) ) {
$this->feedback( implode( ' ', (array) $install_actions ) );
}
}
/**
* Check if the plugin can be overwritten and output the HTML for overwriting a plugin on upload.
*
* @since 5.5.0
*
* @return bool Whether the plugin can be overwritten and HTML was outputted.
*/
private function do_overwrite() {
if ( 'upload' !== $this->type || ! is_wp_error( $this->result ) || 'folder_exists' !== $this->result->get_error_code() ) {
return false;
}
$folder = $this->result->get_error_data( 'folder_exists' );
$folder = ltrim( substr( $folder, strlen( WP_PLUGIN_DIR ) ), '/' );
$current_plugin_data = false;
$all_plugins = get_plugins();
foreach ( $all_plugins as $plugin => $plugin_data ) {
if ( strrpos( $plugin, $folder ) !== 0 ) {
continue;
}
$current_plugin_data = $plugin_data;
}
$new_plugin_data = $this->upgrader->new_plugin_data;
if ( ! $current_plugin_data || ! $new_plugin_data ) {
return false;
}
echo '' . esc_html( __( 'This plugin is already installed.' ) ) . '
';
$this->is_downgrading = version_compare( $current_plugin_data['Version'], $new_plugin_data['Version'], '>' );
$rows = array(
'Name' => __( 'Plugin name' ),
'Version' => __( 'Version' ),
'Author' => __( 'Author' ),
'RequiresWP' => __( 'Required WordPress version' ),
'RequiresPHP' => __( 'Required PHP version' ),
);
$table = '';
$table .= ' | ' . esc_html( __( 'Current' ) ) . ' | ';
$table .= '' . esc_html( __( 'Uploaded' ) ) . ' |
|---|
';
$is_same_plugin = true; // Let's consider only these rows.
foreach ( $rows as $field => $label ) {
$old_value = ! empty( $current_plugin_data[ $field ] ) ? (string) $current_plugin_data[ $field ] : '-';
$new_value = ! empty( $new_plugin_data[ $field ] ) ? (string) $new_plugin_data[ $field ] : '-';
$is_same_plugin = $is_same_plugin && ( $old_value === $new_value );
$diff_field = ( 'Version' !== $field && $new_value !== $old_value );
$diff_version = ( 'Version' === $field && $this->is_downgrading );
$table .= '| ' . $label . ' | ' . wp_strip_all_tags( $old_value ) . ' | ';
$table .= ( $diff_field || $diff_version ) ? '' : ' | ';
$table .= wp_strip_all_tags( $new_value ) . ' |
';
}
$table .= '
';
/**
* Filters the compare table output for overwriting a plugin package on upload.
*
* @since 5.5.0
*
* @param string $table The output table with Name, Version, Author, RequiresWP, and RequiresPHP info.
* @param array $current_plugin_data Array with current plugin data.
* @param array $new_plugin_data Array with uploaded plugin data.
*/
echo apply_filters( 'install_plugin_overwrite_comparison', $table, $current_plugin_data, $new_plugin_data );
$install_actions = array();
$can_update = true;
$blocked_message = '' . esc_html( __( 'The plugin cannot be updated due to the following:' ) ) . '
';
$blocked_message .= '';
$requires_php = isset( $new_plugin_data['RequiresPHP'] ) ? $new_plugin_data['RequiresPHP'] : null;
$requires_wp = isset( $new_plugin_data['RequiresWP'] ) ? $new_plugin_data['RequiresWP'] : null;
if ( ! is_php_version_compatible( $requires_php ) ) {
$error = sprintf(
/* translators: 1: Current PHP version, 2: Version required by the uploaded plugin. */
__( 'The PHP version on your server is %1$s, however the uploaded plugin requires %2$s.' ),
phpversion(),
$requires_php
);
$blocked_message .= '- ' . esc_html( $error ) . '
';
$can_update = false;
}
if ( ! is_wp_version_compatible( $requires_wp ) ) {
$error = sprintf(
/* translators: 1: Current WordPress version, 2: Version required by the uploaded plugin. */
__( 'Your WordPress version is %1$s, however the uploaded plugin requires %2$s.' ),
get_bloginfo( 'version' ),
$requires_wp
);
$blocked_message .= '- ' . esc_html( $error ) . '
';
$can_update = false;
}
$blocked_message .= '
';
if ( $can_update ) {
if ( $this->is_downgrading ) {
$warning = sprintf(
/* translators: %s: Documentation URL. */
__( 'You are uploading an older version of a current plugin. You can continue to install the older version, but be sure to back up your database and files first.' ),
__( 'https://wordpress.org/support/article/wordpress-backups/' )
);
} else {
$warning = sprintf(
/* translators: %s: Documentation URL. */
__( 'You are updating a plugin. Be sure to back up your database and files first.' ),
__( 'https://wordpress.org/support/article/wordpress-backups/' )
);
}
echo '' . $warning . '
';
$overwrite = $this->is_downgrading ? 'downgrade-plugin' : 'update-plugin';
$install_actions['overwrite_plugin'] = sprintf(
'%s',
wp_nonce_url( add_query_arg( 'overwrite', $overwrite, $this->url ), 'plugin-upload' ),
__( 'Replace current with uploaded' )
);
} else {
echo $blocked_message;
}
$cancel_url = add_query_arg( 'action', 'upload-plugin-cancel-overwrite', $this->url );
$install_actions['plugins_page'] = sprintf(
'%s',
wp_nonce_url( $cancel_url, 'plugin-upload-cancel-overwrite' ),
__( 'Cancel and go back' )
);
/**
* Filters the list of action links available following a single plugin installation
* failure when overwriting is allowed.
*
* @since 5.5.0
*
* @param string[] $install_actions Array of plugin action links.
* @param object $api Object containing WordPress.org API plugin data.
* @param array $new_plugin_data Array with uploaded plugin data.
*/
$install_actions = apply_filters( 'install_plugin_overwrite_actions', $install_actions, $this->api, $new_plugin_data );
if ( ! empty( $install_actions ) ) {
printf(
'%s
',
__( 'The uploaded file has expired. Please go back and upload it again.' )
);
echo '' . implode( ' ', (array) $install_actions ) . '
';
}
return true;
}
}