File: /home/alloesb/www/wp-content/plugins/totalpoll/includes/admin/installer.php
<?php
if ( defined( 'ABSPATH' ) === false ) :
exit;
endif; // Shhh
global $wp_version;
require_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
if ( version_compare( $wp_version, '3.7', '>' ) ):
require_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader-skins.php' );
endif;
/**
* Extensions & Templates Installer.
*
* @since 2.0.0
* @package TotalPoll\Installer
*/
if ( ! class_exists( 'TP_Admin_Installer' ) && class_exists( 'Theme_Upgrader' ) && class_exists( 'File_Upload_Upgrader' ) ):
class TP_Admin_Installer extends Theme_Upgrader {
/**
* Type of installation (extension or template).
*
* @since 2.0.0
* @access public
* @type string
*/
public $type;
/**
* Initializing.
*
* @param object $skin Skin object
* @param string $type Installation type
*
* @return void
*/
public function __construct( $destination, $type = 'template', $page = 'tp-templates', $url = false ) {
if ( ! is_dir( WP_CONTENT_DIR . '/uploads/totalpoll/' ) ) {
@mkdir( WP_CONTENT_DIR . '/uploads/' );
@mkdir( WP_CONTENT_DIR . '/uploads/totalpoll/' );
@mkdir( WP_CONTENT_DIR . '/uploads/totalpoll/extensions' );
@mkdir( WP_CONTENT_DIR . '/uploads/totalpoll/templates' );
}
$this->destination = WP_CONTENT_DIR . "/uploads/totalpoll/{$destination}";
$this->type = $type;
// File upgrader
if ( empty( $url ) ):
$archive = new File_Upload_Upgrader( "{$type}zip", 'package' );
endif;
// Skin
$this->skin = new TP_Installer_Skin( array(
'title' => __( 'Upload package', TP_TD ),
'type' => 'upload',
'url' => esc_url_raw( add_query_arg( array( 'package' => ! empty( $url ) ? $url : $archive->id ), "edit.php?post_type=poll&page={$page}" ) ),
'nonce' => "install-{$type}",
) );
// Capture results
$result = $this->install( ! empty( $url ) ? $url : $archive->package );
// Check if there is an error
if ( ( $result || is_wp_error( $result ) ) && isset( $archive ) ) {
$archive->cleanup();
} // Remove the uploaded file
exit;
}
/**
* Initialize the upgrade strings.
*
* @since 2.8.0
* @access public
*/
public function upgrade_strings() {
$this->strings['up_to_date'] = __( 'The package is at the latest version.', TP_TD );
$this->strings['no_package'] = __( 'Update package not available.', TP_TD );
$this->strings['downloading_package'] = __( 'Downloading update from <span class="code">%s</span>…', TP_TD );
$this->strings['unpack_package'] = __( 'Unpacking the update…', TP_TD );
$this->strings['remove_old'] = __( 'Removing the old version of the package…', TP_TD );
$this->strings['remove_old_failed'] = __( 'Could not remove the old package.', TP_TD );
$this->strings['process_bulk_success'] = __( 'Packages updated successfully.', TP_TD );
}
/**
* Installation strings.
*
* @since 2.0.0
* @return void
*/
public function install_strings() {
$this->strings['no_package'] = __( 'Install package not available.', TP_TD );
$this->strings['unpack_package'] = __( 'Unpacking the package…', TP_TD );
$this->strings['installing_package'] = __( 'Installing the package…', TP_TD );
$this->strings['downloading_package'] = __( 'Downloading install package from <span class="code">%s</span>…' );
$this->strings['no_files'] = __( 'The package contains no files.', TP_TD );
$this->strings['process_failed'] = __( 'Package install failed.', TP_TD );
$this->strings['process_success'] = __( 'Package installed successfully.', TP_TD );
$this->strings['process_success_specific'] = __( 'Successfully installed the package <strong>%1$s %2$s</strong>.', TP_TD );
$this->strings['parent_template_prepare_install'] = __( 'Preparing to install <strong>%1$s %2$s</strong>…', TP_TD );
}
/**
* Install a template or an extension.
*
* @global array $wp_theme_directories Themes directories
*
* @param object $package Uploaded package object
*
* @return \WP_Error|boolean
*/
public function install( $package, $args = array() ) {
// A quick workaround to avoid implementing a modified version of install_package. (See class-wp-upgrader.php:402)
global $wp_theme_directories;
$_wp_theme_directories = $wp_theme_directories;
$wp_theme_directories[] = $this->destination;
$this->init();
$this->install_strings();
$this->upgrade_strings();
add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
$this->run( array(
'package' => $package,
'destination' => $this->destination,
'clear_destination' => true,
'abort_if_destination_exists' => false,
'clear_working' => true,
) );
remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
$wp_theme_directories = $_wp_theme_directories;
if ( ! $this->result || is_wp_error( $this->result ) ) {
return $this->result;
}
return true;
}
/**
* Check package validity.
*
* @global object $wp_filesystem WP Filesystem object
*
* @param object $source Path to uploaded package
*
* @return \WP_Error
*/
public function check_package( $source ) {
global $wp_filesystem;
if ( is_wp_error( $source ) ) {
return $source;
}
// Check the folder contains a valid package
$working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit( WP_CONTENT_DIR ), $source );
if ( ! is_dir( $working_directory ) ): // Sanity check, if the above fails, lets not prevent installation.
return $source;
endif;
if ( $this->type == 'template' ):
// A proper archive should have a template.php file in the single subdirectory
if ( ! file_exists( $working_directory . 'template.php' ) ):
return new WP_Error( 'incompatible_archive_template_no_style', $this->strings['incompatible_archive'],
__( 'The template is missing the <code>template.php</code> stylesheet.', TP_TD ) );
endif;
$info = get_file_data( $working_directory . 'template.php', array( 'name' => 'Template Name', 'requires' => 'Requires' ) );
if ( empty( $info['name'] ) ):
return new WP_Error( 'incompatible_archive_template_no_name', $this->strings['incompatible_archive'],
__( "The <code>template.php</code> doesn't contain a valid template header.", TP_TD ) );
endif;
// it must have at least an vote.php and results.php to be legit.
foreach ( array( 'vote.php', 'results.php', 'hidden_results.php', 'header.php', 'footer.php', 'before_vote.php', 'after_vote.php' ) as $file ):
if ( ! file_exists( $working_directory . $file ) ):
return new WP_Error( "incompatible_archive_template_no_{$file}", $this->strings['incompatible_archive'],
sprintf( __( 'The template is missing the <code>%s</code> file.', TP_TD ), $file ) );
endif;
endforeach;
if ( empty( $info['requires'] ) ):
return new WP_Error( 'incompatible_archive_template_no_required_version', $this->strings['incompatible_archive'],
__( "The <code>template.php</code> file doesn't contain the minimum required version.", TP_TD ) );
endif;
if ( ! empty( $info['name'] ) && version_compare( $info['requires'], TP_VERSION, '>' ) ):
return new WP_Error( 'incompatible_archive_template_incompatible_version', $this->strings['incompatible_archive'],
sprintf( __( "This template requires TotalPoll version %s or higher", TP_TD ), $info['required'] ) );
endif;
elseif ( $this->type == 'extension' ):
// A proper archive should have a extension.php file in the single subdirectory
if ( ! file_exists( $working_directory . 'extension.php' ) ):
return new WP_Error( 'incompatible_archive_no_extension_file', $this->strings['incompatible_archive'],
__( 'The extension is missing the <code>extension.php</code> essential file.', TP_TD ) );
endif;
$info = get_file_data( $working_directory . 'extension.php', array( 'name' => 'Extension Name', 'requires' => 'Requires' ) );
if ( empty( $info['name'] ) ):
return new WP_Error( 'incompatible_archive_extension_no_name', $this->strings['incompatible_archive'],
__( "The <code>extension.php</code> file doesn't contain a valid extension header.", TP_TD ) );
endif;
if ( empty( $info['requires'] ) ):
return new WP_Error( 'incompatible_archive_extension_no_required_version', $this->strings['incompatible_archive'],
__( "The <code>extension.php</code> file doesn't contain the minimum required version.", TP_TD ) );
endif;
if ( ! empty( $info['name'] ) && version_compare( $info['requires'], TP_VERSION, '>' ) ):
return new WP_Error( 'incompatible_archive_extension_incompatible_version', $this->strings['incompatible_archive'],
sprintf( __( "This extension requires TotalPoll version %s or higher", TP_TD ), $info['required'] ) );
endif;
endif;
return $source;
}
public function current_after( $return, $theme ) {
}
public function bulk_upgrade( $language_updates = array(), $args = array() ) {
}
public function upgrade( $update = false, $args = array() ) {
}
}
endif;
if ( ! class_exists( 'TP_Installer_Skin' ) && class_exists( 'Theme_Installer_Skin' ) ):
class TP_Installer_Skin extends Theme_Installer_Skin {
/**
* Return URL.
* @since 2.0.0
* @return void
*/
public function after() {
if ( $this->upgrader->type == 'template' ):
$this->feedback( '<a href="' . self_admin_url( 'edit.php?post_type=poll&page=tp-templates' ) . '" target="_parent">' . __( 'Return to Templates',
TP_TD ) . '</a>' );
else:
$this->feedback( '<a href="' . self_admin_url( 'edit.php?post_type=poll&page=tp-extensions' ) . '" target="_parent">' . __( 'Return to extensions',
TP_TD ) . '</a>' );
endif;
}
}
endif;