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<?php
/**
* Items class.
*
* @package Envato_Market
*/
if ( ! class_exists( 'Envato_Market_Items' ) ) :
/**
* Creates the theme & plugin arrays & injects API results.
*
* @class Envato_Market_Items
* @version 1.0.0
* @since 1.0.0
*/
class Envato_Market_Items {
/**
* The single class instance.
*
* @since 1.0.0
* @access private
*
* @var object
*/
private static $_instance = null;
/**
* Premium themes.
*
* @since 1.0.0
* @access private
*
* @var array
*/
private static $themes = array();
/**
* Premium plugins.
*
* @since 1.0.0
* @access private
*
* @var array
*/
private static $plugins = array();
/**
* WordPress plugins.
*
* @since 1.0.0
* @access private
*
* @var array
*/
private static $wp_plugins = array();
/**
* The Envato_Market_Items Instance
*
* Ensures only one instance of this class exists in memory at any one time.
*
* @see Envato_Market_Items()
* @uses Envato_Market_Items::init_actions() Setup hooks and actions.
*
* @since 1.0.0
* @static
* @return object The one true Envato_Market_Items.
* @codeCoverageIgnore
*/
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
self::$_instance->init_actions();
}
return self::$_instance;
}
/**
* A dummy constructor to prevent this class from being loaded more than once.
*
* @see Envato_Market_Items::instance()
*
* @since 1.0.0
* @access private
* @codeCoverageIgnore
*/
private function __construct() {
/* We do nothing here! */
}
/**
* You cannot clone this class.
*
* @since 1.0.0
* @codeCoverageIgnore
*/
public function __clone() {
_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'envato-market' ), '1.0.0' );
}
/**
* You cannot unserialize instances of this class.
*
* @since 1.0.0
* @codeCoverageIgnore
*/
public function __wakeup() {
_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'envato-market' ), '1.0.0' );
}
/**
* Setup the hooks, actions and filters.
*
* @uses add_action() To add actions.
* @uses add_filter() To add filters.
*
* @since 1.0.0
*/
public function init_actions() {
// Check for theme & plugin updates.
add_filter( 'http_request_args', array( $this, 'update_check' ), 5, 2 );
// Inject plugin updates into the response array.
add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'update_plugins' ), 5, 1 );
add_filter( 'pre_set_transient_update_plugins', array( $this, 'update_plugins' ), 5, 1 );
// Inject theme updates into the response array.
add_filter( 'pre_set_site_transient_update_themes', array( $this, 'update_themes' ), 1, 99999 );
add_filter( 'pre_set_transient_update_themes', array( $this, 'update_themes' ), 1, 99999 );
// Inject plugin information into the API calls.
add_filter( 'plugins_api', array( $this, 'plugins_api' ), 10, 3 );
// Rebuild the saved theme data.
add_action( 'after_switch_theme', array( $this, 'rebuild_themes' ) );
// Rebuild the saved plugin data.
add_action( 'activated_plugin', array( $this, 'rebuild_plugins' ) );
add_action( 'deactivated_plugin', array( $this, 'rebuild_plugins' ) );
}
/**
* Get the premium plugins list.
*
* @since 1.0.0
*
* @param string $group The plugin group. Options are 'purchased', 'active', 'installed', or 'install'.
* @return array
*/
public function plugins( $group = '' ) {
if ( ! empty( $group ) ) {
if ( isset( self::$plugins[ $group ] ) ) {
return self::$plugins[ $group ];
} else {
return array();
}
}
return self::$plugins;
}
/**
* Get the premium themes list.
*
* @since 1.0.0
*
* @param string $group The theme group. Options are 'purchased', 'active', 'installed', or 'install'.
* @return array
*/
public function themes( $group = '' ) {
if ( ! empty( $group ) ) {
if ( isset( self::$themes[ $group ] ) ) {
return self::$themes[ $group ];
} else {
return array();
}
}
return self::$themes;
}
/**
* Get the list of WordPress plugins
*
* @since 1.0.0
*
* @param bool $flush Forces a cache flush. Default is 'false'.
* @return array
*/
public function wp_plugins( $flush = false ) {
if ( empty( self::$wp_plugins ) || true === $flush ) {
wp_cache_set( 'plugins', false, 'plugins' );
self::$wp_plugins = get_plugins();
}
return self::$wp_plugins;
}
/**
* Disables requests to the wp.org repository for premium themes.
*
* @since 1.0.0
*
* @param array $request An array of HTTP request arguments.
* @param string $url The request URL.
* @return array
*/
public function update_check( $request, $url ) {
// Theme update request.
if ( false !== strpos( $url, '//api.wordpress.org/themes/update-check/1.1/' ) ) {
/**
* Excluded theme slugs that should never ping the WordPress API.
* We don't need the extra http requests for themes we know are premium.
*/
self::set_themes();
$installed = self::$themes['installed'];
// Decode JSON so we can manipulate the array.
$data = json_decode( $request['body']['themes'] );
// Remove the excluded themes.
foreach ( $installed as $slug => $id ) {
unset( $data->themes->$slug );
}
// Encode back into JSON and update the response.
$request['body']['themes'] = wp_json_encode( $data );
}
// Plugin update request.
if ( false !== strpos( $url, '//api.wordpress.org/plugins/update-check/1.1/' ) ) {
/**
* Excluded theme slugs that should never ping the WordPress API.
* We don't need the extra http requests for themes we know are premium.
*/
self::set_plugins();
$installed = self::$plugins['installed'];
// Decode JSON so we can manipulate the array.
$data = json_decode( $request['body']['plugins'] );
// Remove the excluded themes.
foreach ( $installed as $slug => $id ) {
unset( $data->plugins->$slug );
}
// Encode back into JSON and update the response.
$request['body']['plugins'] = wp_json_encode( $data );
}
return $request;
}
/**
* Inject update data for premium themes.
*
* @since 1.0.0
*
* @param object $transient The pre-saved value of the `update_themes` site transient.
* @return object
*/
public function update_themes( $transient ) {
// Process premium theme updates.
if ( isset( $transient->checked ) ) {
self::set_themes( true );
$installed = array_merge( self::$themes['active'], self::$themes['installed'] );
foreach ( $installed as $slug => $premium ) {
$theme = wp_get_theme( $slug );
if ( $theme->exists() && version_compare( $theme->get( 'Version' ), $premium['version'], '<' ) ) {
$transient->response[ $slug ] = array(
'theme' => $slug,
'new_version' => $premium['version'],
'url' => $premium['url'],
'package' => envato_market()->api()->deferred_download( $premium['id'] ),
);
}
}
}
return $transient;
}
/**
* Inject update data for premium plugins.
*
* @since 1.0.0
*
* @param object $transient The pre-saved value of the `update_plugins` site transient.
* @return object
*/
public function update_plugins( $transient ) {
self::set_plugins( true );
// Process premium plugin updates.
$installed = array_merge( self::$plugins['active'], self::$plugins['installed'] );
$plugins = self::wp_plugins();
foreach ( $installed as $plugin => $premium ) {
if ( isset( $plugins[ $plugin ] ) && version_compare( $plugins[ $plugin ]['Version'], $premium['version'], '<' ) ) {
$_plugin = array(
'slug' => dirname( $plugin ),
'plugin' => $plugin,
'new_version' => $premium['version'],
'url' => $premium['url'],
'package' => envato_market()->api()->deferred_download( $premium['id'] ),
);
$transient->response[ $plugin ] = (object) $_plugin;
}
}
return $transient;
}
/**
* Inject API data for premium plugins.
*
* @since 1.0.0
*
* @param bool $response Always false.
* @param string $action The API action being performed.
* @param object $args Plugin arguments.
* @return bool|object $response The plugin info or false.
*/
public function plugins_api( $response, $action, $args ) {
self::set_plugins( true );
// Process premium theme updates.
if ( 'plugin_information' === $action && isset( $args->slug ) ) {
$installed = array_merge( self::$plugins['active'], self::$plugins['installed'] );
foreach ( $installed as $slug => $plugin ) {
if ( dirname( $slug ) === $args->slug ) {
$response = new stdClass();
$response->slug = $args->slug;
$response->plugin = $slug;
$response->plugin_name = $plugin['name'];
$response->name = $plugin['name'];
$response->version = $plugin['version'];
$response->author = $plugin['author'];
$response->homepage = $plugin['url'];
$response->requires = $plugin['requires'];
$response->tested = $plugin['tested'];
$response->downloaded = $plugin['number_of_sales'];
$response->last_updated = $plugin['updated_at'];
$response->sections = array( 'description' => $plugin['description'] );
$response->banners['low'] = $plugin['landscape_url'];
$response->rating = ! empty( $plugin['rating'] ) && ! empty( $plugin['rating']['rating'] ) && $plugin['rating']['rating'] > 0 ? $plugin['rating']['rating'] / 5 * 100 : 0;
$response->num_ratings = ! empty( $plugin['rating'] ) && ! empty( $plugin['rating']['count'] ) ? $plugin['rating']['count'] : 0;
$response->download_link = envato_market()->api()->deferred_download( $plugin['id'] );
break;
}
}
}
return $response;
}
/**
* Set the list of themes
*
* @since 1.0.0
*
* @param bool $forced Forces an API request. Default is 'false'.
* @param bool $use_cache Attempts to rebuild from the cache before making an API request.
*/
public function set_themes( $forced = false, $use_cache = false ) {
$themes_transient = get_site_transient( envato_market()->get_option_name() . '_themes' );
self::$themes = is_array($themes_transient) ? $themes_transient : array();
if ( empty(self::$themes) || true === $forced ) {
$themes = envato_market()->api()->themes();
foreach ( envato_market()->get_option( 'items', array() ) as $item ) {
if ( empty( $item ) ) {
continue;
}
if ( 'theme' === $item['type'] ) {
$request_args = array(
'headers' => array(
'Authorization' => 'Bearer ' . $item['token'],
),
);
$request = envato_market()->api()->item( $item['id'], $request_args );
if ( false !== $request ) {
$themes[] = $request;
}
}
}
self::process_themes( $themes );
} elseif ( true === $use_cache ) {
self::process_themes( self::$themes['purchased'] );
}
}
/**
* Set the list of plugins
*
* @since 1.0.0
*
* @param bool $forced Forces an API request. Default is 'false'.
* @param bool $use_cache Attempts to rebuild from the cache before making an API request.
* @param array $args Used to remove or add a plugin during activate and deactivate routines.
*/
public function set_plugins( $forced = false, $use_cache = false, $args = array() ) {
$plugins_transient = get_site_transient( envato_market()->get_option_name() . '_plugins' );
self::$plugins = is_array($plugins_transient) ? $plugins_transient : array();
if ( empty(self::$plugins) || true === $forced ) {
$plugins = envato_market()->api()->plugins();
foreach ( envato_market()->get_option( 'items', array() ) as $item ) {
if ( empty( $item ) ) {
continue;
}
if ( 'plugin' === $item['type'] ) {
$request_args = array(
'headers' => array(
'Authorization' => 'Bearer ' . $item['token'],
),
);
$request = envato_market()->api()->item( $item['id'], $request_args );
if ( false !== $request ) {
$plugins[] = $request;
}
}
}
self::process_plugins( $plugins, $args );
} elseif ( true === $use_cache ) {
self::process_plugins( self::$plugins['purchased'], $args );
}
}
/**
* Rebuild the themes array using the cache value if possible.
*
* @since 1.0.0
*
* @param mixed $filter Any data being filtered.
* @return mixed
*/
public function rebuild_themes( $filter ) {
self::set_themes( false, true );
return $filter;
}
/**
* Rebuild the plugins array using the cache value if possible.
*
* @since 1.0.0
*
* @param string $plugin The plugin to add or remove.
*/
public function rebuild_plugins( $plugin ) {
$remove = ( 'deactivated_plugin' === current_filter() ) ? true : false;
self::set_plugins(
false,
true,
array(
'plugin' => $plugin,
'remove' => $remove,
)
);
}
/**
* Normalizes a string to do a value check against.
*
* Strip all HTML tags including script and style & then decode the
* HTML entities so `&` will equal `&` in the value check and
* finally lower case the entire string. This is required becuase some
* themes & plugins add a link to the Author field or ambersands to the
* names, or change the case of their files or names, which will not match
* the saved value in the database causing a false negative.
*
* @since 1.0.0
*
* @param string $string The string to normalize.
* @return string
*/
public function normalize( $string ) {
return strtolower( html_entity_decode( wp_strip_all_tags( $string ) ) );
}
/**
* Process the themes and save the transient.
*
* @since 1.0.0
*
* @param array $purchased The purchased themes array.
*/
private function process_themes( $purchased ) {
if ( is_wp_error( $purchased ) ) {
$purchased = array();
}
$current = wp_get_theme()->get_template();
$active = array();
$installed = array();
$install = $purchased;
if ( ! empty( $purchased ) ) {
foreach ( wp_get_themes() as $theme ) {
/**
* WP_Theme object.
*
* @var WP_Theme $theme
*/
$template = $theme->get_template();
$title = $theme->get( 'Name' );
$author = $theme->get( 'Author' );
foreach ( $install as $key => $value ) {
if ( $this->normalize( $value['name'] ) === $this->normalize( $title ) && $this->normalize( $value['author'] ) === $this->normalize( $author ) ) {
$installed[ $template ] = $value;
unset( $install[ $key ] );
}
}
}
}
if ( isset( $installed[ $current ] ) ) {
$active[ $current ] = $installed[ $current ];
unset( $installed[ $current ] );
}
self::$themes['purchased'] = array_unique( $purchased, SORT_REGULAR );
self::$themes['active'] = array_unique( $active, SORT_REGULAR );
self::$themes['installed'] = array_unique( $installed, SORT_REGULAR );
self::$themes['install'] = array_unique( array_values( $install ), SORT_REGULAR );
set_site_transient( envato_market()->get_option_name() . '_themes', self::$themes, HOUR_IN_SECONDS );
}
/**
* Process the plugins and save the transient.
*
* @since 1.0.0
*
* @param array $purchased The purchased plugins array.
* @param array $args Used to remove or add a plugin during activate and deactivate routines.
*/
private function process_plugins( $purchased, $args = array() ) {
if ( is_wp_error( $purchased ) ) {
$purchased = array();
}
$active = array();
$installed = array();
$install = $purchased;
if ( ! empty( $purchased ) ) {
foreach ( self::wp_plugins( true ) as $slug => $plugin ) {
foreach ( $install as $key => $value ) {
if ( $this->normalize( $value['name'] ) === $this->normalize( $plugin['Name'] ) && $this->normalize( $value['author'] ) === $this->normalize( $plugin['Author'] ) && file_exists( WP_PLUGIN_DIR . '/' . $slug ) ) {
$installed[ $slug ] = $value;
unset( $install[ $key ] );
}
}
}
}
foreach ( $installed as $slug => $plugin ) {
$condition = false;
if ( ! empty( $args ) && $slug === $args['plugin'] ) {
if ( true === $args['remove'] ) {
continue;
}
$condition = true;
}
if ( $condition || is_plugin_active( $slug ) ) {
$active[ $slug ] = $plugin;
unset( $installed[ $slug ] );
}
}
self::$plugins['purchased'] = array_unique( $purchased, SORT_REGULAR );
self::$plugins['active'] = array_unique( $active, SORT_REGULAR );
self::$plugins['installed'] = array_unique( $installed, SORT_REGULAR );
self::$plugins['install'] = array_unique( array_values( $install ), SORT_REGULAR );
set_site_transient( envato_market()->get_option_name() . '_plugins', self::$plugins, HOUR_IN_SECONDS );
}
}
endif;
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