forked from Podemos-TICS/podemos-wordpress-default
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class-tgm-plugin-activation.php
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class-tgm-plugin-activation.php
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<?php
/**
* Plugin installation and activation for WordPress themes.
*
* @package TGM-Plugin-Activation
* @version 2.4.0
* @author Thomas Griffin <thomasgriffinmedia.com>
* @author Gary Jones <gamajo.com>
* @copyright Copyright (c) 2012, Thomas Griffin
* @license http://opensource.org/licenses/gpl-2.0.php GPL v2 or later
* @link https://github.com/thomasgriffin/TGM-Plugin-Activation
*/
/*
Copyright 2014 Thomas Griffin (thomasgriffinmedia.com)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2, as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
if ( ! class_exists( 'TGM_Plugin_Activation' ) ) {
/**
* Automatic plugin installation and activation library.
*
* Creates a way to automatically install and activate plugins from within themes.
* The plugins can be either pre-packaged, downloaded from the WordPress
* Plugin Repository or downloaded from a private repository.
*
* @since 1.0.0
*
* @package TGM-Plugin-Activation
* @author Thomas Griffin <thomasgriffinmedia.com>
* @author Gary Jones <gamajo.com>
*/
class TGM_Plugin_Activation {
/**
* Holds a copy of itself, so it can be referenced by the class name.
*
* @since 1.0.0
*
* @var TGM_Plugin_Activation
*/
public static $instance;
/**
* Holds arrays of plugin details.
*
* @since 1.0.0
*
* @var array
*/
public $plugins = array();
/**
* Name of the unique ID to hash notices.
*
* @since 2.4.0
*
* @var string
*/
public $id = 'tgmpa';
/**
* Name of the querystring argument for the admin page.
*
* @since 1.0.0
*
* @var string
*/
public $menu = 'tgmpa-install-plugins';
/**
* Default absolute path to folder containing pre-packaged plugin zip files.
*
* @since 2.0.0
*
* @var string Absolute path prefix to packaged zip file location. Default is empty string.
*/
public $default_path = '';
/**
* Flag to show admin notices or not.
*
* @since 2.1.0
*
* @var boolean
*/
public $has_notices = true;
/**
* Flag to determine if the user can dismiss the notice nag.
*
* @since 2.4.0
*
* @var boolean
*/
public $dismissable = true;
/**
* Message to be output above nag notice if dismissable is false.
*
* @since 2.4.0
*
* @var string
*/
public $dismiss_msg = '';
/**
* Flag to set automatic activation of plugins. Off by default.
*
* @since 2.2.0
*
* @var boolean
*/
public $is_automatic = false;
/**
* Optional message to display before the plugins table.
*
* @since 2.2.0
*
* @var string Message filtered by wp_kses_post(). Default is empty string.
*/
public $message = '';
/**
* Holds configurable array of strings.
*
* Default values are added in the constructor.
*
* @since 2.0.0
*
* @var array
*/
public $strings = array();
/**
* Holds the version of WordPress.
*
* @since 2.4.0
*
* @var int
*/
public $wp_version;
/**
* Adds a reference of this object to $instance, populates default strings,
* does the tgmpa_init action hook, and hooks in the interactions to init.
*
* @since 1.0.0
*
* @see TGM_Plugin_Activation::init()
*/
public function __construct() {
self::$instance = $this;
// Set the current WordPress version.
global $wp_version;
$this->wp_version = $wp_version;
// Announce that the class is ready, and pass the object (for advanced use).
do_action_ref_array( 'tgmpa_init', array( $this ) );
// When the rest of WP has loaded, kick-start the rest of the class.
add_action( 'init', array( $this, 'init' ) );
}
/**
* Initialise the interactions between this class and WordPress.
*
* Hooks in three new methods for the class: admin_menu, notices and styles.
*
* @since 2.0.0
*
* @see TGM_Plugin_Activation::admin_menu()
* @see TGM_Plugin_Activation::notices()
* @see TGM_Plugin_Activation::styles()
*/
public function init() {
// Load class strings.
$this->strings = array(
'page_title' => __( 'Install Required Plugins', 'tgmpa' ),
'menu_title' => __( 'Install Plugins', 'tgmpa' ),
'installing' => __( 'Installing Plugin: %s', 'tgmpa' ),
'oops' => __( 'Something went wrong.', 'tgmpa' ),
'notice_can_install_required' => _n_noop( 'This theme requires the following plugin: %1$s.', 'This theme requires the following plugins: %1$s.', 'tgmpa' ),
'notice_can_install_recommended' => _n_noop( 'This theme recommends the following plugin: %1$s.', 'This theme recommends the following plugins: %1$s.', 'tgmpa' ),
'notice_cannot_install' => _n_noop( 'Sorry, but you do not have the correct permissions to install the %s plugin. Contact the administrator of this site for help on getting the plugin installed.', 'Sorry, but you do not have the correct permissions to install the %s plugins. Contact the administrator of this site for help on getting the plugins installed.', 'tgmpa' ),
'notice_can_activate_required' => _n_noop( 'The following required plugin is currently inactive: %1$s.', 'The following required plugins are currently inactive: %1$s.', 'tgmpa' ),
'notice_can_activate_recommended'=> _n_noop( 'The following recommended plugin is currently inactive: %1$s.', 'The following recommended plugins are currently inactive: %1$s.', 'tgmpa' ),
'notice_cannot_activate' => _n_noop( 'Sorry, but you do not have the correct permissions to activate the %s plugin. Contact the administrator of this site for help on getting the plugin activated.', 'Sorry, but you do not have the correct permissions to activate the %s plugins. Contact the administrator of this site for help on getting the plugins activated.', 'tgmpa' ),
'notice_ask_to_update' => _n_noop( 'The following plugin needs to be updated to its latest version to ensure maximum compatibility with this theme: %1$s.', 'The following plugins need to be updated to their latest version to ensure maximum compatibility with this theme: %1$s.', 'tgmpa' ),
'notice_cannot_update' => _n_noop( 'Sorry, but you do not have the correct permissions to update the %s plugin. Contact the administrator of this site for help on getting the plugin updated.', 'Sorry, but you do not have the correct permissions to update the %s plugins. Contact the administrator of this site for help on getting the plugins updated.', 'tgmpa' ),
'install_link' => _n_noop( 'Begin installing plugin', 'Begin installing plugins', 'tgmpa' ),
'activate_link' => _n_noop( 'Begin activating plugin', 'Begin activating plugins', 'tgmpa' ),
'return' => __( 'Return to Required Plugins Installer', 'tgmpa' ),
'dashboard' => __( 'Return to the dashboard', 'tgmpa' ),
'plugin_activated' => __( 'Plugin activated successfully.', 'tgmpa' ),
'activated_successfully' => __( 'The following plugin was activated successfully:', 'tgmpa' ),
'complete' => __( 'All plugins installed and activated successfully. %1$s', 'tgmpa' ),
'dismiss' => __( 'Dismiss this notice', 'tgmpa' ),
);
do_action( 'tgmpa_register' );
// After this point, the plugins should be registered and the configuration set.
// Proceed only if we have plugins to handle.
if ( $this->plugins ) {
$sorted = array();
foreach ( $this->plugins as $plugin ) {
$sorted[] = $plugin['name'];
}
array_multisort( $sorted, SORT_ASC, $this->plugins );
add_action( 'admin_menu', array( $this, 'admin_menu' ) );
add_action( 'admin_head', array( $this, 'dismiss' ) );
add_filter( 'install_plugin_complete_actions', array( $this, 'actions' ) );
add_action( 'switch_theme', array( $this, 'flush_plugins_cache' ) );
// Load admin bar in the header to remove flash when installing plugins.
if ( $this->is_tgmpa_page() ) {
remove_action( 'wp_footer', 'wp_admin_bar_render', 1000 );
remove_action( 'admin_footer', 'wp_admin_bar_render', 1000 );
add_action( 'wp_head', 'wp_admin_bar_render', 1000 );
add_action( 'admin_head', 'wp_admin_bar_render', 1000 );
}
if ( $this->has_notices ) {
add_action( 'admin_notices', array( $this, 'notices' ) );
add_action( 'admin_init', array( $this, 'admin_init' ), 1 );
add_action( 'admin_enqueue_scripts', array( $this, 'thickbox' ) );
add_action( 'switch_theme', array( $this, 'update_dismiss' ) );
}
// Setup the force activation hook.
foreach ( $this->plugins as $plugin ) {
if ( isset( $plugin['force_activation'] ) && true === $plugin['force_activation'] ) {
add_action( 'admin_init', array( $this, 'force_activation' ) );
break;
}
}
// Setup the force deactivation hook.
foreach ( $this->plugins as $plugin ) {
if ( isset( $plugin['force_deactivation'] ) && true === $plugin['force_deactivation'] ) {
add_action( 'switch_theme', array( $this, 'force_deactivation' ) );
break;
}
}
}
}
/**
* Handles calls to show plugin information via links in the notices.
*
* We get the links in the admin notices to point to the TGMPA page, rather
* than the typical plugin-install.php file, so we can prepare everything
* beforehand.
*
* WP doesn't make it easy to show the plugin information in the thickbox -
* here we have to require a file that includes a function that does the
* main work of displaying it, enqueue some styles, set up some globals and
* finally call that function before exiting.
*
* Down right easy once you know how...
*
* @since 2.1.0
*
* @global string $tab Used as iframe div class names, helps with styling
* @global string $body_id Used as the iframe body ID, helps with styling
* @return null Returns early if not the TGMPA page.
*/
public function admin_init() {
if ( ! $this->is_tgmpa_page() ) {
return;
}
if ( isset( $_REQUEST['tab'] ) && 'plugin-information' == $_REQUEST['tab'] ) {
require_once ABSPATH . 'wp-admin/includes/plugin-install.php'; // Need for install_plugin_information().
wp_enqueue_style( 'plugin-install' );
global $tab, $body_id;
$body_id = $tab = 'plugin-information';
install_plugin_information();
exit;
}
}
/**
* Enqueues thickbox scripts/styles for plugin info.
*
* Thickbox is not automatically included on all admin pages, so we must
* manually enqueue it for those pages.
*
* Thickbox is only loaded if the user has not dismissed the admin
* notice or if there are any plugins left to install and activate.
*
* @since 2.1.0
*/
public function thickbox() {
if ( ! get_user_meta( get_current_user_id(), 'tgmpa_dismissed_notice_' . $this->id, true ) ) {
add_thickbox();
}
}
/**
* Adds submenu page under 'Appearance' tab.
*
* This method adds the submenu page letting users know that a required
* plugin needs to be installed.
*
* This page disappears once the plugin has been installed and activated.
*
* @since 1.0.0
*
* @see TGM_Plugin_Activation::init()
* @see TGM_Plugin_Activation::install_plugins_page()
*/
public function admin_menu() {
// Make sure privileges are correct to see the page
if ( ! current_user_can( 'install_plugins' ) ) {
return;
}
$this->populate_file_path();
foreach ( $this->plugins as $plugin ) {
if ( ! is_plugin_active( $plugin['file_path'] ) ) {
$args = apply_filters(
'tgmpa_admin_menu_args',
array(
'parent_slug'=> 'themes.php', // Parent Menu slug.
'page_title' => $this->strings['page_title'], // Page title.
'menu_title' => $this->strings['menu_title'], // Menu title.
'capability' => 'edit_theme_options', // Capability.
'menu_slug' => $this->menu, // Menu slug.
'function' => array( $this, 'install_plugins_page' ) // Callback.
)
);
if( apply_filters( 'tgmpa_admin_menu_use_add_theme_page', true ) ) {
add_theme_page($args['page_title'], $args['menu_title'], $args['capability'], $args['menu_slug'], $args['function']);
} else {
add_submenu_page( $args['parent_slug'], $args['page_title'], $args['menu_title'], $args['capability'], $args['menu_slug'], $args['function']);
}
break;
}
}
}
/**
* Echoes plugin installation form.
*
* This method is the callback for the admin_menu method function.
* This displays the admin page and form area where the user can select to install and activate the plugin.
*
* @since 1.0.0
*
* @return null Aborts early if we're processing a plugin installation action
*/
public function install_plugins_page() {
// Store new instance of plugin table in object.
$plugin_table = new TGMPA_List_Table;
// Return early if processing a plugin installation action.
if ( isset( $_POST['action'] ) && 'tgmpa-bulk-install' == $_POST['action'] && $plugin_table->process_bulk_actions() || $this->do_plugin_install() ) {
return;
}
?>
<div class="tgmpa wrap">
<?php if ( version_compare( $this->wp_version, '3.8', '<' ) ) {
screen_icon( apply_filters( 'tgmpa_default_screen_icon', 'themes' ) );
} ?>
<h2><?php echo esc_html( get_admin_page_title() ); ?></h2>
<?php $plugin_table->prepare_items(); ?>
<?php if ( isset( $this->message ) ) {
echo wp_kses_post( $this->message );
} ?>
<form id="tgmpa-plugins" action="" method="post">
<input type="hidden" name="tgmpa-page" value="<?php echo $this->menu; ?>" />
<?php $plugin_table->display(); ?>
</form>
</div>
<?php
}
/**
* Installs a plugin or activates a plugin depending on the hover
* link clicked by the user.
*
* Checks the $_GET variable to see which actions have been
* passed and responds with the appropriate method.
*
* Uses WP_Filesystem to process and handle the plugin installation
* method.
*
* @since 1.0.0
*
* @uses WP_Filesystem
* @uses WP_Error
* @uses WP_Upgrader
* @uses Plugin_Upgrader
* @uses Plugin_Installer_Skin
*
* @return boolean True on success, false on failure
*/
protected function do_plugin_install() {
// All plugin information will be stored in an array for processing.
$plugin = array();
// Checks for actions from hover links to process the installation.
if ( isset( $_GET['plugin'] ) && ( isset( $_GET['tgmpa-install'] ) && 'install-plugin' == $_GET['tgmpa-install'] ) ) {
check_admin_referer( 'tgmpa-install' );
$plugin['name'] = $_GET['plugin_name']; // Plugin name.
$plugin['slug'] = $_GET['plugin']; // Plugin slug.
$plugin['source'] = $_GET['plugin_source']; // Plugin source.
// Pass all necessary information via URL if WP_Filesystem is needed.
$url = wp_nonce_url(
add_query_arg(
array(
'page' => $this->menu,
'plugin' => $plugin['slug'],
'plugin_name' => $plugin['name'],
'plugin_source' => $plugin['source'],
'tgmpa-install' => 'install-plugin',
),
admin_url( 'themes.php' )
),
'tgmpa-install'
);
$method = ''; // Leave blank so WP_Filesystem can populate it as necessary.
$fields = array( 'tgmpa-install' ); // Extra fields to pass to WP_Filesystem.
if ( false === ( $creds = request_filesystem_credentials( $url, $method, false, false, $fields ) ) ) {
return true;
}
if ( ! WP_Filesystem( $creds ) ) {
request_filesystem_credentials( $url, $method, true, false, $fields ); // Setup WP_Filesystem.
return true;
}
require_once ABSPATH . 'wp-admin/includes/plugin-install.php'; // Need for plugins_api.
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; // Need for upgrade classes.
// Set plugin source to WordPress API link if available.
if ( isset( $plugin['source'] ) && 'repo' == $plugin['source'] ) {
$api = plugins_api( 'plugin_information', array( 'slug' => $plugin['slug'], 'fields' => array( 'sections' => false ) ) );
if ( is_wp_error( $api ) ) {
wp_die( $this->strings['oops'] . var_dump( $api ) );
}
if ( isset( $api->download_link ) ) {
$plugin['source'] = $api->download_link;
}
}
// Set type, based on whether the source starts with http:// or https://.
$type = preg_match( '|^http(s)?://|', $plugin['source'] ) ? 'web' : 'upload';
// Prep variables for Plugin_Installer_Skin class.