postpromoterpro / post-promoter-pro

<?php

/*

Plugin Name: Post Promoter Pro

Plugin URI: https://postpromoterpro.com

Description: Maximize your social media presence on Twitter, Facebook, and LinkedIn.

Version: 2.3.26

Author: Post Promoter Pro

Author URI: https://postpromoterpro.com

License: GPLv2

*/

define( 'PPP_PATH', plugin_dir_path( __FILE__ ) );

define( 'PPP_VERSION', '2.3.26' );

define( 'PPP_FILE', plugin_basename( __FILE__ ) );

define( 'PPP_URL', plugins_url( '/', PPP_FILE ) );

define( 'PPP_STORE_URL', 'https://postpromoterpro.com' );

define( 'PPP_PLUGIN_NAME', 'Post Promoter Pro' );

if( !class_exists( 'EDD_SL_Plugin_Updater' ) ) {

	// load our custom updater

	include( PPP_PATH . '/includes/EDD_SL_Plugin_Updater.php' );

}

class PostPromoterPro {

	private static $ppp_instance;

	private function __construct() {

		add_action( 'init', array( $this, 'ppp_loaddomain' ), 1 );

		if ( ! is_callable( 'curl_init' ) ) {

			add_action( 'admin_notices', array( $this, 'no_curl' ) );

		} else {

			global $ppp_options, $ppp_social_settings, $ppp_share_settings;

			include PPP_PATH . '/includes/general-functions.php';

			include PPP_PATH . '/includes/share-functions.php';

			include PPP_PATH . '/includes/cron-functions.php';

			include PPP_PATH . '/includes/filters.php';

			include PPP_PATH . '/includes/libs/social-loader.php';

			if( ! class_exists( 'WP_Logging' ) ) {

				include PPP_PATH . '/includes/libs/class-wp-logging.php';

			}

			if ( is_admin() ) {

				include PPP_PATH . '/includes/admin/upgrades.php';

				include PPP_PATH . '/includes/admin/do-upgrades.php';

				include PPP_PATH . '/includes/admin/actions.php';

				include PPP_PATH . '/includes/admin/admin-pages.php';

				include PPP_PATH . '/includes/admin/admin-ajax.php';

				include PPP_PATH . '/includes/admin/meta-boxes.php';

				include PPP_PATH . '/includes/admin/welcome.php';

				include PPP_PATH . '/includes/admin/dashboard.php';

			}

			$ppp_options         = get_option( 'ppp_options' );

			$ppp_social_settings = get_option( 'ppp_social_settings' );

			$ppp_share_settings  = get_option( 'ppp_share_settings' );

			// Do some leg work on the social settings for Issue #257

			if ( is_array( $ppp_share_settings ) && ! array_key_exists( 'share_on_publish', $ppp_share_settings ) ) {

				$tw_share_on_publish = ! empty( $ppp_share_settings['twitter']['share_on_publish'] ) ? true : false;

				$fb_share_on_publish = ! empty( $ppp_share_settings['facebook']['share_on_publish'] ) ? true : false;

				$li_share_on_publish = ! empty( $ppp_share_settings['linkedin']['share_on_publish'] ) ? true : false;

				unset(

					$ppp_share_settings['twitter']['share_on_publish'],

					$ppp_share_settings['facebook']['share_on_publish'],

					$ppp_share_settings['linkedin']['share_on_publish']

				);

				$post_types = ppp_supported_post_types();

				foreach ( $post_types as $key => $post_type ) {

					$ppp_share_settings['share_on_publish'][ $key ]['twitter'] = $tw_share_on_publish;

					$ppp_share_settings['share_on_publish'][ $key ]['facebook'] = $fb_share_on_publish;

					$ppp_share_settings['share_on_publish'][ $key ]['linkedin'] = $li_share_on_publish;

				}

				update_option( 'ppp_share_settings', $ppp_share_settings );

			}

			$this->hooks();

		}

	}

	/**

	 * Get the singleton instance of our plugin

	 * @return class The Instance

	 * @access public

	 */

	public static function getInstance() {

		if ( !self::$ppp_instance ) {

			self::$ppp_instance = new PostPromoterPro();

		}

		return self::$ppp_instance;

	}

	/**

	 * Nag if cURL is disabled

	 * @return void

	 */

	public function no_curl() {

		?>

		<div class="no-curl">

			<p><?php _e( 'Post Promoter Pro requires cURL to be enabled. Please enable it to continue using the plugin.', 'ppp-txt' ); ?></p>

		</div>

		<?php

	}

	private function hooks() {

		if ( is_admin() ) {

			add_action( 'admin_init', array( $this, 'ppp_register_settings' ) );

			add_action( 'admin_init', 'ppp_upgrade_plugin', 1 );

			// Handle licenses

			add_action( 'admin_init', array( $this, 'plugin_updater' ) );

			add_action( 'admin_init', array( $this, 'activate_license' ) );

			add_action( 'admin_init', array( $this, 'deactivate_license' ) );

			add_action( 'admin_menu', array( $this, 'ppp_setup_admin_menu' ), 1000, 0 );

			add_filter( 'plugin_action_links', array( $this, 'plugin_settings_links' ), 10, 2 );

			add_action( 'admin_enqueue_scripts', array( $this, 'load_custom_scripts' ), 99 );

			add_action( 'admin_enqueue_scripts', array( $this, 'load_styles' ), 99999 );

			add_action( 'wp_trash_post', 'ppp_remove_scheduled_shares', 10, 1 );

			if ( ppp_is_dev_or_staging() ) {

				add_action( 'admin_notices', array( $this, 'local_site_nag' ) );

			}

			add_action( 'admin_notices', array( $this, 'general_notices' ) );

		}

		add_action( 'init', array( $this, 'get_actions' ) );

		add_action( 'save_post', 'ppp_schedule_share', 99, 2);

		add_action( 'wp_insert_post', 'ppp_schedule_share', 99, 2);

		add_action( 'transition_post_status', 'ppp_share_on_publish', 99, 3);

		add_action( 'init', 'ppp_add_image_sizes' );

		add_filter( 'wp_log_types', array( $this, 'register_log_type' ), 10, 1 );

	}

	/**

	 * Queue up the JavaScript file for the admin page, only on our admin page

	 * @param  string $hook The current page in the admin

	 * @return void

	 * @access public

	 */

	public function load_custom_scripts( $hook ) {

		$allowed_pages = array(

			'toplevel_page_ppp-options',

			'post-promoter_page_ppp-social-settings',

			'post-new.php',

			'post.php',

			'post-promoter_page_ppp-schedule-info',

			'profile.php',

			'user-edit.php',

		);

		$allowed_pages = apply_filters( 'ppp_admin_scripts_pages', $allowed_pages, $hook );

		if ( ! in_array( $hook, $allowed_pages ) ) {

			return;

		}

		wp_enqueue_script( 'jquery-ui-core' );

		wp_enqueue_script( 'jquery-ui-datepicker' );

		$jquery_ui_timepicker_path = PPP_URL . 'includes/scripts/libs/jquery-ui-timepicker-addon.js';

		wp_enqueue_script( 'ppp_timepicker_js', $jquery_ui_timepicker_path , array( 'jquery', 'jquery-ui-core' ), PPP_VERSION, true );

		wp_enqueue_script( 'ppp_core_custom_js', PPP_URL.'includes/scripts/js/ppp_custom.js', 'jquery', PPP_VERSION, true );

	}

	public function load_styles() {

		global $wp_styles;

		// List of people who make it impossible to override their jQuery UI as it's in their core CSS...so only

		// load ours if they don't exist

		if ( ! wp_style_is( 'ot-admin-css' ) && ! wp_style_is( 'jquery-ui-css' ) ) {

			wp_enqueue_style( 'jquery-ui-css', '//ajax.googleapis.com/ajax/libs/jqueryui/1.8.2/themes/flick/jquery-ui.css' );

		}

		wp_register_style( 'ppp_admin_css', PPP_URL . 'includes/scripts/css/admin-style.css', false, PPP_VERSION );

		wp_enqueue_style( 'ppp_admin_css' );

		$sources = array_map( 'basename', (array) wp_list_pluck( $wp_styles->registered, 'src' ) );

		if ( ! in_array( 'font-awesome.css', $sources ) || in_array( 'font-awesome.min.css', $sources )  ) {

			wp_register_style( 'font-awesome', '//maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css', false, null );

			wp_enqueue_style( 'font-awesome' );

		}

	}

	/**

	 * Adds the Settings and Post Promoter Pro Link to the Settings page list

	 * @param  array $links The current list of links

	 * @param  string $file The plugin file

	 * @return array        The new list of links, with our additional ones added

	 * @access public

	 */

	public function plugin_settings_links( $links, $file ) {

		if ( $file != PPP_FILE ) {

			return $links;

		}

		$settings_link = sprintf( '<a href="%s">%s</a>', admin_url( 'admin.php?page=ppp-options' ), __( 'Settings', 'ppp-txt' ) );

		array_unshift( $links, $settings_link );

		return $links;

	}

	/**

	 * Returns the capability (or role) required to manage the plugin.

	 *

	 * @return string A WordPress capability or role name.

	 */

	public static function get_manage_capability() {

		return apply_filters( 'ppp_manage_role', 'manage_options' );

	}

	/**

	 * Add the Pushover Notifications item to the Settings menu

	 * @return void

	 * @access public

	 */

	public function ppp_setup_admin_menu() {

		$capability = self::get_manage_capability();

		add_menu_page(

			__( 'Post Promoter', 'ppp-txt' ),

			__( 'Post Promoter', 'ppp-txt' ),

			$capability,

			'ppp-options',

			'ppp_admin_page'

		);

		add_submenu_page(

			'ppp-options',

			__( 'Social Settings', 'ppp-txt' ),

			__( 'Social Settings', 'ppp-txt' ),

			$capability,

			'ppp-social-settings',

			'ppp_display_social'

		);

		add_submenu_page(

			'ppp-options',

			__( 'Schedule', 'ppp-txt' ),

			__( 'Schedule', 'ppp-txt' ),

			$capability,

			'ppp-schedule-info',

			'ppp_display_schedule'

		);

		add_submenu_page(

			'ppp-options',

			__( 'System Info', 'ppp-txt' ),

			__( 'System Info', 'ppp-txt' ),

			$capability,

			'ppp-system-info',

			'ppp_display_sysinfo'

		);

		add_submenu_page(

			null,

			__( 'PPP Upgrades', 'ppp-txt' ),

			__( 'PPP Upgrades', 'ppp-txt' ),

			$capability,

			'ppp-upgrades',

			'ppp_upgrades_screen'

		);

	}

	/**

	 * Register/Whitelist our settings on the settings page, allow extensions and other plugins to hook into this

	 * @return void

	 * @access public

	 */

	public function ppp_register_settings() {

		register_setting( 'ppp-options', 'ppp_options' );

		register_setting( 'ppp-options', '_ppp_license_key', array( $this, 'ppp_sanitize_license' ) );

		register_setting( 'ppp-social-settings', 'ppp_social_settings' );

		register_setting( 'ppp-share-settings', 'ppp_share_settings' );

		do_action( 'ppp_register_additional_settings' );

	}

	/**

	 * Load the Text Domain for i18n

	 * @return void

	 * @access public

	 */

	public function ppp_loaddomain() {

		load_plugin_textdomain( 'ppp-txt', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );

	}

	/**

	 * Sets up the EDD SL Plugin updated class

	 * @return void

	 */

	public function plugin_updater() {

		global $ppp_options;

		if ( defined( 'NO_AUTO_UPDATE' ) && true === NO_AUTO_UPDATE ) {

			return;

		}

		$license_key = trim( get_option( '_ppp_license_key' ) );

		if ( empty( $license_key ) ) {

			add_action( 'admin_notices', array( $this, 'no_license_nag' ) );

			return;

		}

		// setup the updater

		$edd_updater = new EDD_SL_Plugin_Updater( PPP_STORE_URL, __FILE__, array(

				'version'   => PPP_VERSION,         // current version number

				'license'   => $license_key,        // license key (used get_option above to retrieve from DB)

				'item_name' => PPP_PLUGIN_NAME,     // name of this plugin

				'author'    => 'Post Promoter Pro',  // author of this plugin

				'beta'      => ! empty( $ppp_options['enable_betas'] ) ? true : false, // If we should install beta versions

			)

		);

	}

	/**

	 * If no license key is saved, show a notice

	 * @return void

	 */

	public function no_license_nag() {

		?>

		<div class="updated">

			<p>

				<?php printf(

					 __( 'Post Promoter Pro requires your license key to work, please <a href="%s">enter it now</a>.', 'ppp-txt' ),

						  admin_url( 'admin.php?page=ppp-options' )

					 );

				?>

			</p>

		</div>

		<?php

	}

	/**

	 * If site is detected as local, show notice

	 * @return void

	 */

	public function local_site_nag() {

		$dismissed = get_option( 'ppp_local_url_notice_dismissed' );

		if ( ! empty( $dismissed ) ) {

			return;

		}

		?>

		<script type="text/javascript">

			jQuery( document ).ready( function() {

				jQuery('#ppp-local-url-notice').on('click', '.notice-dismiss', function (event) {

					event.preventDefault();

					jQuery.ajax({

						type   : 'post',

						url    : ajaxurl,

						data   : {

							action: 'ppp_local_url_notice_dismiss',

							nonce : jQuery(this).parent().data('nonce'),

						},

						success: function (response) {

						}

					});

				});

			} );

		</script>

		<div id="ppp-local-url-notice" data-nonce="<?php echo wp_create_nonce( 'ppp_local_url_notice_nonce' ); ?>" class="notice notice-info is-dismissible">

			<p>

				<?php

					_e( 'Post Promoter Pro has detected a development or staging site. To prevent unintended social media posts, sharing has been disabled.', 'ppp-txt' );

				?>

			</p>

		</div>

		<?php

	}

	public function general_notices() {

		global $ppp_social_settings;

		if ( ! empty( $ppp_social_settings['linkedin'] ) && empty( $ppp_social_settings['linkedin']->id ) ) {

			?>

			<div id="ppp-linked-update-notice" class="notice notice-error">

				<p>

					<?php

					_e( 'Due to changes in the LinkedIn API, you will need to reauthenticate your LinkedIn account with Post Promoter Pro. Please disconnect your LinkedIn account and re-connect it in order to continue sharing your content to LinkedIn.', 'ppp-txt' );

					?>

				</p>

			</div>

			<?php

		}

	}

	/**

	 * Deactivates the license key

	 * @return void

	 */

	public function deactivate_license() {

		// listen for our activate button to be clicked

		if( isset( $_POST['ppp_license_deactivate'] ) ) {

			// run a quick security check

			if( ! check_admin_referer( 'ppp_deactivate_nonce', 'ppp_deactivate_nonce' ) ) {

				return;

			}

			// get out if we didn't click the Activate button

			// retrieve the license from the database

			$license = trim( get_option( '_ppp_license_key' ) );

			// data to send in our API request

			$api_params = array(

				'edd_action'=> 'deactivate_license',

				'license' 	=> $license,

				'item_name' => urlencode( PPP_PLUGIN_NAME ) // the name of our product in EDD

			);

			// Call the custom API.

			$response = wp_remote_get( add_query_arg( $api_params, PPP_STORE_URL ), array( 'timeout' => 15, 'sslverify' => false ) );

			// make sure the response came back okay

			if ( is_wp_error( $response ) ) {

				return false;

			}

			// decode the license data

			$license_data = json_decode( wp_remote_retrieve_body( $response ) );

			// $license_data->license will be either "deactivated" or "failed"

			if( $license_data->license == 'deactivated' ) {

				delete_option( '_ppp_license_key_status' );

			}

		}

	}

	/**

	 * Activates the license key provided

	 * @return void

	 */

	public function activate_license() {

		// listen for our activate button to be clicked

		if( isset( $_POST['ppp_license_activate'] ) ) {

			// run a quick security check

			if( ! check_admin_referer( 'ppp_activate_nonce', 'ppp_activate_nonce' ) ) {

				return;

			}

			// get out if we didn't click the Activate button

			// retrieve the license from the database

			$license = trim( get_option( '_ppp_license_key' ) );

			// data to send in our API request

			$api_params = array(

				'edd_action' => 'activate_license',

				'license'    => $license,

				'item_name'  => urlencode( PPP_PLUGIN_NAME ),

			);

			// Call the custom API.

			$response = wp_remote_get( add_query_arg( $api_params, PPP_STORE_URL ), array( 'timeout' => 15, 'sslverify' => false ) );

			// make sure the response came back okay

			if ( is_wp_error( $response ) ) {

				return false;

			}

			// decode the license data

			$license_data = json_decode( wp_remote_retrieve_body( $response ) );

			// $license_data->license will be either "active" or "inactive"

			update_option( '_ppp_license_key_status', $license_data->license );

		}

	}

	/**

	 * Sanatize the liscense key being provided

	 * @param  string $new The License key provided

	 * @return string      Sanitized license key

	 */

	public function ppp_sanitize_license( $new ) {

		$old = get_option( '_ppp_license_key' );

		if( $old && $old != $new ) {

			delete_option( '_ppp_license_key_status' ); // new license has been entered, so must reactivate

		}

		return $new;

	}

	/**

	 * Hook to listen for our actions

	 *

	 * @return void

	 */

	public function get_actions() {

		if ( isset( $_GET['ppp_action'] ) ) {

			do_action( 'ppp_' . $_GET['ppp_action'], $_GET );

		}

	}

	/**

	 * Register our log type for when items are shared

	 *

	 * @since  2.3

	 * @param  array $log_types Array of log types

	 * @return array

	 */

	public function register_log_type( $log_types ) {

		$types[] = 'ppp_share';

		return $types;

	}

}

/**

 * Load and access the one true instance of Post Promoter Pro

 *

 * @return object The Post_Promoter_Pro instance

 */

function post_promoter_pro() {

	return PostPromoterPro::getInstance();

}

add_action( 'plugins_loaded', 'post_promoter_pro' );

/**

 * On activation, setup the default options

 * @return void

 */

function post_promoter_pro_activation_setup() {

	// If the settings already exist, don't do this

	if ( get_option( 'ppp_options' ) ) {

		return;

	}

	$default_settings['post_types']['post'] = '1';

	update_option( 'ppp_options', $default_settings );

	$default_share_settings['share_on_publish'] = array(

		'post' => array(

			'twitter'  => 1,

			'facebook' => 1,

			'linkedin' => 1,

		),

	);

	update_option( 'ppp_share_settings', $default_share_settings );

	update_option( 'ppp_completed_upgrades', array( 'upgrade_post_meta', 'fix_scheduled_shares_2319' ) );

}

register_activation_hook( PPP_FILE, 'post_promoter_pro_activation_setup' );