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编辑当前文件:/home/pulsehostuk9/public_html/wp-content/plugins/whatsapp-for-wordpress/includes/Cross.php

<?php
defined( 'ABSPATH' ) || exit;

if ( ! class_exists( 'NjtCross' ) ) {
	class NjtCross {

public $pluginPrefix           = '';
		public $pluginInstallSearching = '';
		public $pluginDirURL           = '';
		public $pluginFolderSlug       = '';

public $showPopup = false;

protected static $instance = null;

public function __construct( $pluginPrefix, $pluginInstallSearching, $pluginDirURL, $pluginFolderSlug ) {
			$this->pluginPrefix           = $pluginPrefix;
			$this->pluginInstallSearching = $pluginInstallSearching;
			$this->pluginDirURL           = $pluginDirURL;
			$this->pluginFolderSlug       = $pluginFolderSlug;
		}

public static function get_instance( $pluginPrefix, $pluginInstallSearching, $pluginDirURL, $pluginFolderSlug ) {
			if ( null == self::$instance ) {
				self::$instance = new static( $pluginPrefix, $pluginInstallSearching, $pluginDirURL, $pluginFolderSlug );
				self::$instance->doHooks();
			}
			return self::$instance;
		}

public function is_plugin_exist() {
			if ( ! function_exists( 'get_plugins' ) ) {
				require_once ABSPATH . 'wp-admin/includes/plugin.php';
			}
			$all_plugins = get_plugins();

if ( is_array( $this->pluginFolderSlug ) ) {
				foreach ( $this->pluginFolderSlug as $slug ) {
					if ( array_key_exists( $slug, $all_plugins ) ) {
						return true;
					}
				}
			} elseif ( array_key_exists( $this->pluginFolderSlug, $all_plugins ) ) {
					return true;
			}

return false;
		}

public function doHooks() {
			add_action(
				'init',
				function () {
					if ( ! $this->is_plugin_exist() ) {
						$notificationOption = get_option( "njt_notification_{$this->pluginPrefix}_cross" ); //Save the next time notification will appear
						$popupOption        = get_option( "njt_popup_{$this->pluginPrefix}_cross" ); //Save the next time notification will appear

if ( $notificationOption === false || time() >= $notificationOption ) {
							add_action( 'admin_notices', array( $this, 'add_notification' ) );
							add_action( "wp_ajax_njt_{$this->pluginPrefix}_cross_notification", array( $this, 'ajax_set_notification' ) );
						}

if ( $popupOption === false || time() >= $popupOption ) {
							$this->showPopup = true;
						}

add_action( 'wp_dashboard_setup', array( $this, 'add_dashboard' ) );
						add_action( 'admin_footer', array( $this, 'add_global_script_styles' ) );
						add_action( "wp_ajax_njt_{$this->pluginPrefix}_cross_install", array( $this, 'ajax_install_plugin' ) );
						add_action( "wp_ajax_njt_{$this->pluginPrefix}_cross_hide", array( $this, 'ajax_hide_cross' ) );
					}
				}
			);
		}

public function need_update_option() {
			$time = time() + ( 1 * 60 * 60 * 24 ); //1 day
			update_option( "njt_popup_{$this->pluginPrefix}_cross", $time );
			update_option( "njt_notification_{$this->pluginPrefix}_cross", $time );
		}

public function add_global_script_styles() {
			if ( function_exists( 'current_user_can' ) && current_user_can( 'install_plugins' ) ) {
				$nonce = wp_create_nonce( 'install-plugin_' . $this->pluginPrefix );
				$url   = self_admin_url( 'update.php?action=install-plugin&plugin=' . $this->pluginPrefix . '&_wpnonce=' . $nonce );
			} else {
				$url = admin_url( "plugin-install.php?s={$this->pluginInstallSearching}&tab=search&type=term" );
			}

if ( function_exists( 'get_current_screen' ) ) {
				$screen = get_current_screen();
				if ( ! in_array( $screen->id, array( 'plugins', 'dashboard', 'upload' ) ) ) {
					return;
				}
			} else {
				return;
			}

wp_register_script( "njt-popup-{$this->pluginPrefix}-cross", $this->pluginDirURL . 'assets/js/cross.js', array( 'jquery' ), '1.0', true );
			wp_localize_script(
				"njt-popup-{$this->pluginPrefix}-cross",
				'njtCross',
				array(
					'nonce'                => wp_create_nonce( "njt_{$this->pluginPrefix}_cross_nonce" ),
					'media_url'            => admin_url( 'upload.php' ),
					'filebird_install_url' => $url,
					'show_popup'           => $this->showPopup,
				)
			);
			wp_enqueue_script( "njt-popup-{$this->pluginPrefix}-cross" );
			?>
			<style>
				@-webkit-keyframes rotate360{to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes rotate360{to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@-webkit-keyframes dotLoad{0%{opacity:1}to{opacity:.1}}@keyframes dotLoad{0%{opacity:1}to{opacity:.1}}.fbv-icon{background-color:transparent;background-position:50%;background-repeat:no-repeat;background-size:contain;display:inline-block;height:1em;width:1em}.fbv-i-folder{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M10 4H4c-1.11 0-2 .89-2 2v12a2 2 0 002 2h16a2 2 0 002-2V8a2 2 0 00-2-2h-8l-2-2z'/%3E%3C/svg%3E")}.fbv-cross-wrap{bottom:45px;position:fixed;right:30px;-webkit-transition:all .4s ease;-o-transition:all .4s ease;transition:all .4s ease;-webkit-transition-delay:.5s;-o-transition-delay:.5s;transition-delay:.5s;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;z-index:100000}.fbv-cross-wrap.fbv_permanent_hide{opacity:0;pointer-events:none}.fbv-cross-link{color:#a1a1a1;font-size:12px;text-decoration:none}.fbv-cross-link:active,.fbv-cross-link:focus,.fbv-cross-link:hover{-webkit-box-shadow:none;box-shadow:none;color:#a1a1a1;opacity:.8;outline:none}.fbv-cross-popup{cursor:pointer;position:relative;z-index:100}.fbv-cross-icon-wrap{background-color:#0085ba;-webkit-box-shadow:0 6px 10px 2px rgba(0,0,0,.1);box-shadow:0 6px 10px 2px rgba(0,0,0,.1);line-height:1;position:relative;height:56px;width:56px;border-radius:56px}.fbv-cross-icon-wrap i{color:#fff;font-size:32px;left:50%;margin-left:-16px;margin-top:-16px;position:absolute;top:50%;-webkit-transition:all .4s ease;-o-transition:all .4s ease;transition:all .4s ease}.fbv-cross-popup-open .fbv-cross-icon-wrap i.fbv-icon{opacity:0;-webkit-transform:rotate(1turn);-ms-transform:rotate(1turn);transform:rotate(1turn)}.fbv-cross-icon-wrap i.dashicons{opacity:0;-webkit-transform:rotate(0);-ms-transform:rotate(0);transform:rotate(0);height:auto;width:auto}.fbv-cross-popup-open .fbv-cross-icon-wrap i.dashicons{opacity:1;-webkit-transform:rotate(1turn);-ms-transform:rotate(1turn);transform:rotate(1turn)}.fbv-cross-sub{background-color:#fff;border-radius:3px;-webkit-box-shadow:0 2px 10px 0 rgba(0,0,0,.1);box-shadow:0 2px 10px 0 rgba(0,0,0,.1);color:#0085ba;font-size:14px;font-weight:500;margin:-13px 10px 0 0;padding:4px 12px;position:absolute;right:100%;top:50%;-webkit-transition:all .4s ease;-o-transition:all .4s ease;transition:all .4s ease;white-space:nowrap}.fbv-cross-popup-open .fbv-cross-sub{opacity:0;pointer-events:none;-webkit-transform:translateY(15px);-ms-transform:translateY(15px);transform:translateY(15px);visibility:hidden}.fbv-cross-window{background-color:#fff;border-radius:3px;bottom:100%;-webkit-box-shadow:0 10px 10px 4px rgba(0,0,0,.04);box-shadow:0 10px 10px 4px rgba(0,0,0,.04);margin-bottom:15px;opacity:0;pointer-events:none;position:absolute;right:-5px;-webkit-transform:translateY(50px);-ms-transform:translateY(50px);transform:translateY(50px);-webkit-transition:all .4s ease;-o-transition:all .4s ease;transition:all .4s ease;visibility:hidden;width:360px;z-index:99}.fbv-cross-window-mess{background-color:#0085ba;border-radius:3px 3px 0 0;color:#fff;padding:15px 20px}.fbv-cross-window-mess h3{color:#fff;font-size:14px;margin:0 0 10px}.fbv-cross-window-mess span{font-size:14px;line-height:1.5;opacity:.9}.fbv-cross-window-img-wrap{padding:20px}.fbv-cross-window-img-wrap img{max-width:100%}.fbv-cross-window-btn{padding:5px 20px 25px;text-align:center}.fbv-cross-window-btn .button-primary{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;font-weight:500;height:42px;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;margin-bottom:10px;max-width:100%;min-width:162px;padding:0 20px}.fbv-cross-window-btn .button-primary,.fbv-cross-window-btn .button-primary:active,.fbv-cross-window-btn .button-primary:focus,.fbv-cross-window-btn .button-primary:hover{-webkit-box-shadow:none;box-shadow:none;outline:none}.fbv-cross-window-btn .button-primary i{margin-right:8px}.fbv-cross-window-btn .button-primary .dashicons-saved{background-color:#fff;color:#0085ba;font-size:18px;height:18px;width:18px;border-radius:18px}.fbv-cross-window-btn .button-primary.fbv_installing,.fbv-cross-window-btn .button-primary.fbv_installing:active,.fbv-cross-window-btn .button-primary.fbv_installing:focus,.fbv-cross-window-btn .button-primary.fbv_installing:hover{background-color:#e4f7ff;border-color:#e4f7ff;color:#0085ba;cursor:not-allowed}.fbv-cross-window-btn .button-primary.fbv_installing i{-webkit-animation:rotate360 1s linear infinite both;animation:rotate360 1s linear infinite both}.fbv-cross-popup-open .fbv-cross-window{opacity:1;pointer-events:all;-webkit-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0);visibility:visible}.fbv-noti-install-failed{margin-bottom:10px;margin-top:5px}.fbv-noti-install-failed a{font-weight:600}.fbv-label-error{color:#e90808;margin-bottom:2px}.text-dots:after,.text-dots:before{content:"."}.text-dots:after,.text-dots:before,.text-dots span{-webkit-animation:dotLoad 1s linear 1s infinite alternate;animation:dotLoad 1s linear 1s infinite alternate;opacity:.1}.text-dots:before{-webkit-animation-delay:.5s;animation-delay:.5s}.text-dots:after{-webkit-animation-delay:1.5s;animation-delay:1.5s}
			</style>
			<?php
		}

public function add_notification() {
			if ( function_exists( 'get_current_screen' ) ) {
				$screen = get_current_screen();
				if ( ! in_array( $screen->id, array( 'plugins' ) ) ) {
					return;
				}
			} else {
				return;
			}

if ( function_exists( 'current_user_can' ) && current_user_can( 'install_plugins' ) ) {
				$nonce = wp_create_nonce( 'install-plugin_' . $this->pluginPrefix );
				$url   = self_admin_url( 'update.php?action=install-plugin&plugin=' . $this->pluginPrefix . '&_wpnonce=' . $nonce );
			} else {
				$url = admin_url( "plugin-install.php?s={$this->pluginInstallSearching}&tab=search&type=term" );
			}
			?>
			<div class="notice notice-info is-dismissible" id="njt-ads-wrapper">
				<div class="njt-d-row njt-justify-between">
					<div class="njt-ads-info">
					<h4 class="njt-ads-title"><?php _e( 'Recommend', 'ninjateam-whatsapp' ); ?></h4>
					<p>To easily manage your files in WordPress media library with folders, please try FileBird plugin.</p>
					<div class="njt-btn-row">
						<a class="button button-primary" target="_blank" rel="noopener noreferrer" href="<?php echo esc_url( $url ); ?>">
							<strong>I'm feeling lucky</strong>
						</a>
						<a class="button button-secondary" target="_blank" rel="noopener noreferrer" href="https://1.envato.market/FileBird-Premium-WP">
							<strong>Go FileBird Pro</strong>
						</a>
						<a class="fbv-cross-link fbv-cross-hide-notification" href="javascript:;">
							No, thanks
						</a>
					</div>
					</div>
					<img class="njt-ads-img" src="<?php echo NTA_WHATSAPP_PLUGIN_URL . 'assets/img/FB_Wireframe.png'; ?>" alt="filebird">
				</div>
			</div>
			<style>
				.njt-d-row{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex}.njt-justify-between{-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.njt-ads-info{padding:15px 0 30px}@media screen and (max-width:782px){.njt-ads-info{padding:0}}.njt-ads-info p{margin-bottom:25px}.njt-ads-title{font-size:16px;margin:0 0 15px}.njt-ads-img{max-width:252px}.njt-btn-row{line-height:30px}.njt-btn-row>.button{margin-right:10px}
			</style>
			<?php
		}

public function add_dashboard() {
			wp_add_dashboard_widget( 'dashboard_widget', 'Recommended', array( $this, 'add_dashboard_widget' ) );
		}

public function add_dashboard_widget() {
			?>
			<style>
				#dashboard-widgets .njt-postbox-title-wrap {
					margin: 15px 0;
				}
				#dashboard-widgets .njt-postbox-title-wrap>h3 {
					font-size: 14px;
					font-weight: 600;
					padding: 0;
					margin: 0 0 10px;
					border: 0;
				}
				#dashboard-widgets .njt-postbox-title-wrap>span {
						font-size: 14px;
				opacity: .9;
					}
				#dashboard-widgets .fbv-cross-window-img-wrap {
				padding: 10px 0 20px;
				}
				.fbv-cross-go-pro{
					font-weight: bold;
					color: #2c7cb9;
				}
			</style>
			<div class="njt-wrap-postbox">
				<div class="njt-postbox-title-wrap">
				<h3>Your WordPress media library is messy?</h3>
				<span>Start using FileBird to organize your files into folders by drag and drop.</span>
				</div>
				<div class="fbv-cross-window-img-wrap">
				<img src="https://ps.w.org/filebird/assets/screenshot-2.gif" alt="screenshot_demo">
				</div>
				<div class="fbv-cross-window-btn">
				<div><a class="button button-primary fbv-cross-install" href="javascript:;"><i class="dashicons dashicons-wordpress-alt"></i>Install for free</a></div>
				<div><a class="fbv-cross-go-pro" href="https://1.envato.market/FileBird-Pro-WP" target="_blank" rel="noopener noreferrer">Go Pro</a></div>
				</div>
			</div>
			<?php
		}

public function ajax_install_plugin() {
			if ( ! function_exists( 'current_user_can' ) || ! current_user_can( 'install_plugins' ) ) {
				wp_send_json_error( array( 'message' => 'Current user cannot install this plugin' ) );
			}
			check_ajax_referer( 'njt_filebird_cross_nonce', 'nonce', true );

$installed = $this->pluginInstaller( 'filebird' );
			if ( $installed === false ) {
				wp_send_json_error( array( 'message' => $installed ) );
			}
			try {
				$result = activate_plugin( 'filebird/filebird.php' );

if ( is_wp_error( $result ) ) {
					throw new \Exception( $result->get_error_message() );
				}
				wp_send_json_success();
			} catch ( \Exception $e ) {
				throw new \Exception( $e->getMessage() );
			}
		}

public function pluginInstaller( $slug ) {
			require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
			require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
			require_once ABSPATH . 'wp-admin/includes/class-wp-ajax-upgrader-skin.php';
			require_once ABSPATH . 'wp-admin/includes/class-plugin-upgrader.php';

$api      = plugins_api(
				'plugin_information',
				array(
					'slug'   => $slug,
					'fields' => array(
						'short_description' => false,
						'sections'          => false,
						'requires'          => false,
						'rating'            => false,
						'ratings'           => false,
						'downloaded'        => false,
						'last_updated'      => false,
						'added'             => false,
						'tags'              => false,
						'compatibility'     => false,
						'homepage'          => false,
						'donate_link'       => false,
					),
				)
			);
			$skin     = new \WP_Ajax_Upgrader_Skin();
			$upgrader = new \Plugin_Upgrader( $skin );
			try {
				$result = $upgrader->install( $api->download_link );

if ( is_wp_error( $result ) ) {
					throw new \Exception( $result->get_error_message() );
				}

return true;
			} catch ( \Exception $e ) {
				throw new \Exception( $e->getMessage() );
			}

return false;
		}

public function ajax_set_notification() {
			check_ajax_referer( "njt_{$this->pluginPrefix}_cross_nonce", 'nonce', true );
			//Save after 30 days
			update_option( "njt_notification_{$this->pluginPrefix}_cross", time() + ( 30 * 60 * 60 * 24 ) );
			wp_send_json_success();
		}

public function ajax_hide_cross() {
			check_ajax_referer( "njt_{$this->pluginPrefix}_cross_nonce", 'nonce', true );

$type = sanitize_text_field( $_POST['type'] );
			$time = time() + ( 30 * 60 * 60 * 24 ); // hide 30 days

update_option( "njt_{$type}_{$this->pluginPrefix}_cross", $time );
			wp_send_json_success();
		}
	}
}

if ( ! class_exists( 'FileBirdCross' ) ) {
	class FileBirdCross extends NjtCross {
		public function is_plugin_exist() {
			return (
				defined( 'NJT_FILEBIRD_VERSION' ) ||
				defined( 'NJFB_VERSION' ) ||
				parent::is_plugin_exist()
			);
		}
	}

FileBirdCross::get_instance( 'filebird', 'filebird+ninjateam', NTA_WHATSAPP_PLUGIN_URL, array( 'filebird/filebird.php', 'filebird-pro/filebird.php' ) );
}