[checkout] [redirect] Add functionality to complete the checkout thro…

…ugh a redirect instead of iFrame.

assets/scripts/jquery.form.js

@@ -1,5 +1,5 @@
 // http://stackoverflow.com/questions/4583703/jquery-post-request-not-ajax
-jQuery(function ($) {
+(function ($) {
     $.extend({
         form: function (url, data, method) {
             if (method == null) method = 'POST';
@@ -42,4 +42,4 @@ jQuery(function ($) {
             return form.appendTo('body');
         }
     });
-});
+})(jQuery);

assets/scss/admin/checkout.scss

@@ -1,5 +1,13 @@
+@import "../start";
+@import "ajax-loader";
+
 @media screen and (max-width: 782px) {
     #wpbody-content {
         padding-bottom: 0 !important;
     }
+}
+
+.fs-checkout-process-redirect {
+    padding: 40px;
+    text-align: center;
 }

includes/managers/class-fs-checkout-manager.php

@@ -0,0 +1,242 @@
+<?php
+	/**
+	 * @package     Freemius
+	 * @copyright   Copyright (c) 2015, Freemius, Inc.
+	 * @license     https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
+	 * @since       1.0.6
+	 */
+
+	if ( ! defined( 'ABSPATH' ) ) {
+		exit;
+	}
+
+	class FS_Checkout_Manager {
+
+		# region Singleton
+
+		/**
+		 * @var FS_Checkout_Manager
+		 */
+		private static $_instance;
+
+		/**
+		 * @return FS_Checkout_Manager
+		 */
+		static function instance() {
+			if ( ! isset( self::$_instance ) ) {
+				self::$_instance = new FS_Checkout_Manager();
+			}
+
+			return self::$_instance;
+		}
+
+		private function __construct() {
+		}
+
+		#endregion
+
+		/**
+		 * Retrieves the query params needed to load the Freemius Checkout in the context of the plugin.
+		 *
+		 * @param Freemius $fs
+		 * @param number   $plugin_id
+		 * @param number   $plan_id
+		 * @param number   $licenses
+		 *
+		 * @return array
+		 */
+		public function get_query_params( Freemius $fs, $plugin_id, $plan_id, $licenses ) {
+			$timestamp = time();
+
+			$context_params = array(
+				'plugin_id'      => $fs->get_id(),
+				'public_key'     => $fs->get_public_key(),
+				'plugin_version' => $fs->get_plugin_version(),
+				'mode'           => 'dashboard',
+				'trial'          => fs_request_get_bool( 'trial' ),
+				'is_ms'          => ( fs_is_network_admin() && $fs->is_network_active() ),
+			);
+
+			if ( FS_Plugin_Plan::is_valid_id( $plan_id ) ) {
+				$context_params['plan_id'] = $plan_id;
+			}
+
+			if ( $licenses === strval( intval( $licenses ) ) && $licenses > 0 ) {
+				$context_params['licenses'] = $licenses;
+			}
+
+			if ( $plugin_id == $fs->get_id() ) {
+				$is_premium = $fs->is_premium();
+
+				$bundle_id = $fs->get_bundle_id();
+				if ( ! is_null( $bundle_id ) ) {
+					$context_params['bundle_id'] = $bundle_id;
+				}
+			} else {
+				// Identify the module code version of the checkout context module.
+				if ( $fs->is_addon_activated( $plugin_id ) ) {
+					$fs_addon   = Freemius::get_instance_by_id( $plugin_id );
+					$is_premium = $fs_addon->is_premium();
+				} else {
+					// If add-on isn't activated assume the premium version isn't installed.
+					$is_premium = false;
+				}
+			}
+
+			// Get site context secure params.
+			if ( $fs->is_registered() ) {
+				$site = $fs->get_site();
+
+				if ( $plugin_id != $fs->get_id() ) {
+					if ( $fs->is_addon_activated( $plugin_id ) ) {
+						$fs_addon   = Freemius::get_instance_by_id( $plugin_id );
+						$addon_site = $fs_addon->get_site();
+						if ( is_object( $addon_site ) ) {
+							$site = $addon_site;
+						}
+					}
+				}
+
+				$context_params = array_merge(
+					$context_params,
+					FS_Security::instance()->get_context_params(
+						$site,
+						$timestamp,
+						'checkout'
+					)
+				);
+			} else {
+				$current_user = Freemius::_get_current_wp_user();
+
+				// Add site and user info to the request, this information
+				// is NOT being stored unless the user complete the purchase
+				// and agrees to the TOS.
+				$context_params = array_merge( $context_params, array(
+					'user_firstname' => $current_user->user_firstname,
+					'user_lastname'  => $current_user->user_lastname,
+					'user_email'     => $current_user->user_email,
+					'home_url'       => home_url(),
+				) );
+
+				$fs_user = Freemius::_get_user_by_email( $current_user->user_email );
+
+				if ( is_object( $fs_user ) && $fs_user->is_verified() ) {
+					$context_params = array_merge(
+						$context_params,
+						FS_Security::instance()->get_context_params(
+							$fs_user,
+							$timestamp,
+							'checkout'
+						)
+					);
+				}
+			}
+
+			if ( $fs->is_payments_sandbox() ) {
+				// Append plugin secure token for sandbox mode authentication.
+				$context_params['sandbox'] = FS_Security::instance()->get_secure_token(
+					$fs->get_plugin(),
+					$timestamp,
+					'checkout'
+				);
+
+				/**
+				 * @since 1.1.7.3 Add security timestamp for sandbox even for anonymous user.
+				 */
+				if ( empty( $context_params['s_ctx_ts'] ) ) {
+					$context_params['s_ctx_ts'] = $timestamp;
+				}
+			}
+
+			$can_user_install = (
+				( $fs->is_plugin() && current_user_can( 'install_plugins' ) ) ||
+				( $fs->is_theme() && current_user_can( 'install_themes' ) )
+			);
+
+			return array_merge( $context_params, $_GET, array(
+				// Current plugin version.
+				'plugin_version' => $fs->get_plugin_version(),
+				'sdk_version'    => WP_FS__SDK_VERSION,
+				'is_premium'     => $is_premium ? 'true' : 'false',
+				'can_install'    => $can_user_install ? 'true' : 'false',
+			) );
+		}
+
+		/**
+		 * The return URL to pass to the checkout when the checkout is loaded in "redirect" mode.
+		 *
+		 * @param Freemius $fs
+		 *
+		 * @return string
+		 */
+		public function get_checkout_redirect_return_url( Freemius $fs ) {
+			$request_url = remove_query_arg( '_wp_http_referer' );
+
+			return fs_nonce_url(
+				$fs->checkout_url(
+					fs_request_get( 'billing_cycle' ),
+					fs_request_get_bool( 'trial' ),
+					array(
+						'process_redirect' => 'true',
+						'_wp_http_referer' => $request_url,
+					)
+				),
+				$this->get_checkout_redirect_nonce_action( $fs )
+			);
+		}
+
+		/**
+		 * @param array  $query_params
+		 * @param string $base_url
+		 *
+		 * @return string
+		 */
+		public function get_full_checkout_url( array $query_params, $base_url = FS_CHECKOUT__ADDRESS ) {
+			return $base_url . '/?' . http_build_query( $query_params );
+		}
+
+		/**
+		 * Verifies the redirect after a checkout with the nonce.
+		 *
+		 * @param Freemius $fs
+		 */
+		public function verify_checkout_redirect_nonce( Freemius $fs ) {
+			check_admin_referer( $this->get_checkout_redirect_nonce_action( $fs ) );
+		}
+
+		/**
+		 * Get the URL to process a new install after the checkout.
+		 *
+		 * @param Freemius $fs
+		 * @param number   $plugin_id
+		 *
+		 * @return string
+		 */
+		public function get_install_url( Freemius $fs, $plugin_id ) {
+			return fs_nonce_url( $fs->_get_admin_page_url( 'account', array(
+				'fs_action' => $fs->get_unique_affix() . '_activate_new',
+				'plugin_id' => $plugin_id,
+			) ), $fs->get_unique_affix() . '_activate_new' );
+		}
+
+		/**
+		 * Get the URL to process a pending activation after the checkout.
+		 *
+		 * @param Freemius $fs
+		 * @param number   $plugin_id
+		 *
+		 * @return string
+		 */
+		public function get_pending_activation_url( Freemius $fs, $plugin_id ) {
+			return fs_nonce_url( $fs->_get_admin_page_url( 'account', array(
+				'fs_action'           => $fs->get_unique_affix() . '_activate_new',
+				'plugin_id'           => $plugin_id,
+				'pending_activation'  => true,
+				'has_upgrade_context' => true,
+			) ), $fs->get_unique_affix() . '_activate_new' );
+		}
+
+		private function get_checkout_redirect_nonce_action( Freemius $fs ) {
+			return $fs->get_unique_affix() . '_checkout_redirect';
+		}
+	}

require.php

@@ -27,6 +27,7 @@
 	require_once WP_FS__DIR_INCLUDES . '/managers/class-fs-clone-manager.php';
 	require_once WP_FS__DIR_INCLUDES . '/managers/class-fs-permission-manager.php';
 	require_once WP_FS__DIR_INCLUDES . '/managers/class-fs-cache-manager.php';
+	require_once WP_FS__DIR_INCLUDES . '/managers/class-fs-checkout-manager.php';
 	require_once WP_FS__DIR_INCLUDES . '/managers/class-fs-admin-notice-manager.php';
 	require_once WP_FS__DIR_INCLUDES . '/managers/class-fs-admin-menu-manager.php';
 	require_once WP_FS__DIR_INCLUDES . '/managers/class-fs-key-value-storage.php';

templates/checkout.php

@@ -6,4 +6,22 @@
 	 * @since       1.0.3
 	 */
 
-	fs_require_template( 'checkout/frame.php', $VARS );
+	/**
+	 * @var array    $VARS
+	 * @var Freemius $fs
+	 */
+	$fs = freemius( $VARS['id'] );
+
+	if ( fs_request_get_bool( 'redirect' ) ) {
+		fs_require_template( 'checkout/redirect.php', $VARS );
+	} else if ( fs_request_get_bool( 'process_redirect' ) ) {
+		fs_require_template( 'checkout/process-redirect.php', $VARS );
+	} else {
+		$fs = freemius( $VARS['id'] );
+
+		if ( $fs->is_premium() ) {
+			fs_require_template( 'checkout/frame.php', $VARS );
+		} else {
+			fs_require_template( 'checkout/redirect.php', $VARS );
+		}
+	}