first commit

wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-wpdesk-fs-compatibility/composer.json

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+{
+    "name": "wpdesk\/wp-wpdesk-fs-compatibility",
+    "authors": [
+        {
+            "name": "Sebastian",
+            "email": "sebastian.pisula@flexibleshipping.com"
+        }
+    ],
+    "require": {
+        "php": ">=5.6",
+        "wpdesk\/wp-notice": "^3.1.3",
+        "psr\/log": "^1.1",
+        "wpdesk\/wp-builder": "^1.4|^2"
+    },
+    "require-dev": {
+        "phpunit\/phpunit": "<7",
+        "mockery\/mockery": "^1.2",
+        "10up\/wp_mock": "^0.3"
+    },
+    "autoload": {
+        "psr-4": {
+            "FSVendor\\WPDesk\\FS\\Compatibility\\": "src\/"
+        }
+    },
+    "autoload-dev": {},
+    "extra": {
+        "text-domain": "wp-wpdesk-fs-compatibility",
+        "translations-folder": "lang",
+        "po-files": {
+            "pl_PL": "pl_PL.po"
+        }
+    },
+    "scripts": {
+        "phpunit-unit": "phpunit --configuration phpunit-unit.xml --coverage-text --colors=never",
+        "phpunit-unit-fast": "phpunit --configuration phpunit-unit.xml --no-coverage",
+        "phpunit-integration": "phpunit --configuration phpunit-integration.xml --coverage-text --colors=never",
+        "phpunit-integration-fast": "phpunit --configuration phpunit-integration.xml --no-coverage"
+    }
+}

wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-wpdesk-fs-compatibility/src/BlockSettings.php

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+<?php
+
+/**
+ * Block Settings
+ *
+ * @package WPDesk\FS\Compatibility
+ */
+namespace FSVendor\WPDesk\FS\Compatibility;
+
+use WC_Shipping_Zones;
+use FSVendor\WPDesk_Flexible_Shipping;
+/**
+ * Can prevent Flexible Shipping settings saving.
+ */
+class BlockSettings
+{
+    /**
+     * @var PluginCompatibilityChecker .
+     */
+    private $plugin_compatibility_checker;
+    /**
+     * Notice constructor.
+     *
+     * @param PluginCompatibilityChecker $plugin_compatibility_checker .
+     */
+    public function __construct(\FSVendor\WPDesk\FS\Compatibility\PluginCompatibilityChecker $plugin_compatibility_checker)
+    {
+        $this->plugin_compatibility_checker = $plugin_compatibility_checker;
+    }
+    /**
+     * Add hooks.
+     */
+    public function hooks()
+    {
+        \add_action('admin_init', array($this, 'block_save_settings'));
+        \add_action('flexible-shipping/method-rules-settings/table/before', array($this, 'add_flexible_shipping_method_message'));
+        \add_action('flexible_shipping_method_script', array($this, 'add_flexible_shipping_method_message'));
+    }
+    /**
+     * Action when setting are saving.
+     */
+    public function block_save_settings()
+    {
+        if (!isset($_POST['save'], $_POST['settings_saving_block'])) {
+            return;
+        }
+        $tab = \filter_input(\INPUT_GET, 'tab');
+        $page = \filter_input(\INPUT_GET, 'page');
+        if ('wc-settings' !== $page || 'shipping' !== $tab) {
+            return;
+        }
+        $_wpnonce = \filter_input(\INPUT_POST, '_wpnonce');
+        if (!\wp_verify_nonce(\wp_unslash($_wpnonce), 'woocommerce-settings')) {
+            return;
+        }
+        $method_title = \filter_input(\INPUT_POST, 'woocommerce_flexible_shipping_method_title');
+        $instance_id = \absint(\wp_unslash(\filter_input(\INPUT_GET, 'instance_id')));
+        if (!$method_title || !$instance_id) {
+            return;
+        }
+        $shipping_method = \WC_Shipping_Zones::get_shipping_method($instance_id);
+        if (!$shipping_method) {
+            return;
+        }
+        \wp_die($this->get_general_message(), '', array('link_url' => $this->get_plugin_update_url(), 'link_text' => $this->get_plugin_update_label(), 'back_link' => \true));
+        // WPCS: XSS OK.
+    }
+    /**
+     * Add scripts for FS method.
+     */
+    public function add_flexible_shipping_method_message()
+    {
+        $status = (bool) \apply_filters('plugin_compatibility_checker/js_added', \false);
+        if ($status) {
+            return;
+        }
+        $action = \filter_input(\INPUT_GET, 'action');
+        if (!$action) {
+            return;
+        }
+        \add_filter('plugin_compatibility_checker/js_added', '__return_true');
+        $message = $this->get_message_for_settings();
+        include \wp_normalize_path(__DIR__ . '/views/html-update-settings-alert.php');
+    }
+    /**
+     * Message for incompatible plugins.
+     *
+     * @return string
+     */
+    private function get_message_for_settings()
+    {
+        return \sprintf('%s %s', $this->get_general_message(), \sprintf('%s%s%s', \sprintf('<a target="_blank" href="%s">', $this->get_plugin_update_url()), $this->get_plugin_update_label(), '</a>'));
+    }
+    /**
+     * @return string
+     */
+    private function get_general_message()
+    {
+        $plugins = \implode(', ', $this->plugin_compatibility_checker->get_list_of_incompatible_plugins());
+        return \sprintf(\__('In order to prevent any further issues with the plugin configuration or its proper functioning, before saving the changes please update the following: %s.', 'flexible-shipping'), \sprintf('<strong>%s</strong>', $plugins));
+    }
+    /**
+     * @return string
+     */
+    private function get_plugin_update_label()
+    {
+        return \__('Go to the plugins list &rarr;', 'flexible-shipping');
+    }
+    /**
+     * @return string
+     */
+    private function get_plugin_update_url()
+    {
+        return \add_query_arg('s', 'Flexible Shipping', \admin_url('plugins.php'));
+    }
+}

wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-wpdesk-fs-compatibility/src/Notice.php

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+<?php
+
+/**
+ * Notice
+ *
+ * @package WPDesk\FS\Compatibility
+ */
+namespace FSVendor\WPDesk\FS\Compatibility;
+
+/**
+ * Can display notice about incompatible plugins.
+ */
+class Notice
+{
+    /**
+     * @var PluginCompatibilityChecker .
+     */
+    private $plugin_compatibility_checker;
+    /**
+     * Notice constructor.
+     *
+     * @param PluginCompatibilityChecker $plugin_compatibility_checker .
+     */
+    public function __construct(\FSVendor\WPDesk\FS\Compatibility\PluginCompatibilityChecker $plugin_compatibility_checker)
+    {
+        $this->plugin_compatibility_checker = $plugin_compatibility_checker;
+    }
+    /**
+     * Add hooks.
+     */
+    public function hooks()
+    {
+        \add_action('admin_notices', array($this, 'admin_notices'));
+    }
+    /**
+     * Display notices in admin.
+     */
+    public function admin_notices()
+    {
+        $status = (bool) \apply_filters('plugin_compatibility_checker/notice_added', \false);
+        if ($status) {
+            return;
+        }
+        \add_filter('plugin_compatibility_checker/notice_added', '__return_true');
+        $checker = $this->plugin_compatibility_checker;
+        $additional_info = ' ' . \sprintf(\__('If the WordPress updater hasn\'t informed you about the newer versions available, please %sfollow these instructions &rarr;%s', 'flexible-shipping'), \sprintf('<a href="%s" target="_blank">', \__('https://octol.io/fs-2-docs', 'flexible-shipping')), '</a>');
+        if (!$checker->is_fs_compatible()) {
+            if ($checker->is_active_fs_pro() && $checker->is_fs_pro_compatible() && $checker->is_active_fs_loc() && $checker->is_fs_loc_compatible()) {
+                new \FSVendor\WPDesk\Notice\Notice(\sprintf(\__('%sFlexible Shipping%s plugin you are currently using is not compatible with the installed version of Flexible Shipping PRO and Flexible Shipping Locations. Please update the %sFlexible Shipping%s plugin to %s version or newer.', 'flexible-shipping'), '<strong>', '</strong>', '<strong>', '</strong>', $checker->fs->get_required_version()) . $additional_info, 'error');
+            } elseif ($checker->is_active_fs_pro() && $checker->is_fs_pro_compatible()) {
+                new \FSVendor\WPDesk\Notice\Notice(\sprintf(\__('%sFlexible Shipping%s plugin you are currently using is not compatible with the installed version of Flexible Shipping PRO. Please update the %sFlexible Shipping%s plugin to %s version or newer.', 'flexible-shipping'), '<strong>', '</strong>', '<strong>', '</strong>', $checker->fs->get_required_version()) . $additional_info, 'error');
+            } elseif ($checker->is_active_fs_loc() && $checker->is_fs_loc_compatible()) {
+                new \FSVendor\WPDesk\Notice\Notice(\sprintf(\__('%sFlexible Shipping%s plugin you are currently using is not compatible with the installed version of Flexible Shipping Locations. Please update the %sFlexible Shipping%s plugin to %s version or newer.', 'flexible-shipping'), '<strong>', '</strong>', '<strong>', '</strong>', $checker->fs->get_required_version()) . $additional_info, 'error');
+            }
+        } else {
+            if (!$checker->is_fs_pro_compatible()) {
+                new \FSVendor\WPDesk\Notice\Notice(\sprintf(\__('%sFlexible Shipping PRO%s plugin you are currently using is not compatible with the installed version of Flexible Shipping free. Please update the %sFlexible Shipping PRO%s plugin to %s version or newer.', 'flexible-shipping'), '<strong>', '</strong>', '<strong>', '</strong>', $checker->fs_pro->get_required_version()) . $additional_info, 'error');
+            }
+            if (!$checker->is_fs_loc_compatible()) {
+                new \FSVendor\WPDesk\Notice\Notice(\sprintf(\__('%sFlexible Shipping Locations%s plugin you are currently using is not compatible with the installed version of Flexible Shipping free. Please update the %sFlexible Shipping Locations%s plugin to %s version or newer.', 'flexible-shipping'), '<strong>', '</strong>', '<strong>', '</strong>', $checker->fs_loc->get_required_version()) . $additional_info, 'error');
+            }
+        }
+    }
+}

wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-wpdesk-fs-compatibility/src/PluginCompatibility.php

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+<?php
+
+/**
+ * Class Plugin Compatibility
+ *
+ * @package WPDesk\FS\Compatibility
+ */
+namespace FSVendor\WPDesk\FS\Compatibility;
+
+use FSVendor\WPDesk\PluginBuilder\Plugin\Hookable;
+/**
+ * Class Plugin Compatibility
+ */
+class PluginCompatibility implements \FSVendor\WPDesk\PluginBuilder\Plugin\Hookable
+{
+    /**
+     * PluginCompatibility constructor.
+     */
+    public function hooks()
+    {
+        \add_action('plugins_loaded', array($this, 'init_plugin_checker'));
+    }
+    /**
+     * Init plugin checker.
+     */
+    public function init_plugin_checker()
+    {
+        if (!\is_admin()) {
+            return;
+        }
+        $plugin_compatibility_checker = new \FSVendor\WPDesk\FS\Compatibility\PluginCompatibilityChecker();
+        if (!$plugin_compatibility_checker->are_plugins_compatible()) {
+            $notice = new \FSVendor\WPDesk\FS\Compatibility\Notice($plugin_compatibility_checker);
+            $notice->hooks();
+            $block_settings = new \FSVendor\WPDesk\FS\Compatibility\BlockSettings($plugin_compatibility_checker);
+            $block_settings->hooks();
+        }
+    }
+}

wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-wpdesk-fs-compatibility/src/PluginCompatibilityChecker.php

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+<?php
+
+/**
+ * Plugin Compatibility Checker
+ *
+ * @package WPDesk\FS\TableRate
+ */
+namespace FSVendor\WPDesk\FS\Compatibility;
+
+/**
+ * Class PluginCompatibilityChecker
+ *
+ * @package WPDesk\FS\TableRate
+ */
+class PluginCompatibilityChecker
+{
+    /**
+     * @var PluginDetails .
+     */
+    public $fs;
+    /**
+     * @var PluginDetails .
+     */
+    public $fs_pro;
+    /**
+     * @var PluginDetails .
+     */
+    public $fs_loc;
+    /**
+     * PluginCompatibilityChecker constructor.
+     */
+    public function __construct()
+    {
+        $this->fs = new \FSVendor\WPDesk\FS\Compatibility\PluginDetails('flexible-shipping/flexible-shipping.php', 'FLEXIBLE_SHIPPING_VERSION', '4.0.0');
+        $this->fs_pro = new \FSVendor\WPDesk\FS\Compatibility\PluginDetails('flexible-shipping-pro/flexible-shipping-pro.php', 'FLEXIBLE_SHIPPING_PRO_VERSION', '2.0.0');
+        $this->fs_loc = new \FSVendor\WPDesk\FS\Compatibility\PluginDetails('flexible-shipping-locations/flexible-shipping-locations.php', 'FLEXIBLE_SHIPPING_LOCATIONS_VERSION', '2.0.0');
+    }
+    /**
+     * @return bool
+     */
+    public function is_active_fs()
+    {
+        return $this->fs->is_active();
+    }
+    /**
+     * @return bool
+     */
+    public function is_active_fs_pro()
+    {
+        return $this->fs_pro->is_active();
+    }
+    /**
+     * @return bool
+     */
+    public function is_active_fs_loc()
+    {
+        return $this->fs_loc->is_active();
+    }
+    /**
+     * @return bool
+     */
+    public function are_plugins_compatible()
+    {
+        return $this->is_fs_compatible() && $this->is_fs_pro_compatible() && $this->is_fs_loc_compatible();
+    }
+    /**
+     * @return bool
+     */
+    public function is_fs_compatible()
+    {
+        return $this->check_plugin($this->fs);
+    }
+    /**
+     * @return bool
+     */
+    public function is_fs_pro_compatible()
+    {
+        return $this->check_plugin($this->fs_pro);
+    }
+    /**
+     * @return bool
+     */
+    public function is_fs_loc_compatible()
+    {
+        return $this->check_plugin($this->fs_loc);
+    }
+    /**
+     * @return array
+     */
+    public function get_list_of_incompatible_plugins()
+    {
+        $plugins_list = [];
+        if (!$this->is_fs_compatible()) {
+            $plugins_list[] = \__('Flexible Shipping', 'flexible-shipping');
+        }
+        if (!$this->is_fs_pro_compatible()) {
+            $plugins_list[] = \__('Flexible Shipping PRO', 'flexible-shipping');
+        }
+        if (!$this->is_fs_loc_compatible()) {
+            $plugins_list[] = \__('Flexible Shipping Locations', 'flexible-shipping');
+        }
+        return $plugins_list;
+    }
+    /**
+     * @param PluginDetails $plugin .
+     *
+     * @return bool
+     */
+    private function check_plugin($plugin)
+    {
+        if (!$plugin->is_active()) {
+            return \true;
+        }
+        return $plugin->is_compatible();
+    }
+}

wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-wpdesk-fs-compatibility/src/PluginDetails.php

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+<?php
+
+/**
+ * Class Plugin Details
+ *
+ * @package WPDesk\FS\Compatibility
+ */
+namespace FSVendor\WPDesk\FS\Compatibility;
+
+/**
+ * Class PluginDetails
+ *
+ * @package WPDesk\FS\Compatibility
+ */
+class PluginDetails
+{
+    /**
+     * @var string .
+     */
+    private $plugin_file;
+    /**
+     * @var string|null .
+     */
+    private $version_constant_name;
+    /**
+     * @var string .
+     */
+    private $required_version;
+    /**
+     * PluginChecker constructor.
+     *
+     * @param string $plugin_file           .
+     * @param string $version_constant_name .
+     * @param string $required_version      .
+     */
+    public function __construct($plugin_file, $version_constant_name, $required_version)
+    {
+        $this->plugin_file = $plugin_file;
+        $this->version_constant_name = $version_constant_name;
+        $this->required_version = $required_version;
+    }
+    /**
+     * @return bool
+     */
+    public function is_active()
+    {
+        return $this->is_plugin_activate($this->plugin_file);
+    }
+    /**
+     * @return string
+     */
+    public function get_version()
+    {
+        return \defined($this->version_constant_name) ? \constant($this->version_constant_name) : '0.0.0';
+    }
+    /**
+     * @return string
+     */
+    public function get_required_version()
+    {
+        return $this->required_version;
+    }
+    /**
+     * @return bool
+     */
+    public function is_compatible()
+    {
+        return $this->compare_version($this->required_version, '>=');
+    }
+    /**
+     * @param string $version  .
+     * @param string $operator .
+     *
+     * @return bool
+     */
+    private function compare_version($version, $operator = null)
+    {
+        return \version_compare($this->get_version(), $version, $operator);
+    }
+    /**
+     * @param string $plugin_file .
+     *
+     * @return bool
+     */
+    private function is_plugin_activate($plugin_file)
+    {
+        $active_plugins = (array) \get_option('active_plugins', []);
+        if (\is_multisite()) {
+            $active_plugins = \array_merge($active_plugins, \get_site_option('active_sitewide_plugins', []));
+        }
+        return \in_array($plugin_file, $active_plugins) || \array_key_exists($plugin_file, $active_plugins);
+    }
+}

wp-content/plugins/flexible-shipping/vendor_prefixed/wpdesk/wp-wpdesk-fs-compatibility/src/views/html-update-settings-alert.php

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+<?php
+
+namespace FSVendor;
+
+/** @var string $message */
+?>
+
+<p id="woocommerce_flexible_shipping_compatibility_message"
+   style="color: red;margin-bottom: 20px;"><?php 
+echo \wp_kses_post($message);
+?></p>
+
+<input type="hidden" name="settings_saving_block" value="1"/>
+
+<script type="text/javascript">
+	document.addEventListener( "DOMContentLoaded", function ( event ) {
+		document.querySelector( '#mainform .woocommerce-save-button' ).disabled = true;
+
+		var table_container = jQuery( '#woocommerce_flexible_shipping_method_rules' );
+		var message_container = jQuery( '#woocommerce_flexible_shipping_compatibility_message' );
+
+		if ( table_container.length ) {
+			message_container.insertBefore( table_container );
+		}
+	} );
+</script><?php