cryptx / cryptx.php

cryptx.php in CryptX 4.0.10, at cryptx.php

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1	<?php
2	/**
3	* Plugin Name: CryptX
4	* Plugin URI: https://wordpress.org/plugins/cryptx/
5	* Description: CryptX encrypts email addresses in your posts, pages, comments, and text widgets to protect them from spam bots while keeping them readable for your visitors.
6	* Version: 4.0.10
7	* Requires at least: 6.7
8	* Tested up to: 6.9
9	* Requires PHP: 8.3
10	* Author: Ralf Weber
11	* Author URI: https://weber-nrw.de/
12	* License: GPL v2 or later
13	* License URI: https://www.gnu.org/licenses/gpl-2.0.html
14	* Text Domain: cryptx
15	*
16	* CryptX is free software: you can redistribute it and/or modify
17	* it under the terms of the GNU General Public License as published by
18	* the Free Software Foundation, either version 2 of the License, or
19	* any later version.
20	*
21	* CryptX is distributed in the hope that it will be useful,
22	* but WITHOUT ANY WARRANTY; without even the implied warranty of
23	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24	* GNU General Public License for more details.
25	*
26	* You should have received a copy of the GNU General Public License
27	* along with CryptX. If not, see https://www.gnu.org/licenses/gpl-2.0.html.
28	*
29	* @package CryptX
30	* @since 1.0.0
31	*/
32
33	// Prevent direct access
34	if (!defined('ABSPATH')) {
35	exit;
36	}
37
38	// Plugin constants
39	define('CRYPTX_VERSION', '4.0.10');
40	define('CRYPTX_PLUGIN_FILE', __FILE__);
41	define('CRYPTX_PLUGIN_BASENAME', plugin_basename(__FILE__));
42	define('CRYPTX_BASENAME', plugin_basename(__FILE__)); // Add this missing constant
43	define('CRYPTX_DIR_PATH', plugin_dir_path(__FILE__));
44	define('CRYPTX_DIR_URL', plugin_dir_url(__FILE__));
45	define('CRYPTX_BASEFOLDER', dirname(CRYPTX_PLUGIN_BASENAME));
46
47	// Minimum requirements check
48	if (version_compare(PHP_VERSION, '8.1', '<')) {
49	add_action('admin_notices', function() {
50	echo '<div class="notice notice-error"><p>';
51	printf(
52	/* translators: %1$s: Required PHP version, %2$s: Current PHP version */
53	esc_html__('CryptX requires PHP version %1$s or higher. You are running version %2$s. Please update PHP.', 'cryptx'),
54	'8.1.0',
55	PHP_VERSION
56	);
57	echo '</p></div>';
58	});
59	return;
60	}
61
62	// WordPress version check
63	global $wp_version;
64	if (version_compare($wp_version, '6.7', '<')) {
65	add_action('admin_notices', function() {
66	echo '<div class="notice notice-error"><p>';
67	printf(
68	/* translators: %1$s: Required WordPress version, %2$s: Current WordPress version */
69	esc_html__('CryptX requires WordPress version %1$s or higher. You are running version %2$s. Please update WordPress.', 'cryptx'),
70	'5.0',
71	esc_html($GLOBALS['wp_version'])
72	);
73	echo '</p></div>';
74	});
75	return;
76	}
77
78	// Autoloader for plugin classes
79	spl_autoload_register(function ($class) {
80	// Check if the class belongs to our namespace
81	if (strpos($class, 'CryptX\\') !== 0) {
82	return;
83	}
84
85	// Remove namespace prefix
86	$class = substr($class, 7);
87
88	// Convert namespace separators to directory separators
89	$class = str_replace('\\', DIRECTORY_SEPARATOR, $class);
90
91	// Build the full path
92	$file = CRYPTX_DIR_PATH . 'classes' . DIRECTORY_SEPARATOR . $class . '.php';
93
94	// Include the file if it exists
95	if (file_exists($file)) {
96	require_once $file;
97	}
98	});
99
100	function cryptx_nonce_check() {
101	if ( isset($_POST['cryptX_var']) && isset( $_REQUEST['_wpnonce'] ) && ! wp_verify_nonce( sanitize_text_field(wp_unslash($_REQUEST['_wpnonce'])), 'cryptX' ) ) {
102	wp_die( esc_html__( 'Security check failed. Please try again.', 'cryptx' ), esc_html__( 'Error', 'cryptx' ) );
103	}
104	}
105	add_action( 'admin_init', 'cryptx_nonce_check' );
106
107	// Initialize the plugin
108	add_action('plugins_loaded', function() {
109	// Check if all required classes can be loaded
110	$requiredClasses = [
111	'CryptX\\CryptX',
112	'CryptX\\Config',
113	'CryptX\\CryptXSettingsTabs',
114	'CryptX\\SecureEncryption',
115	'CryptX\\Admin\\ChangelogSettingsTab',
116	'CryptX\\Admin\\GeneralSettingsTab',
117	'CryptX\\Admin\\PresentationSettingsTab',
118	'CryptX\\Util\\DataSanitizer',
119	];
120
121	$missingClasses = [];
122	foreach ($requiredClasses as $class) {
123	if (!class_exists($class)) {
124	$missingClasses[] = $class;
125	}
126	}
127
128	if (!empty($missingClasses)) {
129	add_action('admin_notices', function() use ($missingClasses) {
130	echo '<div class="notice notice-error"><p>';
131	echo esc_html__('CryptX: Missing required classes: ', 'cryptx') . esc_html( implode(', ', $missingClasses), 'cryptx');
132	echo '</p></div>';
133	});
134	return;
135	}
136
137	// Initialize the main plugin class
138	try {
139	$cryptx_instance = CryptX\CryptX::get_instance();
140	$cryptx_instance->startCryptX();
141	} catch (Exception $e) {
142	add_action('admin_notices', function() use ($e) {
143	echo '<div class="notice notice-error"><p>';
144	echo esc_html__('CryptX initialization failed: ', 'cryptx') . esc_html($e->getMessage());
145	echo '</p></div>';
146	});
147	}
148	});
149
150	// Remove the strict activation requirements - let the plugin handle fallbacks
151	register_activation_hook(__FILE__, function() {
152	// Just flush rewrite rules
153	flush_rewrite_rules();
154	});
155
156	// Plugin deactivation hook
157	register_deactivation_hook(__FILE__, function() {
158	// Clean up any transients or cached data
159	global $wpdb;
160	$wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_cryptx_%'");
161	$wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_timeout_cryptx_%'");
162	});
163
164	// Add plugin action links - updated to match the settings page slug
165	add_filter('plugin_action_links_' . plugin_basename(__FILE__), function($links) {
166	$settings_link = '<a href="' . admin_url('options-general.php?page=cryptx') . '">' .
167	esc_html__('Settings', 'cryptx') . '</a>';
168	array_unshift($links, $settings_link);
169	return $links;
170	});
171
172	/**
173	* Encrypts the given content using the CryptX library and wraps it with a shortcode.
174	*
175	* @param string $content The content to be encrypted.
176	* @param array\|null $args Optional arguments to customize the encryption process.
177	*
178	* @return string The encrypted content wrapped in the appropriate shortcode.
179	*/
180	if (!function_exists('cryptx_encrypt')) {
181	function cryptx_encrypt(string $content, ?array $args = []): string
182	{
183	$cryptXInstance = Cryptx\CryptX::get_instance();
184	// $attributesString contains the escaped (esc_attr()) shortcode attributes from $args
185	$attributesString = $cryptXInstance->convertArrayToArgumentString($args);
186	$shortcode = '[cryptx' . $attributesString . ']' . esc_html($content) . '[/cryptx]';
187
188	return do_shortcode($shortcode);
189	}
190	}
191
192	/**
193	* Encrypts the given content using the CryptX library and wraps it with a shortcode.
194	*
195	* @deprecated 4.0.5 Use cryptx_encrypt() instead.
196	* @see cryptx_encrypt()
197	*/
198	if (!function_exists('encryptx')) {
199	function encryptx(string $content, ?array $args = []): string
200	{
201	__doing_it_wrong( 'badly_named', 'This method has been deprecated in favor of better_named_function "cryptx_encrypt"', '6.9' );
202
203	return cryptx_encrypt($content, $args);
204	}
205	}