email-validator-for-contact-form-7.php — Email Validator for Contact Form 7 1.2.1

email-validator-for-contact-form-7 / email-validator-for-contact-form-7.php

email-validator-for-contact-form-7 Last commit date

assets 5 years ago email-validator-for-contact-form-7.php 5 years ago license.txt 5 years ago readme.txt 5 years ago uninstall.php 5 years ago

email-validator-for-contact-form-7.php

599 lines

1	<?php
2
3	/*
4
5	Plugin Name: Email Validator for Contact Form 7
6
7	Plugin URI: https://developer.wordpress.org/plugins/email-validator-for-contact-form-7
8
9	Description: Enables Contact Form 7 users to validate their client’s email address before accepting their messages for sending using MailboxValidator. <strong>Before get started, install and activate the Contact Form 7 plugin first.</strong>
10
11	Version: 1.2.1
12
13	Author: MailboxValidator
14
15	Author URI: https://mailboxvalidator.com
16
17	License: GNU General Public License (GPL) version 3
18
19	License URI: https://www.gnu.org/licenses/gpl-2.0.html
20
21	*/
22
23
24
25	// Check if Contact Form 7 is been installed or not
26
27	add_action('admin_init', 'mbv_wpcf7_check_wpcf7_installed');
28
29	function mbv_wpcf7_check_wpcf7_installed () {
30
31	if ( is_admin() && current_user_can( "activate_plugins" ) && ! is_plugin_active( "contact-form-7/wp-contact-form-7.php" ) ) {
32
33	add_action( 'admin_notices', 'mbv_wpcf7_nocf7_notice' );
34
35	deactivate_plugins( plugin_basename( __FILE__ ) );
36
37	remove_submenu_page( 'options-general.php', 'email-validator-for-contact-form-7' );
38
39	$flag = (int) $_GET['activate'];
40
41	if ( isset( $flag ) ) {
42
43	unset( $_GET['activate'] );
44
45	}
46
47	}
48
49	}
50
51	function mbv_wpcf7_nocf7_notice () {
52
53	$plugin_url = esc_url( admin_url( 'plugin-install.php?tab=search&s=contact+form+7' ) );
54
55	echo '<div class="notice notice-warning is-dismissible">
56
57	<p>Contact Form 7 must be installed and activated before using the MailboxValidator plugin. You can click <a href="' . $plugin_url . '">here</a> to install the Contact Form 7 plugin.</p>
58
59	</div>';
60
61	}
62
63	// Show notice if the MBV API key not been saved yet
64
65	function mbv_wpcf7_general_admin_notice(){
66
67	global $pagenow;
68
69	$options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
70
71	if ( $options['api_key'] == '' \|\| $options['api_key'] == ' ' ) {
72
73	echo '<div class="notice notice-warning is-dismissible">
74
75	<p>Please get your MailboxValidator API key from <a href="https://www.mailboxvalidator.com/plans#api">here</a> and save in <a href="options-general.php?page=email-validator-for-contact-form-7">setting page</a>.</p>
76
77	</div>';
78
79	}
80
81	// else if ( $pagenow == 'plugins.php' && ( $options['api_key'] == '' \|\| $options['api_key'] == ' ' ) ) {
82
83	// echo '<div class="notice notice-warning is-dismissible">
84
85	// <p>Please get your MailboxValidator API key from <a href="https://www.mailboxvalidator.com/plans#api">here</a> and save in <a href="options-general.php?page=email-validator-for-contact-form-7">setting page</a>.</p>
86
87	// </div>';
88
89	// }
90
91	}
92
93	add_action( 'admin_notices', 'mbv_wpcf7_general_admin_notice' );
94
95	// add the admin options page
96
97	add_action( 'admin_menu', 'mbv_wpcf7_plugin_admin_add_page' );
98
99	function mbv_wpcf7_plugin_admin_add_page() {
100
101	add_options_page( 'Email Validator for Contact Form 7', 'Email Validator for Contact Form 7', 'manage_options', 'email-validator-for-contact-form-7', 'mbv_wpcf7_plugin_options_page' );
102
103	wp_register_script( 'mailboxvalidator_email_validator_script', plugins_url( '/assets/js/mbv.js', __FILE__ ), array( 'jquery' ) );
104	wp_enqueue_script( 'mailboxvalidator_email_validator_script' );
105
106	}
107
108	// display the admin options page
109
110	function mbv_wpcf7_plugin_options_page() {
111
112	?>
113
114	<div>
115
116	<h2>Email Validator for Contact Form 7 by MailboxValidator</h2>
117
118	<p>This plugin enables Contact Form 7 users to validate their client’s email address before accepting their messages for sending. It uses MailboxValidator service for email validation. Please get your free MailboxValidator API key from <a href="https://www.mailboxvalidator.com/plans#api">here</a>. Once you save the settings by clicking "Save Changes", your settings will be saved and Contact Form 7 will automatically detect the changes.</p>
119
120	<!--<p>At here you can edit your MailboxValidator API key and switch on or off disposable or free email validator.</p>-->
121	<?php
122	$mbv_options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
123	$api_key = isset( $mbv_options['api_key'] ) ? $mbv_options['api_key'] : '';
124	if ( $api_key != '' ) {
125	$url = 'https://api.mailboxvalidator.com/plan?key=' . $api_key;
126	$results = wp_remote_get( $url );
127	if ( !is_wp_error( $results ) ) {
128	$body = wp_remote_retrieve_body( $results );
129
130	// Decode the return json results and return the data.
131	$data = json_decode( $body, true );
132
133	if ( $data['plan_name'] != '' ) {
134	if ( $data['plan_name'] == 'API-FREE' ) {
135	$is_low_credit = ( $data['credits_available'] < 100 ) ? true : false ;
136	} else {
137	$is_low_credit = ( $data['credits_available'] < ( $data['credits_limit'] * 0.1 ) ) ? true : false ;
138	}
139	// Now print the plan info
140	echo '<h2>Plan Information</h2><table class="form-table">';
141	echo '<tr><th scope="row"><label>Plan Name</label></th><td><p>' . $data['plan_name'] . '</p></td></tr>';
142	// echo '<tr><th scope="row"><label>Credits Available</label></th><td><p>' . $data['credits_available'] . ' ' . ( $is_low_credit ? '<button class="button"><a href="https://www.mailboxvalidator.com/plans#api" target="_blank">Get More Credits</a></button>' : '' ) . '</p></td></tr>';
143	echo '<tr><th scope="row"><label>Credits Available</label></th><td><p>' . $data['credits_available'] . '<span style="margin-left: 20px"></span>' . ( $is_low_credit ? '<a href="https://www.mailboxvalidator.com/plans#api" target="_blank" class="button">Get More Credits</a>' : '' ) . '</p></td></tr>';
144	echo '<tr><th scope="row"><label>Next Renewal Date</label></th><td><p>' . $data['next_renewal_date'] . '</p></td></tr>';
145	echo '</table>';
146	}
147	}
148	}
149	?>
150
151	<form action="options.php" method="post">
152
153	<?php settings_fields( 'mbv_wpcf7_email_validator_for_contact_form_7' ); ?>
154
155	<?php do_settings_sections( 'mbv_wpcf7_plugin' ); ?>
156
157	<input name="Submit" type="submit" value="<?php esc_attr_e( 'Save Changes' ); ?>" />
158
159	</form>
160
161	</div>
162
163
164
165	<?php
166
167	}
168
169	// add the admin settings and such
170
171	add_action( 'admin_init', 'mbv_wpcf7_plugin_admin_init' );
172
173	function mbv_wpcf7_plugin_admin_init(){
174
175	register_setting( 'mbv_wpcf7_email_validator_for_contact_form_7', 'mbv_wpcf7_email_validator_for_contact_form_7' );
176
177	add_settings_section( 'mbv_wpcf7_plugin_main', 'Main Settings', 'mbv_wpcf7_plugin_section_text', 'mbv_wpcf7_plugin' );
178
179	add_settings_field( 'mbv_wpcf7_api_key', 'MailboxValidator API Key', 'mbv_wpcf7_api_key_setting', 'mbv_wpcf7_plugin', 'mbv_wpcf7_plugin_main' );
180
181	add_settings_field( 'mbv_wpcf7_invalid_option', 'Invalid Email Validation', 'mbv_wpcf7_invalid_setting_option', 'mbv_wpcf7_plugin', 'mbv_wpcf7_plugin_main' );
182
183	add_settings_field( 'mbv_wpcf7_invalid_error_message', 'Error Message for Invalid Email', 'mbv_wpcf7_invalid_error_message_setting', 'mbv_wpcf7_plugin', 'mbv_wpcf7_plugin_main' );
184
185	add_settings_field( 'mbv_wpcf7_disposable_option', 'Disposable Email Validation', 'mbv_wpcf7_disposable_setting_option', 'mbv_wpcf7_plugin', 'mbv_wpcf7_plugin_main' );
186
187	add_settings_field( 'mbv_wpcf7_disposable_error_message', 'Error Message for Disposable Email', 'mbv_wpcf7_disposable_error_message_setting', 'mbv_wpcf7_plugin', 'mbv_wpcf7_plugin_main' );
188
189	add_settings_field( 'mbv_wpcf7_free_option', 'Free Email Validation', 'mbv_wpcf7_free_setting_option', 'mbv_wpcf7_plugin', 'mbv_wpcf7_plugin_main' );
190
191	add_settings_field( 'mbv_wpcf7_free_error_message', 'Error Message for Free Email', 'mbv_wpcf7_free_error_message_setting', 'mbv_wpcf7_plugin', 'mbv_wpcf7_plugin_main' );
192
193	}
194
195	function mbv_wpcf7_plugin_section_text() {
196
197	echo '<p>At here you can edit your MailboxValidator API key, switch on or off disposable or free email validator and design custom error message for disposable and free email.</p>';
198
199	}
200
201	function mbv_wpcf7_api_key_setting() {
202
203	$options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
204
205	$api_key = $options['api_key'] ?? ' ';
206
207	echo '<input id="api_key" name="mbv_wpcf7_email_validator_for_contact_form_7[api_key]" size="40" type="text" value="' . esc_attr( $api_key ). '" />';
208
209	}
210
211	function mbv_wpcf7_invalid_setting_option() {
212
213	$options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
214
215	$invalid_on_off = $options['invalid_on_off'] ?? 'on';
216
217	echo '<div id="radio1"><label><input type="radio" name="mbv_wpcf7_email_validator_for_contact_form_7[invalid_on_off]" id="invalid_option" value="on"' . ( ( $invalid_on_off == 'on' ) ? ' checked' : '' ) . ' /> On</label>
218	<label><input type="radio" name="mbv_wpcf7_email_validator_for_contact_form_7[invalid_on_off]" id="invalid_option" value="off"' . ( ( $invalid_on_off == 'off' ) ? ' checked' : '' ) . ' /> Off</label></div><br />';
219
220	}
221
222	function mbv_wpcf7_disposable_setting_option() {
223
224	$options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
225
226	$disposable_on_off = $options['disposable_on_off'] ?? 'on';
227
228	echo '<div id="radio2"><label><input type="radio" name="mbv_wpcf7_email_validator_for_contact_form_7[disposable_on_off]" id="disposable_option" value="on"' . ( ( $disposable_on_off == 'on' ) ? ' checked' : '' ) . ' /> On</label>
229	<label><input type="radio" name="mbv_wpcf7_email_validator_for_contact_form_7[disposable_on_off]" id="disposable_option" value="off"' . ( ( $disposable_on_off == 'off' ) ? ' checked' : '' ) . ' /> Off</label></div><br />';
230
231	}
232
233	function mbv_wpcf7_free_setting_option() {
234
235	$options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
236
237	$free_on_off = $options['free_on_off'] ?? 'on';
238
239	echo '<div id="radio3"><label><input type="radio" name="mbv_wpcf7_email_validator_for_contact_form_7[free_on_off]" id="free_option" value="on"' . ( ( $free_on_off == 'on' ) ? ' checked' : '' ) . ' /> On</label>
240	<label><input type="radio" name="mbv_wpcf7_email_validator_for_contact_form_7[free_on_off]" id="free_option" value="off"' . ( ( $free_on_off == 'off' ) ? ' checked' : '' ) . ' /> Off</label></div><br />';
241
242	}
243
244	function mbv_wpcf7_invalid_error_message_setting() {
245
246	$options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
247
248	$invalid_error_message = $options['invalid_error_message'] ?? 'Invalid email address. Please enter a valid email address.';
249
250	$invalid_on_off = $options['invalid_on_off'] ?? 'on';
251
252	echo '<input id="invalid_error_message" name="mbv_wpcf7_email_validator_for_contact_form_7[invalid_error_message]" style="width:100%" type="text" value="' . $invalid_error_message . '" ' . ( $invalid_on_off == 'off' ? 'disabled="disabled" ' : '' ) . '/>';
253
254	}
255
256	function mbv_wpcf7_disposable_error_message_setting() {
257
258	$options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
259
260	$disposable_error_message = $options['disposable_error_message'] ?? 'Invalid email address. Please enter a non-disposable email address.';
261
262	$disposable_on_off = $options['disposable_on_off'] ?? 'on';
263
264	echo '<input id="disposable_error_message" name="mbv_wpcf7_email_validator_for_contact_form_7[disposable_error_message]" style="width:100%" type="text" value="' . $disposable_error_message . '" ' . ( $disposable_on_off == 'off' ? 'disabled="disabled" ' : '' ) . '/>';
265
266	}
267
268	function mbv_wpcf7_free_error_message_setting() {
269
270	$options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
271
272	$free_error_message = $options['free_error_message'] ?? 'Invalid email address. Please enter a non-free email address.';
273
274	$free_on_off = $options['free_on_off'] ?? 'on';
275
276	echo '<input id="free_error_message" name="mbv_wpcf7_email_validator_for_contact_form_7[free_error_message]" style="width:100%" type="text" value="' . $free_error_message . '" ' . ( $free_on_off == 'off' ? 'disabled="disabled" ' : '' ) . '/>';
277
278	}
279
280	// function mbv_wpcf7_string_length( $string ){
281
282	// return mb_strlen( $string );
283
284	// }
285
286	add_action( 'admin_enqueue_scripts', 'plugin_enqueues' );
287
288	add_action( 'wp_ajax_email_validator_for_contact_form_7_submit_feedback', 'submit_feedback' );
289	add_action( 'admin_footer_text', 'admin_footer_text' );
290
291	// Enqueue the script.
292	function plugin_enqueues( $hook ) {
293
294	// if ( $hook == 'options-general.php' ) {
295	// wp_enqueue_script( 'email_validator_for_contact_form_7_admin_setting_script', plugins_url( '/assets/js/feedback.js', __FILE__ ), ['jquery'], null, true );
296	// }
297
298	if ( $hook == 'plugins.php' ) {
299	// Add in required libraries for feedback modal
300	wp_enqueue_script( 'jquery-ui-dialog' );
301	wp_enqueue_style( 'wp-jquery-ui-dialog' );
302
303	wp_enqueue_script( 'email_validator_for_contact_form_7_admin_script', plugins_url( '/assets/js/feedback.js', __FILE__ ), ['jquery'], null, true );
304	}
305	}
306
307	function admin_footer_text( $footer_text ) {
308	// $plugin_name = substr( basename( __FILE__ ), 0, strpos( basename( __FILE__ ), '.' ) );
309	$plugin_name = 'email-validator-for-contact-form-7';
310	$current_screen = get_current_screen();
311
312	if ( ( $current_screen && strpos( $current_screen->id, $plugin_name ) !== false ) ) {
313	$footer_text .= sprintf(
314	__( 'Enjoyed %1$s? Please leave us a %2$s rating. A huge thanks in advance!', $plugin_name ),
315	'<strong>' . __( 'MailboxValidator Email Validator', $plugin_name ) . '</strong>',
316	'<a href="https://wordpress.org/support/plugin/' . $plugin_name . '/reviews/?filter=5/#new-post" target="_blank">★★★★★</a>'
317	);
318	}
319
320	if ( $current_screen->id == 'plugins' ) {
321	return $footer_text . '
322	<div id="email-validator-for-contact-form-7-feedback-modal" class="hidden" style="max-width:800px">
323	<span id="email-validator-for-contact-form-7-feedback-response"></span>
324	<p>
325	<strong>Would you mind sharing with us the reason to deactivate the plugin?</strong>
326	</p>
327	<p>
328	<label>
329	<input type="radio" name="email-validator-for-contact-form-7-feedback" value="1"> I no longer need the plugin
330	</label>
331	</p>
332	<p>
333	<label>
334	<input type="radio" name="email-validator-for-contact-form-7-feedback" value="2"> I couldn\'t get the plugin to work
335	</label>
336	</p>
337	<p>
338	<label>
339	<input type="radio" name="email-validator-for-contact-form-7-feedback" value="3"> The plugin doesn\'t meet my requirements
340	</label>
341	</p>
342	<p>
343	<label>
344	<input type="radio" name="email-validator-for-contact-form-7-feedback" value="4"> Other concerns
345	<br><br>
346	<textarea id="email-validator-for-contact-form-7-feedback-other" style="display:none;width:100%"></textarea>
347	</label>
348	</p>
349	<p>
350	<div style="float:left">
351	<input type="button" id="email-validator-for-contact-form-7-submit-feedback-button" class="button button-danger" value="Submit & Deactivate" />
352	</div>
353	<div style="float:right">
354	<a href="#">Skip & Deactivate</a>
355	</div>
356	</p>
357	</div>';
358	}
359
360	return $footer_text;
361	}
362
363	function submit_feedback() {
364	$feedback = ( isset( $_POST['feedback'] ) ) ? $_POST['feedback'] : '';
365	$others = sanitize_text_field (( isset( $_POST['others'] ) ) ? $_POST['others'] : '' );
366
367	$options = [
368	1 => 'I no longer need the plugin',
369	2 => 'I couldn\'t get the plugin to work',
370	3 => 'The plugin doesn\'t meet my requirements',
371	4 => 'Other concerns' . ( ( $others ) ? ( ' - ' . $others ) : '' ),
372	];
373
374	$url = 'https://www.mailboxvalidator.com/wp-plugin-feedback?' . http_build_query( ['name' => 'email-validator-for-contact-form-7', 'message' => $options[$feedback],] );
375	// file_put_contents ( __DIR__ . '/mbv_plugin_logs.log' , $url . PHP_EOL, FILE_APPEND );
376
377	if ( isset( $options[$feedback] ) ) {
378	if ( !class_exists( 'WP_Http' ) ) {
379	include_once ABSPATH . WPINC . '/class-http.php';
380	}
381
382	$request = new WP_Http();
383	$response = $request->request( 'https://www.mailboxvalidator.com/wp-plugin-feedback?' . http_build_query( [
384	'name' => 'email-validator-for-contact-form-7',
385	'message' => $options[$feedback],
386	] ), ['timeout' => 5] );
387	}
388	}
389
390	function mbv_wpcf7_single( $emailAddress, $api_key ) {
391
392	try{
393	// Now we need to send the data to MBV API Key and return back the result.
394	$url = 'https://api.mailboxvalidator.com/v1/validation/single?key=' . str_replace( ' ', '', $api_key ) . '&email=' . str_replace( ' ', '', $emailAddress ) . '&source=wordpress';
395
396	// Now we used WordPress custom HTTP API method to get the result from MBV API.
397	$results = wp_remote_get( $url );
398
399	if ( !is_wp_error( $results ) ) {
400	$body = wp_remote_retrieve_body( $results );
401
402	// Decode the return json results and return the data.
403	$data = json_decode( $body, true );
404
405	// update remaining_credits
406	// $mbv_options = get_option( 'mbv_email_validator' );
407	// $mbv_options['remaining_credits'] = $data['credits_available'];
408	// update_option('mbv_email_validator', $mbv_options );
409
410	return $data;
411	} else {
412	// if connection error, let it pass
413	return true;
414	}
415	}
416	catch( Exception $e ) {
417	return true;
418	}
419	}
420
421	function mbv_wpcf7_is_valid_email( $api_result ) {
422	if ( $api_result != '' ) {
423	// mbv_wpcf7_mailboxvalidator_api_log( 'is_valid', $api_result['email_address'], $api_result['status'], $api_result['credits_available'], $api_result['error_code'], $api_result['error_message'] );
424	if ( $api_result['error_message'] == '' ) {
425	if ( $api_result['status'] == 'False' ) {
426	return false;
427	} else {
428	return true;
429	}
430	} else {
431	// If error message occured, let it pass first.
432	return true;
433	}
434	} else {
435	// If error message occured, let it pass first.
436	return true;
437	}
438	}
439
440	function mbv_wpcf7_validate_email_check_free( $emailAddress, $api_key ) {
441
442	// Now we need to send the data to MBV API Key and return back the result.
443
444	$url = 'https://api.mailboxvalidator.com/v1/email/free?key=' . str_replace( ' ', '', $api_key ) . '&email=' . str_replace( ' ', '', $emailAddress ) . '&source=wordpress_7';
445
446	$results = file_get_contents( $url );
447
448
449
450	// Decode the return json results and return the data.
451
452	$data = json_decode( $results, true );
453
454	// mbv_wpcf7_mailboxvalidator_api_log( 'is_free', $data['email_address'], $data['is_free'], $data['credits_available'], $data['error_code'], $data['error_message'] );
455
456	if ( $data['error_message'] == '' ) {
457
458	if ( $data['is_free'] == 'False' ) {
459
460	return false;
461
462	} else {
463
464	return true;
465
466	}
467
468	}
469
470	}
471
472	function mbv_wpcf7_validate_email_check_disposable( $emailAddress, $api_key ) {
473
474	// Now we need to send the data to MBV API Key and return back the result.
475
476	$url = 'https://api.mailboxvalidator.com/v1/email/disposable?key=' . str_replace( ' ', '', $api_key ) . '&email=' . str_replace( ' ', '', $emailAddress ) . '&source=wordpress_7';
477
478	$results = file_get_contents( $url );
479
480
481
482	// Decode the return json results and return the data.
483
484	$data = json_decode( $results, true );
485
486	// mbv_wpcf7_mailboxvalidator_api_log( 'is_disposable', $data['email_address'], $data['is_disposable'], $data['credits_available'], $data['error_code'], $data['error_message'] );
487
488	if ( $data['error_message'] == '' ) {
489
490	if ( $data['is_disposable'] == 'False' ) {
491
492	return false;
493
494	} else {
495
496	return true;
497
498	}
499
500	}
501
502	}
503
504	function mbv_wpcf7_custom_email_validator_filter( $result, $tags ) {
505
506	// Get option settings to know which validator is been called
507
508	$options = get_option( 'mbv_wpcf7_email_validator_for_contact_form_7' );
509
510	$tags = new WPCF7_FormTag( $tags );
511
512	$type = $tags->type;
513
514	$name = $tags->name;
515
516	if ( ( 'email' == $type \|\| 'email*' == $type ) && !( $options['api_key'] == '' ) ) {
517
518	// do validation for disposable and free
519
520	/*
521	if( $options['disposable_on_off'] == 'on' ){
522
523	file_put_contents( __DIR__ . '/mbv_api_logs.log', 'mbv_wpcf7_validate_email_check_disposable result: ' . mbv_wpcf7_validate_email_check_disposable( sanitize_email ( $_POST[$name] ), $options['api_key'] ) . PHP_EOL, FILE_APPEND );
524	if( ( mbv_wpcf7_validate_email_check_disposable( sanitize_email ( $_POST[$name] ), $options['api_key'] ) ) == true){
525
526	$result->invalidate( $tags, __( $options['disposable_error_message'] ?? 'Invalid email address. Please enter a non-disposable email address.', 'email-validator-for-contact-form-7' ) );
527
528	}elseif ( $options['free_on_off'] == 'on' ){
529
530	if( ( mbv_wpcf7_validate_email_check_free( sanitize_email ( $_POST[$name] ), $options['api_key'] ) ) == true ){
531
532	$result->invalidate( $tags, __( $options['free_error_message'] ?? 'Invalid email address. Please enter a non-free email address.', 'email-validator-for-contact-form-7' ) );
533
534	}
535
536	}
537
538	} elseif ( $options['free_on_off'] == 'on' ){
539
540	if( ( mbv_wpcf7_validate_email_check_free( sanitize_email ( $_POST[$name] ), $options['api_key'] ) ) == true ){
541
542	$result->invalidate( $tags, __( $options['free_error_message'] ?? 'Invalid email address. Please enter a non-free email address.', 'email-validator-for-contact-form-7' ) );
543
544	}
545
546	}*/
547	$single_result = $options['invalid_on_off'] == 'on' ? mbv_wpcf7_single( $_POST[$name], $options['api_key'] ) : '';
548	$is_valid_email = $options['invalid_on_off'] == 'on' && $single_result != '' ? mbv_wpcf7_is_valid_email( $single_result ) : true;
549	$is_disposable = $options['disposable_on_off'] == 'on' ? mbv_wpcf7_validate_email_check_disposable( $_POST[$name] , $options['api_key'] ) : false;
550	$is_free = $options['free_on_off'] == 'on' ? mbv_wpcf7_validate_email_check_free( $_POST[$name] , $options['api_key'] ) : false;
551
552	if( $is_valid_email == false ){
553	if ( ($options['disposable_on_off'] == 'on') && ( $is_disposable == true ) ) {
554	$result->invalidate( $tags, __( $options['disposable_error_message'] ?? 'Invalid email address. Please enter a non-disposable email address.', 'email-validator-for-contact-form-7' ) );
555	} else {
556	$result->invalidate( $tags, __( $options['invalid_error_message'] ?? 'Invalid email address. Please enter a valid email address.', 'email-validator-for-contact-form-7' ) );
557	}
558	} elseif( $is_disposable == true ){
559	$result->invalidate( $tags, __( $options['disposable_error_message'] ?? 'Invalid email address. Please enter a non-disposable email address.', 'email-validator-for-contact-form-7' ) );
560	} elseif( $is_free == true ){
561	// $mbv_validation_result['status'] = false;
562	$result->invalidate( $tags, __( $options['free_error_message'] ?? 'Invalid email address. Please enter a non-free email address.', 'email-validator-for-contact-form-7' ) );
563	}
564
565	}
566
567	return $result;
568
569	}
570
571	add_filter( 'wpcf7_validate_email', 'mbv_wpcf7_custom_email_validator_filter', 20, 2 ); // Email field
572
573	add_filter( 'wpcf7_validate_email*', 'mbv_wpcf7_custom_email_validator_filter', 20, 2 ); // Req. Email field
574
575	function mbv_wpcf7_mailboxvalidator_api_log ( $mode, $api_result1, $api_result2, $api_result3, $api_result4, $api_result5 ) {
576
577	// Log all the MBV api usage to the log file
578
579	file_put_contents( __DIR__ . '/mbv_api_logs.log', 'Email Address: ' . $api_result1 . PHP_EOL, FILE_APPEND );
580
581	/*
582	if ( $mode == 'disposable' ) {
583	file_put_contents( __DIR__ . '/mbv_api_logs.log', 'is_disposable: ' . $api_result2 . PHP_EOL, FILE_APPEND );
584	} else {
585	file_put_contents( __DIR__ . '/mbv_api_logs.log', 'is_free: ' . $api_result2 . PHP_EOL, FILE_APPEND );
586	}
587	*/
588
589	file_put_contents( __DIR__ . '/mbv_api_logs.log', $mode . ': ' . $api_result2 . PHP_EOL, FILE_APPEND );
590
591	file_put_contents( __DIR__ . '/mbv_api_logs.log', 'Credits Available: ' . $api_result3 . PHP_EOL, FILE_APPEND );
592
593	file_put_contents( __DIR__ . '/mbv_api_logs.log', 'Error Code: ' . $api_result4 == '' ?: '-' . PHP_EOL, FILE_APPEND );
594
595	file_put_contents( __DIR__ . '/mbv_api_logs.log', 'Error Message: ' . $api_result5 == '' ?: '-' . PHP_EOL, FILE_APPEND );
596
597	file_put_contents( __DIR__ . '/mbv_api_logs.log', str_repeat( '-', 120 ) . PHP_EOL, FILE_APPEND );
598
599	}