Gravity Forms Zero Spam - Version 1.0.6.1

Version Description

on March 15, 2021 =

Fixed: JavaScript "null is not an object (evaluating 'el.addEventListener')" error on pages without a form

Release Info

Developer	gravityview
Plugin	Gravity Forms Zero Spam
Version	1.0.6.1
Comparing to
See all releases

Code changes from version 1.0.5 to 1.0.6.1

Files changed (2) hide show

gravityforms-zero-spam.php +35 -16
readme.txt +14 -11

gravityforms-zero-spam.php CHANGED Viewed

	@@ -2,8 +2,8 @@
2	/**
3	* Plugin Name: Gravity Forms Zero Spam
4	* Plugin URI: https://gravityview.co?utm_source=plugin&utm_campaign=zero-spam&utm_content=pluginuri
5	- * Description: Enhance ~~your~~ Gravity Forms to include anti-spam measures ~~originally~~ ~~based on the work of David Walsh's <~~a ~~href="http://davidwalsh~~.~~name/wordpress-comment-spam">"Zero Spam"</a> technique.~~
6	- * Version: 1.0.5
7	* Author: GravityView
8	* Author URI: https://gravityview.co?utm_source=plugin&utm_campaign=zero-spam&utm_content=authoruri
9	* License: GPL-2.0+
	@@ -41,7 +41,7 @@ class GF_Zero_Spam {
41
42	public function __construct() {
43	add_action( 'wp_print_footer_scripts', array( $this, 'add_key_field' ), 9999 );
44	- add_filter( 'gform_entry_is_spam', array( $this, 'check_key_field' ) );
45	}
46
47	/**
	@@ -69,17 +69,24 @@ class GF_Zero_Spam {
69	public function add_key_field() {
70	?>
71	<script type='text/javascript'>
72	- ~~jQuery(~~ document ).~~ready~~( function ( $ ) {
73	- var gforms = '.gform_wrapper form';
74	- ~~$( document ).on( 'submit', gforms, function () {~~
75	- $( ~~'<input>'~~ ).~~attr~~( ~~'type',~~ ~~'hidden'~~ )
76	- ~~.attr( 'name', 'gf_zero_spam_key' )~~
77	- ~~.attr~~( ~~'value',~~ ~~'<?php~~ ~~echo esc_js( $this->get_key(~~) ~~); ?>' )~~
78	- ~~.appendTo( gforms )~~;
79	-
80	- ~~return true;~~
81	- } );
82	- } );







83	</script>
84	<?php
85	}
	@@ -88,10 +95,22 @@ class GF_Zero_Spam {
88	* Checks for our zero spam key during validation
89	*
90	* @param bool $is_spam Indicates if the submission has been flagged as spam.


91	*
92	* @return bool True: it's spam; False: it's not spam!
93	*/
94	- public function check_key_field( $is_spam = false ) {










95
96	if ( ! isset( $_POST['gf_zero_spam_key'] ) ) {
97	return true;
	@@ -103,4 +122,4 @@ class GF_Zero_Spam {
103
104	return $is_spam;
105	}
106	- }


2	/**
3	* Plugin Name: Gravity Forms Zero Spam
4	* Plugin URI: https://gravityview.co?utm_source=plugin&utm_campaign=zero-spam&utm_content=pluginuri
5	+ * Description: Enhance Gravity Forms to include effective anti-spam measures—without using a CAPTCHA.
6	+ * Version: 1.0.6.1
7	* Author: GravityView
8	* Author URI: https://gravityview.co?utm_source=plugin&utm_campaign=zero-spam&utm_content=authoruri
9	* License: GPL-2.0+

41
42	public function __construct() {
43	add_action( 'wp_print_footer_scripts', array( $this, 'add_key_field' ), 9999 );
44	+ add_filter( 'gform_entry_is_spam', array( $this, 'check_key_field' ), 10, 3 );
45	}
46
47	/**

69	public function add_key_field() {
70	?>
71	<script type='text/javascript'>
72	+ document.addEventListener("DOMContentLoaded", function() {
73	+ var gforms = '.gform_wrapper form';
74	+
75	+ var el = document.querySelector( gforms );
76	+
77	+ if ( ! el ) {
78	+ return;
79	+ }
80	+
81	+ el.addEventListener( "submit", function ( e ) {
82	+ var input = document.createElement( "input" );
83	+ input.type = 'hidden';
84	+ input.name = 'gf_zero_spam_key';
85	+ input.value = '<?php echo esc_js( $this->get_key() ); ?>';
86	+
87	+ e.target.appendChild( input );
88	+ } );
89	+ });
90	</script>
91	<?php
92	}

95	* Checks for our zero spam key during validation
96	*
97	* @param bool $is_spam Indicates if the submission has been flagged as spam.
98	+ * @param array $form The form currently being processed.
99	+ * @param array $entry The entry currently being processed.
100	*
101	* @return bool True: it's spam; False: it's not spam!
102	*/
103	+ public function check_key_field( $is_spam = false, $form = array(), $entry = array() ) {
104	+
105	+ // This was not submitted using a web form; created using API
106	+ if ( ! did_action( 'gform_pre_submission' ) ) {
107	+ return $is_spam;
108	+ }
109	+
110	+ // Created using REST API or GFAPI
111	+ if ( isset( $entry['user_agent'] ) && 'API' === $entry['user_agent'] ) {
112	+ return $is_spam;
113	+ }
114
115	if ( ! isset( $_POST['gf_zero_spam_key'] ) ) {
116	return true;

122
123	return $is_spam;
124	}
125	+ }

readme.txt CHANGED Viewed

	@@ -1,9 +1,9 @@
1	=== Gravity Forms Zero Spam ===
2	Contributors: gravityview, karpstrucking, supporthero
3	- Tags: gravityforms, gravity forms, anti-spam, antispam, spam, spam-blocker, spambot, spammer, addons, ~~akismet,~~ ~~captcha, recaptcha~~
4	Requires at least: 3.0.1
5	- Tested up to: 5.~~6.1~~
6	- Stable tag: ~~1.0.5~~
7	Requires PHP: 5.2.6
8	License: GPLv2 or later
9	License URI: http://www.gnu.org/licenses/gpl-2.0.html
	@@ -12,20 +12,14 @@ Enhance your Gravity Forms to include anti-spam measures originally based on the
12
13	== Description ==
14
15	- This Gravity Forms add-on blocks spam a non-obtrusive anti-spam measure to all of ~~your~~ ~~Gravity~~ ~~Forms.~~
16
17	- ~~There~~ ~~are~~ no ~~settings~~ or ~~configuration~~ ~~needed:~~ ~~all~~ ~~you~~ ~~need~~ to do is ~~activate~~ ~~the~~ ~~plugin!~~
18	-
19	- Do you not want to use ReCAPTCHA because it's user-hostile? Use this instead! There are no stoplights or crosswalks here.
20
21	Originally based on David Walsh's "Zero Spam" technique. Requires [Gravity Forms](https://www.gravityforms.com/?partner_id=1210629&irgwc=1&utm_medium=affiliate&utm_campaign=1210629&utm_source=Katz%20Web%20Services%2C%20Inc.).
22
23	== Frequently Asked Questions ==
24
25	- = Why don't I see any changes after activating this on my site? =
26	-
27	- There are no settings to this plugin! It will block spam automatically and invisibly.
28	-
29	= Is this plugin PHP7 compatible? =
30
31	Yes.
	@@ -36,6 +30,15 @@ No. For that, we recommend Ben Marshall‘s [WordPress Zero Spam plugin](https:/
36
37	== Changelog ==
38









39	= 1.0.5 on February 16, 2021 =
40
41	The Gravity Forms Zero Spam plugin is now maintained by [GravityView](https://gravityview.co?utm_source=plugin&utm_campaign=zero-spam&utm_content=changelog). We look forward to continuing to improve this simple, effective spam blocker for Gravity Forms. Thanks to GoWP for their great work!


1	=== Gravity Forms Zero Spam ===
2	Contributors: gravityview, karpstrucking, supporthero
3	+ Tags: gravityforms, gravity forms, anti-spam, antispam, spam, spam-blocker, spambot, spammer, addons, add-ons
4	Requires at least: 3.0.1
5	+ Tested up to: 5.7
6	+ Stable tag: trunk
7	Requires PHP: 5.2.6
8	License: GPLv2 or later
9	License URI: http://www.gnu.org/licenses/gpl-2.0.html

12
13	== Description ==
14
15	+ This Gravity Forms add-on blocks spam using a non-obtrusive anti-spam measure. There are no settings or configuration needed: all you need to do is activate the plugin!
16
17	+ Do you not want to use ReCAPTCHA because it's user-hostile? Use this instead! There are no stoplights or crosswalks here.


18
19	Originally based on David Walsh's "Zero Spam" technique. Requires [Gravity Forms](https://www.gravityforms.com/?partner_id=1210629&irgwc=1&utm_medium=affiliate&utm_campaign=1210629&utm_source=Katz%20Web%20Services%2C%20Inc.).
20
21	== Frequently Asked Questions ==
22




23	= Is this plugin PHP7 compatible? =
24
25	Yes.

30
31	== Changelog ==
32
33	+ = 1.0.6.1 on March 15, 2021 =
34	+
35	+ * Fixed: JavaScript "null is not an object (evaluating 'el.addEventListener')" error on pages without a form
36	+
37	+ = 1.0.6 on March 11, 2021 =
38	+
39	+ * Improved: No longer requires jQuery
40	+ * Fixed: Only checks for spam on submissions that were submitted by a form, not for entries created programatically
41	+
42	= 1.0.5 on February 16, 2021 =
43
44	The Gravity Forms Zero Spam plugin is now maintained by [GravityView](https://gravityview.co?utm_source=plugin&utm_campaign=zero-spam&utm_content=changelog). We look forward to continuing to improve this simple, effective spam blocker for Gravity Forms. Thanks to GoWP for their great work!