Gravity Forms Zero Spam - Version 1.1

Version Description

on April 2021 =

  • Improved: The JavaScript code that adds the spam-catching field is now output at the same time as Gravity Forms' inline JavaScript.
    • The script is only loaded when forms are displayed
    • jQuery is always available because Gravity Forms loads it as-needed
Download this release

Release Info

Developer gravityview
Plugin Icon 128x128 Gravity Forms Zero Spam
Version 1.1
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Code changes from version 1.0.7 to 1.1

Files changed (3) hide show
  1. LICENSE +339 -0
  2. gravityforms-zero-spam.php +21 -20
  3. readme.txt +31 -4
LICENSE ADDED
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+ Public License instead of this License.
gravityforms-zero-spam.php CHANGED
@@ -3,7 +3,7 @@
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: 1.0.7
7
  * Author: GravityView
8
  * Author URI: https://gravityview.co?utm_source=plugin&utm_campaign=zero-spam&utm_content=authoruri
9
  * License: GPL-2.0+
@@ -40,7 +40,7 @@ class GF_Zero_Spam {
40
  }
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
 
@@ -62,27 +62,28 @@ class GF_Zero_Spam {
62
  }
63
 
64
  /**
65
- * Adds inject the hidden field and key into the form at submission
 
 
 
 
66
  *
67
  * @return void
68
  */
69
- public function add_key_field() {
70
- ?>
71
- <script type='text/javascript'>
72
- if ( window.jQuery ) {
73
- jQuery( document ).ready( function ( $ ) {
74
- var gforms = '.gform_wrapper form';
75
- $( document ).on( 'submit', gforms, function () {
76
- $( '<input>' ).attr( 'type', 'hidden' )
77
- .attr( 'name', 'gf_zero_spam_key' )
78
- .attr( 'value', '<?php echo esc_js( $this->get_key() ); ?>' )
79
- .appendTo( gforms );
80
- return true;
81
- } );
82
- } );
83
- }
84
- </script>
85
- <?php
86
  }
87
 
88
  /**
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: 1.1
7
  * Author: GravityView
8
  * Author URI: https://gravityview.co?utm_source=plugin&utm_campaign=zero-spam&utm_content=authoruri
9
  * License: GPL-2.0+
40
  }
41
 
42
  public function __construct() {
43
+ add_action( 'gform_register_init_scripts', array( $this, 'add_key_field' ), 9999 );
44
  add_filter( 'gform_entry_is_spam', array( $this, 'check_key_field' ), 10, 3 );
45
  }
46
 
62
  }
63
 
64
  /**
65
+ * Injects the hidden field and key into the form at submission
66
+ *
67
+ * @uses GFFormDisplay::add_init_script() to inject the code into the `gform_post_render` jQuery hook.
68
+ *
69
+ * @param array $form The Form Object
70
  *
71
  * @return void
72
  */
73
+ public function add_key_field( $form ) {
74
+
75
+ $spam_key = esc_js( $this->get_key() );
76
+
77
+ $script = <<<EOD
78
+ jQuery( document ).on( 'submit.gravityforms', '.gform_wrapper form', function( event ) {
79
+ jQuery( '<input>' ).attr( 'type', 'hidden' )
80
+ .attr( 'name', 'gf_zero_spam_key' )
81
+ .attr( 'value', '{$spam_key}' )
82
+ .appendTo( jQuery( this ) );
83
+ } );
84
+ EOD;
85
+
86
+ GFFormDisplay::add_init_script( $form['id'], 'placeholders', GFFormDisplay::ON_PAGE_RENDER, $script );
 
 
 
87
  }
88
 
89
  /**
readme.txt CHANGED
@@ -2,7 +2,7 @@
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
@@ -14,22 +14,49 @@ Enhance your Gravity Forms to include anti-spam measures originally based on the
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.
26
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
27
  = Will this block spam comments or registrations on my site? =
28
 
29
  No. For that, we recommend Ben Marshall‘s [WordPress Zero Spam plugin](https://wordpress.org/plugins/zero-spam/).
30
 
31
  == Changelog ==
32
 
 
 
 
 
 
 
33
  = 1.0.7 on March 18, 2021 =
34
 
35
  * Fixed: All entries marked as spam for AJAX-enabled forms. Sorry, folks! Won't happen again.
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: 5.7.1
6
  Stable tag: trunk
7
  Requires PHP: 5.2.6
8
  License: GPLv2 or later
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  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!
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+ **reCaptcha is user-hostile!** Use this instead! Users don't need to click stoplights, crosswalks, or bicycles when you use this plugin to stop spam.
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+ 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.).
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+
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+ _Brought to you by [GravityView](https://gravityview.co?utm_source=plugin&utm_campaign=zero-spam&utm_content=readme). We create essential Gravity Forms Add-Ons._
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  == Frequently Asked Questions ==
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+ = Is this plugin PHP 7 compatible? =
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  Yes.
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+ = Does this plugin work in combination with other CAPTCHAs or spam blocker plugins? =
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+
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+ Yep, you can use this plugin in combination with all other spam-blocking plugins:
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+
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+ - Gravity Forms' Google reCaptcha feature
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+ - WPBruiser
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+ - Akismet
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+ - Gravity Forms' honeypot fields
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+ - GravityCaptcha
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+ - СleanTalk
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+ - WP Armor
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+ - fail2ban
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+
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+ Zero Spam will not interfere with the operation of those plugins.
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+
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+ = What version of Gravity Forms does this work with? =
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+
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+ This works with all Gravity Forms releases after v2.3 (released June 2017). The plugin also blocks bots in the latest Gravity Forms 2.5!
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+
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  = Will this block spam comments or registrations on my site? =
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  No. For that, we recommend Ben Marshall‘s [WordPress Zero Spam plugin](https://wordpress.org/plugins/zero-spam/).
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  == Changelog ==
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+ = 1.1 on April 2021 =
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+
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+ * Improved: The JavaScript code that adds the spam-catching field is now output at the same time as Gravity Forms' inline JavaScript.
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+ - The script is only loaded when forms are displayed
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+ - jQuery is always available because Gravity Forms loads it as-needed
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+
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  = 1.0.7 on March 18, 2021 =
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  * Fixed: All entries marked as spam for AJAX-enabled forms. Sorry, folks! Won't happen again.