Anti-spam - Version 3.2

Version Description

  • 2014-12-05 =
  • added ANTISPAM_VERSION constant (thanks to jumbo)
  • removed 'spam points' algorithm because it is not needed
Download this release

Release Info

Developer webvitaly
Plugin Icon 128x128 Anti-spam
Version 3.2
Comparing to
See all releases

Code changes from version 3.1 to 3.2

Files changed (3) hide show
  1. anti-spam.php +6 -51
  2. js/{anti-spam-3.0.js → anti-spam-3.2.js} +0 -0
  3. readme.txt +8 -17
anti-spam.php CHANGED
@@ -3,7 +3,7 @@
3
  Plugin Name: Anti-spam
4
  Plugin URI: http://wordpress.org/plugins/anti-spam/
5
  Description: No spam in comments. No captcha.
6
- Version: 3.1
7
  Author: webvitaly
8
  Author URI: http://web-profile.com.ua/wordpress/plugins/
9
  License: GPLv3
@@ -15,23 +15,20 @@ $antispam_allow_trackbacks = false; // if true, than trackbacks will be allowed
15
  // trackbacks almost not used by users, but mostly used by spammers; pingbacks are always enabled
16
  // more about the difference between trackback and pingback - http://web-profile.com.ua/web/trackback-vs-pingback/
17
 
 
18
 
19
  $antispam_settings = array(
20
  'send_spam_comment_to_admin' => $antispam_send_spam_comment_to_admin,
21
  'allow_trackbacks' => $antispam_allow_trackbacks,
22
- 'version' => '3.1',
23
- 'admin_email' => get_option('admin_email'),
24
- 'max_spam_points' => 3, // if more - it is spam
25
- 'max_links_number' => 2, // if more - +1 spam point
26
- 'max_comment_length' => 2000 // if more - +1 spam point
27
  );
28
 
29
 
30
  if ( ! function_exists('antispam_enqueue_script')):
31
  function antispam_enqueue_script() {
32
- global $antispam_settings;
33
  if (is_singular() && comments_open()) { // load script only for pages with comments form
34
- wp_enqueue_script('anti-spam-script', plugins_url('/js/anti-spam-3.0.js', __FILE__), array('jquery'), $antispam_settings['version'], true);
35
  }
36
  }
37
  add_action('wp_enqueue_scripts', 'antispam_enqueue_script');
@@ -118,49 +115,7 @@ if ( ! function_exists('antispam_check_comment')):
118
  $antispam_error_message .= 'Error: field should be empty. ['.$_POST['antspm-e-email-url-website'].']<br> '.$rn;
119
  }
120
 
121
- // if comment passed general checks lets add extra check
122
- if (empty($_COOKIE)) { // probably spam
123
- $spam_points += 1;
124
- $antispam_error_message .= 'Info: COOKIE array is empty. +1 spam point.<br> '.$rn;
125
- }
126
-
127
- if ( ! empty($commentdata['comment_author_url'])) { // probably spam
128
- $spam_points += 1;
129
- $antispam_error_message .= 'Info: URL field is not empty. +1 spam point.<br> '.$rn;
130
- }
131
-
132
- $links_count = substr_count($commentdata['comment_content'], 'http');
133
- if ($links_count > $antispam_settings['max_links_number']) { // probably spam
134
- $spam_points += 1;
135
- $antispam_error_message .= 'Info: comment contains too many links ['.$links_count.' links; max = '.$antispam_settings['max_links_number'].']. +1 spam point.<br> '.$rn;
136
- }
137
-
138
- if (strpos($commentdata['comment_content'], '</') !== false) { // probably spam
139
- $spam_points += 1;
140
- $antispam_error_message .= 'Info: comment contains html. +1 spam point.<br> '.$rn;
141
- }
142
-
143
- $comment_length = strlen($commentdata['comment_content']);
144
- if ($comment_length > $antispam_settings['max_comment_length']) { // probably spam
145
- $spam_points += 1;
146
- $antispam_error_message .= 'Info: comment is too long ['.$comment_length.' chars; max = '.$antispam_settings['max_comment_length'].']. +1 spam point.<br> '.$rn;
147
- }
148
-
149
- if (strpos($commentdata['comment_content'], 'rel="nofollow"') !== false) { // probably spam
150
- $spam_points += 1;
151
- $antispam_error_message .= 'Info: comment contains rel="nofollow" code. +1 spam point.<br> '.$rn;
152
- }
153
-
154
- if (strpos($commentdata['comment_content'], '[/url]') !== false) { // probably spam
155
- $spam_points += 1;
156
- $antispam_error_message .= 'Info: comment contains [/url] code. +1 spam point.<br> '.$rn;
157
- }
158
-
159
- if ($spam_points > 0) {
160
- $antispam_error_message .= 'Total spam points = '.$spam_points.' [max = '.$antispam_settings['max_spam_points'].']<br> '.$rn;
161
- }
162
-
163
- if ($spam_flag || $spam_points > $antispam_settings['max_spam_points']) { // it is spam
164
  $antispam_error_message .= '<strong>Comment was blocked because it is spam.</strong><br> ';
165
  if ($antispam_settings['send_spam_comment_to_admin']) { // if sending email to admin is enabled
166
  $antispam_subject = 'Spam comment on site ['.get_bloginfo('name').']'; // email subject
3
  Plugin Name: Anti-spam
4
  Plugin URI: http://wordpress.org/plugins/anti-spam/
5
  Description: No spam in comments. No captcha.
6
+ Version: 3.2
7
  Author: webvitaly
8
  Author URI: http://web-profile.com.ua/wordpress/plugins/
9
  License: GPLv3
15
  // trackbacks almost not used by users, but mostly used by spammers; pingbacks are always enabled
16
  // more about the difference between trackback and pingback - http://web-profile.com.ua/web/trackback-vs-pingback/
17
 
18
+ define('ANTISPAM_VERSION', '3.2');
19
 
20
  $antispam_settings = array(
21
  'send_spam_comment_to_admin' => $antispam_send_spam_comment_to_admin,
22
  'allow_trackbacks' => $antispam_allow_trackbacks,
23
+ 'version' => ANTISPAM_VERSION,
24
+ 'admin_email' => get_option('admin_email')
 
 
 
25
  );
26
 
27
 
28
  if ( ! function_exists('antispam_enqueue_script')):
29
  function antispam_enqueue_script() {
 
30
  if (is_singular() && comments_open()) { // load script only for pages with comments form
31
+ wp_enqueue_script('anti-spam-script', plugins_url('/js/anti-spam-3.2.js', __FILE__), array('jquery'), null, true);
32
  }
33
  }
34
  add_action('wp_enqueue_scripts', 'antispam_enqueue_script');
115
  $antispam_error_message .= 'Error: field should be empty. ['.$_POST['antspm-e-email-url-website'].']<br> '.$rn;
116
  }
117
 
118
+ if ($spam_flag) { // it is spam
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
119
  $antispam_error_message .= '<strong>Comment was blocked because it is spam.</strong><br> ';
120
  if ($antispam_settings['send_spam_comment_to_admin']) { // if sending email to admin is enabled
121
  $antispam_subject = 'Spam comment on site ['.get_bloginfo('name').']'; // email subject
js/{anti-spam-3.0.js → anti-spam-3.2.js} RENAMED
File without changes
readme.txt CHANGED
@@ -4,7 +4,7 @@ Donate link: http://web-profile.com.ua/donate/
4
  Tags: spam, spammer, spammers, comment, comments, antispam, anti-spam, block-spam, spamfree, spam-free, spambot, spam-bot, bot
5
  Requires at least: 3.0
6
  Tested up to: 4.0
7
- Stable tag: 3.1
8
  License: GPLv3
9
  License URI: http://www.gnu.org/licenses/gpl.html
10
 
@@ -47,7 +47,7 @@ If you get an error - you may check the solution in the [Support section](http:/
47
 
48
  = How does Anti-spam plugin work? =
49
 
50
- The blocking algorithm is based on 3 methods: 'invisible js-captcha', 'invisible input trap' and 'spam points'.
51
 
52
  = How does 'invisible js-captcha' method work? =
53
 
@@ -65,20 +65,6 @@ This field is hidden for the user and user will not fill it.
65
  But this field is visible for the spammer.
66
  If the spammer will fill this trap-field with anything - the comment will be blocked because it is spam.
67
 
68
- = How does 'spam points' method work? =
69
-
70
- Every comment will have +1 spam point for each truthy statement below:
71
-
72
- * empty COOKIE array
73
- * URL field is not empty
74
- * comment contains too many links (3 or more)
75
- * comment contains html
76
- * comment is too long (more than 2000 chars)
77
- * comment contains rel="nofollow" code
78
- * comment contains [/url] code
79
-
80
- If the comment will have more than 3 spam points - the comment will be blocked because it is spam.
81
-
82
  = How to test what spam comments are rejected? =
83
 
84
  You may enable sending all rejected spam comments to admin email.
@@ -106,7 +92,8 @@ But if the script of the theme will not submit extra Anti-spam fields - so Anti-
106
 
107
  = What is the percentage of spam blocked? =
108
 
109
- Anti-spam plugin blocks more than 99.5% of spam messages.
 
110
 
111
  = What about trackback spam? =
112
 
@@ -134,6 +121,10 @@ Do not order products from spam. If spam will be less effective than spammers wi
134
 
135
 
136
  == Changelog ==
 
 
 
 
137
  = 3.1 - 2014-12-04 =
138
  * remove log notices
139
 
4
  Tags: spam, spammer, spammers, comment, comments, antispam, anti-spam, block-spam, spamfree, spam-free, spambot, spam-bot, bot
5
  Requires at least: 3.0
6
  Tested up to: 4.0
7
+ Stable tag: 3.2
8
  License: GPLv3
9
  License URI: http://www.gnu.org/licenses/gpl.html
10
 
47
 
48
  = How does Anti-spam plugin work? =
49
 
50
+ The blocking algorithm is based on 2 methods: 'invisible js-captcha' and 'invisible input trap'.
51
 
52
  = How does 'invisible js-captcha' method work? =
53
 
65
  But this field is visible for the spammer.
66
  If the spammer will fill this trap-field with anything - the comment will be blocked because it is spam.
67
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
68
  = How to test what spam comments are rejected? =
69
 
70
  You may enable sending all rejected spam comments to admin email.
92
 
93
  = What is the percentage of spam blocked? =
94
 
95
+ Anti-spam plugin blocks about 99.9% of automatic spam messages (sent by spam-bots via post requests).
96
+ Anti-spam plugin will pass the messages which were submitted by spammers manually via browser. But such messages happens very rarely.
97
 
98
  = What about trackback spam? =
99
 
121
 
122
 
123
  == Changelog ==
124
+ = 3.2 - 2014-12-05 =
125
+ * added ANTISPAM_VERSION constant (thanks to jumbo)
126
+ * removed 'spam points' algorithm because it is not needed
127
+
128
  = 3.1 - 2014-12-04 =
129
  * remove log notices
130