Email Address Encoder - Version 1.0.5

Version Description

  • Prevented error when eae_encode_emails() doesn't receive a string
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Release Info

Developer tillkruess
Plugin Icon 128x128 Email Address Encoder
Version 1.0.5
Comparing to
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Code changes from version 1.0.4 to 1.0.5

Files changed (3) hide show
  1. email-address-encoder.php +34 -45
  2. languages/email-address-encoder.pot +36 -0
  3. readme.txt +14 -6
email-address-encoder.php CHANGED
@@ -3,46 +3,30 @@
3
  Plugin Name: Email Address Encoder
4
  Plugin URI: http://wordpress.org/plugins/email-address-encoder/
5
  Description: A lightweight plugin to protect email addresses from email-harvesting robots by encoding them into decimal and hexadecimal entities.
6
- Version: 1.0.4
7
  Author: Till Krüss
8
- Author URI: http://till.kruss.me/
9
  Text Domain: email-address-encoder
 
10
  License: GPLv3
11
  License URI: http://www.gnu.org/licenses/gpl-3.0.html
12
  */
13
 
14
- /**
15
- * Copyright 2014 Till Krüss (http://till.kruss.me/)
16
- *
17
- * This program is free software: you can redistribute it and/or modify
18
- * it under the terms of the GNU General Public License as published by
19
- * the Free Software Foundation, either version 3 of the License, or
20
- * (at your option) any later version.
21
- *
22
- * This program is distributed in the hope that it will be useful,
23
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
24
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25
- * GNU General Public License for more details.
26
- *
27
- * You should have received a copy of the GNU General Public License
28
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
29
- *
30
- * @package Email Address Encoder
31
- * @copyright 2014 Till Krüss
32
- */
33
 
34
  /**
35
- * Define plugin constants that can be overridden, generally in wp-config.php.
36
  */
37
- if (!defined('EAE_FILTER_PRIORITY'))
38
- define('EAE_FILTER_PRIORITY', 1000);
 
39
 
40
  /**
41
- * Register filters to encode exposed email addresses in
42
- * posts, pages, excerpts, comments and widgets.
43
  */
44
- foreach (array('the_content', 'the_excerpt', 'widget_text', 'comment_text', 'comment_excerpt') as $filter) {
45
- add_filter($filter, 'eae_encode_emails', EAE_FILTER_PRIORITY);
46
  }
47
 
48
  /**
@@ -55,15 +39,20 @@ foreach (array('the_content', 'the_excerpt', 'widget_text', 'comment_text', 'com
55
  * @param string $string Text with email addresses to encode
56
  * @return string $string Given text with encoded email addresses
57
  */
58
- function eae_encode_emails($string) {
 
 
 
 
 
59
 
60
- // abort if $string doesn't contain a @-sign
61
- if (apply_filters('eae_at_sign_check', true)) {
62
- if (strpos($string, '@') === false) return $string;
63
  }
64
 
65
  // override encoding function with the 'eae_method' filter
66
- $method = apply_filters('eae_method', 'eae_encode_str');
67
 
68
  // override regex pattern with the 'eae_regexp' filter
69
  $regexp = apply_filters(
@@ -88,7 +77,7 @@ function eae_encode_emails($string) {
88
  $regexp,
89
  create_function(
90
  '$matches',
91
- 'return '.$method.'($matches[0]);'
92
  ),
93
  $string
94
  );
@@ -110,27 +99,27 @@ function eae_encode_emails($string) {
110
  * @param string $string Text with email addresses to encode
111
  * @return string $string Given text with encoded email addresses
112
  */
113
- function eae_encode_str($string) {
114
 
115
- $chars = str_split($string);
116
- $seed = mt_rand(0, (int) abs(crc32($string) / strlen($string)));
117
 
118
- foreach ($chars as $key => $char) {
119
 
120
- $ord = ord($char);
121
 
122
- if ($ord < 128) { // ignore non-ascii chars
123
 
124
- $r = ($seed * (1 + $key)) % 100; // pseudo "random function"
125
 
126
- if ($r > 60 && $char != '@') ; // plain character (not encoded), if not @-sign
127
- else if ($r < 45) $chars[$key] = '&#x'.dechex($ord).';'; // hexadecimal
128
- else $chars[$key] = '&#'.$ord.';'; // decimal (ascii)
129
 
130
  }
131
 
132
  }
133
 
134
- return implode('', $chars);
135
 
136
  }
3
  Plugin Name: Email Address Encoder
4
  Plugin URI: http://wordpress.org/plugins/email-address-encoder/
5
  Description: A lightweight plugin to protect email addresses from email-harvesting robots by encoding them into decimal and hexadecimal entities.
6
+ Version: 1.0.5
7
  Author: Till Krüss
8
+ Author URI: https://till.im/
9
  Text Domain: email-address-encoder
10
+ Domain Path: /languages
11
  License: GPLv3
12
  License URI: http://www.gnu.org/licenses/gpl-3.0.html
13
  */
14
 
15
+ if ( ! defined( 'ABSPATH' ) ) exit;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
16
 
17
  /**
18
+ * Define default filter-priority constant, unless it has already been defined.
19
  */
20
+ if ( ! defined( 'EAE_FILTER_PRIORITY' ) ) {
21
+ define( 'EAE_FILTER_PRIORITY', 1000 );
22
+ }
23
 
24
  /**
25
+ * Register filters to encode plain email addresses in posts, pages, excerpts,
26
+ * comments and text widgets.
27
  */
28
+ foreach ( array( 'the_content', 'the_excerpt', 'widget_text', 'comment_text', 'comment_excerpt' ) as $filter ) {
29
+ add_filter( $filter, 'eae_encode_emails', EAE_FILTER_PRIORITY );
30
  }
31
 
32
  /**
39
  * @param string $string Text with email addresses to encode
40
  * @return string $string Given text with encoded email addresses
41
  */
42
+ function eae_encode_emails( $string ) {
43
+
44
+ // abort if `$string` isn't a string
45
+ if ( ! is_string( $string ) ) {
46
+ return $string;
47
+ }
48
 
49
+ // abort if `eae_at_sign_check` is true and `$string` doesn't contain a @-sign
50
+ if ( apply_filters( 'eae_at_sign_check', true ) && strpos( $string, '@' ) === false ) {
51
+ return $string;
52
  }
53
 
54
  // override encoding function with the 'eae_method' filter
55
+ $method = apply_filters( 'eae_method', 'eae_encode_str' );
56
 
57
  // override regex pattern with the 'eae_regexp' filter
58
  $regexp = apply_filters(
77
  $regexp,
78
  create_function(
79
  '$matches',
80
+ 'return ' . $method . '($matches[0]);'
81
  ),
82
  $string
83
  );
99
  * @param string $string Text with email addresses to encode
100
  * @return string $string Given text with encoded email addresses
101
  */
102
+ function eae_encode_str( $string ) {
103
 
104
+ $chars = str_split( $string );
105
+ $seed = mt_rand( 0, (int) abs( crc32( $string ) / strlen( $string ) ) );
106
 
107
+ foreach ( $chars as $key => $char ) {
108
 
109
+ $ord = ord( $char );
110
 
111
+ if ( $ord < 128 ) { // ignore non-ascii chars
112
 
113
+ $r = ( $seed * ( 1 + $key ) ) % 100; // pseudo "random function"
114
 
115
+ if ( $r > 60 && $char != '@' ) ; // plain character (not encoded), if not @-sign
116
+ else if ( $r < 45 ) $chars[ $key ] = '&#x' . dechex( $ord ) . ';'; // hexadecimal
117
+ else $chars[ $key ] = '&#' . $ord . ';'; // decimal (ascii)
118
 
119
  }
120
 
121
  }
122
 
123
+ return implode( '', $chars );
124
 
125
  }
languages/email-address-encoder.pot ADDED
@@ -0,0 +1,36 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ # Copyright (C) 2016 Email Address Encoder
2
+ # This file is distributed under the same license as the Email Address Encoder package.
3
+ msgid ""
4
+ msgstr ""
5
+ "Project-Id-Version: Email Address Encoder 1.0.5\n"
6
+ "Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/email-address-"
7
+ "encoder\n"
8
+ "POT-Creation-Date: 2016-05-02 16:21:44+00:00\n"
9
+ "MIME-Version: 1.0\n"
10
+ "Content-Type: text/plain; charset=UTF-8\n"
11
+ "Content-Transfer-Encoding: 8bit\n"
12
+ "PO-Revision-Date: 2016-MO-DA HO:MI+ZONE\n"
13
+ "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
14
+ "Language-Team: LANGUAGE <LL@li.org>\n"
15
+
16
+ #. Plugin Name of the plugin/theme
17
+ msgid "Email Address Encoder"
18
+ msgstr ""
19
+
20
+ #. Plugin URI of the plugin/theme
21
+ msgid "http://wordpress.org/plugins/email-address-encoder/"
22
+ msgstr ""
23
+
24
+ #. Description of the plugin/theme
25
+ msgid ""
26
+ "A lightweight plugin to protect email addresses from email-harvesting robots "
27
+ "by encoding them into decimal and hexadecimal entities."
28
+ msgstr ""
29
+
30
+ #. Author of the plugin/theme
31
+ msgid "Till Krüss"
32
+ msgstr ""
33
+
34
+ #. Author URI of the plugin/theme
35
+ msgid "https://till.im/"
36
+ msgstr ""
readme.txt CHANGED
@@ -3,8 +3,8 @@ Contributors: tillkruess
3
  Donate link: https://www.paypal.me/tillkruss
4
  Tags: antispam, anti spam, spam, email, e-mail, mail, spider, crawler, harvester, robots, spambot, block, obfuscate, obfuscation, encode, encoder, encoding, encrypt, encryption, protect, protection
5
  Requires at least: 2.0
6
- Tested up to: 4.5
7
- Stable tag: 1.0.4
8
  License: GPLv3
9
  License URI: http://www.gnu.org/licenses/gpl-3.0.html
10
 
@@ -51,9 +51,9 @@ This plugin doesn't encode the entire website for performance reasons, it encode
51
 
52
  You can override [the pattern](http://fightingforalostcause.net/misc/2006/compare-email-regex.php "Comparing E-mail Address Validating Regular Expressions") with the `eae_regexp` filter: `add_filter( 'eae_regexp', function () { return '/^pattern$/'; } );`
53
 
54
- = How can I change the priorty of the default filters? =
55
 
56
- The default filter priorty is `1000` and you can adjust it by defining the `EAE_FILTER_PRIORITY` constant: `define( 'EAE_FILTER_PRIORITY', 99999 );`. The constant has to be defined before this plugin is loaded, e.g. in your `wp-config.php` or in Must-use plugin (a.k.a. mu-plugin).
57
 
58
  = How can I disable the @-sign check? =
59
 
@@ -62,9 +62,13 @@ Like this: `add_filter( 'eae_at_sign_check', '__return_false' );`
62
 
63
  == Changelog ==
64
 
 
 
 
 
65
  = 1.0.4 =
66
 
67
- * Added `EAE_FILTER_PRIORITY` constant to adjust default filter priorty
68
 
69
  = 1.0.3 =
70
 
@@ -87,9 +91,13 @@ Like this: `add_filter( 'eae_at_sign_check', '__return_false' );`
87
 
88
  == Upgrade Notice ==
89
 
 
 
 
 
90
  = 1.0.4 =
91
 
92
- Added constant to adjust default filter priorty.
93
 
94
  = 1.0.3 =
95
 
3
  Donate link: https://www.paypal.me/tillkruss
4
  Tags: antispam, anti spam, spam, email, e-mail, mail, spider, crawler, harvester, robots, spambot, block, obfuscate, obfuscation, encode, encoder, encoding, encrypt, encryption, protect, protection
5
  Requires at least: 2.0
6
+ Tested up to: 4.9
7
+ Stable tag: 1.0.5
8
  License: GPLv3
9
  License URI: http://www.gnu.org/licenses/gpl-3.0.html
10
 
51
 
52
  You can override [the pattern](http://fightingforalostcause.net/misc/2006/compare-email-regex.php "Comparing E-mail Address Validating Regular Expressions") with the `eae_regexp` filter: `add_filter( 'eae_regexp', function () { return '/^pattern$/'; } );`
53
 
54
+ = How can I change the priority of the default filters? =
55
 
56
+ The default filter priority is `1000` and you can adjust it by defining the `EAE_FILTER_PRIORITY` constant: `define( 'EAE_FILTER_PRIORITY', 99999 );`. The constant has to be defined before this plugin is loaded, e.g. in your `wp-config.php` or in Must-use plugin (a.k.a. mu-plugin).
57
 
58
  = How can I disable the @-sign check? =
59
 
62
 
63
  == Changelog ==
64
 
65
+ = 1.0.5 =
66
+
67
+ * Prevented error when `eae_encode_emails()` doesn't receive a `string`
68
+
69
  = 1.0.4 =
70
 
71
+ * Added `EAE_FILTER_PRIORITY` constant to adjust default filter priority
72
 
73
  = 1.0.3 =
74
 
91
 
92
  == Upgrade Notice ==
93
 
94
+ = 1.0.5 =
95
+
96
+ This update includes a minor bug fix.
97
+
98
  = 1.0.4 =
99
 
100
+ Added constant to adjust default filter priority.
101
 
102
  = 1.0.3 =
103