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1 <?php |
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2 /** |
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3 * @package Akismet |
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4 */ |
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5 /* |
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6 Plugin Name: Akismet |
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7 Plugin URI: http://akismet.com/?return=true |
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8 Description: Used by millions, Akismet is quite possibly the best way in the world to <strong>protect your blog from comment and trackback spam</strong>. It keeps your site protected from spam even while you sleep. To get started: 1) Click the "Activate" link to the left of this description, 2) <a href="http://akismet.com/get/?return=true">Sign up for an Akismet API key</a>, and 3) Go to your Akismet configuration page, and save your API key. |
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9 Version: 2.5.9 |
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10 Author: Automattic |
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11 Author URI: http://automattic.com/wordpress-plugins/ |
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12 License: GPLv2 or later |
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13 */ |
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14 |
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15 /* |
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16 This program is free software; you can redistribute it and/or |
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17 modify it under the terms of the GNU General Public License |
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18 as published by the Free Software Foundation; either version 2 |
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19 of the License, or (at your option) any later version. |
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20 |
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21 This program is distributed in the hope that it will be useful, |
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22 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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24 GNU General Public License for more details. |
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25 |
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26 You should have received a copy of the GNU General Public License |
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27 along with this program; if not, write to the Free Software |
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28 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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29 */ |
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30 |
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31 // Make sure we don't expose any info if called directly |
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32 if ( !function_exists( 'add_action' ) ) { |
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33 echo 'Hi there! I\'m just a plugin, not much I can do when called directly.'; |
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34 exit; |
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35 } |
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36 |
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37 define('AKISMET_VERSION', '2.5.9'); |
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38 define('AKISMET_PLUGIN_URL', plugin_dir_url( __FILE__ )); |
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39 |
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40 /** If you hardcode a WP.com API key here, all key config screens will be hidden */ |
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41 if ( defined('WPCOM_API_KEY') ) |
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42 $wpcom_api_key = constant('WPCOM_API_KEY'); |
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43 else |
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44 $wpcom_api_key = ''; |
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45 |
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46 if ( isset($wp_db_version) && $wp_db_version <= 9872 ) |
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47 include_once dirname( __FILE__ ) . '/legacy.php'; |
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48 |
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49 include_once dirname( __FILE__ ) . '/widget.php'; |
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50 |
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51 if ( is_admin() ) |
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52 require_once dirname( __FILE__ ) . '/admin.php'; |
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53 |
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54 function akismet_init() { |
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55 global $wpcom_api_key, $akismet_api_host, $akismet_api_port; |
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56 |
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57 if ( $wpcom_api_key ) |
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58 $akismet_api_host = $wpcom_api_key . '.rest.akismet.com'; |
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59 else |
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60 $akismet_api_host = get_option('wordpress_api_key') . '.rest.akismet.com'; |
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61 |
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62 $akismet_api_port = 80; |
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63 } |
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64 add_action('init', 'akismet_init'); |
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65 |
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66 function akismet_get_key() { |
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67 global $wpcom_api_key; |
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68 if ( !empty($wpcom_api_key) ) |
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69 return $wpcom_api_key; |
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70 return get_option('wordpress_api_key'); |
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71 } |
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72 |
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73 function akismet_check_key_status( $key, $ip = null ) { |
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74 global $akismet_api_host, $akismet_api_port, $wpcom_api_key; |
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75 $blog = urlencode( get_option('home') ); |
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76 if ( $wpcom_api_key ) |
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77 $key = $wpcom_api_key; |
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78 $response = akismet_http_post("key=$key&blog=$blog", 'rest.akismet.com', '/1.1/verify-key', $akismet_api_port, $ip); |
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79 return $response; |
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80 } |
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81 |
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82 // given a response from an API call like akismet_check_key_status(), update the alert code options if an alert is present. |
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83 function akismet_update_alert( $response ) { |
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84 $code = $msg = null; |
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85 if ( isset($response[0]['x-akismet-alert-code']) ) { |
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86 $code = $response[0]['x-akismet-alert-code']; |
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87 $msg = $response[0]['x-akismet-alert-msg']; |
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88 } |
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89 |
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90 // only call update_option() if the value has changed |
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91 if ( $code != get_option( 'akismet_alert_code' ) ) { |
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92 update_option( 'akismet_alert_code', $code ); |
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93 update_option( 'akismet_alert_msg', $msg ); |
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94 } |
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95 } |
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96 |
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97 function akismet_verify_key( $key, $ip = null ) { |
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98 $response = akismet_check_key_status( $key, $ip ); |
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99 akismet_update_alert( $response ); |
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100 if ( !is_array($response) || !isset($response[1]) || $response[1] != 'valid' && $response[1] != 'invalid' ) |
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101 return 'failed'; |
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102 return $response[1]; |
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103 } |
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104 |
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105 // if we're in debug or test modes, use a reduced service level so as not to polute training or stats data |
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106 function akismet_test_mode() { |
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107 if ( defined('AKISMET_TEST_MODE') && AKISMET_TEST_MODE ) |
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108 return true; |
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109 return false; |
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110 } |
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111 |
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112 // return a comma-separated list of role names for the given user |
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113 function akismet_get_user_roles( $user_id ) { |
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114 $roles = false; |
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115 |
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116 if ( !class_exists('WP_User') ) |
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117 return false; |
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118 |
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119 if ( $user_id > 0 ) { |
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120 $comment_user = new WP_User($user_id); |
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121 if ( isset($comment_user->roles) ) |
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122 $roles = join(',', $comment_user->roles); |
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123 } |
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124 |
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125 if ( is_multisite() && is_super_admin( $user_id ) ) { |
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126 if ( empty( $roles ) ) { |
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127 $roles = 'super_admin'; |
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128 } else { |
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129 $comment_user->roles[] = 'super_admin'; |
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130 $roles = join( ',', $comment_user->roles ); |
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131 } |
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132 } |
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133 |
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134 return $roles; |
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135 } |
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136 |
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137 // Returns array with headers in $response[0] and body in $response[1] |
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138 function akismet_http_post($request, $host, $path, $port = 80, $ip=null) { |
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139 global $wp_version; |
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140 |
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141 $akismet_ua = "WordPress/{$wp_version} | "; |
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142 $akismet_ua .= 'Akismet/' . constant( 'AKISMET_VERSION' ); |
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143 |
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144 $akismet_ua = apply_filters( 'akismet_ua', $akismet_ua ); |
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145 |
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146 $content_length = strlen( $request ); |
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147 |
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148 $http_host = $host; |
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149 // use a specific IP if provided |
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150 // needed by akismet_check_server_connectivity() |
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151 if ( $ip && long2ip( ip2long( $ip ) ) ) { |
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152 $http_host = $ip; |
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153 } else { |
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154 $http_host = $host; |
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155 } |
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156 |
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157 // use the WP HTTP class if it is available |
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158 if ( function_exists( 'wp_remote_post' ) ) { |
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159 $http_args = array( |
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160 'body' => $request, |
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161 'headers' => array( |
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162 'Content-Type' => 'application/x-www-form-urlencoded; ' . |
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163 'charset=' . get_option( 'blog_charset' ), |
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164 'Host' => $host, |
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165 'User-Agent' => $akismet_ua |
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166 ), |
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167 'httpversion' => '1.0', |
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168 'timeout' => 15 |
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169 ); |
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170 $akismet_url = "http://{$http_host}{$path}"; |
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171 $response = wp_remote_post( $akismet_url, $http_args ); |
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172 if ( is_wp_error( $response ) ) |
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173 return ''; |
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174 |
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175 return array( $response['headers'], $response['body'] ); |
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176 } else { |
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177 $http_request = "POST $path HTTP/1.0\r\n"; |
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178 $http_request .= "Host: $host\r\n"; |
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179 $http_request .= 'Content-Type: application/x-www-form-urlencoded; charset=' . get_option('blog_charset') . "\r\n"; |
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180 $http_request .= "Content-Length: {$content_length}\r\n"; |
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181 $http_request .= "User-Agent: {$akismet_ua}\r\n"; |
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182 $http_request .= "\r\n"; |
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183 $http_request .= $request; |
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184 |
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185 $response = ''; |
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186 if( false != ( $fs = @fsockopen( $http_host, $port, $errno, $errstr, 10 ) ) ) { |
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187 fwrite( $fs, $http_request ); |
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188 |
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189 while ( !feof( $fs ) ) |
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190 $response .= fgets( $fs, 1160 ); // One TCP-IP packet |
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191 fclose( $fs ); |
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192 $response = explode( "\r\n\r\n", $response, 2 ); |
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193 } |
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194 return $response; |
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195 } |
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196 } |
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197 |
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198 // filter handler used to return a spam result to pre_comment_approved |
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199 function akismet_result_spam( $approved ) { |
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200 // bump the counter here instead of when the filter is added to reduce the possibility of overcounting |
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201 if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) |
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202 update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); |
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203 // this is a one-shot deal |
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204 remove_filter( 'pre_comment_approved', 'akismet_result_spam' ); |
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205 return 'spam'; |
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206 } |
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207 |
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208 function akismet_result_hold( $approved ) { |
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209 // once only |
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210 remove_filter( 'pre_comment_approved', 'akismet_result_hold' ); |
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211 return '0'; |
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212 } |
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213 |
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214 // how many approved comments does this author have? |
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215 function akismet_get_user_comments_approved( $user_id, $comment_author_email, $comment_author, $comment_author_url ) { |
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216 global $wpdb; |
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217 |
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218 if ( !empty($user_id) ) |
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219 return $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->comments WHERE user_id = %d AND comment_approved = 1", $user_id ) ); |
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220 |
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221 if ( !empty($comment_author_email) ) |
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222 return $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_author_email = %s AND comment_author = %s AND comment_author_url = %s AND comment_approved = 1", $comment_author_email, $comment_author, $comment_author_url ) ); |
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223 |
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224 return 0; |
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225 } |
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226 |
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227 function akismet_microtime() { |
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228 $mtime = explode( ' ', microtime() ); |
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229 return $mtime[1] + $mtime[0]; |
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230 } |
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231 |
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232 // log an event for a given comment, storing it in comment_meta |
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233 function akismet_update_comment_history( $comment_id, $message, $event=null ) { |
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234 global $current_user; |
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235 |
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236 // failsafe for old WP versions |
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237 if ( !function_exists('add_comment_meta') ) |
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238 return false; |
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239 |
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240 $user = ''; |
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241 if ( is_object($current_user) && isset($current_user->user_login) ) |
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242 $user = $current_user->user_login; |
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243 |
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244 $event = array( |
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245 'time' => akismet_microtime(), |
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246 'message' => $message, |
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247 'event' => $event, |
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248 'user' => $user, |
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249 ); |
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250 |
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251 // $unique = false so as to allow multiple values per comment |
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252 $r = add_comment_meta( $comment_id, 'akismet_history', $event, false ); |
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253 } |
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254 |
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255 // get the full comment history for a given comment, as an array in reverse chronological order |
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256 function akismet_get_comment_history( $comment_id ) { |
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257 |
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258 // failsafe for old WP versions |
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259 if ( !function_exists('add_comment_meta') ) |
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260 return false; |
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261 |
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262 $history = get_comment_meta( $comment_id, 'akismet_history', false ); |
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263 usort( $history, 'akismet_cmp_time' ); |
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264 return $history; |
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265 } |
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266 |
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267 function akismet_cmp_time( $a, $b ) { |
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268 return $a['time'] > $b['time'] ? -1 : 1; |
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269 } |
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270 |
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271 // this fires on wp_insert_comment. we can't update comment_meta when akismet_auto_check_comment() runs |
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272 // because we don't know the comment ID at that point. |
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273 function akismet_auto_check_update_meta( $id, $comment ) { |
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274 global $akismet_last_comment; |
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275 |
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276 // failsafe for old WP versions |
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277 if ( !function_exists('add_comment_meta') ) |
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278 return false; |
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279 |
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280 if ( !isset( $akismet_last_comment['comment_author_email'] ) ) |
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281 $akismet_last_comment['comment_author_email'] = ''; |
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282 |
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283 // wp_insert_comment() might be called in other contexts, so make sure this is the same comment |
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284 // as was checked by akismet_auto_check_comment |
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285 if ( is_object($comment) && !empty($akismet_last_comment) && is_array($akismet_last_comment) ) { |
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286 if ( isset($akismet_last_comment['comment_post_ID']) && intval($akismet_last_comment['comment_post_ID']) == intval($comment->comment_post_ID) |
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287 && $akismet_last_comment['comment_author'] == $comment->comment_author |
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288 && $akismet_last_comment['comment_author_email'] == $comment->comment_author_email ) { |
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289 // normal result: true or false |
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290 if ( $akismet_last_comment['akismet_result'] == 'true' ) { |
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291 update_comment_meta( $comment->comment_ID, 'akismet_result', 'true' ); |
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292 akismet_update_comment_history( $comment->comment_ID, __('Akismet caught this comment as spam'), 'check-spam' ); |
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293 if ( $comment->comment_approved != 'spam' ) |
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294 akismet_update_comment_history( $comment->comment_ID, sprintf( __('Comment status was changed to %s'), $comment->comment_approved), 'status-changed'.$comment->comment_approved ); |
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295 } elseif ( $akismet_last_comment['akismet_result'] == 'false' ) { |
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296 update_comment_meta( $comment->comment_ID, 'akismet_result', 'false' ); |
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297 akismet_update_comment_history( $comment->comment_ID, __('Akismet cleared this comment'), 'check-ham' ); |
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298 if ( $comment->comment_approved == 'spam' ) { |
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299 if ( wp_blacklist_check($comment->comment_author, $comment->comment_author_email, $comment->comment_author_url, $comment->comment_content, $comment->comment_author_IP, $comment->comment_agent) ) |
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300 akismet_update_comment_history( $comment->comment_ID, __('Comment was caught by wp_blacklist_check'), 'wp-blacklisted' ); |
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301 else |
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302 akismet_update_comment_history( $comment->comment_ID, sprintf( __('Comment status was changed to %s'), $comment->comment_approved), 'status-changed-'.$comment->comment_approved ); |
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303 } |
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304 // abnormal result: error |
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305 } else { |
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306 update_comment_meta( $comment->comment_ID, 'akismet_error', time() ); |
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307 akismet_update_comment_history( $comment->comment_ID, sprintf( __('Akismet was unable to check this comment (response: %s), will automatically retry again later.'), substr($akismet_last_comment['akismet_result'], 0, 50)), 'check-error' ); |
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308 } |
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309 |
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310 // record the complete original data as submitted for checking |
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311 if ( isset($akismet_last_comment['comment_as_submitted']) ) |
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312 update_comment_meta( $comment->comment_ID, 'akismet_as_submitted', $akismet_last_comment['comment_as_submitted'] ); |
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313 } |
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314 } |
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315 } |
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316 |
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317 add_action( 'wp_insert_comment', 'akismet_auto_check_update_meta', 10, 2 ); |
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318 |
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319 |
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320 function akismet_auto_check_comment( $commentdata ) { |
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321 global $akismet_api_host, $akismet_api_port, $akismet_last_comment; |
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322 |
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323 $comment = $commentdata; |
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324 $comment['user_ip'] = $_SERVER['REMOTE_ADDR']; |
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325 $comment['user_agent'] = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : null; |
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326 $comment['referrer'] = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : null; |
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327 $comment['blog'] = get_option('home'); |
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328 $comment['blog_lang'] = get_locale(); |
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329 $comment['blog_charset'] = get_option('blog_charset'); |
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330 $comment['permalink'] = get_permalink($comment['comment_post_ID']); |
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331 |
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332 if ( !empty( $comment['user_ID'] ) ) { |
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333 $comment['user_role'] = akismet_get_user_roles( $comment['user_ID'] ); |
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334 } |
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335 |
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336 $akismet_nonce_option = apply_filters( 'akismet_comment_nonce', get_option( 'akismet_comment_nonce' ) ); |
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337 $comment['akismet_comment_nonce'] = 'inactive'; |
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338 if ( $akismet_nonce_option == 'true' || $akismet_nonce_option == '' ) { |
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339 $comment['akismet_comment_nonce'] = 'failed'; |
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340 if ( isset( $_POST['akismet_comment_nonce'] ) && wp_verify_nonce( $_POST['akismet_comment_nonce'], 'akismet_comment_nonce_' . $comment['comment_post_ID'] ) ) |
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341 $comment['akismet_comment_nonce'] = 'passed'; |
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342 |
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343 // comment reply in wp-admin |
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344 if ( isset( $_POST['_ajax_nonce-replyto-comment'] ) && check_ajax_referer( 'replyto-comment', '_ajax_nonce-replyto-comment' ) ) |
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345 $comment['akismet_comment_nonce'] = 'passed'; |
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346 |
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347 } |
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348 |
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349 if ( akismet_test_mode() ) |
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350 $comment['is_test'] = 'true'; |
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351 |
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352 foreach ($_POST as $key => $value ) { |
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353 if ( is_string($value) ) |
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354 $comment["POST_{$key}"] = $value; |
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355 } |
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356 |
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357 $ignore = array( 'HTTP_COOKIE', 'HTTP_COOKIE2', 'PHP_AUTH_PW' ); |
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358 |
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359 foreach ( $_SERVER as $key => $value ) { |
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360 if ( !in_array( $key, $ignore ) && is_string($value) ) |
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361 $comment["$key"] = $value; |
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362 else |
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363 $comment["$key"] = ''; |
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364 } |
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365 |
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366 $post = get_post( $comment['comment_post_ID'] ); |
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367 $comment[ 'comment_post_modified_gmt' ] = $post->post_modified_gmt; |
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368 |
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369 $query_string = ''; |
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370 foreach ( $comment as $key => $data ) |
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371 $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; |
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372 |
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373 $commentdata['comment_as_submitted'] = $comment; |
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374 |
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375 $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); |
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376 do_action( 'akismet_comment_check_response', $response ); |
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377 akismet_update_alert( $response ); |
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378 $commentdata['akismet_result'] = $response[1]; |
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379 if ( 'true' == $response[1] ) { |
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380 // akismet_spam_count will be incremented later by akismet_result_spam() |
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381 add_filter('pre_comment_approved', 'akismet_result_spam'); |
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382 |
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383 do_action( 'akismet_spam_caught' ); |
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384 |
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385 $last_updated = strtotime( $post->post_modified_gmt ); |
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386 $diff = time() - $last_updated; |
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387 $diff = $diff / 86400; |
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388 |
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389 if ( $post->post_type == 'post' && $diff > 30 && get_option( 'akismet_discard_month' ) == 'true' && empty($comment['user_ID']) ) { |
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390 // akismet_result_spam() won't be called so bump the counter here |
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391 if ( $incr = apply_filters('akismet_spam_count_incr', 1) ) |
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392 update_option( 'akismet_spam_count', get_option('akismet_spam_count') + $incr ); |
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393 $redirect_to = isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : get_permalink( $post ); |
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394 wp_safe_redirect( $redirect_to ); |
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395 die(); |
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396 } |
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397 } |
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398 |
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399 // if the response is neither true nor false, hold the comment for moderation and schedule a recheck |
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400 if ( 'true' != $response[1] && 'false' != $response[1] ) { |
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401 if ( !current_user_can('moderate_comments') ) { |
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402 add_filter('pre_comment_approved', 'akismet_result_hold'); |
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403 } |
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404 if ( !wp_next_scheduled( 'akismet_schedule_cron_recheck' ) ) { |
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405 wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); |
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406 } |
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407 } |
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408 |
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409 if ( function_exists('wp_next_scheduled') && function_exists('wp_schedule_event') ) { |
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410 // WP 2.1+: delete old comments daily |
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411 if ( !wp_next_scheduled('akismet_scheduled_delete') ) |
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412 wp_schedule_event(time(), 'daily', 'akismet_scheduled_delete'); |
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413 } elseif ( (mt_rand(1, 10) == 3) ) { |
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414 // WP 2.0: run this one time in ten |
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415 akismet_delete_old(); |
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416 } |
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417 $akismet_last_comment = $commentdata; |
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418 |
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419 akismet_fix_scheduled_recheck(); |
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420 return $commentdata; |
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421 } |
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422 |
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423 add_action('preprocess_comment', 'akismet_auto_check_comment', 1); |
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424 |
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425 function akismet_delete_old() { |
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426 global $wpdb; |
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427 $now_gmt = current_time('mysql', 1); |
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428 $comment_ids = $wpdb->get_col("SELECT comment_id FROM $wpdb->comments WHERE DATE_SUB('$now_gmt', INTERVAL 15 DAY) > comment_date_gmt AND comment_approved = 'spam'"); |
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429 if ( empty( $comment_ids ) ) |
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430 return; |
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431 |
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432 $comma_comment_ids = implode( ', ', array_map('intval', $comment_ids) ); |
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433 |
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434 do_action( 'delete_comment', $comment_ids ); |
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435 $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_id IN ( $comma_comment_ids )"); |
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436 $wpdb->query("DELETE FROM $wpdb->commentmeta WHERE comment_id IN ( $comma_comment_ids )"); |
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437 clean_comment_cache( $comment_ids ); |
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438 $n = mt_rand(1, 5000); |
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439 if ( apply_filters('akismet_optimize_table', ($n == 11)) ) // lucky number |
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440 $wpdb->query("OPTIMIZE TABLE $wpdb->comments"); |
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441 |
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442 } |
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443 |
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444 function akismet_delete_old_metadata() { |
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445 global $wpdb; |
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446 |
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447 $now_gmt = current_time( 'mysql', 1 ); |
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448 $interval = apply_filters( 'akismet_delete_commentmeta_interval', 15 ); |
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449 |
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450 # enfore a minimum of 1 day |
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451 $interval = absint( $interval ); |
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452 if ( $interval < 1 ) { |
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453 return; |
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454 } |
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455 |
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456 // akismet_as_submitted meta values are large, so expire them |
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457 // after $interval days regardless of the comment status |
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458 while ( TRUE ) { |
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459 $comment_ids = $wpdb->get_col( "SELECT $wpdb->comments.comment_id FROM $wpdb->commentmeta INNER JOIN $wpdb->comments USING(comment_id) WHERE meta_key = 'akismet_as_submitted' AND DATE_SUB('$now_gmt', INTERVAL {$interval} DAY) > comment_date_gmt LIMIT 10000" ); |
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460 |
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461 if ( empty( $comment_ids ) ) { |
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462 return; |
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463 } |
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464 |
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465 foreach ( $comment_ids as $comment_id ) { |
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466 delete_comment_meta( $comment_id, 'akismet_as_submitted' ); |
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467 } |
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468 } |
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469 |
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470 /* |
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471 $n = mt_rand( 1, 5000 ); |
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472 if ( apply_filters( 'akismet_optimize_table', ( $n == 11 ), 'commentmeta' ) ) { // lucky number |
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473 $wpdb->query( "OPTIMIZE TABLE $wpdb->commentmeta" ); |
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474 } |
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475 */ |
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476 } |
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477 |
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478 add_action('akismet_scheduled_delete', 'akismet_delete_old'); |
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479 add_action('akismet_scheduled_delete', 'akismet_delete_old_metadata'); |
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480 |
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481 function akismet_check_db_comment( $id, $recheck_reason = 'recheck_queue' ) { |
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482 global $wpdb, $akismet_api_host, $akismet_api_port; |
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483 |
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484 $id = (int) $id; |
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485 $c = $wpdb->get_row( "SELECT * FROM $wpdb->comments WHERE comment_ID = '$id'", ARRAY_A ); |
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486 if ( !$c ) |
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487 return; |
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488 |
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489 $c['user_ip'] = $c['comment_author_IP']; |
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490 $c['user_agent'] = $c['comment_agent']; |
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491 $c['referrer'] = ''; |
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492 $c['blog'] = get_option('home'); |
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493 $c['blog_lang'] = get_locale(); |
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494 $c['blog_charset'] = get_option('blog_charset'); |
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495 $c['permalink'] = get_permalink($c['comment_post_ID']); |
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496 $id = $c['comment_ID']; |
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497 if ( akismet_test_mode() ) |
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498 $c['is_test'] = 'true'; |
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499 $c['recheck_reason'] = $recheck_reason; |
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500 |
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501 $query_string = ''; |
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502 foreach ( $c as $key => $data ) |
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503 $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; |
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504 |
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505 $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); |
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506 return ( is_array( $response ) && isset( $response[1] ) ) ? $response[1] : false; |
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507 } |
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508 |
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509 function akismet_cron_recheck() { |
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510 global $wpdb; |
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511 |
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512 $status = akismet_verify_key( akismet_get_key() ); |
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513 if ( get_option( 'akismet_alert_code' ) || $status == 'invalid' ) { |
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514 // since there is currently a problem with the key, reschedule a check for 6 hours hence |
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515 wp_schedule_single_event( time() + 21600, 'akismet_schedule_cron_recheck' ); |
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516 return false; |
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517 } |
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518 |
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519 delete_option('akismet_available_servers'); |
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520 |
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521 $comment_errors = $wpdb->get_col( " |
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522 SELECT comment_id |
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523 FROM {$wpdb->prefix}commentmeta |
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524 WHERE meta_key = 'akismet_error' |
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525 LIMIT 100 |
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526 " ); |
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527 |
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528 foreach ( (array) $comment_errors as $comment_id ) { |
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529 // if the comment no longer exists, or is too old, remove the meta entry from the queue to avoid getting stuck |
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530 $comment = get_comment( $comment_id ); |
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531 if ( !$comment || strtotime( $comment->comment_date_gmt ) < strtotime( "-15 days" ) ) { |
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532 delete_comment_meta( $comment_id, 'akismet_error' ); |
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533 continue; |
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534 } |
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535 |
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536 add_comment_meta( $comment_id, 'akismet_rechecking', true ); |
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537 $status = akismet_check_db_comment( $comment_id, 'retry' ); |
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538 |
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539 $msg = ''; |
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540 if ( $status == 'true' ) { |
|
541 $msg = __( 'Akismet caught this comment as spam during an automatic retry.' ); |
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542 } elseif ( $status == 'false' ) { |
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543 $msg = __( 'Akismet cleared this comment during an automatic retry.' ); |
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544 } |
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545 |
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546 // If we got back a legit response then update the comment history |
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547 // other wise just bail now and try again later. No point in |
|
548 // re-trying all the comments once we hit one failure. |
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549 if ( !empty( $msg ) ) { |
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550 delete_comment_meta( $comment_id, 'akismet_error' ); |
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551 akismet_update_comment_history( $comment_id, $msg, 'cron-retry' ); |
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552 update_comment_meta( $comment_id, 'akismet_result', $status ); |
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553 // make sure the comment status is still pending. if it isn't, that means the user has already moved it elsewhere. |
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554 $comment = get_comment( $comment_id ); |
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555 if ( $comment && 'unapproved' == wp_get_comment_status( $comment_id ) ) { |
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556 if ( $status == 'true' ) { |
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557 wp_spam_comment( $comment_id ); |
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558 } elseif ( $status == 'false' ) { |
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559 // comment is good, but it's still in the pending queue. depending on the moderation settings |
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560 // we may need to change it to approved. |
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561 if ( check_comment($comment->comment_author, $comment->comment_author_email, $comment->comment_author_url, $comment->comment_content, $comment->comment_author_IP, $comment->comment_agent, $comment->comment_type) ) |
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562 wp_set_comment_status( $comment_id, 1 ); |
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563 } |
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564 } |
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565 } else { |
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566 delete_comment_meta( $comment_id, 'akismet_rechecking' ); |
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567 wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); |
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568 return; |
|
569 } |
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570 delete_comment_meta( $comment_id, 'akismet_rechecking' ); |
|
571 } |
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572 |
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573 $remaining = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->commentmeta WHERE meta_key = 'akismet_error'" ); |
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574 if ( $remaining && !wp_next_scheduled('akismet_schedule_cron_recheck') ) { |
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575 wp_schedule_single_event( time() + 1200, 'akismet_schedule_cron_recheck' ); |
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576 } |
|
577 } |
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578 add_action( 'akismet_schedule_cron_recheck', 'akismet_cron_recheck' ); |
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579 |
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580 function akismet_add_comment_nonce( $post_id ) { |
|
581 echo '<p style="display: none;">'; |
|
582 wp_nonce_field( 'akismet_comment_nonce_' . $post_id, 'akismet_comment_nonce', FALSE ); |
|
583 echo '</p>'; |
|
584 } |
|
585 |
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586 $akismet_comment_nonce_option = apply_filters( 'akismet_comment_nonce', get_option( 'akismet_comment_nonce' ) ); |
|
587 |
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588 if ( $akismet_comment_nonce_option == 'true' || $akismet_comment_nonce_option == '' ) |
|
589 add_action( 'comment_form', 'akismet_add_comment_nonce' ); |
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590 |
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591 global $wp_version; |
|
592 if ( '3.0.5' == $wp_version ) { |
|
593 remove_filter( 'comment_text', 'wp_kses_data' ); |
|
594 if ( is_admin() ) |
|
595 add_filter( 'comment_text', 'wp_kses_post' ); |
|
596 } |
|
597 |
|
598 function akismet_fix_scheduled_recheck() { |
|
599 $future_check = wp_next_scheduled( 'akismet_schedule_cron_recheck' ); |
|
600 if ( !$future_check ) { |
|
601 return; |
|
602 } |
|
603 |
|
604 if ( get_option( 'akismet_alert_code' ) > 0 ) { |
|
605 return; |
|
606 } |
|
607 |
|
608 $check_range = time() + 1200; |
|
609 if ( $future_check > $check_range ) { |
|
610 wp_clear_scheduled_hook( 'akismet_schedule_cron_recheck' ); |
|
611 wp_schedule_single_event( time() + 300, 'akismet_schedule_cron_recheck' ); |
|
612 } |
|
613 } |