1 <?php 2 add_action( 'admin_menu', 'akismet_admin_menu' ); 3 4 akismet_admin_warnings(); 5 6 function akismet_admin_init() { 7 global $wp_version; 8 9 // all admin functions are disabled in old versions 10 if ( !function_exists('is_multisite') && version_compare( $wp_version, '3.0', '<' ) ) { 11 12 function akismet_version_warning() { 13 echo " 14 <div id='akismet-warning' class='updated fade'><p><strong>".sprintf(__('Akismet %s requires WordPress 3.0 or higher.'), AKISMET_VERSION) ."</strong> ".sprintf(__('Please <a href="%s">upgrade WordPress</a> to a current version, or <a href="%s">downgrade to version 2.4 of the Akismet plugin</a>.'), 'http://codex.wordpress.org/Upgrading_WordPress', 'http://wordpress.org/extend/plugins/akismet/download/'). "</p></div> 15 "; 16 } 17 add_action('admin_notices', 'akismet_version_warning'); 18 19 return; 20 } 21 22 if ( function_exists( 'get_plugin_page_hook' ) ) 23 $hook = get_plugin_page_hook( 'akismet-stats-display', 'index.php' ); 24 else 25 $hook = 'dashboard_page_akismet-stats-display'; 26 add_action('admin_head-'.$hook, 'akismet_stats_script'); 27 add_meta_box('akismet-status', __('Comment History'), 'akismet_comment_status_meta_box', 'comment', 'normal'); 28 } 29 add_action('admin_init', 'akismet_admin_init'); 30 31 add_action( 'admin_enqueue_scripts', 'akismet_load_js_and_css' ); 32 function akismet_load_js_and_css() { 33 global $hook_suffix; 34 35 if ( 36 $hook_suffix == 'index.php' # dashboard 37 || $hook_suffix == 'edit-comments.php' 38 || $hook_suffix == 'comment.php' 39 || $hook_suffix == 'post.php' 40 || $hook_suffix == 'plugins_page_akismet-key-config' 41 ) { 42 wp_register_style( 'akismet.css', AKISMET_PLUGIN_URL . 'akismet.css', array(), '2.5.4.4' ); 43 wp_enqueue_style( 'akismet.css'); 44 45 wp_register_script( 'akismet.js', AKISMET_PLUGIN_URL . 'akismet.js', array('jquery'), '2.5.4.6' ); 46 wp_enqueue_script( 'akismet.js' ); 47 wp_localize_script( 'akismet.js', 'WPAkismet', array( 48 'comment_author_url_nonce' => wp_create_nonce( 'comment_author_url_nonce' ) 49 ) ); 50 } 51 } 52 53 54 function akismet_nonce_field($action = -1) { return wp_nonce_field($action); } 55 $akismet_nonce = 'akismet-update-key'; 56 57 function akismet_plugin_action_links( $links, $file ) { 58 if ( $file == plugin_basename( dirname(__FILE__).'/akismet.php' ) ) { 59 $links[] = '<a href="admin.php?page=akismet-key-config">'.__('Settings').'</a>'; 60 } 61 62 return $links; 63 } 64 65 add_filter( 'plugin_action_links', 'akismet_plugin_action_links', 10, 2 ); 66 67 function akismet_conf() { 68 global $akismet_nonce, $wpcom_api_key; 69 70 if ( isset($_POST['submit']) ) { 71 if ( function_exists('current_user_can') && !current_user_can('manage_options') ) 72 die(__('Cheatin’ uh?')); 73 74 check_admin_referer( $akismet_nonce ); 75 $key = preg_replace( '/[^a-h0-9]/i', '', $_POST['key'] ); 76 $home_url = parse_url( get_bloginfo('url') ); 77 78 if ( empty($key) ) { 79 $key_status = 'empty'; 80 $ms[] = 'new_key_empty'; 81 delete_option('wordpress_api_key'); 82 } elseif ( empty($home_url['host']) ) { 83 $key_status = 'empty'; 84 $ms[] = 'bad_home_url'; 85 } else { 86 $key_status = akismet_verify_key( $key ); 87 } 88 89 if ( $key_status == 'valid' ) { 90 update_option('wordpress_api_key', $key); 91 $ms[] = 'new_key_valid'; 92 } else if ( $key_status == 'invalid' ) { 93 $ms[] = 'new_key_invalid'; 94 } else if ( $key_status == 'failed' ) { 95 $ms[] = 'new_key_failed'; 96 } 97 98 if ( isset( $_POST['akismet_discard_month'] ) ) 99 update_option( 'akismet_discard_month', 'true' ); 100 else 101 update_option( 'akismet_discard_month', 'false' ); 102 103 if ( isset( $_POST['akismet_show_user_comments_approved'] ) ) 104 update_option( 'akismet_show_user_comments_approved', 'true' ); 105 else 106 update_option( 'akismet_show_user_comments_approved', 'false' ); 107 108 } elseif ( isset($_POST['check']) ) { 109 akismet_get_server_connectivity(0); 110 } 111 112 if ( empty( $key_status) || $key_status != 'valid' ) { 113 $key = get_option('wordpress_api_key'); 114 if ( empty( $key ) ) { 115 if ( empty( $key_status ) || $key_status != 'failed' ) { 116 if ( akismet_verify_key( '1234567890ab' ) == 'failed' ) 117 $ms[] = 'no_connection'; 118 else 119 $ms[] = 'key_empty'; 120 } 121 $key_status = 'empty'; 122 } else { 123 $key_status = akismet_verify_key( $key ); 124 } 125 if ( $key_status == 'valid' ) { 126 $ms[] = 'key_valid'; 127 } else if ( $key_status == 'invalid' ) { 128 $ms[] = 'key_invalid'; 129 } else if ( !empty($key) && $key_status == 'failed' ) { 130 $ms[] = 'key_failed'; 131 } 132 } 133 134 $messages = array( 135 'new_key_empty' => array('color' => 'aa0', 'text' => __('Your key has been cleared.')), 136 'new_key_valid' => array('color' => '4AB915', 'text' => __('Your key has been verified. Happy blogging!')), 137 'new_key_invalid' => array('color' => '888', 'text' => __('The key you entered is invalid. Please double-check it.')), 138 'new_key_failed' => array('color' => '888', 'text' => __('The key you entered could not be verified because a connection to akismet.com could not be established. Please check your server configuration.')), 139 'no_connection' => array('color' => '888', 'text' => __('There was a problem connecting to the Akismet server. Please check your server configuration.')), 140 'key_empty' => array('color' => 'aa0', 'text' => sprintf(__('Please enter an API key. (<a href="%s" style="color:#fff">Get your key.</a>)'), 'http://akismet.com/get/?return=true')), 141 'key_valid' => array('color' => '4AB915', 'text' => __('This key is valid.')), 142 'key_invalid' => array('color' => '888', 'text' => __('This key is invalid.')), 143 'key_failed' => array('color' => 'aa0', 'text' => __('The key below was previously validated but a connection to akismet.com can not be established at this time. Please check your server configuration.')), 144 'bad_home_url' => array('color' => '888', 'text' => sprintf( __('Your WordPress home URL %s is invalid. Please fix the <a href="%s">home option</a>.'), esc_html( get_bloginfo('url') ), admin_url('options.php#home') ) ), 145 ); 146 ?> 147 <?php if ( !empty($_POST['submit'] ) ) : ?> 148 <div id="message" class="updated fade"><p><strong><?php _e('Options saved.') ?></strong></p></div> 149 <?php endif; ?> 150 <div class="wrap"> 151 <h2><?php _e('Akismet Configuration'); ?></h2> 152 <?php if (isset($_GET['message']) && $_GET['message'] == 'success') { ?> 153 <div class="updated below-h2" id="message"><p><?php _e( '<strong>Sign up success!</strong> Please check your email for your Akismet API Key and enter it below.' ); ?></p></div> 154 <?php } ?> 155 <div class="narrow"> 156 <form action="" method="post" id="akismet-conf" style="margin: auto; width: 400px; "> 157 <?php if ( !$wpcom_api_key ) { ?> 158 <p><?php printf(__('For many people, <a href="%1$s">Akismet</a> will greatly reduce or even completely eliminate the comment and trackback spam you get on your site. If one does happen to get through, simply mark it as "spam" on the moderation screen and Akismet will learn from the mistakes. If you don\'t have an API key yet, you can get one at <a href="%2$s">Akismet.com</a>.'), 'http://akismet.com/?return=true', 'http://akismet.com/get/?return=true'); ?></p> 159 160 <h3><label for="key"><?php _e('Akismet API Key'); ?></label></h3> 161 <?php foreach ( $ms as $m ) : ?> 162 <p style="padding: .5em; background-color: #<?php echo $messages[$m]['color']; ?>; color: #fff; font-weight: bold;"><?php echo $messages[$m]['text']; ?></p> 163 <?php endforeach; ?> 164 <p><input id="key" name="key" type="text" size="15" maxlength="12" value="<?php echo get_option('wordpress_api_key'); ?>" style="font-family: 'Courier New', Courier, mono; font-size: 1.5em;" /> (<?php _e('<a href="http://akismet.com/get/?return=true">What is this?</a>'); ?>)</p> 165 <?php if ( isset( $invalid_key) && $invalid_key ) { ?> 166 <h3><?php _e('Why might my key be invalid?'); ?></h3> 167 <p><?php _e('This can mean one of two things, either you copied the key wrong or that the plugin is unable to reach the Akismet servers, which is most often caused by an issue with your web host around firewalls or similar.'); ?></p> 168 <?php } ?> 169 <?php } ?> 170 <?php akismet_nonce_field($akismet_nonce) ?> 171 <p><label><input name="akismet_discard_month" id="akismet_discard_month" value="true" type="checkbox" <?php if ( get_option('akismet_discard_month') == 'true' ) echo ' checked="checked" '; ?> /> <?php _e('Auto-delete spam submitted on posts more than a month old.'); ?></label></p> 172 <p><label><input name="akismet_show_user_comments_approved" id="akismet_show_user_comments_approved" value="true" type="checkbox" <?php if ( get_option('akismet_show_user_comments_approved') == 'true' ) echo ' checked="checked" '; ?> /> <?php _e('Show the number of comments you\'ve approved beside each comment author.'); ?></label></p> 173 <p class="submit"><input type="submit" name="submit" value="<?php _e('Update options »'); ?>" /></p> 174 </form> 175 176 <form action="" method="post" id="akismet-connectivity" style="margin: auto; width: 400px; "> 177 178 <h3><?php _e('Server Connectivity'); ?></h3> 179 <?php 180 if ( !function_exists('fsockopen') || !function_exists('gethostbynamel') ) { 181 ?> 182 <p style="padding: .5em; background-color: #888; color: #fff; font-weight:bold;"><?php _e('Network functions are disabled.'); ?></p> 183 <p><?php echo sprintf( __('Your web host or server administrator has disabled PHP\'s <code>fsockopen</code> or <code>gethostbynamel</code> functions. <strong>Akismet cannot work correctly until this is fixed.</strong> Please contact your web host or firewall administrator and give them <a href="%s" target="_blank">this information about Akismet\'s system requirements</a>.'), 'http://blog.akismet.com/akismet-hosting-faq/'); ?></p> 184 <?php 185 } else { 186 $servers = akismet_get_server_connectivity(); 187 $fail_count = count($servers) - count( array_filter($servers) ); 188 if ( is_array($servers) && count($servers) > 0 ) { 189 // some connections work, some fail 190 if ( $fail_count > 0 && $fail_count < count($servers) ) { ?> 191 <p style="padding: .5em; background-color: #aa0; color: #fff; font-weight:bold;"><?php _e('Unable to reach some Akismet servers.'); ?></p> 192 <p><?php echo sprintf( __('A network problem or firewall is blocking some connections from your web server to Akismet.com. Akismet is working but this may cause problems during times of network congestion. Please contact your web host or firewall administrator and give them <a href="%s" target="_blank">this information about Akismet and firewalls</a>.'), 'http://blog.akismet.com/akismet-hosting-faq/'); ?></p> 193 <?php 194 // all connections fail 195 } elseif ( $fail_count > 0 ) { ?> 196 <p style="padding: .5em; background-color: #888; color: #fff; font-weight:bold;"><?php _e('Unable to reach any Akismet servers.'); ?></p> 197 <p><?php echo sprintf( __('A network problem or firewall is blocking all connections from your web server to Akismet.com. <strong>Akismet cannot work correctly until this is fixed.</strong> Please contact your web host or firewall administrator and give them <a href="%s" target="_blank">this information about Akismet and firewalls</a>.'), 'http://blog.akismet.com/akismet-hosting-faq/'); ?></p> 198 <?php 199 // all connections work 200 } else { ?> 201 <p style="padding: .5em; background-color: #4AB915; color: #fff; font-weight:bold;"><?php _e('All Akismet servers are available.'); ?></p> 202 <p><?php _e('Akismet is working correctly. All servers are accessible.'); ?></p> 203 <?php 204 } 205 } else { 206 ?> 207 <p style="padding: .5em; background-color: #888; color: #fff; font-weight:bold;"><?php _e('Unable to find Akismet servers.'); ?></p> 208 <p><?php echo sprintf( __('A DNS problem or firewall is preventing all access from your web server to Akismet.com. <strong>Akismet cannot work correctly until this is fixed.</strong> Please contact your web host or firewall administrator and give them <a href="%s" target="_blank">this information about Akismet and firewalls</a>.'), 'http://blog.akismet.com/akismet-hosting-faq/'); ?></p> 209 <?php 210 } 211 } 212 213 if ( !empty($servers) ) { 214 ?> 215 <table style="width: 100%;"> 216 <thead><th><?php _e('Akismet server'); ?></th><th><?php _e('Network Status'); ?></th></thead> 217 <tbody> 218 <?php 219 asort($servers); 220 foreach ( $servers as $ip => $status ) { 221 $color = ( $status ? '#4AB915' : '#888'); 222 ?> 223 <tr> 224 <td><?php echo htmlspecialchars($ip); ?></td> 225 <td style="padding: 0 .5em; font-weight:bold; color: #fff; background-color: <?php echo $color; ?>"><?php echo ($status ? __('Accessible') : __('Re-trying') ); ?></td> 226 227 <?php 228 } 229 } 230 ?> 231 </tbody> 232 </table> 233 <p><?php if ( get_option('akismet_connectivity_time') ) echo sprintf( __('Last checked %s ago.'), human_time_diff( get_option('akismet_connectivity_time') ) ); ?></p> 234 <p class="submit"><input type="submit" name="check" value="<?php _e('Check network status »'); ?>" /></p> 235 <p><?php printf( __('<a href="%s" target="_blank">Click here</a> to confirm that <a href="%s" target="_blank">Akismet.com is up</a>.'), 'http://status.automattic.com/9931/136079/Akismet-API', 'http://status.automattic.com/9931/136079/Akismet-API' ); ?></p> 236 </form> 237 238 </div> 239 </div> 240 <?php 241 } 242 243 function akismet_stats_script() { 244 ?> 245 <script type="text/javascript"> 246 function resizeIframe() { 247 248 document.getElementById('akismet-stats-frame').style.height = "2500px"; 249 250 }; 251 function resizeIframeInit() { 252 document.getElementById('akismet-stats-frame').onload = resizeIframe; 253 window.onresize = resizeIframe; 254 } 255 addLoadEvent(resizeIframeInit); 256 </script><?php 257 } 258 259 260 function akismet_stats_display() { 261 global $akismet_api_host, $akismet_api_port, $wpcom_api_key; 262 $blog = urlencode( get_bloginfo('url') ); 263 264 $url = 'http://'; 265 if ( is_ssl() ) 266 $url = 'https://'; 267 268 $url .= 'akismet.com/web/1.0/user-stats.php'; 269 $url .= "?blog={$blog}&api_key=" . akismet_get_key(); 270 ?> 271 <div class="wrap"> 272 <iframe src="<?php echo $url; ?>" width="100%" height="100%" frameborder="0" id="akismet-stats-frame"></iframe> 273 </div> 274 <?php 275 } 276 277 function akismet_stats() { 278 if ( !function_exists('did_action') || did_action( 'rightnow_end' ) ) // We already displayed this info in the "Right Now" section 279 return; 280 if ( !$count = get_option('akismet_spam_count') ) 281 return; 282 $path = plugin_basename(__FILE__); 283 echo '<h3>' . _x( 'Spam', 'comments' ) . '</h3>'; 284 global $submenu; 285 if ( isset( $submenu['edit-comments.php'] ) ) 286 $link = 'edit-comments.php'; 287 else 288 $link = 'edit.php'; 289 echo '<p>'.sprintf( _n( '<a href="%1$s">Akismet</a> has protected your site from <a href="%2$s">%3$s spam comments</a>.', '<a href="%1$s">Akismet</a> has protected your site from <a href="%2$s">%3$s spam comments</a>.', $count ), 'http://akismet.com/?return=true', clean_url("$link?page=akismet-admin"), number_format_i18n($count) ).'</p>'; 290 } 291 add_action('activity_box_end', 'akismet_stats'); 292 293 function akismet_admin_warnings() { 294 global $wpcom_api_key, $pagenow; 295 296 if ( 297 $pagenow == 'edit-comments.php' 298 || ( !empty( $_GET['page'] ) && $_GET['page'] == 'akismet-key-config' ) 299 || ( !empty( $_GET['page'] ) && $_GET['page'] == 'akismet-stats-display' ) 300 ) { 301 if ( get_option( 'akismet_alert_code' ) ) { 302 function akismet_alert() { 303 $alert = array( 304 'code' => (int) get_option( 'akismet_alert_code' ), 305 'msg' => get_option( 'akismet_alert_msg' ) 306 ); 307 ?> 308 <div class='error'> 309 <p><strong>Akismet Error Code: <?php echo $alert['code']; ?></strong></p> 310 <p><?php esc_html_e( $alert['msg'] ); ?></p> 311 <p>More information is available at <a href="https://akismet.com/errors/<?php echo $alert['code']; ?>">https://akismet.com/errors/<?php echo $alert['code']; ?></a></p> 312 </div> 313 <?php 314 } 315 316 add_action( 'admin_notices', 'akismet_alert' ); 317 } 318 } 319 320 if ( !get_option('wordpress_api_key') && !$wpcom_api_key && !isset($_POST['submit']) ) { 321 function akismet_warning() { 322 echo " 323 <div id='akismet-warning' class='updated fade'><p><strong>".__('Akismet is almost ready.')."</strong> ".sprintf(__('You must <a href="%1$s">enter your Akismet API key</a> for it to work.'), "admin.php?page=akismet-key-config")."</p></div> 324 "; 325 } 326 add_action('admin_notices', 'akismet_warning'); 327 return; 328 } elseif ( ( empty($_SERVER['SCRIPT_FILENAME']) || basename($_SERVER['SCRIPT_FILENAME']) == 'edit-comments.php' ) && wp_next_scheduled('akismet_schedule_cron_recheck') ) { 329 function akismet_warning() { 330 global $wpdb; 331 akismet_fix_scheduled_recheck(); 332 $waiting = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->commentmeta WHERE meta_key = 'akismet_error'" ) ); 333 $next_check = wp_next_scheduled('akismet_schedule_cron_recheck'); 334 if ( $waiting > 0 && $next_check > time() ) 335 echo " 336 <div id='akismet-warning' class='updated fade'><p><strong>".__('Akismet has detected a problem.')."</strong> ".sprintf(__('Some comments have not yet been checked for spam by Akismet. They have been temporarily held for moderation. Please check your <a href="%s">Akismet configuration</a> and contact your web host if problems persist.'), 'admin.php?page=akismet-key-config')."</p></div> 337 "; 338 } 339 add_action('admin_notices', 'akismet_warning'); 340 return; 341 } 342 } 343 344 // FIXME placeholder 345 346 function akismet_comment_row_action( $a, $comment ) { 347 348 // failsafe for old WP versions 349 if ( !function_exists('add_comment_meta') ) 350 return $a; 351 352 $akismet_result = get_comment_meta( $comment->comment_ID, 'akismet_result', true ); 353 $akismet_error = get_comment_meta( $comment->comment_ID, 'akismet_error', true ); 354 $user_result = get_comment_meta( $comment->comment_ID, 'akismet_user_result', true); 355 $comment_status = wp_get_comment_status( $comment->comment_ID ); 356 $desc = null; 357 if ( $akismet_error ) { 358 $desc = __( 'Awaiting spam check' ); 359 } elseif ( !$user_result || $user_result == $akismet_result ) { 360 // Show the original Akismet result if the user hasn't overridden it, or if their decision was the same 361 if ( $akismet_result == 'true' && $comment_status != 'spam' && $comment_status != 'trash' ) 362 $desc = __( 'Flagged as spam by Akismet' ); 363 elseif ( $akismet_result == 'false' && $comment_status == 'spam' ) 364 $desc = __( 'Cleared by Akismet' ); 365 } else { 366 $who = get_comment_meta( $comment->comment_ID, 'akismet_user', true ); 367 if ( $user_result == 'true' ) 368 $desc = sprintf( __('Flagged as spam by %s'), $who ); 369 else 370 $desc = sprintf( __('Un-spammed by %s'), $who ); 371 } 372 373 // add a History item to the hover links, just after Edit 374 if ( $akismet_result ) { 375 $b = array(); 376 foreach ( $a as $k => $item ) { 377 $b[ $k ] = $item; 378 if ( 379 $k == 'edit' 380 || ( $k == 'unspam' && $GLOBALS['wp_version'] >= 3.4 ) 381 ) { 382 $b['history'] = '<a href="comment.php?action=editcomment&c='.$comment->comment_ID.'#akismet-status" title="'. esc_attr__( 'View comment history' ) . '"> '. __('History') . '</a>'; 383 } 384 } 385 386 $a = $b; 387 } 388 389 if ( $desc ) 390 echo '<span class="akismet-status" commentid="'.$comment->comment_ID.'"><a href="comment.php?action=editcomment&c='.$comment->comment_ID.'#akismet-status" title="' . esc_attr__( 'View comment history' ) . '">'.htmlspecialchars($desc).'</a></span>'; 391 392 if ( apply_filters( 'akismet_show_user_comments_approved', get_option('akismet_show_user_comments_approved') ) == 'true' ) { 393 $comment_count = akismet_get_user_comments_approved( $comment->user_id, $comment->comment_author_email, $comment->comment_author, $comment->comment_author_url ); 394 $comment_count = intval( $comment_count ); 395 echo '<span class="akismet-user-comment-count" commentid="'.$comment->comment_ID.'" style="display:none;"><br><span class="akismet-user-comment-counts">'.sprintf( _n( '%s approved', '%s approved', $comment_count ), number_format_i18n( $comment_count ) ) . '</span></span>'; 396 } 397 398 return $a; 399 } 400 401 add_filter( 'comment_row_actions', 'akismet_comment_row_action', 10, 2 ); 402 403 function akismet_comment_status_meta_box($comment) { 404 $history = akismet_get_comment_history( $comment->comment_ID ); 405 406 if ( $history ) { 407 echo '<div class="akismet-history" style="margin: 13px;">'; 408 foreach ( $history as $row ) { 409 $time = date( 'D d M Y @ h:i:m a', $row['time'] ) . ' GMT'; 410 echo '<div style="margin-bottom: 13px;"><span style="color: #999;" alt="' . $time . '" title="' . $time . '">' . sprintf( __('%s ago'), human_time_diff( $row['time'] ) ) . '</span> - '; 411 echo htmlspecialchars( $row['message'] ) . '</div>'; 412 } 413 414 echo '</div>'; 415 416 } 417 } 418 419 420 // add an extra column header to the comments screen 421 function akismet_comments_columns( $columns ) { 422 $columns[ 'akismet' ] = __( 'Akismet' ); 423 return $columns; 424 } 425 426 #add_filter( 'manage_edit-comments_columns', 'akismet_comments_columns' ); 427 428 // Show stuff in the extra column 429 function akismet_comment_column_row( $column, $comment_id ) { 430 if ( $column != 'akismet' ) 431 return; 432 433 $history = akismet_get_comment_history( $comment_id ); 434 435 if ( $history ) { 436 echo '<dl class="akismet-history">'; 437 foreach ( $history as $row ) { 438 echo '<dt>' . sprintf( __('%s ago'), human_time_diff( $row['time'] ) ) . '</dt>'; 439 echo '<dd>' . htmlspecialchars( $row['message'] ) . '</dd>'; 440 } 441 442 echo '</dl>'; 443 } 444 } 445 446 #add_action( 'manage_comments_custom_column', 'akismet_comment_column_row', 10, 2 ); 447 448 // END FIXME 449 450 // call out URLS in comments 451 function akismet_text_add_link_callback( $m ) { 452 453 // bare link? 454 if ( $m[4] == $m[2] ) 455 return '<a '.$m[1].' href="'.$m[2].'" '.$m[3].' class="comment-link">'.$m[4].'</a>'; 456 else 457 return '<span title="'.$m[2].'" class="comment-link"><a '.$m[1].' href="'.$m[2].'" '.$m[3].' class="comment-link">'.$m[4].'</a></span>'; 458 } 459 460 function akismet_text_add_link_class( $comment_text ) { 461 462 return preg_replace_callback( '#<a ([^>]*)href="([^"]+)"([^>]*)>(.*?)</a>#i', 'akismet_text_add_link_callback', $comment_text ); 463 } 464 465 add_filter('comment_text', 'akismet_text_add_link_class'); 466 467 468 // WP 2.5+ 469 function akismet_rightnow() { 470 global $submenu, $wp_db_version; 471 472 if ( 8645 < $wp_db_version ) // 2.7 473 $link = 'edit-comments.php?comment_status=spam'; 474 elseif ( isset( $submenu['edit-comments.php'] ) ) 475 $link = 'edit-comments.php?page=akismet-admin'; 476 else 477 $link = 'edit.php?page=akismet-admin'; 478 479 if ( $count = get_option('akismet_spam_count') ) { 480 $intro = sprintf( _n( 481 '<a href="%1$s">Akismet</a> has protected your site from %2$s spam comment already. ', 482 '<a href="%1$s">Akismet</a> has protected your site from %2$s spam comments already. ', 483 $count 484 ), 'http://akismet.com/?return=true', number_format_i18n( $count ) ); 485 } else { 486 $intro = sprintf( __('<a href="%1$s">Akismet</a> blocks spam from getting to your blog. '), 'http://akismet.com/?return=true' ); 487 } 488 489 $link = function_exists( 'esc_url' ) ? esc_url( $link ) : clean_url( $link ); 490 if ( $queue_count = akismet_spam_count() ) { 491 $queue_text = sprintf( _n( 492 'There\'s <a href="%2$s">%1$s comment</a> in your spam queue right now.', 493 'There are <a href="%2$s">%1$s comments</a> in your spam queue right now.', 494 $queue_count 495 ), number_format_i18n( $queue_count ), $link ); 496 } else { 497 $queue_text = sprintf( __( "There's nothing in your <a href='%1\$s'>spam queue</a> at the moment." ), $link ); 498 } 499 500 $text = $intro . '<br />' . $queue_text; 501 echo "<p class='akismet-right-now'>$text</p>\n"; 502 } 503 504 add_action('rightnow_end', 'akismet_rightnow'); 505 506 507 // For WP >= 2.5 508 function akismet_check_for_spam_button($comment_status) { 509 if ( 'approved' == $comment_status ) 510 return; 511 if ( function_exists('plugins_url') ) 512 $link = 'admin.php?action=akismet_recheck_queue'; 513 else 514 $link = 'edit-comments.php?page=akismet-admin&recheckqueue=true&noheader=true'; 515 echo "</div><div class='alignleft'><a class='button-secondary checkforspam' href='$link'>" . __('Check for Spam') . "</a>"; 516 } 517 add_action('manage_comments_nav', 'akismet_check_for_spam_button'); 518 519 function akismet_submit_nonspam_comment ( $comment_id ) { 520 global $wpdb, $akismet_api_host, $akismet_api_port, $current_user, $current_site; 521 $comment_id = (int) $comment_id; 522 523 $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_id'"); 524 if ( !$comment ) // it was deleted 525 return; 526 527 // use the original version stored in comment_meta if available 528 $as_submitted = get_comment_meta( $comment_id, 'akismet_as_submitted', true); 529 if ( $as_submitted && is_array($as_submitted) && isset($as_submitted['comment_content']) ) { 530 $comment = (object) array_merge( (array)$comment, $as_submitted ); 531 } 532 533 $comment->blog = get_bloginfo('url'); 534 $comment->blog_lang = get_locale(); 535 $comment->blog_charset = get_option('blog_charset'); 536 $comment->permalink = get_permalink($comment->comment_post_ID); 537 $comment->reporter_ip = $_SERVER['REMOTE_ADDR']; 538 if ( is_object($current_user) ) { 539 $comment->reporter = $current_user->user_login; 540 } 541 if ( is_object($current_site) ) { 542 $comment->site_domain = $current_site->domain; 543 } 544 545 $comment->user_role = ''; 546 if ( isset( $comment->user_ID ) ) 547 $comment->user_role = akismet_get_user_roles($comment->user_ID); 548 549 if ( akismet_test_mode() ) 550 $comment->is_test = 'true'; 551 552 $post = get_post( $comment->comment_post_ID ); 553 $comment->comment_post_modified_gmt = $post->post_modified_gmt; 554 555 $query_string = ''; 556 foreach ( $comment as $key => $data ) 557 $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; 558 559 $response = akismet_http_post($query_string, $akismet_api_host, "/1.1/submit-ham", $akismet_api_port); 560 if ( $comment->reporter ) { 561 akismet_update_comment_history( $comment_id, sprintf( __('%s reported this comment as not spam'), $comment->reporter ), 'report-ham' ); 562 update_comment_meta( $comment_id, 'akismet_user_result', 'false' ); 563 update_comment_meta( $comment_id, 'akismet_user', $comment->reporter ); 564 } 565 566 do_action('akismet_submit_nonspam_comment', $comment_id, $response[1]); 567 } 568 569 function akismet_submit_spam_comment ( $comment_id ) { 570 global $wpdb, $akismet_api_host, $akismet_api_port, $current_user, $current_site; 571 $comment_id = (int) $comment_id; 572 573 $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_id'"); 574 if ( !$comment ) // it was deleted 575 return; 576 if ( 'spam' != $comment->comment_approved ) 577 return; 578 579 // use the original version stored in comment_meta if available 580 $as_submitted = get_comment_meta( $comment_id, 'akismet_as_submitted', true); 581 if ( $as_submitted && is_array($as_submitted) && isset($as_submitted['comment_content']) ) { 582 $comment = (object) array_merge( (array)$comment, $as_submitted ); 583 } 584 585 $comment->blog = get_bloginfo('url'); 586 $comment->blog_lang = get_locale(); 587 $comment->blog_charset = get_option('blog_charset'); 588 $comment->permalink = get_permalink($comment->comment_post_ID); 589 $comment->reporter_ip = $_SERVER['REMOTE_ADDR']; 590 if ( is_object($current_user) ) { 591 $comment->reporter = $current_user->user_login; 592 } 593 if ( is_object($current_site) ) { 594 $comment->site_domain = $current_site->domain; 595 } 596 597 $comment->user_role = ''; 598 if ( isset( $comment->user_ID ) ) 599 $comment->user_role = akismet_get_user_roles($comment->user_ID); 600 601 if ( akismet_test_mode() ) 602 $comment->is_test = 'true'; 603 604 $post = get_post( $comment->comment_post_ID ); 605 $comment->comment_post_modified_gmt = $post->post_modified_gmt; 606 607 $query_string = ''; 608 foreach ( $comment as $key => $data ) 609 $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; 610 611 $response = akismet_http_post($query_string, $akismet_api_host, "/1.1/submit-spam", $akismet_api_port); 612 if ( $comment->reporter ) { 613 akismet_update_comment_history( $comment_id, sprintf( __('%s reported this comment as spam'), $comment->reporter ), 'report-spam' ); 614 update_comment_meta( $comment_id, 'akismet_user_result', 'true' ); 615 update_comment_meta( $comment_id, 'akismet_user', $comment->reporter ); 616 } 617 do_action('akismet_submit_spam_comment', $comment_id, $response[1]); 618 } 619 620 // For WP 2.7+ 621 function akismet_transition_comment_status( $new_status, $old_status, $comment ) { 622 if ( $new_status == $old_status ) 623 return; 624 625 # we don't need to record a history item for deleted comments 626 if ( $new_status == 'delete' ) 627 return; 628 629 if ( !is_admin() ) 630 return; 631 632 if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) && !current_user_can( 'moderate_comments' ) ) 633 return; 634 635 if ( defined('WP_IMPORTING') && WP_IMPORTING == true ) 636 return; 637 638 // if this is present, it means the status has been changed by a re-check, not an explicit user action 639 if ( get_comment_meta( $comment->comment_ID, 'akismet_rechecking' ) ) 640 return; 641 642 global $current_user; 643 $reporter = ''; 644 if ( is_object( $current_user ) ) 645 $reporter = $current_user->user_login; 646 647 // Assumption alert: 648 // We want to submit comments to Akismet only when a moderator explicitly spams or approves it - not if the status 649 // is changed automatically by another plugin. Unfortunately WordPress doesn't provide an unambiguous way to 650 // determine why the transition_comment_status action was triggered. And there are several different ways by which 651 // to spam and unspam comments: bulk actions, ajax, links in moderation emails, the dashboard, and perhaps others. 652 // We'll assume that this is an explicit user action if POST or GET has an 'action' key. 653 if ( isset($_POST['action']) || isset($_GET['action']) ) { 654 if ( $new_status == 'spam' && ( $old_status == 'approved' || $old_status == 'unapproved' || !$old_status ) ) { 655 return akismet_submit_spam_comment( $comment->comment_ID ); 656 } elseif ( $old_status == 'spam' && ( $new_status == 'approved' || $new_status == 'unapproved' ) ) { 657 return akismet_submit_nonspam_comment( $comment->comment_ID ); 658 } 659 } 660 661 akismet_update_comment_history( $comment->comment_ID, sprintf( __('%s changed the comment status to %s'), $reporter, $new_status ), 'status-' . $new_status ); 662 } 663 664 add_action( 'transition_comment_status', 'akismet_transition_comment_status', 10, 3 ); 665 666 // Total spam in queue 667 // get_option( 'akismet_spam_count' ) is the total caught ever 668 function akismet_spam_count( $type = false ) { 669 global $wpdb; 670 671 if ( !$type ) { // total 672 $count = wp_cache_get( 'akismet_spam_count', 'widget' ); 673 if ( false === $count ) { 674 if ( function_exists('wp_count_comments') ) { 675 $count = wp_count_comments(); 676 $count = $count->spam; 677 } else { 678 $count = (int) $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_approved = 'spam'"); 679 } 680 wp_cache_set( 'akismet_spam_count', $count, 'widget', 3600 ); 681 } 682 return $count; 683 } elseif ( 'comments' == $type || 'comment' == $type ) { // comments 684 $type = ''; 685 } else { // pingback, trackback, ... 686 $type = $wpdb->escape( $type ); 687 } 688 689 return (int) $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_approved = 'spam' AND comment_type='$type'"); 690 } 691 692 693 function akismet_recheck_queue() { 694 global $wpdb, $akismet_api_host, $akismet_api_port; 695 696 akismet_fix_scheduled_recheck(); 697 698 if ( ! ( isset( $_GET['recheckqueue'] ) || ( isset( $_REQUEST['action'] ) && 'akismet_recheck_queue' == $_REQUEST['action'] ) ) ) 699 return; 700 701 $moderation = $wpdb->get_results( "SELECT * FROM $wpdb->comments WHERE comment_approved = '0'", ARRAY_A ); 702 foreach ( (array) $moderation as $c ) { 703 $c['user_ip'] = $c['comment_author_IP']; 704 $c['user_agent'] = $c['comment_agent']; 705 $c['referrer'] = ''; 706 $c['blog'] = get_bloginfo('url'); 707 $c['blog_lang'] = get_locale(); 708 $c['blog_charset'] = get_option('blog_charset'); 709 $c['permalink'] = get_permalink($c['comment_post_ID']); 710 711 $c['user_role'] = ''; 712 if ( isset( $c['user_ID'] ) ) 713 $c['user_role'] = akismet_get_user_roles($c['user_ID']); 714 715 if ( akismet_test_mode() ) 716 $c['is_test'] = 'true'; 717 718 $id = (int) $c['comment_ID']; 719 720 $query_string = ''; 721 foreach ( $c as $key => $data ) 722 $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&'; 723 724 add_comment_meta( $c['comment_ID'], 'akismet_rechecking', true ); 725 $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port); 726 if ( 'true' == $response[1] ) { 727 wp_set_comment_status($c['comment_ID'], 'spam'); 728 update_comment_meta( $c['comment_ID'], 'akismet_result', 'true' ); 729 delete_comment_meta( $c['comment_ID'], 'akismet_error' ); 730 akismet_update_comment_history( $c['comment_ID'], __('Akismet re-checked and caught this comment as spam'), 'check-spam' ); 731 732 } elseif ( 'false' == $response[1] ) { 733 update_comment_meta( $c['comment_ID'], 'akismet_result', 'false' ); 734 delete_comment_meta( $c['comment_ID'], 'akismet_error' ); 735 akismet_update_comment_history( $c['comment_ID'], __('Akismet re-checked and cleared this comment'), 'check-ham' ); 736 // abnormal result: error 737 } else { 738 update_comment_meta( $c['comment_ID'], 'akismet_result', 'error' ); 739 akismet_update_comment_history( $c['comment_ID'], sprintf( __('Akismet was unable to re-check this comment (response: %s)'), substr($response[1], 0, 50)), 'check-error' ); 740 } 741 742 delete_comment_meta( $c['comment_ID'], 'akismet_rechecking' ); 743 } 744 wp_safe_redirect( $_SERVER['HTTP_REFERER'] ); 745 exit; 746 } 747 748 add_action('admin_action_akismet_recheck_queue', 'akismet_recheck_queue'); 749 750 // Adds an 'x' link next to author URLs, clicking will remove the author URL and show an undo link 751 function akismet_remove_comment_author_url() { 752 if ( !empty($_POST['id'] ) && check_admin_referer( 'comment_author_url_nonce' ) ) { 753 global $wpdb; 754 $comment = get_comment( intval($_POST['id']), ARRAY_A ); 755 if (current_user_can('edit_comment', $comment['comment_ID'])) { 756 $comment['comment_author_url'] = ''; 757 do_action( 'comment_remove_author_url' ); 758 print(wp_update_comment( $comment )); 759 die(); 760 } 761 } 762 } 763 764 add_action('wp_ajax_comment_author_deurl', 'akismet_remove_comment_author_url'); 765 766 function akismet_add_comment_author_url() { 767 if ( !empty( $_POST['id'] ) && !empty( $_POST['url'] ) && check_admin_referer( 'comment_author_url_nonce' ) ) { 768 global $wpdb; 769 $comment = get_comment( intval($_POST['id']), ARRAY_A ); 770 if (current_user_can('edit_comment', $comment['comment_ID'])) { 771 $comment['comment_author_url'] = esc_url($_POST['url']); 772 do_action( 'comment_add_author_url' ); 773 print(wp_update_comment( $comment )); 774 die(); 775 } 776 } 777 } 778 779 add_action('wp_ajax_comment_author_reurl', 'akismet_add_comment_author_url'); 780 781 // Check connectivity between the WordPress blog and Akismet's servers. 782 // Returns an associative array of server IP addresses, where the key is the IP address, and value is true (available) or false (unable to connect). 783 function akismet_check_server_connectivity() { 784 global $akismet_api_host, $akismet_api_port, $wpcom_api_key; 785 786 $test_host = 'rest.akismet.com'; 787 788 // Some web hosts may disable one or both functions 789 if ( !function_exists('fsockopen') || !function_exists('gethostbynamel') ) 790 return array(); 791 792 $ips = gethostbynamel($test_host); 793 if ( !$ips || !is_array($ips) || !count($ips) ) 794 return array(); 795 796 $servers = array(); 797 foreach ( $ips as $ip ) { 798 $response = akismet_verify_key( akismet_get_key(), $ip ); 799 // even if the key is invalid, at least we know we have connectivity 800 if ( $response == 'valid' || $response == 'invalid' ) 801 $servers[$ip] = true; 802 else 803 $servers[$ip] = false; 804 } 805 806 return $servers; 807 } 808 809 // Check the server connectivity and store the results in an option. 810 // Cached results will be used if not older than the specified timeout in seconds; use $cache_timeout = 0 to force an update. 811 // Returns the same associative array as akismet_check_server_connectivity() 812 function akismet_get_server_connectivity( $cache_timeout = 86400 ) { 813 $servers = get_option('akismet_available_servers'); 814 if ( (time() - get_option('akismet_connectivity_time') < $cache_timeout) && $servers !== false ) 815 return $servers; 816 817 // There's a race condition here but the effect is harmless. 818 $servers = akismet_check_server_connectivity(); 819 update_option('akismet_available_servers', $servers); 820 update_option('akismet_connectivity_time', time()); 821 return $servers; 822 } 823 824 // Returns true if server connectivity was OK at the last check, false if there was a problem that needs to be fixed. 825 function akismet_server_connectivity_ok() { 826 // skip the check on WPMU because the status page is hidden 827 global $wpcom_api_key; 828 if ( $wpcom_api_key ) 829 return true; 830 $servers = akismet_get_server_connectivity(); 831 return !( empty($servers) || !count($servers) || count( array_filter($servers) ) < count($servers) ); 832 } 833 834 function akismet_admin_menu() { 835 if ( class_exists( 'Jetpack' ) ) { 836 add_action( 'jetpack_admin_menu', 'akismet_load_menu' ); 837 } else { 838 akismet_load_menu(); 839 } 840 } 841 842 function akismet_load_menu() { 843 if ( class_exists( 'Jetpack' ) ) { 844 add_submenu_page( 'jetpack', __( 'Akismet Configuration' ), __( 'Akismet Configuration' ), 'manage_options', 'akismet-key-config', 'akismet_conf' ); 845 add_submenu_page( 'jetpack', __( 'Akismet Stats' ), __( 'Akismet Stats' ), 'manage_options', 'akismet-stats-display', 'akismet_stats_display' ); 846 } else { 847 add_submenu_page('plugins.php', __('Akismet Configuration'), __('Akismet Configuration'), 'manage_options', 'akismet-key-config', 'akismet_conf'); 848 add_submenu_page('index.php', __('Akismet Stats'), __('Akismet Stats'), 'manage_options', 'akismet-stats-display', 'akismet_stats_display'); 849 } 850 }
title
Description
Body
title
Description
Body
title
Description
Body
title
Body
title