| 1 |
<?php |
| 2 |
// Exit if accessed directly |
| 3 |
if (!defined('ABSPATH')) exit; |
| 4 |
|
| 5 |
class wpForoModeration |
| 6 |
{ |
| 7 |
public $post_statuses; |
| 8 |
|
| 9 |
public function __construct(){ |
| 10 |
$this->post_statuses = apply_filters('wpforo_post_statuses', array('approved', 'unapproved')); |
| 11 |
} |
| 12 |
|
| 13 |
public function init(){ |
| 14 |
if( !WPF()->perm->usergroup_can( 'aup' ) ){ |
| 15 |
add_filter('wpforo_add_topic_data_filter', array(&$this, 'auto_moderate')); |
| 16 |
add_filter('wpforo_add_post_data_filter', array(&$this, 'auto_moderate')); |
| 17 |
} |
| 18 |
else{ |
| 19 |
if( !WPF()->perm->can_link() ){ |
| 20 |
add_filter('wpforo_add_topic_data_filter', array(&$this, 'remove_links'), 7); |
| 21 |
add_filter('wpforo_edit_topic_data_filter', array(&$this, 'remove_links'), 7); |
| 22 |
add_filter('wpforo_add_post_data_filter', array(&$this, 'remove_links'), 7); |
| 23 |
add_filter('wpforo_edit_post_data_filter', array(&$this, 'remove_links'), 7); |
| 24 |
} |
| 25 |
if( WPF()->member->current_user_is_new() ){ |
| 26 |
if (class_exists('Akismet')) { |
| 27 |
add_filter('wpforo_add_topic_data_filter', array(&$this, 'akismet_topic'), 8); |
| 28 |
add_filter('wpforo_edit_topic_data_filter', array(&$this, 'akismet_topic'), 8); |
| 29 |
add_filter('wpforo_add_post_data_filter', array(&$this, 'akismet_post'), 8); |
| 30 |
add_filter('wpforo_edit_post_data_filter', array(&$this, 'akismet_post'), 8); |
| 31 |
} |
| 32 |
if ( WPF()->tools_antispam['spam_filter'] ) { |
| 33 |
add_filter('wpforo_add_topic_data_filter', array(&$this, 'spam_topic'), 9); |
| 34 |
add_filter('wpforo_edit_topic_data_filter', array(&$this, 'spam_topic'), 9); |
| 35 |
add_filter('wpforo_add_topic_data_filter', array(&$this, 'spam_post'), 9); |
| 36 |
add_filter('wpforo_edit_topic_data_filter', array(&$this, 'spam_post'), 9); |
| 37 |
add_filter('wpforo_add_post_data_filter', array(&$this, 'spam_post'), 9); |
| 38 |
add_filter('wpforo_edit_post_data_filter', array(&$this, 'spam_post'), 9); |
| 39 |
} |
| 40 |
} |
| 41 |
if ( WPF()->tools_antispam['spam_filter'] ) { |
| 42 |
add_filter('wpforo_add_topic_data_filter', array(&$this, 'auto_moderate'), 10); |
| 43 |
add_filter('wpforo_add_post_data_filter', array(&$this, 'auto_moderate'), 10); |
| 44 |
} |
| 45 |
} |
| 46 |
} |
| 47 |
|
| 48 |
public function get_post_status_dname($status) |
| 49 |
{ |
| 50 |
$status = intval($status); |
| 51 |
return (isset($this->post_statuses[$status]) ? $this->post_statuses[$status] : $status); |
| 52 |
} |
| 53 |
|
| 54 |
public function get_moderations($args, &$items_count = 0) |
| 55 |
{ |
| 56 |
if (isset($_GET['filter_by_userid']) && wpforo_bigintval($_GET['filter_by_userid'])) $args['userid'] = wpforo_bigintval($_GET['filter_by_userid']); |
| 57 |
$filter_by_status = intval((isset($_GET['filter_by_status']) ? $_GET['filter_by_status'] : 1)); |
| 58 |
$args['status'] = $filter_by_status; |
| 59 |
if( !isset($_GET['order']) ) $args['orderby'] = '`created` DESC, `postid` DESC'; |
| 60 |
$posts = WPF()->post->get_posts($args, $items_count); |
| 61 |
return $posts; |
| 62 |
} |
| 63 |
|
| 64 |
public function search($needle, $fields = array()) |
| 65 |
{ |
| 66 |
$posts = WPF()->post->search($needle); |
| 67 |
$pids = array(); |
| 68 |
foreach ($posts as $post) $pids[] = $post['postid']; |
| 69 |
return $pids; |
| 70 |
} |
| 71 |
|
| 72 |
public function post_approve($postid) |
| 73 |
{ |
| 74 |
return WPF()->post->status($postid, 0); |
| 75 |
} |
| 76 |
|
| 77 |
public function post_unapprove($postid) |
| 78 |
{ |
| 79 |
return WPF()->post->status($postid, 1); |
| 80 |
} |
| 81 |
|
| 82 |
public function get_view_url($arg) |
| 83 |
{ |
| 84 |
return WPF()->post->get_post_url($arg); |
| 85 |
} |
| 86 |
|
| 87 |
public function akismet_topic($item) |
| 88 |
{ |
| 89 |
$post = array(); |
| 90 |
$post['user_ip'] = (isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : null); |
| 91 |
$post['user_agent'] = (isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : null); |
| 92 |
$post['referrer'] = (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : null); |
| 93 |
$post['blog'] = get_option('home'); |
| 94 |
$post['blog_lang'] = get_locale(); |
| 95 |
$post['blog_charset'] = get_option('blog_charset'); |
| 96 |
$post['comment_type'] = 'forum-post'; |
| 97 |
|
| 98 |
if (empty($item['forumid'])) { |
| 99 |
$topic = WPF()->topic->get_topic($item['topicid']); |
| 100 |
$item['forumid'] = $topic['forumid']; |
| 101 |
} |
| 102 |
|
| 103 |
$post['comment_author'] = WPF()->current_user['user_nicename']; |
| 104 |
$post['comment_author_email'] = WPF()->current_user['user_email']; |
| 105 |
$post['comment_author_url'] = WPF()->member->get_profile_url(WPF()->current_userid); |
| 106 |
$post['comment_post_modified_gmt'] = current_time('mysql', 1); |
| 107 |
$post['comment_content'] = $item['title'] . " \r\n " . $item['body']; |
| 108 |
$post['permalink'] = WPF()->forum->get_forum_url($item['forumid']); |
| 109 |
|
| 110 |
$response = Akismet::http_post(Akismet::build_query($post), 'comment-check'); |
| 111 |
if ($response[1] == 'true') { |
| 112 |
$this->ban_for_spam( WPF()->current_userid ); |
| 113 |
$item['status'] = 1; |
| 114 |
} |
| 115 |
|
| 116 |
return $item; |
| 117 |
} |
| 118 |
|
| 119 |
public function akismet_post($item) |
| 120 |
{ |
| 121 |
$post = array(); |
| 122 |
$post['user_ip'] = (isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : null); |
| 123 |
$post['user_agent'] = (isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : null); |
| 124 |
$post['referrer'] = (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : null); |
| 125 |
$post['blog'] = get_option('home'); |
| 126 |
$post['blog_lang'] = get_locale(); |
| 127 |
$post['blog_charset'] = get_option('blog_charset'); |
| 128 |
$post['comment_type'] = 'forum-post'; |
| 129 |
|
| 130 |
$topic = WPF()->topic->get_topic($item['topicid']); |
| 131 |
|
| 132 |
$post['comment_author'] = WPF()->current_user['user_nicename']; |
| 133 |
$post['comment_author_email'] = WPF()->current_user['user_email']; |
| 134 |
$post['comment_author_url'] = WPF()->member->get_profile_url(WPF()->current_userid); |
| 135 |
$post['comment_post_modified_gmt'] = $topic['modified']; |
| 136 |
$post['comment_content'] = $item['body']; |
| 137 |
$post['permalink'] = WPF()->topic->get_topic_url($item['topicid']); |
| 138 |
|
| 139 |
$response = Akismet::http_post(Akismet::build_query($post), 'comment-check'); |
| 140 |
if ($response[1] == 'true') { |
| 141 |
$this->ban_for_spam( WPF()->current_userid ); |
| 142 |
$item['status'] = 1; |
| 143 |
} |
| 144 |
|
| 145 |
return $item; |
| 146 |
} |
| 147 |
|
| 148 |
public function spam_attachment(){ |
| 149 |
$upload_dir = wp_upload_dir(); |
| 150 |
$default_attachments_dir = $upload_dir['basedir'] . '/wpforo/default_attachments/'; |
| 151 |
if(is_dir($default_attachments_dir)){ |
| 152 |
if ($handle = opendir($default_attachments_dir)){ |
| 153 |
while (false !== ($filename = readdir($handle))){ |
| 154 |
$file = $default_attachments_dir . '/' . $filename; |
| 155 |
if( $filename == '.' || $filename == '..') continue; |
| 156 |
$level = $this->spam_file($filename); |
| 157 |
if( $level > 2 ){ |
| 158 |
$link = '<a href="' . admin_url('admin.php?page=wpforo-tools&tab=antispam#spam-files') . '"><strong>>></strong></a>'; |
| 159 |
$phrase = '<strong>SPAM! - </strong>' . sprintf( __('Probably spam file attachments have been detected by wpForo Spam Control. Please moderate suspected files in Forums > Tools > Antispam Tab.', 'wpforo'), $link); |
| 160 |
WPF()->notice->add( $phrase, 'error' ); |
| 161 |
return true; |
| 162 |
} |
| 163 |
} |
| 164 |
} |
| 165 |
} |
| 166 |
return false; |
| 167 |
} |
| 168 |
|
| 169 |
public function spam_file( $item, $type = 'file' ){ |
| 170 |
if( !isset($item) || !$item ) return false; |
| 171 |
$level = 0; |
| 172 |
$item = strtolower($item); |
| 173 |
$spam_file_phrases = array( |
| 174 |
0 => array( 'watch', 'movie'), |
| 175 |
1 => array( 'download', 'free') |
| 176 |
); |
| 177 |
if($type == 'file'){ |
| 178 |
$ext_whitelist = explode('|', WPF()->tools_antispam['exclude_file_ext'] ); |
| 179 |
$ext_whitelist = array_map('trim', $ext_whitelist); |
| 180 |
$ext = strtolower(pathinfo($item, PATHINFO_EXTENSION)); |
| 181 |
$ext_risk = array('pdf', 'doc', 'docx', 'txt', 'htm', 'html', 'rtf', 'xml', 'xls', 'xlsx', 'php', 'cgi'); |
| 182 |
$ext_risk = wpforo_clear_array($ext_risk, $ext_whitelist); |
| 183 |
$ext_high_risk = array('php', 'cgi', 'exe'); |
| 184 |
$ext_high_risk = wpforo_clear_array($ext_high_risk, $ext_whitelist); |
| 185 |
if( in_array($ext, $ext_risk) ){ |
| 186 |
$has_post = WPF()->db->get_var( "SELECT `postid` FROM `".WPF()->tables->posts."` WHERE `body` LIKE '%" . esc_sql( $item ) . "%' LIMIT 1" ); |
| 187 |
foreach($spam_file_phrases as $phrases){ |
| 188 |
foreach($phrases as $phrase){ |
| 189 |
if( strpos($item, $phrase) !== FALSE ){ |
| 190 |
if( !$has_post ){ |
| 191 |
$level = 4; break 2; |
| 192 |
} |
| 193 |
else{ |
| 194 |
$level = 2; break 2; |
| 195 |
} |
| 196 |
} |
| 197 |
} |
| 198 |
} |
| 199 |
if( !$level ){ |
| 200 |
if( !$has_post ){ |
| 201 |
$level = 3; |
| 202 |
} |
| 203 |
else{ |
| 204 |
if( in_array($ext, $ext_high_risk) ){ |
| 205 |
$level = 5; |
| 206 |
} |
| 207 |
else{ |
| 208 |
$level = 1; |
| 209 |
} |
| 210 |
} |
| 211 |
} |
| 212 |
} |
| 213 |
return $level; |
| 214 |
} |
| 215 |
elseif($type == 'file-open'){ |
| 216 |
$ext = strtolower(pathinfo($item, PATHINFO_EXTENSION)); |
| 217 |
$allow_to_open = array('pdf', 'doc', 'docx', 'txt', 'rtf', 'xls', 'xlsx'); |
| 218 |
if( in_array($ext, $allow_to_open) ){ |
| 219 |
return true; |
| 220 |
} |
| 221 |
else{ |
| 222 |
return false; |
| 223 |
} |
| 224 |
} |
| 225 |
return 0; |
| 226 |
} |
| 227 |
|
| 228 |
public function spam_topic($topic) |
| 229 |
{ |
| 230 |
if( empty($topic) ) return $topic; |
| 231 |
if( isset($topic['title']) ){ |
| 232 |
$item = $topic['title']; |
| 233 |
} |
| 234 |
else{ |
| 235 |
return $topic; |
| 236 |
} |
| 237 |
$len = wpforo_strlen($item); |
| 238 |
if( $len < 10 ) return $topic; |
| 239 |
$item = strip_tags($item); |
| 240 |
$is_similar = false; |
| 241 |
$topic_args = array( 'userid' => $topic['userid'] ); |
| 242 |
$topics = WPF()->topic->get_topics($topic_args); |
| 243 |
$sc_level = ( isset(WPF()->tools_antispam['spam_filter_level_topic'])) ? intval(WPF()->tools_antispam['spam_filter_level_topic']) : 100; |
| 244 |
if( $sc_level > 100 ) $sc_level = 60; $sc_level = (101 - $sc_level); |
| 245 |
if( !empty($topics) ){ |
| 246 |
$count = count($topics); |
| 247 |
$keys[0] = array_rand($topics); if( $count > 1) $keys[1] = array_rand($topics); |
| 248 |
$check_1 = (isset($keys[0])) ? strip_tags($topics[$keys[0]]['title']) : ''; |
| 249 |
$check_2 = (isset($keys[1])) ? strip_tags($topics[$keys[1]]['title']) : ''; |
| 250 |
if($check_1){ similar_text($item, $check_1, $percent); if( $percent > $sc_level ) $is_similar = true; } |
| 251 |
if($check_2 && !$is_similar){ similar_text($item, $check_2, $percent); if( $percent > $sc_level ) $is_similar = true; } |
| 252 |
if( $is_similar ){ |
| 253 |
$this->ban_for_spam( WPF()->current_userid ); |
| 254 |
$topic['status'] = 1; |
| 255 |
} |
| 256 |
} |
| 257 |
return $topic; |
| 258 |
} |
| 259 |
|
| 260 |
public function spam_post($post) |
| 261 |
{ |
| 262 |
if( empty($post) ) return $post; |
| 263 |
if( isset($post['body']) ){ |
| 264 |
$item = $post['body']; |
| 265 |
} |
| 266 |
else{ |
| 267 |
return $post; |
| 268 |
} |
| 269 |
|
| 270 |
// $len = wpforo_strlen($item); |
| 271 |
$item = strip_tags($item); |
| 272 |
$is_similar = false; |
| 273 |
$post_args = array( 'userid' => $post['userid'] ); |
| 274 |
$posts = WPF()->post->get_posts($post_args); |
| 275 |
$sc_level = ( isset(WPF()->tools_antispam['spam_filter_level_post'])) ? intval(WPF()->tools_antispam['spam_filter_level_post']) : 100; |
| 276 |
if( $sc_level > 100 ) $sc_level = 70; $sc_level = (101 - $sc_level); |
| 277 |
if( !empty($posts) ){ |
| 278 |
$count = count($posts); |
| 279 |
$keys[0] = array_rand($posts); if( $count > 1) $keys[1] = array_rand($posts); |
| 280 |
$check_1 = (isset($keys[0])) ? strip_tags($posts[$keys[0]]['body']) : ''; |
| 281 |
$check_2 = (isset($keys[1])) ? strip_tags($posts[$keys[1]]['body']) : ''; |
| 282 |
if($check_1){ similar_text($item, $check_1, $percent); if( isset($percent) && $percent > $sc_level ) $is_similar = true; } |
| 283 |
if($check_2 && !$is_similar){ similar_text($item, $check_2, $percent); if( isset($percent) && $percent > $sc_level ) $is_similar = true; } |
| 284 |
if( $is_similar ){ |
| 285 |
$this->ban_for_spam( WPF()->current_userid ); |
| 286 |
$post['status'] = 1; |
| 287 |
} |
| 288 |
} |
| 289 |
return $post; |
| 290 |
} |
| 291 |
|
| 292 |
public function auto_moderate($item){ |
| 293 |
|
| 294 |
if( empty($item) ) return $item; |
| 295 |
if( WPF()->perm->usergroup_can( 'em' ) ){ |
| 296 |
$item['status'] = 0; |
| 297 |
return $item; |
| 298 |
} |
| 299 |
if( !WPF()->perm->usergroup_can( 'aup' ) ){ |
| 300 |
$item['status'] = 1; |
| 301 |
return $item; |
| 302 |
} |
| 303 |
|
| 304 |
if( WPF()->member->current_user_is_new() ){ |
| 305 |
if( ( isset($item['status']) && $item['status'] == 1 ) || $this->has_unapproved( WPF()->current_userid ) ){ |
| 306 |
$this->set_all_unapproved( WPF()->current_userid ); |
| 307 |
$item['status'] = 1; |
| 308 |
} |
| 309 |
if( isset($item['body']) && isset($item['title']) && ( $this->has_link($item['body']) || $this->has_link($item['title']) ) ){ |
| 310 |
$item['status'] = 1; |
| 311 |
} |
| 312 |
} |
| 313 |
|
| 314 |
return $item; |
| 315 |
} |
| 316 |
|
| 317 |
public function has_approved($user){ |
| 318 |
if( !$user ) return false; |
| 319 |
if( isset($user['ID']) ){ |
| 320 |
$userid = intval($user['ID']); |
| 321 |
} |
| 322 |
else{ |
| 323 |
$userid = intval($user); |
| 324 |
} |
| 325 |
$has_approved_post = WPF()->db->get_var( "SELECT `postid` FROM `".WPF()->tables->posts."` WHERE `userid` = '" . intval($userid) . "' AND `status` = 0 LIMIT 1" ); |
| 326 |
if( $has_approved_post ){ |
| 327 |
return true; |
| 328 |
} |
| 329 |
else{ |
| 330 |
return false; |
| 331 |
} |
| 332 |
} |
| 333 |
|
| 334 |
public function has_unapproved($user){ |
| 335 |
if( empty($user) ) return false; |
| 336 |
if( isset($user['ID']) ){ |
| 337 |
$userid = intval($user['ID']); |
| 338 |
} |
| 339 |
else{ |
| 340 |
$userid = intval($user); |
| 341 |
} |
| 342 |
$has_unapproved_post = WPF()->db->get_var( "SELECT `postid` FROM `".WPF()->tables->posts."` WHERE `userid` = '" . intval($userid) . "' AND `status` = 1 LIMIT 1" ); |
| 343 |
if( $has_unapproved_post ){ |
| 344 |
return true; |
| 345 |
} |
| 346 |
else{ |
| 347 |
return false; |
| 348 |
} |
| 349 |
} |
| 350 |
|
| 351 |
public function ban_for_spam( $userid ){ |
| 352 |
if ( isset($userid) && WPF()->tools_antispam['spam_user_ban'] ) { |
| 353 |
if( !$this->has_approved( WPF()->current_userid ) ){ |
| 354 |
WPF()->member->autoban( $userid ); |
| 355 |
} |
| 356 |
} |
| 357 |
} |
| 358 |
|
| 359 |
public function set_all_unapproved( $userid ){ |
| 360 |
if ( isset($userid) ) { |
| 361 |
WPF()->db->update( WPF()->tables->topics, array('status' => 1), array('userid' => intval($userid)), array('%d'), array('%d')); |
| 362 |
WPF()->db->update( WPF()->tables->posts, array('status' => 1), array('userid' => intval($userid)), array('%d'), array('%d')); |
| 363 |
} |
| 364 |
} |
| 365 |
|
| 366 |
public function remove_links( $item ){ |
| 367 |
if( isset($item['body']) && $item['body'] ){ |
| 368 |
$item['body'] = preg_replace('/((http|https)\:\/\/)?[a-zA-Z0-9\.\/\?\:@\-_=#]+\.([a-zA-Z0-9\&\.\/\?\:@\-_=#])*/is', ' <span style="color:#aaa;">' . wpforo_phrase('removed link', false, false) . '</span> ', $item['body']); |
| 369 |
} |
| 370 |
if( isset($item['title']) && $item['title'] ){ |
| 371 |
if(preg_match('/((http|https)\:\/\/)?[a-zA-Z0-9\.\/\?\:@\-_=#]+\.([a-zA-Z0-9\&\.\/\?\:@\-_=#])*/is', $item['title'] )){ |
| 372 |
$item['title'] = preg_replace('/((http|https)\:\/\/)?[a-zA-Z0-9\.\/\?\:@\-_=#]+\.([a-zA-Z0-9\&\.\/\?\:@\-_=#])*/is', ' -' . wpforo_phrase('removed link', false, false) . '- ', $item['title']); |
| 373 |
} |
| 374 |
} |
| 375 |
return $item; |
| 376 |
} |
| 377 |
|
| 378 |
public function has_link( $content ){ |
| 379 |
if( preg_match('/((http|https)\:\/\/)?[a-zA-Z0-9\.\/\?\:@\-_=#]+\.([a-zA-Z0-9\&\.\/\?\:@\-_=#])*/is', $content ) ){ |
| 380 |
return true; |
| 381 |
} |
| 382 |
return false; |
| 383 |
} |
| 384 |
|
| 385 |
} |
