[15940] | 1 | <?php |
---|
| 2 | if (!defined('GUESTBOOK_PATH')) die('Hacking attempt!'); |
---|
| 3 | |
---|
[16000] | 4 | include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php'); |
---|
| 5 | add_event_handler('user_comment_check_guestbook', 'user_comment_check', |
---|
| 6 | EVENT_HANDLER_PRIORITY_NEUTRAL, 2); |
---|
| 7 | |
---|
[20181] | 8 | function insert_user_comment_guestbook( &$comm, $key ) |
---|
[15940] | 9 | { |
---|
| 10 | global $conf, $user, $page; |
---|
| 11 | |
---|
| 12 | $comm = array_merge( $comm, |
---|
| 13 | array( |
---|
| 14 | 'ip' => $_SERVER['REMOTE_ADDR'], |
---|
| 15 | 'agent' => $_SERVER['HTTP_USER_AGENT'] |
---|
| 16 | ) |
---|
| 17 | ); |
---|
[20181] | 18 | |
---|
[15940] | 19 | if (!$conf['guestbook']['comments_validation'] or is_admin()) |
---|
| 20 | { |
---|
| 21 | $comment_action='validate'; //one of validate, moderate, reject |
---|
| 22 | } |
---|
| 23 | else |
---|
| 24 | { |
---|
| 25 | $comment_action='moderate'; //one of validate, moderate, reject |
---|
| 26 | } |
---|
| 27 | |
---|
| 28 | // display author field if the user status is guest or generic |
---|
| 29 | if (!is_classic_user()) |
---|
| 30 | { |
---|
| 31 | if ( empty($comm['author']) ) |
---|
| 32 | { |
---|
| 33 | array_push($page['errors'], l10n('Please enter your username')); |
---|
| 34 | $comment_action='reject'; |
---|
| 35 | } |
---|
| 36 | else |
---|
| 37 | { |
---|
| 38 | $comm['author_id'] = $conf['guest_id']; |
---|
| 39 | // if a guest try to use the name of an already existing user, he must be |
---|
| 40 | // rejected |
---|
| 41 | $query = ' |
---|
| 42 | SELECT COUNT(*) AS user_exists |
---|
| 43 | FROM '.USERS_TABLE.' |
---|
| 44 | WHERE '.$conf['user_fields']['username']." = '".addslashes($comm['author'])."'"; |
---|
| 45 | $row = pwg_db_fetch_assoc( pwg_query( $query ) ); |
---|
| 46 | |
---|
| 47 | if ( $row['user_exists'] == 1 ) |
---|
| 48 | { |
---|
| 49 | array_push($page['errors'], l10n('This login is already used by another user') ); |
---|
| 50 | $comment_action='reject'; |
---|
| 51 | } |
---|
| 52 | } |
---|
| 53 | } |
---|
| 54 | else |
---|
| 55 | { |
---|
| 56 | $comm['author'] = addslashes($user['username']); |
---|
| 57 | $comm['author_id'] = $user['id']; |
---|
| 58 | } |
---|
| 59 | |
---|
| 60 | if ( empty($comm['content']) ) |
---|
| 61 | { // empty comment content |
---|
| 62 | $comment_action='reject'; |
---|
| 63 | } |
---|
| 64 | |
---|
| 65 | if ( !verify_ephemeral_key(@$key) ) |
---|
| 66 | { |
---|
| 67 | $comment_action='reject'; |
---|
| 68 | $_POST['cr'][] = 'key'; |
---|
| 69 | } |
---|
| 70 | |
---|
| 71 | // email |
---|
| 72 | if ( empty($comm['email']) and is_classic_user() and !empty($user['email']) ) |
---|
| 73 | { |
---|
| 74 | $comm['email'] = $user['email']; |
---|
| 75 | } |
---|
[21542] | 76 | else if ( !empty($comm['email']) and !email_check_format($comm['email']) ) |
---|
[15940] | 77 | { |
---|
| 78 | array_push($page['errors'], l10n('mail address must be like xxx@yyy.eee (example : jack@altern.org)')); |
---|
| 79 | $comment_action='reject'; |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | // website |
---|
| 83 | if ( !empty($comm['website']) and !preg_match('/^(https?:\/\/)/i', $comm['website']) ) |
---|
| 84 | { |
---|
| 85 | $comm['website'] = 'http://'.$comm['website']; |
---|
| 86 | } |
---|
[21542] | 87 | if ( !empty($comm['website']) and !url_check_format($comm['website']) ) |
---|
[15940] | 88 | { |
---|
| 89 | array_push($page['errors'], l10n('invalid website address')); |
---|
| 90 | $comment_action='reject'; |
---|
| 91 | } |
---|
| 92 | |
---|
| 93 | // anonymous id = ip address |
---|
| 94 | $ip_components = explode('.', $_SERVER["REMOTE_ADDR"]); |
---|
| 95 | if (count($ip_components) > 3) |
---|
| 96 | { |
---|
| 97 | array_pop($ip_components); |
---|
| 98 | } |
---|
| 99 | $comm['anonymous_id'] = implode('.', $ip_components); |
---|
| 100 | |
---|
| 101 | // comment validation and anti-spam |
---|
| 102 | if ($comment_action!='reject' and $conf['anti-flood_time']>0 and !is_admin()) |
---|
| 103 | { |
---|
| 104 | $reference_date = pwg_db_get_flood_period_expression($conf['anti-flood_time']); |
---|
| 105 | |
---|
| 106 | $query = ' |
---|
| 107 | SELECT COUNT(1) FROM '.GUESTBOOK_TABLE.' |
---|
| 108 | WHERE |
---|
| 109 | date > '.$reference_date.' |
---|
| 110 | AND author_id = '.$comm['author_id']; |
---|
| 111 | if (!is_classic_user()) |
---|
| 112 | { |
---|
| 113 | $query.= ' |
---|
| 114 | AND anonymous_id = "'.$comm['anonymous_id'].'"'; |
---|
| 115 | } |
---|
| 116 | $query.= ' |
---|
| 117 | ;'; |
---|
| 118 | |
---|
| 119 | list($counter) = pwg_db_fetch_row(pwg_query($query)); |
---|
| 120 | if ($counter > 0) |
---|
| 121 | { |
---|
[20181] | 122 | array_push($page['errors'], l10n('Anti-flood system : please wait for a moment before trying to post another comment') ); |
---|
[15940] | 123 | $comment_action='reject'; |
---|
| 124 | } |
---|
| 125 | } |
---|
| 126 | |
---|
[16000] | 127 | // perform more spam check |
---|
| 128 | $comment_action = trigger_event('user_comment_check_guestbook', |
---|
| 129 | $comment_action, $comm |
---|
| 130 | ); |
---|
[15940] | 131 | |
---|
| 132 | if ( $comment_action!='reject' ) |
---|
| 133 | { |
---|
| 134 | $query = ' |
---|
| 135 | INSERT INTO '.GUESTBOOK_TABLE.'( |
---|
| 136 | author, |
---|
| 137 | author_id, |
---|
| 138 | anonymous_id, |
---|
| 139 | content, |
---|
| 140 | date, |
---|
| 141 | validated, |
---|
| 142 | validation_date, |
---|
| 143 | website, |
---|
| 144 | rate, |
---|
| 145 | email |
---|
| 146 | ) |
---|
| 147 | VALUES ( |
---|
| 148 | \''.$comm['author'].'\', |
---|
| 149 | '.$comm['author_id'].', |
---|
| 150 | \''.$comm['anonymous_id'].'\', |
---|
| 151 | \''.$comm['content'].'\', |
---|
| 152 | NOW(), |
---|
| 153 | \''.($comment_action=='validate' ? 'true':'false').'\', |
---|
| 154 | '.($comment_action=='validate' ? 'NOW()':'NULL').', |
---|
| 155 | '.(!empty($comm['website']) ? '\''.$comm['website'].'\'' : 'NULL').', |
---|
| 156 | '.(!empty($comm['rate']) ? $comm['rate'] : 'NULL').', |
---|
| 157 | '.(!empty($comm['email']) ? '\''.$comm['email'].'\'' : 'NULL').' |
---|
| 158 | ) |
---|
| 159 | '; |
---|
| 160 | |
---|
| 161 | pwg_query($query); |
---|
| 162 | |
---|
| 163 | $comm['id'] = pwg_db_insert_id(GUESTBOOK_TABLE); |
---|
| 164 | |
---|
| 165 | if ( ($conf['guestbook']['email_admin_on_comment'] and 'validate' == $comment_action) |
---|
| 166 | or ($conf['guestbook']['email_admin_on_comment_validation'] and 'moderate' == $comment_action)) |
---|
| 167 | { |
---|
| 168 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
---|
| 169 | |
---|
[24889] | 170 | $comment_url = add_url_params(GUESTBOOK_URL, array('comment_id'=>$comm['id'])); |
---|
[15940] | 171 | |
---|
| 172 | $keyargs_content = array |
---|
| 173 | ( |
---|
| 174 | get_l10n_args('Author: %s', stripslashes($comm['author']) ), |
---|
| 175 | get_l10n_args('Comment: %s', stripslashes($comm['content']) ), |
---|
| 176 | get_l10n_args('', ''), |
---|
| 177 | get_l10n_args('Manage this user comment: %s', $comment_url) |
---|
| 178 | ); |
---|
| 179 | |
---|
| 180 | if ('moderate' == $comment_action) |
---|
| 181 | { |
---|
| 182 | $keyargs_content[] = get_l10n_args('', ''); |
---|
| 183 | $keyargs_content[] = get_l10n_args('(!) This comment requires validation', ''); |
---|
| 184 | } |
---|
| 185 | |
---|
| 186 | pwg_mail_notification_admins |
---|
| 187 | ( |
---|
| 188 | get_l10n_args('Comment by %s', stripslashes($comm['author']) ), |
---|
| 189 | $keyargs_content |
---|
| 190 | ); |
---|
| 191 | } |
---|
| 192 | } |
---|
| 193 | return $comment_action; |
---|
| 194 | } |
---|
| 195 | |
---|
| 196 | function update_user_comment_guestbook($comment, $post_key) |
---|
| 197 | { |
---|
| 198 | global $conf; |
---|
| 199 | |
---|
| 200 | $comment_action = 'validate'; |
---|
| 201 | |
---|
| 202 | if ( !verify_ephemeral_key($post_key) ) |
---|
| 203 | { |
---|
| 204 | $comment_action='reject'; |
---|
| 205 | } |
---|
| 206 | elseif (!$conf['guestbook']['comments_validation'] or is_admin()) // should the updated comment must be validated |
---|
| 207 | { |
---|
| 208 | $comment_action='validate'; //one of validate, moderate, reject |
---|
| 209 | } |
---|
| 210 | else |
---|
| 211 | { |
---|
| 212 | $comment_action='moderate'; //one of validate, moderate, reject |
---|
| 213 | } |
---|
| 214 | |
---|
| 215 | if ( $comment_action!='reject' ) |
---|
| 216 | { |
---|
| 217 | $user_where_clause = ''; |
---|
| 218 | if (!is_admin()) |
---|
| 219 | { |
---|
| 220 | $user_where_clause = ' AND author_id = \''. |
---|
| 221 | $GLOBALS['user']['id'].'\''; |
---|
| 222 | } |
---|
| 223 | |
---|
| 224 | $query = ' |
---|
| 225 | UPDATE '.GUESTBOOK_TABLE.' |
---|
| 226 | SET content = \''.$comment['content'].'\', |
---|
| 227 | validated = \''.($comment_action=='validate' ? 'true':'false').'\', |
---|
| 228 | validation_date = '.($comment_action=='validate' ? 'NOW()':'NULL').' |
---|
| 229 | WHERE id = '.$comment['comment_id']. |
---|
| 230 | $user_where_clause.' |
---|
| 231 | ;'; |
---|
| 232 | $result = pwg_query($query); |
---|
| 233 | |
---|
| 234 | // mail admin and ask to validate the comment |
---|
| 235 | if ($result and $conf['guestbook']['email_admin_on_comment_validation'] and 'moderate' == $comment_action) |
---|
| 236 | { |
---|
| 237 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
---|
| 238 | |
---|
[24889] | 239 | $comment_url = add_url_params(GUESTBOOK_URL, array('comment_id'=>$comm['id'])); |
---|
[15940] | 240 | |
---|
| 241 | $keyargs_content = array |
---|
| 242 | ( |
---|
| 243 | get_l10n_args('Author: %s', stripslashes($GLOBALS['user']['username']) ), |
---|
| 244 | get_l10n_args('Comment: %s', stripslashes($comment['content']) ), |
---|
| 245 | get_l10n_args('', ''), |
---|
| 246 | get_l10n_args('Manage this user comment: %s', $comment_url), |
---|
| 247 | get_l10n_args('', ''), |
---|
| 248 | get_l10n_args('(!) This comment requires validation', ''), |
---|
| 249 | ); |
---|
| 250 | |
---|
| 251 | pwg_mail_notification_admins |
---|
| 252 | ( |
---|
| 253 | get_l10n_args('Comment by %s', stripslashes($GLOBALS['user']['username']) ), |
---|
| 254 | $keyargs_content |
---|
| 255 | ); |
---|
| 256 | } |
---|
| 257 | } |
---|
| 258 | |
---|
| 259 | return $comment_action; |
---|
| 260 | } |
---|
| 261 | |
---|
| 262 | function get_comment_author_id_guestbook($comment_id, $die_on_error=true) |
---|
| 263 | { |
---|
| 264 | $query = ' |
---|
| 265 | SELECT |
---|
| 266 | author_id |
---|
| 267 | FROM '.GUESTBOOK_TABLE.' |
---|
| 268 | WHERE id = '.$comment_id.' |
---|
| 269 | ;'; |
---|
| 270 | $result = pwg_query($query); |
---|
| 271 | if (pwg_db_num_rows($result) == 0) |
---|
| 272 | { |
---|
| 273 | if ($die_on_error) |
---|
| 274 | { |
---|
| 275 | fatal_error('Unknown comment identifier'); |
---|
| 276 | } |
---|
| 277 | else |
---|
| 278 | { |
---|
| 279 | return false; |
---|
| 280 | } |
---|
| 281 | } |
---|
| 282 | |
---|
| 283 | list($author_id) = pwg_db_fetch_row($result); |
---|
| 284 | |
---|
| 285 | return $author_id; |
---|
| 286 | } |
---|
| 287 | |
---|
| 288 | function delete_user_comment_guestbook($comment_id) |
---|
| 289 | { |
---|
| 290 | $user_where_clause = ''; |
---|
| 291 | if (!is_admin()) |
---|
| 292 | { |
---|
| 293 | $user_where_clause = ' AND author_id = \''.$GLOBALS['user']['id'].'\''; |
---|
| 294 | } |
---|
| 295 | |
---|
| 296 | if (is_array($comment_id)) |
---|
| 297 | $where_clause = 'id IN('.implode(',', $comment_id).')'; |
---|
| 298 | else |
---|
| 299 | $where_clause = 'id = '.$comment_id; |
---|
| 300 | |
---|
| 301 | $query = ' |
---|
| 302 | DELETE FROM '.GUESTBOOK_TABLE.' |
---|
| 303 | WHERE '.$where_clause. |
---|
| 304 | $user_where_clause.' |
---|
| 305 | ;'; |
---|
| 306 | pwg_query($query); |
---|
| 307 | } |
---|
| 308 | |
---|
| 309 | function validate_user_comment_guestbook($comment_id) |
---|
| 310 | { |
---|
| 311 | if (is_array($comment_id)) |
---|
| 312 | $where_clause = 'id IN('.implode(',', $comment_id).')'; |
---|
| 313 | else |
---|
| 314 | $where_clause = 'id = '.$comment_id; |
---|
| 315 | |
---|
| 316 | $query = ' |
---|
| 317 | UPDATE '.GUESTBOOK_TABLE.' |
---|
| 318 | SET validated = \'true\' |
---|
| 319 | , validation_date = NOW() |
---|
| 320 | WHERE '.$where_clause.' |
---|
| 321 | ;'; |
---|
| 322 | pwg_query($query); |
---|
[24889] | 323 | } |
---|