[15940] | 1 | <?php |
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| 2 | if (!defined('GUESTBOOK_PATH')) die('Hacking attempt!'); |
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| 3 | |
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[16000] | 4 | include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php'); |
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| 5 | add_event_handler('user_comment_check_guestbook', 'user_comment_check', |
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| 6 | EVENT_HANDLER_PRIORITY_NEUTRAL, 2); |
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| 7 | |
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[15940] | 8 | function insert_user_comment_guestbook( &$comm, $key, &$infos ) |
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| 9 | { |
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| 10 | global $conf, $user, $page; |
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| 11 | |
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| 12 | $comm = array_merge( $comm, |
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| 13 | array( |
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| 14 | 'ip' => $_SERVER['REMOTE_ADDR'], |
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| 15 | 'agent' => $_SERVER['HTTP_USER_AGENT'] |
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| 16 | ) |
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| 17 | ); |
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| 18 | |
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| 19 | $infos = array(); |
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| 20 | if (!$conf['guestbook']['comments_validation'] or is_admin()) |
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| 21 | { |
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| 22 | $comment_action='validate'; //one of validate, moderate, reject |
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| 23 | } |
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| 24 | else |
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| 25 | { |
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| 26 | $comment_action='moderate'; //one of validate, moderate, reject |
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| 27 | } |
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| 28 | |
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| 29 | // display author field if the user status is guest or generic |
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| 30 | if (!is_classic_user()) |
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| 31 | { |
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| 32 | if ( empty($comm['author']) ) |
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| 33 | { |
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| 34 | array_push($page['errors'], l10n('Please enter your username')); |
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| 35 | $comment_action='reject'; |
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| 36 | } |
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| 37 | else |
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| 38 | { |
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| 39 | $comm['author_id'] = $conf['guest_id']; |
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| 40 | // if a guest try to use the name of an already existing user, he must be |
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| 41 | // rejected |
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| 42 | $query = ' |
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| 43 | SELECT COUNT(*) AS user_exists |
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| 44 | FROM '.USERS_TABLE.' |
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| 45 | WHERE '.$conf['user_fields']['username']." = '".addslashes($comm['author'])."'"; |
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| 46 | $row = pwg_db_fetch_assoc( pwg_query( $query ) ); |
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| 47 | |
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| 48 | if ( $row['user_exists'] == 1 ) |
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| 49 | { |
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| 50 | array_push($page['errors'], l10n('This login is already used by another user') ); |
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| 51 | $comment_action='reject'; |
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| 52 | } |
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| 53 | } |
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| 54 | } |
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| 55 | else |
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| 56 | { |
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| 57 | $comm['author'] = addslashes($user['username']); |
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| 58 | $comm['author_id'] = $user['id']; |
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| 59 | } |
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| 60 | |
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| 61 | if ( empty($comm['content']) ) |
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| 62 | { // empty comment content |
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| 63 | $comment_action='reject'; |
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| 64 | } |
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| 65 | |
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| 66 | if ( !verify_ephemeral_key(@$key) ) |
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| 67 | { |
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| 68 | $comment_action='reject'; |
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| 69 | $_POST['cr'][] = 'key'; |
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| 70 | } |
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| 71 | |
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| 72 | // email |
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| 73 | if ( empty($comm['email']) and is_classic_user() and !empty($user['email']) ) |
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| 74 | { |
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| 75 | $comm['email'] = $user['email']; |
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| 76 | } |
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| 77 | else if ( !empty($comm['email']) and !is_valid_email($comm['email']) ) |
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| 78 | { |
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| 79 | array_push($page['errors'], l10n('mail address must be like xxx@yyy.eee (example : jack@altern.org)')); |
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| 80 | $comment_action='reject'; |
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| 81 | } |
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| 82 | |
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| 83 | // website |
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| 84 | if ( !empty($comm['website']) and !preg_match('/^(https?:\/\/)/i', $comm['website']) ) |
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| 85 | { |
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| 86 | $comm['website'] = 'http://'.$comm['website']; |
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| 87 | } |
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| 88 | if ( !empty($comm['website']) and !is_valid_url($comm['website']) ) |
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| 89 | { |
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| 90 | array_push($page['errors'], l10n('invalid website address')); |
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| 91 | $comment_action='reject'; |
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| 92 | } |
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| 93 | |
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| 94 | // anonymous id = ip address |
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| 95 | $ip_components = explode('.', $_SERVER["REMOTE_ADDR"]); |
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| 96 | if (count($ip_components) > 3) |
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| 97 | { |
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| 98 | array_pop($ip_components); |
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| 99 | } |
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| 100 | $comm['anonymous_id'] = implode('.', $ip_components); |
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| 101 | |
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| 102 | // comment validation and anti-spam |
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| 103 | if ($comment_action!='reject' and $conf['anti-flood_time']>0 and !is_admin()) |
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| 104 | { |
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| 105 | $reference_date = pwg_db_get_flood_period_expression($conf['anti-flood_time']); |
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| 106 | |
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| 107 | $query = ' |
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| 108 | SELECT COUNT(1) FROM '.GUESTBOOK_TABLE.' |
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| 109 | WHERE |
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| 110 | date > '.$reference_date.' |
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| 111 | AND author_id = '.$comm['author_id']; |
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| 112 | if (!is_classic_user()) |
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| 113 | { |
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| 114 | $query.= ' |
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| 115 | AND anonymous_id = "'.$comm['anonymous_id'].'"'; |
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| 116 | } |
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| 117 | $query.= ' |
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| 118 | ;'; |
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| 119 | |
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| 120 | list($counter) = pwg_db_fetch_row(pwg_query($query)); |
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| 121 | if ($counter > 0) |
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| 122 | { |
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| 123 | array_push( $infos, l10n('Anti-flood system : please wait for a moment before trying to post another comment') ); |
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| 124 | $comment_action='reject'; |
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| 125 | } |
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| 126 | } |
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| 127 | |
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[16000] | 128 | // perform more spam check |
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| 129 | $comment_action = trigger_event('user_comment_check_guestbook', |
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| 130 | $comment_action, $comm |
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| 131 | ); |
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[15940] | 132 | |
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| 133 | if ( $comment_action!='reject' ) |
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| 134 | { |
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| 135 | $query = ' |
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| 136 | INSERT INTO '.GUESTBOOK_TABLE.'( |
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| 137 | author, |
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| 138 | author_id, |
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| 139 | anonymous_id, |
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| 140 | content, |
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| 141 | date, |
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| 142 | validated, |
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| 143 | validation_date, |
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| 144 | website, |
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| 145 | rate, |
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| 146 | email |
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| 147 | ) |
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| 148 | VALUES ( |
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| 149 | \''.$comm['author'].'\', |
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| 150 | '.$comm['author_id'].', |
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| 151 | \''.$comm['anonymous_id'].'\', |
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| 152 | \''.$comm['content'].'\', |
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| 153 | NOW(), |
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| 154 | \''.($comment_action=='validate' ? 'true':'false').'\', |
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| 155 | '.($comment_action=='validate' ? 'NOW()':'NULL').', |
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| 156 | '.(!empty($comm['website']) ? '\''.$comm['website'].'\'' : 'NULL').', |
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| 157 | '.(!empty($comm['rate']) ? $comm['rate'] : 'NULL').', |
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| 158 | '.(!empty($comm['email']) ? '\''.$comm['email'].'\'' : 'NULL').' |
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| 159 | ) |
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| 160 | '; |
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| 161 | |
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| 162 | pwg_query($query); |
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| 163 | |
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| 164 | $comm['id'] = pwg_db_insert_id(GUESTBOOK_TABLE); |
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| 165 | |
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| 166 | if ( ($conf['guestbook']['email_admin_on_comment'] and 'validate' == $comment_action) |
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| 167 | or ($conf['guestbook']['email_admin_on_comment_validation'] and 'moderate' == $comment_action)) |
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| 168 | { |
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| 169 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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| 170 | |
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| 171 | $comment_url = get_absolute_root_url().add_url_params(GUESTBOOK_URL, array('comment_id'=>$comm['id'])); |
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| 172 | |
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| 173 | $keyargs_content = array |
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| 174 | ( |
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| 175 | get_l10n_args('Author: %s', stripslashes($comm['author']) ), |
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| 176 | get_l10n_args('Comment: %s', stripslashes($comm['content']) ), |
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| 177 | get_l10n_args('', ''), |
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| 178 | get_l10n_args('Manage this user comment: %s', $comment_url) |
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| 179 | ); |
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| 180 | |
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| 181 | if ('moderate' == $comment_action) |
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| 182 | { |
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| 183 | $keyargs_content[] = get_l10n_args('', ''); |
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| 184 | $keyargs_content[] = get_l10n_args('(!) This comment requires validation', ''); |
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| 185 | } |
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| 186 | |
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| 187 | pwg_mail_notification_admins |
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| 188 | ( |
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| 189 | get_l10n_args('Comment by %s', stripslashes($comm['author']) ), |
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| 190 | $keyargs_content |
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| 191 | ); |
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| 192 | } |
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| 193 | } |
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| 194 | return $comment_action; |
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| 195 | } |
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| 196 | |
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| 197 | function update_user_comment_guestbook($comment, $post_key) |
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| 198 | { |
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| 199 | global $conf; |
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| 200 | |
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| 201 | $comment_action = 'validate'; |
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| 202 | |
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| 203 | if ( !verify_ephemeral_key($post_key) ) |
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| 204 | { |
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| 205 | $comment_action='reject'; |
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| 206 | } |
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| 207 | elseif (!$conf['guestbook']['comments_validation'] or is_admin()) // should the updated comment must be validated |
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| 208 | { |
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| 209 | $comment_action='validate'; //one of validate, moderate, reject |
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| 210 | } |
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| 211 | else |
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| 212 | { |
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| 213 | $comment_action='moderate'; //one of validate, moderate, reject |
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| 214 | } |
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| 215 | |
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| 216 | if ( $comment_action!='reject' ) |
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| 217 | { |
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| 218 | $user_where_clause = ''; |
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| 219 | if (!is_admin()) |
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| 220 | { |
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| 221 | $user_where_clause = ' AND author_id = \''. |
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| 222 | $GLOBALS['user']['id'].'\''; |
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| 223 | } |
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| 224 | |
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| 225 | $query = ' |
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| 226 | UPDATE '.GUESTBOOK_TABLE.' |
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| 227 | SET content = \''.$comment['content'].'\', |
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| 228 | validated = \''.($comment_action=='validate' ? 'true':'false').'\', |
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| 229 | validation_date = '.($comment_action=='validate' ? 'NOW()':'NULL').' |
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| 230 | WHERE id = '.$comment['comment_id']. |
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| 231 | $user_where_clause.' |
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| 232 | ;'; |
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| 233 | $result = pwg_query($query); |
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| 234 | |
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| 235 | // mail admin and ask to validate the comment |
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| 236 | if ($result and $conf['guestbook']['email_admin_on_comment_validation'] and 'moderate' == $comment_action) |
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| 237 | { |
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| 238 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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| 239 | |
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| 240 | $comment_url = get_absolute_root_url().add_url_params(GUESTBOOK_URL, array('comment_id'=>$comm['id'])); |
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| 241 | |
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| 242 | $keyargs_content = array |
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| 243 | ( |
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| 244 | get_l10n_args('Author: %s', stripslashes($GLOBALS['user']['username']) ), |
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| 245 | get_l10n_args('Comment: %s', stripslashes($comment['content']) ), |
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| 246 | get_l10n_args('', ''), |
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| 247 | get_l10n_args('Manage this user comment: %s', $comment_url), |
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| 248 | get_l10n_args('', ''), |
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| 249 | get_l10n_args('(!) This comment requires validation', ''), |
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| 250 | ); |
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| 251 | |
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| 252 | pwg_mail_notification_admins |
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| 253 | ( |
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| 254 | get_l10n_args('Comment by %s', stripslashes($GLOBALS['user']['username']) ), |
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| 255 | $keyargs_content |
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| 256 | ); |
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| 257 | } |
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| 258 | } |
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| 259 | |
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| 260 | return $comment_action; |
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| 261 | } |
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| 262 | |
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| 263 | function get_comment_author_id_guestbook($comment_id, $die_on_error=true) |
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| 264 | { |
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| 265 | $query = ' |
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| 266 | SELECT |
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| 267 | author_id |
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| 268 | FROM '.GUESTBOOK_TABLE.' |
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| 269 | WHERE id = '.$comment_id.' |
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| 270 | ;'; |
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| 271 | $result = pwg_query($query); |
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| 272 | if (pwg_db_num_rows($result) == 0) |
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| 273 | { |
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| 274 | if ($die_on_error) |
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| 275 | { |
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| 276 | fatal_error('Unknown comment identifier'); |
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| 277 | } |
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| 278 | else |
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| 279 | { |
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| 280 | return false; |
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| 281 | } |
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| 282 | } |
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| 283 | |
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| 284 | list($author_id) = pwg_db_fetch_row($result); |
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| 285 | |
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| 286 | return $author_id; |
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| 287 | } |
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| 288 | |
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| 289 | function delete_user_comment_guestbook($comment_id) |
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| 290 | { |
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| 291 | $user_where_clause = ''; |
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| 292 | if (!is_admin()) |
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| 293 | { |
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| 294 | $user_where_clause = ' AND author_id = \''.$GLOBALS['user']['id'].'\''; |
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| 295 | } |
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| 296 | |
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| 297 | if (is_array($comment_id)) |
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| 298 | $where_clause = 'id IN('.implode(',', $comment_id).')'; |
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| 299 | else |
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| 300 | $where_clause = 'id = '.$comment_id; |
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| 301 | |
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| 302 | $query = ' |
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| 303 | DELETE FROM '.GUESTBOOK_TABLE.' |
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| 304 | WHERE '.$where_clause. |
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| 305 | $user_where_clause.' |
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| 306 | ;'; |
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| 307 | pwg_query($query); |
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| 308 | } |
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| 309 | |
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| 310 | function validate_user_comment_guestbook($comment_id) |
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| 311 | { |
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| 312 | if (is_array($comment_id)) |
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| 313 | $where_clause = 'id IN('.implode(',', $comment_id).')'; |
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| 314 | else |
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| 315 | $where_clause = 'id = '.$comment_id; |
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| 316 | |
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| 317 | $query = ' |
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| 318 | UPDATE '.GUESTBOOK_TABLE.' |
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| 319 | SET validated = \'true\' |
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| 320 | , validation_date = NOW() |
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| 321 | WHERE '.$where_clause.' |
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| 322 | ;'; |
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| 323 | pwg_query($query); |
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| 324 | } |
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| 325 | |
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| 326 | ?> |
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