function insert_user_comment_guestbook(&$comm, $key)
{
global $conf, $user, $page;
$comm = array_merge($comm, array('ip' => $_SERVER['REMOTE_ADDR'], 'agent' => $_SERVER['HTTP_USER_AGENT']));
if (!$conf['guestbook']['comments_validation'] or is_admin()) {
$comment_action = 'validate';
} else {
$comment_action = 'moderate';
}
// author
if (!is_classic_user()) {
if (empty($comm['author'])) {
$page['errors'][] = l10n('Please enter your username');
$comment_action = 'reject';
} else {
$comm['author_id'] = $conf['guest_id'];
// if a guest try to use the name of an already existing user,
// he must be rejected
$query = '
SELECT COUNT(*) AS user_exists
FROM ' . USERS_TABLE . '
WHERE ' . $conf['user_fields']['username'] . " = '" . addslashes($comm['author']) . "'\n;";
$row = pwg_db_fetch_assoc(pwg_query($query));
if ($row['user_exists'] == 1) {
$page['errors'][] = l10n('This login is already used by another user');
$comment_action = 'reject';
}
}
} else {
$comm['author'] = addslashes($user['username']);
$comm['author_id'] = $user['id'];
}
// content
if (empty($comm['content'])) {
$comment_action = 'reject';
}
// key
if (!verify_ephemeral_key(@$key)) {
$comment_action = 'reject';
$_POST['cr'][] = 'key';
}
// email
if (empty($comm['email']) and is_classic_user() and !empty($user['email'])) {
$comm['email'] = $user['email'];
} else {
if (empty($comm['email']) and $conf['comments_email_mandatory']) {
$page['errors'][] = l10n('mail address must be like xxx@yyy.eee (example : jack@altern.org)');
$comment_action = 'reject';
} else {
if (!empty($comm['email']) and !email_check_format($comm['email'])) {
$page['errors'][] = l10n('mail address must be like xxx@yyy.eee (example : jack@altern.org)');
$comment_action = 'reject';
}
}
}
// website
if (!empty($comm['website'])) {
$comm['website'] = strip_tags($comm['website']);
if (!preg_match('/^(https?:\\/\\/)/i', $comm['website'])) {
$comm['website'] = 'http://' . $comm['website'];
}
if (!url_check_format($comm['website'])) {
$page['errors'][] = l10n('invalid website address');
$comment_action = 'reject';
}
}
// anonymous id = ip address
$ip_components = explode('.', $_SERVER["REMOTE_ADDR"]);
if (count($ip_components) > 3) {
array_pop($ip_components);
}
$comm['anonymous_id'] = implode('.', $ip_components);
// comment validation and anti-spam
if ($comment_action != 'reject' and $conf['anti-flood_time'] > 0 and !is_admin()) {
$reference_date = pwg_db_get_flood_period_expression($conf['anti-flood_time']);
$query = '
SELECT COUNT(1) FROM ' . GUESTBOOK_TABLE . '
WHERE
date > ' . $reference_date . '
AND author_id = ' . $comm['author_id'];
if (!is_classic_user()) {
$query .= '
AND anonymous_id = "' . $comm['anonymous_id'] . '"';
}
$query .= '
;';
list($counter) = pwg_db_fetch_row(pwg_query($query));
if ($counter > 0) {
$page['errors'][] = l10n('Anti-flood system : please wait for a moment before trying to post another comment');
$comment_action = 'reject';
}
}
// perform more spam check
$comment_action = trigger_change('user_comment_check', $comment_action, $comm, 'guestbook');
if ($comment_action != 'reject') {
$query = '
INSERT INTO ' . GUESTBOOK_TABLE . '(
author,
author_id,
anonymous_id,
content,
date,
validated,
validation_date,
website,
rate,
email
)
VALUES (
\'' . $comm['author'] . '\',
' . $comm['author_id'] . ',
\'' . $comm['anonymous_id'] . '\',
\'' . $comm['content'] . '\',
NOW(),
\'' . ($comment_action == 'validate' ? 'true' : 'false') . '\',
' . ($comment_action == 'validate' ? 'NOW()' : 'NULL') . ',
' . (!empty($comm['website']) ? '\'' . $comm['website'] . '\'' : 'NULL') . ',
' . (!empty($comm['rate']) ? $comm['rate'] : 'NULL') . ',
' . (!empty($comm['email']) ? '\'' . $comm['email'] . '\'' : 'NULL') . '
)
';
pwg_query($query);
$comm['id'] = pwg_db_insert_id(GUESTBOOK_TABLE);
if ($conf['guestbook']['email_admin_on_comment'] and 'validate' == $comment_action or $conf['guestbook']['email_admin_on_comment_validation'] and 'moderate' == $comment_action) {
include_once PHPWG_ROOT_PATH . 'include/functions_mail.inc.php';
$comment_url = add_url_params(GUESTBOOK_URL, array('comment_id' => $comm['id']));
$keyargs_content = array(get_l10n_args('Author: %s', stripslashes($comm['author'])), get_l10n_args('Comment: %s', stripslashes($comm['content'])), get_l10n_args('', ''), get_l10n_args('Manage this user comment: %s', $comment_url));
if ('moderate' == $comment_action) {
$keyargs_content[] = get_l10n_args('', '');
$keyargs_content[] = get_l10n_args('(!) This comment requires validation', '');
}
pwg_mail_notification_admins(get_l10n_args('Comment by %s', stripslashes($comm['author'])), $keyargs_content);
}
}
return $comment_action;
}
/**
* Tries to update a user comment
* only admin can update all comments
* users can edit their own comments if admin allow them
*
* @param array $comment
* @param string $post_key secret key sent back to the browser
* @return string validate, moderate, reject
*/
function update_user_comment($comment, $post_key)
{
global $conf, $page;
$comment_action = 'validate';
if (!verify_ephemeral_key($post_key, $comment['image_id'])) {
$comment_action = 'reject';
} elseif (!$conf['comments_validation'] or is_admin()) {
$comment_action = 'validate';
//one of validate, moderate, reject
} else {
$comment_action = 'moderate';
//one of validate, moderate, reject
}
// perform more spam check
$comment_action = trigger_change('user_comment_check', $comment_action, array_merge($comment, array('author' => $GLOBALS['user']['username'])));
// website
if (!empty($comment['website_url'])) {
$comm['website_url'] = strip_tags($comm['website_url']);
if (!preg_match('/^https?/i', $comment['website_url'])) {
$comment['website_url'] = 'http://' . $comment['website_url'];
}
if (!url_check_format($comment['website_url'])) {
$page['errors'][] = l10n('Your website URL is invalid');
$comment_action = 'reject';
}
}
if ($comment_action != 'reject') {
$user_where_clause = '';
if (!is_admin()) {
$user_where_clause = ' AND author_id = \'' . $GLOBALS['user']['id'] . '\'';
}
$query = '
UPDATE ' . COMMENTS_TABLE . '
SET content = \'' . $comment['content'] . '\',
website_url = ' . (!empty($comment['website_url']) ? '\'' . $comment['website_url'] . '\'' : 'NULL') . ',
validated = \'' . ($comment_action == 'validate' ? 'true' : 'false') . '\',
validation_date = ' . ($comment_action == 'validate' ? 'NOW()' : 'NULL') . '
WHERE id = ' . $comment['comment_id'] . $user_where_clause . '
;';
$result = pwg_query($query);
// mail admin and ask to validate the comment
if ($result and $conf['email_admin_on_comment_validation'] and 'moderate' == $comment_action) {
include_once PHPWG_ROOT_PATH . 'include/functions_mail.inc.php';
$comment_url = get_absolute_root_url() . 'comments.php?comment_id=' . $comment['comment_id'];
$keyargs_content = array(get_l10n_args('Author: %s', stripslashes($GLOBALS['user']['username'])), get_l10n_args('Comment: %s', stripslashes($comment['content'])), get_l10n_args(''), get_l10n_args('Manage this user comment: %s', $comment_url), get_l10n_args('(!) This comment requires validation'));
pwg_mail_notification_admins(get_l10n_args('Comment by %s', stripslashes($GLOBALS['user']['username'])), $keyargs_content);
} elseif ($result) {
email_admin('edit', array('author' => $GLOBALS['user']['username'], 'content' => stripslashes($comment['content'])));
}
}
return $comment_action;
}