我有收集用戶數據的腳本,我想用HTML Purifier來檢查他們的數據是否存在惡意代碼(例如XSS和SQL注入),但是如何將它添加到我的PHP表單提交腳本中?如何集成HTML Purifier來過濾用戶提交的數據?
這裏是我的HTML淨化代碼:
require_once '../../htmlpurifier/library/HTMLPurifier.auto.php';
$config = HTMLPurifier_Config::createDefault();
$config->set('Core.Encoding', 'UTF-8'); // replace with your encoding
$config->set('HTML.Doctype', 'XHTML 1.0 Strict'); // replace with your doctype
$purifier = new HTMLPurifier($config);
$clean_html = $purifier->purify($dirty_html);
這裏是我的PHP表單提交代碼:
if (isset($_POST['submitted'])) { // Handle the form.
$mysqli = mysqli_connect("localhost", "root", "", "sitename");
$dbc = mysqli_query($mysqli,"SELECT users.*, profile.*
FROM users
INNER JOIN contact_info ON contact_info.user_id = users.user_id
WHERE users.user_id=3");
$about_me = mysqli_real_escape_string($mysqli, $_POST['about_me']);
$interests = mysqli_real_escape_string($mysqli, $_POST['interests']);
if (mysqli_num_rows($dbc) == 0) {
$mysqli = mysqli_connect("localhost", "root", "", "sitename");
$dbc = mysqli_query($mysqli,"INSERT INTO profile (user_id, about_me, interests)
VALUES ('$user_id', '$about_me', '$interests')");
}
if ($dbc == TRUE) {
$dbc = mysqli_query($mysqli,"UPDATE profile
SET about_me = '$about_me', interests = '$interests'
WHERE user_id = '$user_id'");
echo '<p class="changes-saved">Your changes have been saved!</p>';
}
if (!$dbc) {
// There was an error...do something about it here...
print mysqli_error($mysqli);
return;
}
}