/**
* Functions for checking if user exists
*/
function checkingIfUserExists()
{
include_once 'validate.php';
include_once 'functions.php';
if (isset($_POST['email']) && isset($_POST['password'])) {
$email = cleanInput($_POST['email']);
$password = cleanInput($_POST['password']);
}
if (empty($email) || empty($password)) {
echo "All fields are required. Please fill in all the fields.";
exit;
} else {
/*checking correctness of form input*/
$email = filter_var($email, FILTER_SANITIZE_EMAIL);
if (validateEmail($email) == false) {
echo "E-mail should be in the format of name@example.com";
exit;
}
if (validateLength($password, 6) == false) {
echo "Password should contain not less than 6 symbols";
exit;
}
//$password_hash=password_hash($password, PASSWORD_DEFAULT); //PHP 5 >= 5.5.0
$password_hash = md5($password);
/*checking if user already exists*/
if (checkLoggedUserInFile($email, $password_hash) == true) {
//echo "Hello! You have logged in as ".$_SESSION['user_name'].".";
header('Location:products.php');
exit;
} else {
echo "No such user, or wrong password.<br>";
//exit;
}
}
}
function validateForm(&$errors)
{
global $firstname, $surname, $birthdate;
## firstname ##
if (!validateRequired($firstname)) {
$errors['firstname'][] = 'First name is required.';
} else {
if (!validateLength($firstname, 2)) {
$errors['firstname'][] = 'Minimum length is 2.';
}
}
## surname ##
if (!validateRequired($surname)) {
$errors['surname'][] = 'Surname is required.';
} else {
if (!validateLength($surname, 2)) {
$errors['surname'][] = 'Minimum length is 2.';
}
}
## date ##
if (!validateRequired($birthdate)) {
$errors['birthdate'][] = 'Date of Birth is required.';
} else {
if (!validateDate($birthdate)) {
$errors['birthdate'][] = 'Wrong date.';
}
}
## return ##
return empty($errors) ? true : false;
}
function validateForm(&$errors)
{
global $username, $password, $rep_password;
if (!validateRequiredField($username)) {
$errors['username'][] = 'Username required.';
} else {
if (!validateLength($username, 4)) {
$errors['username'][] = 'Username must be 4 characters long.';
}
}
if (!validateRequiredField($password)) {
$errors['password'][] = 'Password required.';
} else {
if (!validateLength($password, 6)) {
$errors['password'][] = 'Password must be 6 characters long.';
}
}
if (!validateRequiredField($rep_password)) {
$errors['rep_password'][] = 'Repeated password required.';
} else {
if (!validateLength($rep_password, 6)) {
$errors['rep_password'][] = 'Repeated password must be 6 characters long.';
}
}
return !empty($errors);
}
function validateNumInput($input, $maxLength)
{
$input = validateLength($input, $maxLength);
if (!is_numeric($input)) {
return 0;
}
return $input;
}
function validateString($name, $str, $min_length, $max_length)
{
$str = trim($str);
if (get_magic_quotes_gpc()) {
$str = stripslashes($str);
}
$result = filter_var($str, FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW);
//$result = filter_var($result, FILTER_SANITIZE_FULL_SPECIAL_CHARS);
if (validateLength($result, $min_length, $max_length)) {
return $result;
} else {
throw new Exception('Pole ' . $name . ' jest za krótkie/długie.', 400);
}
}
function validateForm(&$errors)
{
global $username, $password1, $password2;
## username ##
if (!validateRequired($username)) {
$errors['username'][] = 'Username is required.';
} else {
if (!validateLength($username, 4)) {
$errors['username'][] = 'Minimum username length is 4.';
}
}
## password1 ##
if (!validateRequired($password1)) {
$errors['password1'][] = 'Password is required.';
} else {
if (!validateLength($password1, 6)) {
$errors['password1'][] = 'Minimum password length is 6.';
} else {
if (!validateNonAlphaNum($password1)) {
$errors['password1'][] = 'Password must contain at least 1 non-alphanumeric character.';
} else {
if (!validateIdentical($password1, $password2)) {
$errors['password1'][] = 'Passwords don\'t match.';
}
}
}
}
## password2 ##
if (!validateRequired($password2)) {
$errors['password2'][] = 'Password is required.';
} else {
if (!validateLength($password2, 6)) {
$errors['password2'][] = 'Minimum password length is 6.';
} else {
if (!validateNonAlphaNum($password2)) {
$errors['password2'][] = 'Password must contain at least 1 non-alphanumeric character.';
} else {
if (!validateIdentical($password1, $password2)) {
$errors['password2'][] = 'Passwords don\'t match.';
}
}
}
}
## return ##
return empty($errors) ? true : false;
}
/**
* Functions for checking & validating form
*/
function checkingFormAndSaveNewUser()
{
include_once 'validate.php';
if (isset($_POST['username']) && isset($_POST['email']) && isset($_POST['password']) && isset($_POST['confirm_password']) && isset($_POST['agree'])) {
$username = cleanInput($_POST['username']);
$email = cleanInput($_POST['email']);
$password = cleanInput($_POST['password']);
$confirm_password = cleanInput($_POST['confirm_password']);
$agree = $_POST['agree'];
if (validateUsername($username) == false) {
echo "Name should contain capitals and lower case, not less than 2 symbols";
exit;
}
$email = filter_var($email, FILTER_SANITIZE_EMAIL);
if (validateEmail($email) == false) {
echo "E-mail should be in the format of name@example.com";
exit;
}
if (validateLength($password, 6) == false) {
echo "Password should contain not less than 6 symbols";
exit;
}
if (validateConfirm($password, $confirm_password) == false) {
echo "Passwords do not match";
exit;
}
//$password_hash=password_hash($password, PASSWORD_DEFAULT); //PHP 5 >= 5.5.0
$password_hash = md5($password);
$dir_for_saved_users = "./user/";
if (!is_dir($dir_for_saved_users)) {
mkdir($dir_for_saved_users, 0777, true);
}
chmod('./user/', 0777);
$filename = $dir_for_saved_users . "user_info";
$new_user_info = $username . ":" . $email . ":" . $password_hash . "\n";
file_put_contents($filename, $new_user_info, FILE_APPEND);
//$_SESSION['name'] = $username;
echo "You have signed up successfully! <a href='index.php'>Log in</a>";
} else {
echo "All fields are required. Please fill in all the fields.";
exit;
}
}
//| Check the field length
//+----------------------------------------------------------------+
function validateLength($fieldValue, $minLength)
{
return strlen(trim($fieldValue)) > $minLength;
}
//+----------------------------------------------------------------+
//| Get the posted field values & validate them
//+----------------------------------------------------------------+
$name = $_POST["name"];
$email = $_POST["email"];
$phone = $_POST["tel"];
$message = $_POST["message"];
$errorExists = false;
// Name
if (!validateLength($name, 2)) {
$errorExists = true;
}
if (preg_match($expLettersOnly, $name) !== 1) {
$errorExists = true;
}
// Email
if (preg_match($expEmail, $email) !== 1) {
$errorExists = true;
}
//+----------------------------------------------------------------+
//| Submit the form (if there is no errors)
//+----------------------------------------------------------------+
if ($errorExists == true) {
//ture
echo '<div class="alert alert-danger alert-dismissible wow fadeInUp" role="alert">
function checkVar($target, $untrusted_value, $awaited_type, $min, $max, $default_value, $label, $array_return, $die_on_fail)
{
$value_accepted = true;
$error = "";
// 1. filter value according to target (web page or database)
// converts to correct charset, removes unwanted values, encodes special chars
// does nothing if not $target = ""
$untrusted_value = filterValue($target, $untrusted_value);
// 2. checks var content against awaited type
if ($awaited_type != "") {
$value_accepted = validateType($target, $untrusted_value, $awaited_type);
if ($value_accepted == 0) {
$error .= "bad type, " . $awaited_type . " awaited.";
}
} else {
// sets var type if not specified, for next check against bounds
if (is_numeric($untrusted_value)) {
$awaited_type = "float";
} else {
$awaited_type = "string";
}
}
// 3. checks var content against bounds
if ($value_accepted) {
// numeric : checks var content against values bounds
if ($awaited_type == "int" || $awaited_type == "float" || $awaited_type == "hex") {
echo $awaited_type . "<br>";
$value_accepted = validateValue($untrusted_value, $min, $max);
if (!$value_accepted) {
$error .= "bad value, " . $min . " to " . $max . " expected.";
}
}
// string : checks var content against length bounds
if ($awaited_type == "string" || $awaited_type == "date" || $awaited_type == "url" || $awaited_type == "email") {
$value_accepted = validateLength($untrusted_value, $min, $max);
if (!$value_accepted) {
$error .= "bad length, " . $min . " to " . $max . " chars expected.";
}
}
}
if ($value_accepted) {
switch ($array_return) {
case 0:
// returns a single value without feedback
return $untrusted_value;
break;
case 1:
// returns an array with filtered value or default value with error feedback if validation fails (useful for form validation)
return array("ok" => true, "value" => $untrusted_value, "error" => "");
}
} else {
if ($die_on_fail) {
exit("Fatal error :: bad var value detected");
if ($debug_mode == "on") {
echo "<br>'" . $label . "' " . $error;
}
}
switch ($array_return) {
case 0:
// returns a single value without feedback
return $default_value;
break;
case 1:
// returns an array with filtered value or default value with error feedback if validation fails (useful for form validation)
return array("ok" => false, "value" => $default_value, "error" => "'" . $label . "' " . $error);
}
}
}
$gender = "Male";
} else {
if ($gender === "2") {
$gender = "Female";
} else {
$errorExists = true;
$errors .= "<li>Please select a gender!</li>";
}
}
// Email
if (preg_match($expEmail, $email) !== 1) {
$errorExists = true;
$errors .= "<li>The email address format is invalid!</li>";
}
// Password
if (!validateLength($password, 5)) {
$errorExists = true;
$errors .= "<li>The password is too short!</li>";
}
if (preg_match($expLettersNumbers, $password) !== 1) {
$errorExists = true;
$errors .= "<li>The password can only contain alphanumeric characters!</li>";
}
// Confirm Password
if ($confirmPassword !== $password) {
$errorExists = true;
$errors .= "<li>The passwords don't match!</li>";
}
// If no errors, echo the results
if (!$errorExists) {
echo "<h3>Success! The form has been submitted!</h3>" . "<p>Details:</p>" . "<ul>" . "<li>Name: {$name}</li>" . "<li>Usernname: {$username}</li>" . "<li>Gender: {$gender}</li>" . "<li>Email: {$email}</li>" . "<li>Subscribe to newsletter: {$subscribe}</li>" . "</ul>";
function validateForm($username, $password1, $password2)
{
global $errors;
global $password;
if (validateRequired($username)) {
if (!validateString($username)) {
$errors['username'][] = 'Username needs to be String!';
}
if (!validateAlphabethUsed($username)) {
$errors['username'][] = 'Username needs to be in latin characters!';
}
if (!validateLength($username, 5)) {
$errors['username'][] = 'Username needs to be at least 5 characters long!';
}
} else {
$errors['username'][] = 'Username needs to be filled!';
}
if (validateRequired($password1)) {
if (!validateLength($password1, 5)) {
$errors['password1'][] = 'Password needs to be at least 5 characters long!';
}
if (!validatePassword($password1)) {
$errors['password1'][] = "Password need to consist of one of the three of Capital, \nSmall letters, Digits and Special characters";
}
} else {
$errors['password1'][] = 'Password needs to be filled!';
}
if (validateRequired($password2)) {
if (!validateLength($password2, 5)) {
$errors['password2'][] = 'Password needs to be at least 5 characters long!';
}
if (!validatePassword($password2)) {
$errors['password2'][] = "Password need to consist of one of the three of Capital, \nSmall letters, Digits and Special characters";
}
if (validateRequired($password1)) {
if (!validateMatchingPasswords($password1, $password2)) {
$errors['password2'][] = "Password do not match!";
} else {
$password = md5($password1);
}
}
} else {
$errors['password2'][] = 'Password needs to be filled!';
}
}
