loggedIn() ) {
redirect_to("profile.php");
}
require('commonheader.php');
$action = $_POST['action'];
if( $action=="signup" ) {
$username = $_POST['username'];
$passwd1 = $_POST['passwd1'];
$passwd2 = $_POST['passwd2'];
$email = $_POST['email'];
$name = $_POST['name'];
$organization = $_POST['organization'];
$captcha = $_POST['g-recaptcha-response'];
$captcha_valid = check_captcha($captcha);
if( !$captcha_valid) {
$recaptcha_error="The reCAPTCHA wasn't entered correctly. Please try again. (For user from China, reCAPTCHA might be blocked.)";
}
$signup_ok = false;
//check username:
if( !$username ) {
$username_error = "This field is required";
} else {
$username_error = $userdb->checkUserNameValid($username);
}
//password
if( !$passwd1 ) {
$passwd1_error = "This field is required";
} else if ( strlen($passwd1) < 5 ) {
$passwd1_error = "Password is too short. Must be at least 5 characters.";
}
if( !$passwd2 ) {
$passwd2_error = "This field is required";
} else if( $passwd1 != $passwd2 ) {
$passwd2_error = "The two passwords do not match";
}
//email
if( !$email ) {
$email_error = "This field is required";
} else if( !validEmail($email)) {
$email_error = "Not a valid email address.";
} else {
// Disable of using same email to register. Added by Wei Liu (wliu@cs.unc.edu) on 05/29/2015
$email_error = $userdb->checkUserEmailValid($email);
}
$check_ok = !isset($username_error) && !isset($passwd1_error) && !isset($passwd2_error) && !isset($email_error) && !isset($recaptcha_error);
//all check passed
//add user
if($check_ok) {
$userid = $userdb->addNewUser($username, $passwd1, $email);
if(!$userid) {
$username_error = "Username is already taken. Please try another one.";
}
}
$signup_ok = $check_ok && !isset($username_error);
if($signup_ok) {
//$session->login($username, $passwd1);
if( $name ) {
$userdb->updateUserInfo($userid, 'userrealname',$name);
}
if( $organization) {
$userdb->updateUserInfo($userid, 'userorganization',$organization);
}
$userid = $session->login($username, $passwd1);
}
}
?>