My register page script+ recaptcha

darkesthour · May 10, 2010

Hi I've tried adding a recaptcha for my register page. For some reason it doesn't register , it also does't do recap check properly here is the code: any ideas?

<html>

<head>

<br>Be sure to use only lowercase letters for account for account.<br />

</head>

<body>

<table

<?php

# Get the reCAPTCHA library

require_once('recaptchalib.php');

# These are /not/ real keys - you must replace them with your *own* keys

# obtained from http://recaptcha.net/api/getkey

define('PUBLIC_KEY', 'recap public key');

define('PRIVATE_KEY', 'recap private key');

# Did the user fail the captcha test?

$error = null;

require('./configs/reg_conf.php');

function doesUsernameExist($name){

$exit = FALSE;

$result = @mssql_query("SELECT * FROM ACCOUNT_TBL WHERE account='$name'");

if (mssql_num_rows($result) != 0){

$exit = TRUE;

}

return $exit;

}

if(isset($_POST['submit'])){

$user = preg_replace ("[^A-Za-z0-9]", "", $_POST['username']);

$pass = preg_replace ("[^A-Za-z0-9]", "", $_POST['password']);

if($_POST['username'] == ""){

echo '<font color="red">Enter a user.</font><br /><br />';

}

else if($_POST['password'] == ""){

echo '<font color="red">Enter a password.</font><br /><br />';

}

else if ((strlen($_POST['username']) > 16) || (strlen($_POST['username']) < 3)){

echo '<font color="red">The user should be 3 to 16 characters.</font><br /><br />';

}

else if ((strlen($_POST['password']) > 16) || (strlen($_POST['password']) < 3)){

echo '<font color="red">The password should be 3 to 16 characters.</font><br /><br />';

}

else if($_POST['username'] != $user){

echo '<font color="red">User with invalid characters.</font><br /><br />';

}

else if($_POST['password'] != $pass){

echo '<font color="red">Password with invalid characters.</font><br /><br />';

}

else {

$pass = md5('kikugalanet' . $pass);

if ($_POST["recaptcha_response_field"]) {

$response = recaptcha_check_answer(

PRIVATE_KEY, $_SERVER['REMOTE_ADDR'],

$_POST['recaptcha_challenge_field'],

$_POST['recaptcha_response_field']

);

if ( $response->is_valid ) {

# The user passed the reCAPTCHA test: form submission should continue

# Your other form validation logic should go here.

# For example

# ... validate user input ...

# ... store form data in a database ...

# ... redirect to 'thank you' page

}

else {

# The user failed the reCAPTCHA test so we need

# to fill in the error message and re-try the

# form submission

$error = $response->error;

}

if(!doesUsernameExist($user)){

$stmt = mssql_init('createaccount', $link);

mssql_bind($stmt, '@account', $user, SQLVARCHAR, false, false, 15);

mssql_bind($stmt, '@password', $pass, SQLVARCHAR, false, false, 32);

mssql_execute($stmt) or die ("Something is wrong on the execution");

mssql_free_statement($stmt);

echo '<font color="blue">Register Successful.</font><br /><br />';

}

else {

echo '<font color="red">User already Exist.</font><br /><br />';

}

mssql_close();

}

echo '<form action="register.php" method="post">';

echo recaptcha_get_html( PUBLIC_KEY, $error );

echo 'Username: <input type="text" name="username" /><br />';

echo 'Password: <input type="password" name="password" /><br />';

echo '<input type="submit" name="submit" value="Register" />';

echo '</form>';

?>

</body>

</html>

Also heres a test code for just recapture on its own which works:

<html>

<body>

<?php

# Get the reCAPTCHA library

require_once('recaptchalib.php');

# These are /not/ real keys - you must replace them with your *own* keys

# obtained from http://recaptcha.net/api/getkey

define('PUBLIC_KEY', 'public');

define('PRIVATE_KEY', 'private');

# Did the user fail the captcha test?

$error = null;

# This is where we process the user's response. We don't

# do this when the form is initially displayed - only

# when the user submits it.

if ($_POST["recaptcha_response_field"]) {

$response = recaptcha_check_answer(

PRIVATE_KEY, $_SERVER['REMOTE_ADDR'],

$_POST['recaptcha_challenge_field'],

$_POST['recaptcha_response_field']

);

if ( $response->is_valid ) {

# The user passed the reCAPTCHA test: form submission should continue

# Your other form validation logic should go here.

# For example

# ... validate user input ...

# ... store form data in a database ...

# ... redirect to 'thank you' page

}

else {

# The user failed the reCAPTCHA test so we need

# to fill in the error message and re-try the

# form submission

$error = $response->error;

}

# Display the reCAPTCHA challenge. The first time

# through $error will be null.

echo recaptcha_get_html( PUBLIC_KEY, $error );

?>

<br />

Username: <input type="text" name="username" value="" /><br />

Email address: <input type="text" name="email" value="" /><br />

</form>

</body>

</html>

Muddy_Funster · May 10, 2010

on your actual page, have you changes the re-captcha keys to valid ones?

darkesthour · May 10, 2010

Yes i have.

darkesthour · May 11, 2010

Bump Any ideas anyone?

Kryptix · May 11, 2010

Here's mine... Hopefully you can take the bits you need:

<?php
include "recaptcha.php";

if (isset($_POST['submit'])) {
	$username = trim($_POST['username']); $password = trim($_POST['password1']); $password2 = trim($_POST['password2']); $email = trim($_POST['email']);
	$captcha = recaptcha_check_answer ($privatekey, $_SERVER['REMOTE_ADDR'], $_POST['recaptcha_challenge_field'], $_POST['recaptcha_response_field']);

	if ($password == NULL || $password2 == NULL || $email == NULL || $username == NULL)
		$error = "Please ensure that every field is complete.";
	else if (!$captcha->is_valid)
		$error = "The Captcha you entered was invalid. If you cannot read the text please click the refresh button. If you feel there's a problem with the Captcha system please <a href=\"mailto:[email protected]\">e-mail us</a> on: <a href=\"mailto:[email protected]\">[email protected]</a>";
	else if (!preg_match("/^[a-zA-Z0-9 ]+$/", $username))
		$error = "Your username can only contain numbers, letters and spaces.";
	else if (!preg_match("/^[a-zA-Z0-9 ]+$/", $password))
		$error = "Your password can only contain numbers, letters and spaces.";
	else if ($password != $password2)
		$error = "Your passwords did not match. Please ensure they're the same.";
	else if (strlen($username) > 25 || strlen($username) < 2)
		$error = "Your username must be between 2 and 25 characters in length.";
	else if (strlen($password) > 16 || strlen($password) < 4)
		$error = "Your password must be between 4 and 16 characters in length.";
	else if (strlen($email) > 70 || strlen($email) < 10)
		$error = "Your e-mail must be between 10 and 70 characters in length.";
	else if (!preg_match("/^\b[A-Z0-9._-]+@(?:[A-Z0-9-]+\.)+[A-Z]{2,4}$\b/i", $email))
		$error = "Your e-mail seems to be invalid.";
	else {
?>

darkesthour · May 13, 2010

Thanks a lot helped a lot.

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My register page script+ recaptcha

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