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#533 Add integration sample for BCrypt

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This commit is contained in:
ljacqu 2016-02-19 19:13:49 +01:00
parent 05e79e6356
commit 5795b9d8fd
4 changed files with 196 additions and 3 deletions
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86
samples/website_integration/bcrypt/form.php Normal file
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@ -0,0 +1,86 @@
<!--
This is a demo page for AuthMe website integration with BCrypt.
See integration.php for the PHP code you need.
-->
<!DOCTYPE html>
<html lang="en">
<head>
<title>AuthMe Integration Sample</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<?php
error_reporting(E_ALL);
$action = get_from_post_or_empty('action');
$user = get_from_post_or_empty('username');
$pass = get_from_post_or_empty('password');
$was_successful = false;
if ($action && $user && $pass) {
require_once('integration.php');
if ($action === 'Log in') {
$was_successful = process_login($user, $pass);
} else if ($action === 'Register') {
$was_successful = process_register($user, $pass);
}
}
if (!$was_successful) {
echo '<h1>Login sample</h1>
This is a demo form for AuthMe website integration. Enter your AuthMe login details
into the following form to test it.
<form method="post">
<table>
<tr><td>Name</td><td><input type="text" value="' . htmlspecialchars($user) . '" name="username" /></td></tr>
<tr><td>Pass</td><td><input type="password" value="' . htmlspecialchars($pass) . '" name="password" /></td></tr>
<tr>
<td><input type="submit" name="action" value="Log in" /></td>
<td><input type="submit" name="action" value="Register" /></td>
</tr>
</table>
</form>';
}
function get_from_post_or_empty($index_name) {
return trim(
filter_input(INPUT_POST, $index_name, FILTER_UNSAFE_RAW, FILTER_REQUIRE_SCALAR | FILTER_FLAG_STRIP_LOW)
?: '');
}
// Login logic
function process_login($user, $pass) {
if (authme_check_password($user, $pass)) {
printf('<h1>Hello, %s!</h1>', htmlspecialchars($user));
echo 'Successful login. Nice to have you back!'
. '<br /><a href="form.php">Back to form</a>';
return true;
} else {
echo '<h1>Error</h1> Invalid username or password.';
}
return false;
}
// Register logic
function process_register($user, $pass) {
if (authme_has_user($user)) {
echo '<h1>Error</h1> This user already exists.';
} else {
// Note that we don't validate the password or username at all in this demo...
$register_success = authme_register($user, $pass);
if ($register_success) {
printf('<h1>Welcome, %s!</h1>Thanks for registering', htmlspecialchars($user));
echo '<br /><a href="form.php">Back to form</a>';
return true;
} else {
echo '<h1>Error</h1>Unfortunately, there was an error during the registration.';
}
}
return false;
}
?>
</body>
</html>

107
samples/website_integration/bcrypt/integration.php Normal file
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<?php
/*****************************************************************************
* AuthMe website integration logic for BCrypt *
* -------------------------------- *
* Check with authme_check_password() whether the received username and *
* password match the AuthMe MySQL database. Don't forget to adjust the *
* database info in authme_get_hash(). *
* *
* Source: https://github.com/AuthMe-Team/AuthMeReloaded/ *
*****************************************************************************/
/** The name of the authme MySQL table. */
define('AUTHME_TABLE', 'authme');
/**
* Entry point function to check supplied credentials against the AuthMe database.
*
* @param string $username the username
* @param string $password the password
* @return bool true iff the data is correct, false otherwise
*/
function authme_check_password($username, $password) {
if (is_scalar($username) && is_scalar($password)) {
$hash = authme_get_hash($username);
if ($hash) {
return password_verify($password, $hash);
}
}
return false;
}
/**
* Returns a connection to the database.
*
* @return mysqli|null the mysqli object or null upon error
*/
function authme_get_mysqli() {
$mysqli = new mysqli('localhost', 'root', '', 'authme');
if (mysqli_connect_error()) {
printf('Could not connect to AuthMe database. Errno: %d, error: "%s"',
mysqli_connect_errno(), mysqli_connect_error());
return null;
}
return $mysqli;
}
/**
* Retrieves the hash associated with the given user from the database.
*
* @param string $username the username whose hash should be retrieved
* @return string|null the hash, or null if unavailable (e.g. username doesn't exist)
*/
function authme_get_hash($username) {
// Add here your database host, username, password and database name
$mysqli = authme_get_mysqli();
if ($mysqli !== null) {
$stmt = $mysqli->prepare('SELECT password FROM ' . AUTHME_TABLE . ' WHERE username = ?');
$stmt->bind_param('s', $username);
$stmt->execute();
$stmt->bind_result($password);
if ($stmt->fetch()) {
return $password;
}
}
return null;
}
/**
* Returns whether the user exists in the database or not.
*
* @param string $username the username to check
* @return bool true if the user exists; false otherwise
*/
function authme_has_user($username) {
$mysqli = authme_get_mysqli();
if ($mysqli !== null) {
$stmt = $mysqli->prepare('SELECT 1 FROM ' . AUTHME_TABLE . ' WHERE username = ?');
$stmt->bind_param('s', $username);
$stmt->execute();
return $stmt->fetch();
}
// Defensive default to true; we actually don't know
return true;
}
/**
* Registers a player with the given username.
*
* @param string $username the username to register
* @param string $password the password to associate to the user
* @return bool whether or not the registration was successful
*/
function authme_register($username, $password) {
$mysqli = authme_get_mysqli();
if ($mysqli !== null) {
$hash = password_hash($password, PASSWORD_BCRYPT);
$stmt = $mysqli->prepare('INSERT INTO ' . AUTHME_TABLE . ' (username, realname, password, ip) '
. 'VALUES (?, ?, ?, ?)');
$username_low = strtolower($username);
$stmt->bind_param('ssss', $username, $username_low, $hash, $_SERVER['REMOTE_ADDR']);
return $stmt->execute();
}
return false;
}

4
samples/website_integration/form.php → samples/website_integration/sha256/form.php
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@ -1,5 +1,5 @@
<!-- <!--
This is a demo page for AuthMe website integration. This is a demo page for AuthMe website integration with SHA256.
See integration.php for the PHP code you need. See integration.php for the PHP code you need.
--> -->
<!DOCTYPE html> <!DOCTYPE html>
@ -36,7 +36,7 @@ into the following form to test it.
<table> <table>
<tr><td>Name</td><td><input type="text" value="' . htmlspecialchars($user) . '" name="username" /></td></tr> <tr><td>Name</td><td><input type="text" value="' . htmlspecialchars($user) . '" name="username" /></td></tr>
<tr><td>Pass</td><td><input type="password" value="' . htmlspecialchars($pass) . '" name="password" /></td></tr> <tr><td>Pass</td><td><input type="password" value="' . htmlspecialchars($pass) . '" name="password" /></td></tr>
<tr><td colspan="2"><input type="submit" value=" Log in " /> <tr><td colspan="2"><input type="submit" value=" Log in " /></td></tr>
</table> </table>
</form>'; </form>';
} }

2
samples/website_integration/integration.php → samples/website_integration/sha256/integration.php
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@ -1,6 +1,6 @@
<?php <?php
/***************************************************************************** /*****************************************************************************
* AuthMe website integration logic * * AuthMe website integration logic for SHA256 *
* -------------------------------- * * -------------------------------- *
* Check with authme_check_password() whether the received username and * * Check with authme_check_password() whether the received username and *
* password match the AuthMe MySQL database. Don't forget to adjust the * * password match the AuthMe MySQL database. Don't forget to adjust the *