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#533 Add integration sample for BCrypt
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ljacqu
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samples/website_integration/bcrypt/form.php
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86
samples/website_integration/bcrypt/form.php
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<!--
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This is a demo page for AuthMe website integration with BCrypt.
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See integration.php for the PHP code you need.
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-->
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>AuthMe Integration Sample</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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</head>
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<body>
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<?php
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error_reporting(E_ALL);
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$action = get_from_post_or_empty('action');
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$user = get_from_post_or_empty('username');
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$pass = get_from_post_or_empty('password');
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$was_successful = false;
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if ($action && $user && $pass) {
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require_once('integration.php');
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if ($action === 'Log in') {
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$was_successful = process_login($user, $pass);
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} else if ($action === 'Register') {
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$was_successful = process_register($user, $pass);
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}
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}
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if (!$was_successful) {
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echo '<h1>Login sample</h1>
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This is a demo form for AuthMe website integration. Enter your AuthMe login details
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into the following form to test it.
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<form method="post">
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<table>
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<tr><td>Name</td><td><input type="text" value="' . htmlspecialchars($user) . '" name="username" /></td></tr>
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<tr><td>Pass</td><td><input type="password" value="' . htmlspecialchars($pass) . '" name="password" /></td></tr>
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<tr>
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<td><input type="submit" name="action" value="Log in" /></td>
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<td><input type="submit" name="action" value="Register" /></td>
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</tr>
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</table>
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</form>';
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}
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function get_from_post_or_empty($index_name) {
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return trim(
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filter_input(INPUT_POST, $index_name, FILTER_UNSAFE_RAW, FILTER_REQUIRE_SCALAR | FILTER_FLAG_STRIP_LOW)
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?: '');
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}
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// Login logic
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function process_login($user, $pass) {
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if (authme_check_password($user, $pass)) {
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printf('<h1>Hello, %s!</h1>', htmlspecialchars($user));
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echo 'Successful login. Nice to have you back!'
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. '<br /><a href="form.php">Back to form</a>';
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return true;
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} else {
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echo '<h1>Error</h1> Invalid username or password.';
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}
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return false;
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}
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// Register logic
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function process_register($user, $pass) {
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if (authme_has_user($user)) {
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echo '<h1>Error</h1> This user already exists.';
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} else {
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// Note that we don't validate the password or username at all in this demo...
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$register_success = authme_register($user, $pass);
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if ($register_success) {
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printf('<h1>Welcome, %s!</h1>Thanks for registering', htmlspecialchars($user));
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echo '<br /><a href="form.php">Back to form</a>';
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return true;
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} else {
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echo '<h1>Error</h1>Unfortunately, there was an error during the registration.';
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}
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}
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return false;
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}
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?>
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</body>
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</html>
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107
samples/website_integration/bcrypt/integration.php
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107
samples/website_integration/bcrypt/integration.php
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<?php
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/*****************************************************************************
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* AuthMe website integration logic for BCrypt *
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* -------------------------------- *
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* Check with authme_check_password() whether the received username and *
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* password match the AuthMe MySQL database. Don't forget to adjust the *
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* database info in authme_get_hash(). *
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* *
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* Source: https://github.com/AuthMe-Team/AuthMeReloaded/ *
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*****************************************************************************/
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/** The name of the authme MySQL table. */
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define('AUTHME_TABLE', 'authme');
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/**
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* Entry point function to check supplied credentials against the AuthMe database.
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*
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* @param string $username the username
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* @param string $password the password
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* @return bool true iff the data is correct, false otherwise
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*/
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function authme_check_password($username, $password) {
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if (is_scalar($username) && is_scalar($password)) {
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$hash = authme_get_hash($username);
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if ($hash) {
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return password_verify($password, $hash);
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}
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}
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return false;
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}
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/**
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* Returns a connection to the database.
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*
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* @return mysqli|null the mysqli object or null upon error
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*/
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function authme_get_mysqli() {
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$mysqli = new mysqli('localhost', 'root', '', 'authme');
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if (mysqli_connect_error()) {
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printf('Could not connect to AuthMe database. Errno: %d, error: "%s"',
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mysqli_connect_errno(), mysqli_connect_error());
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return null;
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}
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return $mysqli;
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}
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/**
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* Retrieves the hash associated with the given user from the database.
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*
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* @param string $username the username whose hash should be retrieved
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* @return string|null the hash, or null if unavailable (e.g. username doesn't exist)
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*/
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function authme_get_hash($username) {
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// Add here your database host, username, password and database name
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$mysqli = authme_get_mysqli();
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if ($mysqli !== null) {
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$stmt = $mysqli->prepare('SELECT password FROM ' . AUTHME_TABLE . ' WHERE username = ?');
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$stmt->bind_param('s', $username);
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$stmt->execute();
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$stmt->bind_result($password);
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if ($stmt->fetch()) {
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return $password;
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}
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}
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return null;
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}
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/**
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* Returns whether the user exists in the database or not.
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*
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* @param string $username the username to check
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* @return bool true if the user exists; false otherwise
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*/
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function authme_has_user($username) {
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$mysqli = authme_get_mysqli();
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if ($mysqli !== null) {
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$stmt = $mysqli->prepare('SELECT 1 FROM ' . AUTHME_TABLE . ' WHERE username = ?');
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$stmt->bind_param('s', $username);
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$stmt->execute();
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return $stmt->fetch();
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}
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// Defensive default to true; we actually don't know
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return true;
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}
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/**
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* Registers a player with the given username.
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*
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* @param string $username the username to register
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* @param string $password the password to associate to the user
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* @return bool whether or not the registration was successful
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*/
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function authme_register($username, $password) {
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$mysqli = authme_get_mysqli();
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if ($mysqli !== null) {
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$hash = password_hash($password, PASSWORD_BCRYPT);
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$stmt = $mysqli->prepare('INSERT INTO ' . AUTHME_TABLE . ' (username, realname, password, ip) '
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. 'VALUES (?, ?, ?, ?)');
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$username_low = strtolower($username);
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$stmt->bind_param('ssss', $username, $username_low, $hash, $_SERVER['REMOTE_ADDR']);
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return $stmt->execute();
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}
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return false;
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}
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@ -1,5 +1,5 @@
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<!--
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This is a demo page for AuthMe website integration.
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This is a demo page for AuthMe website integration with SHA256.
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See integration.php for the PHP code you need.
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-->
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<!DOCTYPE html>
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@ -36,7 +36,7 @@ into the following form to test it.
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<table>
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<tr><td>Name</td><td><input type="text" value="' . htmlspecialchars($user) . '" name="username" /></td></tr>
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<tr><td>Pass</td><td><input type="password" value="' . htmlspecialchars($pass) . '" name="password" /></td></tr>
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<tr><td colspan="2"><input type="submit" value=" Log in " />
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<tr><td colspan="2"><input type="submit" value=" Log in " /></td></tr>
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</table>
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</form>';
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}
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@ -1,6 +1,6 @@
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<?php
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/*****************************************************************************
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* AuthMe website integration logic *
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* AuthMe website integration logic for SHA256 *
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* -------------------------------- *
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* Check with authme_check_password() whether the received username and *
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* password match the AuthMe MySQL database. Don't forget to adjust the *
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