Tag Archive for password

Random password

<?php
/**
* Random Password Generator
* @public
* @param int $length Length of password to generate
* @return string Returns randomised password
*/
function randomPword($length)
{
$seed = 'ABC123DEF456GHI789JKL0MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
$seedLength = strlen($seed);
$random = '';
for ($i=1; $i <= $length; $i++)
{
$charPos = mt_rand(0, ($seedLength - 1));
$singleChar = substr($seed, $charPos, 1);
$random .= $singleChar;
}
return $random;
}
?>

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Password encryption

function encryptpass($password) {
if(!empty($password)) {
$key = 	'oYenhuobE577FzAixKPe9qQkptHbFx'.
'uoC0PcdPfNuQGnELzvI3FGVWl27k3v'.
'mqoymbRV09QWwdmq6c7AWysFP43LtM'.
'x8MDriq73T2PVJBGiyxQUxe4viLiHQ'.
'In4buglQcq3024DCw9sVFO0mFVe6Jq'.
'cPUuCjzYWyfgaSe97H6DBLIvAY9qbN'.
'xozZtZ0Id9Coy7daJDfx4w8BsyfFNr';

$hash1 = sha1(md5($key));
$hash2 = sha1(md5($password));
$password = md5(sha1($hash1 . $hash2));

return $password;
}
}

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Generate password

	function generatePassword ($length = 16)
{

// start with a blank password
$password = "";

// define possible characters
$possible = "0123456789bcdfghjkmnpqrstvwxyz";

// set up a counter
$i = 0;

// add random characters to $password until $length is reached
while ($i < $length) {

// pick a random character from the possible ones
$char = substr($possible, mt_rand(0, strlen($possible)-1), 1);

// we don't want this character if it's already in the password
if (!strstr($password, $char)) {
$password .= $char;
$i++;
}

}

// done!
return $password;

}

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MySQL random password string

SELECT CONV(FLOOR(RAND() * 99999999999999), 10, 36);

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Random password string

echo base_convert(rand(0, PHP_INT_MAX) . rand(0, PHP_INT_MAX), 10, 36);

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Set MySQL root password

SET PASSWORD FOR root@localhost=PASSWORD('RootPasswordHere');
FLUSH PRIVILEGES;

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password protect

<?php
##################################################################
#  SETTINGS START
##################################################################

// Add login/password pairs below, like described above
// NOTE: all rows except last must have comma "," at the end of line
$LOGIN_INFORMATION = array(
'admin' => 'admin'
);

// request login? true - show login and password boxes, false - password box only
define('USE_USERNAME', true);

// User will be redirected to this page after logout
define('LOGOUT_URL', 'http://www.example.com/');

// time out after NN minutes of inactivity. Set to 0 to not timeout
define('TIMEOUT_MINUTES', 0);

// This parameter is only useful when TIMEOUT_MINUTES is not zero
// true - timeout time from last activity, false - timeout time from login
define('TIMEOUT_CHECK_ACTIVITY', true);

##################################################################
#  SETTINGS END
##################################################################

///////////////////////////////////////////////////////
// do not change code below
///////////////////////////////////////////////////////

// timeout in seconds
$timeout = (TIMEOUT_MINUTES == 0 ? 0 : time() + TIMEOUT_MINUTES * 60);

// logout?
if(isset($_GET['logout'])) {
setcookie("verify", '', $timeout, '/'); // clear password;
header('Location: ' . LOGOUT_URL);
exit();
}

if(!function_exists('showLoginPasswordProtect')) {

// show login form
function showLoginPasswordProtect($error_msg) {
?>
<html>
<head>
<title>Admin Control Panel</title>
<META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE">
<META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">
<link href="style.css" rel="stylesheet" type="text/css" media="screen" />
</head>
<body style="text-align:center">

<style>
input { border: 1px solid black; }
</style>
<form method="post">
<h1>Please enter password to access this page</h1>
<font color="red"><?php echo $error_msg; ?></font><br />
<?php if (USE_USERNAME) echo 'Login:<br /><input type="input" name="access_login" /><br />Password:<br />'; ?>
<input type="password" name="access_password" /><p></p><input type="submit" name="Submit" value="Submit" />
</form>

</body>
</html>

<?php
// stop at this point
die();
}
}

// user provided password
if (isset($_POST['access_password'])) {

$login = isset($_POST['access_login']) ? $_POST['access_login'] : '';
$pass = $_POST['access_password'];
if (!USE_USERNAME && !in_array($pass, $LOGIN_INFORMATION)
|| (USE_USERNAME && ( !array_key_exists($login, $LOGIN_INFORMATION) || $LOGIN_INFORMATION[$login] != $pass ) )
) {
showLoginPasswordProtect("Incorrect password.");
}
else {
// set cookie if password was validated
setcookie("verify", md5($login.'%'.$pass), $timeout, '/');

// Some programs (like Form1 Bilder) check $_POST array to see if parameters passed
// So need to clear password protector variables
unset($_POST['access_login']);
unset($_POST['access_password']);
unset($_POST['Submit']);
}

}

else {

// check if password cookie is set
if (!isset($_COOKIE['verify'])) {
showLoginPasswordProtect("");
}

// check if cookie is good
$found = false;
foreach($LOGIN_INFORMATION as $key=>$val) {
$lp = (USE_USERNAME ? $key : '') .'%'.$val;
if ($_COOKIE['verify'] == md5($lp)) {
$found = true;
// prolong timeout
if (TIMEOUT_CHECK_ACTIVITY) {
setcookie("verify", md5($lp), $timeout, '/');
}
break;
}
}
if (!$found) {
showLoginPasswordProtect("");
}

}

?>

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Single-Page Password Protection

<html>
<head>
<title>Private Page</title>
</head>
<body>

<?php
$password = "phpmac";

if (!isset($_POST['submit'])) {
?>
<form action="" method="POST">
Enter the Password: <input type="password" name="password"><br>
<input type="submit" name="submit">
</form>
<?php
} else {

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

?>

Secret content!

<?php
} else {
?>

<form action="" method="POST">
Enter the Password: <input type="password" name="password"><br>
<input type="submit" name="submit">
</form>

<?php
}
}
?>

</body>
</html>

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Password Protect Folder / Directory with htaccess and htpasswd on Apache and Linux / Unix

Step 1 - Create .htaccess file in folder you want to protect, copy the code and paste the code below, and then set server path to the file

AuthUserFile /path/to/.htpasswd
AuthName "Restricted Area"
AuthType Basic
Require valid-user

Step 2 - Open Terminal, go to the directory you want to protect, and enter the following (changing the username to whatever you want). Enter the password upon prompting.

htpasswd -c .htpasswd username

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