adminerevo/auth.inc.php
2009-04-11 19:10:25 +00:00

73 lines
2.9 KiB
PHP

<?php
$ignore = array("server", "username", "password");
if (ini_get("session.use_trans_sid") && isset($_POST[session_name()])) {
$ignore[] = session_name();
}
if (isset($_POST["server"])) {
if (isset($_COOKIE[session_name()]) || isset($_POST[session_name()])) {
session_regenerate_id();
$_SESSION["usernames"][$_POST["server"]] = $_POST["username"];
$_SESSION["passwords"][$_POST["server"]] = $_POST["password"];
if (count($_POST) == count($ignore)) {
$location = ((string) $_GET["server"] === $_POST["server"] ? remove_from_uri() : preg_replace('~^[^?]*/([^?]*).*~', '\\1', $_SERVER["REQUEST_URI"]) . (strlen($_POST["server"]) ? '?server=' . urlencode($_POST["server"]) : ''));
if (!isset($_COOKIE[session_name()])) {
$location .= (strpos($location, "?") === false ? "?" : "&") . SID;
}
header("Location: " . (strlen($location) ? $location : "."));
exit;
}
}
$_GET["server"] = $_POST["server"];
} elseif (isset($_POST["logout"])) {
if ($_POST["token"] != $_SESSION["tokens"][$_GET["server"]]["?logout"]) {
page_header(lang('Logout'), lang('Invalid CSRF token. Send the form again.'));
page_footer("db");
exit;
} else {
unset($_SESSION["usernames"][$_GET["server"]]);
unset($_SESSION["passwords"][$_GET["server"]]);
unset($_SESSION["databases"][$_GET["server"]]);
$_SESSION["tokens"][$_GET["server"]] = array();
redirect(substr($SELF, 0, -1), lang('Logout successful.'));
}
}
function auth_error() {
global $ignore;
$username = $_SESSION["usernames"][$_GET["server"]];
if ($_POST["token"] && !isset($username)) {
$_POST["token"] = token();
}
unset($_SESSION["usernames"][$_GET["server"]]);
page_header(lang('Login'), (isset($username) ? lang('Invalid credentials.') : (isset($_POST["server"]) ? lang('Sessions must be enabled.') : ($_POST ? lang('Session expired, please login again.') : ""))), null);
?>
<form action="" method="post">
<table border="0" cellspacing="0" cellpadding="2">
<tr><th><?php echo lang('Server'); ?></th><td><input name="server" value="<?php echo htmlspecialchars($_GET["server"]); ?>" /></td></tr>
<tr><th><?php echo lang('Username'); ?></th><td><input name="username" value="<?php echo htmlspecialchars($username); ?>" /></td></tr>
<tr><th><?php echo lang('Password'); ?></th><td><input type="password" name="password" /></td></tr>
</table>
<p>
<?php
hidden_fields($_POST, $ignore); // expired session
foreach ($_FILES as $key => $val) {
echo '<input type="hidden" name="files[' . htmlspecialchars($key) . ']" value="' . ($val["error"] ? $val["error"] : base64_encode(file_get_contents($val["tmp_name"]))) . '" />';
}
?>
<input type="submit" value="<?php echo lang('Login'); ?>" />
</p>
</form>
<?php
page_footer("auth");
}
$username = &$_SESSION["usernames"][$_GET["server"]];
if (!isset($username)) {
$username = $_GET["username"];
}
if (!isset($username) || !$mysql->connect($_GET["server"], $username, $_SESSION["passwords"][$_GET["server"]])) {
auth_error();
exit;
}
unset($username);