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Code Issues Releases Wiki Activity

Permanent login

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git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1281 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana
2009-12-18 17:39:48 +00:00
parent 1bcee1ebad
commit 95b4ea471d
6 changed files with 64 additions and 4 deletions
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47
adminer/include/auth.inc.php
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@@ -3,8 +3,15 @@ if (isset($_POST["server"])) {
session_regenerate_id(); // defense against session fixation
$_SESSION["usernames"][$_POST["server"]] = $_POST["username"];
$_SESSION["passwords"][$_POST["server"]] = $_POST["password"];
if (count($_POST) == 3) { // 3 - count($ignore)
$location = ((string) $_GET["server"] === $_POST["server"] ? remove_from_uri(session_name()) : preg_replace('~^([^?]*).*~', '\\1', $_SERVER["REQUEST_URI"]) . (strlen($_POST["server"]) ? '?server=' . urlencode($_POST["server"]) : ''));
if ($_POST["permanent"]) {
cookie("adminer_permanent",
base64_encode($_POST["server"])
. ":" . base64_encode($_POST["username"])
. ":" . base64_encode(cipher_password($_POST["password"], pack("H*", sha1(str_pad($_POST["username"], 1) . $adminer->permanentLogin())))) // str_pad - to hide original key
);
}
if (count($_POST) == 3 + ($_POST["permanent"] ? 1 : 0)) { // 3 - server, username, password
$location = ((string) $_GET["server"] === $_POST["server"] ? remove_from_uri(session_name()) : preg_replace('~^([^?]*).*~', '\\1', ME) . (strlen($_POST["server"]) ? '?server=' . urlencode($_POST["server"]) : ''));
if (SID) {
$pos = strpos($location, '?');
$location = ($pos ? substr_replace($location, SID . "&", $pos + 1, 0) : "$location?" . SID);
@@ -12,7 +19,7 @@ if (isset($_POST["server"])) {
redirect($location);
}
$_GET["server"] = $_POST["server"];
} elseif (isset($_POST["logout"])) {
} elseif ($_POST["logout"]) {
$token = $_SESSION["tokens"][$_GET["server"]];
if ($token && $_POST["token"] != $token) {
page_header(lang('Logout'), lang('Invalid CSRF token. Send the form again.'));
@@ -25,8 +32,42 @@ if (isset($_POST["server"])) {
if (!isset($_SESSION["passwords"])) { // don't require login to logout
$_SESSION["passwords"] = array();
}
cookie("adminer_permanent", "");
redirect(substr(ME, 0, -1), lang('Logout successful.'));
}
} elseif ($_COOKIE["adminer_permanent"] && !isset($_SESSION["usernames"][$_GET["server"]])) {
list($server, $username, $cipher) = array_map('base64_decode', explode(":", $_COOKIE["adminer_permanent"]));
if (!strlen($_GET["server"]) || $server == $_GET["server"]) {
session_regenerate_id(); // defense against session fixation
$_SESSION["usernames"][$server] = $username;
$_SESSION["passwords"][$server] = decipher_password($cipher, pack("H*", sha1(str_pad($username, 1) . $adminer->permanentLogin())));
if (!$_POST && $server != $_GET["server"]) {
redirect(preg_replace('~^([^?]*).*~', '\\1', ME) . '?server=' . urlencode($server));
}
}
}
/** Cipher password
* @param string plain-text password
* @param string binary key, should be longer than $password
* @return string binary cipher
*/
function cipher_password($password, $key) {
$password2 = strlen($password) . ":" . str_pad($password, 17);
$repeat = ceil(strlen($password2) / strlen($key));
return $password2 ^ str_repeat($key, $repeat);
}
/** Decipher password
* @param string binary cipher
* @param string binary key
* @return string plain-text password
*/
function decipher_password($cipher, $key) {
$repeat = ceil(strlen($cipher) / strlen($key));
$password2 = $cipher ^ str_repeat($key, $repeat);
list($length, $password) = explode(":", $password2, 2);
return substr($password, 0, $length);
}
function auth_error($exception = null) {