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Reintegrate sqlite branch

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git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1466 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana
2010-04-21 12:01:32 +00:00
parent 2df25baa3c
commit 3f5b683456
84 changed files with 3010 additions and 1095 deletions
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104
adminer/include/auth.inc.php
View File

@@ -1,88 +1,100 @@
<?php
$connection = '';
if (!$drivers) {
page_header(lang('No extension'), lang('None of the supported PHP extensions (%s) are available.', implode(", ", $possible_drivers)), null);
page_footer("auth");
exit;
}
$token = $_SESSION["token"];
if (!$_SESSION["token"]) {
$_SESSION["token"] = rand(1, 1e6); // defense against cross-site request forgery
}
if (isset($_POST["server"])) {
session_regenerate_id(); // defense against session fixation
$_SESSION["usernames"][$_POST["server"]] = $_POST["username"];
$_SESSION["passwords"][$_POST["server"]] = $_POST["password"];
$_SESSION["passwords"][$_POST["driver"]][$_POST["server"]][$_POST["username"]] = $_POST["password"];
if ($_POST["permanent"]) {
cookie("adminer_permanent",
cookie("adminer_permanent", //! store separately for each driver, server and username to allow several permanent logins
base64_encode($_POST["server"])
. ":" . base64_encode($_POST["username"])
. ":" . base64_encode(encrypt_string($_POST["password"], $adminer->permanentLogin()))
. ":" . base64_encode($_POST["driver"])
);
}
if (count($_POST) == ($_POST["permanent"] ? 4 : 3)) { // 3 - server, username, password
$location = ((string) $_GET["server"] === $_POST["server"] ? remove_from_uri(session_name()) : preg_replace('~^([^?]*).*~', '\\1', ME) . ($_POST["server"] != "" ? '?server=' . urlencode($_POST["server"]) : ''));
if (SID_FORM) {
$pos = strpos($location, '?');
$location = ($pos ? substr_replace($location, SID . "&", $pos + 1, 0) : "$location?" . SID);
}
redirect($location);
if (count($_POST) == ($_POST["permanent"] ? 5 : 4) // 4 - driver, server, username, password
|| DRIVER != $_POST["driver"]
|| SERVER != $_POST["server"]
|| $_GET["username"] !== $_POST["username"] // "0" == "00"
) {
preg_match('~([^?]*)\\??(.*)~', remove_from_uri(implode("|", array_keys($drivers)) . "|username|" . session_name()), $match);
redirect("$match[1]?"
. (SID ? SID . "&" : "")
. ($_POST["driver"] != "server" || $_POST["server"] != "" ? urlencode($_POST["driver"]) . "=" . urlencode($_POST["server"]) . "&" : "")
. "username=" . urlencode($_POST["username"])
. ($match[2] ? "&$match[2]" : "")
);
}
$_GET["server"] = $_POST["server"]; //! used also in ME
} elseif ($_POST["logout"]) {
$token = $_SESSION["tokens"][$_GET["server"]];
if ($token && $_POST["token"] != $token) {
page_header(lang('Logout'), lang('Invalid CSRF token. Send the form again.'));
page_footer("db");
exit;
} else {
foreach (array("usernames", "passwords", "databases", "tokens", "history") as $val) {
unset($_SESSION[$val][$_GET["server"]]);
}
if (!isset($_SESSION["passwords"])) { // don't require login to logout
$_SESSION["passwords"] = array();
foreach (array("passwords", "databases", "history") as $key) {
set_session($key, null);
}
cookie("adminer_permanent", "");
redirect(substr(preg_replace('~db=[^&]*&~', '', ME), 0, -1), lang('Logout successful.'));
redirect(substr(preg_replace('~(username|db)=[^&]*&~', '', ME), 0, -1), lang('Logout successful.'));
}
} elseif ($_COOKIE["adminer_permanent"] && !isset($_SESSION["usernames"][$_GET["server"]])) {
list($server, $username, $cipher) = array_map('base64_decode', explode(":", $_COOKIE["adminer_permanent"]));
if (($_GET["server"] == "" && !$_POST) || $server == $_GET["server"]) {
} elseif ($_COOKIE["adminer_permanent"]) {
list($server, $username, $cipher, $system) = array_map('base64_decode', explode(":", $_COOKIE["adminer_permanent"])); // $driver is a global variable
if ($server == SERVER && $username === $_GET["username"] && $system == DRIVER) {
session_regenerate_id(); // defense against session fixation
$_SESSION["usernames"][$server] = $username;
$_SESSION["passwords"][$server] = decrypt_string($cipher, $adminer->permanentLogin());
if ($server != $_GET["server"]) {
redirect(preg_replace('~^([^?]*).*~', '\\1', ME) . '?server=' . urlencode($server));
}
set_session("passwords", decrypt_string($cipher, $adminer->permanentLogin()));
}
//! redirect ?select=tab
}
function auth_error($exception = null) {
global $connection, $adminer;
global $connection, $adminer, $token;
$session_name = session_name();
$username = $_SESSION["usernames"][$_GET["server"]];
unset($_SESSION["usernames"][$_GET["server"]]);
page_header(lang('Login'), (isset($username) ? h($exception ? $exception->getMessage() : (is_string($connection) ? $connection : lang('Invalid credentials.')))
: (!$_COOKIE[$session_name] && $_GET[$session_name] && ini_get("session.use_only_cookies") ? lang('Session support must be enabled.')
: (($_COOKIE[$session_name] || $_GET[$session_name]) && !isset($_SESSION["passwords"]) ? lang('Session expired, please login again.')
: ""))), null);
$error = "";
if (!$_COOKIE[$session_name] && $_GET[$session_name] && ini_bool("session.use_only_cookies")) {
$error = lang('Session support must be enabled.');
} elseif (isset($_GET["username"])) {
if (($_COOKIE[$session_name] || $_GET[$session_name]) && !$token) {
$error = lang('Session expired, please login again.');
} else {
$password = get_session("passwords");
if (isset($password)) {
$error = h($exception ? $exception->getMessage() : (is_string($connection) ? $connection : lang('Invalid credentials.')));
}
}
}
page_header(lang('Login'), $error, null);
echo "<form action='' method='post'>\n";
$adminer->loginForm($username);
$adminer->loginForm();
echo "<div>";
hidden_fields($_POST, array("server", "username", "password")); // expired session
hidden_fields($_POST, array("driver", "server", "username", "password", "permanent")); // expired session
echo "</div>\n";
echo "</form>\n";
page_footer("auth");
}
$username = &$_SESSION["usernames"][$_GET["server"]];
if (!isset($username)) {
$username = $_GET["username"]; // default username can be passed in URL
if (isset($_GET["username"]) && class_exists("Min_DB")) { // doesn't exists with passing wrong driver
$connection = connect();
}
$connection = (isset($username) ? connect() : '');
if (is_string($connection) || !$adminer->login($username, $_SESSION["passwords"][$_GET["server"]])) {
if (is_string($connection) || !$adminer->login($_GET["username"], get_session("passwords"))) {
auth_error();
exit;
}
unset($username);
if (!$_SESSION["tokens"][$_GET["server"]]) {
$_SESSION["tokens"][$_GET["server"]] = rand(1, 1e6); // defense against cross-site request forgery
}
$token = $_SESSION["token"]; ///< @var string CSRF protection
if (isset($_POST["server"]) && $_POST["token"]) {
$_POST["token"] = $_SESSION["tokens"][$_GET["server"]];
$_POST["token"] = $token; // reset token after explicit login
}
$token = $_SESSION["tokens"][$_GET["server"]]; ///< @var string CSRF protection
$error = ($_POST ///< @var string
? ($_POST["token"] == $token ? "" : lang('Invalid CSRF token. Send the form again.'))
: ($_SERVER["REQUEST_METHOD"] != "POST" ? "" : lang('Too big POST data. Reduce the data or increase the %s configuration directive.', '"post_max_size"')) // posted form with no data means that post_max_size exceeded because Adminer always sends token at least