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simplify internal authentication code and bump default algo to SSHA-512

This commit is contained in:
Andrew Dolgov 2021-03-01 15:24:18 +03:00
parent 320503dd39
commit 6359259dbb
10 changed files with 152 additions and 169 deletions
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2
api/index.php
View File

@ -46,7 +46,7 @@
UserHelper::load_user_plugins($_SESSION["uid"]);
}
$method = strtolower($_REQUEST["op"]);
$method = strtolower($_REQUEST["op"] ?? "");
$handler = new API($_REQUEST);

4
classes/auth/base.php
View File

@ -23,8 +23,8 @@ abstract class Auth_Base extends Plugin implements IAuthModule {
if (!$password) $password = make_password();
$salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$pwd_hash = encrypt_password($password, $salt, true);
$salt = UserHelper::get_salt();
$pwd_hash = UserHelper::hash_password($password, $salt, UserHelper::HASH_ALGOS[0]);
$sth = $this->pdo->prepare("INSERT INTO ttrss_users
(login,access_level,last_login,created,pwd_hash,salt)

24
classes/pref/prefs.php
View File

@ -1038,19 +1038,6 @@ class Pref_Prefs extends Handler_Protected {
}
}
static function _is_default_password() {
$authenticator = PluginHost::getInstance()->get_plugin($_SESSION["auth_module"]);
if ($authenticator &&
method_exists($authenticator, "check_password") &&
$authenticator->check_password($_SESSION["uid"], "password")) {
return true;
}
return false;
}
function otpdisable() {
$password = clean($_REQUEST["password"]);
@ -1404,12 +1391,6 @@ class Pref_Prefs extends Handler_Protected {
<?php
}
private function _encrypt_app_password($password) {
$salt = substr(bin2hex(get_random_bytes(24)), 0, 24);
return "SSHA-512:".hash('sha512', $salt . $password). ":$salt";
}
function deleteAppPassword() {
$ids = explode(",", clean($_REQUEST['ids']));
$ids_qmarks = arr_qmarks($ids);
@ -1423,7 +1404,8 @@ class Pref_Prefs extends Handler_Protected {
function generateAppPassword() {
$title = clean($_REQUEST['title']);
$new_password = make_password(16);
$new_password_hash = $this->_encrypt_app_password($new_password);
$new_salt = UserHelper::get_salt();
$new_password_hash = UserHelper::hash_password($new_password, $new_salt, UserHelper::HASH_ALGOS[0]);
print_warning(T_sprintf("Generated password <strong>%s</strong> for %s. Please remember it for future reference.", $new_password, $title));
@ -1432,7 +1414,7 @@ class Pref_Prefs extends Handler_Protected {
VALUES
(?, ?, ?, NOW(), ?)");
$sth->execute([$title, $new_password_hash, Auth_Base::AUTH_SERVICE_API, $_SESSION['uid']]);
$sth->execute([$title, "$new_password_hash:$new_salt", Auth_Base::AUTH_SERVICE_API, $_SESSION['uid']]);
$this->appPasswordList();
}

20
classes/pref/users.php
View File

@ -107,7 +107,7 @@ class Pref_Users extends Handler_Administrative {
function editSave() {
$login = clean($_REQUEST["login"]);
$uid = clean($_REQUEST["id"]);
$uid = (int) clean($_REQUEST["id"]);
$access_level = (int) clean($_REQUEST["access_level"]);
$email = clean($_REQUEST["email"]);
$password = clean($_REQUEST["password"]);
@ -118,19 +118,13 @@ class Pref_Users extends Handler_Administrative {
// forbid renaming admin
if ($uid == 1) $login = "admin";
if ($password) {
$salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$pwd_hash = encrypt_password($password, $salt, true);
$pass_query_part = "pwd_hash = ".$this->pdo->quote($pwd_hash).",
salt = ".$this->pdo->quote($salt).",";
} else {
$pass_query_part = "";
}
$sth = $this->pdo->prepare("UPDATE ttrss_users SET $pass_query_part login = LOWER(?),
$sth = $this->pdo->prepare("UPDATE ttrss_users SET login = LOWER(?),
access_level = ?, email = ?, otp_enabled = false WHERE id = ?");
$sth->execute([$login, $access_level, $email, $uid]);
if ($password) {
UserHelper::reset_password($uid, false, $password);
}
}
function remove() {
@ -153,8 +147,8 @@ class Pref_Users extends Handler_Administrative {
function add() {
$login = clean($_REQUEST["login"]);
$tmp_user_pwd = make_password();
$salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$pwd_hash = encrypt_password($tmp_user_pwd, $salt, true);
$salt = UserHelper::get_salt();
$pwd_hash = UserHelper::hash_password($tmp_user_pwd, $salt, UserHelper::HASH_ALGOS[0]);
if (!$login) return; // no blank usernames

2
classes/rpc.php
View File

@ -442,7 +442,7 @@ class RPC extends Handler_Protected {
$params["default_view_limit"] = (int) get_pref(Prefs::_DEFAULT_VIEW_LIMIT);
$params["default_view_order_by"] = get_pref(Prefs::_DEFAULT_VIEW_ORDER_BY);
$params["bw_limit"] = (int) $_SESSION["bw_limit"];
$params["is_default_pw"] = Pref_Prefs::_is_default_password();
$params["is_default_pw"] = UserHelper::is_default_password();
$params["label_base_index"] = LABEL_BASE_INDEX;
$theme = get_pref(Prefs::USER_CSS_THEME);

65
classes/userhelper.php
View File

@ -3,6 +3,20 @@ use OTPHP\TOTP;
class UserHelper {
const HASH_ALGO_SSHA512 = 'SSHA-512';
const HASH_ALGO_SSHA256 = 'SSHA-256';
const HASH_ALGO_MODE2 = 'MODE2';
const HASH_ALGO_SHA1X = 'SHA1X';
const HASH_ALGO_SHA1 = 'SHA1';
const HASH_ALGOS = [
self::HASH_ALGO_SSHA512,
self::HASH_ALGO_SSHA256,
self::HASH_ALGO_MODE2,
self::HASH_ALGO_SHA1X,
self::HASH_ALGO_SHA1
];
static function authenticate(string $login = null, string $password = null, bool $check_only = false, string $service = null) {
if (!Config::get(Config::SINGLE_USER_MODE)) {
$user_id = false;
@ -190,7 +204,11 @@ class UserHelper {
session_commit();
}
static function reset_password($uid, $format_output = false) {
static function get_salt() {
return substr(bin2hex(get_random_bytes(125)), 0, 250);
}
static function reset_password($uid, $format_output = false, $new_password = "") {
$pdo = Db::pdo();
@ -201,10 +219,10 @@ class UserHelper {
$login = $row["login"];
$new_salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$tmp_user_pwd = make_password();
$new_salt = self::get_salt();
$tmp_user_pwd = $new_password ? $new_password : make_password();
$pwd_hash = encrypt_password($tmp_user_pwd, $new_salt, true);
$pwd_hash = self::hash_password($tmp_user_pwd, $new_salt, self::HASH_ALGOS[0]);
$sth = $pdo->prepare("UPDATE ttrss_users
SET pwd_hash = ?, salt = ?, otp_enabled = false
@ -276,4 +294,43 @@ class UserHelper {
return null;
}
static function is_default_password() {
$authenticator = PluginHost::getInstance()->get_plugin($_SESSION["auth_module"]);
if ($authenticator &&
method_exists($authenticator, "check_password") &&
$authenticator->check_password($_SESSION["uid"], "password")) {
return true;
}
return false;
}
static function hash_password(string $pass, string $salt, string $algo) {
$pass_hash = "";
switch ($algo) {
case self::HASH_ALGO_SHA1:
$pass_hash = sha1($pass);
break;
case self::HASH_ALGO_SHA1X:
$pass_hash = sha1("$salt:$pass");
break;
case self::HASH_ALGO_MODE2:
case self::HASH_ALGO_SSHA256:
$pass_hash = hash('sha256', $salt . $pass);
break;
case self::HASH_ALGO_SSHA512:
$pass_hash = hash('sha512', $salt . $pass);
break;
default:
user_error("hash_password: unknown hash algo: $algo", E_USER_ERROR);
}
if ($pass_hash)
return "$algo:$pass_hash";
else
return false;
}
}

10
include/functions.php
View File

@ -361,16 +361,6 @@
return vsprintf(_ngettext(array_shift($args), array_shift($args), array_shift($args)), $args);
}
function encrypt_password($pass, $salt = '', $mode2 = false) {
if ($salt && $mode2) {
return "MODE2:" . hash('sha256', $salt . $pass);
} else if ($salt) {
return "SHA1X:" . sha1("$salt:$pass");
} else {
return "SHA1:" . sha1($pass);
}
} // function encrypt_password
function init_plugins() {
PluginHost::getInstance()->load(Config::get(Config::PLUGINS), PluginHost::KIND_ALL);

17
js/PrefUsers.js
View File

@ -1,16 +1,18 @@
'use strict'
/* global __ */
/* global xhrPost, xhr, dijit, Notify, Tables, App, fox */
/* global __, xhr, dijit, Notify, Tables, App, fox */
const Users = {
reload: function(sort) {
return new Promise((resolve, reject) => {
const user_search = App.byId("user_search");
const search = user_search ? user_search.value : "";
xhr.post("backend.php", { op: "pref-users", sort: sort, search: search }, (reply) => {
dijit.byId('usersTab').attr('content', reply);
Notify.close();
resolve();
}, (e) => { reject(e) });
});
},
add: function() {
@ -20,8 +22,9 @@ const Users = {
Notify.progress("Adding user...");
xhr.post("backend.php", {op: "pref-users", method: "add", login: login}, (reply) => {
alert(reply);
Users.reload();
Users.reload().then(() => {
Notify.info(reply);
})
});
}
@ -38,9 +41,11 @@ const Users = {
if (this.validate()) {
Notify.progress("Saving data...", true);
xhr.post("backend.php", this.attr('value'), () => {
xhr.post("backend.php", this.attr('value'), (reply) => {
dialog.hide();
Users.reload();
Users.reload().then(() => {
Notify.info(reply);
});
});
}
},

15
js/common.js
View File

@ -154,7 +154,7 @@ String.prototype.stripTags = function() {
/* exported xhr */
const xhr = {
post: function(url, params = {}, complete = undefined) {
post: function(url, params = {}, complete = undefined, failed = undefined) {
console.log('xhr.post', '>>>', params);
return new Promise((resolve, reject) => {
@ -165,6 +165,9 @@ const xhr = {
postData: dojo.objectToQuery(params),
handleAs: "text",
error: function(error) {
if (failed != undefined)
failed(error);
reject(error);
},
load: function(data, ioargs) {
@ -178,7 +181,7 @@ const xhr = {
);
});
},
json: function(url, params = {}, complete = undefined) {
json: function(url, params = {}, complete = undefined, failed = undefined) {
return new Promise((resolve, reject) =>
this.post(url, params).then((data) => {
let obj = null;
@ -187,6 +190,10 @@ const xhr = {
obj = JSON.parse(data);
} catch (e) {
console.error("xhr.json", e, xhr);
if (failed != undefined)
failed(e);
reject(e);
}
@ -194,6 +201,10 @@ const xhr = {
if (obj && typeof App != "undefined")
if (!App.handleRpcJson(obj)) {
if (failed != undefined)
failed(obj);
reject(obj);
return;
}

152
plugins/auth_internal/init.php
View File

@ -19,8 +19,6 @@ class Auth_Internal extends Auth_Base {
function authenticate($login, $password, $service = '') {
$pwd_hash1 = encrypt_password($password);
$pwd_hash2 = encrypt_password($password, $login);
$otp = (int) ($_REQUEST["otp"] ?? 0);
// don't bother with null/null logins for auth_external etc
@ -135,117 +133,54 @@ class Auth_Internal extends Auth_Base {
return $user_id;
}
if ($login) {
$try_user_id = $this->find_user_by_login($login);
if ($try_user_id) {
return $this->check_password($try_user_id, $password);
}
}
return false;
}
function check_password(int $owner_uid, string $password, string $service = '') {
if (get_schema_version() > 87) {
$sth = $this->pdo->prepare("SELECT salt FROM ttrss_users WHERE LOWER(login) = LOWER(?)");
$sth->execute([$login]);
if ($row = $sth->fetch()) {
$salt = $row['salt'];
if ($salt == "") {
$sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE
LOWER(login) = LOWER(?) AND (pwd_hash = ? OR pwd_hash = ?)");
$sth->execute([$login, $pwd_hash1, $pwd_hash2]);
// verify and upgrade password to new salt base
if ($row = $sth->fetch()) {
// upgrade password to MODE2
$user_id = $row['id'];
$salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$pwd_hash = encrypt_password($password, $salt, true);
$sth = $this->pdo->prepare("UPDATE ttrss_users SET
pwd_hash = ?, salt = ? WHERE LOWER(login) = LOWER(?)");
$sth->execute([$pwd_hash, $salt, $login]);
return $user_id;
$sth = $this->pdo->prepare("SELECT salt,login,otp_enabled,pwd_hash FROM ttrss_users WHERE id = ?");
} else {
return false;
$sth = $this->pdo->prepare("SELECT login,otp_enabled,pwd_hash FROM ttrss_users WHERE id = ?");
}
} else {
$pwd_hash = encrypt_password($password, $salt, true);
$sth = $this->pdo->prepare("SELECT id
FROM ttrss_users WHERE
LOWER(login) = LOWER(?) AND pwd_hash = ?");
$sth->execute([$login, $pwd_hash]);
if ($row = $sth->fetch()) {
return $row['id'];
}
}
} else {
$sth = $this->pdo->prepare("SELECT id
FROM ttrss_users WHERE
LOWER(login) = LOWER(?) AND (pwd_hash = ? OR pwd_hash = ?)");
$sth->execute([$login, $pwd_hash1, $pwd_hash2]);
if ($row = $sth->fetch()) {
return $row['id'];
}
}
} else {
$sth = $this->pdo->prepare("SELECT id
FROM ttrss_users WHERE
LOWER(login) = LOWER(?) AND (pwd_hash = ? OR pwd_hash = ?)");
$sth->execute([$login, $pwd_hash1, $pwd_hash2]);
if ($row = $sth->fetch()) {
return $row['id'];
}
}
return false;
}
function check_password($owner_uid, $password, $service = '') {
$sth = $this->pdo->prepare("SELECT salt,login,otp_enabled FROM ttrss_users WHERE
id = ?");
$sth->execute([$owner_uid]);
if ($row = $sth->fetch()) {
$salt = $row['salt'];
$salt = $row['salt'] ?? "";
$login = $row['login'];
$pwd_hash = $row['pwd_hash'];
list ($pwd_algo, $raw_hash) = explode(":", $pwd_hash, 2);
// check app password only if service is specified
if ($service && get_schema_version() > 138) {
return $this->check_app_password($login, $password, $service);
}
if (!$salt) {
$password_hash1 = encrypt_password($password);
$password_hash2 = encrypt_password($password, $login);
$test_hash = UserHelper::hash_password($password, $salt, $pwd_algo);
$sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE
id = ? AND (pwd_hash = ? OR pwd_hash = ?)");
if (hash_equals($pwd_hash, $test_hash)) {
if ($pwd_algo != UserHelper::HASH_ALGOS[0]) {
Logger::log(E_USER_NOTICE, "Upgrading password of user $login to " . UserHelper::HASH_ALGOS[0]);
$sth->execute([$owner_uid, $password_hash1, $password_hash2]);
$new_hash = UserHelper::hash_password($password, $salt, UserHelper::HASH_ALGOS[0]);
return $sth->fetch();
} else {
$password_hash = encrypt_password($password, $salt, true);
$sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE
id = ? AND pwd_hash = ?");
$sth->execute([$owner_uid, $password_hash]);
return $sth->fetch();
if ($new_hash) {
$usth = $this->pdo->prepare("UPDATE ttrss_users SET pwd_hash = ? WHERE id = ?");
$usth->execute([$new_hash, $owner_uid]);
}
}
return $owner_uid;
}
}
@ -256,14 +191,15 @@ class Auth_Internal extends Auth_Base {
if ($this->check_password($owner_uid, $old_password)) {
$new_salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$new_password_hash = encrypt_password($new_password, $new_salt, true);
$new_salt = UserHelper::get_salt();
$new_password_hash = UserHelper::hash_password($new_password, $new_salt, UserHelper::HASH_ALGOS[0]);
$sth = $this->pdo->prepare("UPDATE ttrss_users SET
pwd_hash = ?, salt = ?, otp_enabled = false
WHERE id = ?");
$sth->execute([$new_password_hash, $new_salt, $owner_uid]);
if ($_SESSION["uid"] ?? 0 == $owner_uid)
$_SESSION["pwd_hash"] = $new_password_hash;
$sth = $this->pdo->prepare("SELECT email, login FROM ttrss_users WHERE id = ?");
@ -303,19 +239,27 @@ class Auth_Internal extends Auth_Base {
$sth->execute([$login, $service]);
while ($row = $sth->fetch()) {
list ($algo, $hash, $salt) = explode(":", $row["pwd_hash"]);
list ($pwd_algo, $raw_hash, $salt) = explode(":", $row["pwd_hash"]);
if ($algo == "SSHA-512") {
$test_hash = hash('sha512', $salt . $password);
$test_hash = UserHelper::hash_password($password, $salt, $pwd_algo);
if ($test_hash == $hash) {
if (hash_equals("$pwd_algo:$raw_hash", $test_hash)) {
$usth = $this->pdo->prepare("UPDATE ttrss_app_passwords SET last_used = NOW() WHERE id = ?");
$usth->execute([$row['id']]);
return $row['uid'];
if ($pwd_algo != UserHelper::HASH_ALGOS[0]) {
// upgrade password to current algo
Logger::log(E_USER_NOTICE, "Upgrading app password of user $login to " . UserHelper::HASH_ALGOS[0]);
$new_hash = UserHelper::hash_password($password, $salt, UserHelper::HASH_ALGOS[0]);
if ($new_hash) {
$usth = $this->pdo->prepare("UPDATE ttrss_app_passwords SET pwd_hash = ? WHERE id = ?");
$usth->execute(["$new_hash:$salt", $row['id']]);
}
} else {
user_error("Got unknown algo of app password for user $login: $algo");
}
return $row['uid'];
}
}