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<?php
class Auth_Internal extends Auth_Base {
function authenticate($login, $password) {
$pwd_hash1 = encrypt_password($password);
$pwd_hash2 = encrypt_password($password, $login);
$login = db_escape_string($login);
if (get_schema_version($this->link) > 87) {
$result = db_query($this->link, "SELECT salt FROM ttrss_users WHERE
login = '$login'");
if (db_num_rows($result) != 1) {
return false;
}
$salt = db_fetch_result($result, 0, "salt");
if ($salt == "") {
$query = "SELECT id
FROM ttrss_users WHERE
login = '$login' AND (pwd_hash = '$pwd_hash1' OR
pwd_hash = '$pwd_hash2')";
// verify and upgrade password to new salt base
$result = db_query($this->link, $query);
if (db_num_rows($result) == 1) {
// upgrade password to MODE2
$salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$pwd_hash = encrypt_password($password, $salt, true);
db_query($this->link, "UPDATE ttrss_users SET
pwd_hash = '$pwd_hash', salt = '$salt' WHERE login = '$login'");
$query = "SELECT id
FROM ttrss_users WHERE
login = '$login' AND pwd_hash = '$pwd_hash'";
} else {
return false;
}
} else {
$pwd_hash = encrypt_password($password, $salt, true);
$query = "SELECT id
FROM ttrss_users WHERE
login = '$login' AND pwd_hash = '$pwd_hash'";
}
} else {
$query = "SELECT id
FROM ttrss_users WHERE
login = '$login' AND (pwd_hash = '$pwd_hash1' OR
pwd_hash = '$pwd_hash2')";
}
$result = db_query($this->link, $query);
if (db_num_rows($result) == 1) {
return db_fetch_result($result, 0, "id");
}
return false;
}
function change_password($owner_uid, $old_password, $new_password) {
$owner_uid = db_escape_string($owner_uid);
$result = db_query($this->link, "SELECT salt,login FROM ttrss_users WHERE
id = '$owner_uid'");
$salt = db_fetch_result($result, 0, "salt");
$login = db_fetch_result($result, 0, "login");
if (!$salt) {
$old_password_hash1 = encrypt_password($old_password);
$old_password_hash2 = encrypt_password($old_password, $login);
$query = "SELECT id FROM ttrss_users WHERE
id = '$owner_uid' AND (pwd_hash = '$old_password_hash1' OR
pwd_hash = '$old_password_hash2')";
} else {
$old_password_hash = encrypt_password($old_password, $salt, true);
$query = "SELECT id FROM ttrss_users WHERE
id = '$owner_uid' AND pwd_hash = '$old_password_hash'";
}
$result = db_query($this->link, $query);
if (db_num_rows($result) == 1) {
$new_salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
$new_password_hash = encrypt_password($new_password, $new_salt, true);
db_query($this->link, "UPDATE ttrss_users SET
pwd_hash = '$new_password_hash', salt = '$new_salt'
WHERE id = '$owner_uid'");
$_SESSION["pwd_hash"] = $new_password_hash;
return __("Password has been changed.");
} else {
return "ERROR: ".__('Old password is incorrect.');
}
}
}
?>
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