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# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Terry Weissman <terry@mozilla.org>
# Dan Mosedale <dmose@mozilla.org>
# Joe Robins <jmrobins@tgix.com>
# Dave Miller <justdave@syndicomm.com>
# Christopher Aillon <christopher@aillon.com>
# Gervase Markham <gerv@gerv.net>
# Christian Reis <kiko@async.com.br>
# Bradley Baetz <bbaetz@acm.org>
# Erik Stambaugh <erik@dasbistro.com>
# Max Kanat-Alexander <mkanat@bugzilla.org>
package Bugzilla::Auth::Persist::Cookie;
use strict;
use fields qw();
use Bugzilla::Constants;
use Bugzilla::Util;
use Bugzilla::Token;
use List::Util qw(first);
sub new {
my ($class) = @_;
my $self = fields::new($class);
return $self;
}
sub persist_login {
my ($self, $user) = @_;
my $dbh = Bugzilla->dbh;
my $cgi = Bugzilla->cgi;
my $ip_addr = $cgi->remote_addr;
unless ($cgi->param('Bugzilla_restrictlogin') ||
Bugzilla->params->{'loginnetmask'} == 32)
{
$ip_addr = get_netaddr($ip_addr);
}
# The IP address is valid, at least for comparing with itself in a
# subsequent login
trick_taint($ip_addr);
$dbh->bz_start_transaction();
my $login_cookie =
Bugzilla::Token::GenerateUniqueToken('logincookies', 'cookie');
$dbh->do("INSERT INTO logincookies (cookie, userid, ipaddr, lastused)
VALUES (?, ?, ?, NOW())",
undef, $login_cookie, $user->id, $ip_addr);
# Issuing a new cookie is a good time to clean up the old
# cookies.
$dbh->do("DELETE FROM logincookies WHERE lastused < LOCALTIMESTAMP(0) - "
. $dbh->sql_interval(MAX_LOGINCOOKIE_AGE, 'DAY'));
$dbh->bz_commit_transaction();
# Prevent JavaScript from accessing login cookies.
my %cookieargs = ('-httponly' => 1);
# Remember cookie only if admin has told so
# or admin didn't forbid it and user told to remember.
if ( Bugzilla->params->{'rememberlogin'} eq 'on' ||
(Bugzilla->params->{'rememberlogin'} ne 'off' &&
$cgi->param('Bugzilla_remember') &&
$cgi->param('Bugzilla_remember') eq 'on') )
{
# Not a session cookie, so set an infinite expiry
$cookieargs{'-expires'} = 'Fri, 01-Jan-2038 00:00:00 GMT';
}
if (Bugzilla->params->{'ssl'} ne 'never'
&& Bugzilla->params->{'sslbase'} ne '')
{
# Bugzilla->login will automatically redirect to https://,
# so it's safe to turn on the 'secure' bit.
$cookieargs{'-secure'} = 1;
}
$cgi->send_cookie(-name => 'Bugzilla_login',
-value => $user->id,
%cookieargs);
$cgi->send_cookie(-name => 'Bugzilla_logincookie',
-value => $login_cookie,
%cookieargs);
}
sub logout {
my ($self, $param) = @_;
my $dbh = Bugzilla->dbh;
my $cgi = Bugzilla->cgi;
$param = {} unless $param;
my $user = $param->{user} || Bugzilla->user;
my $type = $param->{type} || LOGOUT_ALL;
if ($type == LOGOUT_ALL) {
$dbh->do("DELETE FROM logincookies WHERE userid = ?",
undef, $user->id);
return;
}
# The LOGOUT_*_CURRENT options require the current login cookie.
# If a new cookie has been issued during this run, that's the current one.
# If not, it's the one we've received.
my $cookie = first {$_->name eq 'Bugzilla_logincookie'}
@{$cgi->{'Bugzilla_cookie_list'}};
my $login_cookie;
if ($cookie) {
$login_cookie = $cookie->value;
}
else {
$login_cookie = $cgi->cookie("Bugzilla_logincookie");
}
trick_taint($login_cookie);
# These queries use both the cookie ID and the user ID as keys. Even
# though we know the userid must match, we still check it in the SQL
# as a sanity check, since there is no locking here, and if the user
# logged out from two machines simultaneously, while someone else
# logged in and got the same cookie, we could be logging the other
# user out here. Yes, this is very very very unlikely, but why take
# chances? - bbaetz
if ($type == LOGOUT_KEEP_CURRENT) {
$dbh->do("DELETE FROM logincookies WHERE cookie != ? AND userid = ?",
undef, $login_cookie, $user->id);
} elsif ($type == LOGOUT_CURRENT) {
$dbh->do("DELETE FROM logincookies WHERE cookie = ? AND userid = ?",
undef, $login_cookie, $user->id);
} else {
die("Invalid type $type supplied to logout()");
}
if ($type != LOGOUT_KEEP_CURRENT) {
clear_browser_cookies();
}
}
sub clear_browser_cookies {
my $cgi = Bugzilla->cgi;
$cgi->remove_cookie('Bugzilla_login');
$cgi->remove_cookie('Bugzilla_logincookie');
$cgi->remove_cookie('sudo');
}
1;
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