converging on a workable crypto auth handshake

This commit is contained in:
friendica 2012-12-14 00:45:30 -08:00
parent ecce0f0e21
commit d39fb9b1d5
4 changed files with 55 additions and 4 deletions

View file

@ -17,7 +17,7 @@ define ( 'FRIENDICA_PLATFORM', 'Friendica Red');
define ( 'FRIENDICA_VERSION', trim(file_get_contents('version.inc')) . 'R');
define ( 'DFRN_PROTOCOL_VERSION', '2.23' );
define ( 'ZOT_REVISION', 1 );
define ( 'DB_UPDATE_VERSION', 1001 );
define ( 'DB_UPDATE_VERSION', 1002 );
define ( 'EOL', "<br />\r\n" );
define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );

View file

@ -894,6 +894,21 @@ CREATE TABLE IF NOT EXISTS `tokens` (
KEY `uid` (`uid`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
CREATE TABLE IF NOT EXISTS `verify` (
`id` int(10) unsigned NOT NULL,
`channel` int(10) unsigned NOT NULL DEFAULT '0',
`type` char(32) NOT NULL DEFAULT '',
`token` char(255) NOT NULL DEFAULT '',
`meta` char(255) NOT NULL DEFAULT '',
`created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
PRIMARY KEY (`id`),
KEY `channel` (`channel`),
KEY `type` (`type`),
KEY `token` (`token`),
KEY `meta` (`meta`),
KEY `created` (`created`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
CREATE TABLE IF NOT EXISTS `xchan` (
`xchan_hash` char(255) NOT NULL,
`xchan_guid` char(255) NOT NULL DEFAULT '',

View file

@ -1,6 +1,6 @@
<?php
define( 'UPDATE_VERSION' , 1001 );
define( 'UPDATE_VERSION' , 1002 );
/**
*
@ -43,3 +43,21 @@ function update_r1000() {
}
function update_r1001() {
$r = q("CREATE TABLE if not exists `verify` (
`id` INT(10) UNSIGNED NOT NULL ,
`channel` INT(10) UNSIGNED NOT NULL DEFAULT '0',
`type` CHAR( 32 ) NOT NULL DEFAULT '',
`token` CHAR( 255 ) NOT NULL DEFAULT '',
`meta` CHAR( 255 ) NOT NULL DEFAULT '',
`created` DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00',
PRIMARY KEY ( `id` )
) ENGINE = MYISAM ");
$r2 = q("alter table `verify` add index (`channel`), add index (`type`), add index (`token`),
add index (`meta`), add index (`created`)");
if($r && $r2)
return UPDATE_SUCCESS;
return UPDATE_FAILED;
}

View file

@ -49,9 +49,21 @@ function magic_init(&$a) {
// Just redirect.
goaway($desturl);
}
$token = random_string();
$recip = array(array('guid' => $x[0]['hubloc_guid'],'guid_sig' => $x[0]['hubloc_guid_sig']));
$channel = $a->get_channel();
$hash = random_string();
$r = q("insert into verify ( type, channel, token, meta, created) values ('%s','%d','%s','%s','%s')",
dbesc('auth'),
intval($channel['channel_id']),
dbesc($token),
dbesc($hubloc['hubloc_hash']),
dbesc(datetime_convert())
);
$packet = zot_build_packet($channel,'auth',$recip,$x[0]['hubloc_sitekey'],$hash);
$result = zot_zot($x[0]['hubloc_callback'],$packet);
if($result['success']) {
@ -60,8 +72,14 @@ function magic_init(&$a) {
$y = aes_unencapsulate($j,$channel['prvkey']);
$j = json_decode($y,true);
}
if($y['token'])
goaway($x[0]['callback'] . '?f=&token=' . $token . '&dest=' . $dest);
if($j['token'] && $j['ticket'] && $j['token'] === $token) {
$r = q("delete from verify where token = '%s' and type = '%s' and channel = %d limit 1",
dbesc($token),
dbesc('auth'),
intval($channel['channel_id'])
);
goaway($x[0]['callback'] . '?f=&ticket=' . $ticket . '&dest=' . $dest);
}
}
goaway($dest);
}