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start of a framework for forward magic auth, need a lot more coffee to write the other side and even more to write the reverse direction.

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This commit is contained in:
friendica 2012-12-13 20:00:50 -08:00
parent 2ec79dbe9d
commit ecce0f0e21
1 changed files with 15 additions and 57 deletions
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70
mod/magic.php
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@ -49,63 +49,21 @@ function magic_init(&$a) {
// Just redirect.
goaway($desturl);
}
$cid = $argv(1);
$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($cid),
intval(local_user())
);
if(! ($r && count($r)))
goaway(z_root());
$sec = random_string();
// Here's how it works in zot... still a fair bit of code to write
// Create a random tracking code and store it
// Originator (us) redirects to remote connect url with callback URL and tracking code.
// Remote calls us back asynchronously to verify we sent the tracking code.
// Reply with a json document providing the identity details
// Remote verifies these match a known identity and the site matches a known location
// (especially including the current location)
// Once that has happened, the original redirect will be given an authenticated session
// and redirected to the chosen page.
q("INSERT INTO `profile_check` ( `uid`, `cid`, `dfrn_id`, `sec`, `expire`)
VALUES( %d, %s, '%s', '%s', %d )",
intval(local_user()),
intval($cid),
dbesc($dfrn_id),
dbesc($sec),
intval(time() + 45)
);
$local_callback = z_root() . '/auth';
logger('mod_magic: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG);
$dest = (($url) ? '&url=' . urlencode($url) : '');
goaway ($hubloc['hubloc_connect'] . "?f=&cb=" . urlencode($local_callback) . $dest . "&token=" . $token);
$recip = array(array('guid' => $x[0]['hubloc_guid'],'guid_sig' => $x[0]['hubloc_guid_sig']));
$channel = $a->get_channel();
$hash = random_string();
$packet = zot_build_packet($channel,'auth',$recip,$x[0]['hubloc_sitekey'],$hash);
$result = zot_zot($x[0]['hubloc_callback'],$packet);
if($result['success']) {
$j = json_decode($result['body'],true);
if($j['iv']) {
$y = aes_unencapsulate($j,$channel['prvkey']);
$j = json_decode($y,true);
}
if(local_user())
$handle = $a->user['nickname'] . '@' . substr($a->get_baseurl(),strpos($a->get_baseurl(),'://')+3);
if(remote_user())
$handle = $_SESSION['handle'];
if($url) {
$url = str_replace('{zid}','&zid=' . $handle,$url);
goaway($url);
if($y['token'])
goaway($x[0]['callback'] . '?f=&token=' . $token . '&dest=' . $dest);
}
goaway($dest);
}
goaway(z_root());