change the way magic-auth works - we rarely need a destination channel and if that channel has problems
it shouldn't mess up authentication to the hub.
This commit is contained in:
friendica
parent
dd6c64f95a
commit
fa8f26c544
233
mod/post.php
233
mod/post.php
@ -15,140 +15,139 @@ function post_init(&$a) {
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// as a get request, and the only communications to arrive this way.
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if(argc() > 1) {
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$webbie = argv(1);
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}
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if(array_key_exists('auth',$_REQUEST)) {
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logger('mod_zot: auth request received.');
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$address = $_REQUEST['auth'];
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$dest = $_REQUEST['dest'];
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$sec = $_REQUEST['sec'];
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$version = $_REQUEST['version'];
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if(array_key_exists('auth',$_REQUEST)) {
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logger('mod_zot: auth request received.');
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$address = $_REQUEST['auth'];
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$dest = $_REQUEST['dest'];
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$sec = $_REQUEST['sec'];
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$version = $_REQUEST['version'];
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switch($dest) {
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case 'channel':
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$desturl = z_root() . '/channel/' . $webbie;
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break;
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case 'photos':
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$desturl = z_root() . '/photos/' . $webbie;
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break;
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case 'profile':
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$desturl = z_root() . '/profile/' . $webbie;
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break;
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default:
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$desturl = $dest;
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break;
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}
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switch($dest) {
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case 'channel':
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$desturl = z_root() . '/channel/' . $webbie;
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break;
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case 'photos':
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$desturl = z_root() . '/photos/' . $webbie;
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break;
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case 'profile':
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$desturl = z_root() . '/profile/' . $webbie;
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break;
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default:
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$desturl = $dest;
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break;
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}
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if($webbie) {
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$c = q("select * from channel where channel_address = '%s' limit 1",
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dbesc($webbie)
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);
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if(! $c) {
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logger('mod_zot: auth: unable to find channel ' . $webbie);
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// They'll get a notice when they hit the page, we don't need two of them.
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goaway($desturl);
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// In fact we only need the name to map the destination, auth can proceed
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// without it.
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// goaway($desturl);
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}
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}
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// Try and find a hubloc for the person attempting to auth
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$x = q("select * from hubloc left join xchan on xchan_hash = hubloc_hash where hubloc_addr = '%s' order by hubloc_id desc limit 1",
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dbesc($address)
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);
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// Try and find a hubloc for the person attempting to auth
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$x = q("select * from hubloc left join xchan on xchan_hash = hubloc_hash where hubloc_addr = '%s' order by hubloc_id desc limit 1",
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dbesc($address)
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);
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if(! $x) {
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// finger them if they can't be found.
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$ret = zot_finger($address,null);
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if($ret['success']) {
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$j = json_decode($ret['body'],true);
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if($j)
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import_xchan($j);
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$x = q("select * from hubloc left join xchan on xchan_hash = hubloc_hash where hubloc_addr = '%s' order by hubloc_id desc limit 1",
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dbesc($address)
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);
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}
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}
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if(! $x) {
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logger('mod_zot: auth: unable to finger ' . $address);
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goaway($desturl);
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}
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logger('mod_zot: auth request received from ' . $x[0]['xchan_addr'] . ' for ' . $webbie);
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// check credentials and access
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// If they are already authenticated and haven't changed credentials,
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// we can save an expensive network round trip and improve performance.
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$remote = remote_user();
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$result = null;
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$already_authed = ((($remote) && ($x[0]['hubloc_hash'] == $remote)) ? true : false);
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if(! $already_authed) {
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// Auth packets MUST use ultra top-secret hush-hush mode
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$p = zot_build_packet($c[0],$type = 'auth_check',
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array(array('guid' => $x[0]['hubloc_guid'],'guid_sig' => $x[0]['hubloc_guid_sig'])),
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$x[0]['hubloc_sitekey'], $sec);
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$result = zot_zot($x[0]['hubloc_callback'],$p);
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if(! $result['success']) {
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logger('mod_zot: auth_check callback failed.');
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goaway($desturl);
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}
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$j = json_decode($result['body'],true);
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}
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if($already_authed || $j['success']) {
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if($j['success']) {
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// legit response, but we do need to check that this wasn't answered by a man-in-middle
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if(! rsa_verify($sec . $x[0]['xchan_hash'],base64url_decode($j['confirm']),$x[0]['xchan_pubkey'])) {
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logger('mod_zot: auth: final confirmation failed.');
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goaway($desturl);
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}
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}
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// everything is good... maybe
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if(local_user()) {
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// tell them to logout if they're logged in locally as anything but the target remote account
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// in which case just shut up because they don't need to be doing this at all.
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if($a->channel['channel_hash'] != $x[0]['xchan_hash']) {
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logger('mod_zot: auth: already authenticated locally as somebody else.');
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notice( t('Remote authentication blocked. You are logged into this site locally. Please logout and retry.') . EOL);
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}
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goaway($desturl);
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}
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// log them in
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$_SESSION['authenticated'] = 1;
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$_SESSION['visitor_id'] = $x[0]['xchan_hash'];
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$_SESSION['my_address'] = $address;
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$arr = array('xchan' => $x[0], 'url' => $desturl, 'channel_address' => $webbie);
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call_hooks('magic_auth_success',$arr);
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$a->set_observer($x[0]);
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require_once('include/security.php');
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$a->set_groups(init_groups_visitor($_SESSION['visitor_id']));
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info(sprintf( t('Welcome %s. Remote authentication successful.'),$x[0]['xchan_name']));
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logger('mod_zot: auth success from ' . $x[0]['xchan_addr'] . ' for ' . $webbie);
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} else {
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logger('mod_zot: still not authenticated: ' . $x[0]['xchan_addr']);
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q("update hubloc set hubloc_status = (hubloc_status | %d ) where hubloc_addr = '%s'",
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intval(HUBLOC_RECEIVE_ERROR),
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dbesc($x[0]['xchan_addr'])
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if(! $x) {
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// finger them if they can't be found.
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$ret = zot_finger($address,null);
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if($ret['success']) {
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$j = json_decode($ret['body'],true);
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if($j)
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import_xchan($j);
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$x = q("select * from hubloc left join xchan on xchan_hash = hubloc_hash where hubloc_addr = '%s' order by hubloc_id desc limit 1",
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dbesc($address)
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);
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}
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// FIXME - we really want to save the return_url in the session before we visit rmagic.
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// This does however prevent a recursion if you visit rmagic directly, as it would otherwise send you back here again.
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// But z_root() probably isn't where you really want to go.
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if(strstr($desturl,z_root() . '/rmagic'))
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goaway(z_root());
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}
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if(! $x) {
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logger('mod_zot: auth: unable to finger ' . $address);
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goaway($desturl);
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}
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logger('mod_zot: invalid args: ' . print_r($a->argv,true));
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killme();
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}
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logger('mod_zot: auth request received from ' . $x[0]['xchan_addr'] . ' for ' . (($webbie) ? $webbie : 'undefined'));
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// check credentials and access
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// If they are already authenticated and haven't changed credentials,
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// we can save an expensive network round trip and improve performance.
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$remote = remote_user();
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$result = null;
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$already_authed = ((($remote) && ($x[0]['hubloc_hash'] == $remote)) ? true : false);
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if(! $already_authed) {
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// Auth packets MUST use ultra top-secret hush-hush mode
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$p = zot_build_packet($c[0],$type = 'auth_check',
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array(array('guid' => $x[0]['hubloc_guid'],'guid_sig' => $x[0]['hubloc_guid_sig'])),
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$x[0]['hubloc_sitekey'], $sec);
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$result = zot_zot($x[0]['hubloc_callback'],$p);
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if(! $result['success']) {
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logger('mod_zot: auth_check callback failed.');
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goaway($desturl);
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}
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$j = json_decode($result['body'],true);
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}
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if($already_authed || $j['success']) {
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if($j['success']) {
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// legit response, but we do need to check that this wasn't answered by a man-in-middle
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if(! rsa_verify($sec . $x[0]['xchan_hash'],base64url_decode($j['confirm']),$x[0]['xchan_pubkey'])) {
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logger('mod_zot: auth: final confirmation failed.');
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goaway($desturl);
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}
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}
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// everything is good... maybe
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if(local_user()) {
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// tell them to logout if they're logged in locally as anything but the target remote account
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// in which case just shut up because they don't need to be doing this at all.
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if($a->channel['channel_hash'] != $x[0]['xchan_hash']) {
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logger('mod_zot: auth: already authenticated locally as somebody else.');
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notice( t('Remote authentication blocked. You are logged into this site locally. Please logout and retry.') . EOL);
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}
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goaway($desturl);
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}
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// log them in
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$_SESSION['authenticated'] = 1;
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$_SESSION['visitor_id'] = $x[0]['xchan_hash'];
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$_SESSION['my_address'] = $address;
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$arr = array('xchan' => $x[0], 'url' => $desturl, 'channel_address' => $webbie);
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call_hooks('magic_auth_success',$arr);
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$a->set_observer($x[0]);
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require_once('include/security.php');
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$a->set_groups(init_groups_visitor($_SESSION['visitor_id']));
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info(sprintf( t('Welcome %s. Remote authentication successful.'),$x[0]['xchan_name']));
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logger('mod_zot: auth success from ' . $x[0]['xchan_addr'] . ' for ' . $webbie);
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} else {
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logger('mod_zot: still not authenticated: ' . $x[0]['xchan_addr']);
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q("update hubloc set hubloc_status = (hubloc_status | %d ) where hubloc_addr = '%s'",
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intval(HUBLOC_RECEIVE_ERROR),
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dbesc($x[0]['xchan_addr'])
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);
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}
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// FIXME - we really want to save the return_url in the session before we visit rmagic.
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// This does however prevent a recursion if you visit rmagic directly, as it would otherwise send you back here again.
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// But z_root() probably isn't where you really want to go.
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if(strstr($desturl,z_root() . '/rmagic'))
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goaway(z_root());
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goaway($desturl);
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}
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return;
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}
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@ -1 +1 @@
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2013-11-17.500
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2013-11-18.501
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