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-rw-r--r--Zotlabs/Module/Channel.php44
1 files changed, 44 insertions, 0 deletions
diff --git a/Zotlabs/Module/Channel.php b/Zotlabs/Module/Channel.php
index f1537ed15..12d87885f 100644
--- a/Zotlabs/Module/Channel.php
+++ b/Zotlabs/Module/Channel.php
@@ -6,6 +6,8 @@ namespace Zotlabs\Module;
use App;
use Zotlabs\Web\Controller;
use Zotlabs\Lib\PermissionDescription;
+use Zotlabs\Zot6\HTTPSig;
+use Zotlabs\Lib\Libzot;
require_once('include/items.php');
require_once('include/security.php');
@@ -44,6 +46,48 @@ class Channel extends Controller {
$channel = App::get_channel();
if((local_channel()) && (argc() > 2) && (argv(2) === 'view')) {
+ $which = $channel['channel_address'];
+ $profile = argv(1);
+ }
+
+ $channel = channelx_by_nick($which);
+ if(! $channel) {
+ http_status_exit(404, 'Not found');
+ }
+
+ // handle zot6 channel discovery
+
+ if(Libzot::is_zot_request()) {
+
+ $sigdata = HTTPSig::verify(file_get_contents('php://input'));
+
+ if($sigdata && $sigdata['signer'] && $sigdata['header_valid']) {
+ $data = json_encode(Libzot::zotinfo([ 'address' => $channel['channel_address'], 'target_url' => $sigdata['signer'] ]));
+ $s = q("select site_crypto, hubloc_sitekey from site left join hubloc on hubloc_url = site_url where hubloc_id_url = '%s' and hubloc_network = 'zot6' limit 1",
+ dbesc($sigdata['signer'])
+ );
+
+ if($s) {
+ $data = json_encode(crypto_encapsulate($data,$s[0]['hubloc_sitekey'],Libzot::best_algorithm($s[0]['site_crypto'])));
+ }
+ }
+ else {
+ $data = json_encode(Libzot::zotinfo([ 'address' => $channel['channel_address'] ]));
+ }
+
+ $headers = [
+ 'Content-Type' => 'application/x-zot+json',
+ 'Digest' => HTTPSig::generate_digest_header($data),
+ '(request-target)' => strtolower($_SERVER['REQUEST_METHOD']) . ' ' . $_SERVER['REQUEST_URI']
+ ];
+ $h = HTTPSig::create_sig($headers,$channel['channel_prvkey'],channel_url($channel));
+ HTTPSig::set_headers($h);
+ echo $data;
+ killme();
+ }
+
+
+ if((local_channel()) && (argc() > 2) && (argv(2) === 'view')) {
$which = $channel['channel_address'];
$profile = argv(1);
}