event compatibility work

1 files changed, 76 insertions, 0 deletions

diff --git a/Zotlabs/Module/Event.php b/Zotlabs/Module/Event.php
new file mode 100644
index 000000000..22a1341cc
--- /dev/null
+++ b/Zotlabs/Module/Event.php
@@ -0,0 +1,76 @@
+<?php
+namespace Zotlabs\Module;
+
+use Zotlabs\Web\Controller;
+use Zotlabs\Lib\ActivityStreams;
+use Zotlabs\Lib\Activity;
+use Zotlabs\Lib\LDSignatures;
+use Zotlabs\Web\HTTPSig;
+
+class Event extends Controller {
+
+	function init() {
+
+		if(ActivityStreams::is_as_request()) {
+			$item_id = argv(1);
+
+			if(! $item_id)
+				return;
+
+			$item_normal = " and item.item_hidden = 0 and item.item_type = 0 and item.item_unpublished = 0 
+				and item.item_delayed = 0 and item.item_blocked = 0 ";
+
+			$sql_extra = item_permissions_sql(0);
+
+			$r = q("select * from item where mid like '%s' $item_normal $sql_extra limit 1",
+				dbesc(z_root() . '/activity/' . $item_id . '%')
+			);
+
+			if(! $r) {
+				$r = q("select * from item where mid like '%s' $item_normal limit 1",
+					dbesc(z_root() . '/activity/' . $item_id . '%')
+				);
+
+				if($r) {
+					http_status_exit(403, 'Forbidden');
+				}
+				http_status_exit(404, 'Not found');
+			}
+
+			xchan_query($r,true);
+			$items = fetch_post_tags($r,true);
+
+			$channel = channelx_by_n($items[0]['uid']);
+
+			if(! is_array($items[0]['obj'])) {
+				$obj = json_decode($items[0]['obj'],true);
+			}
+			else {
+				$obj = $items[0]['obj'];
+			}
+
+			$x = array_merge(['@context' => [
+				ACTIVITYSTREAMS_JSONLD_REV,
+				'https://w3id.org/security/v1',
+				z_root() . ZOT_APSCHEMA_REV
+				]], $obj );
+
+			$headers = [];
+			$headers['Content-Type'] = 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"' ;
+			$x['signature'] = LDSignatures::sign($x,$channel);
+			$ret = json_encode($x, JSON_UNESCAPED_SLASHES);
+			$headers['Date'] = datetime_convert('UTC','UTC', 'now', 'D, d M Y H:i:s \\G\\M\\T');
+			$headers['Digest'] = HTTPSig::generate_digest_header($ret);
+			$headers['(request-target)'] = strtolower($_SERVER['REQUEST_METHOD']) . ' ' . $_SERVER['REQUEST_URI'];
+
+			$h = HTTPSig::create_sig($headers,$channel['channel_prvkey'],channel_url($channel));
+			HTTPSig::set_headers($h);
+
+			echo $ret;
+			killme();
+
+		}
+
+	}
+
+}
\ No newline at end of file