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-rw-r--r--Zotlabs/Lib/ThreadListener.php53
-rw-r--r--Zotlabs/Module/Item.php144
-rwxr-xr-xinclude/items.php19
3 files changed, 216 insertions, 0 deletions
diff --git a/Zotlabs/Lib/ThreadListener.php b/Zotlabs/Lib/ThreadListener.php
new file mode 100644
index 000000000..ad682aac8
--- /dev/null
+++ b/Zotlabs/Lib/ThreadListener.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace Zotlabs\Lib;
+
+class ThreadListener {
+
+ static public function store($target_id,$portable_id,$ltype = 0) {
+ $x = self::fetch($target_id,$portable_id,$ltype = 0);
+ if(! $x) {
+ $r = q("insert into listeners ( target_id, portable_id, ltype ) values ( '%s', '%s' , %d ) ",
+ dbesc($target_id),
+ dbesc($portable_id),
+ intval($ltype)
+ );
+ }
+ }
+
+ static public function fetch($target_id,$portable_id,$ltype = 0) {
+ $x = q("select * from listeners where target_id = '%s' and portable_id = '%s' and ltype = %d limit 1",
+ dbesc($target_id),
+ dbesc($portable_id),
+ intval($ltype)
+ );
+ if($x) {
+ return $x[0];
+ }
+ return false;
+ }
+
+ static public function fetch_by_target($target_id,$ltype = 0) {
+ $x = q("select * from listeners where target_id = '%s' and ltype = %d limit 1",
+ dbesc($target_id),
+ intval($ltype)
+ );
+
+ return $x;
+ }
+
+ static public function delete_by_target($target_id, $ltype = 0) {
+ return q("delete from listeners where target_id = '%s' and ltype = %d",
+ dbesc($target_id),
+ intval($ltype)
+ );
+ }
+
+ static public function delete_by_pid($portable_id, $ltype = 0) {
+ return q("delete from listeners where portable_id = '%s' and ltype = %d",
+ dbesc($portable_id),
+ intval($ltype)
+ );
+ }
+
+} \ No newline at end of file
diff --git a/Zotlabs/Module/Item.php b/Zotlabs/Module/Item.php
index f19d4907b..843be394f 100644
--- a/Zotlabs/Module/Item.php
+++ b/Zotlabs/Module/Item.php
@@ -6,6 +6,12 @@ use Zotlabs\Lib\IConfig;
use Zotlabs\Lib\Enotify;
use Zotlabs\Web\Controller;
use Zotlabs\Daemon\Master;
+use Zotlabs\Lib\Activity;
+use Zotlabs\Lib\ActivityStreams;
+use Zotlabs\Lib\LDSignatures;
+use Zotlabs\Zot6\HTTPSig;
+use Zotlabs\Lib\Libzot;
+use Zotlabs\Lib\ThreadListener;
require_once('include/crypto.php');
require_once('include/items.php');
@@ -30,6 +36,144 @@ require_once('include/security.php');
class Item extends Controller {
+
+ function init() {
+
+ if(Libzot::is_zot_request()) {
+
+ $conversation = false;
+
+ $item_id = argv(1);
+
+ if(! $item_id)
+ http_status_exit(404, 'Not found');
+
+
+ $portable_id = EMPTY_STR;
+
+ $sigdata = HTTPSig::verify(EMPTY_STR);
+ if($sigdata['portable_id'] && $sigdata['header_valid']) {
+ $portable_id = $sigdata['portable_id'];
+ }
+
+ $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 = '%s' $item_normal $sql_extra limit 1",
+ dbesc(z_root() . '/item/' . $item_id)
+ );
+ if(! $r) {
+
+
+ $r = q("select * from item where mid = '%s' $item_normal limit 1",
+ dbesc(z_root() . '/item/' . $item_id)
+ );
+ if($r) {
+ http_status_exit(403, 'Forbidden');
+ }
+ http_status_exit(404, 'Not found');
+ }
+
+
+ $items = q("select parent as item_id from item where mid = '%s' and uid = %d $item_normal $sql_extra ",
+ dbesc($r[0]['parent_mid']),
+ intval($r[0]['uid'])
+ );
+ if(! $items) {
+ http_status_exit(404, 'Not found');
+ }
+
+ $r = $items;
+
+ $parents_str = ids_to_querystr($r,'item_id');
+
+ $items = q("SELECT item.*, item.id AS item_id FROM item WHERE item.parent IN ( %s ) $item_normal $sql_extra ",
+ dbesc($parents_str)
+ );
+
+ if(! $items) {
+ http_status_exit(404, 'Not found');
+ }
+
+ $r = $items;
+ xchan_query($r,true);
+ $items = fetch_post_tags($r,true);
+
+ $observer = App::get_observer();
+ $parent = $items[0];
+ $recips = (($parent['owner']['xchan_network'] === 'activitypub') ? get_iconfig($parent['id'],'activitypub','recips', []) : []);
+ $to = (($recips && array_key_exists('to',$recips) && is_array($recips['to'])) ? $recips['to'] : null);
+ $nitems = [];
+ foreach($items as $i) {
+
+ $mids = [];
+
+ if(intval($i['item_private'])) {
+ if(! $observer) {
+ continue;
+ }
+ // ignore private reshare, possibly from hubzilla
+ if($i['verb'] === 'Announce') {
+ if(! in_array($i['thr_parent'],$mids)) {
+ $mids[] = $i['thr_parent'];
+ }
+ continue;
+ }
+ // also ignore any children of the private reshares
+ if(in_array($i['thr_parent'],$mids)) {
+ continue;
+ }
+
+ if((! $to) || (! in_array($observer['xchan_url'],$to))) {
+ continue;
+ }
+
+ }
+ $nitems[] = $i;
+ }
+
+ if(! $nitems)
+ http_status_exit(404, 'Not found');
+
+ $chan = channelx_by_n($nitems[0]['uid']);
+
+ if(! $chan)
+ http_status_exit(404, 'Not found');
+
+ if(! perm_is_allowed($chan['channel_id'],get_observer_hash(),'view_stream'))
+ http_status_exit(403, 'Forbidden');
+
+ $i = Activity::encode_item_collection($nitems,'conversation/' . $item_id,'OrderedCollection',( defined('NOMADIC') ? false : true));
+ if($portable_id) {
+ ThreadListener::store(z_root() . '/item/' . $item_id,$portable_id);
+ }
+
+ if(! $i)
+ http_status_exit(404, 'Not found');
+
+ $x = array_merge(['@context' => [
+ ACTIVITYSTREAMS_JSONLD_REV,
+ 'https://w3id.org/security/v1',
+ z_root() . ZOT_APSCHEMA_REV
+ ]], $i);
+
+ $headers = [];
+ $headers['Content-Type'] = 'application/x-zot+json' ;
+ $x['signature'] = LDSignatures::sign($x,$chan);
+ $ret = json_encode($x, JSON_UNESCAPED_SLASHES);
+ $headers['Digest'] = HTTPSig::generate_digest_header($ret);
+ $headers['(request-target)'] = strtolower($_SERVER['REQUEST_METHOD']) . ' ' . $_SERVER['REQUEST_URI'];
+ $h = HTTPSig::create_sig($headers,$chan['channel_prvkey'],channel_url($chan));
+ HTTPSig::set_headers($h);
+ echo $ret;
+ killme();
+
+ }
+ }
+
+
+
function post() {
// This will change. Figure out who the observer is and whether or not
diff --git a/include/items.php b/include/items.php
index 76ae79e6f..a14e3db3a 100755
--- a/include/items.php
+++ b/include/items.php
@@ -7,6 +7,7 @@
use Zotlabs\Lib\Enotify;
use Zotlabs\Lib\MarkdownSoap;
use Zotlabs\Lib\MessageFilter;
+use Zotlabs\Lib\ThreadListener;
use Zotlabs\Lib\IConfig;
use Zotlabs\Access\PermissionLimits;
use Zotlabs\Access\AccessList;
@@ -141,6 +142,22 @@ function collect_recipients($item, &$private_envelope,$include_groups = true) {
// $recipients[] = $sys['xchan_hash'];
}
+
+ // Forward to thread listeners, *unless* there is even a remote hint that the item
+ // might have some privacy attached. This could be (for instance) an ActivityPub DM
+ // in the middle of a public thread. Unless we can guarantee beyond all doubt that
+ // this is public, don't allow it to go to thread listeners.
+
+ if(! intval($item['item_private'])) {
+ $r = ThreadListener::fetch_by_target($item['parent_mid']);
+ if($r) {
+ foreach($r as $rv) {
+ $recipients[] = $rv['portable_id'];
+ }
+ }
+ }
+
+
// Add the authors of any posts in this thread, if they are known to us.
// This is specifically designed to forward wall-to-wall posts to the original author,
// in case they aren't a connection but have permission to write on our wall.
@@ -3867,6 +3884,8 @@ function delete_item_lowlevel($item, $stage = DROPITEM_NORMAL, $force = false) {
intval(TERM_OBJ_POST)
);
+ ThreadListener::delete_by_target($item['mid']);
+
/** @FIXME remove notifications for this item */
return true;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 03:39:24 +0000