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authorMario <mario@mariovavti.com>2021-01-22 10:06:50 +0000
committerMario <mario@mariovavti.com>2021-01-22 10:06:50 +0000
commit93ac3c985fd35a9826c5421360da368ff07dd315 (patch)
tree1a9c88970ba16e531490553895ab40efa971e706 /Zotlabs/Lib
parentfe97b63e0b227b2702f661490424b1e12c06f73a (diff)
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implement externals via zot6 and zotfeed - part 1
Diffstat (limited to 'Zotlabs/Lib')
-rw-r--r--Zotlabs/Lib/Activity.php414
1 files changed, 369 insertions, 45 deletions
diff --git a/Zotlabs/Lib/Activity.php b/Zotlabs/Lib/Activity.php
index aa121d98b..d552a9b3c 100644
--- a/Zotlabs/Lib/Activity.php
+++ b/Zotlabs/Lib/Activity.php
@@ -2481,34 +2481,168 @@ class Activity {
}
- static function store($channel, $observer_hash, $act, $item, $fetch_parents = true) {
+ static function store($channel, $observer_hash, $act, $item, $fetch_parents = true, $force = false) {
$is_sys_channel = is_sys_channel($channel['channel_id']);
+ $is_child_node = false;
+
+ // TODO: not implemented
+ // Pleroma scrobbles can be really noisy and contain lots of duplicate activities. Disable them by default.
+ /*if (($act->type === 'Listen') && ($is_sys_channel || get_pconfig($channel['channel_id'], 'system', 'allow_scrobbles', false))) {
+ return;
+ }*/
// Mastodon only allows visibility in public timelines if the public inbox is listed in the 'to' field.
// They are hidden in the public timeline if the public inbox is listed in the 'cc' field.
// This is not part of the activitypub protocol - we might change this to show all public posts in pubstream at some point.
$pubstream = ((is_array($act->obj) && array_key_exists('to', $act->obj) && in_array(ACTIVITY_PUBLIC_INBOX, $act->obj['to'])) ? true : false);
- $is_parent = (($item['parent_mid'] && $item['parent_mid'] === $item['mid']) ? true : false);
- if ($is_parent && (!perm_is_allowed($channel['channel_id'], $observer_hash, 'send_stream') && !($is_sys_channel && $pubstream))) {
+ // TODO: this his handled in pubcrawl atm.
+ // very unpleasant and imperfect way of determining a Mastodon DM
+ /*if ($act->raw_recips && array_key_exists('to',$act->raw_recips) && is_array($act->raw_recips['to']) && count($act->raw_recips['to']) === 1 && $act->raw_recips['to'][0] === channel_url($channel) && ! $act->raw_recips['cc']) {
+ $item['item_private'] = 2;
+ }*/
+
+ // TODO: remove
+ // $is_parent = (($item['parent_mid'] && $item['parent_mid'] === $item['mid']) ? true : false);
+
+ if ($item['parent_mid'] && $item['parent_mid'] !== $item['mid']) {
+ $is_child_node = true;
+ }
+
+ $allowed = false;
+
+ // TODO: not implemented
+ // $permit_mentions = intval(PConfig::Get($channel['channel_id'], 'system','permit_all_mentions') && i_am_mentioned($channel,$item));
+
+ if ($is_child_node) {
+ $p = q("select * from item where mid = '%s' and uid = %d and item_wall = 1",
+ dbesc($item['parent_mid']),
+ intval($channel['channel_id'])
+ );
+ if ($p) {
+ // check permissions against the author, not the sender
+ $allowed = perm_is_allowed($channel['channel_id'], $item['author_xchan'], 'post_comments');
+ if ((!$allowed)/* && $permit_mentions*/) {
+ if ($p[0]['owner_xchan'] === $channel['channel_hash']) {
+ $allowed = false;
+ }
+ else {
+ $allowed = true;
+ }
+ }
+
+ // TODO: not implemented
+ /*if (absolutely_no_comments($p[0])) {
+ $allowed = false;
+ }*/
+
+ if (!$allowed) {
+ logger('rejected comment from ' . $item['author_xchan'] . ' for ' . $channel['channel_address']);
+ logger('rejected: ' . print_r($item, true), LOGGER_DATA);
+
+ // TODO: not implemented
+ // let the sender know we received their comment but we don't permit spam here.
+ // self::send_rejection_activity($channel,$item['author_xchan'],$item);
+ return;
+ }
+
+ // TODO: not implemented
+ /*if (perm_is_allowed($channel['channel_id'],$item['author_xchan'],'moderated')) {
+ $item['item_blocked'] = ITEM_MODERATED;
+ }*/
+ }
+ else {
+ $allowed = true;
+ // reject public stream comments that weren't sent by the conversation owner
+ if ($is_sys_channel && $pubstream && $item['owner_xchan'] !== $observer_hash) {
+ // TODO: check why? This would make it impossible to fetch externals via zotfeed where $observer_hash = sys channel
+ // $allowed = false;
+ }
+ }
+
+ if ($p && $p[0]['obj_type'] === 'Question') {
+ if ($item['obj_type'] === 'Note' && $item['title'] && (!$item['content'])) {
+ $item['obj_type'] = 'Answer';
+ }
+ }
+ }
+ else {
+ // The $item['item_fetched'] flag is set in fetch_and_store_parents().
+ // In this case we should check against author permissions because sender is not owner.
+ if (perm_is_allowed($channel['channel_id'], (($item['item_fetched']) ? $item['author_xchan'] : $observer_hash), 'send_stream') || ($is_sys_channel && $pubstream)) {
+ $allowed = true;
+ }
+ // TODO: not implemented
+ /*if ($permit_mentions) {
+ $allowed = true;
+ }*/
+ }
+
+ // TODO: remove
+ /*if ($is_parent && (!perm_is_allowed($channel['channel_id'], $observer_hash, 'send_stream') && !($is_sys_channel && $pubstream))) {
logger('no permission');
return;
+ }*/
+
+ if (tgroup_check($channel['channel_id'], $item) && (!$is_child_node)) {
+ // for forum deliveries, make sure we keep a copy of the signed original
+ set_iconfig($item, 'activitypub', 'rawmsg', $act->raw, 1);
+ $allowed = true;
}
- if (is_array($act->obj)) {
+ // TODO: not implemented
+ /*if (intval($channel['channel_system'])) {
+
+ if (! check_pubstream_channelallowed($observer_hash)) {
+ $allowed = false;
+ }
+
+ // don't allow pubstream posts if the sender even has a clone on a pubstream denied site
+
+ $h = q("select hubloc_url from hubloc where hubloc_hash = '%s'",
+ dbesc($observer_hash)
+ );
+ if ($h) {
+ foreach ($h as $hub) {
+ if (! check_pubstream_siteallowed($hub['hubloc_url'])) {
+ $allowed = false;
+ break;
+ }
+ }
+ }
+ }*/
+
+ // TODO: not implemented
+ /*$blocked = LibBlock::fetch($channel['channel_id'],BLOCKTYPE_SERVER);
+ if ($blocked) {
+ foreach($blocked as $b) {
+ if (strpos($observer_hash,$b['block_entity']) !== false) {
+ $allowed = false;
+ }
+ }
+ }*/
+
+ if (!$allowed && !$force) {
+ logger('no permission');
+ return;
+ }
+
+ // TODO: remove
+ /*if (is_array($act->obj)) {
$content = self::get_content($act->obj);
}
if (!$content) {
logger('no content');
return;
- }
+ }*/
$item['aid'] = $channel['channel_account_id'];
$item['uid'] = $channel['channel_id'];
- // Make sure we use the zot6 identity where applicable
+ // Some authors may be zot6 authors in which case we want to store their nomadic identity
+ // instead of their ActivityPub identity
$item['author_xchan'] = self::find_best_identity($item['author_xchan']);
$item['owner_xchan'] = self::find_best_identity($item['owner_xchan']);
@@ -2543,18 +2677,35 @@ class Activity {
}
}
-
if ($act->obj['conversation']) {
set_iconfig($item, 'ostatus', 'conversation', $act->obj['conversation'], 1);
}
// This isn't perfect but the best we can do for now.
-
$item['comment_policy'] = 'authenticated';
set_iconfig($item, 'activitypub', 'recips', $act->raw_recips);
- if (!$is_parent) {
+ // TODO: inheritPrivacy should probably be set in encode activity. Zap does not do so yet - check what this is about
+ if (!(isset($act->data['inheritPrivacy']) && $act->data['inheritPrivacy'])) {
+ if ($item['item_private']) {
+ $item['item_restrict'] = $item['item_restrict'] & 1;
+ if ($is_child_node) {
+ $item['allow_cid'] = '<' . $channel['channel_hash'] . '>';
+ $item['allow_gid'] = $item['deny_cid'] = $item['deny_gid'] = '';
+ }
+ logger('restricted');
+ }
+ }
+
+ if (intval($act->sigok)) {
+ $item['item_verified'] = 1;
+ }
+
+ $parent = null;
+
+ // TODO: remove
+ /*if (!$is_parent) {
$p = q("select parent_mid, id, obj_type from item where mid = '%s' and uid = %d limit 1",
dbesc($item['parent_mid']),
intval($item['uid'])
@@ -2586,14 +2737,12 @@ class Activity {
}
}
-
if ($p[0]['obj_type'] === 'Question') {
if ($item['obj_type'] === ACTIVITY_OBJ_NOTE && $item['title'] && (!$item['content'])) {
$item['obj_type'] = 'Answer';
}
}
-
if ($p[0]['parent_mid'] !== $item['parent_mid']) {
$item['thr_parent'] = $item['parent_mid'];
}
@@ -2601,8 +2750,50 @@ class Activity {
$item['thr_parent'] = $p[0]['parent_mid'];
}
$item['parent_mid'] = $p[0]['parent_mid'];
+ }*/
+
+ if ($is_child_node) {
+
+ $parent = q("select * from item where mid = '%s' and uid = %d limit 1",
+ dbesc($item['parent_mid']),
+ intval($item['uid'])
+ );
+ if (!$parent) {
+ if (!plugin_is_installed('pubcrawl')) {
+ return;
+ }
+ else {
+ $fetch = false;
+ // TODO: debug
+ // if (perm_is_allowed($channel['channel_id'],$observer_hash,'send_stream') && (PConfig::Get($channel['channel_id'],'system','hyperdrive',true)*/ || $act->type === 'Announce')) {
+ if (perm_is_allowed($channel['channel_id'], $observer_hash, 'send_stream') || ($is_sys_channel && $pubstream)) {
+ $fetch = (($fetch_parents) ? self::fetch_and_store_parents($channel, $observer_hash, $item) : false);
+ }
+ if ($fetch) {
+ $parent = q("select * from item where mid = '%s' and uid = %d limit 1",
+ dbesc($item['parent_mid']),
+ intval($item['uid'])
+ );
+ }
+ else {
+ logger('no parent');
+ return;
+ }
+ }
+ }
+
+ if ($parent[0]['parent_mid'] !== $item['parent_mid']) {
+ $item['thr_parent'] = $item['parent_mid'];
+ }
+ else {
+ $item['thr_parent'] = $parent[0]['parent_mid'];
+ }
+ $item['parent_mid'] = $parent[0]['parent_mid'];
}
+ // TODO: not implemented
+ // self::rewrite_mentions($item);
+
$r = q("select id, created, edited from item where mid = '%s' and uid = %d limit 1",
dbesc($item['mid']),
intval($item['uid'])
@@ -2620,8 +2811,51 @@ class Activity {
$x = item_store($item);
}
+ // TODO: remove
+ /*$r = q("select id, created, edited from item where mid = '%s' and uid = %d limit 1",
+ dbesc($item['mid']),
+ intval($item['uid'])
+ );
+ if ($r) {
+ if ($item['edited'] > $r[0]['edited']) {
+ $item['id'] = $r[0]['id'];
+ $x = item_store_update($item);
+ }
+ else {
+ return;
+ }
+ }
+ else {
+ $x = item_store($item);
+ }*/
+
+ if ($fetch_parents && $parent && !intval($parent[0]['item_private'])) {
+ logger('topfetch', LOGGER_DEBUG);
+ // if the thread owner is a connnection, we will already receive any additional comments to their posts
+ // but if they are not we can try to fetch others in the background
+ $x = q("SELECT abook.*, xchan.* FROM abook left join xchan on abook_xchan = xchan_hash
+ WHERE abook_channel = %d and abook_xchan = '%s' LIMIT 1",
+ intval($channel['channel_id']),
+ dbesc($parent[0]['owner_xchan'])
+ );
+ if (!$x) {
+ // determine if the top-level post provides a replies collection
+ if ($parent[0]['obj']) {
+ $parent[0]['obj'] = json_decode($parent[0]['obj'], true);
+ }
+ logger('topfetch: ' . print_r($parent[0], true), LOGGER_ALL);
+ $id = ((array_path_exists('obj/replies/id', $parent[0])) ? $parent[0]['obj']['replies']['id'] : false);
+ if (!$id) {
+ $id = ((array_path_exists('obj/replies', $parent[0]) && is_string($parent[0]['obj']['replies'])) ? $parent[0]['obj']['replies'] : false);
+ }
+ if ($id) {
+ Master::Summon(['Convo', $id, $channel['channel_id'], $observer_hash]);
+ }
+ }
+ }
+
if (is_array($x) && $x['item_id']) {
- if ($is_parent) {
+ if ($is_child_node) {
if ($item['owner_xchan'] === $channel['channel_hash']) {
// We are the owner of this conversation, so send all received comments back downstream
Master::Summon(['Notifier', 'comment-import', $x['item_id']]);
@@ -2636,10 +2870,26 @@ class Activity {
sync_an_item($channel['channel_id'], $x['item_id']);
}
- }
+ // TODO: remove
+ /*if (is_array($x) && $x['item_id']) {
+ if ($is_parent) {
+ if ($item['owner_xchan'] === $channel['channel_hash']) {
+ // We are the owner of this conversation, so send all received comments back downstream
+ Master::Summon(['Notifier', 'comment-import', $x['item_id']]);
+ }
+ $r = q("select * from item where id = %d limit 1",
+ intval($x['item_id'])
+ );
+ if ($r) {
+ send_status_notifications($x['item_id'], $r[0]);
+ }
+ }
+ sync_an_item($channel['channel_id'], $x['item_id']);
+ }*/
- static public function fetch_and_store_parents($channel, $item) {
+ }
+ static public function fetch_and_store_parents($channel, $observer_hash, $item) {
logger('fetching parents');
$p = [];
@@ -2647,42 +2897,35 @@ class Activity {
$current_item = $item;
while ($current_item['parent_mid'] !== $current_item['mid']) {
- $n = self::fetch($current_item['parent_mid'], $channel);
+ $n = self::fetch($current_item['parent_mid']);
if (!$n) {
break;
}
- $a = new ActivityStreams($n);
+ // set client flag to convert objects to implied activities
+ $a = new ActivityStreams($n, null, true);
+ if ($a->type === 'Announce' && is_array($a->obj)
+ && array_key_exists('object', $a->obj) && array_key_exists('actor', $a->obj)) {
+ // This is a relayed/forwarded Activity (as opposed to a shared/boosted object)
+ // Reparse the encapsulated Activity and use that instead
+ logger('relayed activity', LOGGER_DEBUG);
+ $a = new ActivityStreams($a->obj, null, true);
+ }
- //logger($a->debug());
+ logger($a->debug(), LOGGER_DATA);
if (!$a->is_valid()) {
+ logger('not a valid activity');
break;
}
-
if (is_array($a->actor) && array_key_exists('id', $a->actor)) {
- self::actor_store($a->actor['id'], $a->actor);
- }
-
- $replies = null;
- if (isset($a->obj['replies']['first']['items'])) {
- $replies = $a->obj['replies']['first']['items'];
- // we already have this one
- array_diff($replies, [$current_item['mid']]);
+ Activity::actor_store($a->actor['id'], $a->actor);
}
- $item = null;
-
- switch ($a->type) {
- case 'Create':
- case 'Update':
- //case 'Like':
- //case 'Dislike':
- case 'Announce':
- $item = self::decode_note($a);
- break;
- default:
- break;
+ // ActivityPub sourced items are cacheable
+ $item = Activity::decode_note($a);
+ if (!$item) {
+ break;
}
$hookinfo = [
@@ -2695,22 +2938,22 @@ class Activity {
$item = $hookinfo['item'];
if ($item) {
+ $item['item_fetched'] = 1;
+ array_unshift($p, [$a, $item]);
- array_unshift($p, [$a, $item, $replies]);
-
- if ($item['parent_mid'] === $item['mid'] || count($p) > 20) {
+ if ($item['parent_mid'] === $item['mid'] || count($p) > 100) {
break;
}
-
}
+
$current_item = $item;
}
if ($p) {
foreach ($p as $pv) {
- self::store($channel, $pv[0]->actor['id'], $pv[0], $pv[1], false);
- if ($pv[2])
- self::fetch_and_store_replies($channel, $pv[2]);
+ if ($pv[0]->is_valid()) {
+ Activity::store($channel, $observer_hash, $pv[0], $pv[1], false);
+ }
}
return true;
}
@@ -2718,6 +2961,87 @@ class Activity {
return false;
}
+ /*
+ static public function fetch_and_store_parents($channel, $item) {
+
+ logger('fetching parents');
+
+ $p = [];
+
+ $current_item = $item;
+
+ while ($current_item['parent_mid'] !== $current_item['mid']) {
+ $n = self::fetch($current_item['parent_mid'], $channel);
+ if (!$n) {
+ break;
+ }
+ $a = new ActivityStreams($n);
+
+ //logger($a->debug());
+
+ if (!$a->is_valid()) {
+ break;
+ }
+
+ if (is_array($a->actor) && array_key_exists('id', $a->actor)) {
+ self::actor_store($a->actor['id'], $a->actor);
+ }
+
+ $replies = null;
+ if (isset($a->obj['replies']['first']['items'])) {
+ $replies = $a->obj['replies']['first']['items'];
+ // we already have this one
+ array_diff($replies, [$current_item['mid']]);
+ }
+
+ $item = null;
+
+ switch ($a->type) {
+ case 'Create':
+ case 'Update':
+ //case 'Like':
+ //case 'Dislike':
+ case 'Announce':
+ $item = self::decode_note($a);
+ break;
+ default:
+ break;
+
+ }
+
+ $hookinfo = [
+ 'a' => $a,
+ 'item' => $item
+ ];
+
+ call_hooks('fetch_and_store', $hookinfo);
+
+ $item = $hookinfo['item'];
+
+ if ($item) {
+
+ array_unshift($p, [$a, $item, $replies]);
+
+ if ($item['parent_mid'] === $item['mid'] || count($p) > 20) {
+ break;
+ }
+
+ }
+ $current_item = $item;
+ }
+
+ if ($p) {
+ foreach ($p as $pv) {
+ self::store($channel, $pv[0]->actor['id'], $pv[0], $pv[1], false);
+ if ($pv[2])
+ self::fetch_and_store_replies($channel, $pv[2]);
+ }
+ return true;
+ }
+
+ return false;
+ }
+ */
static public function fetch_and_store_replies($channel, $arr) {
logger('fetching replies');