diff options
Diffstat (limited to 'Zotlabs/Lib/Activity.php')
| -rw-r--r-- | Zotlabs/Lib/Activity.php | 414 |
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'); 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