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ec3ba87f3a6cb9cda5f094bb1e62ed6b746f087f
core/Zotlabs/Module/Item.php
Mario ec3ba87f3a Revert "some work on bringing bang tags back for forums" 
This reverts commit da034045cc.
2023-03-03 08:49:18 +00:00

1607 lines
50 KiB
PHP
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<?php
namespace Zotlabs\Module;
use App;
use URLify;
use Zotlabs\Lib\Config;
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\Web\HTTPSig;
use Zotlabs\Lib\Libzot;
use Zotlabs\Lib\Libsync;
use Zotlabs\Lib\ThreadListener;
use Zotlabs\Access\PermissionRoles;
require_once('include/crypto.php');
require_once('include/items.php');
require_once('include/security.php');
require_once('include/conversation.php');
/**
*
* This is the POST destination for most all locally posted
* text stuff. This function handles status, wall-to-wall status,
* local comments, and remote coments that are posted on this site
* (as opposed to being delivered in a feed).
* Also processed here are posts and comments coming through the
* statusnet/twitter API.
* All of these become an "item" which is our basic unit of
* information.
* Posts that originate externally or do not fall into the above
* posting categories go through item_store() instead of this function.
*
*/
class Item extends Controller {
function init() {
if (Libzot::is_zot_request()) {
$item_id = argv(1);
if (!$item_id)
http_status_exit(404, 'Not found');
$portable_id = EMPTY_STR;
$item_normal_extra = sprintf(" and not verb in ('%s', '%s') ",
dbesc(ACTIVITY_FOLLOW),
dbesc(ACTIVITY_UNFOLLOW)
);
$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 $item_normal_extra ";
$i = null;
// do we have the item (at all)?
$r = q("select * from item where mid = '%s' $item_normal limit 1",
dbesc(z_root() . '/item/' . $item_id)
);
if (!$r) {
http_status_exit(404, 'Not found');
}
// process an authenticated fetch
$sigdata = HTTPSig::verify(($_SERVER['REQUEST_METHOD'] === 'POST') ? file_get_contents('php://input') : EMPTY_STR);
if ($sigdata['portable_id'] && $sigdata['header_valid']) {
$portable_id = $sigdata['portable_id'];
if (!check_channelallowed($portable_id)) {
http_status_exit(403, 'Permission denied');
}
if (!check_siteallowed($sigdata['signer'])) {
http_status_exit(403, 'Permission denied');
}
observer_auth($portable_id);
$i = q("select id as item_id from item where mid = '%s' $item_normal and owner_xchan = '%s' limit 1",
dbesc($r[0]['parent_mid']),
dbesc($portable_id)
);
}
elseif (Config::get('system', 'require_authenticated_fetch', false)) {
http_status_exit(403, 'Permission denied');
}
// if we don't have a parent id belonging to the signer see if we can obtain one as a visitor that we have permission to access
// with a bias towards those items owned by channels on this site (item_wall = 1)
$sql_extra = item_permissions_sql(0);
if (!$i) {
$i = q("select id as item_id from item where mid = '%s' $item_normal $sql_extra order by item_wall desc limit 1",
dbesc($r[0]['parent_mid'])
);
}
if (!$i) {
http_status_exit(403, 'Forbidden');
}
$parents_str = ids_to_querystr($i, 'item_id');
$items = q("SELECT item.*, item.id AS item_id FROM item WHERE item.parent IN ( %s ) $item_normal order by item.id asc",
dbesc($parents_str)
);
if (!$items) {
http_status_exit(404, 'Not found');
}
xchan_query($items, true);
$items = fetch_post_tags($items, true);
if (!$items)
http_status_exit(404, 'Not found');
$chan = channelx_by_n($items[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');
$i = Activity::encode_item_collection($items, 'conversation/' . $item_id, 'OrderedCollection');
if (!$i)
http_status_exit(404, 'Not found');
if ($portable_id && (!intval($items[0]['item_private']))) {
ThreadListener::store(z_root() . '/item/' . $item_id, $portable_id);
}
$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();
}
if (ActivityStreams::is_as_request()) {
$item_id = argv(1);
if (!$item_id)
http_status_exit(404, 'Not found');
$portable_id = EMPTY_STR;
$item_normal_extra = sprintf(" and not verb in ('%s', '%s') ",
dbesc(ACTIVITY_FOLLOW),
dbesc(ACTIVITY_UNFOLLOW)
);
$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 $item_normal_extra ";
$i = null;
// do we have the item (at all)?
// add preferential bias to item owners (item_wall = 1)
$r = q("select * from item where mid = '%s' or uuid = '%s' $item_normal order by item_wall desc limit 1",
dbesc(z_root() . '/item/' . $item_id),
dbesc($item_id)
);
if (!$r) {
http_status_exit(404, 'Not found');
}
// process an authenticated fetch
$sigdata = HTTPSig::verify(EMPTY_STR);
if ($sigdata['portable_id'] && $sigdata['header_valid']) {
$portable_id = $sigdata['portable_id'];
if (!check_channelallowed($portable_id)) {
http_status_exit(403, 'Permission denied');
}
if (!check_siteallowed($sigdata['signer'])) {
http_status_exit(403, 'Permission denied');
}
observer_auth($portable_id);
$i = q("select id as item_id from item where mid = '%s' $item_normal and owner_xchan = '%s' limit 1 ",
dbesc($r[0]['parent_mid']),
dbesc($portable_id)
);
}
elseif (Config::get('system', 'require_authenticated_fetch', false)) {
http_status_exit(403, 'Permission denied');
}
// if we don't have a parent id belonging to the signer see if we can obtain one as a visitor that we have permission to access
// with a bias towards those items owned by channels on this site (item_wall = 1)
$sql_extra = item_permissions_sql(0);
if (!$i) {
$i = q("select id as item_id from item where mid = '%s' $item_normal $sql_extra order by item_wall desc limit 1",
dbesc($r[0]['parent_mid'])
);
}
if (!$i) {
http_status_exit(403, 'Forbidden');
}
// If we get to this point we have determined we can access the original in $r (fetched much further above), so use it.
xchan_query($r, true);
$items = fetch_post_tags($r, false);
$chan = channelx_by_n($items[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');
$i = Activity::encode_item($items[0]);
if (!$i)
http_status_exit(404, 'Not found');
if ($portable_id && (!intval($items[0]['item_private']))) {
$c = q("select abook_id from abook where abook_channel = %d and abook_xchan = '%s'",
intval($items[0]['uid']),
dbesc($portable_id)
);
if (!$c) {
ThreadListener::store(z_root() . '/item/' . $item_id, $portable_id);
}
}
$x = array_merge(['@context' => [
ACTIVITYSTREAMS_JSONLD_REV,
'https://w3id.org/security/v1',
z_root() . ZOT_APSCHEMA_REV
]], $i);
$headers = [];
$headers['Content-Type'] = 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"';
$x['signature'] = LDSignatures::sign($x, $chan);
$ret = json_encode($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, $chan['channel_prvkey'], channel_url($chan));
HTTPSig::set_headers($h);
echo $ret;
killme();
}
if (argc() > 1 && argv(1) !== 'drop') {
$x = q("select uid, item_wall, llink, mid from item where mid = '%s' or mid = '%s' or uuid = '%s'",
dbesc(z_root() . '/item/' . argv(1)),
dbesc(z_root() . '/activity/' . argv(1)),
dbesc(argv(1))
);
if ($x) {
foreach ($x as $xv) {
if (intval($xv['item_wall'])) {
$c = channelx_by_n($xv['uid']);
if ($c) {
goaway(z_root() . '/channel/' . $c['channel_address'] . '?mid=' . gen_link_id($xv['mid']));
}
}
}
goaway($x[0]['llink']);
}
http_status_exit(404, 'Not found');
}
}
function post() {
// This will change. Figure out who the observer is and whether or not
// they have permission to post here. Else ignore the post.
if ((!local_channel()) && (!remote_channel()) && (!x($_REQUEST, 'anonname')))
return;
$uid = local_channel();
$channel = null;
$observer = null;
$datarray = [];
$item_starred = false;
$item_uplink = false;
$item_notshown = false;
$item_nsfw = false;
$item_relay = false;
$item_mentionsme = false;
$item_verified = false;
$item_retained = false;
$item_rss = false;
$item_deleted = false;
$item_hidden = false;
$item_unpublished = false;
$item_delayed = false;
$item_pending_remove = false;
$item_blocked = false;
/**
* Is this a reply to something?
*/
$parent = ((x($_REQUEST, 'parent')) ? intval($_REQUEST['parent']) : 0);
$parent_mid = ((x($_REQUEST, 'parent_mid')) ? trim($_REQUEST['parent_mid']) : '');
$mode = ((isset($_REQUEST['conv_mode']) && $_REQUEST['conv_mode'] === 'channel') ? 'channel' : 'network');
$remote_xchan = ((x($_REQUEST, 'remote_xchan')) ? trim($_REQUEST['remote_xchan']) : false);
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($remote_xchan)
);
if ($r)
$remote_observer = $r[0];
else
$remote_xchan = $remote_observer = false;
$profile_uid = ((x($_REQUEST, 'profile_uid')) ? intval($_REQUEST['profile_uid']) : 0);
require_once('include/channel.php');
$sys = get_sys_channel();
if ($sys && $profile_uid && ($sys['channel_id'] == $profile_uid) && is_site_admin()) {
$uid = intval($sys['channel_id']);
$channel = $sys;
$observer = $sys;
}
if (x($_REQUEST, 'dropitems')) {
require_once('include/items.php');
$arr_drop = explode(',', $_REQUEST['dropitems']);
drop_items($arr_drop);
$json = ['success' => 1];
echo json_encode($json);
killme();
}
call_hooks('post_local_start', $_REQUEST);
// logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
$api_source = ((x($_REQUEST, 'api_source') && $_REQUEST['api_source']) ? true : false);
$consensus = $_REQUEST['consensus'] ?? 0;
$nocomment = $_REQUEST['nocomment'] ?? 0;
$is_poll = ((isset($_REQUEST['poll_answers'][0]) && $_REQUEST['poll_answers'][0]) && (isset($_REQUEST['poll_answers'][1]) && $_REQUEST['poll_answers'][1]));
// 'origin' (if non-zero) indicates that this network is where the message originated,
// for the purpose of relaying comments to other conversation members.
// If using the API from a device (leaf node) you must set origin to 1 (default) or leave unset.
// If the API is used from another network with its own distribution
// and deliveries, you may wish to set origin to 0 or false and allow the other
// network to relay comments.
// If you are unsure, it is prudent (and important) to leave it unset.
$origin = (($api_source && array_key_exists('origin', $_REQUEST)) ? intval($_REQUEST['origin']) : 1);
// To represent message-ids on other networks - this will create an iconfig record
$namespace = (($api_source && array_key_exists('namespace', $_REQUEST)) ? strip_tags($_REQUEST['namespace']) : '');
$remote_id = (($api_source && array_key_exists('remote_id', $_REQUEST)) ? strip_tags($_REQUEST['remote_id']) : '');
$owner_hash = null;
$message_id = ((x($_REQUEST, 'message_id') && $api_source) ? strip_tags($_REQUEST['message_id']) : null);
$created = ((x($_REQUEST, 'created')) ? datetime_convert(date_default_timezone_get(), 'UTC', $_REQUEST['created']) : datetime_convert());
$post_id = ((x($_REQUEST, 'post_id')) ? intval($_REQUEST['post_id']) : 0);
$app = ((x($_REQUEST, 'source')) ? strip_tags($_REQUEST['source']) : '');
$return_path = ((x($_REQUEST, 'return')) ? $_REQUEST['return'] : '');
$preview = ((x($_REQUEST, 'preview')) ? intval($_REQUEST['preview']) : 0);
$categories = ((x($_REQUEST, 'category')) ? escape_tags($_REQUEST['category']) : '');
$webpage = ((x($_REQUEST, 'webpage')) ? intval($_REQUEST['webpage']) : 0);
$item_obscured = ((x($_REQUEST, 'obscured')) ? intval($_REQUEST['obscured']) : 0);
$pagetitle = ((x($_REQUEST, 'pagetitle')) ? escape_tags($_REQUEST['pagetitle']) : '');
$layout_mid = ((x($_REQUEST, 'layout_mid')) ? escape_tags($_REQUEST['layout_mid']) : '');
$plink = ((x($_REQUEST, 'permalink')) ? escape_tags($_REQUEST['permalink']) : '');
$obj_type = ((x($_REQUEST, 'obj_type')) ? escape_tags($_REQUEST['obj_type']) : ACTIVITY_OBJ_NOTE);
// allow API to bulk load a bunch of imported items with sending out a bunch of posts.
$nopush = ((x($_REQUEST, 'nopush')) ? intval($_REQUEST['nopush']) : 0);
/*
* Check service class limits
*/
if ($uid && !(x($_REQUEST, 'parent')) && !(x($_REQUEST, 'post_id'))) {
$ret = $this->item_check_service_class($uid, (($_REQUEST['webpage'] == ITEM_TYPE_WEBPAGE) ? true : false));
if (!$ret['success']) {
notice(t($ret['message']) . EOL);
if ($api_source)
return (['success' => false, 'message' => 'service class exception']);
if (x($_REQUEST, 'return'))
goaway(z_root() . "/" . $return_path);
killme();
}
}
if ($pagetitle) {
$pagetitle = str_replace('/', '-', strtolower(URLify::transliterate($pagetitle)));
}
$expires = NULL_DATE;
$comments_closed = NULL_DATE;
$route = '';
$parent_item = null;
$parent_contact = null;
$thr_parent = '';
$r = false;
if ($parent || $parent_mid) {
if (!x($_REQUEST, 'type'))
$_REQUEST['type'] = 'net-comment';
if ($obj_type == ACTIVITY_OBJ_NOTE)
$obj_type = ACTIVITY_OBJ_COMMENT;
if ($parent) {
$r = q("SELECT * FROM item WHERE id = %d LIMIT 1",
intval($parent)
);
}
elseif ($parent_mid && $uid) {
// This is coming from an API source, and we are logged in
$r = q("SELECT * FROM item WHERE mid = '%s' AND uid = %d LIMIT 1",
dbesc($parent_mid),
intval($uid)
);
}
// if this isn't the real parent of the conversation, find it
if ($r) {
$parid = $r[0]['parent'];
$parent_mid = $r[0]['mid'];
if ($r[0]['id'] != $r[0]['parent']) {
$r = q("SELECT * FROM item WHERE id = parent AND parent = %d LIMIT 1",
intval($parid)
);
}
// if interacting with a pubstream item,
// create a copy of the parent in your stream
if ($r[0]['uid'] === $sys['channel_id'] && local_channel()) {
$r = [copy_of_pubitem(App::get_channel(), $r[0]['mid'])];
}
}
if (!$r) {
notice(t('Unable to locate original post.') . EOL);
if ($api_source)
return (['success' => false, 'message' => 'invalid post id']);
if (x($_REQUEST, 'return'))
goaway(z_root() . "/" . $return_path);
killme();
}
xchan_query($r, true);
$parent_item = $r[0];
$parent = $r[0]['id'];
// multi-level threading - preserve the info but re-parent to our single level threading
$thr_parent = $parent_mid;
$route = $parent_item['route'];
}
$moderated = false;
if (!$observer) {
$observer = App::get_observer();
if (!$observer) {
$observer = anon_identity_init($_REQUEST);
if ($observer) {
$moderated = true;
$remote_xchan = $remote_observer = $observer;
}
}
}
if (!$observer) {
notice(t('Permission denied.') . EOL);
if ($api_source)
return (['success' => false, 'message' => 'permission denied']);
if (x($_REQUEST, 'return'))
goaway(z_root() . "/" . $return_path);
killme();
}
if ($parent) {
logger('mod_item: item_post parent=' . $parent);
$can_comment = false;
$can_comment = can_comment_on_post($observer['xchan_hash'], $parent_item);
if (!$can_comment) {
if ((array_key_exists('owner', $parent_item)) && intval($parent_item['owner']['abook_self']) == 1)
$can_comment = perm_is_allowed($profile_uid, $observer['xchan_hash'], 'post_comments');
}
if (!$can_comment) {
notice(t('Permission denied.') . EOL);
if ($api_source)
return (['success' => false, 'message' => 'permission denied']);
if (x($_REQUEST, 'return'))
goaway(z_root() . "/" . $return_path);
killme();
}
}
else {
if (!perm_is_allowed($profile_uid, $observer['xchan_hash'], ($webpage) ? 'write_pages' : 'post_wall')) {
notice(t('Permission denied.') . EOL);
if ($api_source)
return (['success' => false, 'message' => 'permission denied']);
if (x($_REQUEST, 'return'))
goaway(z_root() . "/" . $return_path);
killme();
}
}
// is this an edited post?
$orig_post = null;
if ($namespace && $remote_id) {
// It wasn't an internally generated post - see if we've got an item matching this remote service id
$i = q("select iid from iconfig where cat = 'system' and k = '%s' and v = '%s' limit 1",
dbesc($namespace),
dbesc($remote_id)
);
if ($i)
$post_id = $i[0]['iid'];
}
$iconfig = null;
if ($post_id) {
$i = q("SELECT * FROM item WHERE uid = %d AND id = %d LIMIT 1",
intval($profile_uid),
intval($post_id)
);
if (!count($i))
killme();
$orig_post = $i[0];
$iconfig = q("select * from iconfig where iid = %d",
intval($post_id)
);
}
if (!$channel) {
if ($uid && $uid == $profile_uid) {
$channel = App::get_channel();
}
else {
// posting as yourself but not necessarily to a channel you control
$r = q("select * from channel left join account on channel_account_id = account_id where channel_id = %d LIMIT 1",
intval($profile_uid)
);
if ($r)
$channel = $r[0];
}
}
if (!$channel) {
logger("mod_item: no channel.");
if ($api_source)
return (['success' => false, 'message' => 'no channel']);
if (x($_REQUEST, 'return'))
goaway(z_root() . "/" . $return_path);
killme();
}
$owner_xchan = null;
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($channel['channel_hash'])
);
if ($r && count($r)) {
$owner_xchan = $r[0];
}
else {
logger("mod_item: no owner.");
if ($api_source)
return (['success' => false, 'message' => 'no owner']);
if (x($_REQUEST, 'return'))
goaway(z_root() . "/" . $return_path);
killme();
}
$walltowall = false;
$walltowall_comment = false;
if ($remote_xchan && !$moderated)
$observer = $remote_observer;
if ($observer) {
logger('mod_item: post accepted from ' . $observer['xchan_name'] . ' for ' . $owner_xchan['xchan_name'], LOGGER_DEBUG);
// wall-to-wall detection.
// For top-level posts, if the author and owner are different it's a wall-to-wall
// For comments, We need to additionally look at the parent and see if it's a wall post that originated locally.
if ($observer['xchan_name'] != $owner_xchan['xchan_name']) {
if (($parent_item) && ($parent_item['item_wall'] && $parent_item['item_origin'])) {
$walltowall_comment = true;
$walltowall = true;
}
if (!$parent) {
$walltowall = true;
}
}
}
$acl = new \Zotlabs\Access\AccessList($channel);
$view_policy = \Zotlabs\Access\PermissionLimits::Get($channel['channel_id'], 'view_stream');
$comment_policy = \Zotlabs\Access\PermissionLimits::Get($channel['channel_id'], 'post_comments');
$public_policy = ((x($_REQUEST, 'public_policy')) ? escape_tags($_REQUEST['public_policy']) : map_scope($view_policy, true));
if ($webpage)
$public_policy = '';
if ($public_policy)
$private = 1;
if ($orig_post) {
$private = 0;
// webpages are allowed to change ACLs after the fact. Normal conversation items aren't.
if ($webpage) {
$acl->set_from_array($_REQUEST);
}
else {
$acl->set($orig_post);
$public_policy = $orig_post['public_policy'];
$private = $orig_post['item_private'];
}
if ($public_policy || $acl->is_private()) {
$private = (($private) ? $private : 1);
}
$location = $orig_post['location'];
$coord = $orig_post['coord'];
$verb = $orig_post['verb'];
$app = $orig_post['app'];
$title = escape_tags(trim($_REQUEST['title']));
$summary = trim($_REQUEST['summary']);
$body = trim($_REQUEST['body']);
$item_flags = $orig_post['item_flags'];
$item_origin = $orig_post['item_origin'];
$item_unseen = $orig_post['item_unseen'];
$item_starred = $orig_post['item_starred'];
$item_uplink = $orig_post['item_uplink'];
$item_consensus = $orig_post['item_consensus'];
$item_wall = $orig_post['item_wall'];
$item_thread_top = $orig_post['item_thread_top'];
$item_notshown = $orig_post['item_notshown'];
$item_nsfw = $orig_post['item_nsfw'];
$item_relay = $orig_post['item_relay'];
$item_mentionsme = $orig_post['item_mentionsme'];
$item_nocomment = $orig_post['item_nocomment'];
$item_obscured = $orig_post['item_obscured'];
$item_verified = $orig_post['item_verified'];
$item_retained = $orig_post['item_retained'];
$item_rss = $orig_post['item_rss'];
$item_deleted = $orig_post['item_deleted'];
$item_type = $orig_post['item_type'];
$item_hidden = $orig_post['item_hidden'];
$item_unpublished = $orig_post['item_unpublished'];
$item_delayed = $orig_post['item_delayed'];
$item_pending_remove = $orig_post['item_pending_remove'];
$item_blocked = $orig_post['item_blocked'];
$postopts = $orig_post['postopts'];
$created = $orig_post['created'];
$expires = $orig_post['expires'];
$comments_closed = $orig_post['comments_closed'];
$mid = $orig_post['mid'];
$uuid = $orig_post['uuid'];
$thr_parent = $orig_post['thr_parent'];
$parent_mid = $orig_post['parent_mid'];
$plink = $orig_post['plink'];
}
else {
if (!$walltowall) {
if ((array_key_exists('contact_allow', $_REQUEST))
|| (array_key_exists('group_allow', $_REQUEST))
|| (array_key_exists('contact_deny', $_REQUEST))
|| (array_key_exists('group_deny', $_REQUEST))) {
$acl->set_from_array($_REQUEST);
}
elseif (!$api_source) {
// if no ACL has been defined and we aren't using the API, the form
// didn't send us any parameters. This means there's no ACL or it has
// been reset to the default audience.
// If $api_source is set and there are no ACL parameters, we default
// to the channel permissions which were set in the ACL contructor.
$acl->set(['allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '']);
}
}
$location = ((isset($_REQUEST['location'])) ? notags(trim($_REQUEST['location'])) : '');
$coord = ((isset($_REQUEST['coord'])) ? notags(trim($_REQUEST['coord'])) : '');
$verb = ((isset($_REQUEST['verb'])) ? notags(trim($_REQUEST['verb'])) : '');
$title = ((isset($_REQUEST['title'])) ? escape_tags(trim($_REQUEST['title'])) : '');
$summary = ((isset($_REQUEST['summary'])) ? trim($_REQUEST['summary']) : '');
$body = ((isset($_REQUEST['body'])) ? trim($_REQUEST['body']) : '');
$body .= ((isset($_REQUEST['attachment'])) ? trim($_REQUEST['attachment']) : '');
$postopts = '';
$allow_empty = ((array_key_exists('allow_empty', $_REQUEST)) ? intval($_REQUEST['allow_empty']) : 0);
$private = ((isset($private) && $private) ? $private : intval($acl->is_private() || ($public_policy)));
// If this is a comment, set the permissions from the parent.
if ($parent_item) {
$acl->set($parent_item);
$private = intval($parent_item['item_private']);
$public_policy = $parent_item['public_policy'];
$owner_hash = $parent_item['owner_xchan'];
$webpage = $parent_item['item_type'];
}
if ((!$allow_empty) && (!strlen($body))) {
if ($preview)
killme();
info(t('Empty post discarded.') . EOL);
if ($api_source)
return (['success' => false, 'message' => 'no content']);
if (x($_REQUEST, 'return'))
goaway(z_root() . "/" . $return_path);
killme();
}
}
if (feature_enabled($profile_uid, 'content_expire')) {
if (x($_REQUEST, 'expire')) {
$expires = datetime_convert(date_default_timezone_get(), 'UTC', $_REQUEST['expire']);
if ($expires <= datetime_convert())
$expires = NULL_DATE;
}
}
$mimetype = ((isset($_REQUEST['mimetype'])) ? notags(trim($_REQUEST['mimetype'])) : '');
if (!$mimetype)
$mimetype = 'text/bbcode';
$execflag = ((intval($uid) == intval($profile_uid)
&& ($channel['channel_pageflags'] & PAGE_ALLOWCODE)) ? true : false);
if ($preview) {
$summary = z_input_filter($summary, $mimetype, $execflag);
$body = z_input_filter($body, $mimetype, $execflag);
}
$arr = ['profile_uid' => $profile_uid, 'summary' => $summary, 'content' => $body, 'mimetype' => $mimetype];
call_hooks('post_content', $arr);
$summary = $arr['summary'];
$body = $arr['content'];
$mimetype = $arr['mimetype'];
$gacl = $acl->get();
$str_contact_allow = $gacl['allow_cid'];
$str_group_allow = $gacl['allow_gid'];
$str_contact_deny = $gacl['deny_cid'];
$str_group_deny = $gacl['deny_gid'];
$groupww = false;
// if this is a wall-to-wall post to a group, turn it into a direct message
$is_group = get_pconfig($profile_uid, 'system', 'group_actor');
if (($is_group) && ($walltowall) && (!$walltowall_comment)) {
$groupww = true;
$str_contact_allow = $owner_xchan['xchan_hash'];
$str_group_allow = '';
}
$post_tags = [];
if ($mimetype === 'text/bbcode') {
require_once('include/text.php');
// BBCODE alert: the following functions assume bbcode input
// and will require alternatives for alternative content-types (text/html, text/markdown, text/plain, etc.)
// we may need virtual or template classes to implement the possible alternatives
$body = cleanup_bbcode($body);
// Look for tags and linkify them
$results = linkify_tags($body, ($uid) ? $uid : $profile_uid);
if ($results) {
// Set permissions based on tag replacements
set_linkified_perms($results, $str_contact_allow, $str_group_allow, $profile_uid, $private, $parent_item);
foreach ($results as $result) {
$success = $result['success'];
if ($success['replaced']) {
$post_tags[] = [
'uid' => $profile_uid,
'ttype' => $success['termtype'],
'otype' => TERM_OBJ_POST,
'term' => $success['term'],
'url' => $success['url']
];
}
}
}
if (($str_contact_allow) && (!$str_group_allow)) {
// direct message - private between individual channels but not groups
$private = 2;
}
/**
*
* When a photo was uploaded into the message using the (profile wall) ajax
* uploader, The permissions are initially set to disallow anybody but the
* owner from seeing it. This is because the permissions may not yet have been
* set for the post. If it's private, the photo permissions should be set
* appropriately. But we didn't know the final permissions on the post until
* now. So now we'll look for links of uploaded photos and attachments that are in the
* post and set them to the same permissions as the post itself.
*
* If the post was end-to-end encrypted we can't find images and attachments in the body,
* use our media_str input instead which only contains these elements - but only do this
* when encrypted content exists because the photo/attachment may have been removed from
* the post and we should keep it private. If it's encrypted we have no way of knowing
* so we'll set the permissions regardless and realise that the media may not be
* referenced in the post.
*
*/
if (!$preview) {
fix_attached_photo_permissions($profile_uid, $owner_xchan['xchan_hash'], ((strpos($body, '[/crypt]')) ? $_POST['media_str'] : $body), $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
fix_attached_photo_permissions($profile_uid, $owner_xchan['xchan_hash'], ((strpos($summary, '[/crypt]')) ? $_POST['media_str'] : $summary), $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
fix_attached_file_permissions($channel, $observer['xchan_hash'], ((strpos($body, '[/crypt]')) ? $_POST['media_str'] : $body), $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
}
$attachments = '';
$match = false;
if (preg_match_all('/(\[attachment\](.*?)\[\/attachment\])/', $body, $match)) {
$attachments = [];
$i = 0;
foreach ($match[2] as $mtch) {
$attach_link = '';
$hash = substr($mtch, 0, strpos($mtch, ','));
$rev = intval(substr($mtch, strpos($mtch, ',')));
$r = attach_by_hash_nodata($hash, $observer['xchan_hash'], $rev);
if ($r['success']) {
$attachments[] = [
'href' => z_root() . '/attach/' . $r['data']['hash'],
'length' => $r['data']['filesize'],
'type' => $r['data']['filetype'],
'title' => urlencode($r['data']['filename']),
'revision' => $r['data']['revision']
];
}
$body = str_replace($match[1][$i], $attach_link, $body);
$i++;
}
}
if (preg_match_all('/(\[share=(.*?)\](.*?)\[\/share\])/', $body, $match)) {
// process share by id
$i = 0;
foreach ($match[2] as $mtch) {
$reshare = new \Zotlabs\Lib\Share($mtch);
$body = str_replace($match[1][$i], $reshare->bbcode(), $body);
$i++;
}
}
// BBCODE end alert
}
if (strlen($categories)) {
$cats = explode(',', $categories);
foreach ($cats as $cat) {
$catlink = $owner_xchan['xchan_url'] . '?f=&cat=' . urlencode(trim($cat));
$post_tags[] = [
'uid' => $profile_uid,
'ttype' => TERM_CATEGORY,
'otype' => TERM_OBJ_POST,
'term' => trim($cat),
'url' => $catlink
];
}
}
if ($orig_post) {
// preserve original tags
$t = q("select * from term where oid = %d and otype = %d and uid = %d and ttype in ( %d, %d, %d )",
intval($orig_post['id']),
intval(TERM_OBJ_POST),
intval($profile_uid),
intval(TERM_UNKNOWN),
intval(TERM_FILE),
intval(TERM_COMMUNITYTAG)
);
if ($t) {
foreach ($t as $t1) {
$post_tags[] = [
'uid' => $profile_uid,
'ttype' => $t1['ttype'],
'otype' => TERM_OBJ_POST,
'term' => $t1['term'],
'url' => $t1['url'],
];
}
}
}
$item_unseen = ((local_channel() != $profile_uid) ? 1 : 0);
$item_wall = ((isset($_REQUEST['type']) && ($_REQUEST['type'] === 'wall' || $_REQUEST['type'] === 'wall-comment')) ? 1 : 0);
$item_origin = (($origin) ? 1 : 0);
$item_consensus = (($consensus) ? 1 : 0);
$item_nocomment = (($nocomment) ? 1 : 0);
// determine if this is a wall post
if ($parent) {
$item_wall = $parent_item['item_wall'];
}
else {
if (!$webpage) {
$item_wall = 1;
}
}
if ($moderated)
$item_blocked = ITEM_MODERATED;
if (!strlen($verb))
$verb = ACTIVITY_POST;
$notify_type = (($parent) ? 'comment-new' : 'wall-new');
$uuid = $uuid ?? $message_id ?? item_message_id();
$mid = $mid ?? z_root() . '/item/' . $uuid;
if ($is_poll) {
$poll = [
'question' => $body,
'answers' => $_REQUEST['poll_answers'],
'multiple_answers' => $_REQUEST['poll_multiple_answers'],
'expire_value' => $_REQUEST['poll_expire_value'],
'expire_unit' => $_REQUEST['poll_expire_unit']
];
$obj = $this->extract_poll_data($poll, ['item_private' => $private, 'allow_cid' => $str_contact_allow, 'allow_gid' => $str_contact_deny]);
}
else {
$obj = $this->extract_bb_poll_data($body, ['item_private' => $private, 'allow_cid' => $str_contact_allow, 'allow_gid' => $str_contact_deny]);
}
if ($obj) {
$obj['url'] = $mid;
$obj['id'] = $mid;
$obj['diaspora:guid'] = $uuid;
$obj['attributedTo'] = channel_url($channel);
$obj['published'] = $created;
$obj['name'] = $title;
$datarray['obj'] = $obj;
if ($obj['endTime']) {
$d = datetime_convert('UTC','UTC', $obj['endTime']);
if ($d > NULL_DATE) {
$comments_closed = $d;
}
}
$obj_type = 'Question';
}
if (!$parent_mid) {
$parent_mid = $mid;
}
if ($parent_item)
$parent_mid = $parent_item['mid'];
// Fallback so that we always have a thr_parent
if (!$thr_parent)
$thr_parent = $mid;
$item_thread_top = ((!$parent) ? 1 : 0);
if ((!$plink) && ($item_thread_top)) {
$plink = $mid;
}
if (isset($datarray['obj']) && $datarray['obj']) {
$datarray['obj']['id'] = $mid;
}
$datarray['aid'] = $channel['channel_account_id'];
$datarray['uid'] = $profile_uid;
$datarray['uuid'] = $uuid;
$datarray['owner_xchan'] = (($owner_hash) ? $owner_hash : $owner_xchan['xchan_hash']);
$datarray['author_xchan'] = $observer['xchan_hash'];
$datarray['created'] = $created;
$datarray['edited'] = (($orig_post) ? datetime_convert() : $created);
$datarray['expires'] = $expires;
$datarray['comments_closed'] = (($nocomment) ? $created : $comments_closed);
$datarray['commented'] = (($orig_post) ? datetime_convert() : $created);
$datarray['received'] = (($orig_post) ? datetime_convert() : $created);
$datarray['changed'] = (($orig_post) ? datetime_convert() : $created);
$datarray['mid'] = $mid;
$datarray['parent_mid'] = $parent_mid;
$datarray['mimetype'] = $mimetype;
$datarray['title'] = $title;
$datarray['summary'] = $summary;
$datarray['body'] = $body;
$datarray['app'] = $app;
$datarray['location'] = $location;
$datarray['coord'] = $coord;
$datarray['verb'] = $verb;
$datarray['obj_type'] = $obj_type;
$datarray['allow_cid'] = $str_contact_allow;
$datarray['allow_gid'] = $str_group_allow;
$datarray['deny_cid'] = $str_contact_deny;
$datarray['deny_gid'] = $str_group_deny;
$datarray['attach'] = $attachments;
$datarray['thr_parent'] = $thr_parent;
$datarray['postopts'] = $postopts;
$datarray['item_unseen'] = intval($item_unseen);
$datarray['item_wall'] = intval($item_wall);
$datarray['item_origin'] = intval($item_origin);
$datarray['item_type'] = $webpage;
$datarray['item_private'] = intval($private);
$datarray['item_thread_top'] = intval($item_thread_top);
$datarray['item_starred'] = intval($item_starred);
$datarray['item_uplink'] = intval($item_uplink);
$datarray['item_consensus'] = intval($item_consensus);
$datarray['item_notshown'] = intval($item_notshown);
$datarray['item_nsfw'] = intval($item_nsfw);
$datarray['item_relay'] = intval($item_relay);
$datarray['item_mentionsme'] = intval($item_mentionsme);
$datarray['item_nocomment'] = intval($item_nocomment);
$datarray['item_obscured'] = intval($item_obscured);
$datarray['item_verified'] = intval($item_verified);
$datarray['item_retained'] = intval($item_retained);
$datarray['item_rss'] = intval($item_rss);
$datarray['item_deleted'] = intval($item_deleted);
$datarray['item_hidden'] = intval($item_hidden);
$datarray['item_unpublished'] = intval($item_unpublished);
$datarray['item_delayed'] = intval($item_delayed);
$datarray['item_pending_remove'] = intval($item_pending_remove);
$datarray['item_blocked'] = intval($item_blocked);
$datarray['layout_mid'] = $layout_mid;
$datarray['public_policy'] = $public_policy;
$datarray['comment_policy'] = map_scope($comment_policy);
$datarray['term'] = array_unique($post_tags, SORT_REGULAR);
$datarray['plink'] = $plink;
$datarray['route'] = $route;
// A specific ACL over-rides public_policy completely
if (!empty_acl($datarray))
$datarray['public_policy'] = '';
if ($iconfig)
$datarray['iconfig'] = $iconfig;
// preview mode - prepare the body for display and send it via json
if ($preview) {
require_once('include/conversation.php');
$datarray['owner'] = $owner_xchan;
$datarray['author'] = $observer;
$datarray['attach'] = json_encode($datarray['attach']);
$o = conversation([$datarray], 'search', false, 'preview');
// logger('preview: ' . $o, LOGGER_DEBUG);
echo json_encode(['preview' => $o]);
killme();
}
if ($orig_post)
$datarray['edit'] = true;
// suppress duplicates, *unless* you're editing an existing post. This could get picked up
// as a duplicate if you're editing it very soon after posting it initially and you edited
// some attribute besides the content, such as title or categories.
if (feature_enabled($profile_uid, 'suppress_duplicates') && (!$orig_post)) {
$z = q("select created from item where uid = %d and created > %s - INTERVAL %s and body = '%s' limit 1",
intval($profile_uid),
db_utcnow(),
db_quoteinterval('2 MINUTE'),
dbesc($body)
);
if ($z) {
$datarray['cancel'] = 1;
notice(t('Duplicate post suppressed.') . EOL);
logger('Duplicate post. Faking plugin cancel.');
}
}
call_hooks('post_local', $datarray);
if (x($datarray, 'cancel')) {
logger('mod_item: post cancelled by plugin or duplicate suppressed.');
if ($return_path)
goaway(z_root() . "/" . $return_path);
if ($api_source)
return (['success' => false, 'message' => 'operation cancelled']);
$json = ['cancel' => 1];
$json['reload'] = z_root() . '/' . $_REQUEST['jsreload'];
echo json_encode($json);
killme();
}
if (mb_strlen($datarray['title']) > 191)
$datarray['title'] = mb_substr($datarray['title'], 0, 191);
if ($webpage) {
IConfig::Set($datarray, 'system', webpage_to_namespace($webpage),
(($pagetitle) ? $pagetitle : basename($datarray['mid'])), true);
}
elseif ($namespace) {
IConfig::Set($datarray, 'system', $namespace,
(($remote_id) ? $remote_id : basename($datarray['mid'])), true);
}
if ($orig_post) {
$datarray['id'] = $post_id;
$x = item_store_update($datarray, $execflag);
// We only need edit activities for other federated protocols
// which do not support edits natively. While this does federate
// edits, it presents a number of issues locally - such as #757 and #758.
// The SQL check for an edit activity would not perform that well so to fix these issues
// requires an additional item flag (perhaps 'item_edit_activity') that we can add to the
// query for searches and notifications.
// For now we'll just forget about trying to make edits work on network protocols that
// don't support them.
// item_create_edit_activity($x);
if (!$parent) {
$r = q("select * from item where id = %d",
intval($post_id)
);
if ($r) {
xchan_query($r);
$sync_item = fetch_post_tags($r);
Libsync::build_sync_packet($profile_uid, ['item' => [encode_item($sync_item[0], true)]]);
}
}
if (!$nopush)
Master::Summon(['Notifier', 'edit_post', $post_id]);
if ($api_source)
return ($x);
if ((x($_REQUEST, 'return')) && strlen($return_path)) {
logger('return: ' . $return_path);
goaway(z_root() . "/" . $return_path);
}
killme();
}
$post = item_store($datarray, $execflag);
$post_id = $post['item_id'];
$datarray = $post['item'];
if ($post_id) {
logger('mod_item: saved item ' . $post_id);
if ($parent) {
// prevent conversations which you are involved from being expired
if (local_channel())
retain_item($parent);
// only send comment notification if this is a wall-to-wall comment,
// otherwise it will happen during delivery
if (($datarray['owner_xchan'] != $datarray['author_xchan']) && (intval($parent_item['item_wall']))) {
Enotify::submit([
'type' => NOTIFY_COMMENT,
'from_xchan' => $datarray['author_xchan'],
'to_xchan' => $datarray['owner_xchan'],
'item' => $datarray,
'link' => z_root() . '/display/' . gen_link_id($datarray['mid']),
'verb' => ACTIVITY_POST,
'otype' => 'item',
'parent' => $parent,
'parent_mid' => $parent_item['mid']
]);
}
}
else {
$parent = $post_id;
if (($datarray['owner_xchan'] != $datarray['author_xchan']) && ($datarray['item_type'] == ITEM_TYPE_POST)) {
Enotify::submit([
'type' => NOTIFY_WALL,
'from_xchan' => $datarray['author_xchan'],
'to_xchan' => $datarray['owner_xchan'],
'item' => $datarray,
'link' => z_root() . '/display/' . gen_link_id($datarray['mid']),
'verb' => ACTIVITY_POST,
'otype' => 'item'
]);
}
if ($uid && $uid == $profile_uid && (is_item_normal($datarray))) {
q("update channel set channel_lastpost = '%s' where channel_id = %d",
dbesc(datetime_convert()),
intval($uid)
);
}
}
// photo comments turn the corresponding item visible to the profile wall
// This way we don't see every picture in your new photo album posted to your wall at once.
// They will show up as people comment on them.
if ($parent_item && intval($parent_item['item_hidden'])) {
$r = q("UPDATE item SET item_hidden = 0 WHERE id = %d",
intval($parent_item['id'])
);
}
}
else {
logger('mod_item: unable to retrieve post that was just stored.');
notice(t('System error. Post not saved.') . EOL);
if ($return_path)
goaway(z_root() . "/" . $return_path);
if ($api_source)
return (['success' => false, 'message' => 'system error']);
killme();
}
if ($parent || $datarray['item_private'] == 1) {
$r = q("select * from item where id = %d",
intval($post_id)
);
if ($r) {
xchan_query($r);
$sync_item = fetch_post_tags($r);
Libsync::build_sync_packet($profile_uid, ['item' => [encode_item($sync_item[0], true)]]);
}
}
$datarray['id'] = $post_id;
$datarray['llink'] = z_root() . '/display/' . gen_link_id($datarray['mid']);
call_hooks('post_local_end', $datarray);
if ($groupww) {
$nopush = false;
}
if (!$nopush)
Master::Summon(['Notifier', $notify_type, $post_id]);
logger('post_complete');
if ($moderated) {
info(t('Your comment is awaiting approval.') . EOL);
}
// figure out how to return, depending on from whence we came
if ($api_source)
return $post;
if ($return_path) {
if ($return_path === 'hq') {
goaway(z_root() . '/hq/' . gen_link_id($datarray['mid']));
}
goaway(z_root() . "/" . $return_path);
}
if ($mode === 'channel')
profile_load($channel['channel_address']);
$item[] = $datarray;
$item[0]['owner'] = $owner_xchan;
$item[0]['author'] = $observer;
$item[0]['attach'] = $datarray['attach'];
$json = [
'success' => 1,
'id' => $post_id,
'html' => conversation($item, $mode, true, 'r_preview'),
];
if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload']))
$json['reload'] = z_root() . '/' . $_REQUEST['jsreload'];
logger('post_json: ' . print_r($json, true), LOGGER_DEBUG);
echo json_encode($json);
killme();
// NOTREACHED
}
function get() {
if ((!local_channel()) && (!remote_channel()))
return;
if ((argc() == 3) && (argv(1) === 'drop') && intval(argv(2))) {
require_once('include/items.php');
$i = q("select id, uid, item_origin, author_xchan, owner_xchan, source_xchan, item_type from item where id = %d limit 1",
intval(argv(2))
);
if ($i) {
$can_delete = false;
$local_delete = false;
if (local_channel() && local_channel() == $i[0]['uid']) {
$local_delete = true;
}
$ob_hash = get_observer_hash();
if ($ob_hash && ($ob_hash === $i[0]['author_xchan'] || $ob_hash === $i[0]['owner_xchan'] || $ob_hash === $i[0]['source_xchan'])) {
$can_delete = true;
}
// The site admin can delete any post/item on the site.
// If the item originated on this site+channel the deletion will propagate downstream.
// Otherwise just the local copy is removed.
if (is_site_admin()) {
$local_delete = true;
if (intval($i[0]['item_origin']))
$can_delete = true;
}
if (!($can_delete || $local_delete)) {
notice(t('Permission denied.') . EOL);
return;
}
// if this is a different page type or it's just a local delete
// but not by the item author or owner, do a simple deletion
$complex = false;
if (intval($i[0]['item_type']) || ($local_delete && (!$can_delete))) {
drop_item($i[0]['id']);
}
else {
// complex deletion that needs to propagate and be performed in phases
drop_item($i[0]['id'], true, DROPITEM_PHASE1);
$complex = true;
}
$r = q("select * from item where id = %d",
intval($i[0]['id'])
);
if ($r) {
xchan_query($r);
$sync_item = fetch_post_tags($r);
Libsync::build_sync_packet($i[0]['uid'], ['item' => [encode_item($sync_item[0], true)]]);
}
if ($complex) {
tag_deliver($i[0]['uid'], $i[0]['id']);
}
}
killme();
}
}
function item_check_service_class($channel_id, $iswebpage) {
$ret = ['success' => false, 'message' => ''];
if ($iswebpage) {
$r = q("select count(i.id) as total from item i
right join channel c on (i.author_xchan=c.channel_hash and i.uid=c.channel_id )
and i.parent=i.id and i.item_type = %d and i.item_deleted = 0 and i.uid= %d ",
intval(ITEM_TYPE_WEBPAGE),
intval($channel_id)
);
}
else {
$r = q("select count(id) as total from item where parent = id and item_wall = 1 and uid = %d " . item_normal(),
intval($channel_id)
);
}
if (!$r) {
$ret['message'] = t('Unable to obtain post information from database.');
return $ret;
}
if (!$iswebpage) {
$max = engr_units_to_bytes(service_class_fetch($channel_id, 'total_items'));
if (!service_class_allows($channel_id, 'total_items', $r[0]['total'])) {
$ret['message'] .= upgrade_message() . sprintf(t('You have reached your limit of %1$.0f top level posts.'), $max);
return $ret;
}
}
else {
$max = engr_units_to_bytes(service_class_fetch($channel_id, 'total_pages'));
if (!service_class_allows($channel_id, 'total_pages', $r[0]['total'])) {
$ret['message'] .= upgrade_message() . sprintf(t('You have reached your limit of %1$.0f webpages.'), $max);
return $ret;
}
}
$ret['success'] = true;
return $ret;
}
function extract_bb_poll_data(&$body, $item) {
$multiple = false;
if (strpos($body, '[/question]') === false && strpos($body, '[/answer]') === false) {
return false;
}
if (strpos($body, '[nobb]') !== false) {
return false;
}
$obj = [];
$ptr = [];
$matches = null;
$obj['type'] = 'Question';
if (preg_match_all('/\[answer\](.*?)\[\/answer\]/ism', $body, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$answer = escape_tags(trim($match[1]));
$ptr[] = ['name' => $answer, 'type' => 'Note', 'replies' => ['type' => 'Collection', 'totalItems' => 0]];
$body = str_replace('[answer]' . $answer . '[/answer]', EMPTY_STR, $body);
}
}
$matches = null;
if (preg_match('/\[question\](.*?)\[\/question\]/ism', $body, $matches)) {
$obj['content'] = bbcode($matches[1]);
$body = str_replace('[question]' . $matches[1] . '[/question]', $matches[1], $body);
$obj['oneOf'] = $ptr;
}
$matches = null;
if (preg_match('/\[question=multiple\](.*?)\[\/question\]/ism', $body, $matches)) {
$obj['content'] = bbcode($matches[1]);
$body = str_replace('[question=multiple]' . $matches[1] . '[/question]', $matches[1], $body);
$obj['anyOf'] = $ptr;
}
$matches = null;
if (preg_match('/\[ends\](.*?)\[\/ends\]/ism', $body, $matches)) {
$obj['endTime'] = datetime_convert(date_default_timezone_get(), 'UTC', $matches[1], ATOM_TIME);
$body = str_replace('[ends]' . $matches[1] . '[/ends]', EMPTY_STR, $body);
}
if ($item['item_private']) {
$obj['to'] = Activity::map_acl($item);
}
else {
$obj['to'] = [ACTIVITY_PUBLIC_INBOX];
}
return $obj;
}
function extract_poll_data($poll, $item) {
$multiple = intval($poll['multiple_answers']);
$expire_value = intval($poll['expire_value']);
$expire_unit = $poll['expire_unit'];
$question = $poll['question'];
$answers = $poll['answers'];
$obj = [];
$ptr = [];
$obj['type'] = 'Question';
$obj['content'] = bbcode($question);
foreach ($answers as $answer) {
$answer = escape_tags(trim($answer));
if ($answer) {
$ptr[] = ['name' => $answer, 'type' => 'Note', 'replies' => ['type' => 'Collection', 'totalItems' => 0]];
}
}
if ($multiple) {
$obj['anyOf'] = $ptr;
}
else {
$obj['oneOf'] = $ptr;
}
$obj['endTime'] = datetime_convert(date_default_timezone_get(), 'UTC', 'now + ' . $expire_value . ' ' . $expire_unit, ATOM_TIME);
$obj['directMessage'] = (intval($item['item_private']) === 2);
if ($item['item_private']) {
$obj['to'] = Activity::map_acl($item);
}
else {
$obj['to'] = [ACTIVITY_PUBLIC_INBOX];
}
return $obj;
}
}
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