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streams/Zotlabs/Module/Item.php

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<?php
namespace Zotlabs\Module;
/**
*
* 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.
*
*/
require_once('include/crypto.php');
require_once('include/items.php');
require_once('include/attach.php');
require_once('include/bbcode.php');
require_once('include/security.php');
use \Zotlabs\Lib as Zlib;
class Item extends \Zotlabs\Web\Controller {
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;
/**
* Is this a reply to something?
*/
$parent = ((x($_REQUEST,'parent')) ? intval($_REQUEST['parent']) : 0);
$parent_mid = ((x($_REQUEST,'parent_mid')) ? trim($_REQUEST['parent_mid']) : '');
$remote_xchan = ((x($_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);
$json = array('success' => 1);
echo json_encode($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);
$consensus = intval($_REQUEST['consensus']);
$nocomment = intval($_REQUEST['nocomment']);
// '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']) : '');
$created = ((x($_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(urlencode($_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) {
require_once('library/urlify/URLify.php');
$pagetitle = strtolower(\URLify::transliterate($pagetitle));
}
$item_flags = $item_restrict = 0;
$expires = NULL_DATE;
$route = '';
$parent_item = null;
$parent_contact = null;
$thr_parent = '';
$parid = 0;
$r = false;
if($parent || $parent_mid) {
if(! x($_REQUEST,'type'))
$_REQUEST['type'] = 'net-comment';
if($obj_type == ACTIVITY_OBJ_POST)
$obj_type = ACTIVITY_OBJ_COMMENT;
if($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);
$can_comment = false;
if((array_key_exists('owner',$parent_item)) && intval($parent_item['owner']['abook_self']))
$can_comment = perm_is_allowed($profile_uid,$observer['xchan_hash'],'post_comments');
else
$can_comment = can_comment_on_post($observer['xchan_hash'],$parent_item);
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 = $orig_post['item_private'];
}
if($private || $public_policy || $acl->is_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']));
$body = trim($_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'];
$mid = $orig_post['mid'];
$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(array('allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => ''));
}
}
$location = notags(trim($_REQUEST['location']));
$coord = notags(trim($_REQUEST['coord']));
$verb = notags(trim($_REQUEST['verb']));
$title = escape_tags(trim($_REQUEST['title']));
$body = trim($_REQUEST['body']);
$body .= trim($_REQUEST['attachment']);
$postopts = '';
$allow_empty = ((array_key_exists('allow_empty',$_REQUEST)) ? intval($_REQUEST['allow_empty']) : 0);
$private = intval($acl->is_private() || ($public_policy));
// If this is a comment, set the permissions from the parent.
if($parent_item) {
$private = 0;
$acl->set($parent_item);
$private = intval($acl->is_private() || $parent_item['item_private']);
$public_policy = $parent_item['public_policy'];
$owner_hash = $parent_item['owner_xchan'];
}
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;
}
}
$mimetype = notags(trim($_REQUEST['mimetype']));
if(! $mimetype)
$mimetype = 'text/bbcode';
$execflag = ((intval($uid) == intval($profile_uid)
&& ($channel['channel_pageflags'] & PAGE_ALLOWCODE)) ? true : false);
if($preview) {
$body = z_input_filter($body,$mimetype,$execflag);
}
// Verify ability to use html or php!!!
$gacl = $acl->get();
$str_contact_allow = $gacl['allow_cid'];
$str_group_allow = $gacl['allow_gid'];
$str_contact_deny = $gacl['deny_cid'];
$str_group_deny = $gacl['deny_gid'];
if($mimetype === 'text/bbcode') {
require_once('include/text.php');
if($uid && $uid == $profile_uid && feature_enabled($uid,'markdown')) {
require_once('include/markdown.php');
$body = preg_replace_callback('/\[share(.*?)\]/ism','\share_shield',$body);
$body = markdown_to_bb($body,true,['preserve_lf' => true]);
$body = preg_replace_callback('/\[share(.*?)\]/ism','\share_unshield',$body);
}
// 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
// If we're sending a private top-level message with a single @-taggable channel as a recipient, @-tag it, if our pconfig is set.
if((! $parent) && (get_pconfig($profile_uid,'system','tagifonlyrecip')) && (substr_count($str_contact_allow,'<') == 1) && ($str_group_allow == '') && ($str_contact_deny == '') && ($str_group_deny == '')) {
$x = q("select abook_id, abconfig.v from abook left join abconfig on abook_xchan = abconfig.xchan and abook_channel = abconfig.chan and cat= 'their_perms' and abconfig.k = 'tag_deliver' and abconfig.v = 1 and abook_xchan = '%s' and abook_channel = %d limit 1",
dbesc(str_replace(array('<','>'),array('',''),$str_contact_allow)),
intval($profile_uid)
);
if($x)
$body .= "\n\n@group+" . $x[0]['abook_id'] . "\n";
}
$body = cleanup_bbcode($body);
// Look for tags and linkify them
$results = linkify_tags($a, $body, ($uid) ? $uid : $profile_uid);
if($results) {
// Set permissions based on tag replacements
set_linkified_perms($results, $str_contact_allow, $str_group_allow, $profile_uid, $parent_item, $private);
$post_tags = array();
foreach($results as $result) {
$success = $result['success'];
if($success['replaced']) {
$post_tags[] = array(
'uid' => $profile_uid,
'ttype' => $success['termtype'],
'otype' => TERM_OBJ_POST,
'term' => $success['term'],
'url' => $success['url']
);
}
}
}
/**
*
* 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,$str_group_deny);
fix_attached_file_permissions($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 = array();
$i = 0;
foreach($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[] = array(
'href' => z_root() . '/attach/' . $r['data']['hash'],
'length' => $r['data']['filesize'],
'type' => $r['data']['filetype'],
'title' => urlencode($r['data']['filename']),
'revision' => $r['data']['revision']
);
}
$ext = substr($r['data']['filename'],strrpos($r['data']['filename'],'.'));
if(strpos($r['data']['filetype'],'audio/') !== false)
$attach_link = '[audio]' . z_root() . '/attach/' . $r['data']['hash'] . '/' . $r['data']['revision'] . (($ext) ? $ext : '') . '[/audio]';
elseif(strpos($r['data']['filetype'],'video/') !== false)
$attach_link = '[video]' . z_root() . '/attach/' . $r['data']['hash'] . '/' . $r['data']['revision'] . (($ext) ? $ext : '') . '[/video]';
$body = str_replace($match[1][$i],$attach_link,$body);
$i++;
}
}
}
// BBCODE end alert
if(strlen($categories)) {
$cats = explode(',',$categories);
foreach($cats as $cat) {
if($webpage == ITEM_TYPE_CARD) {
$catlink = z_root() . '/cards/' . $channel['channel_address'] . '?f=&cat=' . urlencode(trim($cat));
}
elseif($webpage == ITEM_TYPE_ARTICLE) {
$catlink = z_root() . '/articles/' . $channel['channel_address'] . '?f=&cat=' . urlencode(trim($cat));
}
else {
$catlink = $owner_xchan['xchan_url'] . '?f=&cat=' . urlencode(trim($cat));
}
$post_tags[] = array(
'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[] = array(
'uid' => $profile_uid,
'ttype' => $t1['ttype'],
'otype' => TERM_OBJ_POST,
'term' => $t1['term'],
'url' => $t1['url'],
);
}
}
}
$item_unseen = ((local_channel() != $profile_uid) ? 1 : 0);
$item_wall = (($post_type === 'wall' || $post_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' );
if(! $mid) {
$mid = (($message_id) ? $message_id : item_message_id());
}
if(! $parent_mid) {
$parent_mid = $mid;
}
if($parent_item)
$parent_mid = $parent_item['mid'];
// Fallback so that we alway have a thr_parent
if(!$thr_parent)
$thr_parent = $mid;
$datarray = array();
$item_thread_top = ((! $parent) ? 1 : 0);
// fix permalinks for cards
if($webpage == ITEM_TYPE_CARD) {
$plink = z_root() . '/cards/' . $channel['channel_address'] . '/' . (($pagetitle) ? $pagetitle : substr($mid,0,16));
}
if(($parent_item) && ($parent_item['item_type'] == ITEM_TYPE_CARD)) {
$r = q("select v from iconfig where iconfig.cat = 'system' and iconfig.k = 'CARD' and iconfig.iid = %d limit 1",
intval($parent_item['id'])
);
if($r) {
$plink = z_root() . '/cards/' . $channel['channel_address'] . '/' . $r[0]['v'];
}
}
if($webpage == ITEM_TYPE_ARTICLE) {
$plink = z_root() . '/articles/' . $channel['channel_address'] . '/' . (($pagetitle) ? $pagetitle : substr($mid,0,16));
}
if(($parent_item) && ($parent_item['item_type'] == ITEM_TYPE_ARTICLE)) {
$r = q("select v from iconfig where iconfig.cat = 'system' and iconfig.k = 'ARTICLE' and iconfig.iid = %d limit 1",
intval($parent_item['id'])
);
if($r) {
$plink = z_root() . '/articles/' . $channel['channel_address'] . '/' . $r[0]['v'];
}
}
if ((! $plink) && ($item_thread_top)) {
$plink = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . $mid;
}
$datarray['aid'] = $channel['channel_account_id'];
$datarray['uid'] = $profile_uid;
$datarray['owner_xchan'] = (($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;
$datarray['commented'] = (($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['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);
$datarray['item_unseen'] = intval($item_unseen);
$datarray['item_starred'] = intval($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'] = $post_tags;
$datarray['plink'] = $plink;
$datarray['route'] = $route;
if($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']);
$o = conversation(array($datarray),'search',false,'preview');
// logger('preview: ' . $o, LOGGER_DEBUG);
echo json_encode(array('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 = array('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($webpage) {
Zlib\IConfig::Set($datarray,'system', webpage_to_namespace($webpage),
(($pagetitle) ? $pagetitle : substr($datarray['mid'],0,16)),true);
}
elseif($namespace) {
Zlib\IConfig::Set($datarray,'system', $namespace,
(($remote_id) ? $remote_id : substr($datarray['mid'],0,16)),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);
build_sync_packet($profile_uid,array('item' => array(encode_item($sync_item[0],true))));
}
}
if(! $nopush)
\Zotlabs\Daemon\Master::Summon(array('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();
}
else
$post_id = 0;
$post = item_store($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']))) {
Zlib\Enotify::submit(array(
'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)) {
Zlib\Enotify::submit(array(
'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($uid)
);
}
}
// photo comments turn the corresponding item visible to the profile wall
// This way we don't see every picture in your new photo album posted to your wall at once.
// They will show up as people comment on them.
if(intval($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(($parent) && ($parent != $post_id)) {
// Store the comment signature information in case we need to relay to Diaspora
//$ditem = $datarray;
//$ditem['author'] = $observer;
//store_diaspora_comment_sig($ditem,$channel,$parent_item, $post_id, (($walltowall_comment) ? 1 : 0));
}
else {
$r = q("select * from item where id = %d",
intval($post_id)
);
if($r) {
xchan_query($r);
$sync_item = fetch_post_tags($r);
build_sync_packet($profile_uid,array('item' => array(encode_item($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(! $nopush)
\Zotlabs\Daemon\Master::Summon(array('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) {
goaway(z_root() . "/" . $return_path);
}
$json = array('success' => 1);
if(x($_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');
$i = q("select id, uid, author_xchan, owner_xchan, source_xchan, item_type from item where id = %d limit 1",
intval(argv(2))
);
if($i) {
$can_delete = false;
$local_delete = false;
if(local_channel() && local_channel() == $i[0]['uid'])
$local_delete = true;
$sys = get_sys_channel();
if(is_site_admin() && $sys['channel_id'] == $i[0]['uid'])
$can_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']))
$can_delete = true;
if(! ($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);
build_sync_packet($i[0]['uid'],array('item' => array(encode_item($sync_item[0],true))));
}
if($complex) {
tag_deliver($i[0]['uid'],$i[0]['id']);
}
}
}
}
function item_check_service_class($channel_id,$iswebpage) {
$ret = array('success' => false, 'message' => '');
if ($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'])) {
$result['message'] .= upgrade_message() . sprintf( t('You have reached your limit of %1$.0f top level posts.'),$max);
return $result;
}
}
else {
$max = engr_units_to_bytes(service_class_fetch($channel_id,'total_pages'));
if(! service_class_allows($channel_id,'total_pages',$r[0]['total'])) {
$result['message'] .= upgrade_message() . sprintf( t('You have reached your limit of %1$.0f webpages.'),$max);
return $result;
}
}
$ret['success'] = true;
return $ret;
}
}
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