PHP activity_match函数代码示例

//.........这里部分代码省略.........
                    if ((x($ev, 'desc') || x($ev, 'summary')) && x($ev, 'start')) {
                        $ev['uid'] = $importer['uid'];
                        $ev['uri'] = $item_id;
                        $ev['edited'] = $datarray['edited'];
                        $ev['private'] = $datarray['private'];
                        $ev['guid'] = $datarray['guid'];
                        if (is_array($contact)) {
                            $ev['cid'] = $contact['id'];
                        }
                        $r = q("SELECT * FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), intval($importer['uid']));
                        if (count($r)) {
                            $ev['id'] = $r[0]['id'];
                        }
                        $xyz = event_store($ev);
                        continue;
                    }
                }
                if ($contact['network'] === NETWORK_OSTATUS || stristr($contact['url'], 'twitter.com')) {
                    if (strlen($datarray['title'])) {
                        unset($datarray['title']);
                    }
                    $datarray['last-child'] = 1;
                }
                $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), intval($importer['uid']));
                // Update content if 'updated' changes
                if (count($r)) {
                    if (edited_timestamp_is_newer($r[0], $datarray)) {
                        // do not accept (ignore) an earlier edit than one we currently have.
                        if (datetime_convert('UTC', 'UTC', $datarray['edited']) < $r[0]['edited']) {
                            continue;
                        }
                        $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `edited` = '%s', `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d", dbesc($datarray['title']), dbesc($datarray['body']), dbesc($datarray['tag']), dbesc(datetime_convert('UTC', 'UTC', $datarray['edited'])), dbesc(datetime_convert()), dbesc($item_id), intval($importer['uid']));
                        create_tags_from_itemuri($item_id, $importer['uid']);
                        update_thread_uri($item_id, $importer['uid']);
                    }
                    // update last-child if it changes
                    $allow = $item->get_item_tags(NAMESPACE_DFRN, 'comment-allow');
                    if ($allow && $allow[0]['data'] != $r[0]['last-child']) {
                        $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d", intval($allow[0]['data']), dbesc(datetime_convert()), dbesc($item_id), intval($importer['uid']));
                        update_thread_uri($item_id, $importer['uid']);
                    }
                    continue;
                }
                if (activity_match($datarray['verb'], ACTIVITY_FOLLOW)) {
                    logger('consume-feed: New follower');
                    new_follower($importer, $contact, $datarray, $item);
                    return;
                }
                if (activity_match($datarray['verb'], ACTIVITY_UNFOLLOW)) {
                    lose_follower($importer, $contact, $datarray, $item);
                    return;
                }
                if (activity_match($datarray['verb'], ACTIVITY_REQ_FRIEND)) {
                    logger('consume-feed: New friend request');
                    new_follower($importer, $contact, $datarray, $item, true);
                    return;
                }
                if (activity_match($datarray['verb'], ACTIVITY_UNFRIEND)) {
                    lose_sharer($importer, $contact, $datarray, $item);
                    return;
                }
                if (!is_array($contact)) {
                    return;
                }
                if ($contact['network'] === NETWORK_FEED || !strlen($contact['notify'])) {
                    // one way feed - no remote comment ability
                    $datarray['last-child'] = 0;
                }
                if ($contact['network'] === NETWORK_FEED) {
                    $datarray['private'] = 2;
                }
                $datarray['parent-uri'] = $item_id;
                $datarray['uid'] = $importer['uid'];
                $datarray['contact-id'] = $contact['id'];
                if (!link_compare($datarray['owner-link'], $contact['url'])) {
                    // The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
                    // but otherwise there's a possible data mixup on the sender's system.
                    // the tgroup delivery code called from item_store will correct it if it's a forum,
                    // but we're going to unconditionally correct it here so that the post will always be owned by our contact.
                    logger('consume_feed: Correcting item owner.', LOGGER_DEBUG);
                    $datarray['owner-name'] = $contact['name'];
                    $datarray['owner-link'] = $contact['url'];
                    $datarray['owner-avatar'] = $contact['thumb'];
                }
                // We've allowed "followers" to reach this point so we can decide if they are
                // posting an @-tag delivery, which followers are allowed to do for certain
                // page types. Now that we've parsed the post, let's check if it is legit. Otherwise ignore it.
                if ($contact['rel'] == CONTACT_IS_FOLLOWER && !tgroup_check($importer['uid'], $datarray)) {
                    continue;
                }
                // This is my contact on another system, but it's really me.
                // Turn this into a wall post.
                $notify = item_is_remote_self($contact, $datarray);
                $r = item_store($datarray, false, $notify);
                logger('Stored - Contact ' . $contact['url'] . ' Notify ' . $notify . ' return ' . $r . ' Item ' . print_r($datarray, true), LOGGER_DEBUG);
                continue;
            }
        }
    }
}

//.........这里部分代码省略.........
        if ($cmd === 'edit' && $can_post) {
            $edit_tpl = get_markup_template('photo_edit.tpl');
            $edit = replace_macros($edit_tpl, array('$id' => $ph[0]['id'], '$rotate' => t('Rotate CW'), '$album' => template_escape($ph[0]['album']), '$newalbum' => t('New album name'), '$nickname' => $a->data['user']['nickname'], '$resource_id' => $ph[0]['resource-id'], '$capt_label' => t('Caption'), '$caption' => template_escape($ph[0]['desc']), '$tag_label' => t('Add a Tag'), '$tags' => $link_item['tag'], '$permissions' => t('Permissions'), '$aclselect' => template_escape(populate_acl($ph[0])), '$help_tags' => t('Example: @bob, @Barbara_Jensen, @jim@example.com, #California, #camping'), '$item_id' => count($linked_items) ? $link_item['id'] : 0, '$submit' => t('Submit'), '$delete' => t('Delete Photo')));
        }
        if (count($linked_items)) {
            $cmnt_tpl = get_markup_template('comment_item.tpl');
            $tpl = get_markup_template('photo_item.tpl');
            $return_url = $a->cmd;
            $like_tpl = get_markup_template('like_noshare.tpl');
            $likebuttons = '';
            if ($can_post || can_write_wall($a, $owner_uid)) {
                $likebuttons = replace_macros($like_tpl, array('$id' => $link_item['id'], '$likethis' => t("I like this (toggle)"), '$nolike' => t("I don't like this (toggle)"), '$share' => t('Share'), '$wait' => t('Please wait')));
            }
            $comments = '';
            if (!count($r)) {
                if ($can_post || can_write_wall($a, $owner_uid)) {
                    if ($link_item['last-child']) {
                        $comments .= replace_macros($cmnt_tpl, array('$return_path' => '', '$jsreload' => $return_url, '$type' => 'wall-comment', '$id' => $link_item['id'], '$parent' => $link_item['id'], '$profile_uid' => $owner_uid, '$mylink' => $contact['url'], '$mytitle' => t('This is you'), '$myphoto' => $contact['thumb'], '$comment' => t('Comment'), '$submit' => t('Submit'), '$preview' => t('Preview'), '$ww' => ''));
                    }
                }
            }
            $alike = array();
            $dlike = array();
            $like = '';
            $dislike = '';
            // display comments
            if (count($r)) {
                foreach ($r as $item) {
                    like_puller($a, $item, $alike, 'like');
                    like_puller($a, $item, $dlike, 'dislike');
                }
                $like = isset($alike[$link_item['id']]) ? format_like($alike[$link_item['id']], $alike[$link_item['id'] . '-l'], 'like', $link_item['id']) : '';
                $dislike = isset($dlike[$link_item['id']]) ? format_like($dlike[$link_item['id']], $dlike[$link_item['id'] . '-l'], 'dislike', $link_item['id']) : '';
                if ($can_post || can_write_wall($a, $owner_uid)) {
                    if ($link_item['last-child']) {
                        $comments .= replace_macros($cmnt_tpl, array('$return_path' => '', '$jsreload' => $return_url, '$type' => 'wall-comment', '$id' => $link_item['id'], '$parent' => $link_item['id'], '$profile_uid' => $owner_uid, '$mylink' => $contact['url'], '$mytitle' => t('This is you'), '$myphoto' => $contact['thumb'], '$comment' => t('Comment'), '$submit' => t('Submit'), '$ww' => ''));
                    }
                }
                foreach ($r as $item) {
                    $comment = '';
                    $template = $tpl;
                    $sparkle = '';
                    if ((activity_match($item['verb'], ACTIVITY_LIKE) || activity_match($item['verb'], ACTIVITY_DISLIKE)) && $item['id'] != $item['parent']) {
                        continue;
                    }
                    $redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'];
                    if ($can_post || can_write_wall($a, $owner_uid)) {
                        if ($item['last-child']) {
                            $comments .= replace_macros($cmnt_tpl, array('$return_path' => '', '$jsreload' => $return_url, '$type' => 'wall-comment', '$id' => $item['item_id'], '$parent' => $item['parent'], '$profile_uid' => $owner_uid, '$mylink' => $contact['url'], '$mytitle' => t('This is you'), '$myphoto' => $contact['thumb'], '$comment' => t('Comment'), '$submit' => t('Submit'), '$ww' => ''));
                        }
                    }
                    if (local_user() && $item['contact-uid'] == local_user() && $item['network'] == 'dfrn' && !$item['self']) {
                        $profile_url = $redirect_url;
                        $sparkle = ' sparkle';
                    } else {
                        $profile_url = $item['url'];
                        $sparkle = '';
                    }
                    $diff_author = $item['url'] !== $item['author-link'] ? true : false;
                    $profile_name = strlen($item['author-name']) && $diff_author ? $item['author-name'] : $item['name'];
                    $profile_avatar = strlen($item['author-avatar']) && $diff_author ? $item['author-avatar'] : $item['thumb'];
                    $profile_link = $profile_url;
                    $drop = '';
                    if ($item['contact-id'] == remote_user() || $item['uid'] == local_user()) {
                        $drop = replace_macros(get_markup_template('photo_drop.tpl'), array('$id' => $item['id'], '$delete' => t('Delete')));
                    }
                    $comments .= replace_macros($template, array('$id' => $item['item_id'], '$profile_url' => $profile_link, '$name' => template_escape($profile_name), '$thumb' => $profile_avatar, '$sparkle' => $sparkle, '$title' => template_escape($item['title']), '$body' => template_escape(bbcode($item['body'])), '$ago' => relative_date($item['created']), '$indent' => $item['parent'] != $item['item_id'] ? ' comment' : '', '$drop' => $drop, '$comment' => $comment));
                }
            }
            $paginate = paginate($a);
        }
        $photo_tpl = get_markup_template('photo_view.tpl');
        $o .= replace_macros($photo_tpl, array('$id' => $ph[0]['id'], '$album' => array($album_link, template_escape($ph[0]['album'])), '$tools' => $tools, '$lock' => $lock, '$photo' => $photo, '$prevlink' => $prevlink, '$nextlink' => $nextlink, '$desc' => $ph[0]['desc'], '$tags' => template_escape($tags), '$edit' => $edit, '$likebuttons' => $likebuttons, '$like' => template_escape($like), '$dislike' => template_escape($dislike), '$comments' => $comments, '$paginate' => $paginate));
        return $o;
    }
    // Default - show recent photos with upload link (if applicable)
    //$o = '';
    $r = q("SELECT `resource-id`, max(`scale`) AS `scale` FROM `photo` WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' \n\t\t{$sql_extra} GROUP BY `resource-id`", intval($a->data['user']['uid']), dbesc('Contact Photos'), dbesc(t('Contact Photos')));
    if (count($r)) {
        $a->set_pager_total(count($r));
        $a->set_pager_itemspage(20);
    }
    $r = q("SELECT `resource-id`, `id`, `filename`, `album`, max(`scale`) AS `scale` FROM `photo`\n\t\tWHERE `uid` = %d AND `album` != '%s' AND `album` != '%s'  \n\t\t{$sql_extra} GROUP BY `resource-id` ORDER BY `created` DESC LIMIT %d , %d", intval($a->data['user']['uid']), dbesc('Contact Photos'), dbesc(t('Contact Photos')), intval($a->pager['start']), intval($a->pager['itemspage']));
    $photos = array();
    if (count($r)) {
        $twist = 'rotright';
        foreach ($r as $rr) {
            if ($twist == 'rotright') {
                $twist = 'rotleft';
            } else {
                $twist = 'rotright';
            }
            $photos[] = array('id' => $rr['id'], 'twist' => ' ' . $twist . rand(2, 4), 'link' => $a->get_baseurl() . '/photos/' . $a->data['user']['nickname'] . '/image/' . $rr['resource-id'], 'title' => t('View Photo'), 'src' => $a->get_baseurl() . '/photo/' . $rr['resource-id'] . '-' . ($rr['scale'] == 6 ? 4 : $rr['scale']) . '.jpg', 'alt' => template_escape($rr['filename']), 'album' => array('link' => $a->get_baseurl() . '/photos/' . $a->data['user']['nickname'] . '/album/' . bin2hex($rr['album']), 'name' => template_escape($rr['album']), 'alt' => t('View Album')));
        }
    }
    $tpl = get_markup_template('photos_recent.tpl');
    $o .= replace_macros($tpl, array('$title' => t('Recent Photos'), '$can_post' => $can_post, '$upload' => array(t('Upload New Photos'), $a->get_baseurl() . '/photos/' . $a->data['user']['nickname'] . '/upload'), '$photos' => $photos));
    $o .= paginate($a);
    return $o;
}

 function builtin_activity_puller($item, &$conv_responses)
 {
     foreach ($conv_responses as $mode => $v) {
         $url = '';
         $sparkle = '';
         switch ($mode) {
             case 'like':
                 $verb = ACTIVITY_LIKE;
                 break;
             case 'dislike':
                 $verb = ACTIVITY_DISLIKE;
                 break;
             case 'attendyes':
                 $verb = ACTIVITY_ATTEND;
                 break;
             case 'attendno':
                 $verb = ACTIVITY_ATTENDNO;
                 break;
             case 'attendmaybe':
                 $verb = ACTIVITY_ATTENDMAYBE;
                 break;
             default:
                 return;
                 break;
         }
         if (activity_match($item['verb'], $verb) && $item['id'] != $item['parent']) {
             $url = $item['author-link'];
             if (local_user() && local_user() == $item['uid'] && $item['network'] === NETWORK_DFRN && !$item['self'] && link_compare($item['author-link'], $item['url'])) {
                 $url = z_root(true) . '/redir/' . $item['contact-id'];
                 $sparkle = ' class="sparkle" ';
             } else {
                 $url = zrl($url);
             }
             $url = '<a href="' . $url . '"' . $sparkle . '>' . htmlentities($item['author-name']) . '</a>';
             if (!$item['thr-parent']) {
                 $item['thr-parent'] = $item['parent-uri'];
             }
             if (!(isset($conv_responses[$mode][$item['thr-parent'] . '-l']) && is_array($conv_responses[$mode][$item['thr-parent'] . '-l']))) {
                 $conv_responses[$mode][$item['thr-parent'] . '-l'] = array();
             }
             // only list each unique author once
             if (in_array($url, $conv_responses[$mode][$item['thr-parent'] . '-l'])) {
                 continue;
             }
             if (!isset($conv_responses[$mode][$item['thr-parent']])) {
                 $conv_responses[$mode][$item['thr-parent']] = 1;
             } else {
                 $conv_responses[$mode][$item['thr-parent']]++;
             }
             $conv_responses[$mode][$item['thr-parent'] . '-l'][] = $url;
             // there can only be one activity verb per item so if we found anything, we can stop looking
             return;
         }
     }
 }

//.........这里部分代码省略.........
        if ($r) {
            $thread_owner = $r[0];
        } else {
            killme();
        }
        $r = q("select * from xchan where xchan_hash = '%s' limit 1", dbesc($item['author_xchan']));
        if ($r) {
            $item_author = $r[0];
        } else {
            killme();
        }
        $verbs = " '" . dbesc($activity) . "' ";
        $multi_undo = 0;
        // event participation and consensus items are essentially radio toggles. If you make a subsequent choice,
        // we need to eradicate your first choice.
        if ($activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE) {
            $verbs = " '" . dbesc(ACTIVITY_ATTEND) . "','" . dbesc(ACTIVITY_ATTENDNO) . "','" . dbesc(ACTIVITY_ATTENDMAYBE) . "' ";
            $multi_undo = 1;
        }
        if ($activity === ACTIVITY_AGREE || $activity === ACTIVITY_DISAGREE || $activity === ACTIVITY_ABSTAIN) {
            $verbs = " '" . dbesc(ACTIVITY_AGREE) . "','" . dbesc(ACTIVITY_DISAGREE) . "','" . dbesc(ACTIVITY_ABSTAIN) . "' ";
            $multi_undo = 1;
        }
        $r = q("SELECT id, parent, uid, verb FROM item WHERE verb in ( {$verbs} ) AND item_restrict = 0 \n\t\t\tAND author_xchan = '%s' AND ( parent = %d OR thr_parent = '%s') and uid = %d ", dbesc($observer['xchan_hash']), intval($item_id), dbesc($item['mid']), intval($owner_uid));
        if ($r) {
            // already liked it. Drop that item.
            require_once 'include/items.php';
            foreach ($r as $rr) {
                drop_item($rr['id'], false, DROPITEM_PHASE1);
                // set the changed timestamp on the parent so we'll see the update without a page reload
                $z = q("update item set changed = '%s' where id = %d and uid = %d", dbesc(datetime_convert()), intval($rr['parent']), intval($rr['uid']));
                // Prior activity was a duplicate of the one we're submitting, just undo it;
                // don't fall through and create another
                if (activity_match($rr['verb'], $activity)) {
                    $multi_undo = false;
                }
            }
            if ($interactive) {
                return;
            }
            if (!$multi_undo) {
                killme();
            }
        }
    }
    $mid = item_message_id();
    if ($extended_like) {
        $item_flags = ITEM_THREAD_TOP | ITEM_ORIGIN | ITEM_WALL;
    } else {
        $post_type = $item['resource_type'] === 'photo' ? t('photo') : t('status');
        if ($item['obj_type'] === ACTIVITY_OBJ_EVENT) {
            $post_type = t('event');
        }
        $links = array(array('rel' => 'alternate', 'type' => 'text/html', 'href' => $item['plink']));
        $objtype = $item['resource_type'] === 'photo' ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE;
        $body = $item['body'];
        $object = json_encode(array('type' => $objtype, 'id' => $item['mid'], 'parent' => $item['thr_parent'] ? $item['thr_parent'] : $item['parent_mid'], 'link' => $links, 'title' => $item['title'], 'content' => $item['body'], 'created' => $item['created'], 'edited' => $item['edited'], 'author' => array('name' => $item_author['xchan_name'], 'address' => $item_author['xchan_addr'], 'guid' => $item_author['xchan_guid'], 'guid_sig' => $item_author['xchan_guid_sig'], 'link' => array(array('rel' => 'alternate', 'type' => 'text/html', 'href' => $item_author['xchan_url']), array('rel' => 'photo', 'type' => $item_author['xchan_photo_mimetype'], 'href' => $item_author['xchan_photo_m'])))));
        if (!($item['item_flags'] & ITEM_THREAD_TOP)) {
            $post_type = 'comment';
        }
        $item_flags = ITEM_ORIGIN | ITEM_NOTSHOWN;
        if ($item['item_flags'] & ITEM_WALL) {
            $item_flags |= ITEM_WALL;
        }
        // if this was a linked photo and was hidden, unhide it.
        if ($item['item_restrict'] & ITEM_HIDDEN) {

 function like_puller($a, $item, &$arr, $mode)
 {
     $url = '';
     $sparkle = '';
     $verb = $mode === 'like' ? ACTIVITY_LIKE : ACTIVITY_DISLIKE;
     if (activity_match($item['verb'], $verb) && $item['id'] != $item['parent']) {
         $url = $item['author-link'];
         if (local_user() && local_user() == $item['uid'] && $item['network'] === 'dfrn' && !$item['self'] && link_compare($item['author-link'], $item['url'])) {
             $url = $a->get_baseurl(true) . '/redir/' . $item['contact-id'];
             $sparkle = ' class="sparkle" ';
         } else {
             $url = zrl($url);
         }
         if (!$item['thr-parent']) {
             $item['thr-parent'] = $item['parent-uri'];
         }
         if (!(isset($arr[$item['thr-parent'] . '-l']) && is_array($arr[$item['thr-parent'] . '-l']))) {
             $arr[$item['thr-parent'] . '-l'] = array();
         }
         if (!isset($arr[$item['thr-parent']])) {
             $arr[$item['thr-parent']] = 1;
         } else {
             $arr[$item['thr-parent']]++;
         }
         $arr[$item['thr-parent'] . '-l'][] = '<a href="' . $url . '"' . $sparkle . '>' . $item['author-name'] . '</a>';
     }
     return;
 }

/**
 * @brief
 *
 * @param array $sender an associative array with
 *   * \e string \b hash a xchan_hash
 * @param array $arr an associative array
 *   * \e int \b verb
 *   * \e int \b obj_type
 *   * \e int \b mid
 * @param int $uid
 */
function remove_community_tag($sender, $arr, $uid)
{
    if (!(activity_match($arr['verb'], ACTIVITY_TAG) && $arr['obj_type'] == ACTIVITY_OBJ_TAGTERM)) {
        return;
    }
    logger('remove_community_tag: invoked');
    if (!get_pconfig($uid, 'system', 'blocktags')) {
        logger('remove_community tag: permission denied.');
        return;
    }
    $r = q("select * from item where mid = '%s' and uid = %d limit 1", dbesc($arr['mid']), intval($uid));
    if (!$r) {
        logger('remove_community_tag: no item');
        return;
    }
    if ($sender['hash'] != $r[0]['owner_xchan'] && $sender['hash'] != $r[0]['author_xchan']) {
        logger('remove_community_tag: sender not authorised.');
        return;
    }
    $i = $r[0];
    if ($i['target']) {
        $i['target'] = json_decode_plus($i['target']);
    }
    if ($i['object']) {
        $i['object'] = json_decode_plus($i['object']);
    }
    if (!($i['target'] && $i['object'])) {
        logger('remove_community_tag: no target/object');
        return;
    }
    $message_id = $i['target']['id'];
    $r = q("select id from item where mid = '%s' and uid = %d limit 1", dbesc($message_id), intval($uid));
    if (!$r) {
        logger('remove_community_tag: no parent message');
        return;
    }
    q("delete from term where uid = %d and oid = %d and otype = %d and type = %d and term = '%s' and url = '%s'", intval($uid), intval($r[0]['id']), intval(TERM_OBJ_POST), intval(TERM_HASHTAG), dbesc($i['object']['title']), dbesc(get_rel_link($i['object']['link'], 'alternate')));
}

//.........这里部分代码省略.........
                            }
                            if (strncasecmp($subject, 'RE:', 3)) {
                                $subject = 'Re: ' . $subject;
                            }
                        }
                        email_send($addr, $subject, $headers, $it);
                    }
                    break;
                case NETWORK_DIASPORA:
                    if (get_config('system', 'dfrn_only') || !get_config('system', 'diaspora_enabled')) {
                        break;
                    }
                    if ($mail) {
                        diaspora_send_mail($item, $owner, $contact);
                        break;
                    }
                    if (!$normal_mode) {
                        break;
                    }
                    // special handling for followup to public post
                    // all other public posts processed as public batches further below
                    if ($public_message) {
                        if ($followup) {
                            diaspora_send_followup($target_item, $owner, $contact, true);
                        }
                        break;
                    }
                    if (!$contact['pubkey']) {
                        break;
                    }
                    $unsupported_activities = array(ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE);
                    //don't transmit activities which are not supported by diaspora
                    foreach ($unsupported_activities as $act) {
                        if (activity_match($target_item['verb'], $act)) {
                            break 2;
                        }
                    }
                    if ($target_item['deleted'] && ($target_item['uri'] === $target_item['parent-uri'] || $followup)) {
                        // send both top-level retractions and relayable retractions for owner to relay
                        diaspora_send_retraction($target_item, $owner, $contact);
                        break;
                    } elseif ($followup) {
                        // send comments and likes to owner to relay
                        diaspora_send_followup($target_item, $owner, $contact);
                        break;
                    } elseif ($target_item['uri'] !== $target_item['parent-uri']) {
                        // we are the relay - send comments, likes and relayable_retractions
                        // (of comments and likes) to our conversants
                        diaspora_send_relay($target_item, $owner, $contact);
                        break;
                    } elseif ($top_level && !$walltowall) {
                        // currently no workable solution for sending walltowall
                        diaspora_send_status($target_item, $owner, $contact);
                        break;
                    }
                    break;
                case NETWORK_FEED:
                case NETWORK_FACEBOOK:
                    if (get_config('system', 'dfrn_only')) {
                        break;
                    }
                case NETWORK_PUMPIO:
                    if (get_config('system', 'dfrn_only')) {
                        break;
                    }
                default:

//.........这里部分代码省略.........
            $dislike = '';
            $conv_responses = array('like' => array('title' => t('Likes', 'title')), 'dislike' => array('title' => t('Dislikes', 'title')), 'agree' => array('title' => t('Agree', 'title')), 'disagree' => array('title' => t('Disagree', 'title')), 'abstain' => array('title' => t('Abstain', 'title')), 'attendyes' => array('title' => t('Attending', 'title')), 'attendno' => array('title' => t('Not attending', 'title')), 'attendmaybe' => array('title' => t('Might attend', 'title')));
            if ($r) {
                foreach ($r as $item) {
                    builtin_activity_puller($item, $conv_responses);
                }
                $like_count = x($alike, $link_item['mid']) ? $alike[$link_item['mid']] : '';
                $like_list = x($alike, $link_item['mid']) ? $alike[$link_item['mid'] . '-l'] : '';
                if (count($like_list) > MAX_LIKERS) {
                    $like_list_part = array_slice($like_list, 0, MAX_LIKERS);
                    array_push($like_list_part, '<a href="#" data-toggle="modal" data-target="#likeModal-' . $this->get_id() . '"><b>' . t('View all') . '</b></a>');
                } else {
                    $like_list_part = '';
                }
                $like_button_label = tt('Like', 'Likes', $like_count, 'noun');
                //if (feature_enabled($conv->get_profile_owner(),'dislike')) {
                $dislike_count = x($dlike, $link_item['mid']) ? $dlike[$link_item['mid']] : '';
                $dislike_list = x($dlike, $link_item['mid']) ? $dlike[$link_item['mid'] . '-l'] : '';
                $dislike_button_label = tt('Dislike', 'Dislikes', $dislike_count, 'noun');
                if (count($dislike_list) > MAX_LIKERS) {
                    $dislike_list_part = array_slice($dislike_list, 0, MAX_LIKERS);
                    array_push($dislike_list_part, '<a href="#" data-toggle="modal" data-target="#dislikeModal-' . $this->get_id() . '"><b>' . t('View all') . '</b></a>');
                } else {
                    $dislike_list_part = '';
                }
                //}
                $like = isset($alike[$link_item['mid']]) ? format_like($alike[$link_item['mid']], $alike[$link_item['mid'] . '-l'], 'like', $link_item['mid']) : '';
                $dislike = isset($dlike[$link_item['mid']]) ? format_like($dlike[$link_item['mid']], $dlike[$link_item['mid'] . '-l'], 'dislike', $link_item['mid']) : '';
                // display comments
                foreach ($r as $item) {
                    $comment = '';
                    $template = $tpl;
                    $sparkle = '';
                    if ((activity_match($item['verb'], ACTIVITY_LIKE) || activity_match($item['verb'], ACTIVITY_DISLIKE)) && $item['id'] != $item['parent']) {
                        continue;
                    }
                    $redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'];
                    $profile_url = zid($item['author']['xchan_url']);
                    $sparkle = '';
                    $profile_name = $item['author']['xchan_name'];
                    $profile_avatar = $item['author']['xchan_photo_m'];
                    $profile_link = $profile_url;
                    $drop = '';
                    if ($observer['xchan_hash'] === $item['author_xchan'] || $observer['xchan_hash'] === $item['owner_xchan']) {
                        $drop = replace_macros(get_markup_template('photo_drop.tpl'), array('$id' => $item['id'], '$delete' => t('Delete')));
                    }
                    $name_e = $profile_name;
                    $title_e = $item['title'];
                    unobscure($item);
                    $body_e = prepare_text($item['body'], $item['mimetype']);
                    $comments .= replace_macros($template, array('$id' => $item['id'], '$mode' => 'photos', '$profile_url' => $profile_link, '$name' => $name_e, '$thumb' => $profile_avatar, '$sparkle' => $sparkle, '$title' => $title_e, '$body' => $body_e, '$ago' => relative_date($item['created']), '$indent' => $item['parent'] != $item['id'] ? ' comment' : '', '$drop' => $drop, '$comment' => $comment));
                }
                if ($can_post || $can_comment) {
                    $commentbox = replace_macros($cmnt_tpl, array('$return_path' => '', '$jsreload' => $return_url, '$type' => 'wall-comment', '$id' => $link_item['id'], '$parent' => $link_item['id'], '$profile_uid' => $owner_uid, '$mylink' => $observer['xchan_url'], '$mytitle' => t('This is you'), '$myphoto' => $observer['xchan_photo_s'], '$comment' => t('Comment'), '$submit' => t('Submit'), '$ww' => ''));
                }
            }
            $paginate = paginate($a);
        }
        $album_e = array($album_link, $ph[0]['album']);
        $like_e = $like;
        $dislike_e = $dislike;
        $response_verbs = array('like');
        if (feature_enabled($owner_uid, 'dislike')) {
            $response_verbs[] = 'dislike';
        }
        $responses = get_responses($conv_responses, $response_verbs, '', $link_item);

function render_content(&$a, $items, $mode, $update, $preview = false)
{
    require_once 'include/bbcode.php';
    require_once 'mod/proxy.php';
    $ssl_state = local_user() ? true : false;
    $profile_owner = 0;
    $page_writeable = false;
    $previewing = $preview ? ' preview ' : '';
    if ($mode === 'network') {
        $profile_owner = local_user();
        $page_writeable = true;
    }
    if ($mode === 'profile') {
        $profile_owner = $a->profile['profile_uid'];
        $page_writeable = can_write_wall($a, $profile_owner);
    }
    if ($mode === 'notes') {
        $profile_owner = local_user();
        $page_writeable = true;
    }
    if ($mode === 'display') {
        $profile_owner = $a->profile['uid'];
        $page_writeable = can_write_wall($a, $profile_owner);
    }
    if ($mode === 'community') {
        $profile_owner = 0;
        $page_writeable = false;
    }
    if ($update) {
        $return_url = $_SESSION['return_url'];
    } else {
        $return_url = $_SESSION['return_url'] = $a->query_string;
    }
    load_contact_links(local_user());
    $cb = array('items' => $items, 'mode' => $mode, 'update' => $update, 'preview' => $preview);
    call_hooks('conversation_start', $cb);
    $items = $cb['items'];
    $cmnt_tpl = get_markup_template('comment_item.tpl');
    $tpl = 'wall_item.tpl';
    $wallwall = 'wallwall_item.tpl';
    $hide_comments_tpl = get_markup_template('hide_comments.tpl');
    $alike = array();
    $dlike = array();
    // array with html for each thread (parent+comments)
    $threads = array();
    $threadsid = -1;
    if ($items && count($items)) {
        if ($mode === 'network-new' || $mode === 'search' || $mode === 'community') {
            // "New Item View" on network page or search page results
            // - just loop through the items and format them minimally for display
            //$tpl = get_markup_template('search_item.tpl');
            $tpl = 'search_item.tpl';
            foreach ($items as $item) {
                $threadsid++;
                $comment = '';
                $owner_url = '';
                $owner_photo = '';
                $owner_name = '';
                $sparkle = '';
                if ($mode === 'search' || $mode === 'community') {
                    if ((activity_match($item['verb'], ACTIVITY_LIKE) || activity_match($item['verb'], ACTIVITY_DISLIKE)) && $item['id'] != $item['parent']) {
                        continue;
                    }
                    $nickname = $item['nickname'];
                } else {
                    $nickname = $a->user['nickname'];
                }
                // prevent private email from leaking.
                if ($item['network'] === NETWORK_MAIL && local_user() != $item['uid']) {
                    continue;
                }
                $profile_name = strlen($item['author-name']) ? $item['author-name'] : $item['name'];
                if ($item['author-link'] && !$item['author-name']) {
                    $profile_name = $item['author-link'];
                }
                $sp = false;
                $profile_link = best_link_url($item, $sp);
                if ($profile_link === 'mailbox') {
                    $profile_link = '';
                }
                if ($sp) {
                    $sparkle = ' sparkle';
                } else {
                    $profile_link = zrl($profile_link);
                }
                $normalised = normalise_link(strlen($item['author-link']) ? $item['author-link'] : $item['url']);
                if ($normalised != 'mailbox' && x($a->contacts[$normalised])) {
                    $profile_avatar = $a->contacts[$normalised]['thumb'];
                } else {
                    $profile_avatar = strlen($item['author-avatar']) ? $a->get_cached_avatar_image($item['author-avatar']) : $item['thumb'];
                }
                $locate = array('location' => $item['location'], 'coord' => $item['coord'], 'html' => '');
                call_hooks('render_location', $locate);
                $location = strlen($locate['html']) ? $locate['html'] : render_location_dummy($locate);
                localize_item($item);
                if ($mode === 'network-new') {
                    $dropping = true;
                } else {
                    $dropping = false;
                }
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                }
                $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), intval($importer['uid']));
                // Update content if 'updated' changes
                if (count($r)) {
                    if (x($datarray, 'edited') !== false && datetime_convert('UTC', 'UTC', $datarray['edited']) !== $r[0]['edited']) {
                        $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($datarray['title']), dbesc($datarray['body']), dbesc($datarray['tag']), dbesc(datetime_convert('UTC', 'UTC', $datarray['edited'])), dbesc($item_id), intval($importer['uid']));
                    }
                    // update last-child if it changes
                    $allow = $item->get_item_tags(NAMESPACE_DFRN, 'comment-allow');
                    if ($allow && $allow[0]['data'] != $r[0]['last-child']) {
                        $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc(datetime_convert()), dbesc($parent_uri), intval($importer['uid']));
                        $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s'  WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", intval($allow[0]['data']), dbesc(datetime_convert()), dbesc($item_id), intval($importer['uid']));
                    }
                    continue;
                }
                $force_parent = false;
                if ($contact['network'] === NETWORK_OSTATUS || stristr($contact['url'], 'twitter.com')) {
                    if ($contact['network'] === NETWORK_OSTATUS) {
                        $force_parent = true;
                    }
                    if (strlen($datarray['title'])) {
                        unset($datarray['title']);
                    }
                    $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc(datetime_convert()), dbesc($parent_uri), intval($importer['uid']));
                    $datarray['last-child'] = 1;
                }
                if ($contact['network'] === NETWORK_FEED || !strlen($contact['notify'])) {
                    // one way feed - no remote comment ability
                    $datarray['last-child'] = 0;
                }
                $datarray['parent-uri'] = $parent_uri;
                $datarray['uid'] = $importer['uid'];
                $datarray['contact-id'] = $contact['id'];
                if (activity_match($datarray['verb'], ACTIVITY_LIKE) || activity_match($datarray['verb'], ACTIVITY_DISLIKE)) {
                    $datarray['type'] = 'activity';
                    $datarray['gravity'] = GRAVITY_LIKE;
                    // only one like or dislike per person
                    $r = q("select id from item where uid = %d and `contact-id` = %d and verb ='%s' and deleted = 0 limit 1", intval($datarray['uid']), intval($datarray['contact-id']), dbesc($datarray['verb']));
                    if ($r && count($r)) {
                        continue;
                    }
                }
                if ($datarray['verb'] === ACTIVITY_TAG && $datarray['object-type'] === ACTIVITY_OBJ_TAGTERM) {
                    $xo = parse_xml_string($datarray['object'], false);
                    $xt = parse_xml_string($datarray['target'], false);
                    if ($xt->type == ACTIVITY_OBJ_NOTE) {
                        $r = q("select * from item where `uri` = '%s' AND `uid` = %d limit 1", dbesc($xt->id), intval($importer['importer_uid']));
                        if (!count($r)) {
                            continue;
                        }
                        // extract tag, if not duplicate, add to parent item
                        if ($xo->id && $xo->content) {
                            $newtag = '#[url=' . $xo->id . ']' . $xo->content . '[/url]';
                            if (!stristr($r[0]['tag'], $newtag)) {
                                q("UPDATE item SET tag = '%s' WHERE id = %d LIMIT 1", dbesc($r[0]['tag'] . (strlen($r[0]['tag']) ? ',' : '') . $newtag), intval($r[0]['id']));
                            }
                        }
                    }
                }
                $r = item_store($datarray, $force_parent);
                continue;
            } else {
                // Head post of a conversation. Have we seen it? If not, import it.
                $item_id = $item->get_id();
                $datarray = get_atom_elements($feed, $item);
                if (is_array($contact)) {

//.........这里部分代码省略.........
            $edit = array('edit' => t('Edit photo'), 'id' => $ph[0]['id'], 'rotatecw' => t('Rotate CW (right)'), 'rotateccw' => t('Rotate CCW (left)'), 'albums' => $albums['albums'], 'album' => $album_e, 'newalbum' => t('New album name'), 'nickname' => $a->data['channel']['channel_address'], 'resource_id' => $ph[0]['resource_id'], 'capt_label' => t('Caption'), 'caption' => $caption_e, 'tag_label' => t('Add a Tag'), 'permissions' => t('Permissions'), 'aclselect' => $aclselect_e, 'help_tags' => t('Example: @bob, @Barbara_Jensen, @jim@example.com, #California, #camping'), 'item_id' => count($linked_items) ? $link_item['id'] : 0, 'submit' => t('Submit'), 'delete' => t('Delete Photo'));
        }
        if (count($linked_items)) {
            $cmnt_tpl = get_markup_template('comment_item.tpl');
            $tpl = get_markup_template('photo_item.tpl');
            $return_url = $a->cmd;
            $like_tpl = get_markup_template('like_noshare.tpl');
            $likebuttons = '';
            if ($can_post || $can_comment) {
                $likebuttons = replace_macros($like_tpl, array('$id' => $link_item['id'], '$likethis' => t("I like this (toggle)"), '$nolike' => t("I don't like this (toggle)"), '$share' => t('Share'), '$wait' => t('Please wait')));
            }
            $comments = '';
            if (!count($r)) {
                if ($can_post || $can_comment) {
                    $comments .= replace_macros($cmnt_tpl, array('$return_path' => '', '$mode' => 'photos', '$jsreload' => $return_url, '$type' => 'wall-comment', '$id' => $link_item['id'], '$parent' => $link_item['id'], '$profile_uid' => $owner_uid, '$mylink' => $observer['xchan_url'], '$mytitle' => t('This is you'), '$myphoto' => $observer['xchan_photo_s'], '$comment' => t('Comment'), '$submit' => t('Submit'), '$preview' => t('Preview'), '$ww' => '', '$feature_encrypt' => false));
                }
            }
            $alike = array();
            $dlike = array();
            $like = '';
            $dislike = '';
            // display comments
            if ($r) {
                foreach ($r as $item) {
                    like_puller($a, $item, $alike, 'like');
                    like_puller($a, $item, $dlike, 'dislike');
                }
                $like = isset($alike[$link_item['id']]) ? format_like($alike[$link_item['id']], $alike[$link_item['id'] . '-l'], 'like', $link_item['id']) : '';
                $dislike = isset($dlike[$link_item['id']]) ? format_like($dlike[$link_item['id']], $dlike[$link_item['id'] . '-l'], 'dislike', $link_item['id']) : '';
                foreach ($r as $item) {
                    $comment = '';
                    $template = $tpl;
                    $sparkle = '';
                    if ((activity_match($item['verb'], ACTIVITY_LIKE) || activity_match($item['verb'], ACTIVITY_DISLIKE)) && $item['id'] != $item['parent']) {
                        continue;
                    }
                    $redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'];
                    $profile_url = zid($item['author']['xchan_url']);
                    $sparkle = '';
                    $profile_name = $item['author']['xchan_name'];
                    $profile_avatar = $item['author']['xchan_photo_m'];
                    $profile_link = $profile_url;
                    $drop = '';
                    if ($observer['xchan_hash'] === $item['author_xchan'] || $observer['xchan_hash'] === $item['owner_xchan']) {
                        $drop = replace_macros(get_markup_template('photo_drop.tpl'), array('$id' => $item['id'], '$delete' => t('Delete')));
                    }
                    $name_e = $profile_name;
                    $title_e = $item['title'];
                    unobscure($item);
                    $body_e = prepare_text($item['body'], $item['mimetype']);
                    $comments .= replace_macros($template, array('$id' => $item['item_id'], '$mode' => 'photos', '$profile_url' => $profile_link, '$name' => $name_e, '$thumb' => $profile_avatar, '$sparkle' => $sparkle, '$title' => $title_e, '$body' => $body_e, '$ago' => relative_date($item['created']), '$indent' => $item['parent'] != $item['item_id'] ? ' comment' : '', '$drop' => $drop, '$comment' => $comment));
                }
                if ($can_post || $can_comment) {
                    $comments .= replace_macros($cmnt_tpl, array('$return_path' => '', '$jsreload' => $return_url, '$type' => 'wall-comment', '$id' => $link_item['id'], '$parent' => $link_item['id'], '$profile_uid' => $owner_uid, '$mylink' => $observer['xchan_url'], '$mytitle' => t('This is you'), '$myphoto' => $observer['xchan_photo_s'], '$comment' => t('Comment'), '$submit' => t('Submit'), '$ww' => ''));
                }
            }
            $paginate = paginate($a);
        }
        $album_e = array($album_link, $ph[0]['album']);
        $like_e = $like;
        $dislike_e = $dislike;
        $photo_tpl = get_markup_template('photo_view.tpl');
        $o .= replace_macros($photo_tpl, array('$id' => $ph[0]['id'], '$album' => $album_e, '$tools' => $tools, '$lock' => $lock, '$photo' => $photo, '$prevlink' => $prevlink, '$nextlink' => $nextlink, '$desc' => $ph[0]['description'], '$tag_hdr' => t('In This Photo:'), '$tags' => $tags, '$edit' => $edit, '$likebuttons' => $likebuttons, '$like' => $like_e, '$dislike' => $dislike_e, '$comments' => $comments, '$paginate' => $paginate));
        $a->data['photo_html'] = $o;
        return $o;
    }

 /**
  * Add a thread to the conversation
  *
  * Returns:
  *      _ The inserted item on success
  *      _ false on failure
  */
 public function add_thread($item)
 {
     $item_id = $item->get_id();
     if (!$item_id) {
         logger('Item has no ID!!', LOGGER_DEBUG, LOG_ERR);
         return false;
     }
     if ($this->get_thread($item->get_id())) {
         logger('Thread already exists (' . $item->get_id() . ').', LOGGER_DEBUG, LOG_WARNING);
         return false;
     }
     /*
      * Only add things that will be displayed
      */
     if ($item->get_data_value('id') != $item->get_data_value('parent') && (activity_match($item->get_data_value('verb'), ACTIVITY_LIKE) || activity_match($item->get_data_value('verb'), ACTIVITY_DISLIKE))) {
         return false;
     }
     $item->set_commentable(false);
     $ob_hash = $this->observer ? $this->observer['xchan_hash'] : '';
     if (!comments_are_now_closed($item->get_data())) {
         if ($item->get_data_value('author_xchan') === $ob_hash || $item->get_data_value('owner_xchan') === $ob_hash) {
             $item->set_commentable(true);
         }
         if (intval($item->get_data_value('item_nocomment'))) {
             $item->set_commentable(false);
         } elseif ($this->observer && !$item->is_commentable()) {
             if (array_key_exists('owner', $item->data) && intval($item->data['owner']['abook_self'])) {
                 $item->set_commentable(perm_is_allowed($this->profile_owner, $this->observer['xchan_hash'], 'post_comments'));
             } else {
                 $item->set_commentable(can_comment_on_post($this->observer['xchan_hash'], $item->data));
             }
         }
     }
     require_once 'include/identity.php';
     $item->set_conversation($this);
     $this->threads[] = $item;
     return end($this->threads);
 }

function like_puller($a, $item, &$arr, $mode)
{
    $url = '';
    $sparkle = '';
    $verb = $mode === 'like' ? ACTIVITY_LIKE : ACTIVITY_DISLIKE;
    if (activity_match($item['verb'], $verb) && $item['id'] != $item['parent']) {
        $url = chanlink_url($item['author']['xchan_url']);
        if (!$item['thr_parent']) {
            $item['thr_parent'] = $item['parent_mid'];
        }
        if (!(isset($arr[$item['thr_parent'] . '-l']) && is_array($arr[$item['thr_parent'] . '-l']))) {
            $arr[$item['thr_parent'] . '-l'] = array();
        }
        if (!isset($arr[$item['thr_parent']])) {
            $arr[$item['thr_parent']] = 1;
        } else {
            $arr[$item['thr_parent']]++;
        }
        $arr[$item['thr_parent'] . '-l'][] = '<a href="' . $url . '">' . $item['author']['xchan_name'] . '</a>';
    }
    return;
}

function item_post_type($item)
{
    switch ($item['resource_type']) {
        case 'photo':
            $post_type = t('photo');
            break;
        case 'event':
            $post_type = t('event');
            break;
        default:
            $post_type = t('status');
            if ($item['mid'] != $item['parent_mid']) {
                $post_type = t('comment');
            }
            break;
    }
    if (strlen($item['verb']) && !activity_match($item['verb'], ACTIVITY_POST)) {
        $post_type = t('activity');
    }
    return $post_type;
}

//.........这里部分代码省略.........
                    $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1", intval($uid));
                    if ($r1 && $r1[0]['reply_to']) {
                        $reply_to = $r1[0]['reply_to'];
                    }
                    $subject = $it['title'] ? email_header_encode($it['title'], 'UTF-8') : t("(no subject)");
                    // only expose our real email address to true friends
                    if ($contact['rel'] == CONTACT_IS_FRIEND && !$contact['blocked']) {
                        if ($reply_to) {
                            $headers = 'From: ' . email_header_encode($local_user[0]['username'], 'UTF-8') . ' <' . $reply_to . '>' . "\n";
                            $headers .= 'Sender: ' . $local_user[0]['email'] . "\n";
                        } else {
                            $headers = 'From: ' . email_header_encode($local_user[0]['username'], 'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
                        }
                    } else {
                        $headers = 'From: ' . email_header_encode($local_user[0]['username'], 'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
                    }
                    //if($reply_to)
                    //	$headers .= 'Reply-to: ' . $reply_to . "\n";
                    $headers .= 'Message-Id: <' . iri2msgid($it['uri']) . '>' . "\n";
                    //logger("Mail: uri: ".$it['uri']." parent-uri ".$it['parent-uri'], LOGGER_DEBUG);
                    //logger("Mail: Data: ".print_r($it, true), LOGGER_DEBUG);
                    //logger("Mail: Data: ".print_r($it, true), LOGGER_DATA);
                    if ($it['uri'] !== $it['parent-uri']) {
                        $headers .= "References: <" . iri2msgid($it["parent-uri"]) . ">";
                        // If Threading is enabled, write down the correct parent
                        if ($it["thr-parent"] != "" and $it["thr-parent"] != $it["parent-uri"]) {
                            $headers .= " <" . iri2msgid($it["thr-parent"]) . ">";
                        }
                        $headers .= "\n";
                        if (!$it['title']) {
                            $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($it['parent-uri']), intval($uid));
                            if (count($r) and $r[0]['title'] != '') {
                                $subject = $r[0]['title'];
                            } else {
                                $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($it['parent-uri']), intval($uid));
                                if (count($r) and $r[0]['title'] != '') {
                                    $subject = $r[0]['title'];
                                }
                            }
                        }
                        if (strncasecmp($subject, 'RE:', 3)) {
                            $subject = 'Re: ' . $subject;
                        }
                    }
                    email_send($addr, $subject, $headers, $it);
                }
                break;
            case NETWORK_DIASPORA:
                if ($public_message) {
                    $loc = 'public batch ' . $contact['batch'];
                } else {
                    $loc = $contact['name'];
                }
                logger('delivery: diaspora batch deliver: ' . $loc);
                if (get_config('system', 'dfrn_only') || !get_config('system', 'diaspora_enabled') || !$normal_mode) {
                    break;
                }
                if (!$contact['pubkey'] && !$public_message) {
                    break;
                }
                $unsupported_activities = array(ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE);
                //don't transmit activities which are not supported by diaspora
                foreach ($unsupported_activities as $act) {
                    if (activity_match($target_item['verb'], $act)) {
                        break 2;
                    }
                }
                if ($target_item['deleted'] && $target_item['uri'] === $target_item['parent-uri']) {
                    // top-level retraction
                    logger('delivery: diaspora retract: ' . $loc);
                    diaspora_send_retraction($target_item, $owner, $contact, $public_message);
                    break;
                } elseif ($target_item['uri'] !== $target_item['parent-uri']) {
                    // we are the relay - send comments, likes and relayable_retractions to our conversants
                    logger('delivery: diaspora relay: ' . $loc);
                    diaspora_send_relay($target_item, $owner, $contact, $public_message);
                    break;
                } elseif ($top_level && !$walltowall) {
                    // currently no workable solution for sending walltowall
                    logger('delivery: diaspora status: ' . $loc);
                    diaspora_send_status($target_item, $owner, $contact, $public_message);
                    break;
                }
                logger('delivery: diaspora unknown mode: ' . $contact['name']);
                break;
            case NETWORK_FEED:
            case NETWORK_FACEBOOK:
                if (get_config('system', 'dfrn_only')) {
                    break;
                }
            case NETWORK_PUMPIO:
                if (get_config('system', 'dfrn_only')) {
                    break;
                }
            default:
                break;
        }
    }
    return;
}