//.........这里部分代码省略.........
      * Maybe we should establish a way to be notified about conversation changes
      */
     $this->check_wall_to_wall();
     if ($this->is_toplevel()) {
         // FIXME check this permission
         if ($conv->get_profile_owner() == local_channel() && !array_key_exists('real_uid', $item)) {
             // FIXME we don't need all this stuff, some can be done in the template
             $star = array('do' => t("Add Star"), 'undo' => t("Remove Star"), 'toggle' => t("Toggle Star Status"), 'classdo' => intval($item['item_starred']) ? "hidden" : "", 'classundo' => intval($item['item_starred']) ? "" : "hidden", 'isstarred' => intval($item['item_starred']) ? "starred icon-star" : "unstarred icon-star-empty", 'starred' => t('starred'));
         }
     } else {
         $indent = 'comment';
     }
     $verified = intval($item['item_verified']) ? t('Message signature validated') : '';
     $forged = $item['sig'] && !intval($item['item_verified']) ? t('Message signature incorrect') : '';
     $unverified = '';
     // (($this->is_wall_to_wall() && (! intval($item['item_verified']))) ? t('Message cannot be verified') : '');
     // FIXME - check this permission
     if ($conv->get_profile_owner() == local_channel()) {
         $tagger = array('tagit' => t("Add Tag"), 'classtagger' => "");
     }
     $has_bookmarks = false;
     if (is_array($item['term'])) {
         foreach ($item['term'] as $t) {
             if ($t['type'] == TERM_BOOKMARK) {
                 $has_bookmarks = true;
             }
         }
     }
     $has_event = false;
     if ($item['obj_type'] === ACTIVITY_OBJ_EVENT && $conv->get_profile_owner() == local_channel()) {
         $has_event = true;
     }
     if ($this->is_commentable()) {
         $like = array(t("I like this (toggle)"), t("like"));
         $dislike = array(t("I don't like this (toggle)"), t("dislike"));
     }
     if ($shareable) {
         $share = array(t('Share This'), t('share'));
     }
     $dreport = '';
     $keep_reports = intval(get_config('system', 'expire_delivery_reports'));
     if ($keep_reports === 0) {
         $keep_reports = 30;
     }
     if (!get_config('system', 'disable_dreport') && strcmp(datetime_convert('UTC', 'UTC', $item['created']), datetime_convert('UTC', 'UTC', "now - {$keep_reports} days")) > 0) {
         $dreport = t('Delivery Report');
     }
     if (strcmp(datetime_convert('UTC', 'UTC', $item['created']), datetime_convert('UTC', 'UTC', 'now - 12 hours')) > 0) {
         $indent .= ' shiny';
     }
     localize_item($item);
     $body = prepare_body($item, true);
     // $viewthread (below) is only valid in list mode. If this is a channel page, build the thread viewing link
     // since we can't depend on llink or plink pointing to the right local location.
     $owner_address = substr($item['owner']['xchan_addr'], 0, strpos($item['owner']['xchan_addr'], '@'));
     $viewthread = $item['llink'];
     if ($conv->get_mode() === 'channel') {
         $viewthread = z_root() . '/channel/' . $owner_address . '?f=&mid=' . $item['mid'];
     }
     $comment_count_txt = sprintf(tt('%d comment', '%d comments', $total_children), $total_children);
     $list_unseen_txt = $unseen_comments ? sprintf('%d unseen', $unseen_comments) : '';
     $children = $this->get_children();
     $has_tags = $body['tags'] || $body['categories'] || $body['mentions'] || $body['attachments'] || $body['folders'] ? true : false;
     $tmp_item = array('template' => $this->get_template(), 'mode' => $mode, 'type' => implode("", array_slice(explode("/", $item['verb']), -1)), 'body' => $body['html'], 'tags' => $body['tags'], 'categories' => $body['categories'], 'mentions' => $body['mentions'], 'attachments' => $body['attachments'], 'folders' => $body['folders'], 'text' => strip_tags($body['html']), 'id' => $this->get_id(), 'mid' => $item['mid'], 'isevent' => $isevent, 'attend' => $attend, 'consensus' => $consensus, 'conlabels' => $conlabels, 'canvote' => $canvote, 'linktitle' => sprintf(t('View %s\'s profile - %s'), $profile_name, $item['author']['xchan_addr']), 'olinktitle' => sprintf(t('View %s\'s profile - %s'), $this->get_owner_name(), $item['owner']['xchan_addr']), 'llink' => $item['llink'], 'viewthread' => $viewthread, 'to' => t('to'), 'via' => t('via'), 'wall' => t('Wall-to-Wall'), 'vwall' => t('via Wall-To-Wall:'), 'profile_url' => $profile_link, 'item_photo_menu' => item_photo_menu($item), 'dreport' => $dreport, 'name' => $profile_name, 'thumb' => $profile_avatar, 'osparkle' => $osparkle, 'sparkle' => $sparkle, 'title' => $item['title'], 'title_tosource' => get_pconfig($conv->get_profile_owner(), 'system', 'title_tosource'), 'ago' => relative_date($item['created']), 'app' => $item['app'], 'str_app' => sprintf(t('from %s'), $item['app']), 'isotime' => datetime_convert('UTC', date_default_timezone_get(), $item['created'], 'c'), 'localtime' => datetime_convert('UTC', date_default_timezone_get(), $item['created'], 'r'), 'editedtime' => $item['edited'] != $item['created'] ? sprintf(t('last edited: %s'), datetime_convert('UTC', date_default_timezone_get(), $item['edited'], 'r')) : '', 'expiretime' => $item['expires'] !== NULL_DATE ? sprintf(t('Expires: %s'), datetime_convert('UTC', date_default_timezone_get(), $item['expires'], 'r')) : '', 'lock' => $lock, 'verified' => $verified, 'unverified' => $unverified, 'forged' => $forged, 'location' => $location, 'indent' => $indent, 'owner_url' => $this->get_owner_url(), 'owner_photo' => $this->get_owner_photo(), 'owner_name' => $this->get_owner_name(), 'photo' => $body['photo'], 'event' => $body['event'], 'has_tags' => $has_tags, 'like' => $like, 'dislike' => feature_enabled($conv->get_profile_owner(), 'dislike') ? $dislike : '', 'share' => $share, 'rawmid' => $item['mid'], 'plink' => get_plink($item), 'edpost' => $edpost, 'star' => feature_enabled($conv->get_profile_owner(), 'star_posts') ? $star : '', 'tagger' => feature_enabled($conv->get_profile_owner(), 'commtag') ? $tagger : '', 'filer' => feature_enabled($conv->get_profile_owner(), 'filing') ? $filer : '', 'bookmark' => $conv->get_profile_owner() == local_channel() && local_channel() && $has_bookmarks ? t('Save Bookmarks') : '', 'addtocal' => $has_event ? t('Add to Calendar') : '', 'drop' => $drop, 'multidrop' => feature_enabled($conv->get_profile_owner(), 'multi_delete') ? $multidrop : '', 'unseen_comments' => $unseen_comments, 'comment_count' => $total_children, 'comment_count_txt' => $comment_count_txt, 'list_unseen_txt' => $list_unseen_txt, 'markseen' => t('Mark all seen'), 'responses' => $responses, 'like_count' => $like_count, 'like_list' => $like_list, 'like_list_part' => $like_list_part, 'like_button_label' => $like_button_label, 'like_modal_title' => t('Likes', 'noun'), 'dislike_modal_title' => t('Dislikes', 'noun'), 'dislike_count' => feature_enabled($conv->get_profile_owner(), 'dislike') ? $dislike_count : '', 'dislike_list' => feature_enabled($conv->get_profile_owner(), 'dislike') ? $dislike_list : '', 'dislike_list_part' => feature_enabled($conv->get_profile_owner(), 'dislike') ? $dislike_list_part : '', 'dislike_button_label' => feature_enabled($conv->get_profile_owner(), 'dislike') ? $dislike_button_label : '', 'modal_dismiss' => t('Close'), 'showlike' => $showlike, 'showdislike' => $showdislike, 'comment' => $this->get_comment_box($indent), 'previewing' => $conv->is_preview() ? ' preview ' : '', 'wait' => t('Please wait'), 'thread_level' => $thread_level);
     $arr = array('item' => $item, 'output' => $tmp_item);
     call_hooks('display_item', $arr);
     $result = $arr['output'];
     $result['children'] = array();
     $nb_children = count($children);
     $visible_comments = get_config('system', 'expanded_comments');
     if ($visible_comments === false) {
         $visible_comments = 3;
     }
     if ($this->get_display_mode() === 'normal' && $nb_children > 0) {
         foreach ($children as $child) {
             $result['children'][] = $child->get_template_data($conv_responses, $thread_level + 1);
         }
         // Collapse
         if ($nb_children > $visible_comments || $thread_level > 1) {
             $result['children'][0]['comment_firstcollapsed'] = true;
             $result['children'][0]['num_comments'] = $comment_count_txt;
             $result['children'][0]['hide_text'] = t('[+] show all');
             if ($thread_level > 1) {
                 $result['children'][$nb_children - 1]['comment_lastcollapsed'] = true;
             } else {
                 $result['children'][$nb_children - ($visible_comments + 1)]['comment_lastcollapsed'] = true;
             }
         }
     }
     $result['private'] = $item['item_private'];
     $result['toplevel'] = $this->is_toplevel() ? 'toplevel_item' : '';
     if ($this->is_threaded()) {
         $result['flatten'] = false;
         $result['threaded'] = true;
     } else {
         $result['flatten'] = true;
         $result['threaded'] = false;
     }
     return $result;
 }

//.........这里部分代码省略.........
                     $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']) ? $item['author-avatar'] : $item['thumb'];
                 }
                 $locate = array('location' => $item['location'], 'coord' => $item['coord'], 'html' => '');
                 call_hooks('render_location', $locate);
                 $location = strlen($locate['html']) ? $locate['html'] : render_location_google($locate);
                 localize_item($item);
                 if ($mode === 'network-new') {
                     $dropping = true;
                 } else {
                     $dropping = false;
                 }
                 $drop = array('dropping' => $dropping, 'select' => t('Select'), 'delete' => t('Delete'));
                 $star = false;
                 $isstarred = "unstarred";
                 $lock = false;
                 $likebuttons = false;
                 $shareable = false;
                 $body = prepare_body($item, true);
                 //$tmp_item = replace_macros($tpl,array(
                 $tmp_item = array('template' => $tpl, 'id' => $preview ? 'P0' : $item['item_id'], 'linktitle' => sprintf(t('View %s\'s profile @ %s'), $profile_name, strlen($item['author-link']) ? $item['author-link'] : $item['url']), 'profile_url' => $profile_link, 'item_photo_menu' => item_photo_menu($item), 'name' => template_escape($profile_name), 'sparkle' => $sparkle, 'lock' => $lock, 'thumb' => $profile_avatar, 'title' => template_escape($item['title']), 'body' => template_escape($body), 'text' => strip_tags(template_escape($body)), 'ago' => $item['app'] ? sprintf(t('%s from %s'), relative_date($item['created']), $item['app']) : relative_date($item['created']), 'location' => template_escape($location), 'indent' => '', 'owner_name' => template_escape($owner_name), 'owner_url' => $owner_url, 'owner_photo' => $owner_photo, 'plink' => get_plink($item), 'edpost' => false, 'isstarred' => $isstarred, 'star' => $star, 'drop' => $drop, 'vote' => $likebuttons, 'like' => '', 'dislike' => '', 'comment' => '', 'conv' => $preview ? '' : array('href' => $a->get_baseurl($ssl_state) . '/display/' . $nickname . '/' . $item['id'], 'title' => t('View in context')), 'previewing' => $previewing, 'wait' => t('Please wait'));
                 $arr = array('item' => $item, 'output' => $tmp_item);
                 call_hooks('display_item', $arr);
                 $threads[$threadsid]['id'] = $item['item_id'];
                 $threads[$threadsid]['items'] = array($arr['output']);
             }
         } else {
             // Normal View
             // Figure out how many comments each parent has
             // (Comments all have gravity of 6)
             // Store the result in the $comments array
             $comments = array();
             foreach ($items as $item) {
                 if (intval($item['gravity']) == 6 && $item['id'] != $item['parent']) {
                     if (!x($comments, $item['parent'])) {
                         $comments[$item['parent']] = 1;
                     } else {
                         $comments[$item['parent']] += 1;
                     }
                 } elseif (!x($comments, $item['parent'])) {
                     $comments[$item['parent']] = 0;
                 }
                 // avoid notices later on
             }
             // map all the like/dislike activities for each parent item
             // Store these in the $alike and $dlike arrays
             foreach ($items as $item) {
                 like_puller($a, $item, $alike, 'like');
                 like_puller($a, $item, $dlike, 'dislike');
             }
             $comments_collapsed = false;

//.........这里部分代码省略.........
                 			}
                 		}*/
                 $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']) ? $locate['html'] : render_location_google($locate);
                 localize_item($item);
                 if ($mode === 'network-new') {
                     $dropping = true;
                 } else {
                     $dropping = false;
                 }
                 $drop = array('dropping' => $dropping, 'pagedrop' => $page_dropping, 'select' => t('Select'), 'delete' => t('Delete'));
                 $star = false;
                 $isstarred = "unstarred";
                 $lock = false;
                 $likebuttons = false;
                 $shareable = false;
                 $body = prepare_body($item, true, $preview);
                 list($categories, $folders) = get_cats_and_terms($item);
                 if ($a->theme['template_engine'] === 'internal') {
                     $profile_name_e = template_escape($profile_name);
                     $item['title_e'] = template_escape($item['title']);
                     $body_e = template_escape($body);
                     $tags_e = template_escape($tags);
                     $hashtags_e = template_escape($hashtags);
                     $mentions_e = template_escape($mentions);
                     $location_e = template_escape($location);
                     $owner_name_e = template_escape($owner_name);
                 } else {
                     $profile_name_e = $profile_name;
                     $item['title_e'] = $item['title'];
                     $body_e = $body;
                     $tags_e = $tags;
                     $hashtags_e = $hashtags;
                     $mentions_e = $mentions;
                     $location_e = $location;
                     $owner_name_e = $owner_name;
                 }
                 $tmp_item = array('template' => $tpl, 'id' => $preview ? 'P0' : $item['item_id'], 'network' => $item['item_network'], 'linktitle' => sprintf(t('View %s\'s profile @ %s'), $profile_name, strlen($item['author-link']) ? $item['author-link'] : $item['url']), 'profile_url' => $profile_link, 'item_photo_menu' => item_photo_menu($item), 'name' => $profile_name_e, 'sparkle' => $sparkle, 'lock' => $lock, 'thumb' => proxy_url($profile_avatar), 'title' => $item['title_e'], 'body' => $body_e, 'tags' => $tags_e, 'hashtags' => $hashtags_e, 'mentions' => $mentions_e, 'txt_cats' => t('Categories:'), 'txt_folders' => t('Filed under:'), 'has_cats' => count($categories) ? 'true' : '', 'has_folders' => count($folders) ? 'true' : '', 'categories' => $categories, 'folders' => $folders, 'text' => strip_tags($body_e), 'localtime' => datetime_convert('UTC', date_default_timezone_get(), $item['created'], 'r'), 'ago' => $item['app'] ? sprintf(t('%s from %s'), relative_date($item['created']), $item['app']) : relative_date($item['created']), 'location' => $location_e, 'indent' => '', 'owner_name' => $owner_name_e, 'owner_url' => $owner_url, 'owner_photo' => proxy_url($owner_photo), 'plink' => get_plink($item), 'edpost' => false, 'isstarred' => $isstarred, 'star' => $star, 'drop' => $drop, 'vote' => $likebuttons, 'like' => '', 'dislike' => '', 'comment' => '', 'conv' => $preview ? '' : array('href' => $a->get_baseurl($ssl_state) . '/display/' . $item['guid'], 'title' => t('View in context')), 'previewing' => $previewing, 'wait' => t('Please wait'), 'thread_level' => 1);
                 $arr = array('item' => $item, 'output' => $tmp_item);
                 call_hooks('display_item', $arr);
                 $threads[$threadsid]['id'] = $item['item_id'];
                 $threads[$threadsid]['network'] = $item['item_network'];
                 $threads[$threadsid]['items'] = array($arr['output']);
             }
         } else {
             // Normal View
             $page_template = get_markup_template("threaded_conversation.tpl");
             require_once 'object/Conversation.php';
             require_once 'object/Item.php';

//.........这里部分代码省略.........
                if ($sp) {
                    $sparkle = ' sparkle';
                }
                if ($profile_link === 'mailbox') {
                    $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']) ? $item['author-avatar'] : $item['thumb'];
                }
                $location = $item['location'] ? '<a target="map" title="' . $item['location'] . '" href="http://maps.google.com/?q=' . urlencode($item['location']) . '">' . $item['location'] . '</a>' : '';
                $coord = $item['coord'] ? '<a target="map" title="' . $item['coord'] . '" href="http://maps.google.com/?q=' . urlencode($item['coord']) . '">' . $item['coord'] . '</a>' : '';
                if ($coord) {
                    if ($location) {
                        $location .= '<br /><span class="smalltext">(' . $coord . ')</span>';
                    } else {
                        $location = '<span class="smalltext">' . $coord . '</span>';
                    }
                }
                localize_item($item);
                if ($mode === 'network-new') {
                    $dropping = true;
                } else {
                    $dropping = false;
                }
                $drop = array('dropping' => $dropping, 'select' => t('Select'), 'delete' => t('Delete'));
                $star = false;
                $isstarred = "unstarred";
                $lock = false;
                $likebuttons = false;
                $shareable = false;
                $body = prepare_body($item, true);
                $tmp_item = replace_macros($tpl, array('$id' => $item['item_id'], '$linktitle' => sprintf(t('View %s\'s profile @ %s'), $profile_name, strlen($item['author-link']) ? $item['author-link'] : $item['url']), '$profile_url' => $profile_link, '$item_photo_menu' => item_photo_menu($item), '$name' => template_escape($profile_name), '$sparkle' => $sparkle, '$lock' => $lock, '$thumb' => $profile_avatar, '$title' => template_escape($item['title']), '$body' => template_escape($body), '$ago' => $item['app'] ? sprintf(t('%s from %s'), relative_date($item['created']), $item['app']) : relative_date($item['created']), '$lock' => $lock, '$location' => template_escape($location), '$indent' => '', '$owner_name' => template_escape($owner_name), '$owner_url' => $owner_url, '$owner_photo' => $owner_photo, '$plink' => get_plink($item), '$edpost' => false, '$isstarred' => $isstarred, '$star' => $star, '$drop' => $drop, '$vote' => $likebuttons, '$like' => '', '$dislike' => '', '$comment' => '', '$conv' => $preview ? '' : array('href' => $a->get_baseurl() . '/display/' . $nickname . '/' . $item['id'], 'title' => t('View in context')), '$wait' => t('Please wait')));
                $arr = array('item' => $item, 'output' => $tmp_item);
                call_hooks('display_item', $arr);
                $threads[$threadsid]['id'] = $item['item_id'];
                $threads[$threadsid]['html'] .= $arr['output'];
            }
        } else {
            // Normal View
            // Figure out how many comments each parent has
            // (Comments all have gravity of 6)
            // Store the result in the $comments array
            $comments = array();
            foreach ($items as $item) {
                if (intval($item['gravity']) == 6 && $item['id'] != $item['parent']) {
                    if (!x($comments, $item['parent'])) {
                        $comments[$item['parent']] = 1;
                    } else {
                        $comments[$item['parent']] += 1;
                    }
                }
            }
            // map all the like/dislike activities for each parent item
            // Store these in the $alike and $dlike arrays
            foreach ($items as $item) {
                like_puller($a, $item, $alike, 'like');
                like_puller($a, $item, $dlike, 'dislike');
            }
            $comments_collapsed = false;
            $blowhard = 0;
            $blowhard_count = 0;
            foreach ($items as $item) {
                $comment = '';

function prepare_page($item)
{
    $a = get_app();
    $naked = get_pconfig($item['uid'], 'system', 'nakedpage') ? 1 : 0;
    $observer = $a->get_observer();
    //240 chars is the longest we can have before we start hitting problems with suhosin sites
    $preview = substr(urlencode($item['body']), 0, 240);
    $link = z_root() . '/' . $a->cmd;
    if (array_key_exists('webpage', $a->layout) && array_key_exists('authored', $a->layout['webpage'])) {
        if ($a->layout['webpage']['authored'] === 'none') {
            $naked = 1;
        }
        // ... other possible options
    }
    // prepare_body calls unobscure() as a side effect. Do it here so that
    // the template will get passed an unobscured title.
    $body = prepare_body($item, true);
    $tpl = get_pconfig($item['uid'], 'system', 'pagetemplate');
    if (!$tpl) {
        $tpl = 'page_display.tpl';
    }
    return replace_macros(get_markup_template($tpl), array('$author' => $naked ? '' : $item['author']['xchan_name'], '$auth_url' => $naked ? '' : zid($item['author']['xchan_url']), '$date' => $naked ? '' : datetime_convert('UTC', date_default_timezone_get(), $item['created'], 'Y-m-d H:i'), '$title' => smilies(bbcode($item['title'])), '$body' => $body, '$preview' => $preview, '$link' => $link));
}

//.........这里部分代码省略.........
                        if (!count($local_user)) {
                            break;
                        }
                        $reply_to = '';
                        $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1", intval($uid));
                        if ($r1 && $r1[0]['reply_to']) {
                            $reply_to = $r1[0]['reply_to'];
                        }
                        $subject = $it['title'] ? $it['title'] : t("(no subject)");
                        $headers = 'From: ' . $local_user[0]['username'] . ' <' . $local_user[0]['email'] . '>' . "\n";
                        if ($reply_to) {
                            $headers .= 'Reply-to: ' . $reply_to . "\n";
                        }
                        $headers .= 'Message-id: <' . $it['uri'] . '>' . "\n";
                        if ($it['uri'] !== $it['parent-uri']) {
                            $header .= 'References: <' . $it['parent-uri'] . '>' . "\n";
                            if (!strlen($it['title'])) {
                                $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1", dbesc($it['parent-uri']));
                                if (count($r)) {
                                    $subtitle = $r[0]['title'];
                                    if ($subtitle) {
                                        if (strncasecmp($subtitle, 'RE:', 3)) {
                                            $subject = $subtitle;
                                        } else {
                                            $subject = 'Re: ' . $subtitle;
                                        }
                                    }
                                }
                            }
                        }
                        $headers .= 'MIME-Version: 1.0' . "\n";
                        $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
                        $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
                        $html = prepare_body($it);
                        $message = '<html><body>' . $html . '</body></html>';
                        logger('notifier: email delivery to ' . $addr);
                        mail($addr, $subject, $message, $headers);
                    }
                    break;
                case NETWORK_DIASPORA:
                    require_once 'include/diaspora.php';
                    if (get_config('system', 'dfrn_only') || !get_config('system', 'diaspora_enabled')) {
                        break;
                    }
                    if ($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;
                    }
                    if ($target_item['verb'] === ACTIVITY_DISLIKE) {
                        // unsupported
                        break;
                    } elseif ($target_item['deleted'] && $target_item['verb'] !== ACTIVITY_LIKE) {

function email_send($addr, $subject, $headers, $item)
{
    //$headers .= 'MIME-Version: 1.0' . "\n";
    //$headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
    //$headers .= 'Content-Type: text/plain; charset=UTF-8' . "\n";
    //$headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
    $part = uniqid("", true);
    $html = prepare_body($item);
    $headers .= "Mime-Version: 1.0\n";
    $headers .= 'Content-Type: multipart/alternative; boundary="=_' . $part . '"' . "\n\n";
    $body = "\n--=_" . $part . "\n";
    $body .= "Content-Transfer-Encoding: 8bit\n";
    $body .= "Content-Type: text/plain; charset=utf-8; format=flowed\n\n";
    $body .= html2plain($html) . "\n";
    $body .= "--=_" . $part . "\n";
    $body .= "Content-Transfer-Encoding: 8bit\n";
    $body .= "Content-Type: text/html; charset=utf-8\n\n";
    $body .= '<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">' . $html . "</body></html>\n";
    $body .= "--=_" . $part . "--";
    //$message = '<html><body>' . $html . '</body></html>';
    //$message = html2plain($html);
    logger('notifier: email delivery to ' . $addr);
    mail($addr, $subject, $body, $headers);
}

//.........这里部分代码省略.........
        if (x($_REQUEST, 'return') && strlen($return_path)) {
            logger('return: ' . $return_path);
            goaway($a->get_baseurl() . "/" . $return_path);
        }
        killme();
    } else {
        $post_id = 0;
    }
    $r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,`owner-name`,`owner-link`,`owner-avatar`, `author-name`, `author-link`, `author-avatar`,\n\t\t`created`, `edited`, `commented`, `received`, `changed`, `uri`, `thr-parent`, `title`, `body`, `app`, `location`, `coord`, `tag`, `inform`, `verb`, `object-type`, `postopts`,\n\t\t`allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private`, `pubmail`, `attach`, `bookmark`,`origin`, `moderated`, `file`, `rendered-html`, `rendered-hash`)\n\t\tVALUES( '%s', '%s', %d, '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s')", dbesc($datarray['guid']), dbesc($datarray['extid']), intval($datarray['uid']), dbesc($datarray['type']), intval($datarray['wall']), intval($datarray['gravity']), dbesc($datarray['network']), intval($datarray['contact-id']), dbesc($datarray['owner-name']), dbesc($datarray['owner-link']), dbesc($datarray['owner-avatar']), dbesc($datarray['author-name']), dbesc($datarray['author-link']), dbesc($datarray['author-avatar']), dbesc($datarray['created']), dbesc($datarray['edited']), dbesc($datarray['commented']), dbesc($datarray['received']), dbesc($datarray['changed']), dbesc($datarray['uri']), dbesc($datarray['thr-parent']), dbesc($datarray['title']), dbesc($datarray['body']), dbesc($datarray['app']), dbesc($datarray['location']), dbesc($datarray['coord']), dbesc($datarray['tag']), dbesc($datarray['inform']), dbesc($datarray['verb']), dbesc($datarray['object-type']), dbesc($datarray['postopts']), dbesc($datarray['allow_cid']), dbesc($datarray['allow_gid']), dbesc($datarray['deny_cid']), dbesc($datarray['deny_gid']), intval($datarray['private']), intval($datarray['pubmail']), dbesc($datarray['attach']), intval($datarray['bookmark']), intval($datarray['origin']), intval($datarray['moderated']), dbesc($datarray['file']), dbesc($datarray['rendered-html']), dbesc($datarray['rendered-hash']));
    $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($datarray['uri']));
    if (!count($r)) {
        logger('mod_item: unable to retrieve post that was just stored.');
        notice(t('System error. Post not saved.') . EOL);
        goaway($a->get_baseurl() . "/" . $return_path);
        // NOTREACHED
    }
    $post_id = $r[0]['id'];
    logger('mod_item: saved item ' . $post_id);
    $datarray["id"] = $post_id;
    $datarray["plink"] = $a->get_baseurl() . '/display/' . urlencode($datarray["guid"]);
    // update filetags in pconfig
    file_tag_update_pconfig($uid, $categories_old, $categories_new, 'category');
    if ($parent) {
        // This item is the last leaf and gets the comment box, clear any ancestors
        $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ", dbesc(datetime_convert()), intval($parent));
        update_thread($parent, true);
        // Inherit ACLs from the parent item.
        $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d\n\t\t\tWHERE `id` = %d", dbesc($parent_item['allow_cid']), dbesc($parent_item['allow_gid']), dbesc($parent_item['deny_cid']), dbesc($parent_item['deny_gid']), intval($parent_item['private']), intval($post_id));
        if ($contact_record != $author) {
            notification(array('type' => NOTIFY_COMMENT, 'notify_flags' => $user['notify-flags'], 'language' => $user['language'], 'to_name' => $user['username'], 'to_email' => $user['email'], 'uid' => $user['uid'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/display/' . urlencode($datarray['guid']), 'source_name' => $datarray['author-name'], 'source_link' => $datarray['author-link'], 'source_photo' => $datarray['author-avatar'], 'verb' => ACTIVITY_POST, 'otype' => 'item', 'parent' => $parent, 'parent_uri' => $parent_item['uri']));
        }
        // Store the comment signature information in case we need to relay to Diaspora
        store_diaspora_comment_sig($datarray, $author, $self ? $a->user['prvkey'] : false, $parent_item, $post_id);
    } else {
        $parent = $post_id;
        if ($contact_record != $author) {
            notification(array('type' => NOTIFY_WALL, 'notify_flags' => $user['notify-flags'], 'language' => $user['language'], 'to_name' => $user['username'], 'to_email' => $user['email'], 'uid' => $user['uid'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/display/' . urlencode($datarray['guid']), 'source_name' => $datarray['author-name'], 'source_link' => $datarray['author-link'], 'source_photo' => $datarray['author-avatar'], 'verb' => ACTIVITY_POST, 'otype' => 'item'));
        }
    }
    // fallback so that parent always gets set to non-zero.
    if (!$parent) {
        $parent = $post_id;
    }
    $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `plink` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1\n\t\tWHERE `id` = %d", intval($parent), dbesc($parent == $post_id ? $uri : $parent_item['uri']), dbesc($a->get_baseurl() . '/display/' . urlencode($datarray['guid'])), dbesc(datetime_convert()), intval($post_id));
    // 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['visible']) {
        $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d", intval($parent_item['id']));
        update_thread($parent_item['id']);
    }
    // update the commented timestamp on the parent
    q("UPDATE `item` set `commented` = '%s', `changed` = '%s' WHERE `id` = %d", dbesc(datetime_convert()), dbesc(datetime_convert()), intval($parent));
    if ($post_id != $parent) {
        update_thread($parent);
    }
    call_hooks('post_local_end', $datarray);
    if (strlen($emailcc) && $profile_uid == local_user()) {
        $erecips = explode(',', $emailcc);
        if (count($erecips)) {
            foreach ($erecips as $recip) {
                $addr = trim($recip);
                if (!strlen($addr)) {
                    continue;
                }
                $disclaimer = '<hr />' . sprintf(t('This message was sent to you by %s, a member of the Friendica social network.'), $a->user['username']) . '<br />';
                $disclaimer .= sprintf(t('You may visit them online at %s'), $a->get_baseurl() . '/profile/' . $a->user['nickname']) . EOL;
                $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
                if (!$datarray['title'] == '') {
                    $subject = email_header_encode($datarray['title'], 'UTF-8');
                } else {
                    $subject = email_header_encode('[Friendica]' . ' ' . sprintf(t('%s posted an update.'), $a->user['username']), 'UTF-8');
                }
                $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
                $html = prepare_body($datarray);
                $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
                include_once 'include/html2plain.php';
                $params = array('fromName' => $a->user['username'], 'fromEmail' => $a->user['email'], 'toEmail' => $addr, 'replyTo' => $a->user['email'], 'messageSubject' => $subject, 'htmlVersion' => $message, 'textVersion' => html2plain($html . $disclaimer));
                Emailer::send($params);
            }
        }
    }
    create_tags_from_item($post_id);
    create_files_from_item($post_id);
    if ($post_id == $parent) {
        add_thread($post_id);
    }
    // This is a real juggling act on shared hosting services which kill your processes
    // e.g. dreamhost. We used to start delivery to our native delivery agents in the background
    // and then run our plugin delivery from the foreground. We're now doing plugin delivery first,
    // because as soon as you start loading up a bunch of remote delivey processes, *this* page is
    // likely to get killed off. If you end up looking at an /item URL and a blank page,
    // it's very likely the delivery got killed before all your friends could be notified.
    // Currently the only realistic fixes are to use a reliable server - which precludes shared hosting,
    // or cut back on plugins which do remote deliveries.
    proc_run('php', "include/notifier.php", $notify_type, "{$post_id}");
    logger('post_complete');
    item_post_return($a->get_baseurl(), $api_source, $return_path);
    // NOTREACHED
}

//.........这里部分代码省略.........
         $indent = 'comment';
     }
     if ($conv->is_writable()) {
         $buttons = array('like' => array(t("I like this (toggle)"), t("like")), 'dislike' => feature_enabled($conv->get_profile_owner(), 'dislike') ? array(t("I don't like this (toggle)"), t("dislike")) : '');
         if ($shareable) {
             $buttons['share'] = array(t('Share this'), t('share'));
         }
     }
     if (strcmp(datetime_convert('UTC', 'UTC', $item['created']), datetime_convert('UTC', 'UTC', 'now - 12 hours')) > 0) {
         $shiny = 'shiny';
     }
     localize_item($item);
     if ($item["postopts"] and !get_config("system", "suppress_language")) {
         //$langdata = explode(";", $item["postopts"]);
         //$langstr = substr($langdata[0], 5)." (".round($langdata[1]*100, 1)."%)";
         $langstr = "";
         if (substr($item["postopts"], 0, 5) == "lang=") {
             $postopts = substr($item["postopts"], 5);
             $languages = explode(":", $postopts);
             if (sizeof($languages) == 1) {
                 $languages = array();
                 $languages[] = $postopts;
             }
             foreach ($languages as $language) {
                 $langdata = explode(";", $language);
                 if ($langstr != "") {
                     $langstr .= ", ";
                 }
                 //$langstr .= $langdata[0]." (".round($langdata[1]*100, 1)."%)";
                 $langstr .= round($langdata[1] * 100, 1) . "% " . $langdata[0];
             }
         }
     }
     $body = prepare_body($item, true);
     list($categories, $folders) = get_cats_and_terms($item);
     if ($a->theme['template_engine'] === 'internal') {
         $body_e = template_escape($body);
         $text_e = strip_tags(template_escape($body));
         $name_e = template_escape($profile_name);
         $title_e = template_escape($item['title']);
         $location_e = template_escape($location);
         $owner_name_e = template_escape($this->get_owner_name());
     } else {
         $body_e = $body;
         $text_e = strip_tags($body);
         $name_e = $profile_name;
         $title_e = $item['title'];
         $location_e = $location;
         $owner_name_e = $this->get_owner_name();
     }
     // Disable features that aren't available in several networks
     if ($item["item_network"] != "dfrn" and isset($buttons["dislike"])) {
         unset($buttons["dislike"]);
         $tagger = '';
     }
     if ($item["item_network"] == "feed" and isset($buttons["like"])) {
         unset($buttons["like"]);
     }
     if ($item["item_network"] == "mail" and isset($buttons["like"])) {
         unset($buttons["like"]);
     }
     if ($item["item_network"] == "dspr" and $indent == 'comment' and isset($buttons["like"])) {
         unset($buttons["like"]);
     }
     // Facebook can like comments - but it isn't programmed in the connector yet.
     if ($item["item_network"] == "face" and $indent == 'comment' and isset($buttons["like"])) {

//.........这里部分代码省略.........
                if ($cmd === 'wall-new') {
                    $it = $items[0];
                } else {
                    $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($argv[2]), intval($uid));
                    if (count($r)) {
                        $it = $r[0];
                    }
                }
                if (!$it) {
                    break;
                }
                $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($uid));
                if (!count($local_user)) {
                    break;
                }
                $reply_to = '';
                $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1", intval($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']) {
                    $headers = 'From: ' . email_header_encode($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: <' . $it['uri'] . '>' . "\n";
                if ($it['uri'] !== $it['parent-uri']) {
                    $header .= 'References: <' . $it['parent-uri'] . '>' . "\n";
                    if (!strlen($it['title'])) {
                        $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1", dbesc($it['parent-uri']));
                        if (count($r)) {
                            $subtitle = $r[0]['title'];
                            if ($subtitle) {
                                if (strncasecmp($subtitle, 'RE:', 3)) {
                                    $subject = $subtitle;
                                } else {
                                    $subject = 'Re: ' . $subtitle;
                                }
                            }
                        }
                    }
                }
                $headers .= 'MIME-Version: 1.0' . "\n";
                $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
                $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
                $html = prepare_body($it);
                $message = '<html><body>' . $html . '</body></html>';
                logger('notifier: email delivery to ' . $addr);
                mail($addr, $subject, $message, $headers);
            }
            break;
        case NETWORK_DIASPORA:
            if ($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;
            }
            if ($target_item['verb'] === ACTIVITY_DISLIKE) {
                // unsupported
                break;
            } elseif ($target_item['deleted'] && $target_item['verb'] !== ACTIVITY_LIKE) {
                logger('delivery: diaspora retract: ' . $loc);
                // diaspora delete,
                diaspora_send_retraction($target_item, $owner, $contact, $public_message);
                break;
            } elseif ($target_item['parent'] != $target_item['id']) {
                logger('delivery: diaspora relay: ' . $loc);
                // we are the relay - send comments, likes and unlikes to our conversants
                diaspora_send_relay($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;
            }
        default:
            break;
    }
    return;
}