PHP contact_remove函数代码示例

 function mark_for_death($contact)
 {
     if ($contact['term-date'] == '0000-00-00 00:00:00') {
         q("UPDATE `contact` SET `term-date` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($contact['id']));
     } else {
         $expiry = $contact['term-date'] . ' + 32 days ';
         if (datetime_convert() > datetime_convert('UTC', 'UTC', $expiry)) {
             // relationship is really truly dead.
             contact_remove($contact['id']);
         }
     }
 }

function contacts_content(&$a)
{
    $sort_type = 0;
    $o = '';
    nav_set_selected('contacts');
    if (!local_user()) {
        notice(t('Permission denied.') . EOL);
        return;
    }
    if ($a->argc == 3) {
        $contact_id = intval($a->argv[1]);
        if (!$contact_id) {
            return;
        }
        $cmd = $a->argv[2];
        $orig_record = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d AND `self` = 0 LIMIT 1", intval($contact_id), intval(local_user()));
        if (!count($orig_record)) {
            notice(t('Could not access contact record.') . EOL);
            goaway($a->get_baseurl() . '/contacts');
            return;
            // NOTREACHED
        }
        if ($cmd === 'update') {
            // pull feed and consume it, which should subscribe to the hub.
            proc_run('php', "include/poller.php", "{$contact_id}");
            goaway($a->get_baseurl() . '/contacts/' . $contact_id);
            // NOTREACHED
        }
        if ($cmd === 'block') {
            $blocked = $orig_record[0]['blocked'] ? 0 : 1;
            $r = q("UPDATE `contact` SET `blocked` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($blocked), intval($contact_id), intval(local_user()));
            if ($r) {
                //notice( t('Contact has been ') . (($blocked) ? t('blocked') : t('unblocked')) . EOL );
                info(($blocked ? t('Contact has been blocked') : t('Contact has been unblocked')) . EOL);
            }
            goaway($a->get_baseurl() . '/contacts/' . $contact_id);
            return;
            // NOTREACHED
        }
        if ($cmd === 'ignore') {
            $readonly = $orig_record[0]['readonly'] ? 0 : 1;
            $r = q("UPDATE `contact` SET `readonly` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($readonly), intval($contact_id), intval(local_user()));
            if ($r) {
                info(($readonly ? t('Contact has been ignored') : t('Contact has been unignored')) . EOL);
            }
            goaway($a->get_baseurl() . '/contacts/' . $contact_id);
            return;
            // NOTREACHED
        }
        if ($cmd === 'drop') {
            // create an unfollow slap
            if ($orig_record[0]['network'] === NETWORK_OSTATUS) {
                $tpl = get_markup_template('follow_slap.tpl');
                $slap = replace_macros($tpl, array('$name' => $a->user['username'], '$profile_page' => $a->get_baseurl() . '/profile/' . $a->user['nickname'], '$photo' => $a->contact['photo'], '$thumb' => $a->contact['thumb'], '$published' => datetime_convert('UTC', 'UTC', 'now', ATOM_TIME), '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':unfollow:' . random_string(), '$title' => '', '$type' => 'text', '$content' => t('stopped following'), '$nick' => $a->user['nickname'], '$verb' => 'http://ostatus.org/schema/1.0/unfollow', '$ostat_follow' => ''));
                if (x($orig_record[0], 'notify') && strlen($orig_record[0]['notify'])) {
                    require_once 'include/salmon.php';
                    slapper($a->user, $orig_record[0]['notify'], $slap);
                }
            } elseif ($orig_record[0]['network'] === NETWORK_DIASPORA) {
                require_once 'include/diaspora.php';
                diaspora_unshare($a->user, $orig_record[0]);
            } elseif ($orig_record[0]['network'] === NETWORK_DFRN) {
                require_once 'include/items.php';
                dfrn_deliver($a->user, $orig_record[0], 'placeholder', 1);
            }
            contact_remove($orig_record[0]['id']);
            info(t('Contact has been removed.') . EOL);
            if (x($_SESSION, 'return_url')) {
                goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
            } else {
                goaway($a->get_baseurl() . '/contacts');
            }
            return;
            // NOTREACHED
        }
    }
    if (x($a->data, 'contact') && is_array($a->data['contact'])) {
        $contact_id = $a->data['contact']['id'];
        $contact = $a->data['contact'];
        $tpl = get_markup_template('contact_head.tpl');
        $a->page['htmlhead'] .= replace_macros($tpl, array('$baseurl' => $a->get_baseurl()));
        require_once 'include/contact_selectors.php';
        $tpl = get_markup_template("contact_edit.tpl");
        switch ($contact['rel']) {
            case CONTACT_IS_FRIEND:
                $dir_icon = 'images/lrarrow.gif';
                $relation_text = t('You are mutual friends with %s');
                break;
            case CONTACT_IS_FOLLOWER:
                $dir_icon = 'images/larrow.gif';
                $relation_text = t('You are sharing with %s');
                break;
            case CONTACT_IS_SHARING:
                $dir_icon = 'images/rarrow.gif';
                $relation_text = t('%s is sharing with you');
                break;
            default:
                break;
        }
        $relation_text = sprintf($relation_text, $contact['name']);
//.........这里部分代码省略.........

function diaspora_retraction($importer, $xml)
{
    $guid = notags(unxmlify($xml->guid));
    $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
    $type = notags(unxmlify($xml->type));
    $contact = diaspora_get_contact_by_handle($importer['channel_id'], $diaspora_handle);
    if (!$contact) {
        return;
    }
    if ($type === 'Person') {
        require_once 'include/Contact.php';
        contact_remove($importer['channel_id'], $contact['abook_id']);
    } elseif ($type === 'Post') {
        $r = q("select * from item where mid = '%s' and uid = %d limit 1", dbesc('guid'), intval($importer['channel_id']));
        if (count($r)) {
            if (link_compare($r[0]['author_xchan'], $contact['xchan_hash'])) {
                drop_item($r[0]['id'], false);
            }
        }
    }
    return 202;
    // NOTREACHED
}

function zot_reply_purge($sender, $recipients)
{
    $ret = array('success' => false);
    if ($recipients) {
        // basically this means "unfriend"
        foreach ($recipients as $recip) {
            $r = q("select channel.*,xchan.* from channel \n\t\t\t\tleft join xchan on channel_hash = xchan_hash\n\t\t\t\twhere channel_guid = '%s' and channel_guid_sig = '%s' limit 1", dbesc($recip['guid']), dbesc($recip['guid_sig']));
            if ($r) {
                $r = q("select abook_id from abook where uid = %d and abook_xchan = '%s' limit 1", intval($r[0]['channel_id']), dbesc(make_xchan_hash($sender['guid'], $sender['guid_sig'])));
                if ($r) {
                    contact_remove($r[0]['channel_id'], $r[0]['abook_id']);
                }
            }
        }
        $ret['success'] = true;
    } else {
        // Unfriend everybody - basically this means the channel has committed suicide
        $arr = $sender;
        $sender_hash = make_xchan_hash($arr['guid'], $arr['guid_sig']);
        require_once 'include/Contact.php';
        remove_all_xchan_resources($sender_hash);
        $ret['success'] = true;
    }
    json_return_and_die($ret);
}

function contacts_content(&$a)
{
    $sort_type = 0;
    $o = '';
    nav_set_selected('contacts');
    if (!local_user()) {
        notice(t('Permission denied.') . EOL);
        return;
    }
    if ($a->argc == 3) {
        $contact_id = intval($a->argv[1]);
        if (!$contact_id) {
            return;
        }
        $cmd = $a->argv[2];
        $orig_record = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d AND `self` = 0 LIMIT 1", intval($contact_id), intval(local_user()));
        if (!count($orig_record)) {
            notice(t('Could not access contact record.') . EOL);
            goaway($a->get_baseurl(true) . '/contacts');
            return;
            // NOTREACHED
        }
        if ($cmd === 'update') {
            // pull feed and consume it, which should subscribe to the hub.
            proc_run('php', "include/poller.php", "{$contact_id}");
            goaway($a->get_baseurl(true) . '/contacts/' . $contact_id);
            // NOTREACHED
        }
        if ($cmd === 'block') {
            $blocked = $orig_record[0]['blocked'] ? 0 : 1;
            $r = q("UPDATE `contact` SET `blocked` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($blocked), intval($contact_id), intval(local_user()));
            if ($r) {
                //notice( t('Contact has been ') . (($blocked) ? t('blocked') : t('unblocked')) . EOL );
                info(($blocked ? t('Contact has been blocked') : t('Contact has been unblocked')) . EOL);
            }
            goaway($a->get_baseurl(true) . '/contacts/' . $contact_id);
            return;
            // NOTREACHED
        }
        if ($cmd === 'ignore') {
            $readonly = $orig_record[0]['readonly'] ? 0 : 1;
            $r = q("UPDATE `contact` SET `readonly` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($readonly), intval($contact_id), intval(local_user()));
            if ($r) {
                info(($readonly ? t('Contact has been ignored') : t('Contact has been unignored')) . EOL);
            }
            goaway($a->get_baseurl(true) . '/contacts/' . $contact_id);
            return;
            // NOTREACHED
        }
        if ($cmd === 'archive') {
            $archived = $orig_record[0]['archive'] ? 0 : 1;
            $r = q("UPDATE `contact` SET `archive` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($archived), intval($contact_id), intval(local_user()));
            if ($archived) {
                q("UPDATE `item` SET `private` = 2 WHERE `contact-id` = %d AND `uid` = %d", intval($contact_id), intval(local_user()));
            }
            if ($r) {
                //notice( t('Contact has been ') . (($archived) ? t('archived') : t('unarchived')) . EOL );
                info(($archived ? t('Contact has been archived') : t('Contact has been unarchived')) . EOL);
            }
            goaway($a->get_baseurl(true) . '/contacts/' . $contact_id);
            return;
            // NOTREACHED
        }
        if ($cmd === 'drop') {
            // Check if we should do HTML-based delete confirmation
            if ($_REQUEST['confirm']) {
                // <form> can't take arguments in its "action" parameter
                // so add any arguments as hidden inputs
                $query = explode_querystring($a->query_string);
                $inputs = array();
                foreach ($query['args'] as $arg) {
                    if (strpos($arg, 'confirm=') === false) {
                        $arg_parts = explode('=', $arg);
                        $inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
                    }
                }
                $a->page['aside'] = '';
                return replace_macros(get_markup_template('confirm.tpl'), array('$method' => 'get', '$message' => t('Do you really want to delete this contact?'), '$extra_inputs' => $inputs, '$confirm' => t('Yes'), '$confirm_url' => $query['base'], '$confirm_name' => 'confirmed', '$cancel' => t('Cancel')));
            }
            // Now check how the user responded to the confirmation query
            if ($_REQUEST['canceled']) {
                goaway($a->get_baseurl(true) . '/' . $_SESSION['return_url']);
            }
            require_once 'include/Contact.php';
            terminate_friendship($a->user, $a->contact, $orig_record[0]);
            contact_remove($orig_record[0]['id']);
            info(t('Contact has been removed.') . EOL);
            if (x($_SESSION, 'return_url')) {
                goaway($a->get_baseurl(true) . '/' . $_SESSION['return_url']);
            } else {
                goaway($a->get_baseurl(true) . '/contacts');
            }
            return;
            // NOTREACHED
        }
    }
    $_SESSION['return_url'] = $a->query_string;
    if (x($a->data, 'contact') && is_array($a->data['contact'])) {
        $contact_id = $a->data['contact']['id'];
        $contact = $a->data['contact'];
//.........这里部分代码省略.........

function _contact_drop($contact_id, $orig_record)
{
    require_once 'include/Contact.php';
    $a = get_app();
    terminate_friendship($a->user, $a->contact, $orig_record);
    contact_remove($orig_record['id']);
}

//.........这里部分代码省略.........
                 $this->connedit_clone($a);
             } else {
                 notice(t('Unable to set address book parameters.') . EOL);
             }
             goaway(z_root() . '/connedit/' . $contact_id);
         }
         if ($cmd === 'hide') {
             if (abook_toggle_flag($orig_record[0], ABOOK_FLAG_HIDDEN)) {
                 $this->connedit_clone($a);
             } else {
                 notice(t('Unable to set address book parameters.') . EOL);
             }
             goaway(z_root() . '/connedit/' . $contact_id);
         }
         // We'll prevent somebody from unapproving an already approved contact.
         // Though maybe somebody will want this eventually (??)
         if ($cmd === 'approve') {
             if (intval($orig_record[0]['abook_pending'])) {
                 if (abook_toggle_flag($orig_record[0], ABOOK_FLAG_PENDING)) {
                     $this->connedit_clone($a);
                 } else {
                     notice(t('Unable to set address book parameters.') . EOL);
                 }
             }
             goaway(z_root() . '/connedit/' . $contact_id);
         }
         if ($cmd === 'drop') {
             require_once 'include/Contact.php';
             // FIXME
             // We need to send either a purge or a refresh packet to the other side (the channel being unfriended).
             // The issue is that the abook DB record _may_ get destroyed when we call contact_remove. As the notifier runs
             // in the background there could be a race condition preventing this packet from being sent in all cases.
             // PLACEHOLDER
             contact_remove(local_channel(), $orig_record[0]['abook_id']);
             build_sync_packet(0, array('abook' => array(array('abook_xchan' => $orig_record[0]['abook_xchan'], 'entry_deleted' => true))));
             info(t('Connection has been removed.') . EOL);
             if (x($_SESSION, 'return_url')) {
                 goaway(z_root() . '/' . $_SESSION['return_url']);
             }
             goaway(z_root() . '/contacts');
         }
     }
     if (\App::$poi) {
         $contact_id = \App::$poi['abook_id'];
         $contact = \App::$poi;
         $tools = array('view' => array('label' => t('View Profile'), 'url' => chanlink_cid($contact['abook_id']), 'sel' => '', 'title' => sprintf(t('View %s\'s profile'), $contact['xchan_name'])), 'refresh' => array('label' => t('Refresh Permissions'), 'url' => z_root() . '/connedit/' . $contact['abook_id'] . '/refresh', 'sel' => '', 'title' => t('Fetch updated permissions')), 'recent' => array('label' => t('Recent Activity'), 'url' => z_root() . '/network/?f=&cid=' . $contact['abook_id'], 'sel' => '', 'title' => t('View recent posts and comments')), 'block' => array('label' => intval($contact['abook_blocked']) ? t('Unblock') : t('Block'), 'url' => z_root() . '/connedit/' . $contact['abook_id'] . '/block', 'sel' => intval($contact['abook_blocked']) ? 'active' : '', 'title' => t('Block (or Unblock) all communications with this connection'), 'info' => intval($contact['abook_blocked']) ? t('This connection is blocked!') : ''), 'ignore' => array('label' => intval($contact['abook_ignored']) ? t('Unignore') : t('Ignore'), 'url' => z_root() . '/connedit/' . $contact['abook_id'] . '/ignore', 'sel' => intval($contact['abook_ignored']) ? 'active' : '', 'title' => t('Ignore (or Unignore) all inbound communications from this connection'), 'info' => intval($contact['abook_ignored']) ? t('This connection is ignored!') : ''), 'archive' => array('label' => intval($contact['abook_archived']) ? t('Unarchive') : t('Archive'), 'url' => z_root() . '/connedit/' . $contact['abook_id'] . '/archive', 'sel' => intval($contact['abook_archived']) ? 'active' : '', 'title' => t('Archive (or Unarchive) this connection - mark channel dead but keep content'), 'info' => intval($contact['abook_archived']) ? t('This connection is archived!') : ''), 'hide' => array('label' => intval($contact['abook_hidden']) ? t('Unhide') : t('Hide'), 'url' => z_root() . '/connedit/' . $contact['abook_id'] . '/hide', 'sel' => intval($contact['abook_hidden']) ? 'active' : '', 'title' => t('Hide or Unhide this connection from your other connections'), 'info' => intval($contact['abook_hidden']) ? t('This connection is hidden!') : ''), 'delete' => array('label' => t('Delete'), 'url' => z_root() . '/connedit/' . $contact['abook_id'] . '/drop', 'sel' => '', 'title' => t('Delete this connection')));
         $self = false;
         if (intval($contact['abook_self'])) {
             $self = true;
         }
         require_once 'include/contact_selectors.php';
         $tpl = get_markup_template("abook_edit.tpl");
         if (feature_enabled(local_channel(), 'affinity')) {
             $labels = array(t('Me'), t('Family'), t('Friends'), t('Acquaintances'), t('All'));
             call_hooks('affinity_labels', $labels);
             $label_str = '';
             if ($labels) {
                 foreach ($labels as $l) {
                     if ($label_str) {
                         $label_str .= ", '|'";
                         $label_str .= ", '" . $l . "'";
                     } else {
                         $label_str .= "'" . $l . "'";
                     }
                 }
             }

//.........这里部分代码省略.........
        }
        if (array_key_exists('abook', $arr) && is_array($arr['abook']) && count($arr['abook'])) {
            $total_friends = 0;
            $total_feeds = 0;
            $r = q("select abook_id, abook_feed from abook where abook_channel = %d", intval($channel['channel_id']));
            if ($r) {
                // don't count yourself
                $total_friends = count($r) > 0 ? count($r) - 1 : 0;
                foreach ($r as $rr) {
                    if (intval($rr['abook_feed'])) {
                        $total_feeds++;
                    }
                }
            }
            $disallowed = array('abook_id', 'abook_account', 'abook_channel', 'abook_rating', 'abook_rating_text');
            foreach ($arr['abook'] as $abook) {
                if (!array_key_exists('abook_blocked', $abook)) {
                    // convert from redmatrix
                    $abook['abook_blocked'] = $abook['abook_flags'] & 0x1 ? 1 : 0;
                    $abook['abook_ignored'] = $abook['abook_flags'] & 0x2 ? 1 : 0;
                    $abook['abook_hidden'] = $abook['abook_flags'] & 0x4 ? 1 : 0;
                    $abook['abook_archived'] = $abook['abook_flags'] & 0x8 ? 1 : 0;
                    $abook['abook_pending'] = $abook['abook_flags'] & 0x10 ? 1 : 0;
                    $abook['abook_unconnected'] = $abook['abook_flags'] & 0x20 ? 1 : 0;
                    $abook['abook_self'] = $abook['abook_flags'] & 0x80 ? 1 : 0;
                    $abook['abook_feed'] = $abook['abook_flags'] & 0x100 ? 1 : 0;
                }
                $clean = array();
                if ($abook['abook_xchan'] && $abook['entry_deleted']) {
                    logger('process_channel_sync_delivery: removing abook entry for ' . $abook['abook_xchan']);
                    require_once 'include/Contact.php';
                    $r = q("select abook_id, abook_feed from abook where abook_xchan = '%s' and abook_channel = %d and abook_self = 0 limit 1", dbesc($abook['abook_xchan']), intval($channel['channel_id']));
                    if ($r) {
                        contact_remove($channel['channel_id'], $r[0]['abook_id']);
                        if ($total_friends) {
                            $total_friends--;
                        }
                        if (intval($r[0]['abook_feed'])) {
                            $total_feeds--;
                        }
                    }
                    continue;
                }
                // Perform discovery if the referenced xchan hasn't ever been seen on this hub.
                // This relies on the undocumented behaviour that red sites send xchan info with the abook
                // and import_author_xchan will look them up on all federated networks
                if ($abook['abook_xchan'] && $abook['xchan_addr']) {
                    $h = zot_get_hublocs($abook['abook_xchan']);
                    if (!$h) {
                        $xhash = import_author_xchan(encode_item_xchan($abook));
                        if (!$xhash) {
                            logger('process_channel_sync_delivery: import of ' . $abook['xchan_addr'] . ' failed.');
                            continue;
                        }
                    }
                }
                foreach ($abook as $k => $v) {
                    if (in_array($k, $disallowed) || strpos($k, 'abook') !== 0) {
                        continue;
                    }
                    $clean[$k] = $v;
                }
                if (!array_key_exists('abook_xchan', $clean)) {
                    continue;
                }
                $r = q("select * from abook where abook_xchan = '%s' and abook_channel = %d limit 1", dbesc($clean['abook_xchan']), intval($channel['channel_id']));

//.........这里部分代码省略.........
                connedit_clone($a);
            } else {
                notice(t('Unable to set address book parameters.') . EOL);
            }
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        if ($cmd === 'hide') {
            if (abook_toggle_flag($orig_record[0], ABOOK_FLAG_HIDDEN)) {
                info(($orig_record[0]['abook_flags'] & ABOOK_FLAG_HIDDEN ? t('Channel has been unhidden') : t('Channel has been hidden')) . EOL);
                connedit_clone($a);
            } else {
                notice(t('Unable to set address book parameters.') . EOL);
            }
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        // We'll prevent somebody from unapproving an already approved contact.
        // Though maybe somebody will want this eventually (??)
        if ($cmd === 'approve') {
            if ($orig_record[0]['abook_flags'] & ABOOK_FLAG_PENDING) {
                if (abook_toggle_flag($orig_record[0], ABOOK_FLAG_PENDING)) {
                    info(($orig_record[0]['abook_flags'] & ABOOK_FLAG_PENDING ? t('Channel has been approved') : t('Channel has been unapproved')) . EOL);
                    connedit_clone($a);
                } else {
                    notice(t('Unable to set address book parameters.') . EOL);
                }
            }
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        if ($cmd === 'drop') {
            require_once 'include/Contact.php';
            // FIXME
            // We need to send either a purge or a refresh packet to the other side (the channel being unfriended).
            // The issue is that the abook DB record _may_ get destroyed when we call contact_remove. As the notifier runs
            // in the background there could be a race condition preventing this packet from being sent in all cases.
            // PLACEHOLDER
            contact_remove(local_channel(), $orig_record[0]['abook_id']);
            build_sync_packet(0, array('abook' => array(array('abook_xchan' => $orig_record[0]['abook_xchan'], 'entry_deleted' => true))));
            info(t('Connection has been removed.') . EOL);
            if (x($_SESSION, 'return_url')) {
                goaway($a->get_baseurl(true) . '/' . $_SESSION['return_url']);
            }
            goaway($a->get_baseurl(true) . '/contacts');
        }
    }
    if ($a->poi) {
        $contact_id = $a->poi['abook_id'];
        $contact = $a->poi;
        $tabs = array(array('label' => t('View Profile'), 'url' => chanlink_cid($contact['abook_id']), 'sel' => '', 'title' => sprintf(t('View %s\'s profile'), $contact['xchan_name'])), array('label' => t('Refresh Permissions'), 'url' => $a->get_baseurl(true) . '/connedit/' . $contact['abook_id'] . '/refresh', 'sel' => '', 'title' => t('Fetch updated permissions')), array('label' => t('Recent Activity'), 'url' => $a->get_baseurl(true) . '/network/?f=&cid=' . $contact['abook_id'], 'sel' => '', 'title' => t('View recent posts and comments')));
        $buttons = array(array('label' => $contact['abook_flags'] & ABOOK_FLAG_BLOCKED ? t('Unblock') : t('Block'), 'url' => $a->get_baseurl(true) . '/connedit/' . $contact['abook_id'] . '/block', 'sel' => $contact['abook_flags'] & ABOOK_FLAG_BLOCKED ? 'active' : '', 'title' => t('Block (or Unblock) all communications with this connection')), array('label' => $contact['abook_flags'] & ABOOK_FLAG_IGNORED ? t('Unignore') : t('Ignore'), 'url' => $a->get_baseurl(true) . '/connedit/' . $contact['abook_id'] . '/ignore', 'sel' => $contact['abook_flags'] & ABOOK_FLAG_IGNORED ? 'active' : '', 'title' => t('Ignore (or Unignore) all inbound communications from this connection')), array('label' => $contact['abook_flags'] & ABOOK_FLAG_ARCHIVED ? t('Unarchive') : t('Archive'), 'url' => $a->get_baseurl(true) . '/connedit/' . $contact['abook_id'] . '/archive', 'sel' => $contact['abook_flags'] & ABOOK_FLAG_ARCHIVED ? 'active' : '', 'title' => t('Archive (or Unarchive) this connection - mark channel dead but keep content')), array('label' => $contact['abook_flags'] & ABOOK_FLAG_HIDDEN ? t('Unhide') : t('Hide'), 'url' => $a->get_baseurl(true) . '/connedit/' . $contact['abook_id'] . '/hide', 'sel' => $contact['abook_flags'] & ABOOK_FLAG_HIDDEN ? 'active' : '', 'title' => t('Hide or Unhide this connection from your other connections')), array('label' => t('Delete'), 'url' => $a->get_baseurl(true) . '/connedit/' . $contact['abook_id'] . '/drop', 'sel' => '', 'title' => t('Delete this connection')));
        $self = false;
        if (!($contact['abook_flags'] & ABOOK_FLAG_SELF)) {
            $tab_tpl = get_markup_template('common_tabs.tpl');
            $t = replace_macros($tab_tpl, array('$tabs' => $tabs));
        } else {
            $self = true;
        }
        $a->page['htmlhead'] .= replace_macros(get_markup_template('contact_head.tpl'), array('$baseurl' => $a->get_baseurl(true), '$editselect' => $editselect));
        require_once 'include/contact_selectors.php';
        $tpl = get_markup_template("abook_edit.tpl");
        if (feature_enabled(local_channel(), 'affinity')) {
            $slider_tpl = get_markup_template('contact_slider.tpl');
            $slide = replace_macros($slider_tpl, array('$me' => t('Me'), '$min' => 1, '$val' => $contact['abook_closeness'] ? $contact['abook_closeness'] : 99, '$intimate' => t('Best Friends'), '$friends' => t('Friends'), '$oldfriends' => t('Former Friends'), '$acquaintances' => t('Acquaintances'), '$world' => t('Unknown')));
        }
        $rating_val = 0;
        $rating_text = '';
        $xl = q("select * from xlink where xlink_xchan = '%s' and xlink_link = '%s' and xlink_static = 1", dbesc($channel['channel_hash']), dbesc($contact['xchan_hash']));
        if ($xl) {
            $rating_val = intval($xl[0]['xlink_rating']);
            $rating_text = $xl[0]['xlink_rating_text'];
        }
        $poco_rating = get_config('system', 'poco_rating_enable');
        // if unset default to enabled
        if ($poco_rating === false) {
            $poco_rating = true;
        }
        if ($poco_rating) {
            $rating = replace_macros(get_markup_template('rating_slider.tpl'), array('$min' => -10, '$val' => $rating_val));
        } else {
            $rating = false;
        }
        $perms = array();
        $channel = $a->get_channel();
        $global_perms = get_perms();
        $existing = get_all_perms(local_channel(), $contact['abook_xchan']);
        $unapproved = array('pending', t('Approve this connection'), '', t('Accept connection to allow communication'));
        foreach ($global_perms as $k => $v) {
            $thisperm = $contact['abook_my_perms'] & $v[1] ? "1" : '';
            // For auto permissions (when $self is true) we don't want to look at existing
            // permissions because they are enabled for the channel owner
            if (!$self && $existing[$k]) {
                $thisperm = "1";
            }
            $perms[] = array('perms_' . $k, $v[3], $contact['abook_their_perms'] & $v[1] ? "1" : "", $thisperm, $v[1], $channel[$v[0]] == PERMS_SPECIFIC || $self ? '' : '1', $v[4]);
        }
        $o .= replace_macros($tpl, array('$header' => $self ? t('Connection Default Permissions') : sprintf(t('Connections: settings for %s'), $contact['xchan_name']), '$autoperms' => array('autoperms', t('Apply these permissions automatically'), get_pconfig(local_channel(), 'system', 'autoperms') ? 1 : 0, ''), '$addr' => $contact['xchan_addr'], '$notself' => $self ? '' : '1', '$self' => $self ? '1' : '', '$autolbl' => t('Apply the permissions indicated on this page to all new connections.'), '$buttons' => $self ? '' : $buttons, '$viewprof' => t('View Profile'), '$clickme' => t('Click to open/close'), '$lbl_slider' => t('Slide to adjust your degree of friendship'), '$lbl_rating' => t('Rating (this information is public)'), '$lbl_rating_txt' => t('Optionally explain your rating (this information is public)'), '$rating_txt' => $rating_text, '$rating' => $rating, '$rating_val' => $rating_val, '$slide' => $slide, '$tabs' => $t, '$tab_str' => $tab_str, '$perms_step1' => t('Default permissions for your channel type have (just) been applied. They have not yet been submitted. Please review the permissions on this page and make any desired changes at this time. This new connection may <em>not</em> be able to communicate with you until you submit this page, which will install and apply the selected permissions.'), '$is_pending' => $contact['abook_flags'] & ABOOK_FLAG_PENDING ? 1 : '', '$unapproved' => $unapproved, '$inherited' => t('inherited'), '$approve' => t('Approve this connection'), '$noperms' => $contact['abook_my_perms'] ? false : true, '$no_perms' => !$self && !$contact['abook_my_perms'] ? t('Connection has no individual permissions!') : '', '$noperm_desc' => !$self && !$contact['abook_my_perms'] ? t('This may be appropriate based on your <a href="settings">privacy settings</a>, though you may wish to review the "Advanced Permissions".') : '', '$submit' => t('Submit'), '$lbl_vis1' => t('Profile Visibility'), '$lbl_vis2' => sprintf(t('Please choose the profile you would like to display to %s when viewing your profile securely.'), $contact['xchan_name']), '$lbl_info1' => t('Contact Information / Notes'), '$infedit' => t('Edit contact notes'), '$close' => $contact['abook_closeness'], '$them' => t('Their Settings'), '$me' => t('My Settings'), '$perms' => $perms, '$perms_new' => t('Default permissions for this channel type have (just) been applied. They have <em>not</em> been saved and there are currently no stored default permissions. Please review/edit the applied settings and click [Submit] to finalize.'), '$clear' => t('Clear/Disable Automatic Permissions'), '$forum' => t('Forum Members'), '$soapbox' => t('Soapbox'), '$full' => t('Full Sharing (typical social network permissions)'), '$cautious' => t('Cautious Sharing '), '$follow' => t('Follow Only'), '$permlbl' => t('Individual Permissions'), '$permnote' => t('Some permissions may be inherited from your channel <a href="settings">privacy settings</a>, which have higher priority than individual settings. Changing those inherited settings on this page will have no effect.'), '$advanced' => t('Advanced Permissions'), '$quick' => t('Simple Permissions (select one and submit)'), '$common_link' => $a->get_baseurl(true) . '/common/loc/' . local_channel() . '/' . $contact['id'], '$all_friends' => $all_friends, '$relation_text' => $relation_text, '$visit' => sprintf(t('Visit %s\'s profile - %s'), $contact['xchan_name'], $contact['xchan_url']), '$blockunblock' => t('Block/Unblock contact'), '$ignorecont' => t('Ignore contact'), '$lblcrepair' => t("Repair URL settings"), '$lblrecent' => t('View conversations'), '$lblsuggest' => $lblsuggest, '$delete' => t('Delete contact'), '$poll_interval' => contact_poll_interval($contact['priority'], !$poll_enabled), '$poll_enabled' => $poll_enabled, '$lastupdtext' => t('Last update:'), '$lost_contact' => $lost_contact, '$updpub' => t('Update public posts'), '$last_update' => relative_date($contact['abook_connected']), '$udnow' => t('Update now'), '$profile_select' => contact_profile_assign($contact['abook_profile']), '$multiprofs' => feature_enabled(local_channel(), 'multi_profiles'), '$contact_id' => $contact['abook_id'], '$block_text' => $contact['blocked'] ? t('Unblock') : t('Block'), '$ignore_text' => $contact['readonly'] ? t('Unignore') : t('Ignore'), '$blocked' => $contact['blocked'] ? t('Currently blocked') : '', '$ignored' => $contact['readonly'] ? t('Currently ignored') : '', '$archived' => $contact['archive'] ? t('Currently archived') : '', '$pending' => $contact['archive'] ? t('Currently pending') : '', '$name' => $contact['name'], '$alt_text' => $alt_text, '$url' => $url));
        $arr = array('contact' => $contact, 'output' => $o);
        call_hooks('contact_edit', $arr);
        return $arr['output'];
    }
}

function connedit_content(&$a)
{
    $sort_type = 0;
    $o = '';
    // this triggers some javascript to set Full Sharing by default after
    // completing a "follow" - which can be changed to something else before
    // form submission, but this gives us something useable
    if ($_GET['follow'] == 1) {
        $o .= '<script>var after_following = 1;</script>';
    }
    if (!local_user()) {
        notice(t('Permission denied.') . EOL);
        return login();
    }
    if (argc() == 3) {
        $contact_id = intval(argv(1));
        if (!$contact_id) {
            return;
        }
        $cmd = argv(2);
        $orig_record = q("SELECT abook.*, xchan.* FROM abook left join xchan on abook_xchan = xchan_hash\n\t\t\tWHERE abook_id = %d AND abook_channel = %d AND NOT ( abook_flags & %d ) LIMIT 1", intval($contact_id), intval(local_user()), intval(ABOOK_FLAG_SELF));
        if (!count($orig_record)) {
            notice(t('Could not access address book record.') . EOL);
            goaway($a->get_baseurl(true) . '/connections');
        }
        if ($cmd === 'update') {
            // pull feed and consume it, which should subscribe to the hub.
            proc_run('php', "include/poller.php", "{$contact_id}");
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        if ($cmd === 'refresh') {
            if (!zot_refresh($orig_record[0], get_app()->get_channel())) {
                notice(t('Refresh failed - channel is currently unavailable.'));
            }
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        if ($cmd === 'block') {
            if (abook_toggle_flag($orig_record[0], ABOOK_FLAG_BLOCKED)) {
                info(($orig_record[0]['abook_flags'] & ABOOK_FLAG_BLOCKED ? t('Channel has been unblocked') : t('Channel has been blocked')) . EOL);
                connedit_clone($a);
            } else {
                notice(t('Unable to set address book parameters.') . EOL);
            }
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        if ($cmd === 'ignore') {
            if (abook_toggle_flag($orig_record[0], ABOOK_FLAG_IGNORED)) {
                info(($orig_record[0]['abook_flags'] & ABOOK_FLAG_IGNORED ? t('Channel has been unignored') : t('Channel has been ignored')) . EOL);
                connedit_clone($a);
            } else {
                notice(t('Unable to set address book parameters.') . EOL);
            }
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        if ($cmd === 'archive') {
            if (abook_toggle_flag($orig_record[0], ABOOK_FLAG_ARCHIVED)) {
                info(($orig_record[0]['abook_flags'] & ABOOK_FLAG_ARCHIVED ? t('Channel has been unarchived') : t('Channel has been archived')) . EOL);
                connedit_clone($a);
            } else {
                notice(t('Unable to set address book parameters.') . EOL);
            }
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        if ($cmd === 'hide') {
            if (abook_toggle_flag($orig_record[0], ABOOK_FLAG_HIDDEN)) {
                info(($orig_record[0]['abook_flags'] & ABOOK_FLAG_HIDDEN ? t('Channel has been unhidden') : t('Channel has been hidden')) . EOL);
                connedit_clone($a);
            } else {
                notice(t('Unable to set address book parameters.') . EOL);
            }
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        // We'll prevent somebody from unapproving an already approved contact.
        // Though maybe somebody will want this eventually (??)
        if ($cmd === 'approve') {
            if ($orig_record[0]['abook_flags'] & ABOOK_FLAG_PENDING) {
                if (abook_toggle_flag($orig_record[0], ABOOK_FLAG_PENDING)) {
                    info(($orig_record[0]['abook_flags'] & ABOOK_FLAG_PENDING ? t('Channel has been approved') : t('Channel has been unapproved')) . EOL);
                    connedit_clone($a);
                } else {
                    notice(t('Unable to set address book parameters.') . EOL);
                }
            }
            goaway($a->get_baseurl(true) . '/connedit/' . $contact_id);
        }
        if ($cmd === 'drop') {
            require_once 'include/Contact.php';
            // FIXME
            // We need to send either a purge or a refresh packet to the other side (the channel being unfriended).
            // The issue is that the abook DB record _may_ get destroyed when we call contact_remove. As the notifier runs
            // in the background there could be a race condition preventing this packet from being sent in all cases.
            // PLACEHOLDER
            contact_remove(local_user(), $orig_record[0]['abook_id']);
            build_sync_packet(0, array('abook' => array('abook_xchan' => $orig_record[0]['abook_xchan'], 'entry_deleted' => true)));
            info(t('Connection has been removed.') . EOL);
            if (x($_SESSION, 'return_url')) {
                goaway($a->get_baseurl(true) . '/' . $_SESSION['return_url']);
            }
            goaway($a->get_baseurl(true) . '/contacts');
        }
//.........这里部分代码省略.........

function dfrn_notify_post(&$a)
{
    logger(__FUNCTION__, LOGGER_TRACE);
    $dfrn_id = x($_POST, 'dfrn_id') ? notags(trim($_POST['dfrn_id'])) : '';
    $dfrn_version = x($_POST, 'dfrn_version') ? (double) $_POST['dfrn_version'] : 2.0;
    $challenge = x($_POST, 'challenge') ? notags(trim($_POST['challenge'])) : '';
    $data = x($_POST, 'data') ? $_POST['data'] : '';
    $key = x($_POST, 'key') ? $_POST['key'] : '';
    $rino_remote = x($_POST, 'rino') ? intval($_POST['rino']) : 0;
    $dissolve = x($_POST, 'dissolve') ? intval($_POST['dissolve']) : 0;
    $perm = x($_POST, 'perm') ? notags(trim($_POST['perm'])) : 'r';
    $ssl_policy = x($_POST, 'ssl_policy') ? notags(trim($_POST['ssl_policy'])) : 'none';
    $page = x($_POST, 'page') ? intval($_POST['page']) : 0;
    $forum = $page == 1 ? 1 : 0;
    $prv = $page == 2 ? 1 : 0;
    $writable = -1;
    if ($dfrn_version >= 2.21) {
        $writable = $perm === 'rw' ? 1 : 0;
    }
    $direction = -1;
    if (strpos($dfrn_id, ':') == 1) {
        $direction = intval(substr($dfrn_id, 0, 1));
        $dfrn_id = substr($dfrn_id, 2);
    }
    $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1", dbesc($dfrn_id), dbesc($challenge));
    if (!count($r)) {
        logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id . ' challenge=' . $challenge);
        xml_status(3);
    }
    $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s'", dbesc($dfrn_id), dbesc($challenge));
    // find the local user who owns this relationship.
    $sql_extra = '';
    switch ($direction) {
        case -1:
            $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
            break;
        case 0:
            $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
            break;
        case 1:
            $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
            break;
        default:
            xml_status(3);
            break;
            // NOTREACHED
    }
    // be careful - $importer will contain both the contact information for the contact
    // sending us the post, and also the user information for the person receiving it.
    // since they are mixed together, it is easy to get them confused.
    $r = q("SELECT\t`contact`.*, `contact`.`uid` AS `importer_uid`,\n\t\t\t\t\t`contact`.`pubkey` AS `cpubkey`,\n\t\t\t\t\t`contact`.`prvkey` AS `cprvkey`,\n\t\t\t\t\t`contact`.`thumb` AS `thumb`,\n\t\t\t\t\t`contact`.`url` as `url`,\n\t\t\t\t\t`contact`.`name` as `senderName`,\n\t\t\t\t\t`user`.*\n\t\t\tFROM `contact`\n\t\t\tLEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`\n\t\t\tWHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0\n\t\t\t\tAND `user`.`nickname` = '%s' AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 {$sql_extra} LIMIT 1", dbesc($a->argv[1]));
    if (!count($r)) {
        logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
        xml_status(3);
        //NOTREACHED
    }
    // $importer in this case contains the contact record for the remote contact joined with the user record of our user.
    $importer = $r[0];
    logger("Remote rino version: " . $rino_remote . " for " . $importer["url"], LOGGER_DEBUG);
    if ($writable != -1 && $writable != $importer['writable'] || $importer['forum'] != $forum || $importer['prv'] != $prv) {
        q("UPDATE `contact` SET `writable` = %d, forum = %d, prv = %d WHERE `id` = %d", intval($writable == -1 ? $importer['writable'] : $writable), intval($forum), intval($prv), intval($importer['id']));
        if ($writable != -1) {
            $importer['writable'] = $writable;
        }
        $importer['forum'] = $page;
    }
    // if contact's ssl policy changed, update our links
    fix_contact_ssl_policy($importer, $ssl_policy);
    logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']);
    logger('dfrn_notify: data: ' . $data, LOGGER_DATA);
    if ($dissolve == 1) {
        /**
         * Relationship is dissolved permanently
         */
        require_once 'include/Contact.php';
        contact_remove($importer['id']);
        logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
        xml_status(0);
    }
    // If we are setup as a soapbox we aren't accepting input from this person
    // This behaviour is deactivated since it really doesn't make sense to even disallow comments
    // The check if someone is a friend or simply a follower is done in a later place so it needn't to be done here
    //if($importer['page-flags'] == PAGE_SOAPBOX)
    //	xml_status(0);
    $rino = get_config('system', 'rino_encrypt');
    $rino = intval($rino);
    // use RINO1 if mcrypt isn't installed and RINO2 was selected
    if ($rino == 2 and !function_exists('mcrypt_create_iv')) {
        $rino = 1;
    }
    logger("Local rino version: " . $rino, LOGGER_DEBUG);
    if (strlen($key)) {
        // if local rino is lower than remote rino, abort: should not happen!
        // but only for $remote_rino > 1, because old code did't send rino version
        if ($rino_remote_version > 1 && $rino < $rino_remote) {
            logger("rino version '{$rino_remote}' is lower than supported '{$rino}'");
            xml_status(0, "rino version '{$rino_remote}' is lower than supported '{$rino}'");
        }
        $rawkey = hex2bin(trim($key));
        logger('rino: md5 raw key: ' . md5($rawkey));
//.........这里部分代码省略.........

/**
 * @param App $a
 */
function facebook_post(&$a)
{
    $uid = local_user();
    if ($uid) {
        $fb_limited = get_config('facebook', 'restrict');
        $value = x($_POST, 'post_by_default') ? intval($_POST['post_by_default']) : 0;
        set_pconfig($uid, 'facebook', 'post_by_default', $value);
        $no_linking = get_pconfig($uid, 'facebook', 'no_linking');
        $no_wall = x($_POST, 'facebook_no_wall') ? intval($_POST['facebook_no_wall']) : 0;
        set_pconfig($uid, 'facebook', 'no_wall', $no_wall);
        $private_wall = x($_POST, 'facebook_private_wall') ? intval($_POST['facebook_private_wall']) : 0;
        set_pconfig($uid, 'facebook', 'private_wall', $private_wall);
        set_pconfig($uid, 'facebook', 'blocked_apps', escape_tags(trim($_POST['blocked_apps'])));
        $linkvalue = x($_POST, 'facebook_linking') ? intval($_POST['facebook_linking']) : 0;
        if ($fb_limited) {
            if ($linkvalue == 0) {
                set_pconfig($uid, 'facebook', 'no_linking', 1);
            }
        } else {
            set_pconfig($uid, 'facebook', 'no_linking', $linkvalue ? 0 : 1);
        }
        // FB linkage was allowed but has just been turned off - remove all FB contacts and posts
        if (!intval($no_linking) && !intval($linkvalue)) {
            $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s' ", intval($uid), dbesc(NETWORK_FACEBOOK));
            if (count($r)) {
                require_once 'include/Contact.php';
                foreach ($r as $rr) {
                    contact_remove($rr['id']);
                }
            }
        } elseif (intval($no_linking) && intval($linkvalue)) {
            // FB linkage is now allowed - import stuff.
            fb_get_self($uid);
            fb_get_friends($uid, true);
            fb_consume_all($uid);
        }
        info(t('Settings updated.') . EOL);
    }
    return;
}

function process_channel_sync_delivery($sender, $arr, $deliveries)
{
    /** @FIXME this will sync red structures (channel, pconfig and abook). Eventually we need to make this application agnostic. */
    $result = array();
    foreach ($deliveries as $d) {
        $r = q("select * from channel where channel_hash = '%s' limit 1", dbesc($d['hash']));
        if (!$r) {
            $result[] = array($d['hash'], 'not found');
            continue;
        }
        $channel = $r[0];
        $max_friends = service_class_fetch($channel['channel_id'], 'total_channels');
        $max_feeds = account_service_class_fetch($channel['channel_account_id'], 'total_feeds');
        if ($channel['channel_hash'] != $sender['hash']) {
            logger('process_channel_sync_delivery: possible forgery. Sender ' . $sender['hash'] . ' is not ' . $channel['channel_hash']);
            $result[] = array($d['hash'], 'channel mismatch', $channel['channel_name'], '');
            continue;
        }
        if (array_key_exists('config', $arr) && is_array($arr['config']) && count($arr['config'])) {
            foreach ($arr['config'] as $cat => $k) {
                foreach ($arr['config'][$cat] as $k => $v) {
                    set_pconfig($channel['channel_id'], $cat, $k, $v);
                }
            }
        }
        if (array_key_exists('channel', $arr) && is_array($arr['channel']) && count($arr['channel'])) {
            $disallowed = array('channel_id', 'channel_account_id', 'channel_primary', 'channel_prvkey', 'channel_address', 'channel_notifyflags');
            $clean = array();
            foreach ($arr['channel'] as $k => $v) {
                if (in_array($k, $disallowed)) {
                    continue;
                }
                $clean[$k] = $v;
            }
            if (count($clean)) {
                foreach ($clean as $k => $v) {
                    $r = dbq("UPDATE channel set " . dbesc($k) . " = '" . dbesc($v) . "' where channel_id = " . intval($channel['channel_id']));
                }
            }
        }
        if (array_key_exists('abook', $arr) && is_array($arr['abook']) && count($arr['abook'])) {
            $total_friends = 0;
            $total_feeds = 0;
            $r = q("select abook_id, abook_flags from abook where abook_channel = %d", intval($channel['channel_id']));
            if ($r) {
                // don't count yourself
                $total_friends = count($r) > 0 ? count($r) - 1 : 0;
                foreach ($r as $rr) {
                    if ($rr['abook_flags'] & ABOOK_FLAG_FEED) {
                        $total_feeds++;
                    }
                }
            }
            $disallowed = array('abook_id', 'abook_account', 'abook_channel');
            foreach ($arr['abook'] as $abook) {
                $clean = array();
                if ($abook['abook_xchan'] && $abook['entry_deleted']) {
                    logger('process_channel_sync_delivery: removing abook entry for ' . $abook['abook_xchan']);
                    require_once 'include/Contact.php';
                    $r = q("select abook_id, abook_flags from abook where abook_xchan = '%s' and abook_channel = %d and not ( abook_flags & %d )>0 limit 1", dbesc($abook['abook_xchan']), intval($channel['channel_id']), intval(ABOOK_FLAG_SELF));
                    if ($r) {
                        contact_remove($channel['channel_id'], $r[0]['abook_id']);
                        if ($total_friends) {
                            $total_friends--;
                        }
                        if ($r[0]['abook_flags'] & ABOOK_FLAG_FEED) {
                            $total_feeds--;
                        }
                    }
                    continue;
                }
                // Perform discovery if the referenced xchan hasn't ever been seen on this hub.
                // This relies on the undocumented behaviour that red sites send xchan info with the abook
                if ($abook['abook_xchan'] && $abook['xchan_address']) {
                    $h = zot_get_hublocs($abook['abook_xchan']);
                    if (!$h) {
                        $f = zot_finger($abook['xchan_address'], $channel);
                        if (!$f['success']) {
                            logger('process_channel_sync_delivery: abook not probe-able' . $abook['xchan_address']);
                            continue;
                        }
                        $j = json_decode($f['body'], true);
                        if (!($j['success'] && $j['guid'])) {
                            logger('process_channel_sync_delivery: probe failed.');
                            continue;
                        }
                        $x = import_xchan($j);
                        if (!$x['success']) {
                            logger('process_channel_sync_delivery: import failed.');
                            continue;
                        }
                    }
                }
                foreach ($abook as $k => $v) {
                    if (in_array($k, $disallowed) || strpos($k, 'abook') !== 0) {
                        continue;
                    }
                    $clean[$k] = $v;
                }
                if (!array_key_exists('abook_xchan', $clean)) {
//.........这里部分代码省略.........

function lose_sharer($importer, $contact, $datarray, $item)
{
    if ($contact['rel'] == CONTACT_IS_FRIEND || $contact['rel'] == CONTACT_IS_FOLLOWER) {
        q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d", intval(CONTACT_IS_FOLLOWER), intval($contact['id']));
    } else {
        contact_remove($contact['id']);
    }
}

//.........这里部分代码省略.........
            json_return_and_die($ret);
        }
        // There should be exactly one recipient, the original auth requestor
        $ret['message'] .= 'recipients ' . print_r($recipients, true) . EOL;
        if ($data['recipients']) {
            $arr = $data['recipients'][0];
            $recip_hash = make_xchan_hash($arr['guid'], $arr['guid_sig']);
            $c = q("select channel_id, channel_account_id, channel_prvkey from channel where channel_hash = '%s' limit 1", dbesc($recip_hash));
            if (!$c) {
                logger('mod_zot: auth_check: recipient channel not found.');
                $ret['message'] .= 'recipient not found.' . EOL;
                json_return_and_die($ret);
            }
            $confirm = base64url_encode(rsa_sign($data['secret'] . $recip_hash, $c[0]['channel_prvkey']));
            // This additionally checks for forged sites since we already stored the expected result in meta
            // and we've already verified that this is them via zot_gethub() and that their key signed our token
            $z = q("select id from verify where channel = %d and type = 'auth' and token = '%s' and meta = '%s' limit 1", intval($c[0]['channel_id']), dbesc($data['secret']), dbesc($data['sender']['url']));
            if (!$z) {
                logger('mod_zot: auth_check: verification key not found.');
                $ret['message'] .= 'verification key not found' . EOL;
                json_return_and_die($ret);
            }
            $r = q("delete from verify where id = %d limit 1", intval($z[0]['id']));
            $u = q("select account_service_class from account where account_id = %d limit 1", intval($c[0]['channel_account_id']));
            logger('mod_zot: auth_check: success', LOGGER_DEBUG);
            $ret['success'] = true;
            $ret['confirm'] = $confirm;
            if ($u && $u[0]['account_service_class']) {
                $ret['service_class'] = $u[0]['account_service_class'];
            }
            // Set "do not track" flag if this site or this channel's profile is restricted
            if (intval(get_config('system', 'block_public'))) {
                $ret['DNT'] = true;
            }
            if (!perm_is_allowed($c[0]['channel_id'], '', 'view_profile')) {
                $ret['DNT'] = true;
            }
            if (get_pconfig($c[0]['channel_id'], 'system', 'do_not_track')) {
                $ret['DNT'] = true;
            }
            json_return_and_die($ret);
        }
        json_return_and_die($ret);
    }
    if ($msgtype === 'purge') {
        if ($recipients) {
            // basically this means "unfriend"
            foreach ($recipients as $recip) {
                $r = q("select channel.*,xchan.* from channel \n\t\t\t\t\tleft join xchan on channel_hash = xchan_hash\n\t\t\t\t\twhere channel_guid = '%s' and channel_guid_sig = '%s' limit 1", dbesc($recip['guid']), dbesc($recip['guid_sig']));
                if ($r) {
                    $r = q("select abook_id from abook where uid = %d and abook_xchan = '%s' limit 1", intval($r[0]['channel_id']), dbesc(make_xchan_hash($sender['guid'], $sender['guid_sig'])));
                    if ($r) {
                        contact_remove($r[0]['channel_id'], $r[0]['abook_id']);
                    }
                }
            }
        } else {
            // Unfriend everybody - basically this means the channel has committed suicide
            $arr = $data['sender'];
            $sender_hash = make_xchan_hash($arr['guid'], $arr['guid_sig']);
            require_once 'include/Contact.php';
            remove_all_xchan_resources($sender_hash);
            $ret['success'] = true;
            json_return_and_die($ret);
        }
    }
    if ($msgtype === 'refresh' || $msgtype === 'force_refresh') {
        // remote channel info (such as permissions or photo or something)
        // has been updated. Grab a fresh copy and sync it.
        // The difference between refresh and force_refresh is that
        // force_refresh unconditionally creates a directory update record,
        // even if no changes were detected upon processing.
        if ($recipients) {
            // This would be a permissions update, typically for one connection
            foreach ($recipients as $recip) {
                $r = q("select channel.*,xchan.* from channel \n\t\t\t\t\tleft join xchan on channel_hash = xchan_hash\n\t\t\t\t\twhere channel_guid = '%s' and channel_guid_sig = '%s' limit 1", dbesc($recip['guid']), dbesc($recip['guid_sig']));
                $x = zot_refresh(array('xchan_guid' => $sender['guid'], 'xchan_guid_sig' => $sender['guid_sig'], 'hubloc_url' => $sender['url']), $r[0], $msgtype === 'force_refresh' ? true : false);
            }
        } else {
            // system wide refresh
            $x = zot_refresh(array('xchan_guid' => $sender['guid'], 'xchan_guid_sig' => $sender['guid_sig'], 'hubloc_url' => $sender['url']), null, $msgtype === 'force_refresh' ? true : false);
        }
        $ret['success'] = true;
        json_return_and_die($ret);
    }
    if ($msgtype === 'notify') {
        $async = get_config('system', 'queued_fetch');
        if ($async) {
            // add to receive queue
            // qreceive_add($data);
        } else {
            $x = zot_fetch($data);
            $ret['delivery_report'] = $x;
        }
        $ret['success'] = true;
        json_return_and_die($ret);
    }
    // catchall
    json_return_and_die($ret);
}