PHP drop_item函数代码示例

function expire_run($argv, $argc)
{
    cli_startup();
    $r = q("select id from item where (item_restrict & %d) and not (item_restrict & %d) and changed < UTC_TIMESTAMP() - INTERVAL 10 DAY", intval(ITEM_DELETED), intval(ITEM_PENDING_REMOVE));
    if ($r) {
        foreach ($r as $rr) {
            drop_item($rr['id'], false, DROPITEM_PHASE2);
        }
    }
    // physically remove anything that has been deleted for more than two months
    $r = q("delete from item where ( item_restrict & %d ) and changed < UTC_TIMESTAMP() - INTERVAL 36 DAY", intval(ITEM_PENDING_REMOVE));
    // make this optional as it could have a performance impact on large sites
    if (intval(get_config('system', 'optimize_items'))) {
        q("optimize table item");
    }
    logger('expire: start', LOGGER_DEBUG);
    $r = q("SELECT channel_id, channel_address, channel_expire_days from channel where channel_expire_days != 0");
    if ($r && count($r)) {
        foreach ($r as $rr) {
            logger('Expire: ' . $rr['channel_address'] . ' interval: ' . $rr['channel_expire_days'], LOGGER_DEBUG);
            item_expire($rr['channel_id'], $rr['channel_expire_days']);
        }
    }
    $x = get_sys_channel();
    if ($x) {
        // this should probably just fetch the channel_expire_days from the sys channel,
        // but there's no convenient way to set it.
        $expire_days = get_config('externals', 'expire_days');
        if ($expire_days === false) {
            $expire_days = 30;
        }
        if ($expire_days) {
            item_expire($x['channel_id'], $expire_days);
        }
    }
    return;
}

function drop_items($items)
{
    $uid = 0;
    if (!local_channel() && !remote_channel()) {
        return;
    }
    if (count($items)) {
        foreach ($items as $item) {
            $owner = drop_item($item, false);
            if ($owner && !$uid) {
                $uid = $owner;
            }
        }
    }
    // multiple threads may have been deleted, send an expire notification
    if ($uid) {
        Zotlabs\Daemon\Master::Summon(array('Notifier', 'expire', $uid));
    }
}

function poller_run($argv, $argc)
{
    cli_startup();
    $a = get_app();
    $maxsysload = intval(get_config('system', 'maxloadavg'));
    if ($maxsysload < 1) {
        $maxsysload = 50;
    }
    if (function_exists('sys_getloadavg')) {
        $load = sys_getloadavg();
        if (intval($load[0]) > $maxsysload) {
            logger('system: load ' . $load . ' too high. Poller deferred to next scheduled run.');
            return;
        }
    }
    $interval = intval(get_config('system', 'poll_interval'));
    if (!$interval) {
        $interval = get_config('system', 'delivery_interval') === false ? 3 : intval(get_config('system', 'delivery_interval'));
    }
    logger('poller: start');
    // run queue delivery process in the background
    proc_run('php', "include/queue.php");
    // expire any expired mail
    q("delete from mail where expires != '%s' and expires < UTC_TIMESTAMP() ", dbesc(NULL_DATE));
    // expire any expired items
    $r = q("select id from item where expires != '%s' and expires < UTC_TIMESTAMP() \n\t\tand not ( item_restrict & %d ) ", dbesc(NULL_DATE), intval(ITEM_DELETED));
    if ($r) {
        require_once 'include/items.php';
        foreach ($r as $rr) {
            drop_item($rr['id'], false);
        }
    }
    // Ensure that every channel pings a directory server once a month. This way we can discover
    // channels and sites that quietly vanished and prevent the directory from accumulating stale
    // or dead entries.
    $r = q("select channel_id from channel where channel_dirdate < UTC_TIMESTAMP() - INTERVAL 30 DAY");
    if ($r) {
        foreach ($r as $rr) {
            proc_run('php', 'include/directory.php', $rr['channel_id'], 'force');
            if ($interval) {
                @time_sleep_until(microtime(true) + (double) $interval);
            }
        }
    }
    // publish any applicable items that were set to be published in the future
    // (time travel posts)
    $r = q("select id from item where ( item_restrict & %d ) and created <= UTC_TIMESTAMP() ", intval(ITEM_DELAYED_PUBLISH));
    if ($r) {
        foreach ($r as $rr) {
            $x = q("update item set item_restrict = ( item_restrict ^ %d ) where id = %d limit 1", intval(ITEM_DELAYED_PUBLISH), intval($rr['id']));
            if ($x) {
                proc_run('php', 'include/notifier.php', 'wall-new', $rr['id']);
            }
        }
    }
    $abandon_days = intval(get_config('system', 'account_abandon_days'));
    if ($abandon_days < 1) {
        $abandon_days = 0;
    }
    // once daily run birthday_updates and then expire in background
    // FIXME: add birthday updates, both locally and for xprof for use
    // by directory servers
    $d1 = intval(get_config('system', 'last_expire_day'));
    $d2 = intval(datetime_convert('UTC', 'UTC', 'now', 'd'));
    // Allow somebody to staggger daily activities if they have more than one site on their server,
    // or if it happens at an inconvenient (busy) hour.
    $h1 = intval(get_config('system', 'cron_hour'));
    $h2 = intval(datetime_convert('UTC', 'UTC', 'now', 'G'));
    $dirmode = get_config('system', 'directory_mode');
    /**
     * Cron Daily
     *
     * Actions in the following block are executed once per day, not on every poller run
     *
     */
    if ($d2 != $d1 && $h1 == $h2) {
        require_once 'include/dir_fns.php';
        check_upstream_directory();
        call_hooks('cron_daily', datetime_convert());
        $d3 = intval(datetime_convert('UTC', 'UTC', 'now', 'N'));
        if ($d3 == 7) {
            /**
             * Cron Weekly
             * 
             * Actions in the following block are executed once per day only on Sunday (once per week).
             *
             */
            call_hooks('cron_weekly', datetime_convert());
            require_once 'include/hubloc.php';
            prune_hub_reinstalls();
            require_once 'include/Contact.php';
            mark_orphan_hubsxchans();
            /**
             * End Cron Weekly
             */
        }
        update_birthdays();
        // expire any read notifications over a month old
        q("delete from notify where seen = 1 and date < UTC_TIMESTAMP() - INTERVAL 30 DAY");
        // expire any expired accounts
//.........这里部分代码省略.........

/**
 * @brief Deletes an imported item.
 *
 * @param array $sender
 *   * \e string \b hash a xchan_hash
 * @param array $item
 * @param int $uid
 * @param boolean $relay
 * @return boolean|int post_id
 */
function delete_imported_item($sender, $item, $uid, $relay)
{
    logger('delete_imported_item invoked', LOGGER_DEBUG);
    $ownership_valid = false;
    $item_found = false;
    $post_id = 0;
    $r = q("select id, author_xchan, owner_xchan, source_xchan, item_deleted from item where ( author_xchan = '%s' or owner_xchan = '%s' or source_xchan = '%s' )\n\t\tand mid = '%s' and uid = %d limit 1", dbesc($sender['hash']), dbesc($sender['hash']), dbesc($sender['hash']), dbesc($item['mid']), intval($uid));
    if ($r) {
        if ($r[0]['author_xchan'] === $sender['hash'] || $r[0]['owner_xchan'] === $sender['hash'] || $r[0]['source_xchan'] === $sender['hash']) {
            $ownership_valid = true;
        }
        $post_id = $r[0]['id'];
        $item_found = true;
    } else {
        // perhaps the item is still in transit and the delete notification got here before the actual item did. Store it with the deleted flag set.
        // item_store() won't try to deliver any notifications or start delivery chains if this flag is set.
        // This means we won't end up with potentially even more delivery threads trying to push this delete notification.
        // But this will ensure that if the (undeleted) original post comes in at a later date, we'll reject it because it will have an older timestamp.
        logger('delete received for non-existent item - storing item data.');
        /** @BUG $arr is undefined here, so this is dead code */
        if ($arr['author_xchan'] === $sender['hash'] || $arr['owner_xchan'] === $sender['hash'] || $arr['source_xchan'] === $sender['hash']) {
            $ownership_valid = true;
            $item_result = item_store($arr);
            $post_id = $item_result['item_id'];
        }
    }
    if ($ownership_valid === false) {
        logger('delete_imported_item: failed: ownership issue');
        return false;
    }
    require_once 'include/items.php';
    if ($item_found) {
        if (intval($r[0]['item_deleted'])) {
            logger('delete_imported_item: item was already deleted');
            if (!$relay) {
                return false;
            }
            // This is a bit hackish, but may have to suffice until the notification/delivery loop is optimised
            // a bit further. We're going to strip the ITEM_ORIGIN on this item if it's a comment, because
            // it was already deleted, and we're already relaying, and this ensures that no other process or
            // code path downstream can relay it again (causing a loop). Since it's already gone it's not coming
            // back, and we aren't going to (or shouldn't at any rate) delete it again in the future - so losing
            // this information from the metadata should have no other discernible impact.
            if ($r[0]['id'] != $r[0]['parent'] && intval($r[0]['item_origin'])) {
                q("update item set item_origin = 0 where id = %d and uid = %d", intval($r[0]['id']), intval($r[0]['uid']));
            }
        }
        require_once 'include/items.php';
        // Use phased deletion to set the deleted flag, call both tag_deliver and the notifier to notify downstream channels
        // and then clean up after ourselves with a cron job after several days to do the delete_item_lowlevel() (DROPITEM_PHASE2).
        drop_item($post_id, false, DROPITEM_PHASE1);
        tag_deliver($uid, $post_id);
    }
    return $post_id;
}

/**
 *
 */
function api_statuses_destroy(&$a, $type)
{
    if (api_user() === false) {
        return false;
    }
    $user_info = api_get_user($a);
    // params
    $id = intval($a->argv[3]);
    if ($id == 0) {
        $id = intval($_REQUEST["id"]);
    }
    // Hotot workaround
    if ($id == 0) {
        $id = intval($a->argv[4]);
    }
    logger('API: api_statuses_destroy: ' . $id);
    $ret = api_statuses_show($a, $type);
    drop_item($id, false);
    return $ret;
}

function item_content(&$a)
{
    if (!local_channel() && !remote_channel()) {
        return;
    }
    require_once 'include/security.php';
    if (argc() == 3 && argv(1) === 'drop' && intval(argv(2))) {
        require_once 'include/items.php';
        $i = q("select id, uid, author_xchan, owner_xchan, source_xchan, item_restrict from item where id = %d limit 1", intval(argv(2)));
        if ($i) {
            $can_delete = false;
            $local_delete = false;
            if (local_channel() && local_channel() == $i[0]['uid']) {
                $local_delete = true;
            }
            $sys = get_sys_channel();
            if (is_site_admin() && $sys['channel_id'] == $i[0]['uid']) {
                $can_delete = true;
            }
            $ob_hash = get_observer_hash();
            if ($ob_hash && ($ob_hash === $i[0]['author_xchan'] || $ob_hash === $i[0]['owner_xchan'] || $ob_hash === $i[0]['source_xchan'])) {
                $can_delete = true;
            }
            if (!($can_delete || $local_delete)) {
                notice(t('Permission denied.') . EOL);
                return;
            }
            // if this is a different page type or it's just a local delete
            // but not by the item author or owner, do a simple deletion
            if ($i[0]['item_restrict'] || $local_delete && !$can_delete) {
                drop_item($i[0]['id']);
            } else {
                // complex deletion that needs to propagate and be performed in phases
                drop_item($i[0]['id'], true, DROPITEM_PHASE1);
                tag_deliver($i[0]['uid'], $i[0]['id']);
            }
        }
    }
}

/**
 * @brief Delete a file/directory from a channel.
 *
 * If the provided resource hash is from a directory it will delete everything
 * recursively under this directory.
 *
 * @param int $channel_id
 *  The id of the channel
 * @param string $resource
 *  The hash to delete
 * @return void
 */
function attach_delete($channel_id, $resource, $is_photo = 0)
{
    $c = q("SELECT channel_address FROM channel WHERE channel_id = %d LIMIT 1", intval($channel_id));
    $channel_address = $c ? $c[0]['channel_address'] : 'notfound';
    $photo_sql = $is_photo ? " and is_photo = 1 " : '';
    $r = q("SELECT hash, flags, is_dir, is_photo, folder FROM attach WHERE hash = '%s' AND uid = %d {$photo_sql} limit 1", dbesc($resource), intval($channel_id));
    if (!$r) {
        return;
    }
    $cloudpath = get_parent_cloudpath($channel_id, $channel_address, $resource);
    $object = get_file_activity_object($channel_id, $resource, $cloudpath);
    // If resource is a directory delete everything in the directory recursive
    if (intval($r[0]['is_dir'])) {
        $x = q("SELECT hash, os_storage, is_dir, flags FROM attach WHERE folder = '%s' AND uid = %d", dbesc($resource), intval($channel_id));
        if ($x) {
            foreach ($x as $xx) {
                attach_delete($channel_id, $xx['hash']);
            }
        }
    }
    // delete a file from filesystem
    if (intval($r[0]['os_storage'])) {
        $y = q("SELECT data FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1", dbesc($resource), intval($channel_id));
        if ($y) {
            $f = 'store/' . $channel_address . '/' . $y[0]['data'];
            if (is_dir($y[0]['data'])) {
                @rmdir($y[0]['data']);
            } elseif (file_exists($f)) {
                unlink($f);
            }
        }
    }
    // delete from database
    $z = q("DELETE FROM attach WHERE hash = '%s' AND uid = %d", dbesc($resource), intval($channel_id));
    if ($r[0]['is_photo']) {
        $x = q("select id, item_hidden from item where resource_id = '%s' and resource_type = 'photo' and uid = %d", dbesc($resource), intval($channel_id));
        if ($x) {
            drop_item($x[0]['id'], false, $x[0]['item_hidden'] ? DROPITEM_NORMAL : DROPITEM_PHASE1, true);
            q("DELETE FROM photo WHERE uid = %d AND resource_id = '%s'", intval($channel_id), dbesc($resource));
        }
    }
    // update the parent folder's lastmodified timestamp
    $e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d", dbesc(datetime_convert()), dbesc($r[0]['folder']), intval($channel_id));
    file_activity($channel_id, $object, $object['allow_cid'], $object['allow_gid'], $object['deny_cid'], $object['deny_gid'], 'update', $notify = 0);
}

//.........这里部分代码省略.........
                notice(t('Invalid request.') . EOL);
                return $o;
            }
            killme();
        }
        // The resultant activity is going to be a wall-to-wall post, so make sure this is allowed
        $perms = get_all_perms($owner_uid, $observer['xchan_hash']);
        if (!($perms['post_like'] && $perms['view_profile'])) {
            if ($interactive) {
                notice(t('Permission denied.') . EOL);
                return $o;
            }
            killme();
        }
        $ch = q("select * from channel left join xchan on channel_hash = xchan_hash where channel_id = %d limit 1", intval($owner_uid));
        if (!$ch) {
            if ($interactive) {
                notice(t('Channel unavailable.') . EOL);
                return $o;
            }
            killme();
        }
        if (!$plink) {
            $plink = '[zrl=' . z_root() . '/profile/' . $ch[0]['channel_address'] . ']' . $post_type . '[/zrl]';
        }
        $links = array();
        $links[] = array('rel' => 'alternate', 'type' => 'text/html', 'href' => z_root() . '/profile/' . $ch[0]['channel_address']);
        $links[] = array('rel' => 'photo', 'type' => $ch[0]['xchan_photo_mimetype'], 'href' => $ch[0]['xchan_photo_l']);
        $object = json_encode(array('type' => ACTIVITY_OBJ_PROFILE, 'title' => $ch[0]['channel_name'], 'id' => $ch[0]['xchan_url'] . '/' . $ch[0]['xchan_hash'], 'link' => $links));
        // second like of the same thing is "undo" for the first like
        $z = q("select * from likes where channel_id = %d and liker = '%s' and verb = '%s' and target_type = '%s' and target_id = '%s' limit 1", intval($ch[0]['channel_id']), dbesc($observer['xchan_hash']), dbesc($activity), dbesc($tgttype ? $tgttype : $objtype), dbesc($obj_id));
        if ($z) {
            q("delete from likes where id = %d limit 1", intval($z[0]['id']));
            drop_item($z[0]['iid'], false);
            if ($interactive) {
                notice(t('Previous action reversed.') . EOL);
                return $o;
            }
            killme();
        }
    } else {
        // this is used to like an item or comment
        $item_id = argc() == 2 ? notags(trim(argv(1))) : 0;
        logger('like: verb ' . $verb . ' item ' . $item_id, LOGGER_DEBUG);
        // get the item. Allow linked photos (which are normally hidden) to be liked
        $r = q("SELECT * FROM item WHERE id = %d and (item_restrict = 0 or item_restrict = %d) LIMIT 1", intval($item_id), intval(ITEM_HIDDEN));
        if (!$item_id || !$r) {
            logger('like: no item ' . $item_id);
            killme();
        }
        $item = $r[0];
        $owner_uid = $item['uid'];
        $owner_aid = $item['aid'];
        $sys = get_sys_channel();
        // if this is a "discover" item, (item['uid'] is the sys channel),
        // fallback to the item comment policy, which should've been
        // respected when generating the conversation thread.
        // Even if the activity is rejected by the item owner, it should still get attached
        // to the local discover conversation on this site.
        if ($owner_uid != $sys['channel_id'] && !perm_is_allowed($owner_uid, $observer['xchan_hash'], 'post_comments')) {
            notice(t('Permission denied') . EOL);
            killme();
        }
        $r = q("select * from xchan where xchan_hash = '%s' limit 1", dbesc($item['owner_xchan']));
        if ($r) {
            $thread_owner = $r[0];

 public static function run($argc, $argv)
 {
     cli_startup();
     // perform final cleanup on previously delete items
     $r = q("select id from item where item_deleted = 1 and item_pending_remove = 0 and changed < %s - INTERVAL %s", db_utcnow(), db_quoteinterval('10 DAY'));
     if ($r) {
         foreach ($r as $rr) {
             drop_item($rr['id'], false, DROPITEM_PHASE2);
         }
     }
     // physically remove anything that has been deleted for more than two months
     /** @FIXME - this is a wretchedly inefficient query */
     $r = q("delete from item where item_pending_remove = 1 and changed < %s - INTERVAL %s", db_utcnow(), db_quoteinterval('36 DAY'));
     /** @FIXME make this optional as it could have a performance impact on large sites */
     if (intval(get_config('system', 'optimize_items'))) {
         q("optimize table item");
     }
     logger('expire: start', LOGGER_DEBUG);
     $site_expire = get_config('system', 'default_expire_days');
     logger('site_expire: ' . $site_expire);
     $r = q("SELECT channel_id, channel_system, channel_address, channel_expire_days from channel where true");
     if ($r) {
         foreach ($r as $rr) {
             // expire the sys channel separately
             if (intval($rr['channel_system'])) {
                 continue;
             }
             // service class default (if non-zero) over-rides the site default
             $service_class_expire = service_class_fetch($rr['channel_id'], 'expire_days');
             if (intval($service_class_expire)) {
                 $channel_expire = $service_class_expire;
             } else {
                 $channel_expire = $site_expire;
             }
             if (intval($channel_expire) && intval($channel_expire) < intval($rr['channel_expire_days']) || intval($rr['channel_expire_days'] == 0)) {
                 $expire_days = $channel_expire;
             } else {
                 $expire_days = $rr['channel_expire_days'];
             }
             // if the site or service class expiration is non-zero and less than person expiration, use that
             logger('Expire: ' . $rr['channel_address'] . ' interval: ' . $expire_days, LOGGER_DEBUG);
             item_expire($rr['channel_id'], $expire_days);
         }
     }
     $x = get_sys_channel();
     if ($x) {
         // this should probably just fetch the channel_expire_days from the sys channel,
         // but there's no convenient way to set it.
         $expire_days = get_config('system', 'sys_expire_days');
         if ($expire_days === false) {
             $expire_days = 30;
         }
         if (intval($site_expire) && intval($site_expire) < intval($expire_days)) {
             $expire_days = $site_expire;
         }
         logger('Expire: sys interval: ' . $expire_days, LOGGER_DEBUG);
         if ($expire_days) {
             item_expire($x['channel_id'], $expire_days);
         }
         logger('Expire: sys: done', LOGGER_DEBUG);
     }
 }

function wiki_delete_wiki($resource_id)
{
    $w = wiki_get_wiki($resource_id);
    $item = $w['wiki'];
    if (!$item || !$w['path']) {
        return array('item' => null, 'success' => false);
    } else {
        $drop = drop_item($item['id'], false, DROPITEM_NORMAL, true);
        $pathdel = rrmdir($w['path']);
        if ($pathdel) {
            info('Wiki files deleted successfully');
        }
        return array('item' => $item, 'success' => $drop === 1 && $pathdel ? true : false);
    }
}

function photos_post(&$a)
{
    logger('mod-photos: photos_post: begin', LOGGER_DEBUG);
    logger('mod_photos: REQUEST ' . print_r($_REQUEST, true), LOGGER_DATA);
    logger('mod_photos: FILES ' . print_r($_FILES, true), LOGGER_DATA);
    $ph = photo_factory('');
    $phototypes = $ph->supportedTypes();
    $can_post = false;
    $page_owner_uid = $a->data['channel']['channel_id'];
    if (perm_is_allowed($page_owner_uid, get_observer_hash(), 'post_photos')) {
        $can_post = true;
    }
    if (!$can_post) {
        notice(t('Permission denied.') . EOL);
        if (is_ajax()) {
            killme();
        }
        return;
    }
    $s = abook_self($page_owner_uid);
    if (!$s) {
        notice(t('Page owner information could not be retrieved.') . EOL);
        logger('mod_photos: post: unable to locate contact record for page owner. uid=' . $page_owner_uid);
        if (is_ajax()) {
            killme();
        }
        return;
    }
    $owner_record = $s[0];
    if (argc() > 3 && argv(2) === 'album') {
        $album = hex2bin(argv(3));
        if ($album === t('Profile Photos')) {
            // not allowed
            goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
        }
        if (!photos_album_exists($page_owner_uid, $album)) {
            notice(t('Album not found.') . EOL);
            goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
        }
        /*
         * RENAME photo album
         */
        $newalbum = notags(trim($_REQUEST['albumname']));
        if ($newalbum != $album) {
            $x = photos_album_rename($page_owner_uid, $album, $newalbum);
            if ($x) {
                $newurl = str_replace(bin2hex($album), bin2hex($newalbum), $_SESSION['photo_return']);
                goaway($a->get_baseurl() . '/' . $newurl);
            }
        }
        /*
         * DELETE photo album and all its photos
         */
        if ($_REQUEST['dropalbum'] == t('Delete Album')) {
            $res = array();
            // get the list of photos we are about to delete
            if (remote_user() && !local_user()) {
                $str = photos_album_get_db_idstr($page_owner_uid, $album, remote_user());
            } elseif (local_user()) {
                $str = photos_album_get_db_idstr(local_user(), $album);
            } else {
                $str = null;
            }
            if (!$str) {
                goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
            }
            $r = q("select id, item_restrict from item where resource_id in ( {$str} ) and resource_type = 'photo' and uid = %d", intval($page_owner_uid));
            if ($r) {
                foreach ($r as $i) {
                    drop_item($i['id'], false);
                    if (!$item_restrict) {
                        proc_run('php', 'include/notifier.php', 'drop', $i['id']);
                    }
                }
            }
            // remove the associated photos in case they weren't attached to an item
            q("delete from photo where resource_id in ( {$str} ) and uid = %d", intval($page_owner_uid));
        }
        goaway($a->get_baseurl() . '/photos/' . $a->data['channel']['channel_address']);
    }
    if (argc() > 2 && x($_REQUEST, 'delete') && $_REQUEST['delete'] === t('Delete Photo')) {
        // same as above but remove single photo
        $ob_hash = get_observer_hash();
        if (!$ob_hash) {
            goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
        }
        $r = q("SELECT `id`, `resource_id` FROM `photo` WHERE ( xchan = '%s' or `uid` = %d ) AND `resource_id` = '%s' LIMIT 1", dbesc($ob_hash), intval(local_user()), dbesc($a->argv[2]));
        if ($r) {
            q("DELETE FROM `photo` WHERE `uid` = %d AND `resource_id` = '%s'", intval($page_owner_uid), dbesc($r[0]['resource_id']));
            $i = q("SELECT * FROM `item` WHERE `resource_id` = '%s' AND resource_type = 'photo' and `uid` = %d LIMIT 1", dbesc($r[0]['resource_id']), intval($page_owner_uid));
            if (count($i)) {
                q("UPDATE `item` SET item_restrict = (item_restrict | %d), `edited` = '%s', `changed` = '%s' WHERE `parent_mid` = '%s' AND `uid` = %d", intval(ITEM_DELETED), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc($i[0]['mid']), intval($page_owner_uid));
                $url = $a->get_baseurl();
                $drop_id = intval($i[0]['id']);
                if ($i[0]['visible']) {
                    proc_run('php', "include/notifier.php", "drop", "{$drop_id}");
                }
            }
        }
        goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
//.........这里部分代码省略.........

function poller_run($argv, $argc)
{
    cli_startup();
    $a = get_app();
    $maxsysload = intval(get_config('system', 'maxloadavg'));
    if ($maxsysload < 1) {
        $maxsysload = 50;
    }
    if (function_exists('sys_getloadavg')) {
        $load = sys_getloadavg();
        if (intval($load[0]) > $maxsysload) {
            logger('system: load ' . $load . ' too high. Poller deferred to next scheduled run.');
            return;
        }
    }
    $interval = intval(get_config('system', 'poll_interval'));
    if (!$interval) {
        $interval = get_config('system', 'delivery_interval') === false ? 3 : intval(get_config('system', 'delivery_interval'));
    }
    // Check for a lockfile.  If it exists, but is over an hour old, it's stale.  Ignore it.
    $lockfile = 'store/[data]/poller';
    if (file_exists($lockfile) && filemtime($lockfile) > time() - 3600 && !get_config('system', 'override_poll_lockfile')) {
        logger("poller: Already running");
        return;
    }
    // Create a lockfile.  Needs two vars, but $x doesn't need to contain anything.
    file_put_contents($lockfile, $x);
    logger('poller: start');
    // run queue delivery process in the background
    proc_run('php', "include/queue.php");
    // maintenance for mod sharedwithme - check for updated items and remove them
    require_once 'include/sharedwithme.php';
    apply_updates();
    // expire any expired mail
    q("delete from mail where expires != '%s' and expires < %s ", dbesc(NULL_DATE), db_utcnow());
    // expire any expired items
    $r = q("select id from item where expires != '%s' and expires < %s \n\t\tand item_deleted = 0 ", dbesc(NULL_DATE), db_utcnow());
    if ($r) {
        require_once 'include/items.php';
        foreach ($r as $rr) {
            drop_item($rr['id'], false);
        }
    }
    // Ensure that every channel pings a directory server once a month. This way we can discover
    // channels and sites that quietly vanished and prevent the directory from accumulating stale
    // or dead entries.
    $r = q("select channel_id from channel where channel_dirdate < %s - INTERVAL %s", db_utcnow(), db_quoteinterval('30 DAY'));
    if ($r) {
        foreach ($r as $rr) {
            proc_run('php', 'include/directory.php', $rr['channel_id'], 'force');
            if ($interval) {
                @time_sleep_until(microtime(true) + (double) $interval);
            }
        }
    }
    // publish any applicable items that were set to be published in the future
    // (time travel posts). Restrict to items that have come of age in the last
    // couple of days to limit the query to something reasonable.
    $r = q("select id from item where item_delayed = 1 and created <= %s  and created > '%s' ", db_utcnow(), dbesc(datetime_convert('UTC', 'UTC', 'now - 2 days')));
    if ($r) {
        foreach ($r as $rr) {
            $x = q("update item set item_delayed = 0 where id = %d", intval($rr['id']));
            if ($x) {
                proc_run('php', 'include/notifier.php', 'wall-new', $rr['id']);
            }
        }
    }
    $abandon_days = intval(get_config('system', 'account_abandon_days'));
    if ($abandon_days < 1) {
        $abandon_days = 0;
    }
    // once daily run birthday_updates and then expire in background
    // FIXME: add birthday updates, both locally and for xprof for use
    // by directory servers
    $d1 = intval(get_config('system', 'last_expire_day'));
    $d2 = intval(datetime_convert('UTC', 'UTC', 'now', 'd'));
    // Allow somebody to staggger daily activities if they have more than one site on their server,
    // or if it happens at an inconvenient (busy) hour.
    $h1 = intval(get_config('system', 'cron_hour'));
    $h2 = intval(datetime_convert('UTC', 'UTC', 'now', 'G'));
    $dirmode = get_config('system', 'directory_mode');
    /**
     * Cron Daily
     *
     * Actions in the following block are executed once per day, not on every poller run
     *
     */
    if ($d2 != $d1 && $h1 == $h2) {
        require_once 'include/dir_fns.php';
        check_upstream_directory();
        call_hooks('cron_daily', datetime_convert());
        $d3 = intval(datetime_convert('UTC', 'UTC', 'now', 'N'));
        if ($d3 == 7) {
            /**
             * Cron Weekly
             * 
             * Actions in the following block are executed once per day only on Sunday (once per week).
             *
             */
            call_hooks('cron_weekly', datetime_convert());
//.........这里部分代码省略.........

function contact_remove($channel_id, $abook_id)
{
    if (!$channel_id || !$abook_id) {
        return false;
    }
    $archive = get_pconfig($channel_id, 'system', 'archive_removed_contacts');
    if ($archive) {
        q("update abook set abook_flags = ( abook_flags | %d ) where abook_id = %d and abook_channel = %d limit 1", intval(ABOOK_FLAG_ARCHIVED), intval($abook_id), intval($channel_id));
        return true;
    }
    $r = q("select * from abook where abook_id = %d and abook_channel = %d limit 1", intval($abook_id), intval($channel_id));
    if (!$r) {
        return false;
    }
    $abook = $r[0];
    if ($abook['abook_flags'] & ABOOK_FLAG_SELF) {
        return false;
    }
    $r = q("select * from item where author_xchan = '%s' and uid = %d", dbesc($abook['abook_xchan']), intval($channel_id));
    if ($r) {
        foreach ($r as $rr) {
            drop_item($rr['id'], false);
        }
    }
    q("delete from abook where abook_id = %d and abook_channel = %d limit 1", intval($abook['abook_id']), intval($channel_id));
    $r = q("delete from event where event_xchan = '%s' and uid = %d", dbesc($abook['abook_xchan']), intval($channel_id));
    $r = q("delete from group_member where xchan = '%s' and uid = %d", dbesc($abook['abook_xchan']), intval($channel_id));
    $r = q("delete from mail where ( from_xchan = '%s' or to_xchan = '%s' ) and channel_id = %d ", dbesc($abook['abook_xchan']), dbesc($abook['abook_xchan']), intval($channel_id));
    return true;
}

    case 'a':
    case 'x':
        $_GET['type'] = 4;
        break;
    default:
        $_GET['type'] = 5;
        break;
}
$lim = '';
if (!isset($_GET['all'])) {
    $lim = 'LIMIT 1';
}
$q = do_mysql("SELECT fullname FROM items WHERE belongs = '" . $LOGIN . "' AND is_in = 'inv' AND realname = '" . $rn . "' " . $lim . ";");
while ($i = mysql_fetch_assoc($q)) {
    $item = $i['fullname'];
    drop_item($item, $LOGIN);
    // esli prodolzhaetsja znachit vzjali
    // nado zanesti v spisok ozhidanija veshej na pojavlenie
    $rfn = $rn;
    if (array_key_exists($rfn, $items)) {
        // $items podkljuchen v faile s_loadmaps.php
        // znachit nado udalitq avto obnovu
        $act = do_mysql("SELECT actions FROM maps WHERE map = '" . $pl_map . "';");
        $act = mysql_result($act, 0);
        //echo '$act = '.$act.'<br/>';
        if (strpos($act, '~') === false && strpos($act, $rfn) > 0) {
            $act = '';
        } else {
            $act = explode('~', $act);
            $cou = count($act);
            for ($i = 0; $i < $cou; $i++) {

function photos_post(&$a)
{
    logger('mod-photos: photos_post: begin', LOGGER_DEBUG);
    logger('mod_photos: REQUEST ' . print_r($_REQUEST, true), LOGGER_DATA);
    logger('mod_photos: FILES ' . print_r($_FILES, true), LOGGER_DATA);
    $ph = photo_factory('');
    $phototypes = $ph->supportedTypes();
    $can_post = false;
    $page_owner_uid = $a->data['channel']['channel_id'];
    if (perm_is_allowed($page_owner_uid, get_observer_hash(), 'write_storage')) {
        $can_post = true;
    }
    if (!$can_post) {
        notice(t('Permission denied.') . EOL);
        if (is_ajax()) {
            killme();
        }
        return;
    }
    $s = abook_self($page_owner_uid);
    if (!$s) {
        notice(t('Page owner information could not be retrieved.') . EOL);
        logger('mod_photos: post: unable to locate contact record for page owner. uid=' . $page_owner_uid);
        if (is_ajax()) {
            killme();
        }
        return;
    }
    $owner_record = $s[0];
    $acl = new AccessList($a->data['channel']);
    if (argc() > 3 && argv(2) === 'album') {
        $album = hex2bin(argv(3));
        if ($album === t('Profile Photos')) {
            // not allowed
            goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
        }
        if (!photos_album_exists($page_owner_uid, $album)) {
            notice(t('Album not found.') . EOL);
            goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
        }
        /*
         * RENAME photo album
         */
        $newalbum = notags(trim($_REQUEST['albumname']));
        if ($newalbum != $album) {
            // @fixme - syncronise with DAV or disallow completely
            goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
            //			$x = photos_album_rename($page_owner_uid,$album,$newalbum);
            //			if($x) {
            //				$newurl = str_replace(bin2hex($album),bin2hex($newalbum),$_SESSION['photo_return']);
            //				goaway($a->get_baseurl() . '/' . $newurl);
            //			}
        }
        /*
         * DELETE photo album and all its photos
         */
        if ($_REQUEST['dropalbum'] == t('Delete Album')) {
            $res = array();
            // get the list of photos we are about to delete
            if (remote_channel() && !local_channel()) {
                $str = photos_album_get_db_idstr($page_owner_uid, $album, remote_channel());
            } elseif (local_channel()) {
                $str = photos_album_get_db_idstr(local_channel(), $album);
            } else {
                $str = null;
            }
            if (!$str) {
                goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
            }
            $r = q("select id from item where resource_id in ( {$str} ) and resource_type = 'photo' and uid = %d " . item_normal(), intval($page_owner_uid));
            if ($r) {
                foreach ($r as $i) {
                    attach_delete($page_owner_uid, $i['resource_id'], 1);
                    drop_item($i['id'], false, DROPITEM_PHASE1, true);
                    proc_run('php', 'include/notifier.php', 'drop', $i['id']);
                }
            }
            // remove the associated photos in case they weren't attached to an item
            q("delete from photo where resource_id in ( {$str} ) and uid = %d", intval($page_owner_uid));
            // @FIXME do the same for the linked attach
        }
        goaway($a->get_baseurl() . '/photos/' . $a->data['channel']['channel_address']);
    }
    if (argc() > 2 && x($_REQUEST, 'delete') && $_REQUEST['delete'] === t('Delete Photo')) {
        // same as above but remove single photo
        $ob_hash = get_observer_hash();
        if (!$ob_hash) {
            goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
        }
        $r = q("SELECT `id`, `resource_id` FROM `photo` WHERE ( xchan = '%s' or `uid` = %d ) AND `resource_id` = '%s' LIMIT 1", dbesc($ob_hash), intval(local_channel()), dbesc($a->argv[2]));
        if ($r) {
            q("DELETE FROM `photo` WHERE `uid` = %d AND `resource_id` = '%s'", intval($page_owner_uid), dbesc($r[0]['resource_id']));
            attach_delete($page_owner_uid, $r[0]['resource_id'], 1);
            $i = q("SELECT * FROM `item` WHERE `resource_id` = '%s' AND resource_type = 'photo' and `uid` = %d LIMIT 1", dbesc($r[0]['resource_id']), intval($page_owner_uid));
            if (count($i)) {
                drop_item($i[0]['id'], true, DROPITEM_PHASE1);
                $url = $a->get_baseurl();
            }
        }
        goaway($a->get_baseurl() . '/photos/' . $a->data['channel']['channel_address'] . '/album/' . $_SESSION['album_return']);
//.........这里部分代码省略.........