diff options
Diffstat (limited to 'include/dir_fns.php')
| -rw-r--r-- | include/dir_fns.php | 460 |
1 files changed, 0 insertions, 460 deletions
diff --git a/include/dir_fns.php b/include/dir_fns.php deleted file mode 100644 index 8326415ed..000000000 --- a/include/dir_fns.php +++ /dev/null @@ -1,460 +0,0 @@ -<?php -/** - * @file include/dir_fns.php - */ - -use Zotlabs\Lib\Crypto; -use Zotlabs\Lib\Libzot; -use Zotlabs\Lib\Webfinger; -use Zotlabs\Lib\Zotfinger; - -require_once('include/permissions.php'); - -/** - * @brief - * - * @param int $dirmode - * @return array - */ -function find_upstream_directory($dirmode) { - - $preferred = get_config('system','directory_server'); - - // Thwart attempts to use a private directory - - if(($preferred) && ($preferred != z_root())) { - $r = q("select * from site where site_url = '%s' limit 1", - dbesc($preferred) - ); - if(($r) && ($r[0]['site_flags'] & DIRECTORY_MODE_STANDALONE)) { - $preferred = ''; - } - } - - - if (! $preferred) { - - /* - * No directory has yet been set. For most sites, pick one at random - * from our list of directory servers. However, if we're a directory - * server ourself, point at the local instance - * We will then set this value so this should only ever happen once. - * Ideally there will be an admin setting to change to a different - * directory server if you don't like our choice or if circumstances change. - */ - - $directory_fallback_servers = get_directory_fallback_servers(); - - $dirmode = intval(get_config('system','directory_mode')); - if ($dirmode == DIRECTORY_MODE_NORMAL) { - $toss = mt_rand(0,count($directory_fallback_servers)); - $preferred = $directory_fallback_servers[$toss]; - set_config('system','directory_server',$preferred); - } else{ - set_config('system','directory_server',z_root()); - } - } - - return array('url' => $preferred); -} - -/** - * Directories may come and go over time. We will need to check that our - * directory server is still valid occasionally, and reset to something that - * is if our directory has gone offline for any reason - */ -function check_upstream_directory() { - - $directory = get_config('system', 'directory_server'); - - // it's possible there is no directory server configured and the local hub is being used. - // If so, default to preserving the absence of a specific server setting. - - $isadir = true; - - if ($directory) { - $j = Zotfinger::exec($directory); - if (array_path_exists('data/directory_mode',$j)) { - if ($j['data']['directory_mode'] === 'normal') { - $isadir = false; - } - } - } - - if (! $isadir) - set_config('system', 'directory_server', ''); -} - -function get_directory_setting($observer, $setting) { - - if ($observer) - $ret = get_xconfig($observer, 'directory', $setting); - else - $ret = ((array_key_exists($setting,$_SESSION)) ? intval($_SESSION[$setting]) : false); - - if($ret === false) - $ret = get_config('directory', $setting); - - - // 'safemode' is the default if there is no observer or no established preference. - - if($setting == 'safemode' && $ret === false) - $ret = 1; - - return $ret; -} - -/** - * @brief Called by the directory_sort widget. - */ -function dir_sort_links() { - - $safe_mode = 1; - - $observer = get_observer_hash(); - - $safe_mode = get_directory_setting($observer, 'safemode'); - $globaldir = get_directory_setting($observer, 'globaldir'); - $pubforums = get_directory_setting($observer, 'pubforums'); - - // Build urls without order and pubforums so it's easy to tack on the changed value - // Probably there's an easier way to do this - - $directory_sort_order = get_config('system','directory_sort_order'); - if(! $directory_sort_order) - $directory_sort_order = 'date'; - - $current_order = (($_REQUEST['order']) ? $_REQUEST['order'] : $directory_sort_order); - $suggest = (($_REQUEST['suggest']) ? '&suggest=' . $_REQUEST['suggest'] : ''); - - $url = 'directory?f='; - - $tmp = array_merge($_GET,$_POST); - unset($tmp['suggest']); - unset($tmp['pubforums']); - unset($tmp['global']); - unset($tmp['safe']); - unset($tmp['q']); - unset($tmp['f']); - $forumsurl = $url . http_build_query($tmp) . $suggest; - - $o = replace_macros(get_markup_template('dir_sort_links.tpl'), array( - '$header' => t('Directory Options'), - '$forumsurl' => $forumsurl, - '$safemode' => array('safemode', t('Safe Mode'),$safe_mode,'',array(t('No'), t('Yes')),' onchange=\'window.location.href="' . $forumsurl . '&safe="+(this.checked ? 1 : 0)\''), - '$pubforums' => array('pubforums', t('Public Forums Only'),$pubforums,'',array(t('No'), t('Yes')),' onchange=\'window.location.href="' . $forumsurl . '&pubforums="+(this.checked ? 1 : 0)\''), - '$globaldir' => array('globaldir', t('This Website Only'), 1-intval($globaldir),'',array(t('No'), t('Yes')),' onchange=\'window.location.href="' . $forumsurl . '&global="+(this.checked ? 0 : 1)\''), - )); - - return $o; -} - -/** - * @brief Checks the directory mode of this hub. - * - * Checks the directory mode of this hub to see if it is some form of directory server. If it is, - * get the directory realm of this hub. Fetch a list of all other directory servers in this realm and request - * a directory sync packet. This will contain both directory updates and new ratings. Store these all in the DB. - * In the case of updates, we will query each of them asynchronously from a poller task. Ratings are stored - * directly if the rater's signature matches. - * - * @param int $dirmode; - */ -function sync_directories($dirmode) { - - if ($dirmode == DIRECTORY_MODE_STANDALONE || $dirmode == DIRECTORY_MODE_NORMAL) - return; - - $realm = get_directory_realm(); - if ($realm == DIRECTORY_REALM) { - $r = q("select * from site where (site_flags & %d) > 0 and site_url != '%s' and site_type = %d and ( site_realm = '%s' or site_realm = '') ", - intval(DIRECTORY_MODE_PRIMARY|DIRECTORY_MODE_SECONDARY), - dbesc(z_root()), - intval(SITE_TYPE_ZOT), - dbesc($realm) - ); - } else { - $r = q("select * from site where (site_flags & %d) > 0 and site_url != '%s' and site_realm like '%s' and site_type = %d ", - intval(DIRECTORY_MODE_PRIMARY|DIRECTORY_MODE_SECONDARY), - dbesc(z_root()), - dbesc(protect_sprintf('%' . $realm . '%')), - intval(SITE_TYPE_ZOT) - ); - } - - // If there are no directory servers, setup the fallback master - /** @FIXME What to do if we're in a different realm? */ - - if ((! $r) && (z_root() != DIRECTORY_FALLBACK_MASTER)) { - - $x = site_store_lowlevel( - [ - 'site_url' => DIRECTORY_FALLBACK_MASTER, - 'site_flags' => DIRECTORY_MODE_PRIMARY, - 'site_update' => NULL_DATE, - 'site_directory' => DIRECTORY_FALLBACK_MASTER . '/dirsearch', - 'site_realm' => DIRECTORY_REALM, - 'site_valid' => 1, - 'site_crypto' => 'aes256cbc' - ] - ); - - $r = q("select * from site where site_flags in (%d, %d) and site_url != '%s' and site_type = %d ", - intval(DIRECTORY_MODE_PRIMARY), - intval(DIRECTORY_MODE_SECONDARY), - dbesc(z_root()), - intval(SITE_TYPE_ZOT) - ); - } - if (! $r) - return; - - foreach ($r as $rr) { - if (! $rr['site_directory']) - continue; - - logger('sync directories: ' . $rr['site_directory']); - - // for brand new directory servers, only load the last couple of days. - // It will take about a month for a new directory to obtain the full current repertoire of channels. - /** @FIXME Go back and pick up earlier ratings if this is a new directory server. These do not get refreshed. */ - - $token = get_config('system','realm_token'); - - $syncdate = (($rr['site_sync'] <= NULL_DATE) ? datetime_convert('UTC','UTC','now - 2 days') : $rr['site_sync']); - $x = z_fetch_url($rr['site_directory'] . '?f=&sync=' . urlencode($syncdate) . (($token) ? '&t=' . $token : '')); - - if (! $x['success']) - continue; - - $j = json_decode($x['body'],true); - if (!($j['transactions']) || ($j['ratings'])) - continue; - - q("update site set site_sync = '%s' where site_url = '%s'", - dbesc(datetime_convert()), - dbesc($rr['site_url']) - ); - - logger('sync_directories: ' . $rr['site_url'] . ': ' . print_r($j,true), LOGGER_DATA); - - if (is_array($j['transactions']) && count($j['transactions'])) { - foreach ($j['transactions'] as $t) { - $r = q("select * from updates where ud_guid = '%s' limit 1", - dbesc($t['transaction_id']) - ); - if($r) - continue; - - $ud_flags = 0; - if (is_array($t['flags']) && in_array('deleted',$t['flags'])) - $ud_flags |= UPDATE_FLAGS_DELETED; - if (is_array($t['flags']) && in_array('forced',$t['flags'])) - $ud_flags |= UPDATE_FLAGS_FORCED; - - $z = q("insert into updates ( ud_hash, ud_guid, ud_date, ud_flags, ud_addr ) - values ( '%s', '%s', '%s', %d, '%s' ) ", - dbesc($t['hash']), - dbesc($t['transaction_id']), - dbesc($t['timestamp']), - intval($ud_flags), - dbesc($t['address']) - ); - } - } - if (is_array($j['ratings']) && count($j['ratings'])) { - foreach ($j['ratings'] as $rr) { - $x = q("select * from xlink where xlink_xchan = '%s' and xlink_link = '%s' and xlink_static = 1", - dbesc($rr['channel']), - dbesc($rr['target']) - ); - if ($x && $x[0]['xlink_updated'] >= $rr['edited']) - continue; - - // Ratings are signed by the rater. We need to verify before we can accept it. - /** @TODO Queue or defer if the xchan is not yet present on our site */ - - $y = q("select xchan_pubkey from xchan where xchan_hash = '%s' limit 1", - dbesc($rr['channel']) - ); - if (! $y) { - logger('key unavailable on this site for ' . $rr['channel']); - continue; - } - if (! Crypto::verify($rr['target'] . '.' . $rr['rating'] . '.' . $rr['rating_text'], base64url_decode($rr['signature']),$y[0]['xchan_pubkey'])) { - logger('failed to verify rating'); - continue; - } - - if ($x) { - $z = q("update xlink set xlink_rating = %d, xlink_rating_text = '%s', xlink_sig = '%s', xlink_updated = '%s' where xlink_id = %d", - intval($rr['rating']), - dbesc($rr['rating_text']), - dbesc($rr['signature']), - dbesc(datetime_convert()), - intval($x[0]['xlink_id']) - ); - logger('rating updated'); - } else { - $z = q("insert into xlink ( xlink_xchan, xlink_link, xlink_rating, xlink_rating_text, xlink_sig, xlink_updated, xlink_static ) values( '%s', '%s', %d, '%s', '%s', '%s', 1 ) ", - dbesc($rr['channel']), - dbesc($rr['target']), - intval($rr['rating']), - dbesc($rr['rating_text']), - dbesc($rr['signature']), - dbesc(datetime_convert()) - ); - logger('rating created'); - } - } - } - } -} - - -/** - * @brief - * - * Given an update record, probe the channel, grab a zot-info packet and refresh/sync the data. - * - * Ignore updating records marked as deleted. - * - * If successful, sets ud_last in the DB to the current datetime for this - * reddress/webbie. - * - * @param array $ud Entry from update table - */ -function update_directory_entry($ud) { - - logger('update_directory_entry: ' . print_r($ud,true), LOGGER_DATA); - - if ($ud['ud_addr'] && (! ($ud['ud_flags'] & UPDATE_FLAGS_DELETED))) { - $success = false; - - // directory migration phase 1 (Macgirvin - 29-JUNE-2019) - // fetch zot6 info (if available) as well as historical zot info (if available) - // Once this has been running for > 1 month on the primary directory we can deprecate the historical info and - // modify the directory search to only return zot6 entries, and also modify this function - // to *only* fetch the zot6 entries. - // Otherwise we'll be showing duplicates or have a mostly empty directory for a good chunk of - // the transition period. Directory server load will likely increase "moderately" during this transition. - // The one month counter begins when the primary directory has upgraded to a release which uses this code. - // Hubzilla channels running traditional zot which have not upgraded can or will be dropped from the directory or - // "not found" at the end of the transition period as the directory will only serve zot6 entries at that time. - - $uri = Webfinger::zot_url($ud['ud_addr']); - if($uri) { - $record = Zotfinger::exec($uri); - - // Check the HTTP signature - - $hsig = $record['signature']; - if($hsig && $hsig['signer'] === $uri && $hsig['header_valid'] === true && $hsig['content_valid'] === true) { - $x = Libzot::import_xchan($record['data'], 0, $ud); - if($x['success']) { - $success = true; - } - } - } - $x = \Zotlabs\Zot\Finger::run($ud['ud_addr'], ''); - if ($x['success']) { - import_xchan($x, 0, $ud); - $success = true; - } - if (! $success) { - q("update updates set ud_last = '%s' where ud_addr = '%s'", - dbesc(datetime_convert()), - dbesc($ud['ud_addr']) - ); - } - } -} - - -/** - * @brief Push local channel updates to a local directory server. - * - * This is called from include/directory.php if a profile is to be pushed to the - * directory and the local hub in this case is any kind of directory server. - * - * @param int $uid - * @param boolean $force - */ -function local_dir_update($uid, $force) { - - logger('local_dir_update: uid: ' . $uid, LOGGER_DEBUG); - - $p = q("select channel.channel_hash, channel_address, channel_timezone, profile.* from profile left join channel on channel_id = uid where uid = %d and is_default = 1", - intval($uid) - ); - - $profile = array(); - $profile['encoding'] = 'zot'; - - if ($p) { - $hash = $p[0]['channel_hash']; - - $profile['description'] = $p[0]['pdesc']; - $profile['birthday'] = $p[0]['dob']; - if ($age = age($p[0]['dob'],$p[0]['channel_timezone'],'')) - $profile['age'] = $age; - - $profile['gender'] = $p[0]['gender']; - $profile['marital'] = $p[0]['marital']; - $profile['sexual'] = $p[0]['sexual']; - $profile['locale'] = $p[0]['locality']; - $profile['region'] = $p[0]['region']; - $profile['postcode'] = $p[0]['postal_code']; - $profile['country'] = $p[0]['country_name']; - $profile['about'] = $p[0]['about']; - $profile['homepage'] = $p[0]['homepage']; - $profile['hometown'] = $p[0]['hometown']; - - if ($p[0]['keywords']) { - $tags = array(); - $k = explode(' ', $p[0]['keywords']); - if ($k) - foreach ($k as $kk) - if (trim($kk)) - $tags[] = trim($kk); - - if ($tags) - $profile['keywords'] = $tags; - } - - $hidden = (1 - intval($p[0]['publish'])); - - logger('hidden: ' . $hidden); - - $r = q("select xchan_hidden from xchan where xchan_hash = '%s' limit 1", - dbesc($p[0]['channel_hash']) - ); - - if(intval($r[0]['xchan_hidden']) != $hidden) { - $r = q("update xchan set xchan_hidden = %d where xchan_hash = '%s'", - intval($hidden), - dbesc($p[0]['channel_hash']) - ); - } - - $arr = array('channel_id' => $uid, 'hash' => $hash, 'profile' => $profile); - call_hooks('local_dir_update', $arr); - - $address = channel_reddress($p[0]); - - if (perm_is_allowed($uid, '', 'view_profile')) { - import_directory_profile($hash, $arr['profile'], $address, 0); - } else { - // they may have made it private - $r = q("delete from xprof where xprof_hash = '%s'", - dbesc($hash) - ); - $r = q("delete from xtag where xtag_hash = '%s'", - dbesc($hash) - ); - } - } - - $ud_hash = random_string() . '@' . App::get_hostname(); - update_modtime($hash, $ud_hash, channel_reddress($p[0]),(($force) ? UPDATE_FLAGS_FORCED : UPDATE_FLAGS_UPDATED)); -} |