diff options
Diffstat (limited to 'Zotlabs/Lib/Libzotdir.php')
| -rw-r--r-- | Zotlabs/Lib/Libzotdir.php | 654 |
1 files changed, 654 insertions, 0 deletions
diff --git a/Zotlabs/Lib/Libzotdir.php b/Zotlabs/Lib/Libzotdir.php new file mode 100644 index 000000000..91d089c86 --- /dev/null +++ b/Zotlabs/Lib/Libzotdir.php @@ -0,0 +1,654 @@ +<?php + +namespace Zotlabs\Lib; + +use Zotlabs\Lib\Libzot; + +require_once('include/permissions.php'); + + +class Libzotdir { + + /** + * @brief + * + * @param int $dirmode + * @return array + */ + + static function find_upstream_directory($dirmode) { + global $DIRECTORY_FALLBACK_SERVERS; + + $preferred = get_config('system','directory_server'); + + // Thwart attempts to use a private directory + + if(($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. + */ + + $dirmode = intval(get_config('system','directory_mode')); + if ($dirmode == DIRECTORY_MODE_NORMAL) { + $toss = mt_rand(0,count($DIRECTORY_FALLBACK_SERVERS)); + $preferred = $DIRECTORY_FALLBACK_SERVERS[$toss]; + if(! $preferred) { + $preferred = DIRECTORY_FALLBACK_MASTER; + } + set_config('system','directory_server',$preferred); + } + else { + set_config('system','directory_server',z_root()); + } + } + if($preferred) { + return [ 'url' => $preferred ]; + } + else { + return []; + } + } + + + /** + * 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 + */ + + static 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 (! $isadir) + set_config('system', 'directory_server', ''); + } + + + static function get_directory_setting($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) + $ret = 1; + + if($setting === 'globaldir' && intval(get_config('system','localdir_hide'))) + $ret = 1; + + return $ret; + } + + /** + * @brief Called by the directory_sort widget. + */ + static function dir_sort_links() { + + $safe_mode = 1; + + $observer = get_observer_hash(); + + $safe_mode = self::get_directory_setting($observer, 'safemode'); + $globaldir = self::get_directory_setting($observer, 'globaldir'); + $pubforums = self::get_directory_setting($observer, 'pubforums'); + + $hide_local = intval(get_config('system','localdir_hide')); + if($hide_local) + $globaldir = 1; + + + // 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; + + $o = replace_macros(get_markup_template('dir_sort_links.tpl'), [ + '$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="' . $forumsurl . '&pubforums="+(this.checked ? 1 : 0)\''), + '$hide_local' => $hide_local, + '$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 $dirmode; + */ + + static function sync_directories($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, + ] + ); + + $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']) + ); + } + } + } + } + + + + /** + * @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 $ud Entry from update table + */ + + static function update_directory_entry($ud) { + + logger('update_directory_entry: ' . print_r($ud,true), LOGGER_DATA); + + if ($ud['ud_addr'] && (! ($ud['ud_flags'] & UPDATE_FLAGS_DELETED))) { + $success = false; + + $href = \Zotlabs\Lib\Webfinger::zot_url(punify($url)); + if($href) { + $zf = \Zotlabs\Lib\Zotfinger::exec($href); + } + if(is_array($zf) && array_path_exists('signature/signer',$zf) && $zf['signature']['signer'] === $href && intval($zf['signature']['header_valid'])) { + $xc = Libzot::import_xchan($zf['data'], 0, $ud); + } + else { + q("update updates set ud_last = '%s' where ud_addr = '%s'", + dbesc(datetime_convert()), + dbesc($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 $force + */ + + static function local_dir_update($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 = [ 'channel_id' => $uid, 'hash' => $hash, 'profile' => $profile ]; + call_hooks('local_dir_update', $arr); + + $address = channel_reddress($p[0]); + + if (perm_is_allowed($uid, '', 'view_profile')) { + self::import_directory_profile($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) + ); + } + + } + + $ud_hash = random_string() . '@' . \App::get_hostname(); + self::update_modtime($hash, $ud_hash, channel_reddress($p[0]),(($force) ? UPDATE_FLAGS_FORCED : UPDATE_FLAGS_UPDATED)); + } + + + + /** + * @brief Imports a directory profile. + * + * @param string $hash + * @param array $profile + * @param string $addr + * @param number $ud_flags (optional) UPDATE_FLAGS_UPDATED + * @param number $suppress_update (optional) default 0 + * @return boolean $updated if something changed + */ + + static function import_directory_profile($hash, $profile, $addr, $ud_flags = UPDATE_FLAGS_UPDATED, $suppress_update = 0) { + + logger('import_directory_profile', LOGGER_DEBUG); + if (! $hash) + return false; + + $arr = array(); + + $arr['xprof_hash'] = $hash; + $arr['xprof_dob'] = (($profile['birthday'] === '0000-00-00') ? $profile['birthday'] : datetime_convert('','',$profile['birthday'],'Y-m-d')); // !!!! check this for 0000 year + $arr['xprof_age'] = (($profile['age']) ? intval($profile['age']) : 0); + $arr['xprof_desc'] = (($profile['description']) ? htmlspecialchars($profile['description'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_gender'] = (($profile['gender']) ? htmlspecialchars($profile['gender'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_marital'] = (($profile['marital']) ? htmlspecialchars($profile['marital'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_sexual'] = (($profile['sexual']) ? htmlspecialchars($profile['sexual'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_locale'] = (($profile['locale']) ? htmlspecialchars($profile['locale'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_region'] = (($profile['region']) ? htmlspecialchars($profile['region'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_postcode'] = (($profile['postcode']) ? htmlspecialchars($profile['postcode'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_country'] = (($profile['country']) ? htmlspecialchars($profile['country'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_about'] = (($profile['about']) ? htmlspecialchars($profile['about'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_homepage'] = (($profile['homepage']) ? htmlspecialchars($profile['homepage'], ENT_COMPAT,'UTF-8',false) : ''); + $arr['xprof_hometown'] = (($profile['hometown']) ? htmlspecialchars($profile['hometown'], ENT_COMPAT,'UTF-8',false) : ''); + + $clean = array(); + if (array_key_exists('keywords', $profile) and is_array($profile['keywords'])) { + self::import_directory_keywords($hash,$profile['keywords']); + foreach ($profile['keywords'] as $kw) { + $kw = trim(htmlspecialchars($kw,ENT_COMPAT, 'UTF-8', false)); + $kw = trim($kw, ','); + $clean[] = $kw; + } + } + + $arr['xprof_keywords'] = implode(' ',$clean); + + // Self censored, make it so + // These are not translated, so the German "erwachsenen" keyword will not censor the directory profile. Only the English form - "adult". + + + if(in_arrayi('nsfw',$clean) || in_arrayi('adult',$clean)) { + q("update xchan set xchan_selfcensored = 1 where xchan_hash = '%s'", + dbesc($hash) + ); + } + + $r = q("select * from xprof where xprof_hash = '%s' limit 1", + dbesc($hash) + ); + + if ($arr['xprof_age'] > 150) + $arr['xprof_age'] = 150; + if ($arr['xprof_age'] < 0) + $arr['xprof_age'] = 0; + + if ($r) { + $update = false; + foreach ($r[0] as $k => $v) { + if ((array_key_exists($k,$arr)) && ($arr[$k] != $v)) { + logger('import_directory_profile: update ' . $k . ' => ' . $arr[$k]); + $update = true; + break; + } + } + if ($update) { + q("update xprof set + xprof_desc = '%s', + xprof_dob = '%s', + xprof_age = %d, + xprof_gender = '%s', + xprof_marital = '%s', + xprof_sexual = '%s', + xprof_locale = '%s', + xprof_region = '%s', + xprof_postcode = '%s', + xprof_country = '%s', + xprof_about = '%s', + xprof_homepage = '%s', + xprof_hometown = '%s', + xprof_keywords = '%s' + where xprof_hash = '%s'", + dbesc($arr['xprof_desc']), + dbesc($arr['xprof_dob']), + intval($arr['xprof_age']), + dbesc($arr['xprof_gender']), + dbesc($arr['xprof_marital']), + dbesc($arr['xprof_sexual']), + dbesc($arr['xprof_locale']), + dbesc($arr['xprof_region']), + dbesc($arr['xprof_postcode']), + dbesc($arr['xprof_country']), + dbesc($arr['xprof_about']), + dbesc($arr['xprof_homepage']), + dbesc($arr['xprof_hometown']), + dbesc($arr['xprof_keywords']), + dbesc($arr['xprof_hash']) + ); + } + } else { + $update = true; + logger('New profile'); + q("insert into xprof (xprof_hash, xprof_desc, xprof_dob, xprof_age, xprof_gender, xprof_marital, xprof_sexual, xprof_locale, xprof_region, xprof_postcode, xprof_country, xprof_about, xprof_homepage, xprof_hometown, xprof_keywords) values ('%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ", + dbesc($arr['xprof_hash']), + dbesc($arr['xprof_desc']), + dbesc($arr['xprof_dob']), + intval($arr['xprof_age']), + dbesc($arr['xprof_gender']), + dbesc($arr['xprof_marital']), + dbesc($arr['xprof_sexual']), + dbesc($arr['xprof_locale']), + dbesc($arr['xprof_region']), + dbesc($arr['xprof_postcode']), + dbesc($arr['xprof_country']), + dbesc($arr['xprof_about']), + dbesc($arr['xprof_homepage']), + dbesc($arr['xprof_hometown']), + dbesc($arr['xprof_keywords']) + ); + } + + $d = [ + 'xprof' => $arr, + 'profile' => $profile, + 'update' => $update + ]; + /** + * @hooks import_directory_profile + * Called when processing delivery of a profile structure from an external source (usually for directory storage). + * * \e array \b xprof + * * \e array \b profile + * * \e boolean \b update + */ + call_hooks('import_directory_profile', $d); + + if (($d['update']) && (! $suppress_update)) + self::update_modtime($arr['xprof_hash'],random_string() . '@' . \App::get_hostname(), $addr, $ud_flags); + + return $d['update']; + } + + /** + * @brief + * + * @param string $hash An xtag_hash + * @param array $keywords + */ + + static function import_directory_keywords($hash, $keywords) { + + $existing = array(); + $r = q("select * from xtag where xtag_hash = '%s' and xtag_flags = 0", + dbesc($hash) + ); + + if($r) { + foreach($r as $rr) + $existing[] = $rr['xtag_term']; + } + + $clean = array(); + foreach($keywords as $kw) { + $kw = trim(htmlspecialchars($kw,ENT_COMPAT, 'UTF-8', false)); + $kw = trim($kw, ','); + $clean[] = $kw; + } + + foreach($existing as $x) { + if(! in_array($x, $clean)) + $r = q("delete from xtag where xtag_hash = '%s' and xtag_term = '%s' and xtag_flags = 0", + dbesc($hash), + dbesc($x) + ); + } + foreach($clean as $x) { + if(! in_array($x, $existing)) { + $r = q("insert into xtag ( xtag_hash, xtag_term, xtag_flags) values ( '%s' ,'%s', 0 )", + dbesc($hash), + dbesc($x) + ); + } + } + } + + + /** + * @brief + * + * @param string $hash + * @param string $guid + * @param string $addr + * @param int $flags (optional) default 0 + */ + + static function update_modtime($hash, $guid, $addr, $flags = 0) { + + $dirmode = intval(get_config('system', 'directory_mode')); + + if($dirmode == DIRECTORY_MODE_NORMAL) + return; + + if($flags) { + q("insert into updates (ud_hash, ud_guid, ud_date, ud_flags, ud_addr ) values ( '%s', '%s', '%s', %d, '%s' )", + dbesc($hash), + dbesc($guid), + dbesc(datetime_convert()), + intval($flags), + dbesc($addr) + ); + } + else { + q("update updates set ud_flags = ( ud_flags | %d ) where ud_addr = '%s' and not (ud_flags & %d)>0 ", + intval(UPDATE_FLAGS_UPDATED), + dbesc($addr), + intval(UPDATE_FLAGS_UPDATED) + ); + } + } + + + + + + +}
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