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-rw-r--r--include/connections.php614
1 files changed, 614 insertions, 0 deletions
diff --git a/include/connections.php b/include/connections.php
new file mode 100644
index 000000000..2d10b8354
--- /dev/null
+++ b/include/connections.php
@@ -0,0 +1,614 @@
+<?php /** @file */
+
+
+
+function rconnect_url($channel_id,$xchan) {
+
+ if(! $xchan)
+ return '';
+
+ $r = q("select abook_id from abook where abook_channel = %d and abook_xchan = '%s' limit 1",
+ intval($channel_id),
+ dbesc($xchan)
+ );
+
+ if($r)
+ return '';
+
+ $r = q("select * from xchan where xchan_hash = '%s' limit 1",
+ dbesc($xchan)
+ );
+
+ if(($r) && ($r[0]['xchan_follow']))
+ return $r[0]['xchan_follow'];
+
+ $r = q("select hubloc_url from hubloc where hubloc_hash = '%s' and hubloc_primary = 1 limit 1",
+ dbesc($xchan)
+ );
+
+ if($r)
+ return $r[0]['hubloc_url'] . '/follow?f=&url=%s';
+ return '';
+
+}
+
+function abook_connections($channel_id, $sql_conditions = '') {
+ $r = q("select * from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d
+ and abook_self = 0 $sql_conditions",
+ intval($channel_id)
+ );
+ return(($r) ? $r : array());
+}
+
+function abook_self($channel_id) {
+ $r = q("select * from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d
+ and abook_self = 1 limit 1",
+ intval($channel_id)
+ );
+ return(($r) ? $r[0] : array());
+}
+
+
+function vcard_from_xchan($xchan, $observer = null, $mode = '') {
+
+ if(! $xchan) {
+ if(App::$poi) {
+ $xchan = App::$poi;
+ }
+ elseif(is_array(App::$profile) && App::$profile['channel_hash']) {
+ $r = q("select * from xchan where xchan_hash = '%s' limit 1",
+ dbesc(App::$profile['channel_hash'])
+ );
+ if($r)
+ $xchan = $r[0];
+ }
+ }
+
+ if(! $xchan)
+ return;
+
+// FIXME - show connect button to observer if appropriate
+ $connect = false;
+ if(local_channel()) {
+ $r = q("select * from abook where abook_xchan = '%s' and abook_channel = %d limit 1",
+ dbesc($xchan['xchan_hash']),
+ intval(local_channel())
+ );
+ if(! $r)
+ $connect = t('Connect');
+ }
+
+ if(array_key_exists('channel_id',$xchan))
+ App::$profile_uid = $xchan['channel_id'];
+
+ $url = (($observer)
+ ? z_root() . '/magic?f=&dest=' . $xchan['xchan_url'] . '&addr=' . $xchan['xchan_addr']
+ : $xchan['xchan_url']
+ );
+
+ return replace_macros(get_markup_template('xchan_vcard.tpl'),array(
+ '$name' => $xchan['xchan_name'],
+ '$photo' => ((is_array(App::$profile) && array_key_exists('photo',App::$profile)) ? App::$profile['photo'] : $xchan['xchan_photo_l']),
+ '$follow' => $xchan['xchan_addr'],
+ '$link' => zid($xchan['xchan_url']),
+ '$connect' => $connect,
+ '$newwin' => (($mode === 'chanview') ? t('New window') : ''),
+ '$newtit' => t('Open the selected location in a different window or browser tab'),
+ '$url' => $url,
+ ));
+}
+
+function abook_toggle_flag($abook,$flag) {
+
+ $field = '';
+
+ switch($flag) {
+ case ABOOK_FLAG_BLOCKED:
+ $field = 'abook_blocked';
+ break;
+ case ABOOK_FLAG_IGNORED:
+ $field = 'abook_ignored';
+ break;
+ case ABOOK_FLAG_HIDDEN:
+ $field = 'abook_hidden';
+ break;
+ case ABOOK_FLAG_ARCHIVED:
+ $field = 'abook_archived';
+ break;
+ case ABOOK_FLAG_PENDING:
+ $field = 'abook_pending';
+ break;
+ case ABOOK_FLAG_UNCONNECTED:
+ $field = 'abook_unconnected';
+ break;
+ case ABOOK_FLAG_SELF:
+ $field = 'abook_self';
+ break;
+ case ABOOK_FLAG_FEED:
+ $field = 'abook_feed';
+ break;
+ default:
+ break;
+ }
+ if(! $field)
+ return;
+
+ $r = q("UPDATE abook set $field = (1 - $field) where abook_id = %d and abook_channel = %d",
+ intval($abook['abook_id']),
+ intval($abook['abook_channel'])
+ );
+
+
+ // if unsetting the archive bit, update the timestamps so we'll try to connect for an additional 30 days.
+
+ if(($flag === ABOOK_FLAG_ARCHIVED) && (intval($abook['abook_archived']))) {
+ $r = q("update abook set abook_connected = '%s', abook_updated = '%s'
+ where abook_id = %d and abook_channel = %d",
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ intval($abook['abook_id']),
+ intval($abook['abook_channel'])
+ );
+ }
+
+ return $r;
+
+}
+
+
+// Included here for completeness, but this is a very dangerous operation.
+// It is the caller's responsibility to confirm the requestor's intent and
+// authorisation to do this.
+
+function user_remove($uid) {
+
+}
+
+function account_remove($account_id,$local = true,$unset_session=true) {
+
+ logger('account_remove: ' . $account_id);
+
+ if(! intval($account_id)) {
+ logger('account_remove: no account.');
+ return false;
+ }
+
+ // Don't let anybody nuke the only admin account.
+
+ $r = q("select account_id from account where (account_roles & %d) > 0",
+ intval(ACCOUNT_ROLE_ADMIN)
+ );
+
+ if($r !== false && count($r) == 1 && $r[0]['account_id'] == $account_id) {
+ logger("Unable to remove the only remaining admin account");
+ return false;
+ }
+
+ $r = q("select * from account where account_id = %d limit 1",
+ intval($account_id)
+ );
+ $account_email=$r[0]['account_email'];
+
+ if(! $r) {
+ logger('account_remove: No account with id: ' . $account_id);
+ return false;
+ }
+
+ $x = q("select channel_id from channel where channel_account_id = %d",
+ intval($account_id)
+ );
+ if($x) {
+ foreach($x as $xx) {
+ channel_remove($xx['channel_id'],$local,false);
+ }
+ }
+
+ $r = q("delete from account where account_id = %d",
+ intval($account_id)
+ );
+
+
+ if ($unset_session) {
+ unset($_SESSION['authenticated']);
+ unset($_SESSION['uid']);
+ notice( sprintf(t("User '%s' deleted"),$account_email) . EOL);
+ goaway(z_root());
+ }
+ return $r;
+
+}
+// recursively delete a directory
+function rrmdir($path)
+{
+ if (is_dir($path) === true)
+ {
+ $files = array_diff(scandir($path), array('.', '..'));
+
+ foreach ($files as $file)
+ {
+ rrmdir(realpath($path) . '/' . $file);
+ }
+
+ return rmdir($path);
+ }
+
+ else if (is_file($path) === true)
+ {
+ return unlink($path);
+ }
+
+ return false;
+}
+
+function channel_remove($channel_id, $local = true, $unset_session=false) {
+
+ if(! $channel_id)
+ return;
+
+ logger('Removing channel: ' . $channel_id);
+ logger('channel_remove: local only: ' . intval($local));
+
+ $r = q("select * from channel where channel_id = %d limit 1", intval($channel_id));
+ if(! $r) {
+ logger('channel_remove: channel not found: ' . $channel_id);
+ return;
+ }
+
+ $channel = $r[0];
+
+ call_hooks('channel_remove',$r[0]);
+
+ if(! $local) {
+
+ $r = q("update channel set channel_deleted = '%s', channel_removed = 1, channel_r_stream = 0, channel_r_profile = 0,
+ channel_r_photos = 0, channel_r_abook = 0, channel_w_stream = 0, channel_w_wall = 0, channel_w_tagwall = 0,
+ channel_w_comment = 0, channel_w_mail = 0, channel_w_photos = 0, channel_w_chat = 0, channel_a_delegate = 0,
+ channel_r_storage = 0, channel_w_storage = 0, channel_r_pages = 0, channel_w_pages = 0, channel_a_republish = 0
+ where channel_id = %d",
+ dbesc(datetime_convert()),
+ intval($channel_id)
+ );
+
+ logger('deleting hublocs',LOGGER_DEBUG);
+
+ $r = q("update hubloc set hubloc_deleted = 1 where hubloc_hash = '%s'",
+ dbesc($channel['channel_hash'])
+ );
+
+
+ $r = q("update xchan set xchan_deleted = 1 where xchan_hash = '%s'",
+ dbesc($channel['channel_hash'])
+ );
+
+ Zotlabs\Daemon\Master::Summon(array('Notifier','purge_all',$channel_id));
+ }
+
+ q("DELETE FROM `groups` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `group_member` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `event` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `item` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `item_id` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `mail` WHERE `channel_id` = %d", intval($channel_id));
+ q("DELETE FROM `notify` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `photo` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `attach` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `profile` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `pconfig` WHERE `uid` = %d", intval($channel_id));
+ q("DELETE FROM `spam` WHERE `uid` = %d", intval($channel_id));
+
+ // @FIXME At this stage we need to remove the file resources located under /store/$nickname
+
+
+ q("delete from abook where abook_xchan = '%s' and abook_self = 1 ",
+ dbesc($channel['channel_hash'])
+ );
+
+ $r = q("update channel set channel_deleted = '%s', channel_removed = 1 where channel_id = %d",
+ dbesc(datetime_convert()),
+ intval($channel_id)
+ );
+
+ // if this was the default channel, set another one as default
+ if(App::$account['account_default_channel'] == $channel_id) {
+ $r = q("select channel_id from channel where channel_account_id = %d and channel_removed = 0 limit 1",
+ intval(App::$account['account_id']),
+ intval(PAGE_REMOVED));
+ if ($r) {
+ $rr = q("update account set account_default_channel = %d where account_id = %d",
+ intval($r[0]['channel_id']),
+ intval(App::$account['account_id']));
+ logger("Default channel deleted, changing default to channel_id " . $r[0]['channel_id']);
+ }
+ else {
+ $rr = q("update account set account_default_channel = 0 where account_id = %d",
+ intval(App::$account['account_id'])
+ );
+ }
+ }
+
+ logger('deleting hublocs',LOGGER_DEBUG);
+
+ $r = q("update hubloc set hubloc_deleted = 1 where hubloc_hash = '%s' and hubloc_url = '%s' ",
+ dbesc($channel['channel_hash']),
+ dbesc(z_root())
+ );
+
+ // Do we have any valid hublocs remaining?
+
+ $hublocs = 0;
+
+ $r = q("select hubloc_id from hubloc where hubloc_hash = '%s' and hubloc_deleted = 0",
+ dbesc($channel['channel_hash'])
+ );
+ if($r)
+ $hublocs = count($r);
+
+ if(! $hublocs) {
+ $r = q("update xchan set xchan_deleted = 1 where xchan_hash = '%s' ",
+ dbesc($channel['channel_hash'])
+ );
+ }
+
+ //remove from file system
+ $r = q("select channel_address from channel where channel_id = %d limit 1",
+ intval($channel_id)
+ );
+ if($r)
+ $channel_address = $r[0]['channel_address'] ;
+ if ($channel_address !== '') {
+ $f = 'store/' . $channel_address.'/';
+ logger ('delete '. $f);
+ if(is_dir($f))
+ @rrmdir($f);
+ }
+
+ Zotlabs\Daemon\Master::Summon(array('Directory',$channel_id));
+
+ if($channel_id == local_channel() && $unset_session) {
+ App::$session->nuke();
+ goaway(z_root());
+ }
+
+}
+
+/**
+ * mark any hubs "offline" that haven't been heard from in more than 30 days
+ * Allow them to redeem themselves if they come back later.
+ * Then go through all those that are newly marked and see if any other hubs
+ * are attached to the controlling xchan that are still alive.
+ * If not, they're dead (although they could come back some day).
+ */
+
+
+function mark_orphan_hubsxchans() {
+
+ $dirmode = intval(get_config('system','directory_mode'));
+ if($dirmode == DIRECTORY_MODE_NORMAL)
+ return;
+
+ $r = q("update hubloc set hubloc_error = 1 where hubloc_error = 0
+ and hubloc_network = 'zot' and hubloc_connected < %s - interval %s",
+ db_utcnow(), db_quoteinterval('36 day')
+ );
+
+// $realm = get_directory_realm();
+// if($realm == DIRECTORY_REALM) {
+// $r = q("select * from site where site_access != 0 and site_register !=0 and ( site_realm = '%s' or site_realm = '') order by rand()",
+// dbesc($realm)
+// );
+// }
+// else {
+// $r = q("select * from site where site_access != 0 and site_register !=0 and site_realm = '%s' order by rand()",
+// dbesc($realm)
+// );
+// }
+
+
+ $r = q("select hubloc_id, hubloc_hash from hubloc where hubloc_error = 0 and hubloc_orphancheck = 0");
+
+ if($r) {
+ foreach($r as $rr) {
+
+ // see if any other hublocs are still alive for this channel
+
+ $x = q("select * from hubloc where hubloc_hash = '%s' and hubloc_error = 0",
+ dbesc($rr['hubloc_hash'])
+ );
+ if($x) {
+
+ // yes - if the xchan was marked as an orphan, undo it
+
+ $y = q("update xchan set xchan_orphan = 0 where xchan_orphan = 1 and xchan_hash = '%s'",
+ dbesc($rr['hubloc_hash'])
+ );
+
+ }
+ else {
+
+ // nope - mark the xchan as an orphan
+
+ $y = q("update xchan set xchan_orphan = 1 where xchan_hash = '%s'",
+ dbesc($rr['hubloc_hash'])
+ );
+ }
+
+ // mark that we've checked this entry so we don't need to do it again
+
+ $y = q("update hubloc set hubloc_orphancheck = 1 where hubloc_id = %d",
+ dbesc($rr['hubloc_id'])
+ );
+ }
+ }
+
+}
+
+
+
+
+function remove_all_xchan_resources($xchan, $channel_id = 0) {
+
+ if(intval($channel_id)) {
+
+
+
+ }
+ else {
+
+ $dirmode = intval(get_config('system','directory_mode'));
+
+
+ $r = q("delete from photo where xchan = '%s'",
+ dbesc($xchan)
+ );
+ $r = q("select resource_id, resource_type, uid, id from item where ( author_xchan = '%s' or owner_xchan = '%s' ) ",
+ dbesc($xchan),
+ dbesc($xchan)
+ );
+ if($r) {
+ foreach($r as $rr) {
+ drop_item($rr,false);
+ }
+ }
+ $r = q("delete from event where event_xchan = '%s'",
+ dbesc($xchan)
+ );
+ $r = q("delete from group_member where xchan = '%s'",
+ dbesc($xchan)
+ );
+ $r = q("delete from mail where ( from_xchan = '%s' or to_xchan = '%s' )",
+ dbesc($xchan),
+ dbesc($xchan)
+ );
+ $r = q("delete from xlink where ( xlink_xchan = '%s' or xlink_link = '%s' )",
+ dbesc($xchan),
+ dbesc($xchan)
+ );
+
+ $r = q("delete from abook where abook_xchan = '%s'",
+ dbesc($xchan)
+ );
+
+
+ if($dirmode === false || $dirmode == DIRECTORY_MODE_NORMAL) {
+
+ $r = q("delete from xchan where xchan_hash = '%s'",
+ dbesc($xchan)
+ );
+ $r = q("delete from hubloc where hubloc_hash = '%s'",
+ dbesc($xchan)
+ );
+
+ }
+ else {
+
+ // directory servers need to keep the record around for sync purposes - mark it deleted
+
+ $r = q("update hubloc set hubloc_deleted = 1 where hubloc_hash = '%s'",
+ dbesc($xchan)
+ );
+
+ $r = q("update xchan set xchan_deleted = 1 where xchan_hash = '%s'",
+ dbesc($xchan)
+ );
+ }
+ }
+}
+
+
+function contact_remove($channel_id, $abook_id) {
+
+ if((! $channel_id) || (! $abook_id))
+ return false;
+
+ logger('removing contact ' . $abook_id . ' for channel ' . $channel_id,LOGGER_DEBUG);
+
+ $archive = get_pconfig($channel_id, 'system','archive_removed_contacts');
+ if($archive) {
+ q("update abook set abook_archived = 1 where abook_id = %d and abook_channel = %d",
+ intval($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 = $r[0];
+
+ if(intval($abook['abook_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",
+ 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;
+}
+
+
+
+function random_profile() {
+ $randfunc = db_getfunc('rand');
+
+ $checkrandom = get_config('randprofile','check'); // False by default
+ $retryrandom = intval(get_config('randprofile','retry'));
+ if($retryrandom == 0) $retryrandom = 5;
+
+ for($i = 0; $i < $retryrandom; $i++) {
+
+ $r = q("select xchan_url from xchan left join hubloc on hubloc_hash = xchan_hash where xchan_addr not like '%s' and hubloc_connected > %s - interval %s order by $randfunc limit 1",
+ dbesc('sys@%'),
+ db_utcnow(), db_quoteinterval('30 day')
+ );
+
+ if(!$r) return ''; // Couldn't get a random channel
+
+ if($checkrandom) {
+ $x = z_fetch_url($r[0]['xchan_url']);
+ if($x['success'])
+ return $r[0]['xchan_url'];
+ else
+ logger('Random channel turned out to be bad.');
+ }
+ else {
+ return $r[0]['xchan_url'];
+ }
+
+ }
+ return '';
+}
+