<?php
require_once('include/zot.php');
require_once('include/crypto.php');
function identity_check_service_class($account_id) {
$ret = array('success' => false, $message => '');
$r = q("select count(channel_id) as total from channel were channel_account_id = %d ",
intval($account_id)
);
if(! ($r && count($r))) {
$ret['message'] = t('Unable to obtain identity information from database');
return $ret;
}
if(! service_class_allows($account_id,'total_identities',$r[0]['total'])) {
$result['message'] .= upgrade_message();
return $result;
}
$ret['success'] = true;
return $ret;
}
// Return an error message if the name is not valid. We're currently only checking
// for an empty name or one that exceeds our storage limit (255 chars).
// 255 chars is probably going to create a mess on some pages.
// Plugins can set additional policies such as full name requirements, character sets, multi-byte
// length, etc.
function validate_channelname($name) {
if(! $name)
return t('Empty name');
if(strlen($name) > 255)
return t('Name too long');
$arr = array('name' => $name);
call_hooks('validate_channelname',$arr);
if(x($arr,'message'))
return $arr['message'];
return;
}
// Required: name, nickname, account_id
// optional: pageflags
function create_identity($arr) {
$a = get_app();
$ret = array('success' => false);
if(! $arr['account_id']) {
$ret['message'] = t('No account identifier');
return $ret;
}
$nick = trim($arr['nickname']);
$name = escape_tags($arr['name']);
$pageflags = ((x($arr,'pageflags')) ? intval($arr['pageflags']) : PAGE_NORMAL);
$name_error = validate_channelname($arr['name']);
if($name_error) {
$ret['message'] = $name_error;
return $ret;
}
if(check_webbie(array($nick)) !== $nick) {
$ret['message'] = t('Nickname has unsupported characters or is already being used on this site.');
return $ret;
}
$guid = zot_new_uid($nick);
$key = new_keypair(4096);
$sig = base64url_encode(rsa_sign($guid,$key['prvkey']));
$hash = base64url_encode(hash('whirlpool',$guid . $sig,true));
// Force a few things on the short term until we can provide a theme or app with choice
$publish = 1;
if(array_key_exists('publish', $arr))
$publish = intval($arr['publish']);
$primary = true;
if(array_key_exists('primary', $arr))
$primary = intval($arr['primary']);
$r = q("insert into channel ( channel_account_id, channel_primary,
channel_name, channel_address, channel_guid, channel_guid_sig,
channel_hash, channel_prvkey, channel_pubkey, channel_pageflags )
values ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d ) ",
intval($arr['account_id']),
intval($primary),
dbesc($name),
dbesc($nick),
dbesc($guid),
dbesc($sig),
dbesc($hash),
dbesc($key['prvkey']),
dbesc($key['pubkey']),
intval(PAGE_NORMAL)
);
$r = q("select * from channel where channel_account_id = %d
and channel_guid = '%s' limit 1",
intval($arr['account_id']),
dbesc($guid)
);
if(! $r) {
$ret['message'] = t('Unable to retrieve created identity');
return $ret;
}
$ret['channel'] = $r[0];
set_default_login_identity($arr['account_id'],$ret['channel']['channel_id'],false);
// Ensure that there is a host keypair.
if((! get_config('system','pubkey')) && (! get_config('system','prvkey'))) {
$hostkey = new_keypair(4096);
set_config('system','pubkey',$hostkey['pubkey']);
set_config('system','prvkey',$hostkey['prvkey']);
}
// Create a verified hub location pointing to this site.
$r = q("insert into hubloc ( hubloc_guid, hubloc_guid_sig, hubloc_hash, hubloc_addr, hubloc_flags,
hubloc_url, hubloc_url_sig, hubloc_host, hubloc_callback, hubloc_sitekey )
values ( '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s' )",
dbesc($guid),
dbesc($sig),
dbesc($hash),
dbesc($ret['channel']['channel_address'] . '@' . get_app()->get_hostname()),
intval(($primary) ? HUBLOC_FLAGS_PRIMARY : 0),
dbesc(z_root()),
dbesc(base64url_encode(rsa_sign(z_root(),$ret['channel']['channel_prvkey']))),
dbesc(get_app()->get_hostname()),
dbesc(z_root() . '/post'),
dbesc(get_config('system','pubkey'))
);
if(! $r)
logger('create_identity: Unable to store hub location');
$newuid = $ret['channel']['channel_id'];
$r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_guid_sig, xchan_pubkey, xchan_photo_l, xchan_photo_m, xchan_photo_s, xchan_addr, xchan_url, xchan_name, xchan_network, xchan_photo_date, xchan_name_date ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s')",
dbesc($hash),
dbesc($guid),
dbesc($sig),
dbesc($key['pubkey']),
dbesc($a->get_baseurl() . "/photo/profile/l/{$newuid}"),
dbesc($a->get_baseurl() . "/photo/profile/m/{$newuid}"),
dbesc($a->get_baseurl() . "/photo/profile/s/{$newuid}"),
dbesc($ret['channel']['channel_address'] . '@' . get_app()->get_hostname()),
dbesc(z_root() . '/channel/' . $ret['channel']['channel_address']),
dbesc($ret['channel']['channel_name']),
dbesc('zot'),
dbesc(datetime_convert()),
dbesc(datetime_convert())
);
// Not checking return value.
// It's ok for this to fail if it's an imported channel, and therefore the hash is a duplicate
$r = q("INSERT INTO profile ( aid, uid, profile_guid, profile_name, is_default, publish, name, photo, thumb)
VALUES ( %d, %d, '%s', '%s', %d, %d, '%s', '%s', '%s') ",
intval($ret['channel']['channel_account_id']),
intval($newuid),
dbesc(random_string()),
t('Default Profile'),
1,
$publish,
dbesc($ret['channel']['channel_name']),
dbesc($a->get_baseurl() . "/photo/profile/l/{$newuid}"),
dbesc($a->get_baseurl() . "/photo/profile/m/{$newuid}")
);
$r = q("insert into abook ( abook_account, abook_channel, abook_xchan, abook_closeness, abook_created, abook_updated, abook_flags )
values ( %d, %d, '%s', %d, '%s', '%s', %d ) ",
intval($ret['channel']['channel_account_id']),
intval($newuid),
dbesc($hash),
intval(0),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
intval(ABOOK_FLAG_SELF)
);
// Create a group with no members. This allows somebody to use it
// right away as a default group for new contacts.
require_once('include/group.php');
group_add($newuid, t('Friends'));
call_hooks('register_account', $newuid);
proc_run('php','include/directory.php', $ret['channel']['channel_id']);
$ret['success'] = true;
return $ret;
}
// set default identity for account_id to channel_id
// if $force is false only do this if there is no current default
function set_default_login_identity($account_id,$channel_id,$force = true) {
$r = q("select account_default_channel from account where account_id = %d limit 1",
intval($account_id)
);
if(($r) && (count($r)) && ((! intval($r[0]['account_default_channel'])) || $force)) {
$r = q("update account set account_default_channel = %d where account_id = %d limit 1",
intval($channel_id),
intval($account_id)
);
}
}
function identity_basic_export($channel_id) {
/*
* Red basic channel export
*/
$ret = array();
$ret['compatibility'] = array('project' => FRIENDICA_PLATFORM, 'version' => FRIENDICA_VERSION, 'database' => DB_UPDATE_VERSION);
$r = q("select * from channel where channel_id = %d limit 1",
intval($channel_id)
);
if($r)
$ret['channel'] = $r[0];
$r = q("select * from profile where uid = %d",
intval($channel_id)
);
if($r)
$ret['profile'] = $r;
$xchans = array();
$r = q("select * from abook where abook_channel = %d ",
intval($channel_id)
);
if($r) {
$ret['abook'] = $r;
foreach($r as $rr)
$xchans[] = $rr['abook_xchan'];
stringify_array_elms($xchans);
}
if($xchans) {
$r = q("select * from xchan where xchan_hash in ( " . implode(',',$xchans) . " ) ");
if($r)
$ret['xchan'] = $r;
$r = q("select * from hubloc where hubloc_hash in ( " . implode(',',$xchans) . " ) ");
if($r)
$ret['hubloc'] = $r;
}
$r = q("select * from group where uid = %d ",
intval($channel_id)
);
if($r)
$ret['group'] = $r;
$r = q("select * from group_member where uid = %d ",
intval($channel_id)
);
if($r)
$ret['group_member'] = $r;
$r = q("select * from pconfig where uid = %d",
intval($channel_id)
);
if($r)
$ret['config'] = $r;
$r = q("select type, data from photo where scale = 4 and profile = 1 and uid = %d limit 1",
intval($channel_id)
);
if($r) {
$ret['photo'] = array('type' => $r[0]['type'], 'data' => base64url_encode($r[0]['data']));
}
return $ret;
}
function identity_basic_import($arr, $seize_primary = false) {
$ret = array('result' => false );
if($arr['channel']) {
// import channel
// create a new xchan (if necessary)
// create a new hubloc and seize control if applicable
}
if($arr['profile']) {
// FIXME - change profile assignment to a hash instead of an id we have to fix
}
if($arr['xchan']) {
// import any xchan and hubloc which are not yet available on this site
// Unset primary for all other hubloc on our own record if $seize_primary
}
if($arr['abook']) {
// import the abook entries
}
if($seize_primary) {
// send a refresh message to all our friends, telling them we've moved
}
$ret['result'] = true ;
return $ret;
}