/**
* Generates the HTML to display the user profile tab
* @param moscomprofilerTab $tab the tab database entry
* @param moscomprofilerUser $user the user being displayed
* @param int $ui 1 for front-end, 2 for back-end
* @return mixed either string HTML for tab content, or false if ErrorMSG generated
*/
function getDisplayTab($tab, $user, $ui)
{
global $_CB_framework, $_CB_database, $ueConfig;
// Display shortest connection path / Degree of relationship:
$return = "";
if ($_CB_framework->myId() != $user->id && $_CB_framework->myId() > 0 && isset($ueConfig['connectionPath']) && $ueConfig['connectionPath'] && $ueConfig['allowConnections']) {
$return .= $this->_writeTabDescription($tab, $user);
$return .= "\t\t<div class=\"cbConnectionPaths\">";
$i = 0;
$cbCon = new cbConnection($_CB_framework->myId());
$congroups = $cbCon->getDegreeOfSepPath($_CB_framework->myId(), $user->id);
$directConDetails = $cbCon->getConnectionDetails($_CB_framework->myId(), $user->id);
if (is_array($congroups) && count($congroups) > 2) {
cbArrayToInts($congroups);
$query = "SELECT u.name,u.email,u.username,c.avatar,c.avatarapproved, u.id " . "\n FROM #__comprofiler AS c" . "\n LEFT JOIN #__users AS u ON c.id=u.id" . "\n WHERE c.id IN (" . implode(',', $congroups) . ")" . "\n AND c.approved=1 AND c.confirmed=1 AND c.banned=0 AND u.block=0";
$_CB_database->setQuery($query);
$connections = $_CB_database->loadObjectList('id');
$prevConID = null;
$prevConName = null;
if (isset($connections[$user->id])) {
$live_site = $_CB_framework->getCfg('live_site');
$return .= _UE_CONNECTIONPATH1 . getNameFormat($connections[$user->id]->name, $connections[$user->id]->username, $ueConfig['name_format']) . " ( " . $cbCon->getDegreeOfSep() . _UE_CONNECTIONPATH2;
foreach ($congroups as $congroup) {
if ($i != 0) {
$return .= ' <img src="' . $live_site . '/components/com_comprofiler/images/arrow.png" alt="" /> ';
}
$conName = getNameFormat($connections[$congroup]->name, $connections[$congroup]->username, $ueConfig['name_format']);
if ($congroup != $_CB_framework->myId() && isset($connections[$congroup])) {
$conDetail = $cbCon->getConnectionDetails($prevConID, $congroup);
$conAvatar = getFieldValue('image', $connections[$congroup]->avatar, $connections[$congroup]);
$tipField = "<b>" . _UE_CONNECTEDSINCE . "</b> : " . dateConverter($conDetail->membersince, 'Y-m-d', $ueConfig['date_format']);
if (getLangDefinition($conDetail->type) != null) {
$tipField .= "<br /><b>" . _UE_CONNECTIONTYPE . "</b> : " . getConnectionTypes($conDetail->type);
}
if ($conDetail->description != null) {
$tipField .= "<br /><b>" . _UE_CONNECTEDCOMMENT . "</b> : " . htmlspecialchars($conDetail->description);
}
$tipField .= "<div style=\"text-align:center;margin:8px;\">" . htmlspecialchars(preg_replace('/onclick\\s*=\\s*".+"/Uis', "", $conAvatar), ENT_QUOTES) . "</div>";
$tipTitle = $prevConName . _UE_DETAILSABOUT . str_replace("'", "&#039;", $conName);
$htmltext = $conName;
$href = 'javascript:void(0)';
if ($congroup != $user->id) {
$href = cbSef("index.php?option=com_comprofiler&task=userProfile&user="******"<br />" . sprintf(_UE_DIRECTCONNECTIONPENDINGACCEPTANCE, getNameFormat($user->name, $user->username, $ueConfig['name_format']));
}
} else {
$return .= _UE_NOESTABLISHEDCONNECTION . getNameFormat($user->name, $user->username, $ueConfig['name_format']);
}
} elseif (is_array($congroups) && count($congroups) == 2) {
$return .= _UE_DIRECTCONNECTION . getNameFormat($user->name, $user->username, $ueConfig['name_format']);
} else {
if ($directConDetails !== false && $directConDetails->pending) {
$return .= "<br />" . sprintf(_UE_DIRECTCONNECTIONPENDINGACCEPTANCE, getNameFormat($user->name, $user->username, $ueConfig['name_format']));
} else {
$return .= _UE_NOESTABLISHEDCONNECTION . getNameFormat($user->name, $user->username, $ueConfig['name_format']);
}
}
$return .= "</div>";
}
return $return;
}
/**
* Generates the HTML to display the user profile tab
*
* @param \CB\Database\Table\TabTable $tab the tab database entry
* @param \CB\Database\Table\UserTable $user the user being displayed
* @param int $ui 1 for front-end, 2 for back-end
* @return string|boolean Either string HTML for tab content, or false if ErrorMSG generated
*/
public function getDisplayTab($tab, $user, $ui)
{
global $_CB_framework, $_CB_database, $ueConfig;
$return = null;
if ($_CB_framework->myId() != $user->id && $_CB_framework->myId() > 0 && (isset($ueConfig['connectionPath']) && $ueConfig['connectionPath']) && $ueConfig['allowConnections']) {
$myCBUser = CBuser::getInstance((int) $user->id, false);
$myName = $myCBUser->getField('formatname', null, 'html', 'none', 'profile', 0, true);
$myAvatar = $myCBUser->getField('avatar', null, 'html', 'none', 'profile', 0, true, array('_hideApproval' => 1));
$i = 0;
$cbCon = new cbConnection($_CB_framework->myId());
$conGroups = $cbCon->getDegreeOfSepPath($_CB_framework->myId(), $user->id);
$directConDetails = $cbCon->getConnectionDetails($_CB_framework->myId(), $user->id);
$addConnURL = $_CB_framework->viewUrl('addconnection', true, array('connectionid' => (int) $user->id));
$removeConnURL = $_CB_framework->viewUrl('removeconnection', true, array('connectionid' => (int) $user->id));
$acceptConnURL = $_CB_framework->viewUrl('acceptconnection', true, array('connectionid' => (int) $user->id));
$denyConnURL = $_CB_framework->viewUrl('denyconnection', true, array('connectionid' => (int) $user->id));
if ($ueConfig['conNotifyType'] != 0) {
cbValidator::loadValidation();
$tooltipTitle = sprintf(CBTxt::T('UE_CONNECTTO', 'Connect to %s'), $myName);
$ooltipHTML = '<div class="form-group cb_form_line clearfix">' . CBTxt::Th('UE_CONNECTIONINVITATIONMSG', 'Personalize your invitation to connect by adding a message that will be included with your connection.') . '</div>' . '<form action="' . $addConnURL . '" method="post" id="connOverForm" name="connOverForm" class="cb_form cbValidation">' . '<div class="form-group cb_form_line clearfix">' . '<label for="message" class="control-label">' . CBTxt::T('UE_MESSAGE', 'Message') . '</label>' . '<div class="cb_field">' . '<textarea cols="40" rows="8" name="message" class="form-control"></textarea>' . '</div>' . '</div>' . '<div class="form-group cb_form_line clearfix">' . '<input type="submit" class="btn btn-primary cbConnReqSubmit" value="' . htmlspecialchars(CBTxt::Th('UE_SENDCONNECTIONREQUEST', 'Request Connection')) . '"' . cbValidator::getSubmitBtnHtmlAttributes() . ' />' . ' <input type="button" id="cbConnReqCancel" class="btn btn-default cbConnReqCancel cbTooltipClose" value="' . htmlspecialchars(CBTxt::Th('UE_CANCELCONNECTIONREQUEST', 'Cancel')) . '" />' . '</div>' . '</form>';
$tooltip = cbTooltip($ui, $ooltipHTML, $tooltipTitle, 400, null, null, null, 'data-hascbtooltip="true" data-cbtooltip-modal="true"');
} else {
$tooltip = null;
}
$connected = '<div class="cbConnectionPaths alert alert-info">' . CBTxt::Th('CONNECTIONS_YOU_ARE_DIRECTLY_CONNECTED_WITH_USER', 'You are directly connected with [user]', array('[user]' => $myAvatar)) . '</div>';
$requestConnection = '<div class="cbConnectionPaths alert alert-info clearfix">' . '<div class="cbConnPathMessage col-sm-8">' . CBTxt::Th('CONNECTIONS_YOU_HAVE_NO_CONNECTION_WITH_USER', 'You have no established connection with [user]', array('[user]' => $myAvatar)) . '</div>' . '<div class="cbConnPathActions col-sm-4 text-right">' . '<input type="button" value="' . htmlspecialchars(CBTxt::Th('Request Connection')) . '" class="btn btn-success cbConnPathAccept"' . ($tooltip ? ' ' . $tooltip : ' onclick="location.href = \'' . addslashes($addConnURL) . '\';"') . ' />' . '</div>' . '</div>';
$cancelRequest = '<div class="cbConnectionPaths alert alert-info clearfix">' . '<div class="cbConnPathMessage col-sm-8">' . CBTxt::Th('CONNECTIONS_YOUR_CONNECTION_REQUEST_WITH_USER_IS_PENDING', 'Your connection request with [user] is pending acceptance', array('[user]' => $myAvatar)) . '</div>' . '<div class="cbConnPathActions col-sm-4 text-right">' . '<input type="button" value="' . htmlspecialchars(CBTxt::Th('Cancel Request')) . '" class="btn btn-danger cbConnPathReject" onclick="if ( confirm( \'' . addslashes(CBTxt::T('UE_CONFIRMREMOVECONNECTION', 'Are you sure you want to remove this connection?')) . '\' ) ) { location.href = \'' . addslashes($removeConnURL) . '\'; } else { return false }" />' . '</div>' . '</div>';
$acceptDenyRequest = '<div class="cbConnectionPaths alert alert-info clearfix">' . '<div class="cbConnPathMessage col-sm-8">' . CBTxt::Th('CONNECTIONS_THE_CONNECTION_WITH_USER_IS_PENDING_YOUR_ACCEPTANCE', 'The connection with [user] is pending your acceptance', array('[user]' => $myAvatar)) . '</div>' . '<div class="cbConnPathActions col-sm-4 text-right">' . '<input type="button" value="' . htmlspecialchars(CBTxt::Th('Accept')) . '" class="btn btn-success cbConnPathAccept" onclick="location.href = \'' . addslashes($acceptConnURL) . '\';" />' . ' <input type="button" value="' . htmlspecialchars(CBTxt::Th('Reject')) . '" class="btn btn-danger cbConnPathReject" onclick="if ( confirm( \'' . addslashes(CBTxt::T('UE_CONFIRMREMOVECONNECTION', 'Are you sure you want to remove this connection?')) . '\' ) ) { location.href = \'' . addslashes($denyConnURL) . '\'; } else { return false }" />' . '</div>' . '</div>';
$return .= $this->_writeTabDescription($tab, $user);
if (is_array($conGroups) && count($conGroups) > 2) {
cbArrayToInts($conGroups);
$query = "SELECT u.name, u.email, u.username, c.avatar, c.avatarapproved, u.id " . "\n FROM #__comprofiler AS c" . "\n LEFT JOIN #__users AS u ON c.id=u.id" . "\n WHERE c.id IN (" . implode(',', $conGroups) . ")" . "\n AND c.approved=1 AND c.confirmed=1 AND c.banned=0 AND u.block=0";
$_CB_database->setQuery($query);
$connections = $_CB_database->loadObjectList('id');
$prevConID = null;
$prevConName = null;
if (isset($connections[$user->id])) {
$return .= '<div class="cbConnectionPaths alert alert-info">' . CBTxt::Th('CONNECTIONS_YOUR_CONNECTION_PATH_TO_USER_OF_DEGREE_IS', 'Your connection path to [user] of [degrees] degrees is ', array('[user]' => $myAvatar, '[degrees]' => $cbCon->getDegreeOfSep()));
foreach ($conGroups as $conGroup) {
$cbUser = CBuser::getInstance((int) $conGroup);
if (!$cbUser) {
$cbUser = CBuser::getInstance(null);
}
if ($i != 0) {
$return .= ' <span class="fa fa-chevron-right fa-sm"></span> ';
}
$conName = $cbUser->getField('formatname', null, 'html', 'none', 'profile', 0, true);
$conAvatar = $cbUser->getField('avatar', null, 'html', 'none', 'profile', 0, true, array('_hideApproval' => 1));
if ($conGroup != $_CB_framework->myId() && isset($connections[$conGroup])) {
$conDetail = $cbCon->getConnectionDetails($prevConID, $conGroup);
$tipField = getConnectionTab::renderConnectionToolTip($conDetail);
$tipField .= '<div style="text-align: center; margin: 8px;">' . $cbUser->getField('avatar', null, 'html', 'none', 'list', 0, true) . '</div>';
$tipTitle = $prevConName . CBTxt::T('UE_DETAILSABOUT', ' Details About [PERSON_NAME]', array('[PERSON_NAME]' => htmlspecialchars($conName)));
if ($conGroup != $user->id) {
$href = $_CB_framework->userProfileUrl((int) $conGroup);
} else {
$href = null;
}
$return .= cbTooltip($ui, $tipField, $tipTitle, 300, null, $conAvatar, $href);
} else {
$return .= $conAvatar;
}
$i++;
$prevConID = $conGroup;
$prevConName = $conName;
}
$return .= '</div>';
if ($directConDetails !== false && $directConDetails->pending) {
$return .= $cancelRequest;
} elseif ($directConDetails !== false && !$directConDetails->accepted) {
$return .= $acceptDenyRequest;
} elseif ($directConDetails === false) {
$return .= $requestConnection;
}
} else {
$return .= $requestConnection;
}
} elseif (is_array($conGroups) && count($conGroups) == 2) {
$return .= $connected;
} else {
if ($directConDetails !== false && $directConDetails->pending) {
$return .= $cancelRequest;
} elseif ($directConDetails !== false && !$directConDetails->accepted) {
$return .= $acceptDenyRequest;
} else {
$return .= $requestConnection;
}
}
}
return $return;
}
/**
* Checks if user has increment access to this field
*
* @param FieldTable $field
* @param UserTable $user
* @return boolean
*/
private function getIncrementAccess(&$field, &$user)
{
global $_CB_framework, $_CB_database;
static $cache = array();
$myId = (int) $_CB_framework->myId();
$userId = (int) $user->get('id');
$fieldId = (int) $field->get('fieldid');
$ipAddresses = cbGetIParray();
$ipAddress = trim(array_shift($ipAddresses));
$incrementDelay = $field->params->get('points_inc_delay', null);
$customDelay = $field->params->get('points_inc_delay_custom', null);
$cacheId = $myId . $userId . $fieldId;
if (!isset($cache[$cacheId])) {
$ratingAccess = (int) $field->params->get('points_access', 1);
$excludeSelf = (int) $field->params->get('points_access_exclude', 0);
$includeSelf = (int) $field->params->get('points_access_include', 0);
$viewAccessLevel = (int) $field->params->get('points_access_custom', 1);
$access = false;
switch ($ratingAccess) {
case 8:
if (Application::MyUser()->canViewAccessLevel($viewAccessLevel) && ($userId == $myId && !$excludeSelf || $userId != $myId)) {
$access = true;
}
break;
case 7:
if (Application::MyUser()->isModeratorFor(Application::User((int) $userId)) && ($userId == $myId && !$excludeSelf || $userId != $myId)) {
$access = true;
}
break;
case 6:
if ($userId != $myId) {
$cbConnection = new cbConnection($userId);
if ($cbConnection->getConnectionDetails($userId, $myId) !== false) {
$access = true;
}
} else {
if ($userId == $myId && $includeSelf) {
$access = true;
}
}
break;
case 5:
if ($myId == 0 && $userId != $myId || $userId == $myId && $includeSelf) {
$access = true;
}
break;
case 4:
if ($myId > 0 && ($userId == $myId && !$excludeSelf || $userId != $myId)) {
$access = true;
}
break;
case 3:
if ($userId != $myId) {
$access = true;
}
break;
case 2:
if ($userId == $myId) {
$access = true;
}
break;
case 1:
default:
if ($userId == $myId && !$excludeSelf || $userId != $myId) {
$access = true;
}
break;
}
$cache[$cacheId] = $access;
}
$canAccess = $cache[$cacheId];
if ($canAccess && $incrementDelay) {
$query = 'SELECT ' . $_CB_database->NameQuote('date') . "\n FROM " . $_CB_database->NameQuote('#__comprofiler_ratings') . "\n WHERE " . $_CB_database->NameQuote('type') . " = " . $_CB_database->Quote('field') . "\n AND " . $_CB_database->NameQuote('item') . " = " . $fieldId . "\n AND " . $_CB_database->NameQuote('target') . " = " . $userId . "\n AND " . $_CB_database->NameQuote('user_id') . " = " . $myId;
if ($myId == 0) {
$query .= "\n AND " . $_CB_database->NameQuote('ip_address') . " = " . $_CB_database->Quote($ipAddress);
}
$query .= "\n ORDER BY " . $_CB_database->NameQuote('date') . " DESC";
$_CB_database->setQuery($query, 0, 1);
$incrementDate = $_CB_database->loadResult();
if ($incrementDate) {
if ($incrementDelay == 'FOREVER') {
$canAccess = false;
} elseif ($incrementDelay == 'CUSTOM') {
if ($customDelay && $_CB_framework->getUTCTimestamp(strtoupper($customDelay), $_CB_framework->getUTCTimestamp($incrementDate)) >= $_CB_framework->getUTCNow()) {
$canAccess = false;
}
} elseif ($_CB_framework->getUTCTimestamp($incrementDelay, $_CB_framework->getUTCTimestamp($incrementDate)) >= $_CB_framework->getUTCNow()) {
$canAccess = false;
}
}
}
return $canAccess;
}
/**
* @param cbautoactionsActionTable $trigger
* @param UserTable $user
*/
public function execute( $trigger, $user )
{
global $ueConfig;
if ( ! $user->get( 'id' ) ) {
if ( $trigger->getParams()->get( 'debug', false, GetterInterface::BOOLEAN ) ) {
var_dump( CBTxt::T( 'AUTO_ACTION_CONNECTION_NO_USER', ':: Action [action] :: Connection skipped due to no user', array( '[action]' => (int) $trigger->get( 'id' ) ) ) );
}
return;
}
foreach ( $trigger->getParams()->subTree( 'connection' ) as $row ) {
/** @var ParamsInterface $row */
$users = $trigger->getSubstituteString( $row->get( 'users', null, GetterInterface::STRING ) );
if ( $users ) {
$users = explode( ',', $users );
cbArrayToInts( $users );
$message = $trigger->getSubstituteString( $row->get( 'message', null, GetterInterface::RAW ), false );
$mutual = $row->get( 'mutual', 2, GetterInterface::INT );
$cross = $row->get( 'cross', 1, GetterInterface::INT );
$notify = $row->get( 'notify', 0, GetterInterface::BOOLEAN );
if ( $mutual ) {
$oldMutual = $ueConfig['useMutualConnections'];
$ueConfig['useMutualConnections'] = ( $mutual == 1 ? '1' : '0' );
}
if ( $cross ) {
$oldCross = $ueConfig['autoAddConnections'];
$ueConfig['autoAddConnections'] = ( $cross == 1 ? '1' : '0' );
}
if ( $row->get( 'direction', 0, GetterInterface::BOOLEAN ) ) {
foreach ( $users as $userId ) {
if ( $userId != $user->get( 'id' ) ) {
$connections = new cbConnection( $userId );
if ( ! $connections->getConnectionDetails( $userId, $user->get( 'id' ) ) ) {
$connections->addConnection( $user->get( 'id' ), $message, $notify );
}
}
}
} else {
$connections = new cbConnection( $user->get( 'id' ) );
foreach ( $users as $userId ) {
if ( $userId != $user->get( 'id' ) ) {
if ( ! $connections->getConnectionDetails( $user->get( 'id' ), $userId ) ) {
$connections->addConnection( $userId, $message, $notify );
}
}
}
}
if ( $mutual ) {
$ueConfig['useMutualConnections'] = $oldMutual;
}
if ( $cross ) {
$ueConfig['autoAddConnections'] = $oldCross;
}
}
}
}
/**
* @param int $userId
* @return mixed
*/
public function isAuthorized( $userId )
{
global $_PLUGINS;
static $cache = array();
$id = (int) $this->get( 'id' );
$owner = (int) $this->get( 'user_id' );
$userId = (int) $userId;
if ( ! isset( $cache[$userId][$id] ) ) {
$rules = explode( '|*|', $this->get( 'rule' ) );
$cache[$userId][$id] = false;
$_PLUGINS->trigger( 'privacy_onBeforeIsAuthorized', array( &$cache[$userId][$id], $rules, $userId, $this ) );
if ( empty( $rules ) || in_array( '0', $rules ) || ( $userId == $owner ) ) {
$cache[$userId][$id] = true;
} elseif ( in_array( '1', $rules ) ) {
if ( $userId > 0 ) {
$cache[$userId][$id] = true;
}
} elseif ( in_array( '99', $rules ) ) {
$cache[$userId][$id] = false;
} else {
$types = array();
foreach ( $rules as $rule ) {
if ( substr( $rule, 0, 5 ) == 'CONN-' ) {
$types[] = str_replace( 'CONN-', '', $rule );
}
}
$access = array();
foreach ( $rules as $rule ) {
if ( substr( $rule, 0, 7 ) == 'ACCESS-' ) {
$access[] = str_replace( 'ACCESS-', '', $rule );
}
}
$groups = array();
foreach ( $rules as $rule ) {
if ( substr( $rule, 0, 6 ) == 'GROUP-' ) {
$groups[] = str_replace( 'GROUP-', '', $rule );
}
}
if ( ( $cache[$userId][$id] == false ) && ( in_array( '2', $rules ) || $types ) ) {
static $connections = array();
if ( ! isset( $connections[$userId][$owner] ) ) {
$cbConnection = new cbConnection( $userId );
$connections[$userId][$owner] = $cbConnection->getConnectionDetails( $owner, $userId );
}
$connection = $connections[$userId][$owner];
if ( $connection && ( $connection->accepted == 1 ) && ( $connection->pending == 0 ) ) {
if ( in_array( '2', $rules ) ) {
$cache[$userId][$id] = true;
} else {
if ( $connection->type ) {
$connTypes = explode( '|*|', $connection->type );
foreach ( $connTypes as $connType ) {
if ( in_array( trim( htmlspecialchars( $connType ) ), $types ) ) {
$cache[$userId][$id] = true;
}
}
}
}
}
}
if ( ( $cache[$userId][$id] == false ) && in_array( '3', $rules ) ) {
static $subConnections = array();
if ( ! isset( $subConnections[$userId][$owner] ) ) {
$cbConnection = new cbConnection( $userId );
$subConnections[$userId][$owner] = $cbConnection->getDegreeOfSepPathArray( $owner, $userId, 1, 2 );
}
if ( ! empty( $subConnections[$userId][$owner] ) ) {
$cache[$userId][$id] = true;
}
}
if ( ( $cache[$userId][$id] == false ) && $access ) {
static $accessLevels = array();
if ( ! isset( $accessLevels[$userId] ) ) {
$accessLevels[$userId] = Application::User( $userId )->getAuthorisedViewLevels();
}
$usersAccess = $accessLevels[$userId];
foreach ( $access as $accessLevel ) {
if ( ( $cache[$userId][$id] == false ) && in_array( $accessLevel, $usersAccess ) ) {
$cache[$userId][$id] = true;
}
}
}
if ( ( $cache[$userId][$id] == false ) && $groups ) {
static $userGroups = array();
if ( ! isset( $userGroups[$userId] ) ) {
$userGroups[$userId] = Application::User( $userId )->getAuthorisedGroups();
}
$usersGroups = $userGroups[$userId];
foreach ( $groups as $group ) {
if ( ( $cache[$userId][$id] == false ) && in_array( $group, $usersGroups ) ) {
$cache[$userId][$id] = true;
}
}
}
}
$_PLUGINS->trigger( 'privacy_onAfterIsAuthorized', array( &$cache[$userId][$id], $rules, $userId, $this ) );
}
return $cache[$userId][$id];
}
/**
* Checks if two users are completely conntected (accepted and not pending)
*
* @param int $fromUser
* @param int $toUser
*
* @return bool
*/
static public function isConnected( $fromUser, $toUser )
{
static $cache = array();
if ( ! isset( $cache[$fromUser][$toUser] ) ) {
if ( Application::Config()->get( 'allowConnections' ) ) {
$cbConnection = new \cbConnection( $fromUser );
$details = $cbConnection->getConnectionDetails( $fromUser, $toUser );
$connected = ( ( $details !== false ) && ( $details->get( 'pending' ) == 0 ) && ( $details->get( 'accepted' ) == 1 ) ? true : false );
} else {
$connected = false;
}
$cache[$fromUser][$toUser] = $connected;
}
return $cache[$fromUser][$toUser];
}
