helper-iflychat.php

<?php

function iflychat_get_option($optionName)
{
  global $modSettings;
  if(isset($modSettings[$optionName]))
  {
    return $modSettings[$optionName];
  }
  else
  {
    return;
  }
}

function iflychat_get_current_guest_name()
{
  global $modSettings;
  
  if(isset($_SESSION) && isset($_SESSION['iflychat_guest_name']))
  {
    //if(!isset($_COOKIE) || !isset($_COOKIE['drupalchat_guest_name'])) {
    setrawcookie('iflychat_guest_name', rawurlencode($_SESSION['iflychat_guest_name']), time()+60*60*24*365);
      //}
  }
  else if(isset($_COOKIE) && isset($_COOKIE['iflychat_guest_name']) && isset($_COOKIE['iflychat_guest_session'])&& ($_COOKIE['iflychat_guest_session']==iflychat_compute_guest_session(iflychat_get_current_guest_id())))
  {
    $_SESSION['iflychat_guest_name'] = check_plain($_COOKIE['iflychat_guest_name']);
  }
  else
  {
    if($modSettings['iflychat_anon_use_name'] == 1)
    {
      $_SESSION['iflychat_guest_name'] = check_plain($modSettings['iflychat_anon_prefix'] . ' ' . iflychat_get_random_name());
    }
    else
    {
      $_SESSION['iflychat_guest_name'] = check_plain($modSettings['iflychat_anon_prefix'] . time());
    }
    setrawcookie('iflychat_guest_name', rawurlencode($_SESSION['iflychat_guest_name']), time()+60*60*24*365);
   }
   return $_SESSION['iflychat_guest_name'];
}

function iflychat_get_current_guest_id()
{
  if(isset($_SESSION) && isset($_SESSION['iflychat_guest_id']))
  {
    //if(!isset($_COOKIE) || !isset($_COOKIE['drupalchat_guest_id'])) {
    setrawcookie('iflychat_guest_id', rawurlencode($_SESSION['iflychat_guest_id']), time()+60*60*24*365);
    setrawcookie('iflychat_guest_session', rawurlencode($_SESSION['iflychat_guest_session']), time()+60*60*24*365);
          //}
  }
  else if(isset($_COOKIE) && isset($_COOKIE['iflychat_guest_id']) && isset($_COOKIE['iflychat_guest_session']) && ($_COOKIE['iflychat_guest_session']==iflychat_compute_guest_session($_COOKIE['iflychat_guest_id'])))
  {
    $_SESSION['iflychat_guest_id'] = check_plain($_COOKIE['iflychat_guest_id']);
    $_SESSION['iflychat_guest_session'] = check_plain($_COOKIE['iflychat_guest_session']);
  }
  else
  {
    $characters = 'abcdefghijklmnopqrstuvwxyz0123456789';
    $iflychatId = time();
    for ($i = 0; $i < 5; $i++)
    {
      $iflychatId .= $characters[rand(0, strlen($characters) - 1)];
    }
    $_SESSION['iflychat_guest_id'] = $iflychatId;
    $_SESSION['iflychat_guest_session'] = iflychat_compute_guest_session($_SESSION['iflychat_guest_id']);
    setrawcookie('iflychat_guest_id', rawurlencode($_SESSION['iflychat_guest_id']), time()+60*60*24*365);
    setrawcookie('iflychat_guest_session', rawurlencode($_SESSION['iflychat_guest_session']), time()+60*60*24*365);
   }
   return $_SESSION['iflychat_guest_id'];
}

function iflychat_get_user_pic_url()
{
  global $user_info, $modSettings, $settings;
  
  $url = '';

  if($modSettings['iflychat_theme'] == 1)
  {
    $iflychat_theme = 'light';
  }
  else
  {
    $iflychat_theme = 'dark';
  }
//  $id = $user_info['id'];
  $pUrl = $modSettings['avatar_url']. '/' .$user_info['avatar']['url'];
  if(empty($user_info['avatar']['url']))
  {
    $url = "{$settings['default_theme_url']}/iflychat-static/themes/{$iflychat_theme}/images/default_avatar.png";
  }
  else
  {
    $url = $pUrl;
  }

  $pos = strpos($url, ':');
  if($pos !== false)
  {
    $url = substr($url, $pos+1);
  }
  return $url;
}

function iflychat_get_user_profile_url()
{
  global $user_info;
  $id = $user_info['id'];
  $upl = getUserUrl($id);
  if($upl !== 'javascript:void(0);')
  {
    $pos = strpos($upl, ':');
    if($pos !== false)
    {
      $upl = substr($upl, $pos+1);
    }
  }
  return $upl;
}

function iflychat_compute_guest_session($id)
{
  return md5(substr($modSettings['iflychat_external_api_key'], 0, 5) . $id);
}

function check_plain($text)
{
  return htmlspecialchars($text, ENT_QUOTES, 'UTF-8');
}

function iflychat_get_random_name()
{
  global $settings;
  $path = "{$settings['default_theme_url']}/iflychat-static/guest_names/iflychat_guest_random_names.txt";
  $f_contents = file($path);
  $line = trim($f_contents[rand(0, count($f_contents) - 1)]);
  return $line;
}

function getUserUrl($id)
{
  global $scripturl;
  if($id != 0)
  {
    return $scripturl. '?action=profile;u=' . $id;
  }
  else
  {
    return 'javascript:void(0);';
  }
}

function iflychat_path_check() 
{
  $page_match = FALSE;
  if (trim(iflychat_get_option('iflychat_path_pages')) !== '')
  {
    if(function_exists('mb_strtolower')) {
      $pages = mb_strtolower(iflychat_get_option('iflychat_path_pages'));
      $path = mb_strtolower($_SERVER['REQUEST_URI']);
    }
    else {
      $pages = strtolower(iflychat_get_option('iflychat_path_pages'));
      $path = strtolower($_SERVER['REQUEST_URI']);
    }
    $page_match = iflychat_match_path($path, $pages);
  $page_match = (iflychat_get_option('iflychat_path_visibility') === '1')?(!$page_match):$page_match;
  }
  else if(iflychat_get_option('iflychat_path_visibility') == 1){
    $page_match = TRUE;
  }
  return $page_match;
}

function iflychat_match_path($path, $patterns) {
  $to_replace = array(
    '/(\r\n|\n)/',
    '/\\\\\*/',
  );
  $replacements = array(
    '|',
    '.*',
  );
  $patterns_quoted = preg_quote($patterns, '/');
  $regexps = '/^(' . preg_replace($to_replace, $replacements, $patterns_quoted) . ')$/';
  return (bool) preg_match($regexps, $path);
}

function iflychat_is_user_loggedin()
{
  global $user_info;
  if($user_info['is_guest'] != 1)
  {
    return TRUE;
  }
  else
  {
    return FALSE;
  }
}

function isSSL()
{
  global $scripturl;
  $ssl = explode(":", $scripturl);
  if($ssl[0] === 'https')
  {
    return TRUE;
  }
}

function iflychat_check_chat_admin()
{
  global $user_info;
  if($user_info['is_admin'] || allowedTo('user_iflychatpage'))
  {
    return TRUE;
  }
  else
  {
    return FALSE;
  }
}