/**
* Returns list of allowed attachment formats.
*
* @return array
*/
public function getAllowedFormats()
{
$validFormats = array();
if ($this->options->isOptionEnabled('enable_attachments_uploader')) {
$formats = $this->options->getEncodedOption('attachments_file_formats');
$formatsSplited = preg_split('/,/', $formats);
if (is_array($formatsSplited)) {
foreach ($formatsSplited as $format) {
$proposedFormat = strtolower(trim($format));
if (!in_array($proposedFormat, $this->securityExcludedFormats)) {
$validFormats[] = $proposedFormat;
}
}
}
}
return $validFormats;
}
/**
* @return string
*/
private function getEndpointBase()
{
$endpointBase = get_site_url() . '/wp-admin/admin-ajax.php';
if ($this->options->getEncodedOption('ajax_engine', null) === 'lightweight') {
$endpointBase = get_site_url() . '/wp-content/plugins/wise-chat/src/endpoints/';
}
return $endpointBase;
}
/**
* Returns all messages from the given channel and (optionally) beginning from the given offset.
* Limit, order and admin messages inclusion are taken from the plugin's options.
*
* @param string $channelName Name of the channel
* @param integer $fromId Begin from specific message ID
*
* @return WiseChatMessage[]
*/
public function getAllByChannelNameAndOffset($channelName, $fromId = null)
{
$orderMode = $this->options->getEncodedOption('messages_order', '');
$criteria = new WiseChatMessagesCriteria();
$criteria->setChannelName($channelName);
$criteria->setOffsetId($fromId);
$criteria->setIncludeAdminMessages($this->usersDAO->isWpUserAdminLogged());
$criteria->setLimit($this->options->getIntegerOption('messages_limit', 100));
$criteria->setOrderMode($orderMode == WiseChatMessagesCriteria::ORDER_DESCENDING ? $orderMode : WiseChatMessagesCriteria::ORDER_ASCENDING);
return $this->messagesDAO->getAllByCriteria($criteria);
}
/**
* Callback method for displaying select field with a hint. If the property is not defined the default value is used.
*
* @param array $args Array containing keys: id, name, hint, options
*
* @return null
*/
public function selectCallback($args)
{
$id = $args['id'];
$hint = $args['hint'];
$options = $args['options'];
$defaults = $this->getDefaultValues();
$defaultValue = array_key_exists($id, $defaults) ? $defaults[$id] : '';
$value = $this->options->getEncodedOption($id, $defaultValue);
$parentId = $this->getFieldParent($id);
$optionsHtml = '';
foreach ($options as $name => $label) {
$optionsHtml .= sprintf("<option value='%s'%s>%s</option>", $name, $name == $value ? ' selected="1"' : '', $label);
}
printf('<select id="%s" name="' . WiseChatOptions::OPTIONS_NAME . '[%s]" %s data-parent-field="%s">%s</select>', $id, $id, $parentId != null && !$this->options->isOptionEnabled($parentId, false) ? ' disabled="1" ' : '', $parentId != null ? $parentId : '', $optionsHtml);
if (strlen($hint) > 0) {
printf('<p class="description">%s</p>', $hint);
}
}
/**
* Returns information about the image stored in the temporary file.
* If the file is not an image an exception is thrown.
*
* @param boolean $safeResize
*
* @return array
* @throws \Exception
*/
private function getTempFileImageInfo($safeResize)
{
$fileInfo = file_exists($this->tempFileName) ? getimagesize($this->tempFileName) : null;
if (is_array($fileInfo)) {
$mimeType = $fileInfo['mime'];
if (!array_key_exists($mimeType, $this->supportedExtensions)) {
$this->logError('Unsupported mime type: ' . $mimeType);
throw new Exception($this->options->getEncodedOption('message_error_7', 'Unsupported type of file'));
}
$fileName = date('Ymd-His') . '-' . uniqid(rand()) . '.' . $this->supportedExtensions[$mimeType];
if ($safeResize) {
$imageEditor = WiseChatContainer::get('services/WiseChatImageEditor');
$imageEditor->load($this->tempFileName);
$imageEditor->resize($this->options->getIntegerOption('images_width_limit', 1000), $this->options->getIntegerOption('images_height_limit', 1000));
$imageEditor->build();
}
return $_FILES[self::UPLOAD_FILE_NAME] = array('name' => $fileName, 'type' => $mimeType, 'tmp_name' => $this->tempFileName, 'error' => 0, 'size' => filesize($this->tempFileName));
}
$this->logError('The file is not an image');
throw new Exception($this->options->getEncodedOption('message_error_7', 'Unsupported type of file'));
}
private function getThemeProperty($property)
{
$theme = $this->options->getEncodedOption('theme', '');
return self::$themesSettings[$theme][$property];
}
/**
* Returns the form which allows to enter username.
*
* @param string|null $errorMessage
*
* @return string HTML source
* @throws Exception
*/
public function getRenderedUserNameForm($errorMessage = null)
{
$this->templater->setTemplateFile(WiseChatThemes::getInstance()->getUserNameFormTemplate());
$data = array('themeStyles' => $this->options->getBaseDir() . WiseChatThemes::getInstance()->getCss(), 'windowTitle' => $this->options->getEncodedOption('window_title', ''), 'errorMessage' => $errorMessage, 'messageLogin' => $this->options->getEncodedOption('message_login', 'Log in'), 'messageEnterUserName' => $this->options->getEncodedOption('message_enter_user_name', 'Enter your username'));
return $this->templater->render($data);
}
/**
* @throws Exception
*/
private function checkChatOpen()
{
if (!$this->service->isChatOpen()) {
throw new Exception($this->options->getEncodedOption('message_error_5', 'The chat is closed now'));
}
}
