Your IP : 216.73.216.224
<?php
/********************************************************************
Product : Flexicontact
Date : 24 June 2024
Copyright : Les Arbres Design 2010-2024
Contact : https://www.lesarbresdesign.info
Licence : GNU General Public License
*********************************************************************/
defined('_JEXEC') or die('Restricted access');
use Joomla\CMS\MVC\Model\BaseDatabaseModel;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Factory;
use Joomla\CMS\Session\Session;
class FlexicontactModelEmail extends BaseDatabaseModel
{
//--------------------------------------------------------------------------------
// Initialise the email model data
//
function init_data($config_data)
{
$this->data = new stdclass();
switch ($config_data->autofill)
{
case 'off':
$this->data->name = '';
$this->data->email = '';
break;
case 'username':
$user = Flexicontact_Utility::getUser();
$this->data->name = $user->username;
$this->data->email = $user->email;
break;
case 'name':
$user = Flexicontact_Utility::getUser();
$this->data->name = $user->name;
$this->data->email = $user->email;
break;
}
$this->data->subject = $config_data->default_subject;
$this->data->show_copy = '0';
$this->data->agreement_check = '0';
$this->data->_list1 = '';
$this->data->field1 = '';
$this->data->field2 = '';
$this->data->field3 = '';
$this->data->field4 = '';
$this->data->field5 = '';
$this->data->message = '';
$this->data->_magic_word = '';
$this->data->_pic_selected = '';
return $this->data;
}
//--------------------------------------------------------------------------------
// Get post data
//
function getPostData($config_data)
{
$this->init_data($config_data);
$jinput = Factory::getApplication()->input;
$this->data->name = $jinput->get('name', $this->data->name, 'STRING');
$this->data->email = $jinput->get('email', $this->data->email, 'STRING');
$this->data->subject = $jinput->get('subject', $config_data->default_subject, 'STRING');
if ($config_data->show_copy == LAFC_COPYME_CHECKBOX)
$this->data->show_copy = $jinput->get('copy_me', '0', 'INT'); // checkbox
else
$this->data->show_copy = '0';
$this->data->agreement_check = $jinput->get('agreement_check', '0', 'INT'); // checkbox
$this->data->_list1 = $jinput->get('list1', '', 'STRING');
$this->data->field1 = $jinput->get('field1', '', 'STRING');
$this->data->field2 = $jinput->get('field2', '', 'STRING');
$this->data->field3 = $jinput->get('field3', '', 'STRING');
$this->data->field4 = $jinput->get('field4', '', 'STRING');
$this->data->field5 = $jinput->get('field5', '', 'STRING');
$this->data->message = trim($jinput->get('message', '', 'STRING'));
$this->data->_magic_word = $jinput->get('magic_word', '', 'STRING');
$this->data->_pic_selected = $jinput->get('picselected', '-1', 'STRING');
return $this->data;
}
// -------------------------------------------------------------------------------
// Validate the user input
//
function validate(&$errors, $config_data)
{
$jinput = Factory::getApplication()->input;
$token = Session::getFormToken();
if (!$jinput->get($token, '', 'string')) // get token from form
{
FC_trace::trace("Session token not in form: $token - token check failed");
$errors['kill'] = 'Yes'; // tell the controller to kill the session
return;
}
FC_trace::trace("Session token ok: $token");
// if using image captcha, validate that the correct image was chosen
// if the user gets it wrong too many times, tell the controller to kill the session
if ($config_data->num_images > 0)
{
require_once(LAFC_HELPER_PATH.'/flexi_captcha.php');
$pic_selected = substr($this->data->_pic_selected,4); // strip off the fci_
$ret = Flexi_captcha::check($pic_selected, $config_data->num_images);
if ($ret == 1)
$errors['imageTest'] = Text::_('COM_FLEXICONTACT_WRONG_PICTURE');
if ($ret == 2)
{
FC_trace::trace("Too many captcha attempts");
$errors['kill'] = 'Yes'; // tell the controller to kill the session
return;
}
}
// if using magic word, validate the word
if (!empty($config_data->magic_word))
{
if (strcasecmp($this->data->_magic_word, $config_data->magic_word) != 0)
$errors['magic_word'] = Text::_('COM_FLEXICONTACT_WRONG_MAGIC_WORD');
}
// if using the Joomla captcha plugin, call its check function
if (!empty($config_data->joomla_captcha))
{
$plugin = Flexicontact_Utility::get_joomla_captcha();
if ($plugin) // if we can't get an instance, we can't test so the result is a PASS
{
try
{
if ($plugin->checkAnswer('') === false) // can throw a RuntimeException
{
FC_trace::trace("Joomla captcha plugin FAIL");
$errors['jcaptcha'] = Text::_('COM_FLEXICONTACT_CAPTCHA_WRONG');
}
else
FC_trace::trace("Joomla captcha plugin PASS");
}
catch (\RuntimeException $e)
{
$jcaptcha_error = $e->getMessage();
FC_trace::trace("Joomla captcha plugin exception so FAIL ($jcaptcha_error)");
$errors['bottom'] = Text::_('COM_FLEXICONTACT_CAPTCHA_WRONG');
}
}
}
// validate the from name
// three types of apostrophe are allowed: APOSTROPHE, LEFT SINGLE QUOTATION MARK, and RIGHT SINGLE QUOTATION MARK
if (empty($this->data->name))
$errors['name'] = Text::_('COM_FLEXICONTACT_REQUIRED');
else
{
if (strlen($this->data->name) < 2)
$errors['name'] = Text::_('COM_FLEXICONTACT_INVALID_NAME');
if (!preg_match("/^[ ,.'‘’\-\pL]+$/u",$this->data->name)) // \pL is the Unicode character class
$errors['name'] = Text::_('COM_FLEXICONTACT_INVALID_NAME');
if (strlen($this->data->name) > 60)
$this->data->name = mb_substr($this->data->name, 0, LAFC_MAX_NAME_LENGTH); // limit to length of log column
}
// validate the from address
if (empty($this->data->email))
$errors['email'] = Text::_('COM_FLEXICONTACT_REQUIRED');
elseif (!Flexicontact_Utility::is_email($this->data->email, false))
{
FC_trace::trace(" - Email address ".$this->data->email." is invalid");
$errors['email'] = Text::_('COM_FLEXICONTACT_BAD_EMAIL');
}
else
FC_trace::trace(" - Email address ".$this->data->email." is valid");
// validate the subject
if (($config_data->show_subject) && (empty($this->data->subject)))
$errors['subject'] = Text::_('COM_FLEXICONTACT_REQUIRED');
if (strlen($this->data->subject) > LAFC_MAX_SUBJECT_LENGTH)
$this->data->subject = mb_substr($this->data->subject, 0, LAFC_MAX_SUBJECT_LENGTH); // limit to size of log column
// validate the list selection
if (($config_data->list_opt == "mandatory") && (empty($this->data->_list1)))
$errors['list'] = Text::_('COM_FLEXICONTACT_SELECT_AN_OPTION');
// validate the user defined fields
if (($config_data->field_opt1 == "mandatory") && (empty($this->data->field1)))
$errors['field1'] = Text::_('COM_FLEXICONTACT_REQUIRED');
if (strlen($this->data->field1) > LAFC_MAX_VARCHAR_LENGTH)
$this->data->field1 = mb_substr($this->data->field1, 0, LAFC_MAX_VARCHAR_LENGTH);
if (($config_data->field_opt2 == "mandatory") && (empty($this->data->field2)))
$errors['field2'] = Text::_('COM_FLEXICONTACT_REQUIRED');
if (strlen($this->data->field2) > LAFC_MAX_VARCHAR_LENGTH)
$this->data->field2 = mb_substr($this->data->field2, 0, LAFC_MAX_VARCHAR_LENGTH);
if (($config_data->field_opt3 == "mandatory") && (empty($this->data->field3)))
$errors['field3'] = Text::_('COM_FLEXICONTACT_REQUIRED');
if (strlen($this->data->field3) > LAFC_MAX_VARCHAR_LENGTH)
$this->data->field3 = mb_substr($this->data->field3, 0, LAFC_MAX_VARCHAR_LENGTH);
if (($config_data->field_opt4 == "mandatory") && (empty($this->data->field4)))
$errors['field4'] = Text::_('COM_FLEXICONTACT_REQUIRED');
if (strlen($this->data->field4) > LAFC_MAX_VARCHAR_LENGTH)
$this->data->field4 = mb_substr($this->data->field4, 0, LAFC_MAX_VARCHAR_LENGTH);
if (($config_data->field_opt5 == "mandatory") && (empty($this->data->field5)))
$errors['field5'] = Text::_('COM_FLEXICONTACT_REQUIRED');
if (strlen($this->data->field5) > LAFC_MAX_VARCHAR_LENGTH)
$this->data->field5 = mb_substr($this->data->field5, 0, LAFC_MAX_VARCHAR_LENGTH);
// validate message
if (($config_data->area_opt == "mandatory") && (empty($this->data->message)))
$errors['message'] = Text::_('COM_FLEXICONTACT_REQUIRED');
if (strlen($this->data->message) > LAFC_MAX_MESSAGE_LENGTH)
$this->data->message = mb_substr($this->data->message, 0, LAFC_MAX_MESSAGE_LENGTH);
// check for blocked words
if (!empty($config_data->blocked_words))
{
if ($this->check_blocked_words($config_data, $response_array))
{
FC_trace::trace("Blocked word match found");
$errors['block'] = 'Yes';
return;
}
}
}
// -------------------------------------------------------------------------------
// Check all fields for blocked words
// returns true if it found a match (i.e. the message should be blocked)
// false if no matches found
//
function check_blocked_words($config_data, &$response_array)
{
$blocked_word_array = explode(',', $config_data->blocked_words);
$blocked_word_array = array_map('trim', $blocked_word_array);
foreach ($this->data as $field_id => $field_value)
{
foreach ($blocked_word_array as $blocked_word)
if (stristr($field_value, $blocked_word))
{
FC_trace::trace("Blocked word check found [$blocked_word] in $field_id [$field_value]");
return true;
}
}
return false;
}
//-----------------------------------------
// Get client's IP address
//
static function getIPaddress()
{
$input = Factory::getApplication()->input;
if (!empty($input->server->getString('REMOTE_ADDR','')))
$ip = $input->server->getString('REMOTE_ADDR','');
elseif (!empty($input->server->getString('HTTP_X_FORWARDED_FOR','')))
$ip = $input->server->getString('HTTP_X_FORWARDED_FOR','');
else $ip = $input->server->getString('HTTP_CLIENT_IP','');
return filter_var($ip, FILTER_VALIDATE_IP);
}
//-------------------------------------------------------------------------------
// Get client's browser
// Returns 99 for unknown, 0 for msie, 1 for Firefox, etc
//
function getBrowser(&$browser_name)
{
$input = Factory::getApplication()->input;
$u_agent = $input->server->getString('HTTP_USER_AGENT','');
if (strstr($u_agent, 'Edg'))
{
$browser_name = 'Edge';
return 7;
}
if (strstr($u_agent, 'MSIE') && !strstr($u_agent, 'Opera'))
{
$browser_name = 'MSIE';
return 0;
}
if (strstr($u_agent, 'Trident'))
{
$browser_name = 'MSIE';
return 0;
}
if (strstr($u_agent, 'Firefox'))
{
$browser_name = 'Firefox';
return 1;
}
if (strstr($u_agent, 'Chrome')) // must test for Chrome before Safari!
{
$browser_name = 'Chrome';
return 3;
}
if (strstr($u_agent, 'Safari'))
{
$browser_name = 'Safari';
return 2;
}
if (strstr($u_agent, 'Opera'))
{
$browser_name = 'Opera';
return 4;
}
$browser_name = 'Unknown Browser';
return 99;
}
//-------------------------------------------------------------------------------
// Resolve an email variable
//
function email_resolve($config_data, $variable)
{
if (!isset($this->data->name)) // this field is always mandatory so if we don't have it something is wrong
{
if ($variable == LAFC_T_FROM_NAME)
return '** Form data is missing **'; // should never happen
return '';
}
switch ($variable)
{
case LAFC_T_FROM_NAME:
return $this->data->name;
case LAFC_T_FROM_EMAIL:
return $this->data->email;
case LAFC_T_SUBJECT:
return $this->data->subject;
case LAFC_T_MESSAGE_PROMPT:
return $config_data->area_prompt;
case LAFC_T_MESSAGE_DATA:
if ($config_data->email_html)
$return_body = nl2br($this->data->message);
else
$return_body = $this->data->message;
return $return_body;
case LAFC_T_LIST_PROMPT:
return $config_data->list_prompt;
case LAFC_T_LIST_DATA:
return $this->data->list_choice;
case LAFC_T_FIELD1_PROMPT:
return $config_data->field_prompt1;
case LAFC_T_FIELD1_DATA:
return $this->data->field1;
case LAFC_T_FIELD2_PROMPT:
return $config_data->field_prompt2;
case LAFC_T_FIELD2_DATA:
return $this->data->field2;
case LAFC_T_FIELD3_PROMPT:
return $config_data->field_prompt3;
case LAFC_T_FIELD3_DATA:
return $this->data->field3;
case LAFC_T_FIELD4_PROMPT:
return $config_data->field_prompt4;
case LAFC_T_FIELD4_DATA:
return $this->data->field4;
case LAFC_T_FIELD5_PROMPT:
return $config_data->field_prompt5;
case LAFC_T_FIELD5_DATA:
return $this->data->field5;
case LAFC_T_BROWSER:
return $this->data->browser_string;
case LAFC_T_IP_ADDRESS:
return $this->data->ip;
case LAFC_T_SITE_NAME:
return Factory::getApplication()->get('sitename');
default: return '';
}
}
//-------------------------------------------------------------------------------
// Merge an email template with post data
//
function email_merge($template_text, $config_data)
{
$text = $template_text;
$variable_regex = "#%V_*(.*?)%#s";
preg_match_all($variable_regex, $text, $variable_matches, PREG_SET_ORDER);
foreach ($variable_matches as $match)
{
$resolved_text = $this->email_resolve($config_data, $match[0]);
$text = str_replace($match[0], $resolved_text, $text);
}
return $text;
}
// -------------------------------------------------------------------------------
// Send the email
// Returns 1 for ok, or an error message on failure
//
function sendEmail($config_data)
{
$app = Factory::getApplication();
$this->data->ip = $this->getIPaddress();
$this->data->browser_id = $this->getBrowser($this->data->browser_string);
$this->data->admin_email = $config_data->toPrimary;
$this->data->admin_from_email = $app->get('mailfrom');
$this->data->admin_reply_to_email = $this->data->email; // the email address entered on the contact form
$this->data->config_show_copy = $config_data->show_copy;
$this->data->user_from_email = '';
if (($this->data->_list1 != '') && (isset($config_data->list_array[$this->data->_list1])))
$this->data->list_choice = $config_data->list_array[$this->data->_list1];
else
$this->data->list_choice = '';
// build the admin message
$this->data->admin_email_body = $this->email_merge($config_data->admin_template, $config_data);
$this->data->admin_email_subject = $this->email_merge($config_data->admin_subject, $config_data);
if ($config_data->toPrimary == 'demo@demo.demo') // demo mode, do not send email
{
FC_trace::trace("sendEmail: Demo mode, no email sent");
$this->data->status_main = 'Demo mode, no email sent';
$this->data->status_copy = '0';
return '1';
}
if ($app->get('mailonline',0) == 0)
{
FC_trace::trace("sendEmail: emailing is disabled in Joomla");
$this->data->status_main = Text::_('JDISABLED');
$this->data->status_copy = '0';
return Text::_('JDISABLED');
}
// build the Joomla mail object - can throw a phpmailerException
// we don't call $mail->setSender() - the Joomla default is mailfrom and fromname in Joomla Global Config
try
{
$mail = Factory::getMailer();
if ($config_data->email_html)
$mail->IsHTML(true);
else
$this->data->admin_email_body = self::html2text($this->data->admin_email_body);
$mail->addRecipient($config_data->toPrimary);
if (!empty($config_data->ccAddress))
$mail->addCC($config_data->ccAddress);
if (!empty($config_data->bccAddress))
$mail->addBCC($config_data->bccAddress);
$mail->addReplyTo($this->data->email, $this->data->name);
$mail->setSubject($this->data->admin_email_subject);
$mail->setBody($this->data->admin_email_body);
if (FC_trace::tracing())
FC_trace::trace("=====> Sending admin email: ".print_r($mail,true));
$ret_main = $mail->Send();
FC_trace::trace("Returned from Joomla Send mail (admin) function");
}
catch (Exception $e)
{
$e_msg = $e->getMessage();
$e_code = $e->getCode();
$this->data->status_main = "$e_msg [$e_code]";
$this->data->status_copy = '0'; // we are not going to try the user email
FC_trace::trace("Joomla Mail exception (admin email): [$e_msg] [$e_code] \nStack Trace:\n".$e->getTraceAsString());
return $this->data->status_main;
}
if ($ret_main === true)
{
$this->data->status_main = '1';
FC_trace::trace("=====> Admin email sent ok");
}
else
{
$this->data->status_main = $mail->ErrorInfo;
FC_trace::trace("=====> Admin email send failed: ".$mail->ErrorInfo);
}
// if we should send the user a copy, send it separately
if (($config_data->show_copy == LAFC_COPYME_ALWAYS) || ($this->data->show_copy == '1'))
{
FC_trace::trace("Sending copy email to user");
$this->data->user_from_email = $app->get('mailfrom'); // for the log
$this->data->user_email_body = $this->email_merge($config_data->user_template, $config_data);
$this->data->user_email_subject = $this->email_merge($config_data->user_subject, $config_data);
$mail = Factory::getMailer();
if ($config_data->email_html)
$mail->IsHTML(true);
else
$this->data->user_email_body = self::html2text($this->data->user_email_body);
try
{
if (function_exists('escapeshellarg')) // 12.14.03 handle sites that don't have escapeshellarg
$mail->setSender(array($app->get('mailfrom'), $app->get('fromname'))); // with no sender, PHPMailer won't call escapeshellarg
else
FC_trace::trace("******* NOT SETTING SENDER BECAUSE THE escapeshellarg FUNCTION DOES NOT EXIST");
$mail->addRecipient($this->data->email);
$mail->setSubject($this->data->user_email_subject);
$mail->setBody($this->data->user_email_body);
if (FC_trace::tracing())
FC_trace::trace("=====> Sending user email: ".print_r($mail,true));
$ret_copy = $mail->Send();
}
catch (Exception $e)
{
$e_msg = $e->getMessage();
$e_code = $e->getCode();
$this->data->status_copy = "$e_msg [$e_code]";
FC_trace::trace("Joomla Mail exception (user email): [$e_msg] [$e_code] \nStack Trace:\n".$e->getTraceAsString());
return $this->data->status_copy;
}
if ($ret_copy === true)
{
$this->data->status_copy = '1';
FC_trace::trace("=====> User email sent ok");
}
else
{
$this->data->status_copy = $mail->ErrorInfo;
FC_trace::trace("=====> User email send failed: ".$mail->ErrorInfo);
}
}
else
{
FC_trace::trace("Not sending copy email to user");
$this->data->status_copy = '0'; // copy not requested
}
return $this->data->status_main; // both statuses are logged, but the main status decides what happens next
}
//-------------------------------------------------------------------------------
// Validate the email addresses configured in the menu item
// - this is called from the front end controller prior to displaying the contact form
//
function email_check($config_data)
{
$msg = '';
$lang = Factory::getLanguage();
$lang->load(strtolower(LAFC_COMPONENT), JPATH_ADMINISTRATOR.'/components/com_flexicontact'); // load the back end language file
if (isset($config_data->toPrimary))
{
if (!Flexicontact_Utility::is_email($config_data->toPrimary, false))
$msg .= '('.Text::_('COM_FLEXICONTACT_V_EMAIL_TO').')';
}
else
$msg .= '('.Text::_('COM_FLEXICONTACT_V_EMAIL_TO').')';
if (isset($config_data->ccAddress))
{
if (!Flexicontact_Utility::is_email($config_data->ccAddress))
$msg .= ' ('.Text::_('COM_FLEXICONTACT_V_EMAIL_CC').')';
}
if (isset($config_data->bccAddress))
{
if (!Flexicontact_Utility::is_email($config_data->bccAddress))
$msg .= ' ('.Text::_('COM_FLEXICONTACT_V_EMAIL_BCC').')';
}
if ($msg != '')
$msg = Text::_('COM_FLEXICONTACT_BAD_CONFIG_EMAIL').' - '.$msg;
return $msg;
}
// -------------------------------------------------------------------------------
// Convert html to plain text with new lines
//
function html2text($html)
{
$str = preg_replace('#<br */?>#i', "\n", $html);
$str = preg_replace('#<p ?.*?>#i', "\n", $str);
$str = strip_tags($str);
$str = preg_replace("/[\r\n]+/", "\n", $str); // replace multiple newlines with one
return $str;
}
}