Contact Controller
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<?php defined('BASEPATH') OR exit('No direct script access allowed'); class Contact extends Public_Controller { /** * Constructor */ function __construct() { parent::__construct(); // load the model file $this->load->model('contact_model'); $this->load->model('notifications_model'); // load the captcha helper $this->load->helper('captcha'); } /************************************************************************************** * PUBLIC FUNCTIONS **************************************************************************************/ /** * Default */ public function index() { // validators $this->form_validation->set_error_delimiters($this->config->item('error_delimeter_left'), $this->config->item('error_delimeter_right')); $this->form_validation->set_rules('name', lang('contacts_name'), 'required|trim|max_length[64]'); $this->form_validation->set_rules('email', lang('contacts_email'), 'required|trim|valid_email|min_length[10]|max_length[256]'); $this->form_validation->set_rules('title', lang('common_title'), 'required|trim|max_length[128]'); $this->form_validation->set_rules('message', lang('contacts_message'), 'required|trim|min_length[10]'); $this->form_validation->set_rules('captcha', lang('contacts_captcha'), 'required|trim|callback__check_captcha'); if ($this->form_validation->run() == TRUE) { // attempt to save and send the message $post_data = $this->security->xss_clean($this->input->post()); $saved_and_sent = $this->contact_model->save_and_send_message($post_data, $this->settings); if ($saved_and_sent) { $notification = array( 'users_id' => 1, 'n_type' => 'contacts', 'n_content' => 'noti_new_message', 'n_url' => site_url('admin/contacts'), ); $this->notifications_model->save_notifications($notification); // redirect to home page $this->session->set_flashdata('message', sprintf(lang('contacts_send_success'), $this->input->post('name', TRUE))); redirect(site_url('contact')); } else { // stay on contact page $this->error = sprintf(lang('contacts_error_send_failed'), $this->input->post('name', TRUE)); } } // create captcha image $captcha = create_captcha(array( 'img_path' => "./captcha/", 'img_url' => base_url('/captcha') . "/", 'font_path' => FCPATH . "themes/core/fonts/bromine/Bromine.ttf", 'img_width' => 300, 'img_height' => 100 )); $captcha_data = array( 'captcha_time' => $captcha['time'], 'ip_address' => $this->input->ip_address(), 'word' => $captcha['word'] ); // store captcha image $this->contact_model->save_captcha($captcha_data); // setup page header data $this ->add_js_theme( "pages/contact/index.js") ->set_title( lang('menu_contact') ); $data = $this->includes; // set content data $content_data = array( 'captcha_image' => $captcha['image'] ); // load views $data['content'] = $this->load->view('contact_form', $content_data, TRUE); $this->load->view($this->template, $data); } /************************************************************************************** * PRIVATE VALIDATION CALLBACK FUNCTIONS **************************************************************************************/ /** * Verifies correct CAPTCHA value * * @param string $captcha * @return string|boolean */ function _check_captcha($captcha) { $verified = $this->contact_model->verify_captcha($captcha); if ($verified == FALSE) { $this->form_validation->set_message('_check_captcha', lang('contacts_error_captcha')); return FALSE; } else { return $captcha; } } } |
Contact_form.php – view
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<?php defined('BASEPATH') OR exit('No direct script access allowed'); ?> <!-- Section --> <section class="bg-lgrey"> <div class="container"> <div class="row"> <div class="col-sm-offset-1 col-sm-4"> <!-- Title --> <div class="title-container sm text-left"> <div class="title-wrap"> <h5 class="title"><?php echo lang('menu_contact') ?></h5> <span class="separator line-separator"></span> </div> </div><!-- Title --> <div class="contact-info"> <div class="info-icon bg-dark"> <i class="uni-map2"></i> </div> <h5 class="title"><?php echo lang('contacts_office') ?></h5> <p><?php echo $this->settings->institute_name ?></p> <p><?php echo $this->settings->institute_address ?></p> </div><!-- Contact Info --> <div class="contact-info margin-top-30"> <div class="info-icon bg-dark"> <i class="uni-mail"></i> </div> <h5 class="title"><?php echo lang('menu_contact') ?></h5> <p><a href="mailto:<?php echo $this->settings->site_email ?>"><?php echo $this->settings->site_email ?></a></p> <p><a href="tel:<?php echo $this->settings->institute_phone ?>"><?php echo $this->settings->institute_phone ?></a></p> </div><!-- Contact Info --> </div><!-- Column --> <div class="col-sm-6"> <!-- Title --> <div class="title-container sm text-left"> <div class="title-wrap"> <h5 class="title"><?php echo lang('contacts_get_in_touch') ?></h5> <span class="separator line-separator"></span> </div> </div><!-- Title --> <div class="contact-info"> <div class="info-icon bg-dark"> <i class="uni-fountain-pen"></i> </div> <?php echo form_open('', array('role'=>'form', 'id'=>'form-create')); ?> <div class="input-text form-group<?php echo form_error('name') ? ' has-error' : ''; ?>"> <?php echo form_label(lang('contacts_name'), 'name', array('class'=>'control-label')); ?> <span class="required">*</span> <?php echo form_input(array('name'=>'name', 'value'=>set_value('name'), 'class'=>'form-control input-name')); ?> </div> <div class="input-email form-group <?php echo form_error('email') ? ' has-error' : ''; ?>"> <?php echo form_label(lang('contacts_email'), 'email', array('class'=>'control-label')); ?> <span class="required">*</span> <?php echo form_input(array('name'=>'email', 'value'=>set_value('email'), 'class'=>'form-control input-email')); ?> </div> <div class="input-text form-group <?php echo form_error('title') ? ' has-error' : ''; ?>"> <?php echo form_label(lang('common_title'), 'title', array('class'=>'control-label')); ?> <span class="required">*</span> <?php echo form_input(array('name'=>'title', 'value'=>set_value('title'), 'class'=>'form-control input-text ')); ?> </div> <div class="textarea-message form-group <?php echo form_error('message') ? ' has-error' : ''; ?>"> <?php echo form_label(lang('contacts_message'), 'message', array('class'=>'control-label')); ?> <span class="required">*</span> <?php echo form_textarea(array('name'=>'message', 'value'=>set_value('message'), 'class'=>'form-control textarea-message')); ?> </div> <div class="form-group textarea-message <?php echo form_error('captcha') ? ' has-error' : ''; ?>"> <?php echo form_label(lang('contacts_captcha'), 'captcha', array('class'=>'control-label')); ?> <br /> <?php echo $captcha_image; ?> <?php echo form_input(array('name'=>'captcha', 'id'=>'captcha', 'value'=>"", 'class'=>'form-control textarea-message')); ?> </div> <button type="submit" name="submit" class="btn"><i class="fa fa-send"></i> <?php echo lang('contacts_send_message') ?></button> <span id="submit-loader"></span> <?php echo form_close(); ?> </div><!-- Contact Info --> </div><!-- Column --> </div><!-- Row --> </div><!-- Container --> </section><!-- Section --> |
Contact_model
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<?php defined('BASEPATH') OR exit('No direct script access allowed'); /** * Contact Model * * This model handles contacts module data * */ class Contact_model extends CI_Model { /** * @vars */ private $_db; /** * Constructor */ function __construct() { parent::__construct(); // define primary table $this->_db = 'emails'; } /** * Save generated CAPTCHA to database * * @param array $data * @return boolean */ public function save_captcha($data = array()) { // CAPTCHA data required if ($data) { // insert CAPTCHA $query = $this->db->insert_string('captcha', $data); $this->db->query($query); // return return TRUE; } return FALSE; } /** * Verify CAPTCHA * * @param string $captcha * @return boolean */ public function verify_captcha($captcha = NULL) { // CAPTCHA string required if ($captcha) { // remove old CAPTCHA $expiration = time() - 7200; // 2-hour limit $this->db->query("DELETE FROM captcha WHERE captcha_time < {$expiration}"); // build query $sql = " SELECT COUNT(*) AS count FROM captcha WHERE word = " . $this->db->escape($captcha) . " AND ip_address = '" . $this->input->ip_address() . "' AND captcha_time > '{$expiration}' "; // execute query $query = $this->db->query($sql); // return results if ($query->row()->count > 0) { return TRUE; } } return FALSE; } /** * Save and email contact message * * @param array $data * @param array $settings * @return boolean */ public function save_and_send_message($data=array(), $settings=array()) { // post data and settings required if ($data && $settings) { // build query $sql = " INSERT INTO {$this->_db} ( name, email, title, message, created ) VALUES ( " . $this->db->escape($data['name']) . ", " . $this->db->escape($data['email']) . ", " . $this->db->escape($data['title']) . ", " . $this->db->escape($data['message']) . ", '" . date('Y-m-d H:i:s') . "' ) "; // execute query $this->db->query($sql); if ($id = $this->db->insert_id() && $_SERVER['HTTP_HOST'] !== 'localhost') { try { // send email $this->email->from($data['email'], $data['name']); $this->email->to($settings->site_email); $this->email->subject($data['title']); $this->email->message($data['message']); $send_mail = @$this->email->send(); #echo $this->email->print_debugger(); if ($send_mail) { return TRUE; } else { // send mail failed - remove message from database $this->db->query("DELETE FROM {$this->_db} WHERE id = {$id}"); } } catch (Exception $e) { // send mail failed - remove message from database $this->db->query("DELETE FROM {$this->_db} WHERE id = {$id}"); } } else { return TRUE; } } return FALSE; } /** * Get list of non-deleted users * * @param int $limit * @param int $offset * @param array $filters * @param string $sort * @param string $dir * @return array|boolean */ function get_all($limit = 0, $offset = 0, $filters = array(), $sort = 'created', $dir = 'DESC') { // start building query $sql = " SELECT SQL_CALC_FOUND_ROWS * FROM {$this->_db} WHERE 1 = 1 "; // apply filters if ( ! empty($filters)) { foreach ($filters as $key=>$value) { $value = $this->db->escape('%' . $value . '%'); $sql .= " AND {$key} LIKE {$value}"; } } // continue building query $sql .= " ORDER BY {$sort} {$dir}"; // add limit and offset if ($limit) { $sql .= " LIMIT {$offset}, {$limit}"; } // execute query $query = $this->db->query($sql); // define results if ($query->num_rows() > 0) { $results['results'] = $query->result_array(); } else { $results['results'] = NULL; } // get total count $sql = "SELECT FOUND_ROWS() AS total"; $query = $this->db->query($sql); $results['total'] = $query->row()->total; // return results return $results; } /** * Set email message as read * * @param int $id * @param int $read_by * @return boolean */ public function read($id = NULL, $read_by = NULL) { // data required if ($id and $read_by) { // build query string $sql = " UPDATE {$this->_db} SET `read` = '" . date('Y-m-d H:i:s') . "', read_by = {$read_by} WHERE id = {$id} "; // execute query $this->db->query($sql); // return results if ($this->db->affected_rows()) { return TRUE; } } return FALSE; } } /*Contact model ends*/ |
Captcha Helper
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<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014 - 2018, British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @package CodeIgniter * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) * @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/) * @license http://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 1.0.0 * @filesource */ defined('BASEPATH') OR exit('No direct script access allowed'); /** * CodeIgniter CAPTCHA Helper * * @package CodeIgniter * @subpackage Helpers * @category Helpers * @author EllisLab Dev Team * @link https://codeigniter.com/user_guide/helpers/captcha_helper.html */ // ------------------------------------------------------------------------ if ( ! function_exists('create_captcha')) { /** * Create CAPTCHA * * @param array $data Data for the CAPTCHA * @param string $img_path Path to create the image in (deprecated) * @param string $img_url URL to the CAPTCHA image folder (deprecated) * @param string $font_path Server path to font (deprecated) * @return string */ function create_captcha($data = '', $img_path = '', $img_url = '', $font_path = '') { $defaults = array( 'word' => '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_path' => '', 'expiration' => 7200, 'word_length' => 8, 'font_size' => 16, 'img_id' => '', 'pool' => '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', 'colors' => array( 'background' => array(255,255,255), 'border' => array(153,102,102), 'text' => array(204,153,153), 'grid' => array(255,182,182) ) ); foreach ($defaults as $key => $val) { if ( ! is_array($data) && empty($$key)) { $$key = $val; } else { $$key = isset($data[$key]) ? $data[$key] : $val; } } if ($img_path === '' OR $img_url === '' OR ! is_dir($img_path) OR ! is_really_writable($img_path) OR ! extension_loaded('gd')) { return FALSE; } // ----------------------------------- // Remove old images // ----------------------------------- $now = microtime(TRUE); $current_dir = @opendir($img_path); while ($filename = @readdir($current_dir)) { if (in_array(substr($filename, -4), array('.jpg', '.png')) && (str_replace(array('.jpg', '.png'), '', $filename) + $expiration) < $now) { @unlink($img_path.$filename); } } @closedir($current_dir); // ----------------------------------- // Do we have a "word" yet? // ----------------------------------- if (empty($word)) { $word = ''; $pool_length = strlen($pool); $rand_max = $pool_length - 1; // PHP7 or a suitable polyfill if (function_exists('random_int')) { try { for ($i = 0; $i < $word_length; $i++) { $word .= $pool[random_int(0, $rand_max)]; } } catch (Exception $e) { // This means fallback to the next possible // alternative to random_int() $word = ''; } } } if (empty($word)) { // Nobody will have a larger character pool than // 256 characters, but let's handle it just in case ... // // No, I do not care that the fallback to mt_rand() can // handle it; if you trigger this, you're very obviously // trying to break it. -- Narf if ($pool_length > 256) { return FALSE; } // We'll try using the operating system's PRNG first, // which we can access through CI_Security::get_random_bytes() $security = get_instance()->security; // To avoid numerous get_random_bytes() calls, we'll // just try fetching as much bytes as we need at once. if (($bytes = $security->get_random_bytes($pool_length)) !== FALSE) { $byte_index = $word_index = 0; while ($word_index < $word_length) { // Do we have more random data to use? // It could be exhausted by previous iterations // ignoring bytes higher than $rand_max. if ($byte_index === $pool_length) { // No failures should be possible if the // first get_random_bytes() call didn't // return FALSE, but still ... for ($i = 0; $i < 5; $i++) { if (($bytes = $security->get_random_bytes($pool_length)) === FALSE) { continue; } $byte_index = 0; break; } if ($bytes === FALSE) { // Sadly, this means fallback to mt_rand() $word = ''; break; } } list(, $rand_index) = unpack('C', $bytes[$byte_index++]); if ($rand_index > $rand_max) { continue; } $word .= $pool[$rand_index]; $word_index++; } } } if (empty($word)) { for ($i = 0; $i < $word_length; $i++) { $word .= $pool[mt_rand(0, $rand_max)]; } } elseif ( ! is_string($word)) { $word = (string) $word; } // ----------------------------------- // Determine angle and position // ----------------------------------- $length = strlen($word); $angle = ($length >= 6) ? mt_rand(-($length-6), ($length-6)) : 0; $x_axis = mt_rand(6, (360/$length)-16); $y_axis = ($angle >= 0) ? mt_rand($img_height, $img_width) : mt_rand(6, $img_height); // Create image // PHP.net recommends imagecreatetruecolor(), but it isn't always available $im = function_exists('imagecreatetruecolor') ? imagecreatetruecolor($img_width, $img_height) : imagecreate($img_width, $img_height); // ----------------------------------- // Assign colors // ---------------------------------- is_array($colors) OR $colors = $defaults['colors']; foreach (array_keys($defaults['colors']) as $key) { // Check for a possible missing value is_array($colors[$key]) OR $colors[$key] = $defaults['colors'][$key]; $colors[$key] = imagecolorallocate($im, $colors[$key][0], $colors[$key][1], $colors[$key][2]); } // Create the rectangle ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $colors['background']); // ----------------------------------- // Create the spiral pattern // ----------------------------------- $theta = 1; $thetac = 7; $radius = 16; $circles = 20; $points = 32; for ($i = 0, $cp = ($circles * $points) - 1; $i < $cp; $i++) { $theta += $thetac; $rad = $radius * ($i / $points); $x = ($rad * cos($theta)) + $x_axis; $y = ($rad * sin($theta)) + $y_axis; $theta += $thetac; $rad1 = $radius * (($i + 1) / $points); $x1 = ($rad1 * cos($theta)) + $x_axis; $y1 = ($rad1 * sin($theta)) + $y_axis; imageline($im, $x, $y, $x1, $y1, $colors['grid']); $theta -= $thetac; } // ----------------------------------- // Write the text // ----------------------------------- $use_font = ($font_path !== '' && file_exists($font_path) && function_exists('imagettftext')); if ($use_font === FALSE) { ($font_size > 5) && $font_size = 5; $x = mt_rand(0, $img_width / ($length / 3)); $y = 0; } else { ($font_size > 30) && $font_size = 30; $x = mt_rand(0, $img_width / ($length / 1.5)); $y = $font_size + 2; } for ($i = 0; $i < $length; $i++) { if ($use_font === FALSE) { $y = mt_rand(0 , $img_height / 2); imagestring($im, $font_size, $x, $y, $word[$i], $colors['text']); $x += ($font_size * 2); } else { $y = mt_rand($img_height / 2, $img_height - 3); imagettftext($im, $font_size, $angle, $x, $y, $colors['text'], $font_path, $word[$i]); $x += $font_size; } } // Create the border imagerectangle($im, 0, 0, $img_width - 1, $img_height - 1, $colors['border']); // ----------------------------------- // Generate the image // ----------------------------------- $img_url = rtrim($img_url, '/').'/'; if (function_exists('imagejpeg')) { $img_filename = $now.'.jpg'; imagejpeg($im, $img_path.$img_filename); } elseif (function_exists('imagepng')) { $img_filename = $now.'.png'; imagepng($im, $img_path.$img_filename); } else { return FALSE; } $img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_url.$img_filename.'" style="width: '.$img_width.'; height: '.$img_height .'; border: 0;" alt=" " />'; ImageDestroy($im); return array('word' => $word, 'time' => $now, 'image' => $img, 'filename' => $img_filename); } } |
Notifications_model
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<?php defined('BASEPATH') OR exit('No direct script access allowed'); /** * Notifications Model * * This model handles notifications module data * * @package institutebit */ class Notifications_model extends CI_Model { /** * Constructor */ function __construct() { parent::__construct(); } /** * @vars */ private $table = 'notifications'; /** * get_notifications * * @return array * **/ public function get_notifications($users_id = NULL) { $query = "SELECT `id` FROM $this->table WHERE `users_id` = '1' GROUP BY `n_type`"; if( $this->db->simple_query($query) ) { // safe mode is off $select = array( "$this->table.id", "COUNT($this->table.n_type) as total", "$this->table.n_type", "$this->table.n_content", "$this->table.n_url", "$this->table.date_added", ); } else { // safe mode is on $select = array( "ANY_VALUE($this->table.id) as id", "COUNT($this->table.n_type) as total", "$this->table.n_type", "ANY_VALUE($this->table.n_content) as n_content", "ANY_VALUE($this->table.n_url) as n_url", "ANY_VALUE($this->table.date_added) as date_added", ); } return $this->db->select($select) ->where(array("$this->table.users_id"=>$users_id)) ->group_by("$this->table.n_type") ->get($this->table) ->result(); } /** * save_notifications * * @return array * **/ public function save_notifications($data = array()) { $this->db->insert($this->table, $data); return $this->db->insert_id(); } /** * delete_notifications * * @return array * **/ public function delete_notifications($n_type = NULL, $users_id = NULL) { if($n_type && $users_id) // update $this->db->delete($this->table, array('n_type' => $n_type, 'users_id'=>$users_id)); if($this->db->affected_rows()) return TRUE; return FALSE; } } /* Notifications model ends*/ |
Database
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CREATE TABLE `notifications` ( `id` int(11) NOT NULL, `n_type` enum('batches','events','bbookings','ebookings','contacts','users','b_cancellation','e_cancellation') DEFAULT NULL, `n_content` varchar(128) DEFAULT NULL, `n_url` text, `is_read` tinyint(1) NOT NULL DEFAULT '0', `users_id` int(11) DEFAULT NULL, `date_added` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ) ENGINE=InnoDB DEFAULT CHARSET=utf8; ALTER TABLE `notifications` ADD PRIMARY KEY (`id`); ALTER TABLE `notifications` MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=1; CREATE TABLE `captcha` ( `captcha_id` bigint(13) UNSIGNED NOT NULL, `captcha_time` int(10) UNSIGNED DEFAULT NULL, `ip_address` varchar(16) NOT NULL DEFAULT '0', `word` varchar(20) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8; ALTER TABLE `captcha` ADD PRIMARY KEY (`captcha_id`), ADD KEY `word` (`word`); ALTER TABLE `captcha` MODIFY `captcha_id` bigint(13) UNSIGNED NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=1; |