mirror of
https://github.com/opensourcepos/opensourcepos.git
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126 lines
2.8 KiB
PHP
126 lines
2.8 KiB
PHP
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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class Login extends CI_Controller
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{
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public function index()
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{
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$this->load->library('migration');
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if($this->Employee->is_logged_in())
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{
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redirect('home');
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}
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else
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{
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$this->form_validation->set_error_delimiters('<div class="error">', '</div>');
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$this->form_validation->set_rules('username', 'lang:login_username', 'required|callback_login_check');
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if($this->form_validation->run() == FALSE)
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{
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$this->load->view('login');
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}
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else
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{
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redirect('home');
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}
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}
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}
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public function login_check($username)
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{
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if(!$this->installation_check())
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{
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$this->form_validation->set_message('login_check', $this->lang->line('login_invalid_installation'));
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return FALSE;
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}
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if(!$this->migration->is_latest())
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{
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set_time_limit(3600);
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// trigger any required upgrade before starting the application
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$this->migration->latest();
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}
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$password = $this->input->post('password');
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if(!$this->Employee->login($username, $password))
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{
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$this->form_validation->set_message('login_check', $this->lang->line('login_invalid_username_and_password'));
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return FALSE;
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}
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if($this->config->item('gcaptcha_enable'))
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{
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$g_recaptcha_response = $this->input->post('g-recaptcha-response');
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if(!$this->gcaptcha_check($g_recaptcha_response))
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{
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$this->form_validation->set_message('login_check', $this->lang->line('login_invalid_gcaptcha'));
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return FALSE;
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}
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}
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return TRUE;
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}
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private function gcaptcha_check($response)
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{
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if(!empty($response))
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{
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$check = array(
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'secret' => $this->config->item('gcaptcha_secret_key'),
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'response' => $response,
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'remoteip' => $this->input->ip_address()
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);
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, "https://www.google.com/recaptcha/api/siteverify");
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curl_setopt($ch, CURLOPT_POST, TRUE);
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curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($check));
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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$result = curl_exec($ch);
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curl_close($ch);
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$status = json_decode($result, TRUE);
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if(!empty($status['success']))
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{
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return TRUE;
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}
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}
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return FALSE;
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}
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private function installation_check()
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{
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// get PHP extensions and check that the required ones are installed
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$extensions = implode(', ', get_loaded_extensions());
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$keys = array('bcmath', 'intl', 'gd', 'openssl', 'mbstring', 'curl');
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$pattern = '/';
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foreach($keys as $key)
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{
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$pattern .= '(?=.*\b' . preg_quote($key, '/') . '\b)';
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}
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$pattern .= '/i';
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$result = preg_match($pattern, $extensions);
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if(!$result)
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{
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error_log('Check your php.ini');
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error_log('PHP installed extensions: ' . $extensions);
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error_log('PHP required extensions: ' . implode(', ', $keys));
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}
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return $result;
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}
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}
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?>
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