PHP dohash函数代码示例

 function submit()
 {
     $data = array("css_filename" => "login", "title" => "管理后台登录", "message" => "", "messageclass" => "");
     $this->load->view("admin/Login", $data);
     if (!$_POST) {
         redirect("cp/login");
     }
     $username = $_POST["username"];
     $password = $_POST["password"];
     if ($username == "") {
         $this->_showMessage("您还未输入用户名。", 0);
         return;
     }
     if ($password == "") {
         $this->_showMessage("您的密码还未输入。", 0);
         return;
     }
     $this->load->model("Users");
     //MD5加密码
     $password = dohash($password, 'md5');
     $result = $this->Users->CheckLogin($username, $password);
     if ($result == 0) {
         $this->_showMessage("对不起，您的密码不正确，请重新输入。", 0);
     } else {
         set_cookie("username", $username, "3600", "", "/");
         set_cookie("password", $password, "3600", "", "/");
         redirect("");
     }
 }

 /**
  * 修改密码
  * @param unknown_type $username
  * @param unknown_type $password
  */
 function UpdatePassword($username, $password)
 {
     $this->load->database();
     $password = dohash($password, 'md5');
     $sql = "update users set password = '" . $password . "' where username = '" . $username . "'";
     $result = $this->db->query($sql);
 }

 function edit()
 {
     if ($this->form_validation->run('user_edit') == FALSE) {
         // show form
         $this->db->where('id', $this->uri->segment(3));
         $data['query'] = $this->db->get('users');
         $data['id'] = $this->uri->segment(3);
         //$data['heading'] = 'Edit a User';
         $data['content'] = array('admin/users/add_edit');
         $this->load->view('templates/admin', $data);
     } else {
         // We submitted and passed, so lets do our db update
         $this->load->helper('security');
         $record['first_name'] = $this->input->post('first_name');
         $record['last_name'] = $this->input->post('last_name');
         $record['email'] = $this->input->post('email');
         $record['role'] = $this->input->post('role');
         if ($this->input->post('password') != '') {
             $record['password'] = dohash(trim($this->input->post('password')));
         }
         $id = $this->input->post('id');
         $this->db->where('id', $id);
         $this->db->update('users', $record);
         //$this->history->log_event('edit', 'edited the user ' . $this->History_model->get_historical_username($id));
         $this->session->set_flashdata('message', 'User updated successfully.');
         redirect('admin_users');
     }
 }

 function create_drink($username, $password, $password_confirm, $email)
 {
     if ($username && $password && $password == $password_confirm && $email) {
         $salt = substr(str_pad(dechex(mt_rand()), 8, '0', STR_PAD_LEFT), -8);
         $hash = $salt . dohash($password, 'md5');
         $query = $this->db->query("INSERT INTO user (username, hash, email) VALUES\n\t\t\t    ('" . $username . "', '" . $hash . "', '" . $email . "')");
     }
 }

 private function key_generate()
 {
     $this->load->helper('security');
     do {
         $salt = dohash(time() . mt_rand());
         $new_key = substr($salt, 0, config_item("api_key_length"));
     } while ($this->key_exists($new_key));
     return $new_key;
 }

 function addRememberMe($username)
 {
     // start by removing any current cookie before the re-issue
     $this->removeRememberMe();
     $random_string = random_string('alnum', 128);
     $remember_me_info = array('username' => $username, 'usernamehash' => dohash($username), 'random_string' => $random_string, 'origin_time' => now());
     $this->db->insert($this->db_table, $remember_me_info);
     set_cookie("userhash", dohash($username), $this->config->item('remember_me_life'));
     set_cookie("randomstring", $random_string, $this->config->item('remember_me_life'));
 }

 function loginValidate()
 {
     $query = $this->db->query("select id\r\n\t\t\t\t\t\t\t\t\tFROM bd_user\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\twhere username='" . $this->input->post('username') . "' and password='" . dohash($this->input->post('password'), 'md5') . "'");
     $return_array = $query->row_array();
     if (sizeof($return_array) != 0) {
         return $return_array;
     } else {
         return 0;
     }
 }

 function loginValidate($data)
 {
     $query = $this->db->query("select u.user_details_id, u.username, ud.designation_id,ud.profile_image, ud.f_name, ud.l_name, ud.department_id, bl.abbreviation, b.branch_name,b.branch_abbreviation, b.branch_code, b.branch_id, de.access\n\t\t\t\t\t\t\t\t\tFROM tia_user as u\n\t\t\t\t\t\t\t\t\tINNER JOIN\n\t\t\t\t\t\t\t\t\ttia_user_details as ud\n\t\t\t\t\t\t\t\t\tON u.user_details_id = ud.user_details_id\n\t\t\t\t\t\t\t\t\tINNER JOIN\n\t\t\t\t\t\t\t\t\ttia_branch as b\n\t\t\t\t\t\t\t\t\tON ud.branch_id = b.branch_id\n\t\t\t\t\t\t\t\t\tINNER JOIN\n\t\t\t\t\t\t\t\t\ttia_branch_level as bl\n\t\t\t\t\t\t\t\t\tON b.branch_level_id = bl.branch_level_id\n\t\t\t\t\t\t\t\t\tINNER JOIN\n\t\t\t\t\t\t\t\t\ttia_designation as de\n\t\t\t\t\t\t\t\t\tON ud.designation_id = de.designation_id\n\t\t\t\t\t\t\t\t\twhere ud.status=1 and u.username='" . $data['username'] . "' and u.password='" . dohash($data['password'], 'md5') . "'");
     $return_array = $query->row_array();
     if (sizeof($return_array) != 0) {
         // print_r($return_array);die;
         return $return_array;
     } else {
         return 0;
     }
 }

 function emp_login()
 {
     $eid = $this->session->userdata('eid');
     if (!$eid) {
         if ($_POST) {
             $fail = false;
             $username = mysql_real_escape_string($_POST['username']);
             $password = dohash($_POST['password'], 'md5');
             $query = $this->db->query("SELECT `passwd` FROM `employees` WHERE `e_id` = '{$username}' AND `active` = 1");
             if ($query->num_rows() == 1) {
                 $hash = $query->first_row();
                 $hash = $hash->passwd;
                 if ($hash == $password) {
                     $user_info = $this->db->query("SELECT `uniq_id` FROM `employees` WHERE `e_id` = {$username}");
                     foreach ($user_info->result() as $info) {
                         $this->session->set_userdata('eid', $info->uniq_id);
                     }
                     $eid = $this->session->userdata('eid');
                     if ($eid) {
                         $ip = getenv("REMOTE_ADDR");
                         $this->db->query("UPDATE `employees` SET `last_login` = CURRENT_TIMESTAMP WHERE `uniq_id` = {$eid}");
                         //$this->db->query("INSERT INTO `user_log` (`iduser_log`,`logged_in`,`ip_address`) VALUES ('$eid',CURRENT_TIMESTAMP,'$ip')");
                         $changepw = $this->db->query("SELECT DATEDIFF(DATE(NOW()),DATE(`last_pw_change`)) AS `days` FROM `employees` WHERE `uniq_id` = {$eid}");
                         $changepw = $changepw->first_row();
                         $uname = $this->db->query("SELECT CONCAT(`first_name`,' ',`last_name`) as `uname` FROM `employees` WHERE `uniq_id` = {$eid}");
                         $uname = $uname->first_row();
                         $this->session->set_userdata('uname', $uname->uname);
                         //$this->session->set_userdata('utype',$uname->user_type);
                         if ($changepw->days > $this->max_pw_age) {
                             $data = array("site" => "employees");
                             $this->load->view('changepw_view', $data);
                         } else {
                             header("Location: /cpm/index.php/employees/emp_home");
                         }
                     }
                 } else {
                     $fail = true;
                 }
             } else {
                 $fail = true;
             }
             if ($fail) {
                 echo "Username or password incorrect.";
             }
         } else {
             $this->load->view('emp_login');
         }
     } else {
         header("Location: /cpm/index.php/employees/emp_home");
     }
 }

 function edit()
 {
     if (!$this->user_lib->logged_in()) {
         redirect('users/login');
     }
     $this->load->library('validation');
     $rules = array('settings_first_name' => 'required|alpha_dash', 'settings_last_name' => ($this->settings->item('require_lastname') ? 'required|' : '') . 'alpha_dash', 'settings_password' => 'min_length[6]|max_length[20]', 'settings_confirm_password' => ($this->input->post('settings_password') ? 'required|' : '') . 'matches[settings_password]', 'settings_email' => 'required|valid_email', 'settings_confirm_email' => 'valid_email|matches[settings_email]', 'settings_lang' => 'alpha|max_length[2]');
     $this->validation->set_rules($rules);
     $fields = array('settings_first_name' => $this->lang->line('user_first_name'), 'settings_last_name' => $this->lang->line('user_last_name'), 'settings_password' => $this->lang->line('user_password'), 'settings_confirm_password' => $this->lang->line('user_confirm_password'), 'settings_email' => $this->lang->line('user_email'), 'settings_confirm_email' => $this->lang->line('user_confirm_email'), 'settings_lang' => $this->lang->line('user_lang'));
     $this->validation->set_fields($fields);
     // Get settings for this user
     $this->data->user_settings = $this->users_m->get(array('id' => $this->user_id));
     foreach (array_keys($rules) as $field) {
         if (isset($_POST[$field])) {
             $this->data->user_settings->{str_replace('settings_', '', $field)} = $this->validation->{$field};
         }
     }
     // Settings valid?
     if ($this->validation->run()) {
         $set['first_name'] = $this->input->post('settings_first_name', TRUE);
         $set['last_name'] = $this->input->post('settings_last_name', TRUE);
         // The cookie has been changed, lets set a new one and update their record
         if ($this->input->cookie('lang_code') != $this->input->post('settings_lang', TRUE)) {
             // Set the language for this user
             $this->user_lib->set_lang_cookie($this->input->post('settings_lang', TRUE));
             $set['lang'] = $this->input->post('settings_lang', TRUE);
         }
         // If password is being changed (and matches)
         if ($this->input->post('settings_password')) {
             $this->load->helper('security');
             $set['password'] = dohash($this->input->post('settings_password') . $this->user_lib->user_data->salt);
         }
         // If email is being changed (and matches)
         if ($this->input->post('settings_email')) {
             $set['email'] = $this->input->post('settings_email');
         }
         if ($this->users_m->update($this->user_id, $set)) {
             $this->session->set_flashdata(array('success' => $this->lang->line('user_settings_saved_success')));
         } else {
             $this->session->set_flashdata(array('error' => $this->lang->line('user_settings_saved_error')));
         }
         redirect('edit-settings');
     }
     // Format languages for the dropdown box
     $this->data->languages = array();
     foreach ($this->config->item('supported_languages') as $lang_code => $lang) {
         $this->data->languages[$lang_code] = $lang['name'];
     }
     $this->template->build('settings/edit', $this->data);
 }

 function form_token($varlen = 6, $str_to_shuffer = "abcdefghijklmnopqrstuvwxyz0123456789_")
 {
     $start_pos = mt_rand(0, strlen($str_to_shuffer) - $varlen);
     $token_name = substr(str_shuffle($str_to_shuffer), $start_pos, $varlen);
     $token_value = dohash(microtime() . mt_rand());
     $CI =& get_instance();
     if ($CI->session) {
         $CI->load->library('session');
     }
     $CI->session->set_userdata('token_name', $token_name);
     $CI->session->set_userdata('token_value', $token_value);
     //pr($CI->input);
     //exit;
     return form_hidden($token_name, $token_value);
 }

 private function call($property, $method, $arguments = array(), $expires = null)
 {
     $this->ci->load->helper('security');
     // Clean given arguments to a 0-index array
     $arguments = array_values($arguments);
     $cache_file = $property . '/' . dohash($method . serialize($arguments), 'sha1');
     // See if we have this cached
     $cached_responce = $this->get($cache_file);
     // Not FALSE? Return it
     if ($cached_responce) {
         return $cached_responce;
     } else {
         // Call the model or library with the method provided and the same arguments
         $new_responce = call_user_func_array(array($this->ci->{$property}, $method), $arguments);
         $this->write($new_responce, $cache_file, $expires);
         return $new_responce;
     }
 }

 function validate_login($username, $password)
 {
     $result = $this->db->query("SELECT * FROM user WHERE username='{$username}'");
     if (!$result->row()) {
         $this->session->set_flashdata('message', '<div id="message">The username that you entered does not exist in our database.</div>');
         redirect('login/index');
     }
     $row = $result->row();
     $admin = $row->level;
     $salt = substr($row->hash, 0, 8);
     $hash = dohash($password, 'md5');
     if ($row->hash == $salt . $hash) {
         $data = array('username' => $username, 'logged_in' => TRUE, 'admin' => $admin);
         $this->session->set_userdata($data);
         redirect('dashboard/index');
     } else {
         $this->session->set_flashdata('message', '<div id="message">Your password is incorrect, please try again.</div>');
         redirect('login/index');
     }
 }

 function verifyCustomer($e, $pw)
 {
     $this->db->where('email', db_clean($e, 50));
     $this->db->where('password', db_clean(dohash($pw), 16));
     $this->db->limit(1);
     $Q = $this->db->get('omc_customer');
     if ($Q->num_rows() > 0) {
         $row = $Q->row_array();
         $_SESSION['customer_id'] = $row['customer_id'];
         $_SESSION['customer_first_name'] = $row['customer_first_name'];
         $_SESSION['customer_last_name'] = $row['customer_last_name'];
         $_SESSION['phone_number'] = $row['phone_number'];
         $_SESSION['email'] = $row['email'];
         $_SESSION['address'] = $row['address'];
         $_SESSION['city'] = $row['city'];
         $_SESSION['post_code'] = $row['post_code'];
     } else {
         // $_SESSION['customer_id'] = 0; // this will eliminate error
     }
 }

 function regAdmin()
 {
     // FIXME ESTE MÉTODO NO PUEDE QUEDAR ASÍ: SE DEBE ELIMINAR AL LANZAR LA VERSIÓN FINAL
     $this->load->library('input');
     $u = $this->input->post('rut', TRUE);
     $p = $this->input->post('pass', TRUE);
     $pe = $this->input->post('per', TRUE);
     if ($this->user->addNewAdmin($u, dohash($p), $pe)) {
         echo 'registrado con exito';
     } else {
         echo 'ocurrio un error';
     }
 }