public function page($id_file = 0, $action = "")
{
$this->login_control();
if (!is_numeric($id_file)) {
$error_msg[] = "Файла не существует";
$this->session->set_flashdata('info', json_encode($error_msg));
header("Location: /files");
die;
}
if ($action == "") {
$query = $this->db->query("SELECT filename,pass,hash,description,counter_downloads,id_user FROM md_files WHERE id={$id_file}");
$filename_array = $query->row_array();
if ($filename_array) {
$filename = $filename_array['filename'];
$full_filename = "uploads/" . $id_file . "/" . $filename;
//папка хранения требуемого файла на диске
if (preg_match('/win/', strtolower(PHP_OS))) {
$full_filename = iconv("UTF-8", "Windows-1251", $full_filename);
}
} else {
$error_msg[] = "Такого файла нет";
$this->session->set_flashdata('info', json_encode($error_msg));
header("Location: /files");
die;
}
// получим размер файла
$filesize = filesize($full_filename);
$this->db->select('login');
$this->db->where('id_user', $filename_array['id_user']);
$user = $this->db->get('users')->row_array();
//данные для отображения вида "просмотр страницы файла"
$file_info = array('filename' => $filename_array['filename'], 'description' => $filename_array['description'], 'counter' => $filename_array['counter_downloads'], 'pass' => $filename_array['pass'], 'filesize' => $filesize, 'id_file' => $id_file, 'user' => $user['login'], 'id' => $id_file, 'id_user' => $filename_array['id_user']);
$this->load->view('files/page_file_view', $file_info);
}
if ($action == "edit") {
if ($this->input->post()) {
$query = $this->db->query("SELECT filename,pass,hash,description,hidden,id_user FROM md_files WHERE id={$id_file}");
$filename_array = $query->row_array();
if ($this->session->userdata('id_user') == $filename_array['id_user']) {
if (strlen($this->input->post('description')) > 1000) {
$error_msg[] = "Максимальная длина описания 1000 символов";
}
if ($this->input->post('pass')) {
$hash = _generated();
$pass = sha1(md5(trim($this->input->post('pass')) . $hash));
} else {
$hash = $pass = "";
}
if ($this->input->post('hidden') == "on") {
$hidden = true;
}
if (!isset($error_msg)) {
$data = array('description' => htmlspecialchars($this->input->post('description')), 'hidden' => $hidden, 'hash' => $hash, 'pass' => $pass);
$this->db->where('id', $id_file);
$this->db->update('files', $data);
header("Location: /files/{$id_file}");
die;
} else {
$this->session->set_flashdata('info', json_encode($error_msg));
header("Location: /files/{$id_file}/edit");
die;
}
} else {
$error_msg[] = "Этот файл не принадлежит вам";
$this->session->set_flashdata('info', json_encode($error_msg));
header("Location: /files/{$id_file}");
die;
}
} else {
$query = $this->db->query("SELECT filename,pass,hash,description,hidden,id_user FROM md_files WHERE id={$id_file}");
$filename_array = $query->row_array();
if (count($filename_array) != 0) {
if ($this->session->userdata('id_user') == $filename_array['id_user']) {
$this->load->view('files/file_edit_view', $filename_array);
} else {
$error_msg[] = "Этот файл не принадлежит вам";
$this->session->set_flashdata('info', json_encode($error_msg));
header("Location: /files/{$id_file}");
die;
}
} else {
$error_msg[] = "Такого файла нет";
$this->session->set_flashdata('info', json_encode($error_msg));
header("Location: /files");
die;
}
}
}
if ($action == "delete") {
$query = $this->db->query("SELECT id_user,filename FROM md_files WHERE id={$id_file}");
$filename_array = $query->row_array();
if (count($filename_array) != 0) {
if ($this->session->userdata('id_user') == $filename_array['id_user']) {
if ($this->db->delete('files', array('id' => $id_file))) {
$filename = $filename_array['filename'];
if (is_file("uploads/{$id_file}/{$filename}")) {
unlink("uploads/{$id_file}/{$filename}");
rmdir("uploads/{$id_file}");
$info_msg[] = "Файл удален";
$this->session->set_flashdata('info', json_encode($info_msg));
header("Location: /files");
die;
} else {
echo "Ошибка доступа к файлу";
}
} else {
echo "Не смог удалить из БД";
}
} else {
$error_msg[] = "Этот файл не принадлежит вам";
$this->session->set_flashdata('info', json_encode($error_msg));
header("Location: /files/{$id_file}");
die;
}
} else {
$error_msg[] = "Такого файла нет";
$this->session->set_flashdata('info', json_encode($error_msg));
header("Location: /files");
die;
}
}
}
public function registration()
{
$info_msg = null;
if ($this->input->post()) {
if ($this->input->post('login')) {
if (preg_match("/^[a-z0-9A-Z-_]+\$/", $this->input->post('login'))) {
$this->db->where('login', $this->input->post('login'));
$query = $this->db->get('users');
if ($query->num_rows() > 0) {
$info_msg[] = "Пользователь с таким логином уже существует";
}
} else {
$info_msg[] = "Логин может состоять только из цифр и латинских символов и символов \"_\" и \"-\"";
}
} else {
$info_msg[] = "Введите логин";
}
if ($this->input->post('email')) {
if (filter_var($this->input->post('email'), FILTER_VALIDATE_EMAIL) != $this->input->post('email')) {
$info_msg[] = "Неверный email";
} else {
$this->db->where('email', $this->input->post('email'));
$query = $this->db->get('users');
if ($query->num_rows() > 0) {
$info_msg[] = "Пользователь с таким email уже существует";
}
}
} else {
$info_msg[] = "Введите email";
}
if ($this->input->post('name')) {
if (strlen($this->input->post('name')) > 255) {
$info_msg[] = "Длина имени более 255 символов";
}
} else {
$info_msg[] = "Введите имя";
}
if ($this->input->post('surname')) {
if (strlen($this->input->post('surname')) > 255) {
$info_msg[] = "Длина фамилии более 255 символов";
}
} else {
$info_msg[] = "Введите фамилию";
}
if ($this->input->post('pass')) {
if ($this->input->post('pass') != $this->input->post('pass2')) {
$info_msg[] = "Пароль и подтверждение не совпадают";
}
} else {
$info_msg[] = "Введите пароль";
}
if (!$this->input->post('pass2')) {
$info_msg[] = "Введите подтверждение пароля";
}
if ($info_msg == null) {
$info_msg = "ok";
}
}
if (!$this->input->post() or is_array($info_msg)) {
$data = array('login' => $this->input->post('login'), 'name' => $this->input->post('name'), 'surname' => $this->input->post('surname'), 'email' => $this->input->post('email'), 'info_msg' => $info_msg);
$this->load->view('index_page/registration_view', $data);
}
if ($info_msg == "ok") {
$hash = _generated();
$sha1_pass = sha1(md5(trim($this->input->post('pass')) . $hash));
$user_data = array('login' => $this->input->post('login'), 'name' => $this->input->post('name'), 'surname' => $this->input->post('surname'), 'email' => $this->input->post('email'), 'password' => $sha1_pass, 'hash' => $hash);
if ($this->db->insert('users', $user_data)) {
echo "ok";
}
}
}