function check_permissions()
{
$CI =& get_instance();
/* Writable check */
$check_path = $CI->config->item('config_path') . "settings/";
if (!is_writable($check_path)) {
$this->error_messages[] = 'Application settings directory "' . $check_path . '" is not writable. You will not able to edit any application related settings.';
}
$check_path = $CI->config->item('config_path') . "accounts/";
if (!is_writable($check_path)) {
$this->error_messages[] = 'Account settings directory "' . $check_path . '" is not writable. You will not able to add or edit any account related settings.';
}
$check_path = $CI->config->item('config_path') . "users/";
if (!is_writable($check_path)) {
$this->error_messages[] = 'User directory "' . $check_path . '" is not writable. You will not able to add or edit any users.';
}
$check_path = $CI->config->item('backup_path');
if (!is_writable($check_path)) {
$this->error_messages[] = 'Backup directory "' . $check_path . '" is not writable. You will not able to save or download any backups.';
}
/* Security checks */
$check_path = $CI->config->item('config_path');
if (substr(symbolic_permissions(fileperms($check_path)), -3, 1) == "r") {
$this->error_messages[] = 'Security Risk ! The application config directory "' . $check_path . '" is world readable.';
}
if (substr(symbolic_permissions(fileperms($check_path)), -2, 1) == "W") {
$this->error_messages[] = 'Security Risk ! The application config directory "' . $check_path . '" is world writeable.';
}
$check_path = $CI->config->item('config_path') . "accounts/";
if (substr(symbolic_permissions(fileperms($check_path)), -3, 1) == "r") {
$this->error_messages[] = 'Security Risk ! The application accounts directory "' . $check_path . '" is world readable.';
}
if (substr(symbolic_permissions(fileperms($check_path)), -2, 1) == "W") {
$this->error_messages[] = 'Security Risk ! The application accounts directory "' . $check_path . '" is world writeable.';
}
$check_path = $CI->config->item('config_path') . "users/";
if (substr(symbolic_permissions(fileperms($check_path)), -3, 1) == "r") {
$this->error_messages[] = 'Security Risk ! The users directory "' . $check_path . '" is world readable.';
}
if (substr(symbolic_permissions(fileperms($check_path)), -2, 1) == "W") {
$this->error_messages[] = 'Security Risk ! The users directory "' . $check_path . '" is world writeable.';
}
$check_path = $CI->config->item('config_path') . "settings/";
if (substr(symbolic_permissions(fileperms($check_path)), -3, 1) == "r") {
$this->error_messages[] = 'Security Risk ! The application settings directory "' . $check_path . '" is world readable.';
}
if (substr(symbolic_permissions(fileperms($check_path)), -2, 1) == "W") {
$this->error_messages[] = 'Security Risk ! The application settings directory "' . $check_path . '" is world writeable.';
}
$check_path = $CI->config->item('backup_path');
if (substr(symbolic_permissions(fileperms($check_path)), -3, 1) == "r") {
$this->error_messages[] = 'Security Risk ! The application backup directory "' . $check_path . '" is world readable.';
}
if (substr(symbolic_permissions(fileperms($check_path)), -2, 1) == "W") {
$this->error_messages[] = 'Security Risk ! The application backup directory "' . $check_path . '" is world writeable.';
}
}
public function test()
{
//$this->load->helper('file');
//返回和index.php在同一个目录下的test.txt文件的内容,使用的是原生的php函数
echo file_get_contents('test.txt');
$this->load->helper('file');
$data = 'Some file data<br/>';
//write_file方法会覆盖文件中已有的内容
if (!write_file('test.txt', $data)) {
echo 'Unable to write the file<br/>';
} else {
echo 'File written!<br/>';
}
// if (delete_files('zcyytest/')) {
// echo '删除成功！<br/>';
// } else {
// echo '删除失败！<br/>';
// }
//连这个目录下的文件夹一起删除
// if (delete_files('zcyytest/', TRUE)) {
// echo '删除成功！<br/>';
// } else {
// echo '删除失败！<br/>';
// }
echo APPPATH . '<br/>';
$controllers = get_filenames(APPPATH . '../' . 'zcyytest/');
print_r($controllers);
echo '<br/>';
$models_info = get_dir_file_info(APPPATH . '../' . 'zcyytest/');
print_r($models_info);
echo '<br/>';
print_r(get_file_info(APPPATH . '../' . 'zcyytest/1.txt'));
echo '<br/>';
//将文件权限的数字格式（例如 fileperms() 函数的返回值）转换为标准的符号格式。
echo symbolic_permissions(fileperms('test.txt'));
echo '<br/>';
//将文件权限的数字格式（例如 fileperms() 函数的返回值）转换为三个字符的八进制表示格式。
echo octal_permissions(fileperms('test.txt'));
echo '<br/>';
}
$n = 1;
$today_file = 'file_' . date('Y-m-d', now()) . '.csv';
if (file_exists($dir . $today_file)) {
echo '<div>';
echo "<table border=\"1\" style='width:50%;'><tr><td><b>Имя файла</b></td><td><b>Размер</b></td><td><b>Разрешения</b></td>";
echo "<td><b>Действие</b></td></tr>";
$file_attr = get_file_info($dir . $today_file, 'name,size,fileperms');
echo '<tr><td>' . $file_attr['name'] . '</td><td>' . byte_format($file_attr['size']) . '</td><td>' . symbolic_permissions($file_attr['fileperms']) . '</td>';
echo '<td><a href="#" onclick=importPayments("' . $dir . $today_file . '");return false;> Импорт</a></td></tr>';
echo "</table>";
echo '</div>';
} elseif (file_exists($dir . 'file_' . date('Y-m-d', now()) . '.xls')) {
echo "<table border=\"1\" style='width:50%;'><tr><td><b>Имя файла</b></td><td><b>Размер</b></td><td><b>Разрешения</b></td>";
echo "<td><b>Действие</b></td></tr>";
$file_attr1 = get_file_info($dir . 'file_' . date('Y-m-d', now()) . '.xls', "name,size,fileperms");
echo '<tr><td>' . $file_attr1['name'] . '</td><td>' . byte_format($file_attr1['size']) . '</td><td>' . symbolic_permissions($file_attr1['fileperms']) . '</td>';
echo '<td><a href="#" onclick=convertXLS2CSV("file_' . date('Y-m-d', now()) . '.xls");return false;> Конвертировать</a></td></tr>';
echo "</table>";
} else {
?>
<?php
echo form_open_multipart('upload/do_upload_payments', 'id=form2');
?>
<input type="hidden" name="folder" size="20" value="import_payments"/>
<input type="file" name="userfile" size="20"/>
<input type="submit" value="Загрузить" />
</form>
<?php
}
?>
public function file_helper()
{
$this->load->helper('file');
$string = read_file('./path/to/file.php');
$data = 'Some file data';
if (!write_file('./path/to/file.php', $data)) {
echo 'Unable to write the file';
echo "<br>";
} else {
echo 'File written!';
echo "<br>";
}
write_file('./path/to/file.php', $data, 'r+');
echo "<br>";
delete_files('./path/to/directory/');
echo "<br>";
delete_files('./path/to/directory/', TRUE);
echo "<br>";
$controllers = get_filenames(APPPATH . 'controllers/');
echo "<br>";
$models_info = get_dir_file_info(APPPATH . 'models/');
echo "<br>";
$file = 'somefile.png';
echo $file . ' is has a mime type of ' . get_mime_by_extension($file);
echo "<br>";
echo symbolic_permissions(fileperms('./index.php'));
// -rw-r--r--
echo "<br>";
echo octal_permissions(fileperms('./index.php'));
// 644
echo "<br>";
}
<h4>Ownership</h4>
<label><?=form_checkbox('chown',TRUE,TRUE)?> CHOWN all files to '<?=$domain->hosting->vrt_hst->ftp_login?>:psaserv'</label>
<h4>File Permissions</h4>
<table>
<thead>
<tr>
<td></td>
<td>File Types</td>
<td>Octal Permissions</td>
<td>Symbolic Permissions</td>
</tr>
</thead>
<tbody>
<?php foreach ($chmod as $key=>$row) : ?>
<tr>
<td><?=form_checkbox('chmod_'.$key,TRUE)?></td>
<td title="Extensions: <?=implode($row['ext'],', ')?>"><?=$row['cat']?></td>
<td><?=$row['perms']?></td>
<td><?=symbolic_permissions($row['perms'])?></td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
<div class="justr">
<br/><button action="submit">Repair Permissions</button>
</div>
</div>
</form>
/**
* More tests should happen here, since I'm not hitting the whole function.
*/
public function test_symbolic_permissions()
{
$content = 'Jack and Jill went up the mountain to fight a billy goat.';
$file = vfsStream::newFile('my_file.txt', 0777)->withContent($content)->lastModified(time() - 86400)->at($this->_test_dir);
$this->assertEquals('urwxrwxrwx', symbolic_permissions($file->getPermissions()));
}