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master-absenku-custom
Commit 4f2407f3 by nurchamim
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modul: download helper 

status: selesai
keterangan: tambah fungsi removeSpecialChar untuk filename download
parent 6fee5025
Showing with 115 additions and 119 deletions
system/helpers/download_helper.php
......@@ -26,133 +26,129 @@
* 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 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @license https://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');
defined('BASEPATH') or exit('No direct script access allowed');
/**
* CodeIgniter Download Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/helpers/download_helper.html
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/helpers/download_helper.html
*/
// ------------------------------------------------------------------------
if ( ! function_exists('force_download'))
{
/**
* Force Download
*
* Generates headers that force a download to happen
*
* @param string filename
* @param mixed the data to be downloaded
* @param bool whether to try and send the actual file MIME type
* @return void
*/
function force_download($filename = '', $data = '', $set_mime = FALSE)
{
if ($filename === '' OR $data === '')
{
return;
}
elseif ($data === NULL)
{
if ( ! @is_file($filename) OR ($filesize = @filesize($filename)) === FALSE)
{
return;
}
$filepath = $filename;
$filename = explode('/', str_replace(DIRECTORY_SEPARATOR, '/', $filename));
$filename = end($filename);
}
else
{
$filesize = strlen($data);
}
// Set the default MIME type to send
$mime = 'application/octet-stream';
$x = explode('.', $filename);
$extension = end($x);
if ($set_mime === TRUE)
{
if (count($x) === 1 OR $extension === '')
{
/* If we're going to detect the MIME type,
* we'll need a file extension.
*/
return;
}
// Load the mime types
$mimes =& get_mimes();
// Only change the default MIME if we can find one
if (isset($mimes[$extension]))
{
$mime = is_array($mimes[$extension]) ? $mimes[$extension][0] : $mimes[$extension];
}
}
/* It was reported that browsers on Android 2.1 (and possibly older as well)
* need to have the filename extension upper-cased in order to be able to
* download it.
*
* Reference: http://digiblog.de/2011/04/19/android-and-the-download-file-headers/
*/
if (count($x) !== 1 && isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/Android\s(1|2\.[01])/', $_SERVER['HTTP_USER_AGENT']))
{
$x[count($x) - 1] = strtoupper($extension);
$filename = implode('.', $x);
}
if ($data === NULL && ($fp = @fopen($filepath, 'rb')) === FALSE)
{
return;
}
// Clean output buffer
if (ob_get_level() !== 0 && @ob_end_clean() === FALSE)
{
@ob_clean();
}
// Generate the server headers
header('Content-Type: '.$mime);
header('Content-Disposition: attachment; filename="'.$filename.'"');
header('Expires: 0');
header('Content-Transfer-Encoding: binary');
header('Content-Length: '.$filesize);
header('Cache-Control: private, no-transform, no-store, must-revalidate');
// If we have raw data - just dump it
if ($data !== NULL)
{
exit($data);
}
// Flush 1MB chunks of data
while ( ! feof($fp) && ($data = fread($fp, 1048576)) !== FALSE)
{
echo $data;
}
fclose($fp);
exit;
}
if (!function_exists('force_download')) {
/**
* Force Download
*
* Generates headers that force a download to happen
*
* @param string filename
* @param mixed the data to be downloaded
* @param bool whether to try and send the actual file MIME type
* @return void
*/
function force_download($filename = '', $data = '', $set_mime = FALSE)
{
if ($filename === '' or $data === '') {
return;
} elseif ($data === NULL) {
if (!@is_file($filename) or ($filesize = @filesize($filename)) === FALSE) {
return;
}
$filepath = $filename;
$filename = explode('/', str_replace(DIRECTORY_SEPARATOR, '/', $filename));
$filename = end($filename);
} else {
$filesize = strlen($data);
}
// Set the default MIME type to send
$mime = 'application/octet-stream';
$x = explode('.', $filename);
$extension = end($x);
if ($set_mime === TRUE) {
if (count($x) === 1 or $extension === '') {
/* If we're going to detect the MIME type,
* we'll need a file extension.
*/
return;
}
// Load the mime types
$mimes =& get_mimes();
// Only change the default MIME if we can find one
if (isset($mimes[$extension])) {
$mime = is_array($mimes[$extension]) ? $mimes[$extension][0] : $mimes[$extension];
}
}
/* It was reported that browsers on Android 2.1 (and possibly older as well)
* need to have the filename extension upper-cased in order to be able to
* download it.
*
* Reference: http://digiblog.de/2011/04/19/android-and-the-download-file-headers/
*/
if (count($x) !== 1 && isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/Android\s(1|2\.[01])/', $_SERVER['HTTP_USER_AGENT'])) {
$x[count($x) - 1] = strtoupper($extension);
$filename = implode('.', $x);
}
if ($data === NULL && ($fp = @fopen($filepath, 'rb')) === FALSE) {
return;
}
// Clean output buffer
if (ob_get_level() !== 0 && @ob_end_clean() === FALSE) {
@ob_clean();
}
// Generate the server headers
header('Content-Type: ' . $mime);
header('Content-Disposition: attachment; filename="' . $filename . '"');
header('Expires: 0');
header('Content-Transfer-Encoding: binary');
header('Content-Length: ' . $filesize);
header('Cache-Control: private, no-transform, no-store, must-revalidate');
// If we have raw data - just dump it
if ($data !== NULL) {
exit($data);
}
// Flush 1MB chunks of data
while (!feof($fp) && ($data = fread($fp, 1048576)) !== FALSE) {
echo $data;
}
fclose($fp);
exit;
}
}
/**
* Fungsi untuk menghapus special characters
*/
if (!function_exists('removeSpecialChar')) {
function removeSpecialChar($str)
{
$res = preg_replace('/[^a-zA-Z0-9_ -]/s', ' ', $str);
return $res;
}
}
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