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<?php
class ControllerToolUpload extends Controller {
public function index() {
$this->load->language('tool/upload');
$json = array();
if (!empty($this->request->files['file']['name']) && is_file($this->request->files['file']['tmp_name'])) {
// Sanitize the filename
$filename = basename(preg_replace('/[^a-zA-Z0-9\.\-\s+]/', '', html_entity_decode($this->request->files['file']['name'], ENT_QUOTES, 'UTF-8')));
// Validate the filename length
if ((utf8_strlen($filename) < 3) || (utf8_strlen($filename) > 64)) {
$json['error'] = $this->language->get('error_filename');
}
// Allowed file extension types
$allowed = array();
$extension_allowed = preg_replace('~\r?\n~', "\n", $this->config->get('config_file_ext_allowed'));
$filetypes = explode("\n", $extension_allowed);
foreach ($filetypes as $filetype) {
$allowed[] = trim($filetype);
}
if (!in_array(strtolower(substr(strrchr($filename, '.'), 1)), $allowed)) {
$json['error'] = $this->language->get('error_filetype');
}
// Allowed file mime types
$allowed = array();
$mime_allowed = preg_replace('~\r?\n~', "\n", $this->config->get('config_file_mime_allowed'));
$filetypes = explode("\n", $mime_allowed);
foreach ($filetypes as $filetype) {
$allowed[] = trim($filetype);
}
if (!in_array($this->request->files['file']['type'], $allowed)) {
$json['error'] = $this->language->get('error_filetype');
}
// Check to see if any PHP files are trying to be uploaded
$content = file_get_contents($this->request->files['file']['tmp_name']);
if (preg_match('/\<\?php/i', $content)) {
$json['error'] = $this->language->get('error_filetype');
}
// Return any upload error
if ($this->request->files['file']['error'] != UPLOAD_ERR_OK) {
$json['error'] = $this->language->get('error_upload_' . $this->request->files['file']['error']);
}
} else {
$json['error'] = $this->language->get('error_upload');
}
if (!$json) {
$file = $filename . '.' . token(32);
move_uploaded_file($this->request->files['file']['tmp_name'], DIR_UPLOAD . $file);
// Hide the uploaded file name so people can not link to it directly.
$this->load->model('tool/upload');
$json['code'] = $this->model_tool_upload->addUpload($filename, $file);
$json['success'] = $this->language->get('text_upload');
}
$this->response->addHeader('Content-Type: application/json');
$this->response->setOutput(json_encode($json));
}
}
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