Merge pull request #2806 from phl0/fixLotwDownloadFilePermissions

Check file/dir permissions prior to LoTW download

application/controllers/Lotw.php

@@ -746,10 +746,24 @@ class Lotw extends CI_Controller {
 				$lotw_url .= "&qso_owncall=".$this->input->post('callsign');
 			}
 
+			if (is_writable(dirname($file)) && (!file_exists($file) || is_writable($file))) {
 				file_put_contents($file, file_get_contents($lotw_url));
 
 				ini_set('memory_limit', '-1');
 				$this->loadFromFile($file);
+			} else {
+				if (!is_writable(dirname($file))) {
+					$data['errormsg'] = 'Directory '.dirname($file).' is not writable!';
+				} else if (!is_writable($file)) {
+					$data['errormsg'] = 'File '.$file.' is not writable!';
+				}
+				$this->load->model('Stations');
+				$data['callsigns'] = $this->Stations->callsigns_of_user($this->session->userdata('user_id'));
+
+				$this->load->view('interface_assets/header', $data);
+				$this->load->view('lotw/import', $data);
+				$this->load->view('interface_assets/footer');
+			}
 		}
 		else
 		{

application/views/lotw/import.php

@@ -2,10 +2,17 @@
 
   <h2><?php echo lang('lotw_title'); ?> - <?php echo lang('lotw_title_adif_import'); ?></h2>
 
+  <?php if (isset($errormsg)) { ?>
+    <div class="alert alert-danger" role="alert">
+    <?php echo $errormsg; ?>
+    </div>
+  <?php } ?>
+
   <div class="card">
     <div class="card-header"><?php echo lang('lotw_title_adif_import_options'); ?></div>
     <div class="card-body">
 
+
       <?php $this->load->view('layout/messages'); ?>
 
       <?php echo form_open_multipart('lotw/import'); ?>