ncp-web: add NCP logs section

Signed-off-by: nachoparker <nacho@ownyourbits.com>

Author: nachoparker

build/docker/docker-compose-ncpdev.yml

@@ -8,9 +8,9 @@ services:
      - "443:443"
      - "4443:4443"
     volumes:
-     - ./ncp-web:/var/www/ncp-web
-     - ./etc:/usr/local/etc
-     - ./changelog.md:/changelog.md
+     - ../../ncp-web:/var/www/ncp-web
+     - ../../etc:/usr/local/etc
+     - ../../changelog.md:/changelog.md
      - ncdata:/data
     container_name: nextcloudpi
 

changelog.md

@@ -1,13 +1,19 @@
 
-<<<<<<< HEAD
-[v1.40.5](https://github.com/nextcloud/nextcloudpi/commit/6c3cb37) (2021-10-11) letsencrypt: keep original cert name
+[v1.41.0](https://github.com/nextcloud/nextcloudpi/commit/33d8167) (2021-10-13) ncp-web: add NCP logs section
 
-[v1.40.4 ](https://github.com/nextcloud/nextcloudpi/commit/de104a5) (2021-10-06) Make templating safer and more verbose (#1343)
-=======
-[v1.40.5](https://github.com/nextcloud/nextcloudpi/commit/f7c393f) (2021-10-11) add architecture and kernel info to ncp-info (#1360)
+[v1.40.10](https://github.com/nextcloud/nextcloudpi/commit/8bb5795) (2021-10-12) nc-import-ncp: run activated apps upon import
+
+[v1.40.9 ](https://github.com/nextcloud/nextcloudpi/commit/a4998cd) (2021-10-12) letsencrypt: favor most recent cert if there are many
+
+[v1.40.8 ](https://github.com/nextcloud/nextcloudpi/commit/9bddfad) (2021-10-12) fix HPB with dynamic IP
+
+[v1.40.7 ](https://github.com/nextcloud/nextcloudpi/commit/4e790e4) (2021-10-12) letsencrypt: fix template generation
 
-[v1.40.4](https://github.com/nextcloud/nextcloudpi/commit/de104a5) (2021-10-06) Make templating safer and more verbose (#1343)
->>>>>>> b532589 (add architecture and kernel info to ncp-info (#1360))
+[v1.40.6 ](https://github.com/nextcloud/nextcloudpi/commit/b64859e) (2021-10-11) add architecture and kernel info to ncp-info (#1360)
+
+[v1.40.5](https://github.com/nextcloud/nextcloudpi/commit/cc3f336) (2021-10-11) letsencrypt: keep original cert name
+
+[v1.40.4 ](https://github.com/nextcloud/nextcloudpi/commit/de104a5) (2021-10-06) Make templating safer and more verbose (#1343)
 
 [v1.40.3 ](https://github.com/nextcloud/nextcloudpi/commit/8a6c1c0) (2021-10-06) ncp-check-nc-version: dont notify the same version more than once
 

ncp-web/css/ncp.css

@@ -1153,6 +1153,9 @@ select {
 .icon-backups {
   background-image: url('../img/defaults-white.svg');
 }
+.icon-logs {
+  background-image: url('../img/logs.svg');
+}
 .icon-config {
   background-image: url('../img/settings-white.svg');
 }
@@ -1238,6 +1241,10 @@ a#versionlink:hover {
   cursor:pointer;
 }
 
+#log-download-btn-wrapper  {
+  text-align: center
+}
+
 .dialog {
   display:block;
   background: white;
@@ -1375,6 +1382,14 @@ a#versionlink:hover {
   overflow: auto;
 }
 
+#logs-details-box {
+  background-color: #fbfbfb;
+  border: solid 1px lightgray;
+  color: #565656;
+  overflow: auto;
+  height: 80vh;
+}
+
 #language-selection {
   border: none;
 }

ncp-web/download_logs.php

@@ -0,0 +1,75 @@
+<?php
+///
+// NextCloudPi Web Panel backend
+//
+// Copyleft 2019 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
+// GPL licensed (see end of file) * Use at your own risk!
+//
+// More at https://nextcloudpi.com
+///
+
+include ('csrf.php');
+session_start();
+
+// CSRF check
+$token = isset($_REQUEST['token']) ? $_REQUEST['token'] : '';
+if ( empty($token) || !validateCSRFToken($token) )
+  exit('Unauthorized download');
+
+$file = '/var/log/ncp.log';
+
+if (!file_exists($file)
+    die('File not found');
+
+if (!is_readable($file))
+    die('NCP does not have read permissions on this file');
+
+function filesize_compat($file)
+{
+  if(PHP_INT_SIZE === 4) # workaround for 32-bit architectures
+    return trim(shell_exec("stat -c%s " . escapeshellarg($file)));
+  else
+    return filesize($file);
+}
+
+$size = filesize_compat($file);
+
+$mime_type = 'text/plain';
+
+ob_start();
+ob_clean();
+header('Content-Description: File Transfer');
+header('Content-Type: ' . $mime_type);
+header("Content-Transfer-Encoding: Binary");
+header("Content-disposition: attachment; filename=\"" . basename($file) . "\"");
+header('Content-Length: ' . $size);
+header('Expires: 0');
+header('Cache-Control: must-revalidate');
+header('Pragma: public');
+
+$chunksize = 8 * (1024 * 1024);
+
+if($size > $chunksize || PHP_INT_SIZE === 4) # always chunk for 32-bit architectures
+{
+  $handle = fopen($file, 'rb') or die("Error opening file");
+
+  while (!feof($handle))
+  {
+    $buffer = fread($handle, $chunksize);
+    echo $buffer;
+
+    ob_flush();
+    flush();
+  }
+
+  fclose($handle);
+}
+else
+  readfile($file);
+
+ob_flush();
+flush();
+
+exit();
+
+?>

ncp-web/img/logs.svg

@@ -190,6 +190,11 @@
               <div class="icon-config"></div>
           </div>
       </div>
+      <div id="logs-btn" title="<?php echo $l->__("Logs"); ?>">
+          <div class="expand">
+              <div class="icon-logs"></div>
+          </div>
+      </div>
       <a href="wizard" title="<?php echo $l->__("NextCloudPi Wizard"); ?>">
         <div class="wizard-btn">
           <div class="expand">
@@ -266,8 +271,16 @@
   }
   echo '</table>';
 ?>
+          </div>
         </div>
-        </div>
+        <div id="logs-wrapper" class="content-box <?php if(!array_key_exists('app',$_GET) || (array_key_exists('app',$_GET) && $_GET['app'] != 'logs')) echo 'hidden';?>">
+          <h2 class="text-title"><?php echo $l->__("NextCloudPi logs"); ?></h2>
+          <div id="logs-content" class="table-wrapper">
+            <div id="logs-details-box" class="outputbox"><?php echo str_replace(array("\r\n", "\n", "\r"), '<br/>', file_get_contents('/var/log/ncp.log')) ?></div>
+            <div id="log-download-btn-wrapper"><input id="log-download-btn" type="button" value="Download"/></div>
+          </div>
+  </div>
+
     </div>
 
   <div id="poweroff-dialog" class='dialog primary hidden'>
@@ -283,6 +296,7 @@
     include('csrf.php');
     echo '<input type="hidden" id="csrf-token"     name="csrf-token"     value="' . getCSRFToken() . '"/>';
     echo '<input type="hidden" id="csrf-token-ui"  name="csrf-token-ui"  value="' . getCSRFToken() . '"/>';
+    echo '<input type="hidden" id="csrf-token-dl"  name="csrf-token-dl"  value="' . getCSRFToken() . '"/>';
     echo '<input type="hidden" id="csrf-token-cfg" name="csrf-token-cfg" value="' . getCSRFToken() . '"/>';
   ?>
     <script src="js/minified.js"></script>

ncp-web/index.php

@@ -24,6 +24,8 @@ window.onpopstate = function(event) {
     switch_to_section('nc-config');
   else if (selectedID == 'dashboard')
     switch_to_section('dashboard');
+  else if (selectedID == 'logs')
+    switch_to_section('logs');
   else
     click_app($('#' + selectedID));
 };
@@ -38,6 +40,7 @@ function switch_to_section(section)
   // TODO unify repeating code
   $( '#config-wrapper > div'    ).hide();
   $( '#dashboard-wrapper'       ).hide();
+  $( '#logs-wrapper'            ).hide();
   $( '#nc-config-wrapper'       ).hide();
   $( '#backups-wrapper'         ).hide();
   $( '#' + section + '-wrapper' ).show();
@@ -228,14 +231,31 @@ function dialog_action(button)
     clicked_dialog_action(clicked_dialog_button);
 }
 
+function refresh_dl_token()
+{
+  $.request('post', 'ncp-launcher.php', { action:'next-dl',
+    csrf_token: $( '#csrf-token' ).get( '.value' ) }).then(
+      function success( result )
+      {
+        var ret = $.parseJSON( result );
+        if ( ret.token )
+          $('#csrf-token').set( { value: ret.token } );
+        if ( ret.token_dl )
+          $('#csrf-token-dl').set( { value: ret.token_dl } );
+      }
+    ).error( errorMsg )
+}
+
 // backups
 function set_backup_handlers()
 {
   $( '.download-bkp' ).on('click', function(e)
     {
       var tr = this.up().up();
       var path = tr.get('.id');
-      window.location.replace('download.php?bkp=' + encodeURIComponent(path) + '&token=' + encodeURIComponent(tr.next().get('.value')));
+      var token_dl = $('#csrf-token-dl').get('.value');
+      window.location.replace('download.php?bkp=' + encodeURIComponent(path) + '&token=' + encodeURIComponent(token_dl));
+      refresh_dl_token();
     });
   $( '.delete-bkp' ).on('click', function(e)
     {
@@ -365,6 +385,12 @@ $(function()
   if (location.search)
     selectedID = location.search.split('=')[1];
 
+  // scroll down logs box by default
+  var logs_box_l = $('#logs-details-box');
+  var logs_box = logs_box_l[0];
+  logs_box.scrollTop = logs_box.scrollHeight;
+  //$('#logs-details-box').scrollTop = $('#logs-details-box').scrollHeight;
+
   // Event source to receive process output in real time
   if (!!window.EventSource)
     var source = new EventSource('ncp-output.php');
@@ -687,6 +713,24 @@ $(function()
     history.pushState(null, selectedID, "?app=backups");
   } );
 
+  // logs button
+  $( '#logs-btn' ).on('click', function(e)
+  {
+    if ( lock ) return;
+    close_menu();
+    switch_to_section( 'logs' );
+    history.pushState(null, selectedID, "?app=logs");
+  } );
+
+  // log download button
+  $( '#log-download-btn' ).on('click', function(e)
+    {
+      var token_dl = $('#csrf-token-dl').get('.value');
+      var token = $('#csrf-token').get('.value');
+      window.location.replace('download_logs.php?token=' + encodeURIComponent(token_dl));
+      refresh_dl_token();
+    } );
+
   // language selection
   var langold = $( '#language-selection' ).get( '.value' );
   $( '#language-selection' ).on( 'change', function(e)

ncp-web/js/ncp.js

@@ -176,6 +176,16 @@
   echo ' "ret": "'    . $ret           . '" }';
 }
 
+//
+// dl-token
+//
+else if ( $_POST['action'] == "next-dl" )
+{
+  echo '{  "token": "' . getCSRFToken() . '",';               // Get new token
+  echo '"token_dl": "' . getCSRFToken() . '",';               // Get new download token
+  echo '     "ret": "' . $ret           . '" }';
+}
+
 //
 // path field
 //