From 97a9cac5e8ecd19edc7ca931174e55ed26ae1464 Mon Sep 17 00:00:00 2001
From: billz <billzimmerman@gmail.com>
Date: Tue, 31 Oct 2023 20:31:27 +0000
Subject: [PATCH] Write debug log to tempDir, redirect + download w/ readfile()

---
 ajax/system/sys_debug.php       | 11 ++++++++++-
 ajax/system/sys_get_logfile.php | 21 +++++++++++++++++++++
 app/js/custom.js                | 11 +++++++++--
 3 files changed, 40 insertions(+), 3 deletions(-)
 create mode 100644 ajax/system/sys_get_logfile.php

diff --git a/ajax/system/sys_debug.php b/ajax/system/sys_debug.php
index faad8fd3..8390dafc 100644
--- a/ajax/system/sys_debug.php
+++ b/ajax/system/sys_debug.php
@@ -8,7 +8,16 @@ if (isset($_POST['csrf_token'])) {
         handleInvalidCSRFToken();
     }
     exec( RASPI_CONFIG.'/system/debuglog.sh', $return);
-    echo json_encode(end($return));
+
+    $logOutput = implode(PHP_EOL, $return);
+    $filename = "raspap_debug.log";
+    $tempDir = sys_get_temp_dir();
+    $filePath = $tempDir . DIRECTORY_SEPARATOR . $filename;
+    $handle = fopen($filePath, "w");
+    fwrite($handle, $logOutput);
+    fclose($handle);
+    echo json_encode($filePath);
+
 } else {
     handleInvalidCSRFToken();
 }
diff --git a/ajax/system/sys_get_logfile.php b/ajax/system/sys_get_logfile.php
new file mode 100644
index 00000000..7bcb3445
--- /dev/null
+++ b/ajax/system/sys_get_logfile.php
@@ -0,0 +1,21 @@
+<?php 
+
+require '../../includes/csrf.php';
+
+$filePath = $_GET['filePath'];
+$filename = "raspap_debug.log";
+
+if (isset($filePath) && strpos($filePath, $filename) !== false) {
+    header('Content-Type: application/octet-stream');
+    header('Content-Disposition: attachment; filename='.basename($filePath));
+    header('Expires: 0');
+    header('Cache-Control: must-revalidate');
+    header('Pragma: public');
+    header('Content-Length: '.filesize($filePath));
+    readfile($filePath);
+    exit();
+} else {
+    header('Location: '.'/system_info');
+    exit();
+}
+
diff --git a/app/js/custom.js b/app/js/custom.js
index 1d679dfd..175a609a 100644
--- a/app/js/custom.js
+++ b/app/js/custom.js
@@ -260,10 +260,8 @@ function setDHCPToggles(state) {
     if ($('#dhcp-iface').is(':checked') && !state) {
         $('#dhcp-iface').prop('checked', state);
     }
-
     $('#chkfallback').prop('disabled', state);
     $('#dhcp-iface').prop('disabled', !state);
-    //$('#dhcp-iface').prop('checked', state);
 }
 
 function loadChannel() {
@@ -273,6 +271,15 @@ function loadChannel() {
     });
 }
 
+$('#debugModal').on('shown.bs.modal', function (e) {
+  var csrfToken = $('meta[name=csrf_token]').attr('content');
+  $.post('ajax/system/sys_debug.php',{'csrf_token': csrfToken},function(data){
+        var filePath = JSON.parse(data);
+        window.location.replace('/ajax/system/sys_get_logfile.php?filePath='+filePath);
+        $('#debugModal').modal('hide');
+    });
+});
+
 $('#hostapdModal').on('shown.bs.modal', function (e) {
     var seconds = 3;
     var pct = 0;