From c42f08a0832a9abdd131be246d339df2c2ce00f3 Mon Sep 17 00:00:00 2001
From: yamato matsuoka <yamaton@gmail.com>
Date: Fri, 17 Nov 2023 05:57:29 -0500
Subject: [PATCH] Resolve 'Show Logs' issue by adding _xsrf token in JupyterHub
 4 (#61)

Co-authored-by: Jeremy Tuloup <jeremy.tuloup@gmail.com>
---
 tljh_repo2docker/static/js/images.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tljh_repo2docker/static/js/images.js b/tljh_repo2docker/static/js/images.js
index 9d0aeb0..ee186db 100644
--- a/tljh_repo2docker/static/js/images.js
+++ b/tljh_repo2docker/static/js/images.js
@@ -128,6 +128,11 @@ require([
       fitAddon.fit();
 
       var logsUrl = utils.url_path_join(base_url, "api", "environments", image, "logs");
+      if (api.xsrf_token) {
+        // add xsrf token to url parameter
+        var sep = logsUrl.indexOf("?") === -1 ? "?" : "&";
+        logsUrl = logsUrl + sep + "_xsrf=" + api.xsrf_token;
+      }
       eventSource = new EventSource(logsUrl);
       eventSource.onerror = function(err) {
         console.error("Failed to construct event stream", err);