Fun with (raw) deflate

1 files changed, 14 insertions, 1 deletions

diff --git a/web/index.js b/web/index.js
index c6fb3f7..e8accf0 100644
--- a/web/index.js
+++ b/web/index.js
@@ -102,12 +102,25 @@ async function getSysinfo() {
 }
 
 async function load(gpxFile) {
+    let compressedParts = [];
+    const compressedReader = gpxFile.stream().pipeThrough(new CompressionStream("deflate-raw")).getReader();
+    while (true) {
+        const { done, value } = await compressedReader.read();
+        if (done) {
+            break;
+        } else {
+            compressedParts.push(value);
+        }
+    }
+
     const rsp = await fetch(apiBaseUrl + "/gpx", {
         method: "POST",
         headers: {
             "Accept-Language": "nl-NL",
+            "Content-Encoding": "x-deflate-raw",
+            "Content-Type": "application/gpx+xml",
         },
-        body: gpxFile,
+        body: new Blob(compressedParts),
     });
     if (!rsp.ok) {
         await showProblem(rsp);