matthew/PostConvert
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Return metadata as JSON body instead of response header

Browse Source 
Fly.io proxy was stripping the custom X-Removed-Metadata header.
Now the web UI requests Accept: application/json and the /strip
endpoint returns {image, metadata} as JSON. Raw JPEG clients
still get the old behavior.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Matthew Jackson
2026-03-13 18:09:57 -07:00
parent 6a155728af
commit 37c7076dba
1 changed files with 36 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
server.js
View File

@@ -394,6 +394,7 @@ app.get("/", (_req, res) => {
headers: { headers: {
"Authorization": "Bearer " + token, "Authorization": "Bearer " + token,
"Content-Type": file.type || "image/jpeg", "Content-Type": file.type || "image/jpeg",
"Accept": "application/json",
}, },
body: file, body: file,
}); });
@@ -410,30 +411,33 @@ app.get("/", (_req, res) => {
throw new Error(err.message || "Strip failed"); throw new Error(err.message || "Strip failed");
} }
const data = await res.json();
// Show removed metadata // Show removed metadata
const metaHeader = res.headers.get("X-Removed-Metadata"); const meta = data.metadata;
if (metaHeader) { if (meta) {
try { const keys = Object.keys(meta);
const meta = JSON.parse(metaHeader); if (keys.length > 0) {
const keys = Object.keys(meta); keys.forEach(function(k) {
if (keys.length > 0) { const tr = document.createElement("tr");
keys.forEach(function(k) { const td1 = document.createElement("td");
const tr = document.createElement("tr"); td1.textContent = k;
const td1 = document.createElement("td"); const td2 = document.createElement("td");
td1.textContent = k; td2.textContent = meta[k];
const td2 = document.createElement("td"); if (meta[k].includes("⚠")) td2.className = "warn";
td2.textContent = meta[k]; tr.appendChild(td1);
if (meta[k].includes("⚠")) td2.className = "warn"; tr.appendChild(td2);
tr.appendChild(td1); removedBody.appendChild(tr);
tr.appendChild(td2); });
removedBody.appendChild(tr); removedDiv.style.display = "";
}); }
removedDiv.style.display = "";
}
} catch {}
} }
const blob = await res.blob(); // Download clean image
const byteString = atob(data.image);
const bytes = new Uint8Array(byteString.length);
for (let i = 0; i < byteString.length; i++) bytes[i] = byteString.charCodeAt(i);
const blob = new Blob([bytes], { type: "image/jpeg" });
const url = URL.createObjectURL(blob); const url = URL.createObjectURL(blob);
const a = document.createElement("a"); const a = document.createElement("a");
const name = (file.name || "photo").replace(/\\.[^.]+$/, "") + "_clean.jpg"; const name = (file.name || "photo").replace(/\\.[^.]+$/, "") + "_clean.jpg";
@@ -536,11 +540,18 @@ app.post("/strip", async (req, res) => {
} }
if (isAborted(req, res)) return; if (isAborted(req, res)) return;
// If client wants JSON, return image + metadata together
const wantsJson = String(req.headers["accept"] || "").includes("application/json");
if (wantsJson) {
res.setHeader("Content-Type", "application/json");
return res.json({
image: jpeg.toString("base64"),
metadata: removed,
});
}
res.setHeader("Content-Type", "image/jpeg"); res.setHeader("Content-Type", "image/jpeg");
try {
res.setHeader("X-Removed-Metadata", JSON.stringify(removed));
res.setHeader("Access-Control-Expose-Headers", "X-Removed-Metadata");
} catch {}
return res.send(jpeg); return res.send(jpeg);
} catch (e) { } catch (e) {
const status = e?.statusCode || 500; const status = e?.statusCode || 500;