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Reorder metadata: scary stuff first, clean up formatting

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Lead with GPS location (reverse geocoded), date, camera/device.
Combine aperture/exposure/ISO/focal length into one "Settings" line
with rounded values. Technical details (dimensions, ICC, EXIF/XMP
data sizes) at the bottom.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Matthew Jackson
2026-03-13 18:28:57 -07:00
parent 7775641fe7
commit 547fa04d57
1 changed files with 37 additions and 26 deletions
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63
server.js
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@@ -424,7 +424,7 @@ app.get("/", (_req, res) => {
td1.textContent = k;
const td2 = document.createElement("td");
td2.textContent = meta[k];
if (meta[k].includes("⚠")) td2.className = "warn";
if (k === "GPS Location") td2.className = "warn";
tr.appendChild(td1);
tr.appendChild(td2);
removedBody.appendChild(tr);
@@ -471,32 +471,15 @@ app.get("/", (_req, res) => {
});
async function extractMetadata(buf) {
const removed = {};
const items = [];
try {
const meta = await sharp(buf, { failOnError: false }).metadata();
if (meta.width && meta.height) removed["Dimensions"] = `${meta.width} × ${meta.height}`;
if (meta.format) removed["Format"] = meta.format.toUpperCase();
if (meta.space) removed["Color Space"] = meta.space;
if (meta.density) removed["DPI"] = String(meta.density);
if (meta.hasProfile) removed["ICC Profile"] = meta.icc ? `${(meta.icc.length / 1024).toFixed(1)} KB` : "Yes";
if (meta.orientation && meta.orientation !== 1) removed["Orientation"] = String(meta.orientation);
if (meta.exif) {
removed["EXIF Data"] = `${(meta.exif.length / 1024).toFixed(1)} KB`;
try {
const exif = exifReader(meta.exif);
if (exif.Image?.Make) removed["Camera Make"] = String(exif.Image.Make);
if (exif.Image?.Model) removed["Camera Model"] = String(exif.Image.Model);
if (exif.Image?.Software) removed["Software"] = String(exif.Image.Software);
if (exif.Photo?.DateTimeOriginal) {
const d = exif.Photo.DateTimeOriginal;
removed["Date Taken"] = d instanceof Date ? d.toISOString().slice(0, 19).replace("T", " ") : String(d);
}
if (exif.Photo?.LensModel) removed["Lens"] = String(exif.Photo.LensModel);
if (exif.Photo?.ExposureTime) removed["Exposure"] = `1/${Math.round(1 / exif.Photo.ExposureTime)}s`;
if (exif.Photo?.FNumber) removed["Aperture"] = `f/${exif.Photo.FNumber}`;
if (exif.Photo?.ISOSpeedRatings) removed["ISO"] = String(exif.Photo.ISOSpeedRatings);
if (exif.Photo?.FocalLength) removed["Focal Length"] = `${exif.Photo.FocalLength}mm`;
// Scary / identifiable stuff first
if (exif.GPSInfo?.GPSLatitude && exif.GPSInfo?.GPSLongitude) {
const lat = exif.GPSInfo.GPSLatitude;
const lng = exif.GPSInfo.GPSLongitude;
@@ -517,16 +500,44 @@ async function extractMetadata(buf) {
if (geo.display_name) loc = geo.display_name;
}
} catch {}
removed["GPS Location"] = loc + " — Removed!";
items.push(["GPS Location", loc]);
}
if (exif.Photo?.ImageUniqueID) removed["Unique ID"] = "Removed";
if (exif.Image?.HostComputer) removed["Device"] = String(exif.Image.HostComputer);
if (exif.Photo?.DateTimeOriginal) {
const d = exif.Photo.DateTimeOriginal;
items.push(["Date Taken", d instanceof Date ? d.toISOString().slice(0, 19).replace("T", " ") : String(d)]);
}
if (exif.Image?.Make && exif.Image?.Model) {
items.push(["Camera", `${exif.Image.Make} ${exif.Image.Model}`]);
} else if (exif.Image?.Model) {
items.push(["Camera", String(exif.Image.Model)]);
}
if (exif.Image?.HostComputer) items.push(["Device", String(exif.Image.HostComputer)]);
if (exif.Photo?.LensModel) items.push(["Lens", String(exif.Photo.LensModel)]);
if (exif.Photo?.ImageUniqueID) items.push(["Unique ID", String(exif.Photo.ImageUniqueID)]);
// Camera settings
const settings = [];
if (exif.Photo?.FNumber) settings.push(`f/${Math.round(exif.Photo.FNumber * 100) / 100}`);
if (exif.Photo?.ExposureTime) settings.push(`1/${Math.round(1 / exif.Photo.ExposureTime)}s`);
if (exif.Photo?.ISOSpeedRatings) settings.push(`ISO ${exif.Photo.ISOSpeedRatings}`);
if (exif.Photo?.FocalLength) settings.push(`${Math.round(exif.Photo.FocalLength * 100) / 100}mm`);
if (settings.length) items.push(["Settings", settings.join(" ")]);
} catch {}
}
if (meta.iptc) removed["IPTC Data"] = `${(meta.iptc.length / 1024).toFixed(1)} KB`;
if (meta.xmp) removed["XMP Data"] = `${(meta.xmp.length / 1024).toFixed(1)} KB`;
// Technical details at the bottom
if (meta.width && meta.height) items.push(["Dimensions", `${meta.width} × ${meta.height}`]);
if (meta.hasProfile && meta.icc) items.push(["ICC Profile", `${(meta.icc.length / 1024).toFixed(1)} KB`]);
if (meta.exif) items.push(["EXIF Data", `${(meta.exif.length / 1024).toFixed(1)} KB`]);
if (meta.xmp) items.push(["XMP Data", `${(meta.xmp.length / 1024).toFixed(1)} KB`]);
if (meta.iptc) items.push(["IPTC Data", `${(meta.iptc.length / 1024).toFixed(1)} KB`]);
} catch {}
// Convert to ordered object
const removed = {};
for (const [k, v] of items) removed[k] = v;
return removed;
}