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fix: use file-type for mime sniffing

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This commit is contained in:
Peter Steinberger
2025-12-20 19:13:50 +01:00
parent 1356498ee1
commit 36c85a617a
14 changed files with 5291 additions and 91 deletions
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2
src/web/auto-reply.ts
View File

@@ -624,7 +624,7 @@ async function deliverWebReply(params: {
"media:video",
);
} else {
const fileName = mediaUrl.split("/").pop() ?? "file";
const fileName = media.fileName ?? mediaUrl.split("/").pop() ?? "file";
const mimetype = media.contentType ?? "application/octet-stream";
await sendWithRetry(
() =>

16
src/web/media.ts
View File

@@ -8,7 +8,7 @@ import {
mediaKindFromMime,
} from "../media/constants.js";
import { resizeToJpeg } from "../media/image-ops.js";
import { detectMime } from "../media/mime.js";
import { detectMime, extensionForMime } from "../media/mime.js";
export async function loadWebMedia(
mediaUrl: string,
@@ -59,11 +59,15 @@ export async function loadWebMedia(
throw new Error(`Failed to fetch media: HTTP ${res.status}`);
}
const array = Buffer.from(await res.arrayBuffer());
const contentType = detectMime({
const contentType = await detectMime({
buffer: array,
headerMime: res.headers.get("content-type"),
filePath: mediaUrl,
});
if (fileName && !path.extname(fileName) && contentType) {
const ext = extensionForMime(contentType);
if (ext) fileName = `${fileName}${ext}`;
}
const kind = mediaKindFromMime(contentType);
const cap = Math.min(
maxBytes ?? maxBytesForKind(kind),
@@ -89,9 +93,13 @@ export async function loadWebMedia(
// Local path
const data = await fs.readFile(mediaUrl);
const mime = detectMime({ buffer: data, filePath: mediaUrl });
const mime = await detectMime({ buffer: data, filePath: mediaUrl });
const kind = mediaKindFromMime(mime);
const fileName = path.basename(mediaUrl) || undefined;
let fileName = path.basename(mediaUrl) || undefined;
if (fileName && !path.extname(fileName) && mime) {
const ext = extensionForMime(mime);
if (ext) fileName = `${fileName}${ext}`;
}
const cap = Math.min(
maxBytes ?? maxBytesForKind(kind),
maxBytesForKind(kind),