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web/src/decrypt/raw.js

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import {SniffAudioExt} from "@/decrypt/utils.ts";
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const musicMetadata = require("music-metadata-browser");
import {AudioMimeType, GetArrayBuffer, GetMetaCoverURL, GetFileInfo} from "./util";
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export async function Decrypt(file, raw_filename, raw_ext, detect = true) {
let ext = raw_ext;
if (detect) {
const buffer = new Uint8Array(await GetArrayBuffer(file));
ext = SniffAudioExt(buffer, raw_ext);
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if (ext !== raw_ext) file = new Blob([buffer], {type: AudioMimeType[ext]})
}
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const tag = await musicMetadata.parseBlob(file);
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const info = GetFileInfo(tag.common.artist, tag.common.title, raw_filename);
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return {
status: true,
title: info.title,
artist: info.artist,
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ext: ext,
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album: tag.common.album,
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picture: GetMetaCoverURL(tag),
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file: URL.createObjectURL(file),
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mime: AudioMimeType[ext]
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}
}