new plugin AppleMusicRichPresence (#2455)

Co-authored-by: Vendicated <vendicated@riseup.net>

src/plugins/appleMusic.desktop/native.ts

@@ -0,0 +1,120 @@
+/*
+ * Vencord, a Discord client mod
+ * Copyright (c) 2024 Vendicated and contributors
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+import { execFile } from "child_process";
+import { promisify } from "util";
+
+import type { TrackData } from ".";
+
+const exec = promisify(execFile);
+
+// function exec(file: string, args: string[] = []) {
+//     return new Promise<{ code: number | null, stdout: string | null, stderr: string | null; }>((resolve, reject) => {
+//         const process = spawn(file, args, { stdio: [null, "pipe", "pipe"] });
+
+//         let stdout: string | null = null;
+//         process.stdout.on("data", (chunk: string) => { stdout ??= ""; stdout += chunk; });
+//         let stderr: string | null = null;
+//         process.stderr.on("data", (chunk: string) => { stdout ??= ""; stderr += chunk; });
+
+//         process.on("exit", code => { resolve({ code, stdout, stderr }); });
+//         process.on("error", err => reject(err));
+//     });
+// }
+
+async function applescript(cmds: string[]) {
+    const { stdout } = await exec("osascript", cmds.map(c => ["-e", c]).flat());
+    return stdout;
+}
+
+function makeSearchUrl(type: string, query: string) {
+    const url = new URL("https://tools.applemediaservices.com/api/apple-media/music/US/search.json");
+    url.searchParams.set("types", type);
+    url.searchParams.set("limit", "1");
+    url.searchParams.set("term", query);
+    return url;
+}
+
+const requestOptions: RequestInit = {
+    headers: { "user-agent": "Mozilla/5.0 (Windows NT 10.0; rv:125.0) Gecko/20100101 Firefox/125.0" },
+};
+
+interface RemoteData {
+    appleMusicLink?: string,
+    songLink?: string,
+    albumArtwork?: string,
+    artistArtwork?: string;
+}
+
+let cachedRemoteData: { id: string, data: RemoteData; } | { id: string, failures: number; } | null = null;
+
+async function fetchRemoteData({ id, name, artist, album }: { id: string, name: string, artist: string, album: string; }) {
+    if (id === cachedRemoteData?.id) {
+        if ("data" in cachedRemoteData) return cachedRemoteData.data;
+        if ("failures" in cachedRemoteData && cachedRemoteData.failures >= 5) return null;
+    }
+
+    try {
+        const [songData, artistData] = await Promise.all([
+            fetch(makeSearchUrl("songs", artist + " " + album + " " + name), requestOptions).then(r => r.json()),
+            fetch(makeSearchUrl("artists", artist.split(/ *[,&] */)[0]), requestOptions).then(r => r.json())
+        ]);
+
+        const appleMusicLink = songData?.songs?.data[0]?.attributes.url;
+        const songLink = songData?.songs?.data[0]?.id ? `https://song.link/i/${songData?.songs?.data[0]?.id}` : undefined;
+
+        const albumArtwork = songData?.songs?.data[0]?.attributes.artwork.url.replace("{w}", "512").replace("{h}", "512");
+        const artistArtwork = artistData?.artists?.data[0]?.attributes.artwork.url.replace("{w}", "512").replace("{h}", "512");
+
+        cachedRemoteData = {
+            id,
+            data: { appleMusicLink, songLink, albumArtwork, artistArtwork }
+        };
+        return cachedRemoteData.data;
+    } catch (e) {
+        console.error("[AppleMusicRichPresence] Failed to fetch remote data:", e);
+        cachedRemoteData = {
+            id,
+            failures: (id === cachedRemoteData?.id && "failures" in cachedRemoteData ? cachedRemoteData.failures : 0) + 1
+        };
+        return null;
+    }
+}
+
+export async function fetchTrackData(): Promise<TrackData | null> {
+    try {
+        await exec("pgrep", ["^Music$"]);
+    } catch (error) {
+        return null;
+    }
+
+    const playerState = await applescript(['tell application "Music"', "get player state", "end tell"])
+        .then(out => out.trim());
+    if (playerState !== "playing") return null;
+
+    const playerPosition = await applescript(['tell application "Music"', "get player position", "end tell"])
+        .then(text => Number.parseFloat(text.trim()));
+
+    const stdout = await applescript([
+        'set output to ""',
+        'tell application "Music"',
+        "set t_id to database id of current track",
+        "set t_name to name of current track",
+        "set t_album to album of current track",
+        "set t_artist to artist of current track",
+        "set t_duration to duration of current track",
+        'set output to "" & t_id & "\\n" & t_name & "\\n" & t_album & "\\n" & t_artist & "\\n" & t_duration',
+        "end tell",
+        "return output"
+    ]);
+
+    const [id, name, album, artist, durationStr] = stdout.split("\n").filter(k => !!k);
+    const duration = Number.parseFloat(durationStr);
+
+    const remoteData = await fetchRemoteData({ id, name, artist, album });
+
+    return { name, album, artist, playerPosition, duration, ...remoteData };
+}