I can't believe I figured out how to emulate ytmusic api calls

src/lib/server/users.ts

@@ -13,7 +13,7 @@ const initConnectionsTable = `CREATE TABLE IF NOT EXISTS Connections(
     userId VARCHAR(36) NOT NULL,
     type VARCHAR(36) NOT NULL,
     service TEXT,
-    tokens TEXT
+    tokens TEXT,
     FOREIGN KEY(userId) REFERENCES Users(id)
 )`
 db.exec(initUsersTable), db.exec(initConnectionsTable)
@@ -77,11 +77,11 @@ export class Connections {
         return connections
     }
 
-    static addConnection<T extends serviceType>(type: T, connectionData: Omit<DBConnectionData<T>, 'id' | 'type'>): DBConnectionData<T> {
+    static addConnection<T extends serviceType>(type: T, connectionData: Omit<DBConnectionData<T>, 'id' | 'type'>): string {
         const connectionId = generateUUID()
         const { userId, service, tokens } = connectionData
-        db.prepare(`INSERT INTO Connections(id, userId, type, service, tokens) VALUES(?, ?, ?, ?, ?)`).run(connectionId, userId, type, service, tokens)
-        return this.getConnection(connectionId) as DBConnectionData<T>
+        db.prepare(`INSERT INTO Connections(id, userId, type, service, tokens) VALUES(?, ?, ?, ?, ?)`).run(connectionId, userId, type, JSON.stringify(service), JSON.stringify(tokens))
+        return connectionId
     }
 
     static deleteConnection = (id: string): void => {
@@ -91,7 +91,7 @@ export class Connections {
 
     static updateTokens = (id: string, accessToken?: string, refreshToken?: string, expiry?: number): void => {
         const newTokens = { accessToken, refreshToken, expiry }
-        const commandInfo = db.prepare(`UPDATE Connections SET tokens = ? WHERE id = ?`).run(newTokens, id)
+        const commandInfo = db.prepare(`UPDATE Connections SET tokens = ? WHERE id = ?`).run(JSON.stringify(newTokens), id)
         if (commandInfo.changes === 0) throw new Error('Failed to update tokens')
     }
 

src/lib/services.json

@@ -0,0 +1,14 @@
+{
+    "jellyfin": {
+        "displayName": "Jellyfin",
+        "type": ["streaming"],
+        "icon": "https://raw.githubusercontent.com/jellyfin/jellyfin-ux/55616553b692b1a6c7d8e786eeb7d8216e9b50df/branding/SVG/icon-transparent.svg",
+        "primaryColor": "--jellyfin-blue"
+    },
+    "youtube-music": {
+        "displayName": "YouTube Music",
+        "type": ["streaming"],
+        "icon": "https://upload.wikimedia.org/wikipedia/commons/6/6a/Youtube_Music_icon.svg",
+        "primaryColor": "--youtube-red"
+    }
+}

src/lib/services.ts

@@ -1,20 +1,5 @@
 import { google } from 'googleapis'
 
-export const serviceData = {
-    jellyfin: {
-        displayName: 'Jellyfin',
-        type: ['streaming'],
-        icon: 'https://raw.githubusercontent.com/jellyfin/jellyfin-ux/55616553b692b1a6c7d8e786eeb7d8216e9b50df/branding/SVG/icon-transparent.svg',
-        primaryColor: '--jellyfin-blue',
-    },
-    'youtube-music': {
-        displayName: 'YouTube Music',
-        type: ['streaming'],
-        icon: 'https://upload.wikimedia.org/wikipedia/commons/6/6a/Youtube_Music_icon.svg',
-        primaryColor: '--youtube-red',
-    },
-}
-
 export class Jellyfin {
     static audioPresets = (userId: string) => {
         return {
@@ -140,6 +125,16 @@ export class Jellyfin {
 }
 
 export class YouTubeMusic {
+    static baseHeaders = {
+        'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0',
+        accept: '*/*',
+        'accept-encoding': 'gzip, deflate',
+        'content-type': 'application/json',
+        'content-encoding': 'gzip',
+        origin: 'https://music.youtube.com',
+        Cookie: 'SOCS=CAI;',
+    }
+
     static fetchServiceInfo = async (userId: string, accessToken: string): Promise<Connection<'youtube-music'>['service']> => {
         const youtube = google.youtube('v3')
         const userChannelResponse = await youtube.channels.list({ mine: true, part: ['snippet'], access_token: accessToken })
@@ -151,4 +146,58 @@ export class YouTubeMusic {
             profilePicture: userChannel.snippet?.thumbnails?.default?.url as string | undefined,
         }
     }
+
+    static getVisitorId = async (accessToken: string): Promise<string> => {
+        const headers = Object.assign(this.baseHeaders, { authorization: `Bearer ${accessToken}`, 'X-Goog-Request-Time': `${Date.now()}` })
+        const visitorIdResponse = await fetch('https://music.youtube.com', { headers })
+        const visitorIdText = await visitorIdResponse.text()
+        const regex = /ytcfg\.set\s*\(\s*({.+?})\s*\)\s*;/g
+        const matches = []
+        let match
+
+        while ((match = regex.exec(visitorIdText)) !== null) {
+            const capturedGroup = match[1]
+            matches.push(capturedGroup)
+        }
+
+        let visitorId = ''
+        if (matches.length > 0) {
+            const ytcfg = JSON.parse(matches[0])
+            visitorId = ytcfg.VISITOR_DATA
+        }
+
+        return visitorId
+    }
+
+    static getHome = async (accessToken: string) => {
+        const headers = Object.assign(this.baseHeaders, { authorization: `Bearer ${accessToken}`, 'X-Goog-Request-Time': `${Date.now()}` })
+
+        function formatDate(): string {
+            const currentDate = new Date()
+            const year = currentDate.getUTCFullYear()
+            const month = (currentDate.getUTCMonth() + 1).toString().padStart(2, '0') // Months are zero-based, so add 1
+            const day = currentDate.getUTCDate().toString().padStart(2, '0')
+
+            return year + month + day
+        }
+
+        const response = await fetch(`https://music.youtube.com/youtubei/v1/browse?alt=json`, {
+            headers,
+            method: 'POST',
+            body: JSON.stringify({
+                browseId: 'FEmusic_home',
+                context: {
+                    client: {
+                        clientName: 'WEB_REMIX',
+                        clientVersion: '1.' + formatDate() + '.01.00',
+                        hl: 'en',
+                    },
+                },
+            }),
+        })
+
+        const data = await response.json()
+        console.log(response.status)
+        console.log(data.contents.singleColumnBrowseResultsRenderer.tabs[0].tabRenderer.content.sectionListRenderer.contents[0].musicCarouselShelfRenderer.contents[0].musicTwoRowItemRenderer.title)
+    }
 }