Modify client to support config file

Streamer.js

@@ -1,6 +1,7 @@
 const WebSocketStream = require('websocket-stream')
 const CombinedStream = require('combined-stream')
 const { Buffer } = require('buffer')
+const config = require('./config')
 
 class Streamer {
     constructor(socket_uuid, node_uuid, length = 4096, position = 0, descriptor = undefined) {
@@ -12,7 +13,7 @@ class Streamer {
     }
 
     write(buffer) {
-        const write_stream = WebSocketStream(`ws://localhost:5746/?socket_uuid=${this.socket_uuid}&node_uuid=${this.node_uuid}&length=${this.length}&position=${this.position}&writing_file=true&descriptor=${this.descriptor}`, {
+        const write_stream = WebSocketStream(`ws://${config.config.data_server}/?socket_uuid=${this.socket_uuid}&node_uuid=${this.node_uuid}&length=${this.length}&position=${this.position}&writing_file=true&descriptor=${this.descriptor}`, {
             perMessageDeflate: false,
             binary: true,
         })
@@ -29,7 +30,7 @@ class Streamer {
     }
 
     stream() {
-        this.ws = WebSocketStream(`ws://localhost:5746/?socket_uuid=${this.socket_uuid}&node_uuid=${this.node_uuid}&length=${this.length}&position=${this.position}`, {
+        this.ws = WebSocketStream(`ws://${config.config.data_server}/?socket_uuid=${this.socket_uuid}&node_uuid=${this.node_uuid}&length=${this.length}&position=${this.position}`, {
             perMessageDeflate: false,
             binary: true,
         })

config.js

@@ -0,0 +1,30 @@
+const fs = require('fs')
+const home_dir = require('os').homedir()
+const path = require('path')
+
+const exists = async file => {
+    return new Promise(res => {
+        fs.promises.stat(file).then(() => res(true)).catch(() => res(false))
+    })
+}
+
+class ConfigManager {
+    config_path = path.resolve(home_dir, '.config', 'pied-vcs.json')
+
+    async initialize() {
+        if ( !(await exists(this.config_path)) ) {
+            console.error('Pied VCS configuration file does not exist!')
+            console.log(`Please create the file "${this.config_path}" with your authentication token and server information.`)
+            throw new Error('Missing pied-vcs.json file.')
+        }
+
+        this.config = require(this.config_path)
+
+        const required_fields = ['token', 'mountpoint', 'data_server', 'stream_server']
+        if ( !this.config || !required_fields.every(field => this.config[field]) ) {
+            throw new Error('Invalid config.')
+        }
+    }
+}
+
+module.exports = exports = new ConfigManager()

connector.js

@@ -1,10 +1,11 @@
 const Message = require('../shared/Message')
 const WebSocket = require('ws')
 const Errors = require('../shared/Errors')
+const config = require('./config')
 
 class Connector {
-    constructor() {
-        this.client = new WebSocket('ws://localhost:8100')
+    initialize() {
+        this.client = new WebSocket(`ws://${config.config.data_server}`)
         this.messages = []
         this.token;
 

index.js

@@ -1,9 +1,7 @@
-const uuid = require('uuid').v4
 const Fuse = require('fuse-native')
-const fs = require('fs').promises
+const fs = require('fs')
 const conn = require('./connector')
-
-const token = '0257387b959a4cbfa7b3a36fea7d8cfb97e435e2d6454a96992470e5ba107d29b35bed8c21dc4272b4d8d6eebc9a0f5f17b707c37e57442db9ab56775f449128'
+const config = require('./config')
 
 const ops = {
     readdir: require('./ops/readdir'),
@@ -29,12 +27,13 @@ const ops = {
 }
 
 ;(async () => {
-    await conn.open()
-    await conn.authenticate(token)
-    const mnt = '/tmp/piedev-' + uuid()
+    await config.initialize()
 
-    await fs.mkdir(mnt)
+    conn.initialize()
+    await conn.open()
+    await conn.authenticate(config.config.token)
 
+    const mnt = config.config.mountpoint
     const fuse = new Fuse(mnt, ops, {debug: true, displayFolder: true})
 
     await new Promise((res, rej) => {