Added deezer utils

deemix/decryption.js

@@ -1,24 +1,8 @@
-const crypto = require('crypto')
 const got = require('got')
+const {_md5, _ecbCrypt, _ecbDecrypt} = require('./utils/crypto.js')
 
 const { USER_AGENT_HEADER, pipeline } = require('./utils/index.js')
 
-function _md5 (data, type = 'binary') {
-  let md5sum = crypto.createHash('md5')
-  md5sum.update(Buffer.from(data, type))
-  return md5sum.digest('hex')
-}
-
-function _ecbCrypt (key, data) {
-  let cipher = crypto.createCipheriv("aes-128-ecb", Buffer.from(key), Buffer.from(""));
-  return Buffer.concat([cipher.update(data, 'binary'), cipher.final()]).toString("hex").toLowerCase();
-}
-
-function _ecbDecrypt (key, data) {
-  let cipher = crypto.createDecipheriv("aes-128-ecb", Buffer.from(key), Buffer.from(""));
-  return Buffer.concat([cipher.update(data, 'binary'), cipher.final()]).toString("hex").toLowerCase();
-}
-
 function generateStreamPath(sngID, md5, mediaVersion, format){
   let urlPart = md5+"¤"+format+"¤"+sngID+"¤"+mediaVersion
   let md5val = _md5(urlPart)
@@ -118,26 +102,10 @@ class DownloadCanceled extends Error {
 }
 
 /*
-function generateBlowfishKey(trackId) {
-	const SECRET = 'g4el58wc0zvf9na1';
-	const idMd5 = _md5(trackId.toString(), 'ascii')
-	let bfKey = ''
-	for (let i = 0; i < 16; i++) {
-		bfKey += String.fromCharCode(idMd5.charCodeAt(i) ^ idMd5.charCodeAt(i + 16) ^ SECRET.charCodeAt(i))
-	}
-	return bfKey;
-}
-
 function generateCryptedStreamURL(sngID, md5, mediaVersion, format){
   let urlPart = generateStreamPath(sngID, md5, mediaVersion, format)
   return "https://e-cdns-proxy-" + md5[0] + ".dzcdn.net/mobile/1/" + urlPart
 }
-
-function decryptChunk(chunk, blowFishKey){
-  var cipher = crypto.createDecipheriv('bf-cbc', blowFishKey, Buffer.from([0, 1, 2, 3, 4, 5, 6, 7]))
-  cipher.setAutoPadding(false)
-  return cipher.update(chunk, 'binary', 'binary') + cipher.final()
-}
 */
 
 module.exports = {

deemix/index.js

@@ -97,6 +97,7 @@ module.exports = {
   utils: {
     ...require('./utils/index.js'),
     localpaths: require('./utils/localpaths.js'),
-    pathtemplates: require('./utils/pathtemplates.js')
+    pathtemplates: require('./utils/pathtemplates.js'),
+    deezer: require('./utils/deezer.js')
   }
 }

deemix/utils/crypto.js

@@ -0,0 +1,41 @@
+const crypto = require('crypto')
+
+function _md5 (data, type = 'binary') {
+  let md5sum = crypto.createHash('md5')
+  md5sum.update(Buffer.from(data, type))
+  return md5sum.digest('hex')
+}
+
+function _ecbCrypt (key, data) {
+  let cipher = crypto.createCipheriv("aes-128-ecb", Buffer.from(key), Buffer.from(""));
+  return Buffer.concat([cipher.update(data, 'binary'), cipher.final()]).toString("hex").toLowerCase();
+}
+
+function _ecbDecrypt (key, data) {
+  let cipher = crypto.createDecipheriv("aes-128-ecb", Buffer.from(key), Buffer.from(""));
+  return Buffer.concat([cipher.update(data, 'binary'), cipher.final()]).toString("hex").toLowerCase();
+}
+
+/*
+function generateBlowfishKey(trackId) {
+	const SECRET = 'g4el58wc0zvf9na1';
+	const idMd5 = _md5(trackId.toString(), 'ascii')
+	let bfKey = ''
+	for (let i = 0; i < 16; i++) {
+		bfKey += String.fromCharCode(idMd5.charCodeAt(i) ^ idMd5.charCodeAt(i + 16) ^ SECRET.charCodeAt(i))
+	}
+	return bfKey;
+}
+
+function decryptChunk(chunk, blowFishKey){
+  var cipher = crypto.createDecipheriv('bf-cbc', blowFishKey, Buffer.from([0, 1, 2, 3, 4, 5, 6, 7]))
+  cipher.setAutoPadding(false)
+  return cipher.update(chunk, 'binary', 'binary') + cipher.final()
+}
+*/
+
+module.exports = {
+  _md5,
+  _ecbCrypt,
+  _ecbDecrypt
+}

deemix/utils/deezer.js

@@ -0,0 +1,31 @@
+const got = require('got')
+const {CookieJar} = require('tough-cookie')
+const {_md5} = require('./crypto.js')
+const { USER_AGENT_HEADER } = require('./index.js')
+
+async function getAccessToken(email, password){
+  password = _md5(password, 'utf8')
+  let response = await got.get(`https://tv.deezer.com/smarttv/8caf9315c1740316053348a24d25afc7/user_auth.php?login=${email}&password=${password}&device=panasonic&output=jsonp`,{
+    headers: {"User-Agent": USER_AGENT_HEADER}
+  }).json()
+  console.log(response)
+  return response.access_token
+}
+
+async function getArlFromAccessToken(accessToken){
+  let cookieJar = new CookieJar()
+  await got.get("https://api.deezer.com/platform/generic/track/3135556", {
+    headers: {"Authorization": `Bearer ${accessToken}`, "User-Agent": USER_AGENT_HEADER},
+    cookieJar
+  })
+  let response = await got.get('https://www.deezer.com/ajax/gw-light.php?method=user.getArl&input=3&api_version=1.0&api_token=null', {
+    headers: {"User-Agent": USER_AGENT_HEADER},
+    cookieJar
+  }).json()
+  return response.results
+}
+
+module.exports = {
+  getAccessToken,
+  getArlFromAccessToken
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "deemix",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "description": "a barebones deezer downloader library",
   "main": "deemix/index.js",
   "scripts": {