From 65b4b336771dab903ce12d920e937be00e65578f Mon Sep 17 00:00:00 2001
From: Sayem Chowdhury <sayem314@gmail.com>
Date: Tue, 23 Mar 2021 17:53:53 +0600
Subject: [PATCH] get url server

---
 src/index.ts       |  1 +
 src/lib/get-url.ts | 60 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 src/lib/get-url.ts

diff --git a/src/index.ts b/src/index.ts
index db9eb48..3904bcf 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,5 @@
 export {initDeezerApi} from './lib/request';
 export * from './api';
 export * from './lib/decrypt';
+export * from './lib/get-url';
 export * from './metadata-writer';
diff --git a/src/lib/get-url.ts b/src/lib/get-url.ts
new file mode 100644
index 0000000..b82a8ab
--- /dev/null
+++ b/src/lib/get-url.ts
@@ -0,0 +1,60 @@
+import axios from 'axios';
+
+interface getUrlType {
+  data: [
+    {
+      media: [
+        {
+          cipher: {
+            type: 'BF_CBC_STRIPE';
+          };
+          exp: number;
+          format: string;
+          media_type: 'FULL';
+          nbf: number;
+          sources: [
+            {
+              provider: 'ec';
+              url: string;
+            },
+            {
+              provider: 'ak';
+              url: string;
+            },
+          ];
+        },
+      ];
+    },
+  ];
+}
+
+let license_token: string | null = null;
+
+const getLicenseToken = async (): Promise<string> => {
+  const {data} = await axios.get('https://www.deezer.com/ajax/gw-light.php', {
+    params: {
+      method: 'deezer.getUserData',
+      api_version: '1.0',
+      api_token: '',
+      cid: Math.floor(1e9 * Math.random()),
+    },
+  });
+  license_token = data.results.USER.OPTIONS.license_token;
+  return data.results.USER.OPTIONS.license_token;
+};
+
+export const getTrackUrlFromServer = async (track_token: string, format: string): Promise<getUrlType> => {
+  const token = license_token ? license_token : await getLicenseToken();
+  const {data} = await axios.post('https://media.deezer.com/v1/get_url', {
+    license_token: token,
+    media: [
+      {
+        type: 'FULL',
+        formats: [{format, cipher: 'BF_CBC_STRIPE'}],
+      },
+    ],
+    track_tokens: [track_token],
+  });
+
+  return data;
+};