get url server

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';

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;
+};