split b64u functions into separate package

[squeep-mystery-box] / lib / mystery-box.js

diff --git a/lib/mystery-box.js b/lib/mystery-box.js
index 6198cc816484b406804cf4a4cdd3c84685bce60e..2343c5e164f79f9d04629a97c366a1fbd0f58595 100644 (file)
--- a/lib/mystery-box.js
+++ b/lib/mystery-box.js
@@ -3,6 +3,7 @@
 const crypto = require('crypto');
 const zlib = require('zlib');
 const { promisify } = require('util');
+const { base64ToBase64URL, base64URLToBase64 } = require('@squeep/base64url');
 const common = require('./common');
 const allVersions = require('./version-parameters');
 const { performance } = require('perf_hooks');
@@ -183,7 +184,7 @@ class MysteryBox {
     const tag = cipher.getAuthTag();
 
     const merged = Buffer.concat([versionBuffer, flagsBuffer, iv, salt, tag, encrypted, final]).toString('base64');
-    const result = common.base64ToBase64URL(merged);
+    const result = base64ToBase64URL(merged);
     timingsMs.end = timingsMs.postCrypt = performance.now();
 
     this.logger.debug(_scope, 'statistics', { version, flags: this._prettyFlags(flags), serialized: contents.length, compressed: payload.length, encoded: result.length, ...MysteryBox._timingsLog(timingsMs) });
@@ -212,7 +213,7 @@ class MysteryBox {
       throw new RangeError('nothing to unpack');
     }
 
-    const raw = Buffer.from(common.base64URLToBase64(box), 'base64');
+    const raw = Buffer.from(base64URLToBase64(box), 'base64');
     let offset = 0;
 
     const version = raw.slice(offset, 1).readUInt8(0);