CCR-3144: Expose loadTDFStream on Client. (#364)

Author: ntrevino-virtru

lib/tdf3/src/client/index.ts

@@ -14,6 +14,7 @@ import {
   buildKeyAccess,
   EncryptConfiguration,
   fetchKasPublicKey,
+  loadTDFStream,
   unwrapHtml,
   validatePolicyObject,
   readStream,
@@ -614,6 +615,11 @@ export class Client {
     const policyJson = base64.decode(manifest.encryptionInformation.policy);
     return JSON.parse(policyJson).uuid;
   }
+
+  async loadTDFStream({ source }: { source: DecryptSource }) {
+    const chunker = await makeChunkable(source);
+    return loadTDFStream(chunker);
+  }
 }
 
 export type { AuthProvider };

lib/tdf3/src/tdf.ts

@@ -876,7 +876,7 @@ export async function writeStream(cfg: EncryptConfiguration): Promise<DecoratedR
 }
 
 // load the TDF as a stream in memory, for further use in reading and key syncing
-async function loadTDFStream(
+export async function loadTDFStream(
   chunker: Chunker
 ): Promise<{ manifest: Manifest; zipReader: ZipReader; centralDirectory: CentralDirectory[] }> {
   const zipReader = new ZipReader(chunker);