From 28d5187c836318876a0115da8264ab8b66509f95 Mon Sep 17 00:00:00 2001
From: AhsanJavaid <ahsan.javaid@tintash.com>
Date: Wed, 25 Aug 2021 12:35:16 +0500
Subject: [PATCH] feat: export user app file url from storage

---
 packages/storage/src/storage.ts        |  15 ++++
 packages/storage/tests/storage.test.ts | 106 ++++++++++++++++++++++++-
 2 files changed, 120 insertions(+), 1 deletion(-)

diff --git a/packages/storage/src/storage.ts b/packages/storage/src/storage.ts
index 3ef469399..b2427210f 100644
--- a/packages/storage/src/storage.ts
+++ b/packages/storage/src/storage.ts
@@ -833,6 +833,21 @@ export class Storage {
   }
 }
 
+type FileUrlOptions = {
+  path: string;
+  username: string;
+  appOrigin: string;
+  zoneFileLookupURL: string;
+};
+export function getUserAppFileUrl(options: FileUrlOptions): Promise<string | undefined> {
+  return new Storage({}).getUserAppFileUrl(
+    options.path,
+    options.username,
+    options.appOrigin,
+    options.zoneFileLookupURL
+  );
+}
+
 /**
  * @param {Object} [options=null] - options object
  * @param {String} options.username - the Blockstack ID to lookup for multi-player storage
diff --git a/packages/storage/tests/storage.test.ts b/packages/storage/tests/storage.test.ts
index 0e7d78fec..a7281ebb3 100644
--- a/packages/storage/tests/storage.test.ts
+++ b/packages/storage/tests/storage.test.ts
@@ -7,12 +7,13 @@ import {
   getBucketUrl,
   deleteFromGaiaHub,
   GaiaHubConfig,
+  getUserAppFileUrl,
 } from '../src';
 
 import { Storage } from '../src';
 
 import { UserSession, AppConfig, UserData } from '@stacks/auth';
-import { DoesNotExist, getAesCbcOutputLength, getBase64OutputLength } from '@stacks/common';
+import { DoesNotExist, getAesCbcOutputLength, getBase64OutputLength, fetchPrivate } from '@stacks/common';
 import { StacksMainnet } from '@stacks/network';
 import * as util from 'util';
 import * as jsdom from 'jsdom';
@@ -2118,6 +2119,109 @@ test('getUserAppFileUrl', async () => {
   });
 });
 
+test('getUserAppFileUrl without user session', async () => {
+  const fileUrl = 'https://gaia.blockstack.org/hub/1DDUqfKtQgYNt722wuB4Z2fPC7aiNGQa5R/file.json';
+  const zoneFileLookupURL = 'https://potato/v1/names';
+  const path = 'file.json';
+  const username = 'yukan.id';
+  const appOrigin = 'http://localhost:8080';
+  const nameRecord = {
+    status: 'registered',
+    zonefile:
+      '$ORIGIN yukan.id\n$TTL 3600\n_http._tcp URI 10 1 "https://gaia.testblockstack.org/hub/16zVUoP7f15nfTiHw2UNiX8NT5SWYqwNv3/0/profile.json"\n',
+    expire_block: 581432,
+    blockchain: 'bitcoin',
+    last_txid: 'f7fa811518566b1914a098c3bd61a810aee56390815bd608490b0860ac1b5b4d',
+    address: 'SP10VG75GE4PE0VBA3KD3NVKSYEMM3YV9V17HJ32N',
+    zonefile_hash: '98f42e11026d42d394b3424d4d7f0cccd6f376e2',
+  };
+  /* eslint-disable */
+  const profileContent = [
+    {
+      'token': 'eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NksifQ.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.UyQNZ02kBFHEovbwiGaS-VQd57w9kcwn1Nt3QbW3afEMArg1OndmeplB7lzjMuRCLAi-88lkpQLkFw7LwKZ31Q',
+      'decodedToken': {
+        'header': {
+          'typ': 'JWT',
+          'alg': 'ES256K'
+        },
+        'payload': {
+          'jti': 'c48f9448-a0fe-4b9e-9d6a-fc0938c8e270',
+          'iat': '2018-01-08T18:22:24.796Z',
+          'exp': '2019-01-08T18:22:24.796Z',
+          'subject': {
+            'publicKey': '02487a91cd966faecee2aef3fde372809b46a36ee19248c01f72b645f44cef2e2c'
+          },
+          'issuer': {
+            'publicKey': '02487a91cd966faecee2aef3fde372809b46a36ee19248c01f72b645f44cef2e2c'
+          },
+          'claim': {
+            '@type': 'Person',
+            '@context': 'http://schema.org',
+            'image': [
+              {
+                '@type': 'ImageObject',
+                'name': 'avatar',
+                'contentUrl': 'https://www.dropbox.com/s/j1h0kts0m7aadip/avatar-0?dl=1'
+              }
+            ],
+            'givenName': '',
+            'familyName': '',
+            'description': '',
+            'account': [
+              {
+                '@type': 'Account',
+                'placeholder': false,
+                'service': 'hackerNews',
+                'identifier': 'yukanl',
+                'proofType': 'http',
+                'proofUrl': 'https://news.ycombinator.com/user?id=yukanl'
+              },
+              {
+                '@type': 'Account',
+                'placeholder': false,
+                'service': 'github',
+                'identifier': 'yknl',
+                'proofType': 'http',
+                'proofUrl': 'https://gist.github.com/yknl/1f7018b98f716f015a6cf44fda0806d7'
+              },
+              {
+                '@type': 'Account',
+                'placeholder': false,
+                'service': 'twitter',
+                'identifier': 'yukanl',
+                'proofType': 'http',
+                'proofUrl': 'https://twitter.com/yukanL/status/916740749236101120'
+              }
+            ],
+            'name': 'Ken Liao',
+            'apps': {
+              'http://localhost:8080': 'https://gaia.blockstack.org/hub/1DDUqfKtQgYNt722wuB4Z2fPC7aiNGQa5R/'
+            }
+          }
+        },
+        'signature': 'UyQNZ02kBFHEovbwiGaS-VQd57w9kcwn1Nt3QbW3afEMArg1OndmeplB7lzjMuRCLAi-88lkpQLkFw7LwKZ31Q'
+      }
+    }
+  ]
+  /* eslint-enable */
+  const fileContents = JSON.stringify({ key: 'value' });
+
+  fetchMock.once(JSON.stringify(nameRecord)).once(JSON.stringify(profileContent)).once(fileContents);
+
+  const url = await getUserAppFileUrl({
+    path,
+    username,
+    appOrigin,
+    zoneFileLookupURL
+  });
+
+  expect(url).toBeTruthy();
+  expect(url).toEqual(fileUrl);
+
+  const contents = await fetchPrivate( url as string ).then(res => res.json());
+  expect(JSON.stringify(contents)).toEqual(fileContents);
+});
+
 test('listFiles', async () => {
   const path = 'file.json';
   const gaiaHubConfig = {