From d8b72fbac8eda8778066fc08e8649ea1fa4ae88c Mon Sep 17 00:00:00 2001
From: Ali <>
Date: Sat, 28 Dec 2019 02:07:19 +0400
Subject: [PATCH] Fix CDN file part alignment

---
 submodules/TelegramCore/Sources/MultipartFetch.swift | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/submodules/TelegramCore/Sources/MultipartFetch.swift b/submodules/TelegramCore/Sources/MultipartFetch.swift
index 85eff452bc..1dc4acf550 100644
--- a/submodules/TelegramCore/Sources/MultipartFetch.swift
+++ b/submodules/TelegramCore/Sources/MultipartFetch.swift
@@ -385,7 +385,7 @@ private enum MultipartFetchSource {
 private final class MultipartFetchManager {
     let parallelParts: Int
     let defaultPartSize = 128 * 1024
-    let partAlignment = 4 * 1024
+    var partAlignment = 4 * 1024
     
     var resource: TelegramMediaResource
     var resourceReference: MediaResourceReference?
@@ -651,6 +651,7 @@ private final class MultipartFetchManager {
                     case let .switchToCdn(id, token, key, iv, partHashes):
                         switch strongSelf.source {
                             case let .master(location, download):
+                                strongSelf.partAlignment = Int(dataHashLength)
                                 strongSelf.source = .cdn(masterDatacenterId: location.datacenterId, fileToken: token, key: key, iv: iv, download: DownloadWrapper(consumerId: strongSelf.consumerId, datacenterId: id, isCdn: true, network: strongSelf.network), masterDownload: download, hashSource: MultipartCdnHashSource(queue: strongSelf.queue, fileToken: token, hashes: partHashes, masterDownload: download, continueInBackground: strongSelf.continueInBackground))
                                 strongSelf.checkState()
                             case .cdn, .none: