Try to guess and handle timestamps in milliseconds

Author: Krusen

BencodeNET.Tests/Parsing/TorrentParserTests.cs

@@ -98,6 +98,22 @@ public void CreationDate_IsParsed()
             torrent.CreationDate.Should().Be(new DateTime(2016, 1, 1));
         }
 
+        [Theory]
+        [AutoMockedData]
+        public void CreationDate_UnixTimeInMilliseconds_IsParsed()
+        {
+            // Arrange
+            ParsedData = ValidSingleFileTorrentData;
+            ParsedData[TorrentFields.CreationDate] = (BNumber) 1451606400000;
+
+            // Act
+            var parser = new TorrentParser(BencodeParser);
+            var torrent = parser.Parse((BencodeStream) null);
+
+            // Assert
+            torrent.CreationDate.Should().Be(new DateTime(2016, 1, 1));
+        }
+
         [Theory]
         [InlineAutoMockedData("utf8")]
         [InlineAutoMockedData("UTF8")]

BencodeNET/Objects/BNumber.cs

@@ -72,6 +72,13 @@ public static implicit operator bool(BNumber bint)
         public static implicit operator DateTime?(BNumber number)
         {
             if (number == null) return null;
+
+            if (number.Value > int.MaxValue)
+            {
+                // Assuming unix timestamp is in milliseconds instead of seconds
+                return Epoch.AddMilliseconds(number);
+            }
+
             return Epoch.AddSeconds(number);
         }