Merge pull request 'Assert 64 bit file sizes even on 32 bit systems' (#502) from autodownload into master

Reviewed-on: #502
Reviewed-by: Dan Ballard <dan@openprivacy.ca>

functionality/filesharing/filesharing_functionality.go

@@ -10,7 +10,6 @@ import (
 	"fmt"
 	"io"
 	"math"
-	"math/bits"
 	"os"
 	path "path/filepath"
 	"regexp"
@@ -65,7 +64,7 @@ func (f Functionality) OnEvent(ev event.Event, profile peer.CwtchPeer) {
 						// will be bound to the size advertised in manifest.
 						fileSizeLimitValue, fileSizeLimitExists := profile.GetScopedZonedAttribute(attr.LocalScope, attr.FilesharingZone, fmt.Sprintf("%v.limit", fileKey))
 						if fileSizeLimitExists {
-							fileSizeLimit, err := strconv.ParseUint(fileSizeLimitValue, 10, bits.UintSize)
+							fileSizeLimit, err := strconv.ParseUint(fileSizeLimitValue, 10, 64)
 							if err == nil {
 								if manifest.FileSizeInBytes >= fileSizeLimit {
 									log.Debugf("could not download file, size %v greater than limit %v", manifest.FileSizeInBytes, fileSizeLimitValue)
@@ -91,7 +90,11 @@ func (f Functionality) OnEvent(ev event.Event, profile peer.CwtchPeer) {
 										}))
 									}
 								}
+							} else {
+								log.Errorf("error saving manifest: file size limit is incorrect: %v", err)
 							}
+						} else {
+							log.Errorf("error saving manifest: could not find file size limit info")
 						}
 					} else {
 						log.Errorf("error saving manifest: %v", err)