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crypt: fix compress wrapping crypt giving upload errors

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Before this fix a chain compress -> crypt -> s3 was giving errors

    BadDigest: The Content-MD5 you specified did not match what we received.

This was because the crypt backend was encrypting the underlying local
object to calculate the hash rather than the contents of the metadata
stream.

It did this because the crypt backend incorrectly identified the
object as a local object.

This fixes the problem by making sure the crypt backend does not
unwrap anything but fs.OverrideRemote objects.

See: https://forum.rclone.org/t/not-encrypting-or-compressing-before-upload/32261/10
This commit is contained in:
Nick Craig-Wood 2022-08-06 16:32:58 +01:00
parent dd71f5d968
commit 430bf0d5eb
2 changed files with 4 additions and 16 deletions
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15
backend/crypt/crypt_internal_test.go
View file

@ -17,19 +17,6 @@ import (
"github.com/stretchr/testify/require"
)
type testWrapper struct {
fs.ObjectInfo
}
// UnWrap returns the Object that this Object is wrapping or nil if it
// isn't wrapping anything
func (o testWrapper) UnWrap() fs.Object {
if o, ok := o.ObjectInfo.(fs.Object); ok {
return o
}
return nil
}
// Create a temporary local fs to upload things from
func makeTempLocalFs(t *testing.T) (localFs fs.Fs, cleanup func()) {
@ -83,7 +70,7 @@ func testObjectInfo(t *testing.T, f *Fs, wrap bool) {
var oi fs.ObjectInfo = obj
if wrap {
// wrap the object in an fs.ObjectUnwrapper if required
oi = testWrapper{oi}
oi = fs.NewOverrideRemote(oi, "new_remote")
}
// wrap the object in a crypt for upload using the nonce we