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xl: PUT an empty dir on an existing prefix succeed (#6658)

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This commit fixes a regression introduced in f187a16962
the regression returned AccessDenied when a client is trying to create an empty
directory on a existing prefix, though it should return 200 OK to be close as
much as possible to S3 specification.
This commit is contained in:
Anis Elleuch 2018-10-18 00:37:02 +01:00 committed by kannappanr
parent 2e81f27d27
commit 6590aba6d2
2 changed files with 14 additions and 3 deletions
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12
cmd/object-api-putobject_test.go
View File

@ -159,6 +159,16 @@ func testObjectAPIPutObject(obj ObjectLayer, instanceType string, t TestErrHandl
// Test case 30
// valid data with X-Amz-Meta- meta
{bucket, object, data, map[string]string{"X-Amz-Meta-AppID": "a42"}, "", int64(len(data)), getMD5Hash(data), nil},
// Test case 31
// Put an empty object with a trailing slash
{bucket, "emptydir/", []byte{}, nil, "", 0, getMD5Hash([]byte{}), nil},
// Test case 32
// Put an object inside the empty directory
{bucket, "emptydir/" + object, data, nil, "", int64(len(data)), getMD5Hash(data), nil},
// Test case 33
// Put the empty object with a trailing slash again (refer to Test case 31), this needs to succeed
{bucket, "emptydir/", []byte{}, nil, "", 0, getMD5Hash([]byte{}), nil},
}
for i, testCase := range testCases {
@ -171,7 +181,7 @@ func testObjectAPIPutObject(obj ObjectLayer, instanceType string, t TestErrHandl
}
// Failed as expected, but does it fail for the expected reason.
if actualErr != nil && actualErr != testCase.expectedError {
t.Errorf("Test %d: %s: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead.", i+1, instanceType, testCase.expectedError.Error(), actualErr.Error())
t.Errorf("Test %d: %s: Expected to fail with error \"%v\", but instead failed with error \"%v\" instead.", i+1, instanceType, testCase.expectedError, actualErr)
}
// Test passes as expected, but the output values are verified for correctness here.
if actualErr == nil {

5
cmd/xl-v1-object.go
View File

@ -627,8 +627,9 @@ func (xl xlObjects) putObject(ctx context.Context, bucket string, object string,
return ObjectInfo{}, toObjectErr(err, bucket, object)
}
// Rename the successfully written temporary object to final location.
if _, err = rename(ctx, xl.getDisks(), minioMetaTmpBucket, tempObj, bucket, object, true, writeQuorum, nil); err != nil {
// Rename the successfully written temporary object to final location. Ignore errFileAccessDenied
// error because it means that the target object dir exists and we want to be close to S3 specification.
if _, err = rename(ctx, xl.getDisks(), minioMetaTmpBucket, tempObj, bucket, object, true, writeQuorum, []error{errFileAccessDenied}); err != nil {
return ObjectInfo{}, toObjectErr(err, bucket, object)
}