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package filesys
import (
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/fuse"
)
func checkPermission(entry *filer_pb.Entry, uid, gid uint32, isWrite bool) error {
if uid == 0 || gid == 0 {
return nil
}
if entry == nil {
return nil
}
if entry.Attributes == nil {
return nil
}
attr := entry.Attributes
if attr.Uid == uid {
if isWrite {
if attr.FileMode&0200 > 0 {
return nil
} else {
return fuse.EPERM
}
} else {
if attr.FileMode&0400 > 0 {
return nil
} else {
return fuse.EPERM
}
}
} else if attr.Gid == gid {
if isWrite {
if attr.FileMode&0020 > 0 {
return nil
} else {
return fuse.EPERM
}
} else {
if attr.FileMode&0040 > 0 {
return nil
} else {
return fuse.EPERM
}
}
} else {
if isWrite {
if attr.FileMode&0002 > 0 {
return nil
} else {
return fuse.EPERM
}
} else {
if attr.FileMode&0004 > 0 {
return nil
} else {
return fuse.EPERM
}
}
}
}
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