The Tika preview extractor does a network call; it was using context.Background(). Pass the request context from the gRPC handler through Convert so the unpack call respects cancellation and deadlines. Non-I/O decoders ignore the context.
Can be enabled by setting the 'enable_vips' tag on 'go build'
Move code using the 'kovidgoyal/imaging' package to separate files to make it easier to create alternative implementations based on build tags.
Dominik Schmidt