64 lines
1.8 KiB
Crystal
64 lines
1.8 KiB
Crystal
class FileStorage::Request
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JSONIPC.request Transfer, 40 do
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property mid : String # autogenerated
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property filedigest : String # SHA256 digest of the entire file
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# Chunk:
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# - n : Int32 => chunk number
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# - on : Int32 => number of chunks
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# - digest : String => 1024-byte data in base64 format
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property chunk : Chunk # For now, just the counter in a string
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property data : String # base64 slice
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def initialize(file_info : FileInfo, count, bindata)
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# count: chunk number
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@filedigest = file_info.digest
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@data = Base64.encode bindata
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@chunk = FileStorage::Chunk.new count, file_info.nb_chunks - 1, @data
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@mid = UUID.random.to_s
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end
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def handle(filestoraged : FileStorage::Service, event : IPC::Event::Events)
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user = filestoraged.get_logged_user event
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raise Exception.new "unauthorized" if user.nil?
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# FIXME: Maybe this should be moved to FileStorage::Service
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fd = event.connection.fd
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user_data = filestoraged.get_user_data user.uid
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filestoraged.storage.transfer self, user_data
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rescue e
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return Response::Error.new @mid, "unauthorized"
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end
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end
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FileStorage.requests << Transfer
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end
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class FileStorage::Client
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def transfer(file_info : FileInfo, count, bindata)
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request = FileStorage::Request::Transfer.new file_info, count, bindata
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send request
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response = parse_message [ FileStorage::Response::Transfer, FileStorage::Response::Error ], read
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case response
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when FileStorage::Response::Transfer
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when FileStorage::Response::Error
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raise "File chunk was not transfered: #{response.reason}"
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end
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response
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end
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end
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class FileStorage::Response
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JSONIPC.request Transfer, 40 do
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property mid : String
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property n : Int32 # chunk number
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def initialize(@mid, @n)
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end
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end
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end
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