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Fix uploads for files larger than 2GB #105

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4afead9
use stream for writting to files
sulphur Sep 14, 2021
052bade
Merge branch 'elixir-waffle:master' into master
sulphur Aug 31, 2022
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18 changes: 15 additions & 3 deletions lib/waffle/file.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,7 @@ defmodule Waffle.File do

defp write_binary(file) do
path = generate_temporary_path(file)
File.write!(path, file.binary)
write_to_file(path, file.binary)

%__MODULE__{
file_name: file.file_name,
Expand All @@ -158,19 +158,31 @@ defmodule Waffle.File do

case remote_file do
{:ok, body, filename} ->
case File.write(local_path, body) do
case write_to_file(local_path, body) do
:ok -> {:ok, filename}
_ -> :error
end

{:ok, body} ->
File.write(local_path, body)
:ok = write_to_file(local_path, body)



{:error, _reason} = err ->
err
end
end

#stream binary in chuck into the file. Fixes the write for >2GB files.
defp write_to_file(local_path, body) do
body
|> StringIO.open()
|> elem(1)
|> IO.binstream(1024*1024*10)
|> Stream.into(File.stream!(local_path))
|> Stream.run
end

# hackney :connect_timeout - timeout used when establishing a connection, in milliseconds
# hackney :recv_timeout - timeout used when receiving from a connection, in milliseconds
# :backoff_max - maximum backoff time, in milliseconds
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