Normalize file extension for uploaded files

This commit is contained in:
Francis Dinh 2018-06-21 14:04:12 -04:00
parent 90cf75f4a7
commit 082920044a
3 changed files with 40 additions and 13 deletions

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@ -110,20 +110,20 @@ defp get_name(file, uuid, type, should_dedupe) do
if should_dedupe do if should_dedupe do
create_name(uuid, List.last(String.split(file.filename, ".")), type) create_name(uuid, List.last(String.split(file.filename, ".")), type)
else else
unless String.contains?(file.filename, ".") do parts = String.split(file.filename, ".")
case type do
"image/png" -> file.filename <> ".png" new_filename =
"image/jpeg" -> file.filename <> ".jpg" if length(parts) > 1 do
"image/gif" -> file.filename <> ".gif" Enum.drop(parts, -1) |> Enum.join(".")
"video/webm" -> file.filename <> ".webm" else
"video/mp4" -> file.filename <> ".mp4" Enum.join(parts)
"audio/mpeg" -> file.filename <> ".mp3"
"audio/ogg" -> file.filename <> ".ogg"
"audio/wav" -> file.filename <> ".wav"
_ -> file.filename
end end
else
file.filename case type do
"application/octet-stream" -> file.filename
"audio/mpeg" -> new_filename <> ".mp3"
"image/jpeg" -> new_filename <> ".jpg"
_ -> Enum.join([new_filename, String.split(type, "/") |> List.last()], ".")
end end
end end
end end

1
test/fixtures/test.txt vendored Normal file
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@ -0,0 +1 @@
this is a text file

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@ -56,5 +56,31 @@ test "adds missing extension" do
data = Upload.store(file, false) data = Upload.store(file, false)
assert data["name"] == "an [image.jpg" assert data["name"] == "an [image.jpg"
end end
test "fixes incorrect file extension" do
File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
file = %Plug.Upload{
content_type: "image/jpg",
path: Path.absname("test/fixtures/image_tmp.jpg"),
filename: "an [image.blah"
}
data = Upload.store(file, false)
assert data["name"] == "an [image.jpg"
end
test "don't modify filename of an unknown type" do
File.cp("test/fixtures/test.txt", "test/fixtures/test_tmp.txt")
file = %Plug.Upload{
content_type: "text/plain",
path: Path.absname("test/fixtures/test_tmp.txt"),
filename: "test.txt"
}
data = Upload.store(file, false)
assert data["name"] == "test.txt"
end
end end
end end