defmodule Pleroma.Upload do
- def store(%Plug.Upload{} = file) do
- uuid = Ecto.UUID.generate
- upload_folder = Path.join(upload_path(), uuid)
+ alias Ecto.UUID
+ alias Pleroma.Web
+
+ def store(%Plug.Upload{} = file, should_dedupe) do
+ content_type = get_content_type(file.path)
+ uuid = get_uuid(file, should_dedupe)
+ name = get_name(file, uuid, content_type, should_dedupe)
+ upload_folder = get_upload_path(uuid, should_dedupe)
+ url_path = get_url(name, uuid, should_dedupe)
+
File.mkdir_p!(upload_folder)
- result_file = Path.join(upload_folder, file.filename)
- File.cp!(file.path, result_file)
+ result_file = Path.join(upload_folder, name)
+
+ if File.exists?(result_file) do
+ File.rm!(file.path)
+ else
+ File.cp!(file.path, result_file)
+ end
+
+ strip_exif_data(content_type, result_file)
%{
- "type" => "Image",
- "url" => [%{
- "type" => "Link",
- "mediaType" => file.content_type,
- "href" => url_for(Path.join(uuid, file.filename))
- }],
- "name" => file.filename,
- "uuid" => uuid
+ "type" => "Document",
+ "url" => [
+ %{
+ "type" => "Link",
+ "mediaType" => content_type,
+ "href" => url_path
+ }
+ ],
+ "name" => name
}
end
- def store(%{"img" => "data:image/" <> image_data}) do
+ def store(%{"img" => "data:image/" <> image_data}, should_dedupe) do
parsed = Regex.named_captures(~r/(?<filetype>jpeg|png|gif);base64,(?<data>.*)/, image_data)
- data = Base.decode64!(parsed["data"])
- uuid = Ecto.UUID.generate
- upload_folder = Path.join(upload_path(), uuid)
+ data = Base.decode64!(parsed["data"], ignore: :whitespace)
+ uuid = UUID.generate()
+ uuidpath = Path.join(upload_path(), uuid)
+ uuid = UUID.generate()
+
+ File.mkdir_p!(upload_path())
+
+ File.write!(uuidpath, data)
+
+ content_type = get_content_type(uuidpath)
+
+ name =
+ create_name(
+ String.downcase(Base.encode16(:crypto.hash(:sha256, data))),
+ parsed["filetype"],
+ content_type
+ )
+
+ upload_folder = get_upload_path(uuid, should_dedupe)
+ url_path = get_url(name, uuid, should_dedupe)
+
File.mkdir_p!(upload_folder)
- filename = Base.encode16(:crypto.hash(:sha256, data)) <> ".#{parsed["filetype"]}"
- result_file = Path.join(upload_folder, filename)
+ result_file = Path.join(upload_folder, name)
- File.write!(result_file, data)
+ if should_dedupe do
+ if !File.exists?(result_file) do
+ File.rename(uuidpath, result_file)
+ else
+ File.rm!(uuidpath)
+ end
+ else
+ File.rename(uuidpath, result_file)
+ end
- content_type = "image/#{parsed["filetype"]}"
+ strip_exif_data(content_type, result_file)
%{
"type" => "Image",
- "url" => [%{
- "type" => "Link",
- "mediaType" => content_type,
- "href" => url_for(Path.join(uuid, filename))
- }],
- "name" => filename,
- "uuid" => uuid
+ "url" => [
+ %{
+ "type" => "Link",
+ "mediaType" => content_type,
+ "href" => url_path
+ }
+ ],
+ "name" => name
}
end
- defp upload_path do
- Application.get_env(:pleroma, Pleroma.Upload)
- |> Keyword.fetch!(:uploads)
+ def strip_exif_data(content_type, file) do
+ settings = Application.get_env(:pleroma, Pleroma.Upload)
+ do_strip = Keyword.fetch!(settings, :strip_exif)
+ [filetype, ext] = String.split(content_type, "/")
+
+ if filetype == "image" and do_strip == true do
+ Mogrify.open(file) |> Mogrify.custom("strip") |> Mogrify.save(in_place: true)
+ end
+ end
+
+ def upload_path do
+ settings = Application.get_env(:pleroma, Pleroma.Upload)
+ Keyword.fetch!(settings, :uploads)
+ end
+
+ defp create_name(uuid, ext, type) do
+ case type do
+ "application/octet-stream" ->
+ String.downcase(Enum.join([uuid, ext], "."))
+
+ "audio/mpeg" ->
+ String.downcase(Enum.join([uuid, "mp3"], "."))
+
+ _ ->
+ String.downcase(Enum.join([uuid, List.last(String.split(type, "/"))], "."))
+ end
+ end
+
+ defp get_uuid(file, should_dedupe) do
+ if should_dedupe do
+ Base.encode16(:crypto.hash(:sha256, File.read!(file.path)))
+ else
+ UUID.generate()
+ end
+ end
+
+ defp get_name(file, uuid, type, should_dedupe) do
+ if should_dedupe do
+ create_name(uuid, List.last(String.split(file.filename, ".")), type)
+ else
+ unless String.contains?(file.filename, ".") do
+ case type do
+ "image/png" -> file.filename <> ".png"
+ "image/jpeg" -> file.filename <> ".jpg"
+ "image/gif" -> file.filename <> ".gif"
+ "video/webm" -> file.filename <> ".webm"
+ "video/mp4" -> file.filename <> ".mp4"
+ "audio/mpeg" -> file.filename <> ".mp3"
+ "audio/ogg" -> file.filename <> ".ogg"
+ "audio/wav" -> file.filename <> ".wav"
+ _ -> file.filename
+ end
+ else
+ file.filename
+ end
+ end
+ end
+
+ defp get_upload_path(uuid, should_dedupe) do
+ if should_dedupe do
+ upload_path()
+ else
+ Path.join(upload_path(), uuid)
+ end
+ end
+
+ defp get_url(name, uuid, should_dedupe) do
+ if should_dedupe do
+ url_for(:cow_uri.urlencode(name))
+ else
+ url_for(Path.join(uuid, :cow_uri.urlencode(name)))
+ end
end
defp url_for(file) do
- "#{Pleroma.Web.base_url()}/media/#{file}"
+ "#{Web.base_url()}/media/#{file}"
+ end
+
+ def get_content_type(file) do
+ match =
+ File.open(file, [:read], fn f ->
+ case IO.binread(f, 8) do
+ <<0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A>> ->
+ "image/png"
+
+ <<0x47, 0x49, 0x46, 0x38, _, 0x61, _, _>> ->
+ "image/gif"
+
+ <<0xFF, 0xD8, 0xFF, _, _, _, _, _>> ->
+ "image/jpeg"
+
+ <<0x1A, 0x45, 0xDF, 0xA3, _, _, _, _>> ->
+ "video/webm"
+
+ <<0x00, 0x00, 0x00, _, 0x66, 0x74, 0x79, 0x70>> ->
+ "video/mp4"
+
+ <<0x49, 0x44, 0x33, _, _, _, _, _>> ->
+ "audio/mpeg"
+
+ <<255, 251, _, 68, 0, 0, 0, 0>> ->
+ "audio/mpeg"
+
+ <<0x4F, 0x67, 0x67, 0x53, 0x00, 0x02, 0x00, 0x00>> ->
+ "audio/ogg"
+
+ <<0x52, 0x49, 0x46, 0x46, _, _, _, _>> ->
+ "audio/wav"
+
+ _ ->
+ "application/octet-stream"
+ end
+ end)
+
+ case match do
+ {:ok, type} -> type
+ _e -> "application/octet-stream"
+ end
end
end
projects / akkoma / blobdiff