1 defmodule Pleroma.Upload do
4 @storage_backend Application.get_env(:pleroma, Pleroma.Upload)
5 |> Keyword.fetch!(:uploader)
7 def store(%Plug.Upload{} = file, should_dedupe) do
8 content_type = get_content_type(file.path)
9 uuid = get_uuid(file, should_dedupe)
10 name = get_name(file, uuid, content_type, should_dedupe)
12 strip_exif_data(content_type, file.path)
14 url_path = @storage_backend.put_file(name, uuid, file, content_type, should_dedupe)
21 "mediaType" => content_type,
30 # XXX: does this code actually work? i am skeptical. --kaniini
31 def store(%{"img" => "data:image/" <> image_data}, should_dedupe) do
32 settings = Application.get_env(:pleroma, Pleroma.Upload)
33 use_s3 = Keyword.fetch!(settings, :use_s3)
35 parsed = Regex.named_captures(~r/(?<filetype>jpeg|png|gif);base64,(?<data>.*)/, image_data)
36 data = Base.decode64!(parsed["data"], ignore: :whitespace)
37 uuid = UUID.generate()
38 uuidpath = Path.join(upload_path(), uuid)
39 uuid = UUID.generate()
41 File.mkdir_p!(upload_path())
43 File.write!(uuidpath, data)
45 content_type = get_content_type(uuidpath)
49 String.downcase(Base.encode16(:crypto.hash(:sha256, data))),
54 upload_folder = get_upload_path(uuid, should_dedupe)
55 url_path = get_url(name, uuid, should_dedupe)
57 File.mkdir_p!(upload_folder)
58 result_file = Path.join(upload_folder, name)
61 if !File.exists?(result_file) do
62 File.rename(uuidpath, result_file)
67 File.rename(uuidpath, result_file)
70 strip_exif_data(content_type, result_file)
74 put_s3_file(name, uuid, result_file, content_type)
84 "mediaType" => content_type,
93 def strip_exif_data(content_type, file) do
94 settings = Application.get_env(:pleroma, Pleroma.Upload)
95 do_strip = Keyword.fetch!(settings, :strip_exif)
96 [filetype, _ext] = String.split(content_type, "/")
98 if filetype == "image" and do_strip == true do
99 Mogrify.open(file) |> Mogrify.custom("strip") |> Mogrify.save(in_place: true)
103 defp create_name(uuid, ext, type) do
105 "application/octet-stream" ->
106 String.downcase(Enum.join([uuid, ext], "."))
109 String.downcase(Enum.join([uuid, "mp3"], "."))
112 String.downcase(Enum.join([uuid, List.last(String.split(type, "/"))], "."))
116 defp get_uuid(file, should_dedupe) do
118 Base.encode16(:crypto.hash(:sha256, File.read!(file.path)))
124 defp get_name(file, uuid, type, should_dedupe) do
126 create_name(uuid, List.last(String.split(file.filename, ".")), type)
128 parts = String.split(file.filename, ".")
131 if length(parts) > 1 do
132 Enum.drop(parts, -1) |> Enum.join(".")
138 "application/octet-stream" -> file.filename
139 "audio/mpeg" -> new_filename <> ".mp3"
140 "image/jpeg" -> new_filename <> ".jpg"
141 _ -> Enum.join([new_filename, String.split(type, "/") |> List.last()], ".")
146 def get_content_type(file) do
148 File.open(file, [:read], fn f ->
149 case IO.binread(f, 8) do
150 <<0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A>> ->
153 <<0x47, 0x49, 0x46, 0x38, _, 0x61, _, _>> ->
156 <<0xFF, 0xD8, 0xFF, _, _, _, _, _>> ->
159 <<0x1A, 0x45, 0xDF, 0xA3, _, _, _, _>> ->
162 <<0x00, 0x00, 0x00, _, 0x66, 0x74, 0x79, 0x70>> ->
165 <<0x49, 0x44, 0x33, _, _, _, _, _>> ->
168 <<255, 251, _, 68, 0, 0, 0, 0>> ->
171 <<0x4F, 0x67, 0x67, 0x53, 0x00, 0x02, 0x00, 0x00>> ->
174 <<0x52, 0x49, 0x46, 0x46, _, _, _, _>> ->
178 "application/octet-stream"
184 _e -> "application/octet-stream"