X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fupload.ex;h=f188a5f3285709d28ab56faea4a919fafd1b81ec;hb=a26d5e6b2aba5010c699df659d63048957b347a5;hp=fdda2634e84f90294722cb3c11a46812729d1cf7;hpb=e7dc39e40cde5599f2e1e0dd1715670fd1e76720;p=akkoma

diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index fdda2634e..f188a5f32 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -1,32 +1,170 @@
 defmodule Pleroma.Upload do
-  def store(%Plug.Upload{} = file) do
-    uuid = Ecto.UUID.generate
-    upload_folder = Path.join(upload_path(), uuid)
-    File.mkdir_p!(upload_folder)
-    result_file = Path.join(upload_folder, file.filename)
-    File.cp!(file.path, result_file)
+  alias Ecto.UUID
+
+  @storage_backend Application.get_env(:pleroma, Pleroma.Upload)
+                   |> Keyword.fetch!(:uploader)
+
+  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)
+
+    strip_exif_data(content_type, file.path)
+
+    {:ok, url_path} =
+      @storage_backend.put_file(name, uuid, file.path, content_type, should_dedupe)
+
+    %{
+      "type" => "Document",
+      "url" => [
+        %{
+          "type" => "Link",
+          "mediaType" => content_type,
+          "href" => url_path
+        }
+      ],
+      "name" => name
+    }
+  end
+
+  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"], ignore: :whitespace)
+
+    tmp_path = tempfile_for_image(data)
+
+    uuid = UUID.generate()
+
+    content_type = get_content_type(tmp_path)
+    strip_exif_data(content_type, tmp_path)
+
+    name =
+      create_name(
+        String.downcase(Base.encode16(:crypto.hash(:sha256, data))),
+        parsed["filetype"],
+        content_type
+      )
+
+    {:ok, url_path} = @storage_backend.put_file(name, uuid, tmp_path, content_type, should_dedupe)
 
     %{
       "type" => "Image",
-      "href" => url_for(Path.join(uuid, file.filename)),
-      "name" => file.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)
+  @doc """
+  Creates a tempfile using the Plug.Upload Genserver which cleans them up 
+  automatically.
+  """
+  def tempfile_for_image(data) do
+    {:ok, tmp_path} = Plug.Upload.random_file("profile_pics")
+    {:ok, tmp_file} = File.open(tmp_path, [:write, :raw, :binary])
+    IO.binwrite(tmp_file, data)
+
+    tmp_path
+  end
+
+  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
 
-  defp url_for(file) do
-    host =
-      Application.get_env(:pleroma, Pleroma.Web.Endpoint)
-      |> Keyword.fetch!(:url)
-      |> Keyword.fetch!(:host)
+  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
+      parts = String.split(file.filename, ".")
+
+      new_filename =
+        if length(parts) > 1 do
+          Enum.drop(parts, -1) |> Enum.join(".")
+        else
+          Enum.join(parts)
+        end
+
+      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
+
+  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"
 
-    protocol = Application.get_env(:pleroma, Pleroma.Web.Endpoint) |> Keyword.fetch!(:protocol)
+          _ ->
+            "application/octet-stream"
+        end
+      end)
 
-    "#{protocol}://#{host}/media/#{file}"
+    case match do
+      {:ok, type} -> type
+      _e -> "application/octet-stream"
+    end
   end
 end