X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fupload.ex;h=89aa779f93e153f700953f6374cf3b4903e642f0;hb=5bb88fd1749931e755157760ec833c5d50ebb8c8;hp=3567c6c8893388c76e8a90d4c3a2136375ac6785;hpb=18a95cd3757a9b2f9f468f408da48bbd84a4d031;p=akkoma

diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index 3567c6c88..89aa779f9 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -1,93 +1,184 @@
 defmodule Pleroma.Upload do
   alias Ecto.UUID
-  alias Pleroma.Web
-  def store(%Plug.Upload{} = file) do
-    uuid = 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)
-
-    # fix content type on some image uploads
-    content_type = if file.content_type == "application/octet-stream" do
-      get_content_type(file.path)
+
+  def check_file_size(path, nil), do: true
+
+  def check_file_size(path, size_limit) do
+    {:ok, %{size: size}} = File.stat(path)
+    size <= size_limit
+  end
+
+  def store(file, should_dedupe, size_limit \\ nil)
+
+  def store(%Plug.Upload{} = file, should_dedupe, size_limit) do
+    content_type = get_content_type(file.path)
+
+    with uuid <- get_uuid(file, should_dedupe),
+         name <- get_name(file, uuid, content_type, should_dedupe),
+         true <- check_file_size(file.path, size_limit) do
+      strip_exif_data(content_type, file.path)
+
+      {:ok, url_path} = uploader().put_file(name, uuid, file.path, content_type, should_dedupe)
+
+      %{
+        "type" => "Document",
+        "url" => [
+          %{
+            "type" => "Link",
+            "mediaType" => content_type,
+            "href" => url_path
+          }
+        ],
+        "name" => name
+      }
     else
-      file.content_type
+      _e -> nil
     end
-
-    %{
-      "type" => "Image",
-      "url" => [%{
-        "type" => "Link",
-        "mediaType" => content_type,
-        "href" => url_for(Path.join(uuid, :cow_uri.urlencode(file.filename)))
-      }],
-      "name" => file.filename,
-      "uuid" => uuid
-    }
   end
 
-  def store(%{"img" => "data:image/" <> image_data}) do
+  def store(%{"img" => "data:image/" <> image_data}, should_dedupe, size_limit) do
     parsed = Regex.named_captures(~r/(?<filetype>jpeg|png|gif);base64,(?<data>.*)/, image_data)
-    data = Base.decode64!(parsed["data"])
-    uuid = UUID.generate
-    upload_folder = Path.join(upload_path(), uuid)
-    File.mkdir_p!(upload_folder)
-    filename = Base.encode16(:crypto.hash(:sha256, data)) <> ".#{parsed["filetype"]}"
-    result_file = Path.join(upload_folder, filename)
-
-    File.write!(result_file, data)
-
-    content_type = "image/#{parsed["filetype"]}"
-
-    %{
-      "type" => "Image",
-      "url" => [%{
-        "type" => "Link",
-        "mediaType" => content_type,
-        "href" => url_for(Path.join(uuid, :cow_uri.urlencode(filename)))
-      }],
-      "name" => filename,
-      "uuid" => uuid
-    }
+    data = Base.decode64!(parsed["data"], ignore: :whitespace)
+
+    with tmp_path <- tempfile_for_image(data),
+         uuid <- UUID.generate(),
+         true <- check_file_size(tmp_path, size_limit) do
+      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} = uploader().put_file(name, uuid, tmp_path, content_type, should_dedupe)
+
+      %{
+        "type" => "Image",
+        "url" => [
+          %{
+            "type" => "Link",
+            "mediaType" => content_type,
+            "href" => url_path
+          }
+        ],
+        "name" => name
+      }
+    else
+      _e -> nil
+    end
+  end
+
+  @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
 
-  defp upload_path do
+  def strip_exif_data(content_type, file) do
     settings = Application.get_env(:pleroma, Pleroma.Upload)
-    Keyword.fetch!(settings, :uploads)
+    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 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 url_for(file) do
-    "#{Web.base_url()}/media/#{file}"
+  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
 
-  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"
-        <<0x4f, 0x67, 0x67, 0x53, 0x00, 0x02, 0x00, 0x00>> ->
-          "audio/ogg"
-        <<0x52, 0x49, 0x46, 0x46, _, _, _, _>> ->
-          "audio/wav"
-        _ ->
-          "application/octet-stream"
+  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
+  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
+
+  defp uploader() do
+    Pleroma.Config.get!([Pleroma.Upload, :uploader])
+  end
 end