X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fupload.ex;h=408a3fc560e81958bdf0f19ce3aae85e814df273;hb=13440a80e1e30141f0f0466ff351bd6f9c148228;hp=fdda2634e84f90294722cb3c11a46812729d1cf7;hpb=e7dc39e40cde5599f2e1e0dd1715670fd1e76720;p=akkoma

diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index fdda2634e..408a3fc56 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -1,32 +1,206 @@
 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, 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" => "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)
+    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)
-    result_file = Path.join(upload_folder, file.filename)
-    File.cp!(file.path, result_file)
+    result_file = Path.join(upload_folder, name)
+
+    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
+
+    strip_exif_data(content_type, result_file)
 
     %{
       "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)
+  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
-    host =
-      Application.get_env(:pleroma, Pleroma.Web.Endpoint)
-      |> Keyword.fetch!(:url)
-      |> Keyword.fetch!(:host)
+    "#{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"
 
-    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