Add SetMeta filter to store uploaded image sizes

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Alex Gleason 2021-05-12 13:38:11 -05:00
parent b221d77a6d
commit ab9eabdf20
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5 changed files with 83 additions and 2 deletions

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@ -23,6 +23,8 @@ defmodule Pleroma.Upload do
is once created permanent and changing it (especially in uploaders) is probably a bad idea!
* `:tempfile` - path to the temporary file. Prefer in-place changes on the file rather than changing the
path as the temporary file is also tracked by `Plug.Upload{}` and automatically deleted once the request is over.
* `:width` - width of the media in pixels
* `:height` - height of the media in pixels
Related behaviors:
@ -32,6 +34,7 @@ defmodule Pleroma.Upload do
"""
alias Ecto.UUID
alias Pleroma.Config
alias Pleroma.Maps
require Logger
@type source ::
@ -53,9 +56,11 @@ defmodule Pleroma.Upload do
name: String.t(),
tempfile: String.t(),
content_type: String.t(),
width: integer(),
height: integer(),
path: String.t()
}
defstruct [:id, :name, :tempfile, :content_type, :path]
defstruct [:id, :name, :tempfile, :content_type, :width, :height, :path]
defp get_description(opts, upload) do
case {opts[:description], Pleroma.Config.get([Pleroma.Upload, :default_description])} do
@ -89,6 +94,8 @@ def store(upload, opts \\ []) do
"mediaType" => upload.content_type,
"href" => url_from_spec(upload, opts.base_url, url_spec)
}
|> Maps.put_if_present("width", upload.width)
|> Maps.put_if_present("height", upload.height)
],
"name" => description
}}

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@ -0,0 +1,36 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Upload.Filter.SetMeta do
@moduledoc """
Extracts metadata about the upload, such as width/height
"""
require Logger
@behaviour Pleroma.Upload.Filter
@spec filter(Pleroma.Upload.t()) ::
{:ok, :filtered, Pleroma.Upload.t()} | {:ok, :noop} | {:error, String.t()}
def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _} = upload) do
try do
image =
file
|> Mogrify.open()
|> Mogrify.verbose()
upload =
upload
|> Map.put(:width, image.width)
|> Map.put(:height, image.height)
{:ok, :filtered, upload}
rescue
e in ErlangError ->
Logger.warn("#{__MODULE__}: #{inspect(e)}")
{:ok, :noop}
end
end
def filter(_), do: {:ok, :noop}
end

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@ -426,10 +426,26 @@ def render("attachment.json", %{attachment: attachment}) do
type: type,
description: attachment["name"],
pleroma: %{mime_type: media_type},
meta: render("attachment_meta.json", %{attachment: attachment}),
blurhash: attachment["blurhash"]
}
end
def render("attachment_meta.json", %{
attachment: %{"url" => [%{"width" => width, "height" => height} | _]}
})
when is_integer(width) and is_integer(height) do
%{
original: %{
width: width,
height: height,
aspect: width / height
}
}
end
def render("attachment_meta.json", _), do: %{}
def render("context.json", %{activity: activity, activities: activities, user: user}) do
%{ancestors: ancestors, descendants: descendants} =
activities

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@ -0,0 +1,19 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Upload.Filter.SetMetaTest do
use Pleroma.DataCase, async: true
alias Pleroma.Upload.Filter.SetMeta
test "adds the image dimensions" do
upload = %Pleroma.Upload{
name: "an… image.jpg",
content_type: "image/jpeg",
path: Path.absname("test/fixtures/image.jpg"),
tempfile: Path.absname("test/fixtures/image.jpg")
}
assert {:ok, :filtered, %{width: 1024, height: 768}} = SetMeta.filter(upload)
end
end

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@ -458,7 +458,9 @@ test "attachments" do
"url" => [
%{
"mediaType" => "image/png",
"href" => "someurl"
"href" => "someurl",
"width" => 200,
"height" => 100
}
],
"blurhash" => "UJJ8X[xYW,%Jtq%NNFbXB5j]IVM|9GV=WHRn",
@ -474,6 +476,7 @@ test "attachments" do
text_url: "someurl",
description: nil,
pleroma: %{mime_type: "image/png"},
meta: %{original: %{width: 200, height: 100, aspect: 2}},
blurhash: "UJJ8X[xYW,%Jtq%NNFbXB5j]IVM|9GV=WHRn"
}