diff options
Diffstat (limited to 'lib/pleroma')
| -rw-r--r-- | lib/pleroma/application_requirements.ex | 3 | ||||
| -rw-r--r-- | lib/pleroma/config/deprecation_warnings.ex | 40 | ||||
| -rw-r--r-- | lib/pleroma/upload.ex | 27 | ||||
| -rw-r--r-- | lib/pleroma/upload/filter/exiftool/read_description.ex | 49 | ||||
| -rw-r--r-- | lib/pleroma/upload/filter/exiftool/strip_location.ex (renamed from lib/pleroma/upload/filter/exiftool.ex) | 2 |
5 files changed, 111 insertions, 10 deletions
diff --git a/lib/pleroma/application_requirements.ex b/lib/pleroma/application_requirements.ex index 06d388694..44b1c1705 100644 --- a/lib/pleroma/application_requirements.ex +++ b/lib/pleroma/application_requirements.ex @@ -164,7 +164,8 @@ defmodule Pleroma.ApplicationRequirements do defp check_system_commands!(:ok) do filter_commands_statuses = [ - check_filter(Pleroma.Upload.Filter.Exiftool, "exiftool"), + check_filter(Pleroma.Upload.Filter.Exiftool.StripLocation, "exiftool"), + check_filter(Pleroma.Upload.Filter.Exiftool.ReadDescription, "exiftool"), check_filter(Pleroma.Upload.Filter.Mogrify, "mogrify"), check_filter(Pleroma.Upload.Filter.Mogrifun, "mogrify"), check_filter(Pleroma.Upload.Filter.AnalyzeMetadata, "mogrify"), diff --git a/lib/pleroma/config/deprecation_warnings.ex b/lib/pleroma/config/deprecation_warnings.ex index 118dd3acc..599f1d3cf 100644 --- a/lib/pleroma/config/deprecation_warnings.ex +++ b/lib/pleroma/config/deprecation_warnings.ex @@ -20,6 +20,43 @@ defmodule Pleroma.Config.DeprecationWarnings do "\n* `config :pleroma, :instance, mrf_transparency_exclusions` is now `config :pleroma, :mrf, transparency_exclusions`"} ] + def check_exiftool_filter do + filters = Config.get([Pleroma.Upload]) |> Keyword.get(:filters, []) + + if Pleroma.Upload.Filter.Exiftool in filters do + Logger.warn(""" + !!!DEPRECATION WARNING!!! + Your config is using Exiftool as a filter instead of Exiftool.StripLocation. This should work for now, but you are advised to change to the new configuration to prevent possible issues later: + + ``` + config :pleroma, Pleroma.Upload, + filters: [Pleroma.Upload.Filter.Exiftool] + ``` + + Is now + + + ``` + config :pleroma, Pleroma.Upload, + filters: [Pleroma.Upload.Filter.Exiftool.StripLocation] + ``` + """) + + new_config = + filters + |> Enum.map(fn + Pleroma.Upload.Filter.Exiftool -> Pleroma.Upload.Filter.Exiftool.StripLocation + filter -> filter + end) + + Config.put([Pleroma.Upload, :filters], new_config) + + :error + else + :ok + end + end + def check_simple_policy_tuples do has_strings = Config.get([:mrf_simple]) @@ -180,7 +217,8 @@ defmodule Pleroma.Config.DeprecationWarnings do check_old_chat_shoutbox(), check_quarantined_instances_tuples(), check_transparency_exclusions_tuples(), - check_simple_policy_tuples() + check_simple_policy_tuples(), + check_exiftool_filter() ] |> Enum.reduce(:ok, fn :ok, :ok -> :ok diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex index 242813dcd..db2909276 100644 --- a/lib/pleroma/upload.ex +++ b/lib/pleroma/upload.ex @@ -60,12 +60,23 @@ defmodule Pleroma.Upload do width: integer(), height: integer(), blurhash: String.t(), + description: String.t(), path: String.t() } - defstruct [:id, :name, :tempfile, :content_type, :width, :height, :blurhash, :path] - - defp get_description(opts, upload) do - case {opts[:description], Pleroma.Config.get([Pleroma.Upload, :default_description])} do + defstruct [ + :id, + :name, + :tempfile, + :content_type, + :width, + :height, + :blurhash, + :description, + :path + ] + + defp get_description(upload) do + case {upload.description, Pleroma.Config.get([Pleroma.Upload, :default_description])} do {description, _} when is_binary(description) -> description {_, :filename} -> upload.name {_, str} when is_binary(str) -> str @@ -81,7 +92,7 @@ defmodule Pleroma.Upload do with {:ok, upload} <- prepare_upload(upload, opts), upload = %__MODULE__{upload | path: upload.path || "#{upload.id}/#{upload.name}"}, {:ok, upload} <- Pleroma.Upload.Filter.filter(opts.filters, upload), - description = get_description(opts, upload), + description = get_description(upload), {_, true} <- {:description_limit, String.length(description) <= Pleroma.Config.get([:instance, :description_limit])}, @@ -152,7 +163,8 @@ defmodule Pleroma.Upload do id: UUID.generate(), name: file.filename, tempfile: file.path, - content_type: file.content_type + content_type: file.content_type, + description: opts.description }} end end @@ -172,7 +184,8 @@ defmodule Pleroma.Upload do id: UUID.generate(), name: hash <> "." <> ext, tempfile: tmp_path, - content_type: content_type + content_type: content_type, + description: opts.description }} end end diff --git a/lib/pleroma/upload/filter/exiftool/read_description.ex b/lib/pleroma/upload/filter/exiftool/read_description.ex new file mode 100644 index 000000000..03d698a81 --- /dev/null +++ b/lib/pleroma/upload/filter/exiftool/read_description.ex @@ -0,0 +1,49 @@ +# 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.Exiftool.ReadDescription do + @moduledoc """ + Gets a valid description from the related EXIF tags and provides them in the response if no description is provided yet. + It will first check ImageDescription, when that doesn't probide a valid description, it will check iptc:Caption-Abstract. + A valid description means the fields are filled in and not too long (see `:instance, :description_limit`). + """ + @behaviour Pleroma.Upload.Filter + + @spec filter(Pleroma.Upload.t()) :: {:ok, any()} | {:error, String.t()} + + def filter(%Pleroma.Upload{description: description}) + when is_binary(description), + do: {:ok, :noop} + + def filter(%Pleroma.Upload{tempfile: file} = upload), + do: {:ok, :filtered, upload |> Map.put(:description, read_description_from_exif_data(file))} + + def filter(_, _), do: {:ok, :noop} + + defp read_description_from_exif_data(file) do + nil + |> read_when_empty(file, "-ImageDescription") + |> read_when_empty(file, "-iptc:Caption-Abstract") + end + + defp read_when_empty(current_description, _, _) when is_binary(current_description), + do: current_description + + defp read_when_empty(_, file, tag) do + try do + {tag_content, 0} = + System.cmd("exiftool", ["-b", "-s3", tag, file], stderr_to_stdout: true, parallelism: true) + + tag_content = String.trim(tag_content) + + if tag_content != "" and + String.length(tag_content) <= + Pleroma.Config.get([:instance, :description_limit]), + do: tag_content, + else: nil + rescue + _ in ErlangError -> nil + end + end +end diff --git a/lib/pleroma/upload/filter/exiftool.ex b/lib/pleroma/upload/filter/exiftool/strip_location.ex index 36cc045c2..6100527d3 100644 --- a/lib/pleroma/upload/filter/exiftool.ex +++ b/lib/pleroma/upload/filter/exiftool/strip_location.ex @@ -2,7 +2,7 @@ # Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only -defmodule Pleroma.Upload.Filter.Exiftool do +defmodule Pleroma.Upload.Filter.Exiftool.StripLocation do @moduledoc """ Strips GPS related EXIF tags and overwrites the file in place. Also strips or replaces filesystem metadata e.g., timestamps. |