diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/mix/tasks/pleroma/instance.ex | 44 | ||||
-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 |
6 files changed, 146 insertions, 19 deletions
diff --git a/lib/mix/tasks/pleroma/instance.ex b/lib/mix/tasks/pleroma/instance.ex index f292fc762..5c93f19ff 100644 --- a/lib/mix/tasks/pleroma/instance.ex +++ b/lib/mix/tasks/pleroma/instance.ex @@ -34,7 +34,8 @@ defmodule Mix.Tasks.Pleroma.Instance do static_dir: :string, listen_ip: :string, listen_port: :string, - strip_uploads: :string, + strip_uploads_location: :string, + read_uploads_description: :string, anonymize_uploads: :string, dedupe_uploads: :string ], @@ -161,7 +162,7 @@ defmodule Mix.Tasks.Pleroma.Instance do ) |> Path.expand() - {strip_uploads_message, strip_uploads_default} = + {strip_uploads_location_message, strip_uploads_location_default} = if Pleroma.Utils.command_available?("exiftool") do {"Do you want to strip location (GPS) data from uploaded images? This requires exiftool, it was detected as installed. (y/n)", "y"} @@ -170,12 +171,29 @@ defmodule Mix.Tasks.Pleroma.Instance do "n"} end - strip_uploads = + strip_uploads_location = get_option( options, - :strip_uploads, - strip_uploads_message, - strip_uploads_default + :strip_uploads_location, + strip_uploads_location_message, + strip_uploads_location_default + ) === "y" + + {read_uploads_description_message, read_uploads_description_default} = + if Pleroma.Utils.command_available?("exiftool") do + {"Do you want to read data from uploaded files so clients can use it to prefill fields like image description? This requires exiftool, it was detected as installed. (y/n)", + "y"} + else + {"Do you want to read data from uploaded files so clients can use it to prefill fields like image description? This requires exiftool, it was detected as not installed, please install it if you answer yes. (y/n)", + "n"} + end + + read_uploads_description = + get_option( + options, + :read_uploads_description, + read_uploads_description_message, + read_uploads_description_default ) === "y" anonymize_uploads = @@ -229,7 +247,8 @@ defmodule Mix.Tasks.Pleroma.Instance do listen_port: listen_port, upload_filters: upload_filters(%{ - strip: strip_uploads, + strip_location: strip_uploads_location, + read_description: read_uploads_description, anonymize: anonymize_uploads, dedupe: dedupe_uploads }) @@ -297,13 +316,20 @@ defmodule Mix.Tasks.Pleroma.Instance do defp upload_filters(filters) when is_map(filters) do enabled_filters = - if filters.strip do - [Pleroma.Upload.Filter.Exiftool] + if filters.strip_location do + [Pleroma.Upload.Filter.Exiftool.StripLocation] else [] end enabled_filters = + if filters.read_description do + enabled_filters ++ [Pleroma.Upload.Filter.Exiftool.ReadDescription] + else + enabled_filters + end + + enabled_filters = if filters.anonymize do enabled_filters ++ [Pleroma.Upload.Filter.AnonymizeFilename] else 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. |