# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Upload do
}
defstruct [:id, :name, :tempfile, :content_type, :path]
+ defp get_description(opts, upload) do
+ case {opts[:description], Pleroma.Config.get([Pleroma.Upload, :default_description])} do
+ {description, _} when is_binary(description) -> description
+ {_, :filename} -> upload.name
+ {_, str} when is_binary(str) -> str
+ _ -> ""
+ end
+ end
+
@spec store(source, options :: [option()]) :: {:ok, Map.t()} | {:error, any()}
+ @doc "Store a file. If using a `Plug.Upload{}` as the source, be sure to use `Majic.Plug` to ensure its content_type and filename is correct."
def store(upload, opts \\ []) do
opts = get_opts(opts)
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),
+ {_, true} <-
+ {:description_limit,
+ String.length(description) <= Pleroma.Config.get([:instance, :description_limit])},
{:ok, url_spec} <- Pleroma.Uploaders.Uploader.put_file(opts.uploader, upload) do
{:ok,
%{
"type" => opts.activity_type,
+ "mediaType" => upload.content_type,
"url" => [
%{
"type" => "Link",
"href" => url_from_spec(upload, opts.base_url, url_spec)
}
],
- "name" => Map.get(opts, :description) || upload.name
+ "name" => description
}}
else
+ {:description_limit, _} ->
+ {:error, :description_too_long}
+
{:error, error} ->
Logger.error(
"#{__MODULE__} store (using #{inspect(opts.uploader)}) failed: #{inspect(error)}"
end
defp prepare_upload(%Plug.Upload{} = file, opts) do
- with :ok <- check_file_size(file.path, opts.size_limit),
- {:ok, content_type, name} <- Pleroma.MIME.file_mime_type(file.path, file.filename) do
+ with :ok <- check_file_size(file.path, opts.size_limit) do
{:ok,
%__MODULE__{
id: UUID.generate(),
- name: name,
+ name: file.filename,
tempfile: file.path,
- content_type: content_type
+ content_type: file.content_type
}}
end
end
- defp prepare_upload(%{"img" => "data:image/" <> image_data}, opts) do
+ defp prepare_upload(%{img: "data:image/" <> image_data}, opts) do
parsed = Regex.named_captures(~r/(?<filetype>jpeg|png|gif);base64,(?<data>.*)/, image_data)
data = Base.decode64!(parsed["data"], ignore: :whitespace)
- hash = String.downcase(Base.encode16(:crypto.hash(:sha256, data)))
+ hash = Base.encode16(:crypto.hash(:sha256, data), lower: true)
with :ok <- check_binary_size(data, opts.size_limit),
tmp_path <- tempfile_for_image(data),
- {:ok, content_type, name} <-
- Pleroma.MIME.bin_mime_type(data, hash <> "." <> parsed["filetype"]) do
+ {:ok, %{mime_type: content_type}} <-
+ Majic.perform({:bytes, data}, pool: Pleroma.MajicPool),
+ [ext | _] <- MIME.extensions(content_type) do
{:ok,
%__MODULE__{
id: UUID.generate(),
- name: name,
+ name: hash <> "." <> ext,
tempfile: tmp_path,
content_type: content_type
}}
# For Mix.Tasks.MigrateLocalUploads
defp prepare_upload(%__MODULE__{tempfile: path} = upload, _opts) do
- with {:ok, content_type} <- Pleroma.MIME.file_mime_type(path) do
+ with {:ok, %{mime_type: content_type}} <- Majic.perform(path, pool: Pleroma.MajicPool) do
{:ok, %__MODULE__{upload | content_type: content_type}}
end
end