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diff --git a/lib/pleroma/upload/filter/anonymize_filename.ex b/lib/pleroma/upload/filter/anonymize_filename.ex
new file mode 100644
index 000000000..a83e764e5
--- /dev/null
+++ b/lib/pleroma/upload/filter/anonymize_filename.ex
@@ -0,0 +1,10 @@
+defmodule Pleroma.Upload.Filter.AnonymizeFilename do
+ @moduledoc "Replaces the original filename with a randomly generated string."
+ @behaviour Pleroma.Upload.Filter
+
+ def filter(upload) do
+ extension = List.last(String.split(upload.name, "."))
+ string = Base.url_encode64(:crypto.strong_rand_bytes(10), padding: false)
+ {:ok, %Pleroma.Upload{upload | name: string <> "." <> extension}}
+ end
+end
diff --git a/test/upload_test.exs b/test/upload_test.exs
index cfd86ddd0..b2ce755d2 100644
--- a/test/upload_test.exs
+++ b/test/upload_test.exs
@@ -1,138 +1,152 @@
defmodule Pleroma.UploadTest do
alias Pleroma.Upload
use Pleroma.DataCase
describe "Storing a file with the Local uploader" do
setup do
uploader = Pleroma.Config.get([Pleroma.Upload, :uploader])
filters = Pleroma.Config.get([Pleroma.Upload, :filters])
unless uploader == Pleroma.Uploaders.Local || filters != [] do
Pleroma.Config.put([Pleroma.Upload, :uploader], Pleroma.Uploaders.Local)
Pleroma.Config.put([Pleroma.Upload, :filters], [])
on_exit(fn ->
Pleroma.Config.put([Pleroma.Upload, :uploader], uploader)
Pleroma.Config.put([Pleroma.Upload, :filters], filters)
end)
end
:ok
end
test "returns a media url" do
File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
file = %Plug.Upload{
content_type: "image/jpg",
path: Path.absname("test/fixtures/image_tmp.jpg"),
filename: "image.jpg"
}
{:ok, data} = Upload.store(file)
assert %{"url" => [%{"href" => url}]} = data
assert String.starts_with?(url, Pleroma.Web.base_url() <> "/media/")
end
test "returns a media url with configured base_url" do
base_url = "https://cache.pleroma.social"
File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
file = %Plug.Upload{
content_type: "image/jpg",
path: Path.absname("test/fixtures/image_tmp.jpg"),
filename: "image.jpg"
}
{:ok, data} = Upload.store(file, base_url: base_url)
assert %{"url" => [%{"href" => url}]} = data
assert String.starts_with?(url, base_url <> "/media/")
end
test "copies the file to the configured folder with deduping" do
File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
file = %Plug.Upload{
content_type: "image/jpg",
path: Path.absname("test/fixtures/image_tmp.jpg"),
filename: "an [image.jpg"
}
{:ok, data} = Upload.store(file, filters: [Pleroma.Upload.Filter.Dedupe])
assert List.first(data["url"])["href"] ==
Pleroma.Web.base_url() <>
"/media/e7a6d0cf595bff76f14c9a98b6c199539559e8b844e02e51e5efcfd1f614a2df.jpg"
end
test "copies the file to the configured folder without deduping" do
File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
file = %Plug.Upload{
content_type: "image/jpg",
path: Path.absname("test/fixtures/image_tmp.jpg"),
filename: "an [image.jpg"
}
{:ok, data} = Upload.store(file)
assert data["name"] == "an [image.jpg"
end
test "fixes incorrect content type" do
File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
file = %Plug.Upload{
content_type: "application/octet-stream",
path: Path.absname("test/fixtures/image_tmp.jpg"),
filename: "an [image.jpg"
}
{:ok, data} = Upload.store(file, filters: [Pleroma.Upload.Filter.Dedupe])
assert hd(data["url"])["mediaType"] == "image/jpeg"
end
test "adds missing extension" do
File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
file = %Plug.Upload{
content_type: "image/jpg",
path: Path.absname("test/fixtures/image_tmp.jpg"),
filename: "an [image"
}
{:ok, data} = Upload.store(file)
assert data["name"] == "an [image.jpg"
end
test "fixes incorrect file extension" do
File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
file = %Plug.Upload{
content_type: "image/jpg",
path: Path.absname("test/fixtures/image_tmp.jpg"),
filename: "an [image.blah"
}
{:ok, data} = Upload.store(file)
assert data["name"] == "an [image.jpg"
end
test "don't modify filename of an unknown type" do
File.cp("test/fixtures/test.txt", "test/fixtures/test_tmp.txt")
file = %Plug.Upload{
content_type: "text/plain",
path: Path.absname("test/fixtures/test_tmp.txt"),
filename: "test.txt"
}
{:ok, data} = Upload.store(file)
assert data["name"] == "test.txt"
end
+
+ test "copies the file to the configured folder with anonymizing filename" do
+ File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
+
+ file = %Plug.Upload{
+ content_type: "image/jpg",
+ path: Path.absname("test/fixtures/image_tmp.jpg"),
+ filename: "an [image.jpg"
+ }
+
+ {:ok, data} = Upload.store(file, filters: [Pleroma.Upload.Filter.AnonymizeFilename])
+
+ refute data["name"] == "an [image.jpg"
+ end
end
end

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