Merge branch 'tusooa/2775-emoji-policy' into 'develop'

EmojiPolicy

Closes #2775

See merge request pleroma/pleroma!3842
This commit is contained in:
Haelwenn 2023-07-07 16:27:30 +00:00
commit e38207162b
9 changed files with 768 additions and 12 deletions

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@ -0,0 +1 @@
Implement MRF policy to reject or delist according to emojis

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@ -408,6 +408,12 @@ config :pleroma, :mrf_keyword,
federated_timeline_removal: [],
replace: []
config :pleroma, :mrf_emoji,
remove_url: [],
remove_shortcode: [],
federated_timeline_removal_url: [],
federated_timeline_removal_shortcode: []
config :pleroma, :mrf_hashtag,
sensitive: ["nsfw"],
reject: [],

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@ -261,6 +261,11 @@ Notes:
* `follower_nickname`: The name of the bot account to use for following newly discovered users. Using `followbot` or similar is strongly suggested.
#### :mrf_emoji
* `remove_url`: A list of patterns which result in emoji whose URL matches being removed from the message. This will apply to statuses, emoji reactions, and user profiles. Each pattern can be a string or a [regular expression](https://hexdocs.pm/elixir/Regex.html).
* `remove_shortcode`: A list of patterns which result in emoji whose shortcode matches being removed from the message. This will apply to statuses, emoji reactions, and user profiles. Each pattern can be a string or a [regular expression](https://hexdocs.pm/elixir/Regex.html).
* `federated_timeline_removal_url`: A list of patterns which result in message with emojis whose URLs match being removed from federated timelines (a.k.a unlisted). This will apply only to statuses. Each pattern can be a string or a [regular expression](https://hexdocs.pm/elixir/Regex.html).
* `federated_timeline_removal_shortcode`: A list of patterns which result in message with emojis whose shortcodes match being removed from federated timelines (a.k.a unlisted). This will apply only to statuses. Each pattern can be a string or a [regular expression](https://hexdocs.pm/elixir/Regex.html).
### :activitypub
* `unfollow_blocked`: Whether blocks result in people getting unfollowed

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@ -42,6 +42,18 @@ defmodule Pleroma.Constants do
]
)
const(status_object_types,
do: [
"Note",
"Question",
"Audio",
"Video",
"Event",
"Article",
"Page"
]
)
const(updatable_object_types,
do: [
"Note",

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@ -0,0 +1,281 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.EmojiPolicy do
require Pleroma.Constants
alias Pleroma.Object.Updater
alias Pleroma.Web.ActivityPub.MRF.Utils
@moduledoc "Reject or force-unlisted emojis with certain URLs or names"
@behaviour Pleroma.Web.ActivityPub.MRF.Policy
defp config_remove_url do
Pleroma.Config.get([:mrf_emoji, :remove_url], [])
end
defp config_remove_shortcode do
Pleroma.Config.get([:mrf_emoji, :remove_shortcode], [])
end
defp config_unlist_url do
Pleroma.Config.get([:mrf_emoji, :federated_timeline_removal_url], [])
end
defp config_unlist_shortcode do
Pleroma.Config.get([:mrf_emoji, :federated_timeline_removal_shortcode], [])
end
@impl Pleroma.Web.ActivityPub.MRF.Policy
def history_awareness, do: :manual
@impl Pleroma.Web.ActivityPub.MRF.Policy
def filter(%{"type" => type, "object" => %{"type" => objtype} = object} = message)
when type in ["Create", "Update"] and objtype in Pleroma.Constants.status_object_types() do
with {:ok, object} <-
Updater.do_with_history(object, fn object ->
{:ok, process_remove(object, :url, config_remove_url())}
end),
{:ok, object} <-
Updater.do_with_history(object, fn object ->
{:ok, process_remove(object, :shortcode, config_remove_shortcode())}
end),
activity <- Map.put(message, "object", object),
activity <- maybe_delist(activity) do
{:ok, activity}
end
end
@impl Pleroma.Web.ActivityPub.MRF.Policy
def filter(%{"type" => type} = object) when type in Pleroma.Constants.actor_types() do
with object <- process_remove(object, :url, config_remove_url()),
object <- process_remove(object, :shortcode, config_remove_shortcode()) do
{:ok, object}
end
end
@impl Pleroma.Web.ActivityPub.MRF.Policy
def filter(%{"type" => "EmojiReact"} = object) do
with {:ok, _} <-
matched_emoji_checker(config_remove_url(), config_remove_shortcode()).(object) do
{:ok, object}
else
_ ->
{:reject, "[EmojiPolicy] Rejected for having disallowed emoji"}
end
end
@impl Pleroma.Web.ActivityPub.MRF.Policy
def filter(message) do
{:ok, message}
end
defp match_string?(string, pattern) when is_binary(pattern) do
string == pattern
end
defp match_string?(string, %Regex{} = pattern) do
String.match?(string, pattern)
end
defp match_any?(string, patterns) do
Enum.any?(patterns, &match_string?(string, &1))
end
defp url_from_tag(%{"icon" => %{"url" => url}}), do: url
defp url_from_tag(_), do: nil
defp url_from_emoji({_name, url}), do: url
defp shortcode_from_tag(%{"name" => name}) when is_binary(name), do: String.trim(name, ":")
defp shortcode_from_tag(_), do: nil
defp shortcode_from_emoji({name, _url}), do: name
defp process_remove(object, :url, patterns) do
process_remove_impl(object, &url_from_tag/1, &url_from_emoji/1, patterns)
end
defp process_remove(object, :shortcode, patterns) do
process_remove_impl(object, &shortcode_from_tag/1, &shortcode_from_emoji/1, patterns)
end
defp process_remove_impl(object, extract_from_tag, extract_from_emoji, patterns) do
object =
if object["tag"] do
Map.put(
object,
"tag",
Enum.filter(
object["tag"],
fn
%{"type" => "Emoji"} = tag ->
str = extract_from_tag.(tag)
if is_binary(str) do
not match_any?(str, patterns)
else
true
end
_ ->
true
end
)
)
else
object
end
object =
if object["emoji"] do
Map.put(
object,
"emoji",
object["emoji"]
|> Enum.reduce(%{}, fn {name, url} = emoji, acc ->
if not match_any?(extract_from_emoji.(emoji), patterns) do
Map.put(acc, name, url)
else
acc
end
end)
)
else
object
end
object
end
defp matched_emoji_checker(urls, shortcodes) do
fn object ->
if any_emoji_match?(object, &url_from_tag/1, &url_from_emoji/1, urls) or
any_emoji_match?(
object,
&shortcode_from_tag/1,
&shortcode_from_emoji/1,
shortcodes
) do
{:matched, nil}
else
{:ok, %{}}
end
end
end
defp maybe_delist(%{"object" => object, "to" => to, "type" => "Create"} = activity) do
check = matched_emoji_checker(config_unlist_url(), config_unlist_shortcode())
should_delist? = fn object ->
with {:ok, _} <- Pleroma.Object.Updater.do_with_history(object, check) do
false
else
_ -> true
end
end
if Pleroma.Constants.as_public() in to and should_delist?.(object) do
to = List.delete(to, Pleroma.Constants.as_public())
cc = [Pleroma.Constants.as_public() | activity["cc"] || []]
activity
|> Map.put("to", to)
|> Map.put("cc", cc)
else
activity
end
end
defp maybe_delist(activity), do: activity
defp any_emoji_match?(object, extract_from_tag, extract_from_emoji, patterns) do
Kernel.||(
Enum.any?(
object["tag"] || [],
fn
%{"type" => "Emoji"} = tag ->
str = extract_from_tag.(tag)
if is_binary(str) do
match_any?(str, patterns)
else
false
end
_ ->
false
end
),
(object["emoji"] || [])
|> Enum.any?(fn emoji -> match_any?(extract_from_emoji.(emoji), patterns) end)
)
end
@impl Pleroma.Web.ActivityPub.MRF.Policy
def describe do
mrf_emoji =
Pleroma.Config.get(:mrf_emoji, [])
|> Enum.map(fn {key, value} ->
{key, Enum.map(value, &Utils.describe_regex_or_string/1)}
end)
|> Enum.into(%{})
{:ok, %{mrf_emoji: mrf_emoji}}
end
@impl Pleroma.Web.ActivityPub.MRF.Policy
def config_description do
%{
key: :mrf_emoji,
related_policy: "Pleroma.Web.ActivityPub.MRF.EmojiPolicy",
label: "MRF Emoji",
description:
"Reject or force-unlisted emojis whose URLs or names match a keyword or [Regex](https://hexdocs.pm/elixir/Regex.html).",
children: [
%{
key: :remove_url,
type: {:list, :string},
description: """
A list of patterns which result in emoji whose URL matches being removed from the message. This will apply to statuses, emoji reactions, and user profiles.
Each pattern can be a string or [Regex](https://hexdocs.pm/elixir/Regex.html) in the format of `~r/PATTERN/`.
""",
suggestions: ["https://example.org/foo.png", ~r/example.org\/foo/iu]
},
%{
key: :remove_shortcode,
type: {:list, :string},
description: """
A list of patterns which result in emoji whose shortcode matches being removed from the message. This will apply to statuses, emoji reactions, and user profiles.
Each pattern can be a string or [Regex](https://hexdocs.pm/elixir/Regex.html) in the format of `~r/PATTERN/`.
""",
suggestions: ["foo", ~r/foo/iu]
},
%{
key: :federated_timeline_removal_url,
type: {:list, :string},
description: """
A list of patterns which result in message with emojis whose URLs match being removed from federated timelines (a.k.a unlisted). This will apply only to statuses.
Each pattern can be a string or [Regex](https://hexdocs.pm/elixir/Regex.html) in the format of `~r/PATTERN/`.
""",
suggestions: ["https://example.org/foo.png", ~r/example.org\/foo/iu]
},
%{
key: :federated_timeline_removal_shortcode,
type: {:list, :string},
description: """
A list of patterns which result in message with emojis whose shortcodes match being removed from federated timelines (a.k.a unlisted). This will apply only to statuses.
Each pattern can be a string or [Regex](https://hexdocs.pm/elixir/Regex.html) in the format of `~r/PATTERN/`.
""",
suggestions: ["foo", ~r/foo/iu]
}
]
}
end
end

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@ -5,6 +5,8 @@
defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do
require Pleroma.Constants
alias Pleroma.Web.ActivityPub.MRF.Utils
@moduledoc "Reject or Word-Replace messages with a keyword or regex"
@behaviour Pleroma.Web.ActivityPub.MRF.Policy
@ -128,7 +130,6 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do
@impl true
def describe do
# This horror is needed to convert regex sigils to strings
mrf_keyword =
Pleroma.Config.get(:mrf_keyword, [])
|> Enum.map(fn {key, value} ->
@ -136,21 +137,12 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do
Enum.map(value, fn
{pattern, replacement} ->
%{
"pattern" =>
if not is_binary(pattern) do
inspect(pattern)
else
pattern
end,
"pattern" => Utils.describe_regex_or_string(pattern),
"replacement" => replacement
}
pattern ->
if not is_binary(pattern) do
inspect(pattern)
else
pattern
end
Utils.describe_regex_or_string(pattern)
end)}
end)
|> Enum.into(%{})

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@ -0,0 +1,15 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.Utils do
@spec describe_regex_or_string(String.t() | Regex.t()) :: String.t()
def describe_regex_or_string(pattern) do
# This horror is needed to convert regex sigils to strings
if not is_binary(pattern) do
inspect(pattern)
else
pattern
end
end
end

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@ -0,0 +1,425 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.EmojiPolicyTest do
use Pleroma.DataCase
require Pleroma.Constants
alias Pleroma.Web.ActivityPub.MRF
alias Pleroma.Web.ActivityPub.MRF.EmojiPolicy
setup do: clear_config(:mrf_emoji)
setup do
clear_config([:mrf_emoji], %{
remove_url: [],
remove_shortcode: [],
federated_timeline_removal_url: [],
federated_timeline_removal_shortcode: []
})
end
@emoji_tags [
%{
"icon" => %{
"type" => "Image",
"url" => "https://example.org/emoji/biribiri/mikoto_smile2.png"
},
"id" => "https://example.org/emoji/biribiri/mikoto_smile2.png",
"name" => ":mikoto_smile2:",
"type" => "Emoji",
"updated" => "1970-01-01T00:00:00Z"
},
%{
"icon" => %{
"type" => "Image",
"url" => "https://example.org/emoji/biribiri/mikoto_smile3.png"
},
"id" => "https://example.org/emoji/biribiri/mikoto_smile3.png",
"name" => ":mikoto_smile3:",
"type" => "Emoji",
"updated" => "1970-01-01T00:00:00Z"
},
%{
"icon" => %{
"type" => "Image",
"url" => "https://example.org/emoji/nekomimi_girl_emoji/nekomimi_girl_emoji_007.png"
},
"id" => "https://example.org/emoji/nekomimi_girl_emoji/nekomimi_girl_emoji_007.png",
"name" => ":nekomimi_girl_emoji_007:",
"type" => "Emoji",
"updated" => "1970-01-01T00:00:00Z"
},
%{
"icon" => %{
"type" => "Image",
"url" => "https://example.org/test.png"
},
"id" => "https://example.org/test.png",
"name" => ":test:",
"type" => "Emoji",
"updated" => "1970-01-01T00:00:00Z"
}
]
@misc_tags [%{"type" => "Placeholder"}]
@user_data %{
"type" => "Person",
"id" => "https://example.org/placeholder",
"name" => "lol",
"tag" => @emoji_tags ++ @misc_tags
}
@status_data %{
"type" => "Create",
"object" => %{
"type" => "Note",
"id" => "https://example.org/placeholder",
"content" => "lol",
"tag" => @emoji_tags ++ @misc_tags,
"emoji" => %{
"mikoto_smile2" => "https://example.org/emoji/biribiri/mikoto_smile2.png",
"mikoto_smile3" => "https://example.org/emoji/biribiri/mikoto_smile3.png",
"nekomimi_girl_emoji_007" =>
"https://example.org/emoji/nekomimi_girl_emoji/nekomimi_girl_emoji_007.png",
"test" => "https://example.org/test.png"
},
"to" => ["https://example.org/self", Pleroma.Constants.as_public()],
"cc" => ["https://example.org/someone"]
},
"to" => ["https://example.org/self", Pleroma.Constants.as_public()],
"cc" => ["https://example.org/someone"]
}
@status_data_with_history %{
"type" => "Create",
"object" =>
@status_data["object"]
|> Map.merge(%{
"formerRepresentations" => %{
"type" => "OrderedCollection",
"orderedItems" => [@status_data["object"] |> Map.put("content", "older")],
"totalItems" => 1
}
}),
"to" => ["https://example.org/self", Pleroma.Constants.as_public()],
"cc" => ["https://example.org/someone"]
}
@emoji_react_data %{
"type" => "EmojiReact",
"tag" => [@emoji_tags |> Enum.at(3)],
"object" => "https://example.org/someobject",
"to" => ["https://example.org/self"],
"cc" => ["https://example.org/someone"]
}
@emoji_react_data_matching_regex %{
"type" => "EmojiReact",
"tag" => [@emoji_tags |> Enum.at(1)],
"object" => "https://example.org/someobject",
"to" => ["https://example.org/self"],
"cc" => ["https://example.org/someone"]
}
@emoji_react_data_matching_nothing %{
"type" => "EmojiReact",
"tag" => [@emoji_tags |> Enum.at(2)],
"object" => "https://example.org/someobject",
"to" => ["https://example.org/self"],
"cc" => ["https://example.org/someone"]
}
@emoji_react_data_unicode %{
"type" => "EmojiReact",
"content" => "😍",
"object" => "https://example.org/someobject",
"to" => ["https://example.org/self"],
"cc" => ["https://example.org/someone"]
}
describe "remove_url" do
setup do
clear_config([:mrf_emoji, :remove_url], [
"https://example.org/test.png",
~r{/biribiri/mikoto_smile[23]\.png},
"nekomimi_girl_emoji"
])
:ok
end
test "processes user" do
{:ok, filtered} = MRF.filter_one(EmojiPolicy, @user_data)
expected_tags = [@emoji_tags |> Enum.at(2)] ++ @misc_tags
assert %{"tag" => ^expected_tags} = filtered
end
test "processes status" do
{:ok, filtered} = MRF.filter_one(EmojiPolicy, @status_data)
expected_tags = [@emoji_tags |> Enum.at(2)] ++ @misc_tags
expected_emoji = %{
"nekomimi_girl_emoji_007" =>
"https://example.org/emoji/nekomimi_girl_emoji/nekomimi_girl_emoji_007.png"
}
assert %{"object" => %{"tag" => ^expected_tags, "emoji" => ^expected_emoji}} = filtered
end
test "processes status with history" do
{:ok, filtered} = MRF.filter_one(EmojiPolicy, @status_data_with_history)
expected_tags = [@emoji_tags |> Enum.at(2)] ++ @misc_tags
expected_emoji = %{
"nekomimi_girl_emoji_007" =>
"https://example.org/emoji/nekomimi_girl_emoji/nekomimi_girl_emoji_007.png"
}
assert %{
"object" => %{
"tag" => ^expected_tags,
"emoji" => ^expected_emoji,
"formerRepresentations" => %{"orderedItems" => [item]}
}
} = filtered
assert %{"tag" => ^expected_tags, "emoji" => ^expected_emoji} = item
end
test "processes updates" do
{:ok, filtered} =
MRF.filter_one(EmojiPolicy, @status_data_with_history |> Map.put("type", "Update"))
expected_tags = [@emoji_tags |> Enum.at(2)] ++ @misc_tags
expected_emoji = %{
"nekomimi_girl_emoji_007" =>
"https://example.org/emoji/nekomimi_girl_emoji/nekomimi_girl_emoji_007.png"
}
assert %{
"object" => %{
"tag" => ^expected_tags,
"emoji" => ^expected_emoji,
"formerRepresentations" => %{"orderedItems" => [item]}
}
} = filtered
assert %{"tag" => ^expected_tags, "emoji" => ^expected_emoji} = item
end
test "processes EmojiReact" do
assert {:reject, "[EmojiPolicy] Rejected for having disallowed emoji"} ==
MRF.filter_one(EmojiPolicy, @emoji_react_data)
assert {:reject, "[EmojiPolicy] Rejected for having disallowed emoji"} ==
MRF.filter_one(EmojiPolicy, @emoji_react_data_matching_regex)
assert {:ok, @emoji_react_data_matching_nothing} ==
MRF.filter_one(EmojiPolicy, @emoji_react_data_matching_nothing)
assert {:ok, @emoji_react_data_unicode} ==
MRF.filter_one(EmojiPolicy, @emoji_react_data_unicode)
end
end
describe "remove_shortcode" do
setup do
clear_config([:mrf_emoji, :remove_shortcode], [
"test",
~r{mikoto_s},
"nekomimi_girl_emoji"
])
:ok
end
test "processes user" do
{:ok, filtered} = MRF.filter_one(EmojiPolicy, @user_data)
expected_tags = [@emoji_tags |> Enum.at(2)] ++ @misc_tags
assert %{"tag" => ^expected_tags} = filtered
end
test "processes status" do
{:ok, filtered} = MRF.filter_one(EmojiPolicy, @status_data)
expected_tags = [@emoji_tags |> Enum.at(2)] ++ @misc_tags
expected_emoji = %{
"nekomimi_girl_emoji_007" =>
"https://example.org/emoji/nekomimi_girl_emoji/nekomimi_girl_emoji_007.png"
}
assert %{"object" => %{"tag" => ^expected_tags, "emoji" => ^expected_emoji}} = filtered
end
test "processes status with history" do
{:ok, filtered} = MRF.filter_one(EmojiPolicy, @status_data_with_history)
expected_tags = [@emoji_tags |> Enum.at(2)] ++ @misc_tags
expected_emoji = %{
"nekomimi_girl_emoji_007" =>
"https://example.org/emoji/nekomimi_girl_emoji/nekomimi_girl_emoji_007.png"
}
assert %{
"object" => %{
"tag" => ^expected_tags,
"emoji" => ^expected_emoji,
"formerRepresentations" => %{"orderedItems" => [item]}
}
} = filtered
assert %{"tag" => ^expected_tags, "emoji" => ^expected_emoji} = item
end
test "processes updates" do
{:ok, filtered} =
MRF.filter_one(EmojiPolicy, @status_data_with_history |> Map.put("type", "Update"))
expected_tags = [@emoji_tags |> Enum.at(2)] ++ @misc_tags
expected_emoji = %{
"nekomimi_girl_emoji_007" =>
"https://example.org/emoji/nekomimi_girl_emoji/nekomimi_girl_emoji_007.png"
}
assert %{
"object" => %{
"tag" => ^expected_tags,
"emoji" => ^expected_emoji,
"formerRepresentations" => %{"orderedItems" => [item]}
}
} = filtered
assert %{"tag" => ^expected_tags, "emoji" => ^expected_emoji} = item
end
test "processes EmojiReact" do
assert {:reject, "[EmojiPolicy] Rejected for having disallowed emoji"} ==
MRF.filter_one(EmojiPolicy, @emoji_react_data)
assert {:reject, "[EmojiPolicy] Rejected for having disallowed emoji"} ==
MRF.filter_one(EmojiPolicy, @emoji_react_data_matching_regex)
assert {:ok, @emoji_react_data_matching_nothing} ==
MRF.filter_one(EmojiPolicy, @emoji_react_data_matching_nothing)
assert {:ok, @emoji_react_data_unicode} ==
MRF.filter_one(EmojiPolicy, @emoji_react_data_unicode)
end
end
describe "federated_timeline_removal_url" do
setup do
clear_config([:mrf_emoji, :federated_timeline_removal_url], [
"https://example.org/test.png",
~r{/biribiri/mikoto_smile[23]\.png},
"nekomimi_girl_emoji"
])
:ok
end
test "processes status" do
{:ok, filtered} = MRF.filter_one(EmojiPolicy, @status_data)
expected_tags = @status_data["object"]["tag"]
expected_emoji = @status_data["object"]["emoji"]
expected_to = ["https://example.org/self"]
expected_cc = [Pleroma.Constants.as_public(), "https://example.org/someone"]
assert %{
"to" => ^expected_to,
"cc" => ^expected_cc,
"object" => %{"tag" => ^expected_tags, "emoji" => ^expected_emoji}
} = filtered
end
test "ignore updates" do
{:ok, filtered} = MRF.filter_one(EmojiPolicy, @status_data |> Map.put("type", "Update"))
expected_tags = @status_data["object"]["tag"]
expected_emoji = @status_data["object"]["emoji"]
expected_to = ["https://example.org/self", Pleroma.Constants.as_public()]
expected_cc = ["https://example.org/someone"]
assert %{
"to" => ^expected_to,
"cc" => ^expected_cc,
"object" => %{"tag" => ^expected_tags, "emoji" => ^expected_emoji}
} = filtered
end
test "processes status with history" do
status =
@status_data_with_history
|> put_in(["object", "tag"], @misc_tags)
|> put_in(["object", "emoji"], %{})
{:ok, filtered} = MRF.filter_one(EmojiPolicy, status)
expected_tags = @status_data["object"]["tag"]
expected_emoji = @status_data["object"]["emoji"]
expected_to = ["https://example.org/self"]
expected_cc = [Pleroma.Constants.as_public(), "https://example.org/someone"]
assert %{
"to" => ^expected_to,
"cc" => ^expected_cc,
"object" => %{
"formerRepresentations" => %{
"orderedItems" => [%{"tag" => ^expected_tags, "emoji" => ^expected_emoji}]
}
}
} = filtered
end
end
describe "edge cases" do
setup do
clear_config([:mrf_emoji, :remove_url], [
"https://example.org/test.png",
~r{/biribiri/mikoto_smile[23]\.png},
"nekomimi_girl_emoji"
])
:ok
end
test "non-statuses" do
answer = @status_data |> put_in(["object", "type"], "Answer")
{:ok, filtered} = MRF.filter_one(EmojiPolicy, answer)
assert filtered == answer
end
test "without tag" do
status = @status_data |> Map.put("object", Map.drop(@status_data["object"], ["tag"]))
{:ok, filtered} = MRF.filter_one(EmojiPolicy, status)
refute Map.has_key?(filtered["object"], "tag")
end
test "without emoji" do
status = @status_data |> Map.put("object", Map.drop(@status_data["object"], ["emoji"]))
{:ok, filtered} = MRF.filter_one(EmojiPolicy, status)
refute Map.has_key?(filtered["object"], "emoji")
end
end
end

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.UtilsTest do
use Pleroma.DataCase, async: true
alias Pleroma.Web.ActivityPub.MRF.Utils
describe "describe_regex_or_string/1" do
test "describes regex" do
assert "~r/foo/i" == Utils.describe_regex_or_string(~r/foo/i)
end
test "returns string as-is" do
assert "foo" == Utils.describe_regex_or_string("foo")
end
end
end