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Fix spurious edits and require incoming edits to be explicitly marked as such (#17918)

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* Change post text edit to not be considered significant if it's identical after reformatting

* We don't need to clear previous change information anymore

* Require status edits to be explicit, except for poll tallies

* Fix tests

* Add some tests

* Add poll-related tests

* Add HTML-formatting related tests
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Claire 2022-04-06 21:01:02 +02:00 • committed by GitHub
parent 454ef42aab
commit 8f91e304a5
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3 changed files with 220 additions and 12 deletions
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4
spec/services/activitypub/fetch_remote_status_service_spec.rb
View file

@ -195,7 +195,7 @@ RSpec.describe ActivityPub::FetchRemoteStatusService, type: :service do
let(:existing_status) { Fabricate(:status, account: sender, text: 'Foo', uri: note[:id]) }
context 'with a Note object' do
let(:object) { note }
let(:object) { note.merge(updated: '2021-09-08T22:39:25Z') }
it 'updates status' do
existing_status.reload
@ -211,7 +211,7 @@ RSpec.describe ActivityPub::FetchRemoteStatusService, type: :service do
id: "https://#{valid_domain}/@foo/1234/create",
type: 'Create',
actor: ActivityPub::TagManager.instance.uri_for(sender),
object: note,
object: note.merge(updated: '2021-09-08T22:39:25Z'),
}
end

178
spec/services/activitypub/process_status_update_service_spec.rb
View file

@ -1,5 +1,9 @@
require 'rails_helper'
def poll_option_json(name, votes)
{ type: 'Note', name: name, replies: { type: 'Collection', totalItems: votes } }
end
RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
let!(:status) { Fabricate(:status, text: 'Hello world', account: Fabricate(:account, domain: 'example.com')) }
@ -46,6 +50,180 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
expect(status.reload.spoiler_text).to eq 'Show more'
end
context 'when the changes are only in sanitized-out HTML' do
let!(:status) { Fabricate(:status, text: '<p>Hello world <a href="https://joinmastodon.org" rel="nofollow">joinmastodon.org</a></p>', account: Fabricate(:account, domain: 'example.com')) }
let(:payload) do
{
'@context': 'https://www.w3.org/ns/activitystreams',
id: 'foo',
type: 'Note',
updated: '2021-09-08T22:39:25Z',
content: '<p>Hello world <a href="https://joinmastodon.org" rel="noreferrer">joinmastodon.org</a></p>',
}
end
before do
subject.call(status, json)
end
it 'does not create any edits' do
expect(status.reload.edits).to be_empty
end
it 'does not mark status as edited' do
expect(status.edited?).to be false
end
end
context 'when the status has not been explicitly edited' do
let(:payload) do
{
'@context': 'https://www.w3.org/ns/activitystreams',
id: 'foo',
type: 'Note',
content: 'Updated text',
}
end
before do
subject.call(status, json)
end
it 'does not create any edits' do
expect(status.reload.edits).to be_empty
end
it 'does not mark status as edited' do
expect(status.reload.edited?).to be false
end
it 'does not update the text' do
expect(status.reload.text).to eq 'Hello world'
end
end
context 'when the status has not been explicitly edited and features a poll' do
let(:account) { Fabricate(:account, domain: 'example.com') }
let!(:expiration) { 10.days.from_now.utc }
let!(:status) do
Fabricate(:status,
text: 'Hello world',
account: account,
poll_attributes: {
options: %w(Foo Bar),
account: account,
multiple: false,
hide_totals: false,
expires_at: expiration
}
)
end
let(:payload) do
{
'@context': 'https://www.w3.org/ns/activitystreams',
id: 'https://example.com/foo',
type: 'Question',
content: 'Hello world',
endTime: expiration.iso8601,
oneOf: [
poll_option_json('Foo', 4),
poll_option_json('Bar', 3),
],
}
end
before do
subject.call(status, json)
end
it 'does not create any edits' do
expect(status.reload.edits).to be_empty
end
it 'does not mark status as edited' do
expect(status.reload.edited?).to be false
end
it 'does not update the text' do
expect(status.reload.text).to eq 'Hello world'
end
it 'updates tallies' do
expect(status.poll.reload.cached_tallies).to eq [4, 3]
end
end
context 'when the status changes a poll despite being not explicitly marked as updated' do
let(:account) { Fabricate(:account, domain: 'example.com') }
let!(:expiration) { 10.days.from_now.utc }
let!(:status) do
Fabricate(:status,
text: 'Hello world',
account: account,
poll_attributes: {
options: %w(Foo Bar),
account: account,
multiple: false,
hide_totals: false,
expires_at: expiration
}
)
end
let(:payload) do
{
'@context': 'https://www.w3.org/ns/activitystreams',
id: 'https://example.com/foo',
type: 'Question',
content: 'Hello world',
endTime: expiration.iso8601,
oneOf: [
poll_option_json('Foo', 4),
poll_option_json('Bar', 3),
poll_option_json('Baz', 3),
],
}
end
before do
subject.call(status, json)
end
it 'does not create any edits' do
expect(status.reload.edits).to be_empty
end
it 'does not mark status as edited' do
expect(status.reload.edited?).to be false
end
it 'does not update the text' do
expect(status.reload.text).to eq 'Hello world'
end
it 'does not update tallies' do
expect(status.poll.reload.cached_tallies).to eq [0, 0]
end
end
context 'when receiving an edit older than the latest processed' do
before do
status.snapshot!(at_time: status.created_at, rate_limit: false)
status.update!(text: 'Hello newer world', edited_at: Time.now.utc)
status.snapshot!(rate_limit: false)
end
it 'does not create any edits' do
expect { subject.call(status, json) }.not_to change { status.reload.edits.pluck(&:id) }
end
it 'does not update the text, spoiler_text or edited_at' do
expect { subject.call(status, json) }.not_to change { s = status.reload; [s.text, s.spoiler_text, s.edited_at] }
end
end
context 'with no changes at all' do
let(:payload) do
{