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Fix followers synchronization mechanism not working when URI has empty path (#16510)

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* Fix followers synchronization mechanism not working when URI has empty path

To my knowledge, there is no current implementation on the fediverse
that can use bare domains (e.g., actor is at https://example.org instead of
something like https://example.org/actor) that also plans to support the
followers synchronization mechanism. However, Mastodon's current implementation
would exclude such accounts from followers list.

Also adds tests and rename them to reflect the proper method names.

* Move url prefix regexp to its own constant
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Claire 2021-08-11 17:48:42 +02:00 • committed by GitHub
parent 13b08610a0
commit 5efb1ff337
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5 changed files with 49 additions and 38 deletions
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63
spec/models/concerns/account_interactions_spec.rb
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@ -539,46 +539,57 @@ describe AccountInteractions do
end
end
describe '#followers_hash' do
describe '#remote_followers_hash' do
let(:me) { Fabricate(:account, username: 'Me') }
let(:remote_1) { Fabricate(:account, username: 'alice', domain: 'example.org', uri: 'https://example.org/users/alice') }
let(:remote_2) { Fabricate(:account, username: 'bob', domain: 'example.org', uri: 'https://example.org/users/bob') }
let(:remote_3) { Fabricate(:account, username: 'eve', domain: 'foo.org', uri: 'https://foo.org/users/eve') }
let(:remote_3) { Fabricate(:account, username: 'instance-actor', domain: 'example.org', uri: 'https://example.org') }
let(:remote_4) { Fabricate(:account, username: 'eve', domain: 'foo.org', uri: 'https://foo.org/users/eve') }
before do
remote_1.follow!(me)
remote_2.follow!(me)
remote_3.follow!(me)
remote_4.follow!(me)
me.follow!(remote_1)
end
context 'on a local user' do
it 'returns correct hash for remote domains' do
expect(me.remote_followers_hash('https://example.org/')).to eq '707962e297b7bd94468a21bc8e506a1bcea607a9142cd64e27c9b106b2a5f6ec'
expect(me.remote_followers_hash('https://foo.org/')).to eq 'ccb9c18a67134cfff9d62c7f7e7eb88e6b803446c244b84265565f4eba29df0e'
end
it 'invalidates cache as needed when removing or adding followers' do
expect(me.remote_followers_hash('https://example.org/')).to eq '707962e297b7bd94468a21bc8e506a1bcea607a9142cd64e27c9b106b2a5f6ec'
remote_1.unfollow!(me)
expect(me.remote_followers_hash('https://example.org/')).to eq '241b00794ce9b46aa864f3220afadef128318da2659782985bac5ed5bd436bff'
remote_1.follow!(me)
expect(me.remote_followers_hash('https://example.org/')).to eq '707962e297b7bd94468a21bc8e506a1bcea607a9142cd64e27c9b106b2a5f6ec'
end
it 'returns correct hash for remote domains' do
expect(me.remote_followers_hash('https://example.org/')).to eq '20aecbe774b3d61c25094370baf370012b9271c5b172ecedb05caff8d79ef0c7'
expect(me.remote_followers_hash('https://foo.org/')).to eq 'ccb9c18a67134cfff9d62c7f7e7eb88e6b803446c244b84265565f4eba29df0e'
expect(me.remote_followers_hash('https://foo.org.evil.com/')).to eq '0000000000000000000000000000000000000000000000000000000000000000'
expect(me.remote_followers_hash('https://foo')).to eq '0000000000000000000000000000000000000000000000000000000000000000'
end
context 'on a remote user' do
it 'returns correct hash for remote domains' do
expect(remote_1.local_followers_hash).to eq Digest::SHA256.hexdigest(ActivityPub::TagManager.instance.uri_for(me))
end
it 'invalidates cache as needed when removing or adding followers' do
expect(me.remote_followers_hash('https://example.org/')).to eq '20aecbe774b3d61c25094370baf370012b9271c5b172ecedb05caff8d79ef0c7'
remote_3.unfollow!(me)
expect(me.remote_followers_hash('https://example.org/')).to eq '707962e297b7bd94468a21bc8e506a1bcea607a9142cd64e27c9b106b2a5f6ec'
remote_1.unfollow!(me)
expect(me.remote_followers_hash('https://example.org/')).to eq '241b00794ce9b46aa864f3220afadef128318da2659782985bac5ed5bd436bff'
remote_1.follow!(me)
expect(me.remote_followers_hash('https://example.org/')).to eq '707962e297b7bd94468a21bc8e506a1bcea607a9142cd64e27c9b106b2a5f6ec'
end
end
it 'invalidates cache as needed when removing or adding followers' do
expect(remote_1.local_followers_hash).to eq Digest::SHA256.hexdigest(ActivityPub::TagManager.instance.uri_for(me))
me.unfollow!(remote_1)
expect(remote_1.local_followers_hash).to eq '0000000000000000000000000000000000000000000000000000000000000000'
me.follow!(remote_1)
expect(remote_1.local_followers_hash).to eq Digest::SHA256.hexdigest(ActivityPub::TagManager.instance.uri_for(me))
end
describe '#local_followers_hash' do
let(:me) { Fabricate(:account, username: 'Me') }
let(:remote_1) { Fabricate(:account, username: 'alice', domain: 'example.org', uri: 'https://example.org/users/alice') }
before do
me.follow!(remote_1)
end
it 'returns correct hash for local users' do
expect(remote_1.local_followers_hash).to eq Digest::SHA256.hexdigest(ActivityPub::TagManager.instance.uri_for(me))
end
it 'invalidates cache as needed when removing or adding followers' do
expect(remote_1.local_followers_hash).to eq Digest::SHA256.hexdigest(ActivityPub::TagManager.instance.uri_for(me))
me.unfollow!(remote_1)
expect(remote_1.local_followers_hash).to eq '0000000000000000000000000000000000000000000000000000000000000000'
me.follow!(remote_1)
expect(remote_1.local_followers_hash).to eq Digest::SHA256.hexdigest(ActivityPub::TagManager.instance.uri_for(me))
end
end