Fix possibility of unrightful webfinger redirect (#2147)

* Fix possibility of unrightful webfinger redirect

* Add more tests for FollowRemoteAccountService

1 files changed, 31 insertions, 6 deletions

diff --git a/spec/services/follow_remote_account_service_spec.rb b/spec/services/follow_remote_account_service_spec.rb
index 27df76457..a8d4a7c6b 100644
--- a/spec/services/follow_remote_account_service_spec.rb
+++ b/spec/services/follow_remote_account_service_spec.rb
@@ -3,10 +3,35 @@ require 'rails_helper'
 RSpec.describe FollowRemoteAccountService do
   subject { FollowRemoteAccountService.new }
 
-  it 'returns nil if no such user can be resolved via webfinger'
-  it 'returns nil if the domain does not have webfinger'
-  it 'returns nil if remote user does not offer a hub URL'
-  it 'returns an already existing remote account'
-  it 'returns a new remote account'
-  it 'fills the remote account with profile information'
+  before do
+    stub_request(:get, "https://quitter.no/.well-known/host-meta").to_return(request_fixture('.host-meta.txt'))
+    stub_request(:get, "https://example.com/.well-known/host-meta").to_return(status: 404)
+    stub_request(:get, "https://quitter.no/.well-known/webfinger?resource=acct:gargron@quitter.no").to_return(request_fixture('webfinger.txt'))
+    stub_request(:get, "https://quitter.no/.well-known/webfinger?resource=acct:catsrgr8@quitter.no").to_return(status: 404)
+    stub_request(:get, "https://quitter.no/api/statuses/user_timeline/7477.atom").to_return(request_fixture('feed.txt'))
+    stub_request(:get, "https://quitter.no/avatar/7477-300-20160211190340.png").to_return(request_fixture('avatar.txt'))
+  end
+
+  it 'raises error if no such user can be resolved via webfinger' do
+    expect { subject.call('catsrgr8@quitter.no') }.to raise_error Goldfinger::Error
+  end
+
+  it 'raises error if the domain does not have webfinger' do
+    expect { subject.call('catsrgr8@example.com') }.to raise_error Goldfinger::Error
+  end
+
+  it 'returns an already existing remote account' do
+    old_account      = Fabricate(:account, username: 'gargron', domain: 'quitter.no')
+    returned_account = subject.call('gargron@quitter.no')
+
+    expect(old_account.id).to eq returned_account.id
+  end
+
+  it 'returns a new remote account' do
+    account = subject.call('gargron@quitter.no')
+
+    expect(account.username).to eq 'gargron'
+    expect(account.domain).to eq 'quitter.no'
+    expect(account.remote_url).to eq 'https://quitter.no/api/statuses/user_timeline/7477.atom'
+  end
 end