From cabdbb7f9c1df8007749d07a2e186bb3ad35f62b Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Sun, 26 Aug 2018 20:21:03 +0200 Subject: Add CLI task for rotating keys (#8466) * If an Update is signed with known key, skip re-following procedure Because it means the remote actor did *not* lose their database * Add CLI method for rotating keys bin/tootctl accounts rotate [USERNAME] Generates a new RSA key per account and sends out an Update activity signed with the old key. * Key rotation: Space out Update fan-outs every 5 minutes per 1000 accounts * Skip suspended accounts in key rotation --- app/lib/activitypub/activity/update.rb | 2 +- app/lib/activitypub/linked_data_signature.rb | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) (limited to 'app/lib/activitypub') diff --git a/app/lib/activitypub/activity/update.rb b/app/lib/activitypub/activity/update.rb index aa5907f03..6eebc3b5c 100644 --- a/app/lib/activitypub/activity/update.rb +++ b/app/lib/activitypub/activity/update.rb @@ -11,6 +11,6 @@ class ActivityPub::Activity::Update < ActivityPub::Activity def update_account return if @account.uri != object_uri - ActivityPub::ProcessAccountService.new.call(@account.username, @account.domain, @object) + ActivityPub::ProcessAccountService.new.call(@account.username, @account.domain, @object, signed_with_known_key: true) end end diff --git a/app/lib/activitypub/linked_data_signature.rb b/app/lib/activitypub/linked_data_signature.rb index 16142a6ff..f52a8f406 100644 --- a/app/lib/activitypub/linked_data_signature.rb +++ b/app/lib/activitypub/linked_data_signature.rb @@ -32,7 +32,7 @@ class ActivityPub::LinkedDataSignature end end - def sign!(creator) + def sign!(creator, sign_with: nil) options = { 'type' => 'RsaSignature2017', 'creator' => [ActivityPub::TagManager.instance.uri_for(creator), '#main-key'].join, @@ -42,8 +42,9 @@ class ActivityPub::LinkedDataSignature options_hash = hash(options.without('type', 'id', 'signatureValue').merge('@context' => CONTEXT)) document_hash = hash(@json.without('signature')) to_be_signed = options_hash + document_hash + keypair = sign_with.present? ? OpenSSL::PKey::RSA.new(sign_with) : creator.keypair - signature = Base64.strict_encode64(creator.keypair.sign(OpenSSL::Digest::SHA256.new, to_be_signed)) + signature = Base64.strict_encode64(keypair.sign(OpenSSL::Digest::SHA256.new, to_be_signed)) @json.merge('signature' => options.merge('signatureValue' => signature)) end -- cgit