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Add handling of Linked Data Signatures in payloads (#4687)

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* Add handling of Linked Data Signatures in payloads

* Add a way to sign JSON, fix canonicalization of signature options

* Fix signatureValue encoding, send out signed JSON when distributing

* Add missing security context
This commit is contained in:
Eugen Rochko 2017-08-26 13:47:38 +02:00 • committed by GitHub
parent 1cebfed23e
commit 00840f4f2e
25 changed files with 369 additions and 30 deletions
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11
app/services/activitypub/process_collection_service.rb
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@ -9,6 +9,8 @@ class ActivityPub::ProcessCollectionService < BaseService
return if @account.suspended? || !supported_context?
verify_account! if different_actor?
case @json['type']
when 'Collection', 'CollectionPage'
process_items @json['items']
@ -23,6 +25,10 @@ class ActivityPub::ProcessCollectionService < BaseService
private
def different_actor?
@json['actor'].present? && value_or_id(@json['actor']) != @account.uri && @json['signature'].present?
end
def process_items(items)
items.reverse_each.map { |item| process_item(item) }.compact
end
@ -35,4 +41,9 @@ class ActivityPub::ProcessCollectionService < BaseService
activity = ActivityPub::Activity.factory(item, @account)
activity&.perform
end
def verify_account!
account = ActivityPub::LinkedDataSignature.new(@json).verify_account!
@account = account unless account.nil?
end
end