From d635057cb576c5570c5ceba5945cc5339b0f41ab Mon Sep 17 00:00:00 2001
From: pdp8 <pdp8@pdp8.info>
Date: Mon, 11 Sep 2023 21:09:26 +0200
Subject: new create format, outbox refactoring

---
 server.rb | 107 ++++++++++++++++++++++++++++----------------------------------
 1 file changed, 48 insertions(+), 59 deletions(-)

(limited to 'server.rb')

diff --git a/server.rb b/server.rb
index f44e8f0..2bcb102 100644
--- a/server.rb
+++ b/server.rb
@@ -5,7 +5,7 @@ post '/inbox' do
   begin
     @activity = JSON.parse @body
   rescue StandardError => e
-    p @body
+    p e, @body
     halt 400
   end
   # deleted actors return 403 => verification error
@@ -80,7 +80,7 @@ helpers do
 
   def follow
     update_collection FOLLOWERS, @activity['actor']
-    outbox 'Accept', @activity, [@activity['actor']]
+    create_activity 'Accept', @activity, [@activity['actor']]
   end
 
   def accept
@@ -96,7 +96,7 @@ helpers do
   def undo
     case @activity['object']['type']
     when 'Follow'
-      update_collection FOLLOWERS, @activity['object']['actor'], true
+      update_collection FOLLOWERS, @activity['object']['actor'], 'delete'
     when 'Create', 'Announce'
       file = find_file @activity['object']['object']
       FileUtils.rm(file) if file
@@ -119,7 +119,7 @@ helpers do
   end
 
   def move
-    outbox 'Follow', @activity['target'], [@activity['target']] if @activity['actor'] == @activity['object']
+    create_activity 'Follow', @activity['target'], [@activity['target']] if @activity['actor'] == @activity['object']
   end
 
   def handle_activity
@@ -187,59 +187,48 @@ helpers do
     halt 403 unless key.verify(OpenSSL::Digest.new('SHA256'), signature, comparison)
   end
 
-  def actor_inbox(url)
-    actor = fetch url
-    return unless actor
-
-    if actor['endpoints'] and actor['endpoints']['sharedInbox']
-      actor['endpoints']['sharedInbox']
-    elsif actor['inbox']
-      actor['inbox']
-    end
-  end
-
-  def outbox(type, object, to) # https://github.com/mastodon/mastodon/blob/main/app/lib/request.rb
-    to = [to] if to.is_a?(String)
-    inboxes = []
-    to.uniq.each do |url|
-      next if [ACTOR, 'https://www.w3.org/ns/activitystreams#Public'].include? url
-
-      if url == FOLLOWERS_URL
-        JSON.load_file(FOLLOWERS)['orderedItems'].each do |follower|
-          inboxes << actor_inbox(follower)
-        end
-        next
-      end
-      inboxes << actor_inbox(url)
-    end
-
-    # add date and id, save
-    activity_path = save_activity({
-                                    '@context' => 'https://www.w3.org/ns/activitystreams',
-                                    'type' => type,
-                                    'actor' => ACTOR,
-                                    'object' => object,
-                                    'to' => to
-                                  }, OUTBOX)
-
-    # p activity_path
-    body = File.read(activity_path)
-    sha256 = OpenSSL::Digest.new('SHA256')
-    digest = "SHA-256=#{sha256.base64digest(body)}"
-    keypair = OpenSSL::PKey::RSA.new(File.read('private.pem'))
-
-    inboxes.compact.uniq.each do |inbox|
-      uri = URI(inbox)
-      httpdate = Time.now.utc.httpdate
-      string = "(request-target): post #{uri.request_uri}\nhost: #{uri.host}\ndate: #{httpdate}\ndigest: #{digest}\ncontent-type: #{CONTENT_TYPE}"
-      signature = Base64.strict_encode64(keypair.sign(OpenSSL::Digest.new('SHA256'), string))
-      signed_header = "keyId=\"#{ACTOR}#main-key\",algorithm=\"rsa-sha256\",headers=\"(request-target) host date digest content-type\",signature=\"#{signature}\""
-
-      # Net::HTTP fails with OpenSSL error
-      curl(
-        "-X POST -H 'Host: #{uri.host}' -H 'Date: #{httpdate}' -H 'Digest: #{digest}' -H 'Signature: #{signed_header}' --data-binary '@#{activity_path}'", inbox
-      )
-    end
-    activity_path
-  end
+  #   def outbox(type, object, to) # https://github.com/mastodon/mastodon/blob/main/app/lib/request.rb
+  #     to = [to] if to.is_a?(String)
+  #     inboxes = []
+  #     to.uniq.each do |url|
+  #       next if [ACTOR, 'https://www.w3.org/ns/activitystreams#Public'].include? url
+  #
+  #       if url == FOLLOWERS_URL
+  #         JSON.load_file(FOLLOWERS)['orderedItems'].each do |follower|
+  #           inboxes << actor_inbox(follower)
+  #         end
+  #         next
+  #       end
+  #       inboxes << actor_inbox(url)
+  #     end
+  #
+  #     # add date and id, save
+  #     activity_path = save_activity({
+  #                                     '@context' => 'https://www.w3.org/ns/activitystreams',
+  #                                     'type' => type,
+  #                                     'actor' => ACTOR,
+  #                                     'object' => object,
+  #                                     'to' => to
+  #                                   }, OUTBOX)
+  #
+  #     # p activity_path
+  #     body = File.read(activity_path)
+  #     sha256 = OpenSSL::Digest.new('SHA256')
+  #     digest = "SHA-256=#{sha256.base64digest(body)}"
+  #     keypair = OpenSSL::PKey::RSA.new(File.read('private.pem'))
+  #
+  #     inboxes.compact.uniq.each do |inbox|
+  #       uri = URI(inbox)
+  #       httpdate = Time.now.utc.httpdate
+  #       string = "(request-target): post #{uri.request_uri}\nhost: #{uri.host}\ndate: #{httpdate}\ndigest: #{digest}\ncontent-type: #{CONTENT_TYPE}"
+  #       signature = Base64.strict_encode64(keypair.sign(OpenSSL::Digest.new('SHA256'), string))
+  #       signed_header = "keyId=\"#{ACTOR}#main-key\",algorithm=\"rsa-sha256\",headers=\"(request-target) host date digest content-type\",signature=\"#{signature}\""
+  #
+  #       # Net::HTTP fails with OpenSSL error
+  #       curl(
+  #         "-X POST -H 'Host: #{uri.host}' -H 'Date: #{httpdate}' -H 'Digest: #{digest}' -H 'Signature: #{signed_header}' --data-binary '@#{activity_path}'", inbox
+  #       )
+  #     end
+  #     activity_path
+  #   end
 end
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