rubocop formatting for server.rb

1 files changed, 59 insertions, 58 deletions

diff --git a/server.rb b/server.rb
index 809538b..282c3e9 100644
--- a/server.rb
+++ b/server.rb
@@ -1,51 +1,56 @@
+# frozen_string_literal: true
+
 before '/inbox' do
   request.body.rewind # in case someone already read it
   @body = request.body.read
   @activity = JSON.parse @body
   @object = @activity['object']
-  @object = fetch(@object) if @object.is_a? String and @object.match(/^http/)
+  @object = fetch(@object) if @object.is_a?(String) && @object.match(/^http/)
 end
 
 # client-server
 post '/outbox' do
   protected!
-  #send_signed @activity
+  # send_signed @activity
 end
 
 # server-server
-post "/inbox" do 
+post '/inbox' do
   verify!
   type = @activity['type'].downcase.to_sym
-  respond_to?(type) ? send(type) : p("Unknown activity: #{type}")  
+  respond_to?(type) ? send(type) : p("Unknown activity: #{type}")
 end
 
 # public
-get "/.well-known/webfinger" do
-  request["resource"] == "acct:#{ACCOUNT}" ? send_file("./public/webfinger", :type => "application/jrd+json") : halt(404)
+get '/.well-known/webfinger' do
+  if request['resource'] == "acct:#{ACCOUNT}"
+    send_file('./public/webfinger',
+              type: 'application/jrd+json')
+  else
+    halt(404)
+  end
 end
 
-["/outbox","/following","/followers"].each do |path|
-  get path do 
-    ordered_collection(File.join(PUBLIC_DIR,path)).to_json
+['/outbox', '/following', '/followers'].each do |path|
+  get path do
+    ordered_collection(File.join(PUBLIC_DIR, path)).to_json
   end
 end
 
 get '/tags/:tag' do |tag|
-  ordered_collection(File.join(TAGS,tag)).to_json
+  ordered_collection(File.join(TAGS, tag)).to_json
 end
 
 helpers do
-
   # https://github.com/mastodon/mastodon/blob/main/app/controllers/concerns/signature_verification.rb
   def verify!
-
     # verify digest
-    sha256 = OpenSSL::Digest::SHA256.new
-    digest = "SHA-256=" + sha256.base64digest(@body)
-    halt 403 unless digest == request.env["HTTP_DIGEST"]
+    sha256 = OpenSSL::Digest.new('SHA256')
+    digest = "SHA-256=#{sha256.base64digest(@body)}"
+    halt 403 unless digest == request.env['HTTP_DIGEST']
 
     signature_params = {}
-    request.env["HTTP_SIGNATURE"].split(',').each do |pair|
+    request.env['HTTP_SIGNATURE'].split(',').each do |pair|
       k, v = pair.split('=')
       signature_params[k] = v.gsub('"', '')
     end
@@ -55,9 +60,7 @@ helpers do
     signature = Base64.decode64(signature_params['signature'])
 
     actor = fetch key_id
-    if not actor and @activity["type"] == "Delete" # deleted users do not return actors
-      halt 200
-    end
+    halt 200 if !actor && (@activity['type'] == 'Delete') # deleted users do not return actors
 
     halt 403 unless actor
     key = OpenSSL::PKey::RSA.new(actor['publicKey']['publicKeyPem'])
@@ -66,9 +69,9 @@ helpers do
       if signed_params_name == '(request-target)'
         '(request-target): post /inbox'
       elsif signed_params_name == 'content-type'
-        "#{signed_params_name}: #{request.env["CONTENT_TYPE"]}"
+        "#{signed_params_name}: #{request.env['CONTENT_TYPE']}"
       else
-        "#{signed_params_name}: #{request.env["HTTP_" + signed_params_name.upcase]}"
+        "#{signed_params_name}: #{request.env["HTTP_#{signed_params_name.upcase}"]}"
       end
     end.join("\n")
 
@@ -76,17 +79,17 @@ helpers do
   end
 
   def create
-    unless object_exists?
-      File.open(object_file, "w+") { |f| f.puts @object.to_json }
-      if @object and @object['inReplyTo']
-        @object = fetch @object['inReplyTo']
-        create if @object
-      end
-    end
+    return if object_exists?
+
+    File.open(object_file, 'w+') { |f| f.puts @object.to_json }
+    return unless @object && @object['inReplyTo']
+
+    @object = fetch @object['inReplyTo']
+    create if @object
   end
 
-  def delete 
-    Dir["inbox/*/*.json"].each do |file|
+  def delete
+    Dir['inbox/*/*.json'].each do |file|
       FileUtils.rm file if JSON.parse(File.read(file))['id'] == @object['id']
     end
   end
@@ -101,45 +104,44 @@ helpers do
   end
 
   def accept
-    if @object['type'] == 'Follow'
-      File.open(File.join(FOLLOWING, mention(@object['object'])+'.json'),'w+'){|f| f.puts @object.to_json}
-    end
+    return unless @object['type'] == 'Follow'
+
+    File.open(File.join(FOLLOWING, "#{mention(@object['object'])}.json"), 'w+') { |f| f.puts @object.to_json }
   end
 
   def undo
-    if @object['type'] == 'Follow'
-      Dir[File.join(FOLLOWERS, '*.json')].each do |follower|
-        FileUtils.rm follower if JSON.parse(File.read(follower))["actor"] == @object["actor"]
-      end
+    return unless @object['type'] == 'Follow'
+
+    Dir[File.join(FOLLOWERS, '*.json')].each do |follower|
+      FileUtils.rm follower if JSON.parse(File.read(follower))['actor'] == @object['actor']
     end
   end
 
   def follow
-    File.open(File.join(FOLLOWERS, mention(@activity['actor']) + '.json'), 'w+') { |f| f.puts @body }
+    File.open(File.join(FOLLOWERS, "#{mention(@activity['actor'])}.json"), 'w+') { |f| f.puts @body }
     accept = { '@context' => 'https://www.w3.org/ns/activitystreams',
-               'id' => File.join(SOCIAL_URL + '#accepts', SecureRandom.uuid),
+               'id' => File.join("#{SOCIAL_URL}#accepts", SecureRandom.uuid),
                'type' => 'Accept',
                'actor' => ACTOR,
                'object' => @activity,
-               'to' => [ @activity['actor'] ]
-       }
-    send_signed accept#, @activity['actor']
+               'to' => [@activity['actor']] }
+    send_signed accept # , @activity['actor']
   end
 
-  #when "Move"
-  #when "Add"
-  #when "Remove"
-  #when "Like"
-  #when "Block"
+  # when "Move"
+  # when "Add"
+  # when "Remove"
+  # when "Like"
+  # when "Block"
 
   def inbox
-    Dir[File.join(INBOX,'*','*.json')].collect do |file|
+    Dir[File.join(INBOX, '*', '*.json')].collect do |file|
       JSON.parse(File.read(file))
-    end.sort_by { |o| o["published"] }
+    end.sort_by { |o| o['published'] }
   end
 
   def object_exists?
-    not inbox.select{|o| o['id'] == @object['id']}.empty?
+    !inbox.select { |o| o['id'] == @object['id'] }.empty?
   end
 
   def object_file
@@ -148,15 +150,14 @@ helpers do
     File.join dir, "#{Time.now.strftime('%Y-%m-%dT%H:%M:%S.%N')}.json"
   end
 
-  def ordered_collection dir
-    posts = Dir[File.join(dir, "*.json")].collect { |f| JSON.parse(File.read f) }.sort_by { |o| o["published"] }
+  def ordered_collection(dir)
+    posts = Dir[File.join(dir, '*.json')].collect { |f| JSON.parse(File.read(f)) }.sort_by { |o| o['published'] }
     {
-      "@context" => "https://www.w3.org/ns/activitystreams",
-      "summary" => "#{USER} #{dir}",
-      "type" => "OrderedCollection",
-      "totalItems" => posts.size,
-      "orderedItems" => posts,
+      '@context' => 'https://www.w3.org/ns/activitystreams',
+      'summary' => "#{USER} #{dir}",
+      'type' => 'OrderedCollection',
+      'totalItems' => posts.size,
+      'orderedItems' => posts
     }
   end
-
 end