style(rubocop): fix all safe auto correctable offenses

config/initializers/assets.rb

@@ -1,7 +1,7 @@
 # Be sure to restart your server when you modify this file.
 
 # Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = '1.0'
+Rails.application.config.assets.version = "1.0"
 
 # Add additional assets to the asset load path
 # Rails.application.config.assets.paths << Emoji.images_path

config/initializers/inflections.rb

@@ -12,13 +12,13 @@
 
 # These inflection rules are supported but not enabled by default:
 ActiveSupport::Inflector.inflections(:en) do |inflect|
-  inflect.acronym 'API'
-  inflect.acronym 'SMTP'
-  inflect.acronym 'IP'
-  inflect.acronym 'DNS'
-  inflect.acronym 'UUID'
-  inflect.acronym 'HTTP'
-  inflect.acronym 'DB'
-  inflect.acronym 'MX'
-  inflect.acronym 'DKIM'
+  inflect.acronym "API"
+  inflect.acronym "SMTP"
+  inflect.acronym "IP"
+  inflect.acronym "DNS"
+  inflect.acronym "UUID"
+  inflect.acronym "HTTP"
+  inflect.acronym "DB"
+  inflect.acronym "MX"
+  inflect.acronym "DKIM"
 end

config/initializers/mail_extensions.rb

@@ -1,37 +1,38 @@
-require 'mail'
+require "mail"
 module Mail
+
   module Encodings
+
     # Handle windows-1258 as windows-1252 when decoding
-    def Encodings.q_value_decode(str)
-      str = str.sub(/\=\?windows-?1258\?/i, '\=?windows-1252?')
+    def self.q_value_decode(str)
+      str = str.sub(/=\?windows-?1258\?/i, '\=?windows-1252?')
       RubyVer.q_value_decode(str)
     end
-    def Encodings.b_value_decode(str)
-      str = str.sub(/\=\?windows-?1258\?/i, '\=?windows-1252?')
+
+    def self.b_value_decode(str)
+      str = str.sub(/=\?windows-?1258\?/i, '\=?windows-1252?')
       RubyVer.b_value_decode(str)
     end
+
   end
 
   class Message
+
     ## Extract plain text body of message
     def plain_body
-      if self.multipart? and self.text_part
-        self.text_part.decoded
-      elsif self.mime_type == 'text/plain' || self.mime_type.nil?
-        self.decoded
-      else
-        nil
+      if multipart? and text_part
+        text_part.decoded
+      elsif mime_type == "text/plain" || mime_type.nil?
+        decoded
       end
     end
 
     ## Extract HTML text body of message
     def html_body
-      if self.multipart? and self.html_part
-        self.html_part.decoded
-      elsif self.mime_type == 'text/html'
-        self.decoded
-      else
-        nil
+      if multipart? and html_part
+        html_part.decoded
+      elsif mime_type == "text/html"
+        decoded
       end
     end
 
@@ -46,9 +47,21 @@ module Mail
     # Returns the filename of the attachment (if it exists) or returns nil
     # Make up a filename for rfc822 attachments if it isn't specified
     def find_attachment
-      content_type_name = header[:content_type].filename rescue nil
-      content_disp_name = header[:content_disposition].filename rescue nil
-      content_loc_name = header[:content_location].location rescue nil
+      content_type_name = begin
+        header[:content_type].filename
+      rescue StandardError
+        nil
+      end
+      content_disp_name = begin
+        header[:content_disposition].filename
+      rescue StandardError
+        nil
+      end
+      content_loc_name = begin
+        header[:content_location].location
+      rescue StandardError
+        nil
+      end
 
       if content_type && content_type_name
         filename = content_type_name
@@ -56,56 +69,73 @@ module Mail
         filename = content_disp_name
       elsif content_location && content_loc_name
         filename = content_loc_name
-      elsif self.mime_type == "message/rfc822"
-        filename = "#{rand(100000000)}.eml"
+      elsif mime_type == "message/rfc822"
+        filename = "#{rand(100_000_000)}.eml"
       else
         filename = nil
       end
 
       if filename
         # Normal decode
-        filename = Mail::Encodings.decode_encode(filename, :decode) rescue filename
+        filename = begin
+          Mail::Encodings.decode_encode(filename, :decode)
+        rescue StandardError
+          filename
+        end
       end
       filename
     end
 
     def decode_body_as_text
       body_text = decode_body
-      charset_tmp = Encoding.find(Ruby19.pick_encoding(charset)) rescue 'ASCII'
-      charset_tmp = 'Windows-1252' if charset_tmp.to_s =~ /windows-?1258/i
-      if charset_tmp == Encoding.find('UTF-7')
-        body_text.force_encoding('UTF-8')
-        decoded = body_text.gsub(/\+.*?\-/m) {|n|Base64.decode64(n[1..-2]+'===').force_encoding('UTF-16BE').encode('UTF-8')}
+      charset_tmp = begin
+        Encoding.find(Ruby19.pick_encoding(charset))
+      rescue StandardError
+        "ASCII"
+      end
+      charset_tmp = "Windows-1252" if charset_tmp.to_s =~ /windows-?1258/i
+      if charset_tmp == Encoding.find("UTF-7")
+        body_text.force_encoding("UTF-8")
+        decoded = body_text.gsub(/\+.*?-/m) { |n| Base64.decode64(n[1..-2] + "===").force_encoding("UTF-16BE").encode("UTF-8") }
       else
         body_text.force_encoding(charset_tmp)
-        decoded = body_text.encode("utf-8", :invalid => :replace, :undef => :replace)
+        decoded = body_text.encode("utf-8", invalid: :replace, undef: :replace)
       end
-      decoded.valid_encoding? ? decoded : decoded.encode("utf-16le", :invalid => :replace, :undef => :replace).encode("utf-8")
+      decoded.valid_encoding? ? decoded : decoded.encode("utf-16le", invalid: :replace, undef: :replace).encode("utf-8")
     end
+
   end
 
   # Handle attached emails as attachments
   class AttachmentsList < Array
+
     def initialize(parts_list)
       @parts_list = parts_list
-      @content_disposition_type = 'attachment'
-      parts_list.map { |p|
+      @content_disposition_type = "attachment"
+      parts_list.map do |p|
         (p.parts.empty? and p.attachment?) ? p : p.attachments
-      }.flatten.compact.each { |a| self << a }
+      end.flatten.compact.each { |a| self << a }
       self
     end
+
   end
+
 end
 
 class Array
+
   def decoded
-    return nil if self.empty?
-    return self.first.decoded
+    return nil if empty?
+
+    first.decoded
   end
+
 end
 
 class NilClass
+
   def decoded
     nil
   end
+
 end

config/initializers/postal.rb

@@ -1,2 +1,2 @@
-require 'postal'
-require 'postal/message_db/mysql'
+require "postal"
+require "postal/message_db/mysql"

config/initializers/record_key_for_dom.rb

@@ -1,5 +1,6 @@
 module ActionView
   module RecordIdentifier
+
     def dom_id(record, prefix = nil)
       if record.new_record?
         dom_class(record, prefix || NEW)
@@ -8,5 +9,6 @@ module ActionView
         "#{dom_class(record, prefix)}#{JOIN}#{id}"
       end
     end
+
   end
 end

config/initializers/secret_key.rb

@@ -1,6 +1,6 @@
 if Postal.config.rails&.secret_key
   Rails.application.secrets.secret_key_base = Postal.config.rails.secret_key
 else
-  $stderr.puts "No secret key was specified in the Postal config file. Using one for just this session"
+  warn "No secret key was specified in the Postal config file. Using one for just this session"
   Rails.application.secrets.secret_key_base = SecureRandom.hex(128)
 end

config/initializers/secure_headers.rb

@@ -1,10 +1,8 @@
 SecureHeaders::Configuration.default do |config|
-
   config.hsts = SecureHeaders::OPT_OUT
 
   config.csp[:default_src] = []
   config.csp[:script_src] = ["'self'"]
   config.csp[:child_src] = ["'self'"]
   config.csp[:connect_src] = ["'self'"]
-
 end

config/initializers/sentry.rb

@@ -1,14 +1,14 @@
-require 'postal/config'
+require "postal/config"
 
 if Postal.config.general&.exception_url
-  require 'raven'
+  require "raven"
   Raven.configure do |config|
     config.dsn = Postal.config.general.exception_url
-    config.environments = ['production']
-    if ENV['DEV_EXCEPTIONS']
-      config.environments << 'development'
+    config.environments = ["production"]
+    if ENV["DEV_EXCEPTIONS"]
+      config.environments << "development"
     end
     config.silence_ready = true
-    config.tags = {:process => ENV['PROC_NAME']}
+    config.tags = { process: ENV.fetch("PROC_NAME", nil) }
   end
 end

config/initializers/session_store.rb

@@ -1,3 +1,3 @@
 # Be sure to restart your server when you modify this file.
 
-Rails.application.config.session_store :cookie_store, key: '_postal_session'
+Rails.application.config.session_store :cookie_store, key: "_postal_session"

config/initializers/smtp.rb

@@ -1,5 +1,5 @@
-require 'postal/config'
+require "postal/config"
 if Postal.config&.smtp
   ActionMailer::Base.delivery_method = :smtp
-  ActionMailer::Base.smtp_settings = {:address => Postal.config.smtp.host, :user_name => Postal.config.smtp.username, :password => Postal.config.smtp.password, :port => Postal.config.smtp.port || 25}
+  ActionMailer::Base.smtp_settings = { address: Postal.config.smtp.host, user_name: Postal.config.smtp.username, password: Postal.config.smtp.password, port: Postal.config.smtp.port || 25 }
 end

config/initializers/smtp_extensions.rb

@@ -1,10 +1,13 @@
 class Net::SMTP::Response
+
   def message
     @string
   end
+
 end
 
 class Net::SMTP
+
   attr_accessor :source_address
 
   def secure_socket?
@@ -19,7 +22,7 @@ class Net::SMTP
   #
   def rset
     @error_occurred = false
-    getok('RSET')
+    getok("RSET")
   end
 
   def rset_errors
@@ -29,6 +32,7 @@ class Net::SMTP
   private
 
   def tcp_socket(address, port)
-    TCPSocket.open(address, port, self.source_address)
+    TCPSocket.open(address, port, source_address)
   end
+
 end

config/initializers/trusted_proxies.rb

@@ -1,9 +1,13 @@
 module Rack
   class Request
+
     module Helpers
+
       def trusted_proxy?(ip)
         ip =~ /^127\.0\.0\.1$|^localhost$|^unix$$/i
       end
+
     end
+
   end
 end