Update rubocop-performance requirement from ~> 1.13.0 to ~> 1.19.1

Updates the requirements on [rubocop-performance](https://github.com/rubocop/rubocop-performance) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop-performance/compare/v1.13.0...v1.19.1)

---
updated-dependencies:
- dependency-name: rubocop-performance
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: [2.7, '3.0', 3.1, 3.2]
+        ruby: [2.7, '3.0', 3.1]
 
     steps:
     - name: Checkout code

README.md

@@ -38,9 +38,7 @@ When using a pentesting distubution (such as Kali Linux), it is recommended to i
 
 ### In macOSX via Homebrew
 
-```shell
-brew install wpscanteam/tap/wpscan
-```
+`brew install wpscanteam/tap/wpscan`
 
 ### From RubyGems
 

app/finders/db_exports/known_locations.rb

@@ -7,10 +7,6 @@ module WPScan
       class KnownLocations < CMSScanner::Finders::Finder
         include CMSScanner::Finders::Finder::Enumerator
 
-        def valid_response_codes
-          @valid_response_codes ||= [200, 206].freeze
-        end
-
         SQL_PATTERN = /(?:DROP|(?:UN)?LOCK|CREATE|ALTER) (?:TABLE|DATABASE)|INSERT INTO/.freeze
 
         # @param [ Hash ] opts
@@ -21,7 +17,7 @@ module WPScan
         def aggressive(opts = {})
           found = []
 
-          enumerate(potential_urls(opts), opts.merge(check_full_response: valid_response_codes)) do |res|
+          enumerate(potential_urls(opts), opts.merge(check_full_response: 200)) do |res|
             if res.effective_url.end_with?('.zip')
               next unless %r{\Aapplication/zip}i.match?(res.headers['Content-Type'])
             else

app/finders/users/oembed_api.rb

@@ -36,8 +36,6 @@ module WPScan
 
           oembed_data = oembed_data.first if oembed_data.is_a?(Array)
 
-          oembed_data = {} unless oembed_data.is_a?(Hash)
-
           if oembed_data['author_url'] =~ %r{/author/([^/]+)/?\z}
             details = [Regexp.last_match[1], 'Author URL', 90]
           elsif oembed_data['author_name'] && !oembed_data['author_name'].empty?

app/finders/users/wp_json_api.rb

@@ -42,17 +42,13 @@ module WPScan
         def users_from_response(response)
           found = []
 
-          json = JSON.parse(response.body)
-
-          if json.is_a?(Enumerable)
-            json.each do |user|
+          JSON.parse(response.body)&.each do |user|
             found << Model::User.new(user['slug'],
                                      id: user['id'],
                                      found_by: found_by,
                                      confidence: 100,
                                      interesting_entries: [response.effective_url])
           end
-          end
 
           found
         end

app/models/theme.rb

@@ -92,7 +92,7 @@ module WPScan
           tags: 'Tags',
           text_domain: 'Text Domain'
         }.each do |attribute, tag|
-          instance_variable_set(:"@#{attribute}", parse_style_tag(style_body, tag)&.force_encoding('UTF-8'))
+          instance_variable_set(:"@#{attribute}", parse_style_tag(style_body, tag))
         end
       end
 

lib/wpscan/helper.rb

@@ -16,8 +16,5 @@ def classify_slug(slug)
   classified = slug.to_s.gsub(/[^a-z\d\-]/i, '-').gsub(/-{1,}/, '_').camelize.to_s
   classified = "D_#{classified}" if /\d/.match?(classified[0])
 
-  # Special case for slugs with all non-latin characters.
-  classified = "HexSlug_#{slug.bytes.map { |i| i.to_s(16) }.join}" if classified.empty?
-
   classified.to_sym
 end

spec/app/finders/users/oembed_api_spec.rb

@@ -13,19 +13,11 @@ describe WPScan::Finders::Users::OembedApi do
     end
 
     context 'when not a JSON response' do
-      context 'when empty' do
       let(:body) { '' }
 
       its(:aggressive) { should eql([]) }
     end
 
-      context 'when a string' do
-        let(:body) { '404' }
-
-        its(:aggressive) { should eql([]) }
-      end
-    end
-
     context 'when a JSON response' do
       let(:body) { File.read(fixture) }
 

spec/app/finders/users/wp_json_api_spec.rb

@@ -20,19 +20,11 @@ describe WPScan::Finders::Users::WpJsonApi do
       end
 
       context 'when not a JSON response' do
-        context 'when empty' do
         let(:body) { '' }
 
         its(:aggressive) { should eql([]) }
       end
 
-        context 'when a string' do
-          let(:body) { '404' }
-
-          its(:aggressive) { should eql([]) }
-        end
-      end
-
       context 'when a JSON response' do
         context 'when unauthorised' do
           let(:body) { File.read(fixtures.join('401.json')) }

spec/lib/helper_spec.rb

@@ -7,8 +7,7 @@ describe '#classify_slug' do
     '12-slug' => :D_12Slug,
     'slug.s' => :SlugS,
     'slug yolo $' => :SlugYolo,
-    'slug $ ab.cd/12' => :SlugAbCd12,
-    'カスタムテーマ' => :HexSlug_e382abe382b9e382bfe383a0e38386e383bce3839e
+    'slug $ ab.cd/12' => :SlugAbCd12
   }.each do |slug, expected_symbol|
     context "when #{slug}" do
       it "returns #{expected_symbol}" do

wpscan.gemspec

@@ -28,7 +28,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rspec',               '~> 3.12.0'
   s.add_development_dependency 'rspec-its',           '~> 1.3.0'
   s.add_development_dependency 'rubocop',             '~> 1.26.0'
-  s.add_development_dependency 'rubocop-performance', '~> 1.13.0'
+  s.add_development_dependency 'rubocop-performance', '~> 1.19.1'
   s.add_development_dependency 'simplecov',           '~> 0.21.0'
   s.add_development_dependency 'simplecov-lcov',      '~> 0.8.0'
   s.add_development_dependency 'stackprof',           '~> 0.2.12'