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rapid7/metasploit-framework

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lib/metasploit/framework/login_scanner/glassfish.rb

Summary

Maintainability
B
6 hrs
Test Coverage

Method check_setup has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.
Open

        def check_setup
          begin
            res = send_request({
              'uri' => '/common/index.jsf',
            })
Severity: Minor
Found in lib/metasploit/framework/login_scanner/glassfish.rb - About 1 hr to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method check_setup has 34 lines of code (exceeds 25 allowed). Consider refactoring.
Open

        def check_setup
          begin
            res = send_request({
              'uri' => '/common/index.jsf',
            })
Severity: Minor
Found in lib/metasploit/framework/login_scanner/glassfish.rb - About 1 hr to fix

    Avoid too many return statements within this method.
    Open

                  return "Unsupported version ('#{@version}')"
    Severity: Major
    Found in lib/metasploit/framework/login_scanner/glassfish.rb - About 30 mins to fix

      Avoid too many return statements within this method.
      Open

                  return "Unable to connect to target"
      Severity: Major
      Found in lib/metasploit/framework/login_scanner/glassfish.rb - About 30 mins to fix

        Avoid too many return statements within this method.
        Open

                    return "Connection failed" if res.nil?
        Severity: Major
        Found in lib/metasploit/framework/login_scanner/glassfish.rb - About 30 mins to fix

          Method try_glassfish_3 has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
          Open

                  def try_glassfish_3(credential)
          res = try_login(credential)
          if res && res.code == 302
            opts = {
              'uri'     => '/common/applications/uploadFrame.jsf',
          Severity: Minor
          Found in lib/metasploit/framework/login_scanner/glassfish.rb - About 25 mins to fix

          Cognitive Complexity

          Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

          A method's cognitive complexity is based on a few simple rules:

          • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
          • Code is considered more complex for each "break in the linear flow of the code"
          • Code is considered more complex when "flow breaking structures are nested"

          Further reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

                      opts = {
              'uri'     => '/common/applications/uploadFrame.jsf',
              'method'  => 'GET',
              'headers' => {
                'Cookie'  => "JSESSIONID=#{self.jsession}"
          Severity: Minor
          Found in lib/metasploit/framework/login_scanner/glassfish.rb and 1 other location - About 1 hr to fix
          lib/metasploit/framework/login_scanner/glassfish.rb on lines 134..146

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 47.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

                      opts = {
              'uri'     => '/applications/upload.jsf',
              'method'  => 'GET',
              'headers' => {
                'Cookie'  => "JSESSIONID=#{self.jsession}"
          Severity: Minor
          Found in lib/metasploit/framework/login_scanner/glassfish.rb and 1 other location - About 1 hr to fix
          lib/metasploit/framework/login_scanner/glassfish.rb on lines 177..190

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 47.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Identical blocks of code found in 2 locations. Consider refactoring.
          Open

                    rescue ::EOFError, Errno::ECONNRESET, Rex::ConnectionError, OpenSSL::SSL::SSLError, ::Timeout::Error => e
            result_opts.merge!(status: Metasploit::Model::Login::Status::UNABLE_TO_CONNECT, proof: e)
          end
          Severity: Minor
          Found in lib/metasploit/framework/login_scanner/glassfish.rb and 1 other location - About 15 mins to fix
          lib/metasploit/framework/login_scanner/chef_webui.rb on lines 39..41

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 25.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

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