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Class: ActionDispatch::ExceptionWrapper

Relationships & Source Files
Inherits: Object
Defined in: actionpack/lib/action_dispatch/middleware/exception_wrapper.rb

Class Attribute Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(backtrace_cleaner, exception) ⇒ ExceptionWrapper

[ GitHub ] 

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 34



def initialize(backtrace_cleaner, exception)
  @backtrace_cleaner = backtrace_cleaner
  @exception = original_exception(exception)

  expand_backtrace if exception.is_a?(SyntaxError) || exception.cause.is_a?(SyntaxError)
end


  







Class Attribute Details



  

    .rescue_responses   (rw)
    Also known as: #rescue_responses
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 8



cattr_accessor :rescue_responses, default: Hash.new(:internal_server_error).merge!(
  "ActionController::RoutingError"               => :not_found,
  "AbstractController::ActionNotFound"           => :not_found,
  "ActionController::MethodNotAllowed"           => :method_not_allowed,
  "ActionController::UnknownHttpMethod"          => :method_not_allowed,
  "ActionController::NotImplemented"             => :not_implemented,
  "ActionController::UnknownFormat"              => :not_acceptable,
  "ActionController::InvalidAuthenticityToken"   => :unprocessable_entity,
  "ActionController::InvalidCrossOriginRequest"  => :unprocessable_entity,
  "ActionDispatch::Http::Parameters::ParseError" => :bad_request,
  "ActionController::BadRequest"                 => :bad_request,
  "ActionController::ParameterMissing"           => :bad_request,
  "Rack::QueryParser::ParameterTypeError"        => :bad_request,
  "Rack::QueryParser::InvalidParameterError"     => :bad_request
)


  








  

    .rescue_templates   (rw)
    Also known as: #rescue_templates
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 24



cattr_accessor :rescue_templates, default: Hash.new("diagnostics").merge!(
  "ActionView::MissingTemplate"         => "missing_template",
  "ActionController::RoutingError"      => "routing_error",
  "AbstractController::ActionNotFound"  => "unknown_action",
  "ActiveRecord::StatementInvalid"      => "invalid_statement",
  "ActionView::Template::Error"         => "template_error"
)


  







Class Method Details



  

    .status_code_for_exception(class_name)  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 85



def self.status_code_for_exception(class_name)
  Rack::Utils.status_code(@@rescue_responses[class_name])
end


  







Instance Attribute Details



  

    #backtrace_cleaner   (readonly)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 32



attr_reader :backtrace_cleaner, :exception, :line_number, :file


  








  

    #exception   (readonly)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 32



attr_reader :backtrace_cleaner, :exception, :line_number, :file


  








  

    #file   (readonly)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 32



attr_reader :backtrace_cleaner, :exception, :line_number, :file


  








  

    #line_number   (readonly)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 32



attr_reader :backtrace_cleaner, :exception, :line_number, :file


  








  

    #rescue_responses   (rw)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 8



cattr_accessor :rescue_responses, default: Hash.new(:internal_server_error).merge!(
  "ActionController::RoutingError"               => :not_found,
  "AbstractController::ActionNotFound"           => :not_found,
  "ActionController::MethodNotAllowed"           => :method_not_allowed,
  "ActionController::UnknownHttpMethod"          => :method_not_allowed,
  "ActionController::NotImplemented"             => :not_implemented,
  "ActionController::UnknownFormat"              => :not_acceptable,
  "ActionController::InvalidAuthenticityToken"   => :unprocessable_entity,
  "ActionController::InvalidCrossOriginRequest"  => :unprocessable_entity,
  "ActionDispatch::Http::Parameters::ParseError" => :bad_request,
  "ActionController::BadRequest"                 => :bad_request,
  "ActionController::ParameterMissing"           => :bad_request,
  "Rack::QueryParser::ParameterTypeError"        => :bad_request,
  "Rack::QueryParser::InvalidParameterError"     => :bad_request
)


  








  

    #rescue_templates   (rw)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 24



cattr_accessor :rescue_templates, default: Hash.new("diagnostics").merge!(
  "ActionView::MissingTemplate"         => "missing_template",
  "ActionController::RoutingError"      => "routing_error",
  "AbstractController::ActionNotFound"  => "unknown_action",
  "ActiveRecord::StatementInvalid"      => "invalid_statement",
  "ActionView::Template::Error"         => "template_error"
)


  







Instance Method Details



  

    #application_trace  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 49



def application_trace
  clean_backtrace(:silent)
end


  








  

    #framework_trace  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 53



def framework_trace
  clean_backtrace(:noise)
end


  








  

    #full_trace  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 57



def full_trace
  clean_backtrace(:all)
end


  








  

    #rescue_template  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 41



def rescue_template
  @@rescue_templates[@exception.class.name]
end


  








  

    #source_extracts  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 89



def source_extracts
  backtrace.map do |trace|
    file, line_number = extract_file_and_line_number(trace)

    {
      code: source_fragment(file, line_number),
      line_number: line_number
    }
  end
end


  








  

    #status_code  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 45



def status_code
  self.class.status_code_for_exception(@exception.class.name)
end


  








  

    #traces  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb', line 61



def traces
  application_trace_with_ids = []
  framework_trace_with_ids = []
  full_trace_with_ids = []

  full_trace.each_with_index do |trace, idx|
    trace_with_id = { id: idx, trace: trace }

    if application_trace.include?(trace)
      application_trace_with_ids << trace_with_id
    else
      framework_trace_with_ids << trace_with_id
    end

    full_trace_with_ids << trace_with_id
  end

  {
    "Application Trace" => application_trace_with_ids,
    "Framework Trace" => framework_trace_with_ids,
    "Full Trace" => full_trace_with_ids
  }
end