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-rw-r--r--actionpack/lib/action_dispatch/middleware/exception_wrapper.rb27
1 files changed, 24 insertions, 3 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb b/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb
index ae38c56a67..7489ce8028 100644
--- a/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb
+++ b/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb
@@ -1,5 +1,4 @@
require 'action_controller/metal/exceptions'
-require 'active_support/core_ext/exception'
require 'active_support/core_ext/class/attribute_accessors'
module ActionDispatch
@@ -13,7 +12,8 @@ module ActionDispatch
'ActionController::NotImplemented' => :not_implemented,
'ActionController::UnknownFormat' => :not_acceptable,
'ActionController::InvalidAuthenticityToken' => :unprocessable_entity,
- 'ActionController::BadRequest' => :bad_request
+ 'ActionController::BadRequest' => :bad_request,
+ 'ActionController::ParameterMissing' => :bad_request
)
cattr_accessor :rescue_templates
@@ -25,7 +25,7 @@ module ActionDispatch
'ActionView::Template::Error' => 'template_error'
)
- attr_reader :env, :exception
+ attr_reader :env, :exception, :line_number, :file
def initialize(env, exception)
@env = env
@@ -56,6 +56,15 @@ module ActionDispatch
Rack::Utils.status_code(@@rescue_responses[class_name])
end
+ def source_extract
+ if application_trace && trace = application_trace.first
+ file, line, _ = trace.split(":")
+ @file = file
+ @line_number = line.to_i
+ source_fragment(@file, @line_number)
+ end
+ end
+
private
def original_exception(exception)
@@ -81,5 +90,17 @@ module ActionDispatch
def backtrace_cleaner
@backtrace_cleaner ||= @env['action_dispatch.backtrace_cleaner']
end
+
+ def source_fragment(path, line)
+ return unless Rails.respond_to?(:root) && Rails.root
+ full_path = Rails.root.join(path)
+ if File.exists?(full_path)
+ File.open(full_path, "r") do |file|
+ start = [line - 3, 0].max
+ lines = file.each_line.drop(start).take(6)
+ Hash[*(start+1..(lines.count+start)).zip(lines).flatten]
+ end
+ end
+ end
end
end