Class: Sinatra::ShowExceptions

Inherits:
Rack::ShowExceptions
  • Object
show all
Defined in:
lib/sinatra/show_exceptions.rb

Overview

Sinatra::ShowExceptions catches all exceptions raised from the app it wraps. It shows a useful backtrace with the sourcefile and clickable context, the whole Rack environment and the request data.

Be careful when you use this on public-facing sites as it could reveal information helpful to attackers.

Constant Summary collapse

@@eats_errors = 
Object.new

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ ShowExceptions

Returns a new instance of ShowExceptions.



17
18
19
 
# File 'lib/sinatra/show_exceptions.rb', line 17

def initialize(app)
  @app = app
end

Class Method Details

.flush ⇒ Object 



14
 
# File 'lib/sinatra/show_exceptions.rb', line 14

def @@eats_errors.flush(*) end

.puts ⇒ Object 



15
 
# File 'lib/sinatra/show_exceptions.rb', line 15

def @@eats_errors.puts(*) end

Instance Method Details

#call(env) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/sinatra/show_exceptions.rb', line 21

def call(env)
  @app.call(env)
rescue Exception => e
  errors, env["rack.errors"] = env["rack.errors"], @@eats_errors

  if prefers_plain_text?(env)
    content_type = "text/plain"
    body = dump_exception(e)
  else
    content_type = "text/html"
    body = pretty(env, e)
  end

  env["rack.errors"] = errors

  [
    500,
    {
      "Content-Type" => content_type,
      "Content-Length" => body.bytesize.to_s
    },
    [body]
  ]
end

#template ⇒ Object 



46
47
48
 
# File 'lib/sinatra/show_exceptions.rb', line 46

def template
  TEMPLATE
end