Class: HocusPocus::Middleware

Inherits:
Object
  • Object
show all
Includes:
MiddlewareUtil
Defined in:
lib/hocus_pocus/middleware.rb

Instance Method Summary collapse

Methods included from MiddlewareUtil

#insert_text

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



7
8
9
 
# File 'lib/hocus_pocus/middleware.rb', line 7

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/hocus_pocus/middleware.rb', line 11

def call(env)
  status, headers, body = @app.call env

  if headers && headers['Content-Type']&.include?('text/html') && (env['REQUEST_PATH'] !~ %r[^/*hocus_pocus/])
    case body
    when ActionDispatch::Response, ActionDispatch::Response::RackBody
      body = body.body
    when Array
      body = body[0]
    end

    body.sub!(/<\/body>/i) { %Q[<div id="#{HocusPocus::CONTAINER}" style="position:absolute; top:0; right: 0;"><link href="/assets/recorder.css" media="all" rel="stylesheet" type="text/css"></div>#{$~}] }

    [status, headers, [body]]
  else
    [status, headers, body]
  end
end