Class: Tap::Mechanize::Capture

Inherits:
Controller
  • Object
show all
Includes:
Utils, Ubiquity::Utils
Defined in:
lib/tap/mechanize/capture.rb

Overview

:startdoc::controller :startdoc::ubiquity

Constant Summary collapse

PREFIX = 
'__redirect_http_'
REDIRECT_PARAMETER = 
'__redirect_http_original_action'

Constants included from Utils

Utils::EOL

Instance Method Summary collapse

Methods included from Utils

each_member, headerize, parse_http_request, parse_multipart, parse_rack_request, parse_webrick_request, splat

Instance Method Details

#create(id, keep_content = true) ⇒ Object 



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# File 'lib/tap/mechanize/capture.rb', line 21

def create(id, keep_content=true)
  persistence.create(id) do |io|
    io << YAML.dump([parse_request(keep_content)])
  end
  download(id)
end

#destroy(id) ⇒ Object 



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# File 'lib/tap/mechanize/capture.rb', line 54

def destroy(id)
  persistence.destroy(id)
  redirect uri(:index)
end

#download(id) ⇒ Object 



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# File 'lib/tap/mechanize/capture.rb', line 33

def download(id)
  path = persistence.path(id)
  filename = id
  filename += ".yml" if File.extname(id) == ""
  
  response['Content-Type'] = "text/plain"
  response['Content-Disposition'] = "attachment; filename=#{filename};"
  persistence.read(id)
end

#http ⇒ Object

Parses HTTP request



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# File 'lib/tap/mechanize/capture.rb', line 112

def http
  if request.get?
    render 'http.erb'
  else
    keep_content = request.params['keep_content'] == "true"
    
    hash = {}
    parse_http_request(request.params['http'], keep_content).each_pair do |key, value| 
      hash[key.to_s] = value
    end
    
    # remove extranous data
    hash.delete('headers')
    hash.delete('version')
    
    response['Content-Type'] = "text/plain"
    YAML.dump(hash)
  end
end

#index ⇒ Object

Brings up the tutorial.



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# File 'lib/tap/mechanize/capture.rb', line 17

def index
  render 'index.erb', :locals => {:captures => persistence.index }
end

#redirect_http ⇒ Object

Returns the redirection script.



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# File 'lib/tap/mechanize/capture.rb', line 77

def redirect_http
  css = render 'redirect.css'
  script = render 'redirect.js', :locals => {
    :redirect_parameter => REDIRECT_PARAMETER,
    :redirect_action => uri(:update),
  }
  
  content = render 'redirect_http.erb', :locals => {
    :css => css,
    :script => script
  }
  
  if request.get?
    response['Content-Type'] = 'text/plain'
    %Q{
<div id="#{prefix}">
#{content}
</div>}
  else
    response['Content-Type'] = 'text/javascript'
  %Q{
if(current = document.getElementById("#{prefix}")) {
  RedirectHttp.revert();
} else {
  var div = document.createElement("div");
  div.id = "#{prefix}";
  div.innerHTML = #{content.to_json};
  document.body.insertBefore(div, document.body.firstChild);
  RedirectHttp.redirect();
}
}
  end
end

#say ⇒ Object

Say is the target of the tutorial.



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# File 'lib/tap/mechanize/capture.rb', line 72

def say
  "<pre>#{request.params['words']}</pre>"
end

#show(id) ⇒ Object 



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# File 'lib/tap/mechanize/capture.rb', line 28

def show(id)
  response['Content-Type'] = "text/plain"
  persistence.read(id)
end

#test ⇒ Object 



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# File 'lib/tap/mechanize/capture.rb', line 67

def test
  render 'test.erb'
end

#tutorial ⇒ Object

Brings up a tutorial teaching how to capture and resubmit forms.



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# File 'lib/tap/mechanize/capture.rb', line 60

def tutorial
  serve js_injection(:redirect_http) do |link|
    content = render 'tutorial.erb'
    content + link
  end
end

#update(id = "request", keep_content = true) ⇒ Object 



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# File 'lib/tap/mechanize/capture.rb', line 43

def update(id="request", keep_content=true)
  path = persistence.path(id)
  requests = File.exists?(path) ? YAML.load_file(path) : []
  requests << parse_request(keep_content)
  
  persistence.update(id) do |io|
    io << YAML.dump(requests)
  end
  download(id)
end