Class: Horseman::Browser::Browser

Inherits:
Object
  • Object
show all
Defined in:
lib/horseman/browser.rb

Constant Summary collapse

MaxRedirects = 
10

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(connection, js_engine, base_url = '', options = {}) ⇒ Browser

Returns a new instance of Browser.



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# File 'lib/horseman/browser.rb', line 22

def initialize(connection, js_engine, base_url='', options={})
  @connection = connection
  @js_engine = js_engine
  @base_url = base_url
  @cookies = Cookies.new
  @multipart_boundary = "----HorsemanBoundary#{SecureRandom.hex(8)}"

  @verbose = options[:verbose] || false
  @enable_js = options[:enable_js] || false
end

Instance Attribute Details

#base_url ⇒ Object

Returns the value of attribute base_url.



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# File 'lib/horseman/browser.rb', line 18

def base_url
  @base_url
end

#connection ⇒ Object (readonly)

Returns the value of attribute connection.



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# File 'lib/horseman/browser.rb', line 19

def connection
  @connection
end

#cookies ⇒ Object (readonly)

Returns the value of attribute cookies.



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# File 'lib/horseman/browser.rb', line 20

def cookies
  @cookies
end

#js_engine ⇒ Object (readonly)

Returns the value of attribute js_engine.



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# File 'lib/horseman/browser.rb', line 19

def js_engine
  @js_engine
end

#last_action ⇒ Object (readonly)

Returns the value of attribute last_action.



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# File 'lib/horseman/browser.rb', line 20

def last_action
  @last_action
end

#multipart_boundary ⇒ Object (readonly)

Returns the value of attribute multipart_boundary.



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# File 'lib/horseman/browser.rb', line 20

def multipart_boundary
  @multipart_boundary
end

Instance Method Details

#clear_session ⇒ Object 



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# File 'lib/horseman/browser.rb', line 33

def clear_session
  @cookies.clear
end

#get!(path = '/', options = {}) ⇒ Object 



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# File 'lib/horseman/browser.rb', line 37

def get!(path = '/', options = {})
  url = options[:no_base_url] ? path : "#{@base_url}#{path}"
  request = @connection.build_request(:url => url, :verb => :get)
  redirects = options[:redirects] || 0

  puts "GET: #{path}" if @verbose
  exec(request, redirects)
end

#post!(path = '/', options = {}) ⇒ Object 



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# File 'lib/horseman/browser.rb', line 46

def post!(path = '/', options = {})
  get! path
  
  form = options[:form] || :form
  data = options[:data] || {}
  unchecked = options[:unchecked] || []
  
  selected_form = @last_action.response.document.forms[form]
  raise "Could not find form #{form}" if selected_form.nil?

  selected_form.fields.each do |name, field|
    data[name] ||= field.value unless unchecked.include? name
  end
  request_body = build_request_body(data, selected_form.encoding)
  
  if is_absolute_url?(selected_form.action)
    # Absolute action http://www.example.com/action
    url = selected_form.action
  elsif selected_form.action == ''
    # No action, post to same URL as GET request
    url = "#{@last_action.url}"
  else
    # Relative action, use relative root from last action
    url = "#{@last_action.relative_root}#{selected_form.action}"
  end
  
  request = @connection.build_request(:url => "#{url}", :verb => :post, :body => request_body)
  request['Content-Type'] = case selected_form.encoding
                            when :multipart
                              "multipart/form-data; boundary=#{@multipart_boundary}"
                            else
                              "application/x-www-form-urlencoded"
                            end
  request['Referer'] = @last_action.url 
  
  puts "POST: #{path}" if @verbose
  exec request
end