Class: Mechanize::Chain::HeaderResolver

Inherits:
Object
  • Object
show all
Includes:
Handler
Defined in:
lib/mechanize/chain/header_resolver.rb

Instance Attribute Summary

Attributes included from Handler

#chain

Instance Method Summary collapse

Constructor Details

#initialize(keep_alive, keep_alive_time, cookie_jar, user_agent, gzip_enabled, headers) ⇒ HeaderResolver

Returns a new instance of HeaderResolver.



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# File 'lib/mechanize/chain/header_resolver.rb', line 5

def initialize(keep_alive, keep_alive_time, cookie_jar, user_agent,
               gzip_enabled, headers)
  @keep_alive = keep_alive
  @keep_alive_time = keep_alive_time
  @cookie_jar = cookie_jar
  @user_agent = user_agent
  @gzip_enabled = gzip_enabled
  @headers = headers
end

Instance Method Details

#handle(ctx, params) ⇒ Object 



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# File 'lib/mechanize/chain/header_resolver.rb', line 15

def handle(ctx, params)
  uri = params[:uri]
  referer = params[:referer]
  request = params[:request]

  if @keep_alive
    request['Connection'] = 'keep-alive'
    request['Keep-Alive'] = @keep_alive_time.to_s
  else
    request['Connection'] = 'close'
  end
  if @gzip_enabled
    request['Accept-Encoding'] = 'gzip,identity'
  else
    request['Accept-Encoding'] = 'identity'
  end
  request['Accept-Language'] = 'en-us,en;q=0.5'
  host = "#{uri.host}#{[80, 443].include?(uri.port.to_i) ? '' : ':' + uri.port.to_s}"
  request['Host'] = host
  request['Accept-Charset'] = 'ISO-8859-1,utf-8;q=0.7,*;q=0.7'

  unless @cookie_jar.empty?(uri)
    cookies = @cookie_jar.cookies(uri)
    cookie = cookies.length > 0 ? cookies.join("; ") : nil
    request.add_field('Cookie', cookie)
  end

  # Add Referer header to request
  if referer && referer.uri
    request['Referer'] = referer.uri.to_s
  end

  # Add User-Agent header to request
  request['User-Agent'] = @user_agent if @user_agent

  @headers.each do |k,v|
    request[k] = v
  end if request
  super
end