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# File 'lib/scrubyt/core/navigation/agents/mechanize.rb', line 15
def self.included(base)
base.module_eval do
@@agent = WWW::Mechanize.new
@@agent.user_agent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.1) Gecko/20061204 Firefox/2.0.0.1"
@@current_doc_url = nil
@@current_doc_protocol = nil
@@base_dir = nil
@@host_name = nil
@@history = []
def self.fetch(doc_url, *args)
if args.size > 0
mechanize_doc = args[0][:mechanize_doc]
html = args[0][:html]
resolve = args[0][:resolve]
basic_auth = args[0][:basic_auth]
parse_and_set_basic_auth(basic_auth) if basic_auth
proxy = args[0][:proxy]
parse_and_set_proxy(proxy) if proxy
if html
@@current_doc_protocol = 'string'
mechanize_doc = page = WWW::Mechanize::Page.new(nil, {'content-type' => 'text/html'}, html)
end
else
mechanize_doc = nil
resolve = :full
end
@@current_doc_url = doc_url
@@current_doc_protocol = determine_protocol
if mechanize_doc.nil? && @@current_doc_protocol != 'file'
handle_relative_path(doc_url)
handle_relative_url(doc_url, resolve)
Scrubyt.log :ACTION, "fetching document: #{@@current_doc_url}"
unless 'file' == @@current_doc_protocol
@@mechanize_doc = @@agent.get(@@current_doc_url)
end
else
@@mechanize_doc = mechanize_doc
end
if @@current_doc_protocol == 'file'
@@hpricot_doc = Hpricot(PreFilterDocument.br_to_newline(open(@@current_doc_url).read))
else
@@hpricot_doc = Hpricot(PreFilterDocument.br_to_newline(@@mechanize_doc.body))
store_host_name(self.get_current_doc_url) end
end
def self.submit(index=nil, sleep_time=nil, type=nil)
Scrubyt.log :ACTION, 'Submitting form...'
if index == nil
result_page = process_submit(@@current_form)
elsif index.class == String && !type.nil?
button = @@current_form.buttons.detect{|b| b.name == index or b.value == index}
result_page = process_submit(@@current_form, button,type)
else
result_page = @@agent.submit(@@current_form, @@current_form.buttons[index])
end
@@current_doc_url = result_page.uri.to_s
Scrubyt.log :ACTION, "Fetching #{@@current_doc_url}"
fetch(@@current_doc_url, :mechanize_doc => result_page)
end
def self.click_link(link_spec,index = 0,wait_secs=0)
Scrubyt.log :ACTION, "Clicking link specified by: %p" % link_spec
if link_spec.is_a? Hash
clicked_elem = CompoundExampleLookup.find_node_from_compund_example(@@hpricot_doc, link_spec, false, index)
else
clicked_elem = SimpleExampleLookup.find_node_from_text(@@hpricot_doc, link_spec, false, index)
end
clicked_elem = XPathUtils.find_nearest_node_with_attribute(clicked_elem, 'href')
result_page = @@agent.click(clicked_elem)
@@current_doc_url = result_page.uri.to_s
Scrubyt.log :ACTION, "Fetching #{@@current_doc_url}"
fetch(@@current_doc_url, :mechanize_doc => result_page)
end
def self.click_image_map(index = 0)
Scrubyt.log :ACTION, "Clicking image map at index: %p" % index
uri = @@mechanize_doc.search("//area")[index]['href']
result_page = @@agent.get(uri)
@@current_doc_url = result_page.uri.to_s
Scrubyt.log :ACTION, "Fetching #{@@current_doc_url}"
fetch(@@current_doc_url, :mechanize_doc => result_page)
end
def self.store_host_name(doc_url)
@@host_name = 'http://' + @@mechanize_doc.uri.to_s.match(%r{http://(.+?)/+})[0] if @@current_doc_protocol == 'http'
@@host_name = 'https://' + @@mechanize_doc.uri.to_s.match(%r{https://(.+?)/+})[0] if @@current_doc_protocol == 'https'
@@host_name = doc_url if @@host_name == nil
@@host_name = @@host_name[0..-2] if @@host_name[-1].chr == '/'
@@original_host_name ||= @@host_name
end
def self.parse_and_set_proxy(proxy)
@@proxy_user = @@proxy_pass = nil
if proxy.downcase.include?('localhost')
@@host = 'localhost'
@@port = proxy.split(':').last
else
parts = proxy.split(':')
if (parts.size > 2)
user_pass = parts[1].split('@')
@@proxy_user = parts[0]
@@proxy_pass = user_pass[0]
@@host = user_pass[1]
@@port = parts[2]
else
if (parts[0].include?('@'))
user_host = parts[0].split('@')
@@proxy_user = user_host[0]
@@host = user_host[1]
@@port = parts[1]
else
@@host = parts[0]
@@port = parts[1]
end
end
if (@@host == nil || @@port == nil) puts "Invalid proxy specification..."
puts "neither host nor port can be nil!"
exit
end
end
Scrubyt.log :ACTION, "[ACTION] Setting proxy: host=<#{@@host}>, port=<#{@@port}>, username=<#{@@proxy_user}>, password=<#{@@proxy_pass}>"
@@agent.set_proxy(@@host, @@port, @@proxy_user, @@proxy_pass)
end
def self.determine_protocol
old_protocol = @@current_doc_protocol
new_protocol = case @@current_doc_url
when /^https/
'https'
when /^http/
'http'
when /^www/
'http'
else
'file'
end
return 'http' if ((old_protocol == 'http') && new_protocol == 'file')
return 'https' if ((old_protocol == 'https') && new_protocol == 'file')
new_protocol
end
def self.handle_relative_path(doc_url)
if @@base_dir == nil
@@base_dir = doc_url.scan(/.+\//)[0] if @@current_doc_protocol == 'file'
else
@@current_doc_url = ((@@base_dir + doc_url) if doc_url !~ /#{@@base_dir}/)
end
end
def self.handle_relative_url(doc_url, resolve)
return if doc_url =~ /^http/
if doc_url !~ /^\//
first_char = doc_url[0..0]
doc_url = ( first_char == '?' ? '' : '/' ) + doc_url
if first_char == '?' current_uri = @@mechanize_doc.uri.to_s
current_uri = @@agent.history.first.uri.to_s if current_uri =~ /\/popup\//
if (current_uri.include? '?')
current_uri = current_uri.scan(/.+\//)[0]
else
current_uri += '/' unless current_uri[-1..-1] == '/'
end
@@current_doc_url = current_uri + doc_url
return
end
end
case resolve
when :full
@@current_doc_url = (@@host_name + doc_url) if ( @@host_name != nil && (doc_url !~ /#{@@host_name}/))
@@current_doc_url = @@current_doc_url.split('/').uniq.join('/')
when :host
base_host_name = (@@host_name.count("/") == 2 ? @@host_name : @@host_name.scan(/(http.+?\/\/.+?)\//)[0][0])
@@current_doc_url = base_host_name + doc_url
else
@@current_doc_url = resolve + doc_url
end
end
def self.fill_textfield(textfield_name, query_string, *unused)
lookup_form_for_tag('input','textfield',textfield_name,query_string)
if(@@current_form)
eval("@@current_form['#{textfield_name}'] = '#{query_string}'")
else
Scrubyt.log :ERROR, "Couldn't find the form that contains this textfield. Please report a bug!"
end
end
def self.fill_textarea(textarea_name, text)
lookup_form_for_tag('textarea','textarea',textarea_name,text)
eval("@@current_form['#{textarea_name}'] = '#{text}'")
end
def self.select_option(selectlist_name, option)
lookup_form_for_tag('select','select list',selectlist_name,option)
select_list = @@current_form.fields.find {|f| f.name == selectlist_name}
searched_option = select_list.options.find{|f| f.text.strip == option}
searched_option.click
end
def self.check_checkbox(checkbox_name)
lookup_form_for_tag('input','checkbox',checkbox_name, '')
checkbox = @@current_form.checkboxes.find {|c| c.name == checkbox_name}
checkbox.check
end
def self.check_radiobutton(checkbox_name, index=0)
lookup_form_for_tag('input','radiobutton',checkbox_name, '',index)
@@current_form.radiobuttons.name(checkbox_name)[index].check
end
def self.process_submit(current_form, button=nil, type=nil)
if button == nil
result_page = @@agent.submit(current_form)
elsif type
result_page = current_form.submit(button)
else
result_page = @@agent.submit(current_form, button)
end
result_page
end
def self.lookup_form_for_tag(tag, widget_name, name_attribute, query_string, index=0)
Scrubyt.log :ACTION, "typing #{query_string} into the #{widget_name} named '#{name_attribute}'"
widget = (FetchAction.get_hpricot_doc/"#{tag}[@name=#{name_attribute}]").map()[index]
form_tag = Scrubyt::XPathUtils.traverse_up_until_name(widget, 'form')
puts "=" * 100
puts ">>#{Scrubyt::XPathUtils.generate_XPath(form_tag, nil, true)}<<"
puts "=" * 100
xp = Scrubyt::XPathUtils.generate_XPath(form_tag, nil, true)
form_element = FetchAction.get_mechanize_doc/xp
FetchAction.get_mechanize_doc.forms.each do |f|
@@current_form = f
break if f.form_node == form_element
end
end
def self.find_form_based_on_tag(tag, possible_attrs)
lookup_attribute_name = nil
lookup_attribute_value = nil
possible_attrs.each { |a|
lookup_attribute_name = a
lookup_attribute_value = tag.attributes[a]
break if lookup_attribute_value != nil
}
i = 0
loop do
@@current_form = FetchAction.get_mechanize_doc.forms[i]
return nil if @@current_form == nil
break if @@current_form.form_node.attributes[lookup_attribute_name].to_s == lookup_attribute_value
i+= 1
end
end
end
end
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