Top Level Namespace

Defined Under Namespace

Modules: Gorp Classes: Fixnum, HTMLRunner, Proc, String

Constant Summary collapse

FILE_SEPARATOR = 
'\\'
DEV_NULL = 
'NUL'

Instance Method Summary collapse

Instance Method Details

#edit(filename, tag = nil, &block) ⇒ Object 



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# File 'lib/gorp/edit.rb', line 163

def edit filename, tag=nil, &block
  filename = Dir[filename].first || filename if filename.include? '*'
  $x.pre "edit #{filename.gsub('/',FILE_SEPARATOR)}", :class=>'stdin'

  stale = File.mtime(filename) rescue Time.now-2
  data = open(filename) {|file| file.read} rescue ''
  before = data.split("\n")

  begin
    data.extend Gorp::StringEditingFunctions
    data.instance_exec(data, &block) if block_given?

    # write the file, ensuring that the file timestamp changed
    while true
      open(filename,'w') {|file| file.write data}
      $lastmod = File.mtime(filename)
      break if $lastmod > stale and Time.now >= $lastmod
      sleep 0.1
    end

  rescue Exception => e
    $x.pre :class => 'traceback' do
      STDERR.puts e.inspect
      $x.text! "#{e.inspect}\n"
      e.backtrace.each {|line| $x.text! "  #{line}\n"}
    end
    tag = nil

  ensure
    log :edit, filename.gsub('/',FILE_SEPARATOR)

    include = tag.nil?
    highlight = false
    data.split("\n").each do |line|
      if line =~ /START:(\w+)/
        include = true if $1 == tag
      elsif line =~ /END:(\w+)/
        include = false if $1 == tag
      elsif line =~ /START_HIGHLIGHT/
        highlight = true
      elsif line =~ /END_HIGHLIGHT/
        highlight = false
      elsif include
        if highlight or ! before.include?(line)
          outclass='hilight'
        else
          outclass='stdout'
        end

        if line.empty?
          $x.pre ' ', :class=>outclass
        else
          $x.pre line, :class=>outclass
        end
      end
    end
  end
end

#get(path, options = {}) ⇒ Object 



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# File 'lib/gorp/net.rb', line 117

def get path, options={}
  post path, nil, options
end

#post(path, form, options = {}) ⇒ Object 



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# File 'lib/gorp/net.rb', line 121

def post path, form, options={}
  $lastmod ||= Time.now
  log :get, path unless form
  $x.pre "get #{path}", :class=>'stdin' unless options[:snapget] == false

  if path.include? ':'
    host, port, path = URI.parse(path).select(:host, :port, :path)
  else
    host, port = 'localhost', $PORT
  end

  Net::HTTP.start(host, port) do |http|
    accept = options[:accept] || 'text/html'
    accept = 'application/atom+xml' if path =~ /\.atom$/
    accept = 'application/json' if path =~ /\.json$/
    accept = 'application/xml' if path =~ /\.xml$/

    uri = URI.parse("http://#{host}:#{port}/#{path}")
    get = Net::HTTP::Get.new(path, 'Accept' => accept)
    get.basic_auth *options[:auth] if options[:auth]
    get['Cookie'] = HTTP::Cookie.cookie_value($COOKIEJAR.cookies(uri))
    response = http.request(get)
    snap response, form unless options[:snapget] == false
    update_cookies uri, response

    if form
      body = xhtmlparse(response.body).at('//body') rescue nil
      body = xhtmlparse(response.body).root unless body rescue nil
      return unless body
      xforms = body.search('//form')

      # find matching button by action
      xform = xforms.find do |element|
        next unless element['action'].include?('?')
        query = CGI.parse(URI.parse(element['action']).query)
        query.all? {|key,values| values.include?(form[key].to_s)}
      end

      # find matching button by input names
      xform ||= xforms.find do |element|
        form.all? do |name, value| 
          element.search('.//input | .//textarea | ..//select').any? do |input|
            input['name']==name.to_s
          end
        end
      end

      # find matching submit button
      xform ||= xforms.find do |element|
        form.all? do |name, value| 
          element.search('.//input[@type="submit"]').any? do |input|
            input['value']==form['submit']
          end
        end
      end

      # match based on action itself
      xform ||= xforms.find do |element|
        action=CGI.unescape(element['action'])
        form.all? {|name, value| action.include? "#{name}=#{value}"}
      end

      # look for a commit button
      xform ||= xforms.find {|element| element.at('.//input[@name="commit"]')}

      return unless xform

      path = xform['action'] unless xform['action'].empty?
      path = CGI::unescapeHTML(path)
      $x.pre "post #{path}", :class=>'stdin'

      $x.ul do
        form.each do |name, value|
          $x.li "#{name} => #{value}" unless $CookieDebug
        end

        xform.search('.//input[@type="hidden"]').each do |element|
          if $CookieDebug
            $x.li "#{element['name']} => #{element['value']}"
          end
          form[element['name']] ||= element['value']
        end

        if $CookieDebug
          uri = URI.parse("http://#{host}:#{port}/#{path}")
          $COOKIEJAR.cookies(uri).each do |cookie|
            $x.li do
              $x.b {$x.em '[cookie]'}
              $x.text! cookie.to_s
            end
          end
        end
      end

      log :post, path
      uri = URI.parse("http://#{host}:#{port}/#{path}")
      post = Net::HTTP::Post.new(path)
      post.set_form_data form
      post['Content-Type'] = 'application/x-www-form-urlencoded'
      post['Cookie'] = HTTP::Cookie.cookie_value($COOKIEJAR.cookies(uri))
      response=http.request(post)
      snap response
      update_cookies uri, response
    end

    if response.code == '302'
      path = response['Location']
      uri = URI.parse("http://#{host}:#{port}/#{path}")
      $x.pre "get #{path}", :class=>'stdin'
      get = Net::HTTP::Get.new(path, 'Accept' => accept)
      get['Cookie'] = HTTP::Cookie.cookie_value($COOKIEJAR.cookies(uri))
      response = http.request(get)
      snap response
      update_cookies uri, response
    end
  end
rescue Timeout::Error
  Gorp::Commands.stop_server(false, 9)
ensure 
  while true
    open('tmp/lastmod', 'w') {|file| file.write 'data'}
    break if File.mtime('tmp/lastmod') > $lastmod
    sleep 0.1
  end
  File.unlink('tmp/lastmod')
end

#read(name) ⇒ Object 



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# File 'lib/gorp/edit.rb', line 222

def read name
  open(File.join($DATA, name)) {|file| file.read}
end

#snap(response, form = nil) ⇒ Object 



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# File 'lib/gorp/net.rb', line 25

def snap response, form=nil
  if response.code >= '400'
    $x.p "HTTP Response Code: #{response.code}", :class => 'traceback'
  end

  if response.content_type == 'text/plain' or response.content_type =~ /xml/
    $x.div :class => 'body' do
      response.body.split("\n").each do |line| 
        $x.pre line.chomp, :class=>'stdout'
      end
    end
    return
  end

  if response.body =~ /<body/
    body = response.body
  elsif response.body =~ /<BODY/
    body = response.body.gsub(/<\/?\w+/) {|tag| tag.downcase}
    body.gsub! '<hr>', '<hr/>'
  else
    body = "<body>#{response.body}</body>"
  end

  begin
    doc = xhtmlparse(body)
  rescue
    body.split("\n").each {|line| $x.pre line.chomp, :class=>'hilight'}
    raise
  end

  title = doc.at('html/head/title').text rescue ''
  body = doc.at('//body')
  doc.search('//link[@rel="stylesheet"]').each do |sheet|
    body.children.first.add_previous_sibling(sheet)
  end

  # ensure that textareas don't use the self-closing syntax
  body.search('//textarea').each do |element|
    element.content=''
  end

  if form
    body.search('//input[@name]').each do |input|
      input['value'] ||= form[input['name']].to_s
    end
    body.search('//textarea[@name]').each do |textarea|
      textarea.content = form[textarea['name']].to_s if textarea.text.empty?
    end
  end

  %w{ a[@href] form[@action] }.each do |xpath|
    name = xpath[/@(\w+)/,1]
    body.search("//#{xpath}").each do |element|
      if element[name] =~ /^http:\/\//
        element[name] = element[name].sub('127.0.0.1', 'localhost')
      else
        element[name]=URI.join("http://localhost:#{$PORT}/", element[name]).to_s
      end
    end
  end

  %w{ img[@src] }.each do |xpath|
    name = xpath[/@(\w+)/,1]
    body.search("//#{xpath}").each do |element|
      if element[name][0] == ?/
        element[name] = 'data' + element[name]
      end
    end
  end

  attrs = {:class => 'body', :title => title}
  attrs[:class] = 'traceback' if response.code == '500'
  attrs[:id] = body['id'] if body['id']
  attrs[:class] += ' ' +body['class'] if body['class']
  $x.div(attrs) do
    html_voids = %w(area base br col command embed hr img input keygen link
                    meta param source)

    body.children.each do |child|
      next if child.instance_of?(Comment)
      child.search("//*").each do |element|
        next if html_voids.include? element.name
        if element.children.empty? and element.text.empty?
          element.add_child(Nokogiri::XML::Text.new('', element.document))
        end
      end
      $x << child.to_xml
    end
  end
  $x.div '', :style => "clear: both"
end

#update_cookies(uri, response) ⇒ Object 



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# File 'lib/gorp/net.rb', line 8

def update_cookies(uri, response)
  fields = response.get_fields('Set-Cookie')
  return unless fields
  fields.each {|value| $COOKIEJAR.parse(value, uri)}

  if $CookieDebug
    $x.ul do
      fields.each do |value|
        $x.li do
          $x.b {$x.em '[cookie]'}
          $x.text! value.to_s
        end
      end
    end
  end
end