Module: Spider::ControllerMixins::StaticContent

Includes:
Spider::ControllerMixin, HTTPMixin
Defined in:
lib/spiderfw/controller/mixins/static_content.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Methods included from HTTPMixin

#base_url, #before, #challenge_basic_auth, #challenge_digest_auth, #check_basic_auth, #check_digest_auth, #content_type, #digest_instance_key, #http_auth_realm, #http_auth_realm=, output_charset, #redirect, #request_full_url, #request_path, #request_url, reverse_proxy_mapping, #try_rescue

Methods included from Spider::ControllerMixin

extend_recipient

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/spiderfw/controller/mixins/static_content.rb', line 11

def self.included(klass)
    super
    klass.route('public/', :serve_static, :do => lambda{ @serving_static = true })
    klass.route('w/', :serve_widget_static, :do => lambda{ @serving_static = true })
    if (klass < Visual)
        klass.no_layout('public')
        klass.no_layout('serve_static')
    end
end

Instance Method Details

#output_static(full_path, file_name = nil) ⇒ Object

Raises:



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# File 'lib/spiderfw/controller/mixins/static_content.rb', line 72

def output_static(full_path, file_name=nil)
    file_name ||= File.basename(full_path)
    @request.misc[:is_static] = true
    debug("Serving asset: #{full_path}")
    begin
        while File.symlink?(full_path)
            full_path = File.readlink(full_path)
        end
    rescue NotImplemented
    end
    mode = Spider.conf.get('static_content.mode')
    raise Spider::Controller::NotFound.new(full_path) unless File.exist?(full_path)
    stat = File.lstat(full_path)
    mtime = stat.mtime
    now = Time.now
    if @request.env['HTTP_IF_MODIFIED_SINCE'] && !@request.cache_control[:no_cache]
        if_modified = nil
        begin
          if_modified = Time.httpdate(@request.env['HTTP_IF_MODIFIED_SINCE'])
        rescue ArgumentError # Passenger with IE6 has this header wrong
          if_modified = 0
        end
        max_age = nil
        fresh = true
        if fresh && mtime <= if_modified
            debug("Not modified since #{if_modified}: #{full_path}")
            #@response.status = Spider::HTTP::NOT_MODIFIED
            @response.headers.delete("Content-Type")
            @response.headers['Date'] = mtime.httpdate
            @response.no_cookies
            raise HTTPStatus.new(Spider::HTTP::NOT_MODIFIED) 
            return
        end
    end
    if File.directory?(full_path)
        ct = "httpd/unix-directory"
    else
        ct = MIME::Types.type_for(file_name)
        ct = ct.first if ct.is_a?(Array)
        ct = ct.to_s if ct
        ct ||= "application/octet-stream"
    end
    @response.headers['Content-Type'] = ct
    @response.headers['Content-Length'] = stat.size
    @response.headers['Last-Modified'] = mtime.httpdate
    
    if mode == 'x-sendfile'
        @response.headers['X-Sendfile'] = full_path
    elsif mode == 'x-accel-redirect'
        @response.headers['X-Accel-Redirect'] = full_path
    else
        f = File.open(full_path, 'r')
        while (block = f.read(1024)) do
            $out << block
        end
    end
end

#prepare_scene(scene) ⇒ Object 



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# File 'lib/spiderfw/controller/mixins/static_content.rb', line 130

def prepare_scene(scene)
    scene = super
    scene.controller[:pub_url] = pub_url
    return scene
end

#pub_path ⇒ Object 



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# File 'lib/spiderfw/controller/mixins/static_content.rb', line 38

def pub_path
    self.class.pub_path
end

#pub_url ⇒ Object 



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# File 'lib/spiderfw/controller/mixins/static_content.rb', line 42

def pub_url
    self.class.pub_url
end

#sanitize_path(path) ⇒ Object 



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# File 'lib/spiderfw/controller/mixins/static_content.rb', line 46

def sanitize_path(path)
    return path.gsub('..', '')
end

#serve_static(path = nil) ⇒ Object

Raises:



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# File 'lib/spiderfw/controller/mixins/static_content.rb', line 50

def serve_static(path=nil)
    path += ".#{@request.format}" if @request.format
    raise Spider::Controller::NotFound.new(path) unless path
    path = sanitize_path(path)
    mode = Spider.conf.get('static_content.mode')
    if mode == 'publish' && self.class != Spider::HomeController
        url = self.pub_url
        url += "/"+path
        return redirect(url)
    end
    full_path = pub_path+'/'+path
    output_static(full_path)
end

#serve_widget_static(path) ⇒ Object

Raises:



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# File 'lib/spiderfw/controller/mixins/static_content.rb', line 64

def serve_widget_static(path)
    path = sanitize_path(path)
    parts = path.split('/public/', 2)
    raise Spider::Controller::NotFound.new(path) unless parts[1]
    full_path = self.class.app.widgets_path+'/'+parts[0]+'/public/'+parts[1]
    output_static(full_path)
end

#serving_static?(action = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spiderfw/controller/mixins/static_content.rb', line 136

def serving_static?(action=nil)
    return @serving_static if @serving_static || !action
    n = dispatch_next(action)
    n && n.action == "serve_static"
end