Class: FakeS3::Servlet

Inherits:
WEBrick::HTTPServlet::AbstractServlet
  • Object
show all
Defined in:
lib/fakes3/server.rb

Instance Method Summary collapse

Constructor Details

#initialize(server, store, hostname) ⇒ Servlet

Returns a new instance of Servlet.



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# File 'lib/fakes3/server.rb', line 45

def initialize(server,store,hostname)
  super(server)
  @store = store
  @hostname = hostname
  @port = server.config[:Port]
  @root_hostnames = [hostname,'localhost','s3.amazonaws.com','s3.localhost']
end

Instance Method Details

#do_DELETE(request, response) ⇒ Object 



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# File 'lib/fakes3/server.rb', line 227

def do_DELETE(request,response)
  s_req = normalize_request(request)

  case s_req.type
  when Request::DELETE_OBJECT
    bucket_obj = @store.get_bucket(s_req.bucket)
    @store.delete_object(bucket_obj,s_req.object,s_req.webrick_request)
  when Request::DELETE_BUCKET
    @store.delete_bucket(s_req.bucket)
  end

  response.status = 204
  response.body = ""
end

#do_GET(request, response) ⇒ Object 



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# File 'lib/fakes3/server.rb', line 60

def do_GET(request, response)
  s_req = normalize_request(request)

  case s_req.type
  when 'LIST_BUCKETS'
    response.status = 200
    response['Content-Type'] = 'application/xml'
    buckets = @store.buckets
    response.body = XmlAdapter.buckets(buckets)
  when 'LS_BUCKET'
    bucket_obj = @store.get_bucket(s_req.bucket)
    if bucket_obj
      response.status = 200
      response['Content-Type'] = "application/xml"
      query = {
        :marker => s_req.query["marker"] ? s_req.query["marker"].to_s : nil,
        :prefix => s_req.query["prefix"] ? s_req.query["prefix"].to_s : nil,
        :max_keys => s_req.query["max_keys"] ? s_req.query["max_keys"].to_s : nil,
        :delimiter => s_req.query["delimiter"] ? s_req.query["delimiter"].to_s : nil
      }
      bq = bucket_obj.query_for_range(query)
      response.body = XmlAdapter.bucket_query(bq)
    else
      response.status = 404
      response.body = XmlAdapter.error_no_such_bucket(s_req.bucket)
      response['Content-Type'] = "application/xml"
    end
  when 'GET_ACL'
    response.status = 200
    response.body = XmlAdapter.acl()
    response['Content-Type'] = 'application/xml'
  when 'GET'
    real_obj = @store.get_object(s_req.bucket,s_req.object,request)
    if !real_obj
      response.status = 404
      response.body = XmlAdapter.error_no_such_key(s_req.object)
      response['Content-Type'] = "application/xml"
      return
    end

    if_none_match = request["If-None-Match"]
    if if_none_match == "\"#{real_obj.md5}\"" or if_none_match == "*"
      response.status = 304
      return
    end

    if_modified_since = request["If-Modified-Since"]
    if if_modified_since
      time = Time.httpdate(if_modified_since)
      if time >= Time.iso8601(real_obj.modified_date)
        response.status = 304
        return
      end 
    end

    response.status = 200
    response['Content-Type'] = real_obj.content_type
    stat = File::Stat.new(real_obj.io.path)

    response['Last-Modified'] = Time.iso8601(real_obj.modified_date).httpdate()
    response.header['ETag'] = "\"#{real_obj.md5}\""
    response['Accept-Ranges'] = "bytes"
    response['Last-Ranges'] = "bytes"
    response['Access-Control-Allow-Origin'] = '*'

    real_obj.custom_metadata.each do |header, value|
      response.header['x-amz-meta-' + header] = value
    end

    content_length = stat.size

    # Added Range Query support
    if range = request.header["range"].first
      response.status = 206
      if range =~ /bytes=(\d*)-(\d*)/
        start = $1.to_i
        finish = $2.to_i
        finish_str = ""
        if finish == 0
          finish = content_length - 1
          finish_str = "#{finish}"
        else
          finish_str = finish.to_s
        end

        bytes_to_read = finish - start + 1
        response['Content-Range'] = "bytes #{start}-#{finish_str}/#{content_length}"
        real_obj.io.pos = start
        response.body = real_obj.io.read(bytes_to_read)
        return
      end
    end
    response['Content-Length'] = File::Stat.new(real_obj.io.path).size
    if s_req.http_verb == 'HEAD'
      response.body = ""
    else
      response.body = real_obj.io
    end
  end
end

#do_OPTIONS(request, response) ⇒ Object 



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# File 'lib/fakes3/server.rb', line 242

def do_OPTIONS(request, response)
  super
  response["Access-Control-Allow-Origin"] = "*"
  response["Access-Control-Allow-Methods"] = "HEAD, GET, PUT, POST"
  response["Access-Control-Allow-Headers"] = "accept, content-type"
  response["Access-Control-Expose-Headers"] = "ETag, x-amz-meta-custom-header"
end

#do_POST(request, response) ⇒ Object 



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# File 'lib/fakes3/server.rb', line 187

def do_POST(request,response)
  # check that we've received file data
  unless request.content_type =~ /^multipart\/form-data; boundary=(.+)/
    raise WEBrick::HTTPStatus::BadRequest
  end
  s_req = normalize_request(request)
  key=request.query['key']
  success_action_redirect=request.query['success_action_redirect']
  success_action_status=request.query['success_action_status']

  filename = 'default'
  filename = $1 if request.body =~ /filename="(.*)"/
  key=key.gsub('${filename}', filename)

  bucket_obj = @store.get_bucket(s_req.bucket) || @store.create_bucket(s_req.bucket)
  real_obj=@store.store_object(bucket_obj, key, s_req.webrick_request)

  response['Etag'] = "\"#{real_obj.md5}\""
  response.body = ""
  if success_action_redirect
    response.status = 307
    response['Location']=success_action_redirect
  else
    response.status = success_action_status || 204
    if response.status=="201"
      response.body= "        <?xml version=\"1.0\" encoding=\"UTF-8\"?>\n        <PostResponse>\n          <Location>http://\#{s_req.bucket}.localhost:\#{@port}/\#{key}</Location>\n          <Bucket>\#{s_req.bucket}</Bucket>\n          <Key>\#{key}</Key>\n          <ETag>\#{response['Etag']}</ETag>\n        </PostResponse>\n      eos\n    end\n  end\n  response['Content-Type'] = 'text/xml'\n  response['Access-Control-Allow-Origin'] = '*'\nend\n".strip

#do_PUT(request, response) ⇒ Object 



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# File 'lib/fakes3/server.rb', line 161

def do_PUT(request,response)
  s_req = normalize_request(request)

  response.status = 200
  response.body = ""
  response['Content-Type'] = "text/xml"
  response['Access-Control-Allow-Origin'] = '*'

  case s_req.type
  when Request::COPY
    object = @store.copy_object(s_req.src_bucket,s_req.src_object,s_req.bucket,s_req.object,request)
    response.body = XmlAdapter.copy_object_result(object)
  when Request::STORE
    bucket_obj = @store.get_bucket(s_req.bucket)
    if !bucket_obj
      # Lazily create a bucket.  TODO fix this to return the proper error
      bucket_obj = @store.create_bucket(s_req.bucket)
    end

    real_obj = @store.store_object(bucket_obj,s_req.object,s_req.webrick_request)
    response.header['ETag'] = "\"#{real_obj.md5}\""
  when Request::CREATE_BUCKET
    @store.create_bucket(s_req.bucket)
  end
end

#validate_request(request) ⇒ Object 



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# File 'lib/fakes3/server.rb', line 53

def validate_request(request)
  req = request.webrick_request
  return if req.nil?
  return if not req.header.has_key?('expect')
  req.continue if req.header['expect'].first=='100-continue'
end