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# -*- encoding: utf-8 -*-
require 'nokogiri'
module Aliyun
module OSS
##
# ServerError represents exceptions from the OSS
# service. i.e. Client receives a HTTP response whose status is
# NOT OK. #message provides the error message and #to_s gives
# detailed information probably including the OSS request id.
#
class ServerError < Common::Exception
attr_reader :http_code, :error_code, :message, :request_id
def initialize(response)
@http_code = response.code
@attrs = {'RequestId' => get_request_id(response)}
doc = Nokogiri::XML(response.body) do |config|
config.options |= Nokogiri::XML::ParseOptions::NOBLANKS
end rescue nil
if doc and doc.root
doc.root.children.each do |n|
@attrs[n.name] = n.text
end
end
@error_code = @attrs['Code']
@message = @attrs['Message']
@request_id = @attrs['RequestId']
end
def message
msg = @attrs['Message'] || "UnknownError[#{http_code}]."
"#{msg} RequestId: #{request_id}"
end
def to_s
@attrs.merge({'HTTPCode' => @http_code}).map do |k, v|
[k, v].join(": ")
end.join(", ")
end
private
def get_request_id(response)
r = response.headers[:x_oss_request_id] if response.headers
r.to_s
end
end # ServerError
class CallbackError < ServerError
end # CallbackError
##
# ClientError represents client exceptions caused mostly by
# invalid parameters.
#
class ClientError < Common::Exception
end # ClientError
##
# CrcInconsistentError will be raised after a upload operation,
# when the local crc is inconsistent with the response crc from server.
#
class CrcInconsistentError < Common::Exception; end
##
# FileInconsistentError happens in a resumable upload transaction,
# when the file to upload has changed during the uploading
# process. Which means the transaction cannot go on. Or user may
# have inconsistent data uploaded to OSS.
#
class FileInconsistentError < ClientError; end
##
# ObjectInconsistentError happens in a resumable download transaction,
# when the object to download has changed during the downloading
# process. Which means the transaction cannot go on. Or user may
# have inconsistent data downloaded to OSS.
#
class ObjectInconsistentError < ClientError; end
##
# PartMissingError happens in a resumable download transaction,
# when a downloaded part cannot be found as the client tries to
# resume download. The process cannot go on until the part is
# restored.
#
class PartMissingError < ClientError; end
##
# PartMissingError happens in a resumable download transaction,
# when a downloaded part has changed(MD5 mismatch) as the client
# tries to resume download. The process cannot go on until the
# part is restored.
#
class PartInconsistentError < ClientError; end
##
# CheckpointBrokenError happens in a resumable upload/download
# transaction, when the client finds the checkpoint file has
# changed(MD5 mismatch) as it tries to resume upload/download. The
# process cannot go on until the checkpoint file is restored.
#
class CheckpointBrokenError < ClientError; end
end # OSS
end # Aliyun
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