/*!
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* qn - lib/utils.js
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*
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* Copyright(c) 2013 fengmk2 <fengmk2@gmail.com> (http://fengmk2.github.com)
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* MIT Licensed
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*/
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"use strict";
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/**
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* Module dependencies.
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*/
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var utility = require('utility');
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exports.createError = function (statusCode, data) {
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// http://docs.qiniu.com/api/v6/put.html#error-code
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var msg = data && data.error || ('status ' + statusCode);
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var err = new Error(msg);
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err.code = statusCode;
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if (err.code === 599 && msg === 'file exists') {
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err.code = 614;
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}
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switch (err.code) {
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case 400:
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err.name = 'QiniuRequestParameterError'; // 请求参数错误
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break;
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case 401:
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err.name = 'QiniuAuthFailError'; // 认证授权失败，可能是 AccessKey/SecretKey 错误或 AccessToken 无效
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break;
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case 404:
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err.name = 'QiniuNotFoundError';
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break;
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case 405:
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err.name = 'QiniuRequestMethodWrongError'; // 请求方式错误，非预期的请求方式
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break;
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case 579:
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err.name = 'QiniuCallbackAppServerError'; // 文件上传成功，但是回调（callback app-server）失败
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break;
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case 599:
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err.name = 'QiniuServerError'; // 服务端操作失败
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break;
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case 608:
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err.name = 'QiniuFileContentChangeError'; // 文件内容被修改
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break;
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case 612:
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err.name = 'QiniuFileNotExistsError'; // 指定的文件不存在或已经被删除
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break;
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case 614:
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err.name = 'QiniuFileExistsError'; // 文件已存在
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break;
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case 631:
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err.name = 'QiniuBucketNotExistsError'; // 指定的存储空间（Bucket）不存在
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break;
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case 701:
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err.name = 'QiniuDataChunkChecksumError'; // 上传数据块校验出错
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break;
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default:
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err.name = 'QiniuUnknowError';
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break;
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}
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return err;
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};
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exports.handleResponse = function (err, data, res) {
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if (err) {
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return err;
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}
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var statusCode = res.statusCode;
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if (statusCode >= 400) {
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err = exports.createError(statusCode, data);
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return err;
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}
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};
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exports.urlsafe = function (s) {
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return s.replace(/\//g, '_').replace(/\+/g, '-');
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};
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