/**
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* 全站http配置
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*
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* axios参数说明
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* isSerialize是否开启form表单提交
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* isToken是否需要token
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*/
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import axios from 'axios';
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import store from '@/store/';
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import router from '@/router/';
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import { serialize } from '@/utils/util';
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import { getToken, removeToken, removeRefreshToken } from '@/utils/auth';
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import { isURL, validatenull } from '@/utils/validate';
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import { ElMessage } from 'element-plus';
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import website from '@/config/website';
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import NProgress from 'nprogress'; // progress bar
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import 'nprogress/nprogress.css'; // progress bar style
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import { Base64 } from 'js-base64';
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import { baseUrl } from '@/config/env';
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import crypto from '@/utils/crypto';
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// 全局未授权错误提示状态，只提示一次
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let isErrorShown = false;
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// 全局锁机制相关变量
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let isRefreshing = false; // 标记当前是否正在刷新token
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let refreshTokenPromise = null; // 刷新token的Promise，避免重复请求
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axios.defaults.timeout = 30000;
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//返回其他状态码
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axios.defaults.validateStatus = function (status) {
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return status >= 200 && status <= 500; // 默认的
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};
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//跨域请求，允许保存cookie
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axios.defaults.withCredentials = true;
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// NProgress Configuration
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NProgress.configure({
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showSpinner: false,
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});
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//http request拦截
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axios.interceptors.request.use(
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config => {
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// start progress bar
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NProgress.start();
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// 初始化错误提示状态
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isErrorShown = false;
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//地址为已经配置状态则不添加前缀
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if (!isURL(config.url) && !config.url.startsWith(baseUrl)) {
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config.url = baseUrl + config.url;
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}
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//安全请求header
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config.headers['Blade-Requested-With'] = 'BladeHttpRequest';
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//headers判断是否需要
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const authorization = config.authorization === false;
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if (!authorization) {
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config.headers['Authorization'] = `Basic ${Base64.encode(
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`${website.clientId}:${website.clientSecret}`
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)}`;
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}
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//headers判断请求是否携带token
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const meta = config.meta || {};
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const isToken = meta.isToken === false;
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//headers传递token是否加密
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const cryptoToken = config.cryptoToken === true;
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//判断传递数据是否加密
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const cryptoData = config.cryptoData === true;
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const token = getToken();
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if (token && !isToken) {
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config.headers[website.tokenHeader] = cryptoToken
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? 'crypto ' + crypto.encryptAES(token, crypto.cryptoKey)
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: 'bearer ' + token;
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}
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// 开启报文加密
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if (cryptoData) {
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if (config.params) {
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const data = crypto.encryptAES(JSON.stringify(config.params), crypto.aesKey);
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config.params = { data };
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}
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if (config.data) {
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config.text = true;
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config.data = crypto.encryptAES(JSON.stringify(config.data), crypto.aesKey);
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}
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}
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//headers中配置text请求
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if (config.text === true) {
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config.headers['Content-Type'] = 'text/plain';
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}
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//headers中配置serialize为true开启序列化
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if (config.method === 'post' && meta.isSerialize === true) {
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config.data = serialize(config.data);
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}
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return config;
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},
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error => {
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return Promise.reject(error);
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}
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);
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//http response拦截
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axios.interceptors.response.use(
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res => {
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NProgress.done();
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//获取配置信息
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const config = res.config;
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const cryptoData = config.cryptoData === true;
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//解析加密报文
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if (cryptoData) {
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res.data = JSON.parse(crypto.decryptAES(res.data, crypto.aesKey));
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}
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//获取状态信息
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const status = res.data.error_code || res.data.code || res.status;
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const statusWhiteList = website.statusWhiteList || [];
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const message = res.data.msg || res.data.error_description || '系统错误';
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//如果在白名单里则自行catch逻辑处理
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if (statusWhiteList.includes(status)) return Promise.reject(res);
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// 如果是401并且没有重试过，尝试刷新token
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if (status === 401 && !config._retry) {
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config._retry = true;
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// 如果当前已经在刷新token，等待刷新完成
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if (isRefreshing) {
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return refreshTokenPromise.then(() => {
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const meta = config.meta || {};
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const isToken = meta.isToken === false;
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const cryptoToken = config.cryptoToken === true;
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const token = getToken();
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if (token && !isToken) {
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config.headers[website.tokenHeader] = cryptoToken
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? 'crypto ' + crypto.encryptAES(token, crypto.cryptoKey)
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: 'bearer ' + token;
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}
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return axios(config);
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});
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}
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// 开始刷新token
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isRefreshing = true;
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// 调用RefreshToken action来刷新token
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refreshTokenPromise = store
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.dispatch('RefreshToken')
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.then(() => {
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isRefreshing = false; // 重置刷新标志
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const meta = config.meta || {};
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const isToken = meta.isToken === false;
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const cryptoToken = config.cryptoToken === true;
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// 获取刷新后的token
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const token = getToken();
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if (token && !isToken) {
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config.headers[website.tokenHeader] = cryptoToken
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? 'crypto ' + crypto.encryptAES(token, crypto.cryptoKey)
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: 'bearer ' + token;
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}
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return axios(config);
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})
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.catch(() => {
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isRefreshing = false; // 重置刷新标志
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// 首次报错时提示
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if (!isErrorShown) {
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isErrorShown = true;
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ElMessage({
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message: '用户令牌不可用，请重新登录',
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type: 'error',
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});
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}
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// 清除token信息
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removeToken();
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removeRefreshToken();
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// 重定向到登录页
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store.dispatch('FedLogOut').then(() => router.push({ path: '/login' }));
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return Promise.reject(new Error(message));
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});
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return refreshTokenPromise;
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}
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// 如果是401并且已经重试过，直接跳转到登录页面
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if (status === 401 && config._retry) {
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if (!isErrorShown) {
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isErrorShown = true;
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ElMessage({
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message: '用户令牌不可用，请重新登录',
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type: 'error',
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});
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}
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removeToken();
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removeRefreshToken();
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store.dispatch('FedLogOut').then(() => router.push({ path: '/login' }));
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return Promise.reject(new Error(message));
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}
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// 如果请求为oauth2错误码则首次报错时提示
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if (status > 2000 && !validatenull(res.data.error_description)) {
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if (!isErrorShown) {
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isErrorShown = true;
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ElMessage({
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message: message,
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type: 'error',
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});
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}
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return Promise.reject(new Error(message));
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}
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// 如果请求为非200则默认统一处理
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if (status !== 200 && status != 2) {
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ElMessage({
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message: message,
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type: 'error',
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});
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return Promise.reject(new Error(message));
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}
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return res;
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},
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error => {
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NProgress.done();
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return Promise.reject(new Error(error));
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}
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);
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export default axios;
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