115 lines
3.3 KiB
JavaScript
115 lines
3.3 KiB
JavaScript
//success成功之前拦截器 在这里 自定义异常拦截
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$.ajaxSetup({
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beforeSend: function(xhr, options) {
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var originalSuccess = options.success
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options.success = function(data, textStatus, jqXhr) {
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data = modifyResponseData(data);
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success(data,textStatus, jqXhr);
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originalSuccess.apply(this, arguments)
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}
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}
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})
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// 请求发送之前的拦截器
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$(document).ajaxSend(function (event, xhr, settings) {
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//修改请求参数
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xhr.setRequestHeader('Authorization', localStorage.getItem("tokens"));
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var modifiedRequestData = modifyRequestData(settings);
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settings.data = modifiedRequestData;
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});
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// 响应成功后的拦截器
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$(document).ajaxSuccess(function (event, xhr, settings, data) {
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data = modifyResponseData(data);
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let modifiedResponseData=data;
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settings.data = modifiedResponseData;
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return data;
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});
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// 请求失败后的拦截器
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$(document).ajaxError(function (event, xhr, settings, er) {
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error(event, xhr, settings, er);
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});
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// 修改请求数据的函数
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function modifyRequestData(settings) {
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var requestData = settings.data;
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var modifiedData = requestData;
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if(settings.headers){
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if(settings.headers['decrypt']=='decrypt'){
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return modifiedData;
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}
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}
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if(settings.type=='POST'){
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if(settings.contentType.indexOf('multipart/form-data')!=-1){
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return modifiedData;
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}else if(settings.contentType.indexOf('application/x-www-form-urlencoded')!=-1){
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var requestData = settings.data;
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var modifiedData = requestData;
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modifiedData=decodeURIComponent(modifiedData);
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if(!modifiedData){
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modifiedData="123";
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}else{
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modifiedData=modifiedData.replaceAll("+-+"," - ");
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modifiedData=modifiedData.replaceAll("+~+"," ~ ");
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}
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modifiedData=sm2Encrypt(modifiedData);
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return "formData="+modifiedData;
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}
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}
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//默认加密
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let url=getUrlParam(settings.url);
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settings.url=url;
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if(modifiedData){
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modifiedData=modifiedData.replaceAll("+"," ");
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}
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modifiedData=decodeURIComponent(modifiedData);
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modifiedData= sm2Encrypt(modifiedData);
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return modifiedData;
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}
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// 修改响应数据的函数
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function modifyResponseData(responseData) {
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// 在这里对响应数据进行修改
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if(responseData.decrypt){
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responseData = sm2Decrypt(responseData.data);
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}else{
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if(typeof(responseData.data)=='undefined'){
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return responseData;
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}
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responseData=responseData.data;
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}
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if(typeof(responseData)=='object'){
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return responseData;
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}
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if(typeof(responseData)=='string'){
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var responseData = JSON.parse(responseData);
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var modifiedData = responseData;
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return modifiedData;
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}
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return responseData;
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}
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// url后面路径解析加密
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function getUrlParam (url) {
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var arrObj = url.split("?");
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if (arrObj.length > 1) {
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if(arrObj[1]){
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arrObj[1]=arrObj[1].replaceAll("+"," ");
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}
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return arrObj[0]+"?"+ sm2Encrypt(arrObj[1]);
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} else {
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return url;
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}
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}
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function removePadding2(decrypted) {
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const lastByte = decrypted.charCodeAt(decrypted.length - 1);
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if (lastByte <= 16) {
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for (let i = decrypted.length - lastByte; i < decrypted.length; i++) {
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if (decrypted.charCodeAt(i) !== lastByte) {
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return decrypted; // 如果填充不正确，返回原始字符串
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}
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}
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return decrypted.slice(0, -lastByte);
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}
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return decrypted;
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} |