mirror of
https://gitee.com/willfree/MINResolveV2.git
synced 2026-06-03 08:16:55 +08:00
free will
760 lines
25 KiB
JavaScript
760 lines
25 KiB
JavaScript
/**
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* The background script to handle url redirection.
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*/
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var storage = null;
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var downloading = false;
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var downloadTimer = null;
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// 存储MIS的IP
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var misHost="121.15.171.92";
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// 请求映射表项时兴趣包使用的前缀
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var misPrefix="/mis/resolve";
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// 兴趣包前缀序号
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var misPrefixNum=0;
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// 是否开启mis更新映射表
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var misEnableState=true;
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// 获取兴趣包前缀
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function getInterestPrefix() {
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misPrefixNum++;
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browser.storage.local.set({'misPrefixNum':misPrefixNum});
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return misPrefix+'/'+misPrefixNum;
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}
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// 加载mis的IP
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function loadMisHost() {
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browser.storage.local.get('misHostIP',function (result) {
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if($.isEmptyObject(result)){
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// alert("hostIP: null");
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browser.storage.local.set({'misHostIP':misHost});
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}else{
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// alert("hostIP: "+result.misHostIP);
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misHost=result.misHostIP;
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}
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});
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browser.storage.local.get('misPrefix',function (result) {
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if($.isEmptyObject(result)){
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// alert("misPrefix: null");
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browser.storage.local.set({'misPrefix':misPrefix});
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}else{
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// alert("misPrefix: "+result.misPrefix);
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misPrefix=result.misPrefix;
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}
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});
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browser.storage.local.get('misPrefixNum',function (result) {
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if($.isEmptyObject(result)){
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// alert("misPrefix: null");
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browser.storage.local.set({'misPrefixNum':misPrefixNum});
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}else{
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// alert("misPrefix: "+result.misPrefix);
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misPrefixNum=result.misPrefixNum;
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}
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});
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browser.storage.local.get('misEnableState',function (result) {
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if($.isEmptyObject(result)){
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// alert("misPrefix: null");
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browser.storage.local.set({'misEnableState':misEnableState});
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}else{
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// alert("misPrefix: "+result.misPrefix);
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misEnableState=result.misEnableState;
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// alert("48641");
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}
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});
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}
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/* Reload callback */
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function reload(result) {
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storage = new Storage();
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if (result && result.storage) {
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storage.fromObject(result.storage);
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resetDownloadTimer();
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}
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}
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/* Auto reload */
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browser.storage.onChanged.addListener(function (changes, area) {
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// if (area == "local") {
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load("storage", reload);
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loadMisHost();
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// }
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});
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/* The first time of loading storage */
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load("storage", reload);
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loadMisHost();
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// alert("成功加载mis的IP: "+misHost+"; misPrefix: "+misPrefix);
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function getJsonString(u_identifier){
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var jsonObj={
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"Type":"user-act",
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"Command":"Resolve",
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"QueryCode":2,
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"U_identifier":u_identifier
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};
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// return jsonObj;
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return JSON.stringify(jsonObj);
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}
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function onData(interest, data)
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{
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// printLine("Got data packet with name " + data.getName().toUri());
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// printLine(data.getContent().buf().toString('binary'));
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}
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function onTimeout(interest)
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{
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// printLine("Time out for interest " + interest.getName().toUri());
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}
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// 增加映射表项时，判断该表项是否重复
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function addCustomRule(editingRule) {
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var flag=0;
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for (var i=0; i<storage.customRules.length; i++) {
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var rule = storage.customRules[i];
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if ((rule.origin === editingRule.origin) && (rule.target === editingRule.target)) {
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flag=1;
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}
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}
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if(flag===0){
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storage.customRules.push(editingRule);
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}
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}
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function express(prefixUri) {
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// alert("成功加载mis的IP: "+misHost+"; misPrefix: "+misPrefix);
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var host = misHost;
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// Connect to the forwarder with a WebSocket.
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var face = new Face({host: host});
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var name = new Name(getInterestPrefix());
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var interest=new Interest(name);
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interest.setMustBeFresh(true);
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var jsonPrefix=getJsonString(prefixUri);
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interest.setApplicationParameters(new Blob(jsonPrefix));
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interest.setInterestLifetimeMilliseconds(2000);
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// alert("express Interest: "+jsonPrefix);
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// printLine("Express interest " + interest.getName().toUri());
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// printLine("The json string is "+interest.getApplicationParameters().toString());
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face.expressInterest(interest, function(interest,data){
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var targetJsonString=data.getContent().buf().toString('binary');
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// alert("targetJsonString: "+targetJsonString);
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var targetJson=JSON.parse(targetJsonString);
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// 将targetJson解析成targetUri
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var StatusCode=targetJson.StatusCode;
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var targetUri=targetJson.Message;
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if((StatusCode===200)&&(targetUri!=="")) {
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var editingRule = new Rule();
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editingRule.enable = true;
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editingRule.description = "initial based on MIS";
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editingRule.origin = prefixUri;
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editingRule.target = targetUri;
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editingRule.exclude = "";
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editingRule.example = "";
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editingRule.process = "";
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editingRule.methods = [];
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editingRule.types = [];
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// storage.customRules.push(editingRule);
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addCustomRule(editingRule);
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/* save */
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save({"storage": storage});
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load("storage", reload);
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}else{
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// mis没有该前缀对应的映射
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}
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// alert("really begin 4");
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}, onTimeout);
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}
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/* ini storage based on the MIS System */
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// function iniStorageBasedMIS() {
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// // alert("really begin");
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// var prefixUri="/mis/baidu";
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// express(prefixUri);
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// }
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// alert("begin reset");
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// iniStorageBasedMIS();
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/* Download online rules */
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function downloadOnlineURLs() {
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/* Still downloading */
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if (!storage.onlineURLs || storage.onlineURLs.length <=0 || downloading) {
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return;
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}
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downloading = true;
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var toDownload = []; // URLs that need to be downloaded
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for (var i = 0; i < storage.onlineURLs.length; i++) {
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var onlineURL = storage.onlineURLs[i];
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if (onlineURL.auto && onlineURL.enable && onlineURL.url !== "") {
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toDownload.push(onlineURL.url);
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}
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}
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if (toDownload.length === 0) {
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sendMessage("downloaded");
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}
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var downloadErrors = [];
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var parseErrors = [];
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for (var i = 0; i<toDownload.length; i++) {
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download(toDownload[i], function (url, content) {
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toDownload.remove(url);
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if (content) {
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try {
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var json;
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// content may be a string or json object
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if (typeof content === "string") {
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json = JSON.parse(content);
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} else {
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json = content;
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}
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json.url = url;
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json.enable = true;
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json.downloadAt = new Date();
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/* To compact with gooreplacer */
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/* version < 1.0, version >= 1.0 doesn't change */
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if (!json.version || json.version < "1.0") {
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var rules = [];
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for (var key in json.rules) {
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var rule = json.rules[key];
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rules.push({
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origin: key,
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target: rule.dstURL,
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enable: rule.enable === undefined ? true : rule.enable,
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kind: rule.kind
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});
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}
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json.rules = rules;
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}
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/* replace the onlineURL */
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for (var j = 0; j < storage.onlineURLs.length; j++){
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if (storage.onlineURLs[j].url == url){
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storage.onlineURLs[j] = new OnlineURL();
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storage.onlineURLs[j].fromObject(json);
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break;
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}
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}
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} catch (err) {
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parseErrors.push(url);
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console.error(err);
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}
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}
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else {
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downloadErrors.push(url);
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}
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if (toDownload.length <= 0) {
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downloading = false;
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sendMessage("downloaded");
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if (downloadErrors.length > 0) {
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sendMessage("downloadError", downloadErrors);
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}
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if (parseErrors.length > 0) {
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sendMessage("parseError", parseErrors);
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}
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storage.updatedAt = (new Date()).toISOString();
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save({"storage": storage});
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}
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});
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}
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}
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/* Reset download timer to download online urls */
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/* Setup a listener if alarm api supported */
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if (browser.alarms) {
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browser.alarms.onAlarm.addListener(function (alarm) {
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if (alarm.name == "download") {
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downloadOnlineURLs();
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}
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})
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}
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/* Reset the download timer */
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function resetDownloadTimer() {
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var interval = 900; // Default 15min
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if (storage.updateInterval) {
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interval = parseInt(storage.updateInterval);
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}
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/* If the browser support alarms api */
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if (browser.alarms) {
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browser.alarms.create("download", {
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periodInMinutes: Math.ceil(interval / 60)
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});
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}
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else {
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/* With setInterval */
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if (downloadTimer != null) {
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clearInterval(downloadTimer);
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}
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interval = interval * 1000; // In milli-seconds
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downloadTimer = setInterval(function () {
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if (storage.enable) {
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downloadOnlineURLs();
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}
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}, interval);
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}
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}
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/* Handle runtime messages */
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browser.runtime.onMessage.addListener(function (message, sender, sendResponse) {
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if (message.method == "download" && !downloading) {
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downloadOnlineURLs();
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}
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else if (message.method == "isDownloading") {
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sendResponse(downloading);
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}
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else {
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console.error("Unknown method");
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}
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});
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function redirect(details) {
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if (storage.enable && details.url) {
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var newURL = storage.redirect(details.url, details.method, details.type);
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if (newURL){
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return {
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redirectUrl: newURL
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}
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}
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}
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return {};
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}
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var _redirect_promise_supported = false;
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// 判断某个字符串是否是一个搜索url
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function isSearchUrl(urlString){
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var searchLibs=[
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// 百度
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"https://www.baidu.com",
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"http://www.baidu.com",
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// 谷歌
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"https://www.google.com",
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"http://www.google.com",
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// 搜狗
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"https://www.sogou.com",
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"http://www.sogou.com",
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// 360
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"https://www.so.com",
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"http://www.so.com",
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// bing
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"https://cn.bing.com",
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"http://cn.bing.com"
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];
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var flag=0;
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for(var i=0;i<searchLibs.length;i++){
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if(urlString.indexOf(searchLibs[i])>=0){
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flag=1;
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break;
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}
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}
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var haveSearchString=getPositiveNum(urlString.indexOf("?wd="))
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+getPositiveNum(urlString.indexOf("&wd="))
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+getPositiveNum(urlString.indexOf("?q="))
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+getPositiveNum(urlString.indexOf("&q="))
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+getPositiveNum(urlString.indexOf("?query="))
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+getPositiveNum(urlString.indexOf("&query="));
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if((flag>0)&&(haveSearchString>0)){
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// alert("it is a searchUrl: "+urlString);
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return true;
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}else{
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return false;
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}
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}
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// 对小于0的数取0
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function getPositiveNum(num) {
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if(num>0){
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return num;
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}else{
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return 0;
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}
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}
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// 传入一个搜索uri，获取其中的搜索数值
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function getSearchContent(uriString) {
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if(!isSearchUrl(uriString)){
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return "";
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}
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var content="";
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if(uriString.indexOf("//www.baidu.com")>=0){
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// &wd= [end] 或 &wd= &
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var startIndex=getPositiveNum(uriString.indexOf("?wd="))
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+getPositiveNum(uriString.indexOf("&wd="))+4;
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var lastString=uriString.substring(startIndex);
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var endIndex=lastString.indexOf('&');
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if(endIndex>=0){
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content=lastString.substring(0,endIndex);
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}else{
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content=lastString;
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}
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}else if(uriString.indexOf("//www.google.com")>=0){
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// ?q= &
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var startIndex=getPositiveNum(uriString.indexOf("?q="))
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+getPositiveNum(uriString.indexOf("&q="))+3;
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var lastString=uriString.substring(startIndex);
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var endIndex=lastString.indexOf('&');
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if(endIndex>=0){
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content=lastString.substring(0,endIndex);
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}else{
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content=lastString;
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}
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}else if(uriString.indexOf("//www.sogou.com")>=0){
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// &query= [end]
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var startIndex=getPositiveNum(uriString.indexOf("?query="))
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+getPositiveNum(uriString.indexOf("&query="))+7;
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var lastString=uriString.substring(startIndex);
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var endIndex=lastString.indexOf('&');
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if(endIndex>=0){
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content=lastString.substring(0,endIndex);
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}else{
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content=lastString;
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}
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}else if(uriString.indexOf("//www.so.com")>=0){
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// &q= [end]
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var startIndex=getPositiveNum(uriString.indexOf("?q="))
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+getPositiveNum(uriString.indexOf("&q="))+3;
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var lastString=uriString.substring(startIndex);
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var endIndex=lastString.indexOf('&');
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if(endIndex>=0){
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content=lastString.substring(0,endIndex);
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}else{
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content=lastString;
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}
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}else if(uriString.indexOf("//cn.bing.com")>=0){
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// ？q= &
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var startIndex=getPositiveNum(uriString.indexOf("?q="))
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+getPositiveNum(uriString.indexOf("&q="))+3;
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var lastString=uriString.substring(startIndex);
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var endIndex=lastString.indexOf('&');
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if(endIndex>=0){
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content=lastString.substring(0,endIndex);
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}else{
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content=lastString;
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}
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}else{}
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return content.replace(/%2F/g,'/');
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}
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// 判断某个字符串是否包含映射表中的表项
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function isIncludedRules(urlString) {
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var flag=0;
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for (var i=0; i<storage.customRules.length; i++) {
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var rule = storage.customRules[i];
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var afterDecodeOrigin=rule.origin.replace('/','%2F');
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if ((urlString.indexOf(rule.origin)>=0)||(urlString.indexOf(afterDecodeOrigin)>=0)) {
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flag=1;
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break;
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}
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}
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if(flag===0){
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// alert("it do not includes rules");
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return false;
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}else{
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// alert("it includes rules");
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// console.log("it includes rules");
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return true;
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}
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}
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// 模糊判断一个string是否是一个合法前缀
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function isRightfulPrefix(urlString){
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if(urlString===''){
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return false;
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}
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if(urlString.indexOf('.')>=0){
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return false;
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}
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if((urlString.indexOf('/')!==0)&&(urlString.indexOf('%2F')!==0)){
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// alert("没/");
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return false;
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}
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return true;
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}
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// 判断某个字符串是否是映射表的一个前缀表项
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// 判断某个字符串是否包含映射表中的表项
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function isRulesPrefix(urlString) {
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// alert("要判断的urlString: "+urlString);
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// 先进行模糊判断
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// if(urlString===''){
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// return false;
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// }
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// if(urlString.indexOf('.')>=0){
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// return false;
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// }
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// if((urlString.indexOf('/')!==0)&&(urlString.indexOf('%2F')!==0)){
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// // alert("没/");
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// return false;
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// }
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if(!isRightfulPrefix(urlString)){
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return false;
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}
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// 再遍历本地映射表
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var flag=0;
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for (var i=0; i<storage.customRules.length; i++) {
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var rule = storage.customRules[i];
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var afterDecodeOrigin=rule.origin.replace('/','%2F');
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if ((urlString===rule.origin)||(urlString===afterDecodeOrigin)) {
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flag=1;
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break;
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}
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}
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if(flag===0){
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// alert("it do not includes rules");
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return false;
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}else{
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// alert("it includes rules");
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// console.log("it includes rules");
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return true;
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}
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}
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// 判断某个字符串是在搜索映射表表项
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function isSearchForRules(urlString) {
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if(isSearchUrl(urlString)&&isIncludedRules(urlString)){
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// console.log("it is searching for rules!!!");
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return true;
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}else{
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return false;
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}
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}
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// 获取url中包括的rule.origin
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function getIncludedRules(urlString) {
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var flag=0;
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var originString="";
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for (var i=0; i<storage.customRules.length; i++) {
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var rule = storage.customRules[i];
|
||
var afterDecodeOrigin=rule.origin.replace('/','%2F');
|
||
if ((urlString.indexOf(rule.origin)>=0)||(urlString.indexOf(afterDecodeOrigin)>=0)) {
|
||
flag=1;
|
||
originString=rule.origin;
|
||
break;
|
||
}
|
||
}
|
||
return originString;
|
||
}
|
||
|
||
// 剪切不包含.这个字符的URI的http头
|
||
function cutHttpHead(uri) {
|
||
// 判断是http:还是https:
|
||
var startIndex=0;
|
||
if(uri.indexOf("https:")>=0){
|
||
startIndex=8;
|
||
}else if(uri.indexOf("http:")>=0){
|
||
startIndex=7;
|
||
}
|
||
// 判断uri中是否含有.这个字符
|
||
if(uri.indexOf('.')>=0){
|
||
return "";
|
||
}else{
|
||
var uritmp=uri.substr(startIndex);
|
||
if(uritmp.indexOf(0)==='/'){
|
||
return uritmp;
|
||
}else{
|
||
return '/'+uritmp;
|
||
}
|
||
}
|
||
}
|
||
|
||
// 根据传入的uri获取前缀，从而更新本地映射表
|
||
function updateStorageBasedUri(uri) {
|
||
// alert("begin upgrate");
|
||
var uriCut=cutHttpHead(uri);
|
||
// alert("uricut: "+uriCut);
|
||
if(uriCut===""){
|
||
}else{
|
||
express(uriCut);
|
||
}
|
||
}
|
||
|
||
// 根据传入的前缀，更新本地映射表
|
||
function updateStorageBasedPrefix(prefix) {
|
||
express(prefix);
|
||
}
|
||
|
||
/* Handle redirect */
|
||
function handleRedirect(details) {
|
||
// 判断url是否是一个搜索url，并根据搜索内容，判断是否直接命中本地映射表
|
||
var searchContent=getSearchContent(details.url);
|
||
// alert("sc: "+searchContent);
|
||
// 判断url去掉头部之后是否直接命中本地映射表
|
||
var cutHeadString=cutHttpHead(details.url);
|
||
// 如果该搜索内容或网址命中了缓存中的映射表前缀，则重定向
|
||
if(isRulesPrefix(searchContent)||isRulesPrefix(cutHeadString)){
|
||
// alert("sc: "+searchContent+" isRules: "+isRulesPrefix(searchContent));
|
||
// alert("cut: "+cutHeadString+" isRules: "+isRulesPrefix(cutHeadString));
|
||
var prefixTemp="";
|
||
if(searchContent!==""){
|
||
prefixTemp=searchContent;
|
||
}else{
|
||
prefixTemp=cutHeadString;
|
||
}
|
||
details.url = "http://" + prefixTemp;
|
||
// alert("detail-url: "+details.url);
|
||
if (_redirect_promise_supported) {
|
||
var promise = new Promise(function (resolve, reject) {
|
||
var blockingResponse = redirect(details);
|
||
return resolve(blockingResponse);
|
||
});
|
||
return promise;
|
||
} else {
|
||
// alert("redirect: "+details.url);
|
||
return redirect(details);
|
||
}
|
||
}
|
||
// 如果没有命中缓存映射表，但是它是一个检索内容的网址，
|
||
// 则根据该内容更新本地缓存之后，进行重定向
|
||
if(searchContent!==""){
|
||
// alert("检索内容了呢："+searchContent);
|
||
if ((misEnableState === true)&&isRightfulPrefix(searchContent)) {
|
||
// 如果检索内容模糊判断是一个前缀，且mis同步是开着的
|
||
// alert("成功加载mis的IP: "+misHost+"; misPrefix: "+misPrefix);
|
||
var host = misHost;
|
||
// Connect to the forwarder with a WebSocket.
|
||
var face = new Face({host: host});
|
||
|
||
var name = new Name(getInterestPrefix());
|
||
var interest=new Interest(name);
|
||
interest.setMustBeFresh(true);
|
||
var jsonPrefix=getJsonString(searchContent);
|
||
interest.setApplicationParameters(new Blob(jsonPrefix));
|
||
interest.setInterestLifetimeMilliseconds(2000);
|
||
// alert("express Interest");
|
||
face.expressInterest(interest, function(interest,data){
|
||
var targetJsonString=data.getContent().buf().toString('binary');
|
||
// alert("targetJsonString: "+targetJsonString);
|
||
var targetJson=JSON.parse(targetJsonString);
|
||
// 将targetJson解析成targetUri
|
||
var StatusCode=targetJson.StatusCode;
|
||
var targetUri=targetJson.Message;
|
||
// alert("code: "+StatusCode+", "+targetUri);
|
||
if((StatusCode===200)&&(targetUri!=="")) {
|
||
var editingRule = new Rule();
|
||
editingRule.enable = true;
|
||
editingRule.description = "initial based on MIS";
|
||
editingRule.origin = searchContent;
|
||
editingRule.target = targetUri;
|
||
editingRule.exclude = "";
|
||
editingRule.example = "";
|
||
editingRule.process = "";
|
||
editingRule.methods = [];
|
||
editingRule.types = [];
|
||
// storage.customRules.push(editingRule);
|
||
addCustomRule(editingRule);
|
||
/* save */
|
||
save({"storage": storage});
|
||
load("storage", reload);
|
||
// alert("已经重新更新了本地映射表");
|
||
// 缓存映射表更新之后，执行重定向操作
|
||
details.url = "http://" + searchContent;
|
||
}
|
||
// alert("根据本地缓存要重定向了哦");
|
||
if (_redirect_promise_supported) {
|
||
var promise = new Promise(function (resolve, reject) {
|
||
var blockingResponse = redirect(details);
|
||
return resolve(blockingResponse);
|
||
});
|
||
return promise;
|
||
} else {
|
||
// alert("deurl: "+details.url);
|
||
return redirect(details);
|
||
}
|
||
}, function (interest) {
|
||
// alert("time out...");
|
||
// mis系统崩溃，没有给任何应答，直接执行重定向操作
|
||
if (_redirect_promise_supported) {
|
||
var promise = new Promise(function (resolve, reject) {
|
||
var blockingResponse = redirect(details);
|
||
return resolve(blockingResponse);
|
||
});
|
||
return promise;
|
||
} else {
|
||
return redirect(details);
|
||
}
|
||
});
|
||
}else{
|
||
// 直接尝试重定向
|
||
if (_redirect_promise_supported) {
|
||
var promise = new Promise(function (resolve, reject) {
|
||
var blockingResponse = redirect(details);
|
||
return resolve(blockingResponse);
|
||
});
|
||
return promise;
|
||
} else {
|
||
return redirect(details);
|
||
}
|
||
}
|
||
}else{
|
||
// 如果不是进行搜索，且本地没有命中映射表，则异步请求mis更新映射表
|
||
if((misEnableState===true)&&isRightfulPrefix(cutHeadString)){
|
||
updateStorageBasedUri(details.url);
|
||
}
|
||
// 并进行重定向
|
||
if (_redirect_promise_supported) {
|
||
var promise = new Promise(function (resolve, reject) {
|
||
var blockingResponse = redirect(details);
|
||
return resolve(blockingResponse);
|
||
});
|
||
return promise;
|
||
} else {
|
||
return redirect(details);
|
||
}
|
||
}
|
||
}
|
||
|
||
// /* Handle redirect */
|
||
// function handleRedirect(details) {
|
||
// // alert("misEnableState: " + misEnableState);
|
||
// // alert("detail-url: "+details.url);
|
||
// if(isSearchUrl(details.url)){
|
||
// if (misEnableState === true) {
|
||
// updateStorageBasedUri(details.url);
|
||
// }
|
||
// }
|
||
// // 判断是否是搜索映射表表项，如果是，直接跳转到映射界面
|
||
// if(isSearchForRules(details.url)){
|
||
// // alert("捕获到了一个前缀搜索: "+details.url);
|
||
// details.url="http://"+getIncludedRules(details.url);
|
||
// // alert("B-url: "+details.url);
|
||
// }else{
|
||
// if (misEnableState === true) {
|
||
// updateStorageBasedUri(details.url);
|
||
// }
|
||
// }
|
||
//
|
||
// if (_redirect_promise_supported) {
|
||
// var promise = new Promise(function (resolve, reject) {
|
||
// var blockingResponse = redirect(details);
|
||
// return resolve(blockingResponse);
|
||
// });
|
||
// // alert("修改后的details.url-0: "+details.url);
|
||
// // history.pushState({},"Wow Title","/my/awesome/url");
|
||
// return promise;
|
||
// } else {
|
||
// // history.pushState({},"Wow Title","/my/awesome/url");
|
||
// // alert("修改后的details.url-1: "+details.url);
|
||
// return redirect(details);
|
||
// }
|
||
// }
|
||
|
||
/* Since firefox 52, could return a promise to handles asynchronously */
|
||
if (browser.runtime.getBrowserInfo) {
|
||
function checkRedirectPromise(info) {
|
||
if (info.name == "Firefox") {
|
||
if (parseInt(info.version.split('.')[0]) >= 52) {
|
||
_redirect_promise_supported = true;
|
||
}
|
||
}
|
||
}
|
||
var gettingInfo = browser.runtime.getBrowserInfo();
|
||
gettingInfo.then(checkRedirectPromise)
|
||
}
|
||
|
||
/* Add listener */
|
||
browser.webRequest.onBeforeRequest.addListener(
|
||
handleRedirect,
|
||
{urls: ["<all_urls>"]},
|
||
["blocking"]
|
||
);
|