dtp-webextension/common_content_script.js
2020-06-24 17:17:22 +08:00

24 lines
897 B
JavaScript

function getElementByXpath(path) {
return document.evaluate(path, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
}
chrome.extension.onRequest.addListener(function(request, sender, sendResponse) {
if (request.action == "requestPics") {
// TODO: check url, use different match rule to return data.
let a = getElementByXpath("(//article[contains(@role,'article')])[1]//a[contains(@href,'/photo/')]//img/@src");
let arr = [];
for (i=0; i<a.snapshotLength; i++) {
let oneUrl = a.snapshotItem(i).textContent;
let splited = oneUrl.split('?');
let baseUrl = splited[0];
var getParas = new URLSearchParams(splited[1]);
getParas.set("name", "orig");
arr.push(baseUrl + '?' + getParas.toString());
}
// console.log(arr);
sendResponse({dataType: 'urlList', urlList: arr, source: window.location.href});
} else {
sendResponse({}); // Send nothing..
}
});