samoware-multisave/contentscript.js

71 lines
2.4 KiB
JavaScript

console.log("contentscript.js started!");
function getCurrentDate() {
let today = new Date();
let yyyy = today.getFullYear();
let mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!
let dd = String(today.getDate()).padStart(2, '0');
return yyyy + "-" + mm + "-" + dd;
}
function extractFileUrlsAndNames() {
console.log("contentscript.js: this is extractFileUrlsAndNames()");
// get the correct frame
let frame = document.querySelector("iframe.js-mail-content");
// get all divs containing attachments
let divs = frame.contentWindow.document.body.querySelectorAll("div.samoware-mail-message__attach__item[attachment-ref]");
console.log(`contentscript.js: found ${divs.length} div containing attachments`);
let urlsAndFilenames = []
// loop over divs and extract attachment information
divs.forEach(div => {
let url = div.getAttribute("attachment-ref");
let filename = div.getAttribute("file-name");
// if filename is null, derive it from url
if ( ! filename ) {
let splitUrl = url.split("/");
filename = splitUrl[splitUrl.length-1];
}
urlsAndFilenames.push({url: url, filename: filename});
})
//console.log(`contentscript.js: urlsAndFilenames is ${JSON.stringify(urlsAndFilenames)}`);
return urlsAndFilenames;
}
function onStartedDownload(id) {
console.log(`contentscript.js: Started downloading: ${id}`);
}
function onFailedToStartDownload(error) {
console.log(`contentscript.js: Download failed: ${error}`);
}
// get today's date
let currentDate = getCurrentDate();
console.log(`contentscript.js: currentDate is ${currentDate}`);
let urlsAndFilenames = extractFileUrlsAndNames();
// loop over attachments
for (let i = 0; i < urlsAndFilenames.length; i++) {
// prefix filename
let prefixedFilename = currentDate + " - " + urlsAndFilenames[i].filename;
console.log(`contentscript.js: prefixedFilename is ${prefixedFilename}`);
// start download
let downloading = browser.downloads.download({
url: urlsAndFilenames[i].url,
filename: prefixedFilename,
saveAs: i == 0 // raise a path chooser dialog for the first file only; all later files will (hopefully!) be saved to the same folder
});
console.log(`contentscript.js: downloading is ${downloading}`);
// resolve Promise
downloading.then(onStartedDownload, onFailedToStartDownload);
}
console.log("contentscript.js: has finished");
"contentscript.js: this is the final line";