Passively capture, archive, and hoard your web browsing history, including the contents of the pages you visit, for later offline viewing, mirroring, and/or indexing. Your own personal private Wayback Machine that can also archive HTTP POST requests and responses, as well as most other HTTP-level data.
/*
* An injected script that does HTML DOM snapshotting.
*
* Copyright (c) 2024 Jan Malakhovski <oxij@oxij.org>
*
* This file is a part of `hoardy-web` project.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
"use strict";
(() => {
let now = Date.now();
let errors = [];
let result = null;
let ct = document.contentType;
if (document instanceof HTMLDocument && ct === "text/html"
|| document instanceof XMLDocument && ct === "image/svg+xml") {
ct = `${ct}; charset=${document.characterSet}`;
let gotDocType = false;
let cres = [];
for (let c of document.childNodes) {
if (c instanceof DocumentType && c.name === "html") {
if (gotDocType)
errors.push("multiple doctypes");
gotDocType = true;
cres.push("<!DOCTYPE html>");
} else if (c instanceof HTMLHtmlElement)
cres.push(c.outerHTML);
else if (c instanceof SVGSVGElement) {
if (gotDocType)
errors.push("multiple doctypes");
gotDocType = true;
cres.push(`<?xml version="1.0" encoding="${document.characterSet}" standalone="no"?>`)
cres.push(c.outerHTML);
} else
errors.push(`unknown child element type ${c.toString()}`);
}
result = cres.join("\n");
} else
errors.push(`snapshotting of frames with \`${ct}\` content type is not implemented`);
return [now, document.documentURI, document.referrer, document.URL, ct, result, errors];
})();