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/** \file
* \brief FPD module initial configuration
*
* \author Copyright (C) 2021 Marek Salon
* \author Copyright (C) 2023 Martin Zmitko
*
* \license SPDX-License-Identifier: GPL-3.0-or-later
*/
// 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 <https://www.gnu.org/licenses/>.
//
/** \file
*
* \brief This file is part of Fingerprint Detector (FPD) and contains the function for loading configuration files.
*
* \ingroup FPD
*/
//DEF_FPD_FILES_S
var fp_config_files = ["groups-lvl_0", "groups-lvl_1", "wrappers-lvl_0_1"]
//DEF_FPD_FILES_E
/**
* Object containing parsed input from JSON configuration files of FPD module.
*/
var fp_levels = {};
/// \cond (Exclude this section from the doxygen documentation. If this section is not excluded, it is documented as a separate function.)
{
// parse input files into fp_levels for each level, generate wrapping code and initialize FPD module
let loadFpdConfig = async () => {
for (let file of fp_config_files) {
try {
let config = JSON.parse(await readFile(browser.runtime.getURL(`fp_config/${file}.json`)));
let file_splitted = file.split("-");
let file_levels = file_splitted[1].split("_").filter(x => x != 'lvl');
fp_levels[file_splitted[0]] = fp_levels[file_splitted[0]] || {};
for (let level of file_levels) {
fp_levels[file_splitted[0]][level] = config;
}
}
catch (e) {
console.error(e);
}
}
// merge duplicit entries of the same resource to be wrapped only once
let mergeWrappers = (sameResources) => {
let mergeGroups = () => {
let accArray = [];
for (let resource of sameResources) {
accArray.push(...resource.groups);
}
return accArray;
}
return {
resource: sameResources[0].resource,
type: sameResources[0].type,
groups: mergeGroups()
}
}
fp_levels.page_wrappers = [];
for (let level in fp_levels.wrappers) {
let tmpWrappers = {};
for (let wrapper of fp_levels.wrappers[level]) {
if (!Object.keys(tmpWrappers).includes(wrapper.resource)) {
let sameResources = fp_levels.wrappers[level].filter(x => x.resource == wrapper.resource);
tmpWrappers[wrapper.resource] = mergeWrappers(sameResources);
}
}
fp_levels.wrappers[level] = Object.values(tmpWrappers);
// Save FPD wrappers for page configuration
fp_levels.page_wrappers[level] = fp_levels.wrappers[level].map(w => [
// Wrapped object name
w.resource,
// Wrapped object type (0 - function, 1 - property)
w.type === "property" ? 1 : 0,
// Array specifying property types to wrap (getter, setter or both)
Array.from(new Set(w.groups.map(x => x.property != undefined ? x.property : "get"))),
// Specify if arguments should be sent for evaulation
w.groups.some(group => "arguments" in group) ? 1 : 0,
]);
}
// initialize FPD module (background script and event listeners)
initFpd();
fp_levels_initialised = true;
if (levels_initialised) { // Wait for both levels_initialised and fp_levels_initialised
var orig_levels_updated_callbacks = levels_updated_callbacks;
levels_updated_callbacks = [];
orig_levels_updated_callbacks.forEach((it) => it());
await updateUserScripts();
}
}
loadFpdConfig();
}
/// \endcond
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