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/**
* This file is part of Haketilo.
*
* Function: Show details of how Haketilo handled given page, drive popup.
*
* Copyright (C) 2021,2022 Wojtek Kosior
*
* 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.
*
* As additional permission under GNU GPL version 3 section 7, you
* may distribute forms of that code without the copy of the GNU
* GPL normally required by section 4, provided you include this
* license notice and, in case of non-source distribution, a URL
* through which recipients can access the Corresponding Source.
* If you modify file(s) with this exception, you may extend this
* exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* As a special exception to the GPL, any HTML file which merely
* makes function calls to this code, and for that purpose
* includes it by reference shall be deemed a separate work for
* copyright law purposes. If you modify this code, you may extend
* this exception to your version of the code, but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* I, Wojtek Kosior, thereby promise not to sue for violation of this file's
* license. Although I request that you do not make use of this code in a
* proprietary program, I am not going to enforce this in court.
*/
#FROM common/browser.js IMPORT browser
#FROM common/misc.js IMPORT is_privileged_url
#FROM html/DOM_helpers.js IMPORT by_id
#FROM html/repo_query.js IMPORT RepoQueryView
const tab_query = {currentWindow: true, active: true};
async function get_current_tab() {
#IF CHROMIUM
const callback = (cb) => browser.tabs.query(tab_query, tab => cb(tab));
const promise = new Promise(callback);
#ELIF MOZILLA
const promise = browser.tabs.query(tab_query);
#ENDIF
try {
return (await promise)[0];
} catch(e) {
console.log("Haketilo:", e);
}
}
async function get_page_info(tab_id) {
return browser.tabs.sendMessage(tab_id, ["page_info"]);
}
function show_page_info(page_info) {
by_id("loading_info").remove();
by_id("info_form").classList.remove("hide");
by_id("page_url").innerText = page_info.url;
if (page_info.privileged) {
by_id("privileged_page_info").classList.remove("hide");
} else {
by_id("unprivileged_page_info").classList.remove("hide");
by_id("scripts_blocked").innerText = page_info.allow ? "no" : "yes";
let payload_text = "None";
if (page_info.payload) {
if ("error" in page_info) {
let long_msg = true;
if (page_info.error.haketilo_error_type === "missing")
payload_text = `None (error: resource with id '${page_info.error.id}' missing from the database)`;
else if (page_info.error.haketilo_error_type === "circular")
payload_text = `None (error: circular dependency of resource with id '${page_info.error.id}' on itself)`;
else if (page_info.error.haketilo_error_type === "db")
payload_text = `None (error: failure reading Haketilo internal database)`;
else if (page_info.error.haketilo_error_type === "other")
payload_text = `None (error: unknown failure occured)`;
else
long_msg = false;
if (long_msg)
by_id("injected_payload").classList.add("long_msg");
} else {
payload_text = page_info.payload.identifier;
}
}
by_id("injected_payload").innerText = payload_text;
const scripts_fate = page_info.allow ? "allowed" : "blocked";
let mapping_text, long_msg = true;
if (page_info.mapping === "~allow") {
mapping_text = `None (scripts ${scripts_fate} by a rule)`;
} else if ("error" in page_info &&
page_info.error.haketilo_error_type === "deciding_policy") {
mapping_text = `None (error occured when determining policy)`;
} else if (page_info.mapping) {
mapping_text = page_info.mapping;
long_msg = false;
} else {
mapping_text = `None (scripts ${scripts_fate} by default policy)`;
}
by_id("mapping_used").innerText = mapping_text;
if (long_msg)
by_id("mapping_used").classList.add("long_msg");
}
}
function repo_query_showing(show) {
for (const [id, i] of [["repo_query", 0], ["page_info", 1]])
by_id(`${id}_container`).classList[["add", "remove"][show ^ i]]("hide");
}
function prepare_repo_query_view(tab_id, page_info) {
const repo_query_view = new RepoQueryView(tab_id,
() => repo_query_showing(true),
() => repo_query_showing(false));
by_id("repo_query_container").prepend(repo_query_view.main_div);
let search_cb = () => repo_query_view.show(page_info.url);
search_cb = repo_query_view.when_hidden(search_cb);
by_id("search_resources_but").addEventListener("click", search_cb);
by_id("search_resources_but").classList.remove("hide");
}
async function main() {
const settings_opener = (e) => browser.runtime.openOptionsPage();
by_id("settings_but").addEventListener("click", settings_opener);
try {
var tab = await get_current_tab();
var tab_id = tab.id;
if (is_privileged_url(tab.url))
var page_info = {privileged: true, url: tab.url};
else
var page_info = await get_page_info(tab_id);
} catch(e) {
console.error("Haketilo:", e);
}
if (page_info) {
show_page_info(page_info);
if (!page_info.privileged)
prepare_repo_query_view(tab_id, page_info);
} else {
by_id("loading_info").innerText =
"Page info not avaialable. Try reloading the page.";
}
}
main();
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