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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(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";
+
+ by_id("injected_payload").innerText = page_info.payload ?
+ page_info.payload.identifier : "None";
+
+ const scripts_fate = page_info.allow ? "allowed" : "blocked";
+
+ if (page_info.mapping === "~allow")
+ var mapping = `None (scripts ${scripts_fate} by a rule)`;
+ else if (page_info.mapping)
+ var mapping = page_info.mapping;
+ else
+ var mapping = `None (scripts ${scripts_fate} by default policy)`;
+ by_id("mapping_used").innerText = mapping;
+ }
+}
+
+function repo_query_showing(show) {
+ for (const [id, i] of [["repo_query", 0], ["page_info", 1]])
+ by_id(`${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(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();