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Diffstat (limited to 'data/extensions/jsr@javascriptrestrictor/level_cache.js')
| -rw-r--r-- | data/extensions/jsr@javascriptrestrictor/level_cache.js | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/data/extensions/jsr@javascriptrestrictor/level_cache.js b/data/extensions/jsr@javascriptrestrictor/level_cache.js deleted file mode 100644 index c1fd292..0000000 --- a/data/extensions/jsr@javascriptrestrictor/level_cache.js +++ /dev/null @@ -1,161 +0,0 @@ -/** \file - * \brief Handle domain-specific levels - * - * \author Copyright (C) 2020 Libor Polcak - * \author Copyright (C) 2021 Giorgio Maone - * \author Copyright (C) 2022 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/>. -// - -/** - * Returns the a Promise which resolves to the configuration - * for the current level to be used by the content script for injection - * @param {url} string - * @param isPrivate bool specifying incognito mode - */ -function getContentConfiguration(url, frameId, tabId) { - return new Promise(resolve => { - async function resolve_promise() { - await updateUserScripts(); - let level = getCurrentLevelJSON(url); - if (level.is_default && frameId !== 0) { - /** - * \bug iframes nested within an iframe with user-specific level do not get this level - * - * Suppose that there is an iframe from domain C nested in an iframe from - * domain B that is iself nested in a visited domain A. - * - * +------------------------------------------------------------+ - * | visited domain a.example | - * | | - * | +--------------------------------------------------------+ | - * | | iframe from domain b.example | | - * | | | | - * | | +----------------------------------------------------+ | | - * | | | iframe from domain c.example | | | - * | | | | | | - * | | +----------------------------------------------------+ | | - * | | | | - * | +--------------------------------------------------------+ | - * +------------------------------------------------------------+ - * - * Suppose that B has a user-defined specific level settings, and C does - * not have a user-defined specific level settings. The iframe of domain B - * gets the user-defined settings for domain B but the iframe from domain C - * is set with the level of domain A. - */ - level = getCurrentLevelJSON((await TabCache.async(tabId)).url); - } - let {domainHash, incognitoHash} = await Hashes.getFor(url); - resolve({ - currentLevel: level, - fpdWrappers: isFpdOn(tabId) ? fp_levels.page_wrappers[fpdSettings.detection] : [], - fpdTrackCallers: fpd_track_callers_tab === tabId, - domainHash, - incognitoHash, - portId: wrappersPortId, - }); - } - if (levels_initialised && fp_levels_initialised) { - resolve_promise(); - } - else { - levels_updated_callbacks.push(resolve_promise); - } - }); -} - -/** - * Messaging with content script. - * - * @message The message from content script. - * - * Returns the promise with the message returned to the content script. - */ -function contentScriptLevelSetter(message, {frameId, tab}) { - if (!tab) { - // privileged source, bail out - return; - } - switch (message.message) { - case "get wrapping for URL": - return getContentConfiguration(message.url, frameId, tab.id) - } -} -browser.runtime.onSyncMessage?.addListener(contentScriptLevelSetter); - - -/** - * Register a dynamic content script to be ran for early configuration and - * injection of the wrapper, hopefully before of the asynchronous - * message listener above - * \see Depends on /nscl/service/DocStartInjection.js, /nscl/service/TabCache.js - */ - -DocStartInjection.register(async ({url, frameId, tabId}) => { - let configuration = await getContentConfiguration(url, frameId, tabId); - if (browser.tabs.executeScript) { - // mv2 - return ` - window.configuration = ${JSON.stringify(configuration)}; - if (typeof configureInjection === "function") configureInjection(configuration); - `; - } - - return { - callback: "configureInjection", - assign: "configuration", - data: configuration, - }; -}); - -/** - * We need to process both previous and the next URL. See - * https://pagure.io/JShelter/webextension/issue/46 and - * https://pagure.io/JShelter/webextension/issue/58 for more details. - * So far only window.name wrapper needs such information so we did not created any general - * mechanism. - * Beware that this mechanism is triggered even when the user clicks the back button while content - * scripts do not run again. - */ -NavCache.onUrlChanged.addListener(({tabId, frameId, previousUrl, url}) => { - if (getSiteForURL(previousUrl) === getSiteForURL(url)) return; - if (previousUrl === undefined) return; // First page in this window, see https://pagure.io/JShelter/webextension/issue/116#comment-875070 - (async () => { - let configuration = await getContentConfiguration(url, frameId, tabId); - if (configuration.currentLevel.windowname) { - if (!browser.tabs.executeScript && browser.scripting) { - browser.scripting.executeScript({ - func: () => { window.name = ""; }, - injectImmediately: true, - target: { - frameIds: [frameId], - tabId - } - }); - return; - } - browser.tabs.executeScript(tabId, { - code: `window.name = "";`, - frameId, - runAt: "document_start", - matchAboutBlank: true, - }); - } - })(); -}); |