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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /browser/extensions/webcompat/lib/custom_functions.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/extensions/webcompat/lib/custom_functions.js')
-rw-r--r-- | browser/extensions/webcompat/lib/custom_functions.js | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/browser/extensions/webcompat/lib/custom_functions.js b/browser/extensions/webcompat/lib/custom_functions.js new file mode 100644 index 0000000000..97603e0424 --- /dev/null +++ b/browser/extensions/webcompat/lib/custom_functions.js @@ -0,0 +1,109 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +/* globals browser, module */ + +const replaceStringInRequest = ( + requestId, + inString, + outString, + inEncoding = "utf-8" +) => { + const filter = browser.webRequest.filterResponseData(requestId); + const decoder = new TextDecoder(inEncoding); + const encoder = new TextEncoder(); + const RE = new RegExp(inString, "g"); + const carryoverLength = inString.length; + let carryover = ""; + + filter.ondata = event => { + const replaced = ( + carryover + decoder.decode(event.data, { stream: true }) + ).replace(RE, outString); + filter.write(encoder.encode(replaced.slice(0, -carryoverLength))); + carryover = replaced.slice(-carryoverLength); + }; + + filter.onstop = event => { + if (carryover.length) { + filter.write(encoder.encode(carryover)); + } + filter.close(); + }; +}; + +const CUSTOM_FUNCTIONS = { + detectSwipeFix: injection => { + const { urls, types } = injection.data; + const listener = (injection.data.listener = ({ requestId }) => { + replaceStringInRequest( + requestId, + "preventDefault:true", + "preventDefault:false" + ); + return {}; + }); + browser.webRequest.onBeforeRequest.addListener(listener, { urls, types }, [ + "blocking", + ]); + }, + detectSwipeFixDisable: injection => { + const { listener } = injection.data; + browser.webRequest.onBeforeRequest.removeListener(listener); + delete injection.data.listener; + }, + noSniffFix: injection => { + const { urls, contentType } = injection.data; + const listener = (injection.data.listener = e => { + e.responseHeaders.push(contentType); + return { responseHeaders: e.responseHeaders }; + }); + + browser.webRequest.onHeadersReceived.addListener(listener, { urls }, [ + "blocking", + "responseHeaders", + ]); + }, + noSniffFixDisable: injection => { + const { listener } = injection.data; + browser.webRequest.onHeadersReceived.removeListener(listener); + delete injection.data.listener; + }, + runScriptBeforeRequest: injection => { + const { bug, message, request, script, types } = injection; + const warning = `${message} See https://bugzilla.mozilla.org/show_bug.cgi?id=${bug} for details.`; + + const listener = (injection.listener = e => { + const { tabId, frameId } = e; + return browser.tabs + .executeScript(tabId, { + file: script, + frameId, + runAt: "document_start", + }) + .then(() => { + browser.tabs.executeScript(tabId, { + code: `console.warn(${JSON.stringify(warning)})`, + runAt: "document_start", + }); + }) + .catch(_ => {}); + }); + + browser.webRequest.onBeforeRequest.addListener( + listener, + { urls: request, types: types || ["script"] }, + ["blocking"] + ); + }, + runScriptBeforeRequestDisable: injection => { + const { listener } = injection; + browser.webRequest.onBeforeRequest.removeListener(listener); + delete injection.data.listener; + }, +}; + +module.exports = CUSTOM_FUNCTIONS; |