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author | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-05-10 18:07:05 +0200 |
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committer | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-05-10 18:18:52 +0200 |
commit | 01937dc9d5215ef96ce756e3ccda51bf29032f58 (patch) | |
tree | 609ec5bb48c692796520f7982c06b30633038588 /background/policy_smuggler.mjs | |
download | browser-extension-01937dc9d5215ef96ce756e3ccda51bf29032f58.tar.gz browser-extension-01937dc9d5215ef96ce756e3ccda51bf29032f58.zip |
initial commit
Diffstat (limited to 'background/policy_smuggler.mjs')
-rw-r--r-- | background/policy_smuggler.mjs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/background/policy_smuggler.mjs b/background/policy_smuggler.mjs new file mode 100644 index 0000000..61f34c5 --- /dev/null +++ b/background/policy_smuggler.mjs @@ -0,0 +1,60 @@ +/** +* Myext smuggling policy to content script through url +* +* Copyright (C) 2021 Wojtek Kosior +* +* Dual-licensed under: +* - 0BSD license +* - GPLv3 or (at your option) any later version +*/ + +import {TYPE_PREFIX} from '/common/stored_types.mjs'; +import get_storage from './storage.mjs'; +import browser from '/common/browser.mjs'; +import url_item from './url_item.mjs'; + +"use strict"; + +var storage; + +function redirect(request) +{ + let url_re = /^([^#]*)((#[^#]*)(#.*)?)?$/; + let match = url_re.exec(request.url); + let base_url = match[1]; + let first_target = match[3]; + let second_target = match[4]; + + if (first_target === "#myext-allow") { + console.log(["not redirecting"]); + return {cancel : false}; + } + + let url = url_item(request.url); + let settings = storage.get(TYPE_PREFIX.PAGE, url); + console.log("got", storage.get(TYPE_PREFIX.PAGE, url), "for", url); + if (settings === undefined || !settings.allow) + return {cancel : false}; + + second_target = (first_target || "") + (second_target || "") + + console.log(["redirecting", request.url, + (base_url + "#myext-allow" + second_target)]); + + return { + redirectUrl : (base_url + "#myext-allow" + second_target) + }; +} + +export default async function start() { + storage = await get_storage(); + + chrome.webRequest.onBeforeRequest.addListener( + redirect, + { + urls: ["<all_urls>"], + types: ["main_frame", "sub_frame"] + }, + ["blocking"] + ); +} |