diff options
Diffstat (limited to 'background/cookie_filter.js')
-rw-r--r-- | background/cookie_filter.js | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/background/cookie_filter.js b/background/cookie_filter.js deleted file mode 100644 index e3d0c77..0000000 --- a/background/cookie_filter.js +++ /dev/null @@ -1,80 +0,0 @@ -/** - * This file is part of Haketilo. - * - * Function: Filtering request headers to remove haketilo cookies that might - * have slipped through. - * - * Copyright (C) 2021 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 this code in a - * proprietary program, I am not going to enforce this in court. - */ - -/* - * IMPORTS_START - * IMPORT extract_signed - * IMPORTS_END - */ - -function is_valid_haketilo_cookie(cookie) -{ - const match = /^haketilo-(\w*)=(.*)$/.exec(cookie); - if (!match) - return false; - - return !extract_signed(match.slice(1, 3)).fail; -} - -function remove_haketilo_cookies(header) -{ - if (header.name !== "Cookie") - return header; - - const cookies = header.value.split("; "); - const value = cookies.filter(c => !is_valid_haketilo_cookie(c)).join("; "); - - return value ? {name: "Cookie", value} : null; -} - -function filter_cookie_headers(headers) -{ - return headers.map(remove_haketilo_cookies).filter(h => h); -} - -/* - * EXPORTS_START - * EXPORT filter_cookie_headers - * EXPORTS_END - */ |