diff options
Diffstat (limited to 'content')
-rw-r--r-- | content/content.js | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/content/content.js b/content/content.js new file mode 100644 index 0000000..804a473 --- /dev/null +++ b/content/content.js @@ -0,0 +1,89 @@ +/** + * This file is part of Haketilo. + * + * Function: Content scripts - main script. + * + * Copyright (C) 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. + */ + +#IMPORT content/repo_query_cacher.js + +#FROM common/browser.js IMPORT browser +#FROM common/misc.js IMPORT is_privileged_url +#FROM common/policy.js IMPORT decide_policy +#FROM content/policy_enforcing.js IMPORT enforce_blocking + +let already_run = false, page_info; + +function on_page_info_request([type], sender, respond_cb) { + if (type !== "page_info") + return; + + respond_cb(page_info); +} + +globalThis.haketilo_content_script_main = function() { + if (already_run) + return; + + already_run = true; + + if (is_privileged_url(document.URL)) + return; + + browser.runtime.onMessage.addListener(on_page_info_request); + repo_query_cacher.start(); + + const policy = decide_policy(globalThis.haketilo_pattern_tree, + document.URL, + globalThis.haketilo_defualt_allow, + globalThis.haketilo_secret); + page_info = Object.assign({url: document.URL}, policy); + ["csp", "nonce"].forEach(prop => delete page_info[prop]); + + enforce_blocking(policy); +} + +function main() { + if (globalThis.haketilo_pattern_tree !== undefined) + globalThis.haketilo_content_script_main(); +} + +#IF !UNIT_TEST +main(); +#ENDIF |