Files
kiss-translator/src/background.js
2025-11-20 17:36:02 +08:00

337 lines
8.6 KiB
JavaScript

import browser from "webextension-polyfill";
import {
MSG_FETCH,
MSG_GET_HTTPCACHE,
MSG_PUT_HTTPCACHE,
MSG_TRANS_TOGGLE,
MSG_OPEN_OPTIONS,
MSG_SAVE_RULE,
MSG_TRANS_TOGGLE_STYLE,
MSG_OPEN_TRANBOX,
MSG_CONTEXT_MENUS,
MSG_COMMAND_SHORTCUTS,
MSG_INJECT_JS,
MSG_INJECT_CSS,
MSG_UPDATE_CSP,
MSG_BUILTINAI_DETECT,
MSG_BUILTINAI_TRANSLATE,
CMD_TOGGLE_TRANSLATE,
CMD_TOGGLE_STYLE,
CMD_OPEN_OPTIONS,
CMD_OPEN_TRANBOX,
CLIENT_THUNDERBIRD,
MSG_SET_LOGLEVEL,
MSG_CLEAR_CACHES,
} from "./config";
import { getSettingWithDefault, tryInitDefaultData } from "./libs/storage";
import { trySyncSettingAndRules } from "./libs/sync";
import { fetchHandle } from "./libs/fetch";
import { tryClearCaches, getHttpCache, putHttpCache } from "./libs/cache";
import { sendTabMsg } from "./libs/msg";
import { trySyncAllSubRules } from "./libs/subRules";
import { saveRule } from "./libs/rules";
import { getCurTabId } from "./libs/msg";
import { injectInlineJsBg, injectInternalCss } from "./libs/injector";
import { kissLog, logger } from "./libs/log";
import { chromeDetect, chromeTranslate } from "./libs/builtinAI";
globalThis.ContextType = "BACKGROUND";
const CSP_RULE_START_ID = 1;
const ORI_RULE_START_ID = 10000;
const CSP_REMOVE_HEADERS = [
`content-security-policy`,
`content-security-policy-report-only`,
`x-webkit-csp`,
`x-content-security-policy`,
];
/**
* 添加右键菜单
*/
async function addContextMenus(contextMenuType = 1) {
// 添加前先删除,避免重复ID的错误
try {
await browser.contextMenus.removeAll();
} catch (err) {
kissLog("remove contextMenus", err);
}
switch (contextMenuType) {
case 1:
browser.contextMenus.create({
id: CMD_TOGGLE_TRANSLATE,
title: browser.i18n.getMessage("app_name"),
contexts: ["page", "selection"],
});
break;
case 2:
browser.contextMenus.create({
id: CMD_TOGGLE_TRANSLATE,
title: browser.i18n.getMessage("toggle_translate"),
contexts: ["page", "selection"],
});
browser.contextMenus.create({
id: CMD_TOGGLE_STYLE,
title: browser.i18n.getMessage("toggle_style"),
contexts: ["page", "selection"],
});
browser.contextMenus.create({
id: CMD_OPEN_TRANBOX,
title: browser.i18n.getMessage("open_tranbox"),
contexts: ["page", "selection"],
});
browser.contextMenus.create({
id: "options_separator",
type: "separator",
contexts: ["page", "selection"],
});
browser.contextMenus.create({
id: CMD_OPEN_OPTIONS,
title: browser.i18n.getMessage("open_options"),
contexts: ["page", "selection"],
});
break;
default:
}
}
/**
* 更新CSP策略
* @param {*} csplist
*/
async function updateCspRules({ csplist, orilist }) {
try {
const oldRules = await browser.declarativeNetRequest.getDynamicRules();
const rulesToAdd = [];
const idsToRemove = [];
if (csplist !== undefined) {
let processedCspList = csplist;
if (typeof processedCspList === "string") {
processedCspList = processedCspList
.split(/\n|,/)
.map((url) => url.trim())
.filter(Boolean);
}
const oldCspRuleIds = oldRules
.filter(
(rule) => rule.id >= CSP_RULE_START_ID && rule.id < ORI_RULE_START_ID
)
.map((rule) => rule.id);
idsToRemove.push(...oldCspRuleIds);
const newCspRules = processedCspList.map((url, index) => ({
id: CSP_RULE_START_ID + index,
action: {
type: "modifyHeaders",
responseHeaders: CSP_REMOVE_HEADERS.map((header) => ({
operation: "remove",
header,
})),
},
condition: {
urlFilter: url,
resourceTypes: ["main_frame", "sub_frame"],
},
}));
rulesToAdd.push(...newCspRules);
}
if (orilist !== undefined) {
let processedOriList = orilist;
if (typeof processedOriList === "string") {
processedOriList = processedOriList
.split(/\n|,/)
.map((url) => url.trim())
.filter(Boolean);
}
const oldOriRuleIds = oldRules
.filter((rule) => rule.id >= ORI_RULE_START_ID)
.map((rule) => rule.id);
idsToRemove.push(...oldOriRuleIds);
const newOriRules = processedOriList.map((url, index) => ({
id: ORI_RULE_START_ID + index,
action: {
type: "modifyHeaders",
requestHeaders: [{ header: "Origin", operation: "set", value: url }],
},
condition: {
urlFilter: url,
resourceTypes: ["xmlhttprequest"],
},
}));
rulesToAdd.push(...newOriRules);
}
if (idsToRemove.length > 0 || rulesToAdd.length > 0) {
await browser.declarativeNetRequest.updateDynamicRules({
removeRuleIds: idsToRemove,
addRules: rulesToAdd,
});
}
} catch (err) {
kissLog("update csp rules", err);
}
}
/**
* 注册邮件显示脚本
*/
async function registerMsgDisplayScript() {
await messenger.messageDisplayScripts.register({
js: [{ file: "/content.js" }],
});
}
/**
* 插件安装
*/
browser.runtime.onInstalled.addListener(async () => {
await tryInitDefaultData();
//在thunderbird中注册脚本
if (process.env.REACT_APP_CLIENT === CLIENT_THUNDERBIRD) {
registerMsgDisplayScript();
}
const { contextMenuType, csplist, orilist } = await getSettingWithDefault();
// 右键菜单
addContextMenus(contextMenuType);
// 禁用CSP
updateCspRules({ csplist, orilist });
});
/**
* 浏览器启动
*/
browser.runtime.onStartup.addListener(async () => {
const {
clearCache,
contextMenuType,
subrulesList,
csplist,
orilist,
logLevel,
} = await getSettingWithDefault();
// 设置日志
logger.setLevel(logLevel);
// 清除缓存
if (clearCache) {
tryClearCaches();
}
//在thunderbird中注册脚本
if (process.env.REACT_APP_CLIENT === CLIENT_THUNDERBIRD) {
registerMsgDisplayScript();
}
// 右键菜单
// firefox重启后菜单会消失,故重复添加
addContextMenus(contextMenuType);
// 禁用CSP
updateCspRules({ csplist, orilist });
// 同步数据
trySyncSettingAndRules();
// 同步订阅规则
trySyncAllSubRules({ subrulesList });
});
/**
* 向当前活动标签页注入脚本或CSS
*/
const injectToCurrentTab = async (func, args) => {
const tabId = await getCurTabId();
return browser.scripting.executeScript({
target: { tabId, allFrames: true },
func: func,
args: [args],
world: "MAIN",
});
};
// 动作处理器映射表
const messageHandlers = {
[MSG_FETCH]: (args) => fetchHandle(args),
[MSG_GET_HTTPCACHE]: (args) => getHttpCache(args),
[MSG_PUT_HTTPCACHE]: (args) => putHttpCache(args),
[MSG_OPEN_OPTIONS]: () => browser.runtime.openOptionsPage(),
[MSG_SAVE_RULE]: (args) => saveRule(args),
[MSG_INJECT_JS]: (args) => injectToCurrentTab(injectInlineJsBg, args),
[MSG_INJECT_CSS]: (args) => injectToCurrentTab(injectInternalCss, args),
[MSG_UPDATE_CSP]: (args) => updateCspRules(args),
[MSG_CONTEXT_MENUS]: (args) => addContextMenus(args),
[MSG_COMMAND_SHORTCUTS]: () => browser.commands.getAll(),
[MSG_BUILTINAI_DETECT]: (args) => chromeDetect(args),
[MSG_BUILTINAI_TRANSLATE]: (args) => chromeTranslate(args),
[MSG_SET_LOGLEVEL]: (args) => logger.setLevel(args),
[MSG_CLEAR_CACHES]: () => tryClearCaches(),
};
/**
* 监听消息
* todo: 返回含错误的结构化信息
*/
browser.runtime.onMessage.addListener(async ({ action, args }) => {
const handler = messageHandlers[action];
if (!handler) {
throw new Error(`Message action is unavailable: ${action}`);
}
return handler(args);
});
/**
* 监听快捷键
*/
browser.commands.onCommand.addListener((command) => {
// console.log(`Command: ${command}`);
switch (command) {
case CMD_TOGGLE_TRANSLATE:
sendTabMsg(MSG_TRANS_TOGGLE);
break;
case CMD_OPEN_TRANBOX:
sendTabMsg(MSG_OPEN_TRANBOX);
break;
case CMD_TOGGLE_STYLE:
sendTabMsg(MSG_TRANS_TOGGLE_STYLE);
break;
case CMD_OPEN_OPTIONS:
browser.runtime.openOptionsPage();
break;
default:
}
});
/**
* 监听右键菜单
*/
browser.contextMenus.onClicked.addListener(({ menuItemId }) => {
switch (menuItemId) {
case CMD_TOGGLE_TRANSLATE:
sendTabMsg(MSG_TRANS_TOGGLE);
break;
case CMD_TOGGLE_STYLE:
sendTabMsg(MSG_TRANS_TOGGLE_STYLE);
break;
case CMD_OPEN_TRANBOX:
sendTabMsg(MSG_OPEN_TRANBOX);
break;
case CMD_OPEN_OPTIONS:
browser.runtime.openOptionsPage();
break;
default:
}
});