2025-02-13 18:04:34 +08:00

101 lines
3.3 KiB
TypeScript

import LoggerCore from "@App/app/logger/core";
import Logger from "@App/app/logger/logger";
import { Script, ScriptDAO } from "@App/app/repo/scripts";
import { Group, MessageConnect, MessageSender } from "@Packages/message/server";
import { ValueService } from "@App/app/service/service_worker/value";
import PermissionVerify from "./permission_verify";
import { ServiceWorkerMessageSend } from "@Packages/message/window_message";
// GMApi,处理脚本的GM API调用请求
export type MessageRequest = {
uuid: string; // 脚本id
api: string;
runFlag: string;
params: any[];
};
export type Request = MessageRequest & {
script: Script;
sender: MessageSender;
};
export type Api = (request: Request, con: MessageConnect | null) => Promise<any>;
export default class GMApi {
logger: Logger;
scriptDAO: ScriptDAO = new ScriptDAO();
permissionVerify: PermissionVerify = new PermissionVerify();
constructor(
private group: Group,
private sender: ServiceWorkerMessageSend,
private value: ValueService
) {
this.logger = LoggerCore.logger().with({ service: "runtime/gm_api" });
}
async handlerRequest(data: MessageRequest, con: MessageConnect | null) {
this.logger.trace("GM API request", { api: data.api, uuid: data.uuid, param: data.params });
const api = PermissionVerify.apis.get(data.api);
if (!api) {
return Promise.reject(new Error("api is not found"));
}
const req = await this.parseRequest(data, { tabId: 0 });
try {
await this.permissionVerify.verify(req, api);
} catch (e) {
this.logger.error("verify error", { api: data.api }, Logger.E(e));
return Promise.reject(e);
}
return api.api.call(this, req, con);
}
// 解析请求
async parseRequest(data: MessageRequest, sender: MessageSender): Promise<Request> {
const script = await this.scriptDAO.get(data.uuid);
if (!script) {
return Promise.reject(new Error("script is not found"));
}
const req: Request = <Request>data;
req.script = script;
req.sender = sender;
return Promise.resolve(req);
}
@PermissionVerify.API()
GM_setValue(request: Request): Promise<any> {
if (!request.params || request.params.length !== 2) {
return Promise.reject(new Error("param is failed"));
}
const [key, value] = request.params;
const sender = <MessageSender & { runFlag: string }>request.sender;
sender.runFlag = request.runFlag;
return this.value.setValue(request.script.uuid, key, value);
}
@PermissionVerify.API()
GM_xmlhttpRequest(request: Request, con: MessageConnect) {
console.log("xml request", request, con);
// 先处理unsafe hearder
// 再发送到offscreen, 处理请求
sendMessageToOffscreen(this.sender, "offscreen/gmApi/requestXhr", request.params);
}
start() {
this.group.on("gmApi", this.handlerRequest.bind(this));
}
}
export async function sendMessageToOffscreen(sender: ServiceWorkerMessageSend, action: string, data?: any) {
// service_worker和offscreen同时监听消息,会导致消息被两边同时接收,但是返回结果时会产生问题,导致报错
// 不进行监听的话又无法从service_worker主动发送消息
// 所以这里通过clients.matchAll()获取到所有的client,然后通过postMessage发送消息
sender.sendMessage({
type: "sendMessage",
data: { action, data },
});
}