rsshub/dist-lib/channel-QO80bOU3.mjs

Make RSS Great Again!

import { t as rofetch } from "./ofetch-C3ts-Hud.mjs";
import { t as parseDate } from "./parse-date-Cr0wQjV_.mjs";
import { t as got_default } from "./got-BTowW50G.mjs";
import { t as timezone } from "./timezone-BBvDwS_3.mjs";
import { Fragment, jsx, jsxs } from "hono/jsx/jsx-runtime";
import { createHash } from "node:crypto";
import { load } from "cheerio";
import { renderToString } from "hono/jsx/dom/server";
import { raw } from "hono/html";
//#region lib/routes/cma/channel.tsx
const solveChallenge = (prefix, leadingZeroBits) => {
	for (let count = 0; count < 1e8; count++) {
		const suffix = count.toString(16);
		if (createHash("sha1").update(prefix + suffix).digest().readUInt32BE(0) >>> 32 - leadingZeroBits === 0) return suffix;
	}
	throw new Error("Failed to solve the SafeLine challenge of weather.cma.cn");
};
const fetchPageWithChallenge = async (url) => {
	const response = await rofetch.raw(url);
	const html = response._data ?? "";
	const challenge = response.headers.getSetCookie().find((cookie) => cookie.startsWith("safeline_bot_challenge="))?.split(";", 1)[0];
	const prefix = html.match(/var prefix = '(\w+)';/)?.[1];
	const leadingZeroBits = Number(html.match(/var leading_zero_bit = (\d+);/)?.[1]);
	if (!challenge || !prefix || !leadingZeroBits) return html;
	return rofetch(url, { headers: { Cookie: `${challenge}; ${challenge.replace("safeline_bot_challenge=", "safeline_bot_challenge_ans=") + solveChallenge(prefix, leadingZeroBits)}` } });
};
const route = {
	path: "/channel/:id?",
	categories: ["forecast"],
	example: "/cma/channel/380",
	parameters: { id: "分类，见下表，可在对应频道页 URL 中找到，默认为 380，即每日天气提示" },
	features: {
		requireConfig: false,
		requirePuppeteer: false,
		antiCrawler: true,
		supportBT: false,
		supportPodcast: false,
		supportScihub: false
	},
	name: "天气预报频道",
	maintainers: ["nczitzk"],
	handler,
	description: `#### 天气实况

| 频道名称 | 频道 id                          |
| -------- | -------------------------------- |
| 卫星云图 | d3236549863e453aab0ccc4027105bad |
| 单站雷达 | 103                              |
| 降水量   | 18                               |
| 气温     | 32                               |
| 土壤水分 | 45                               |

#### 气象公报

| 频道名称       | 频道 id                          |
| -------------- | -------------------------------- |
| 每日天气提示   | 380                              |
| 重要天气提示   | da5d55817ad5430fb9796a0780178533 |
| 天气公报       | 3780                             |
| 强对流天气预报 | 383                              |
| 交通气象预报   | 423                              |
| 森林火险预报   | 424                              |
| 海洋天气公报   | 452                              |
| 环境气象公报   | 467                              |

::: tip
订阅更多细分频道，请前往对应上级频道页，使用下拉菜单选择项目后跳转到目标频道页，查看其 URL 找到对应频道 id
:::`
};
async function handler(ctx) {
	const { id = "380" } = ctx.req.param();
	const author = "中国气象局·天气预报";
	const rootUrl = "https://weather.cma.cn";
	const apiUrl = new URL("api/channel", rootUrl).href;
	const currentUrl = new URL(`web/channel-${id}.html`, rootUrl).href;
	const { data: response } = await got_default(apiUrl, { searchParams: { id } });
	const article = response?.data?.pop() ?? {};
	article.image = article.image?.replace(/\?.*$/, "");
	const $ = load(await fetchPageWithChallenge(currentUrl));
	const title = [...new Set($("ol#breadcrumb li").slice(1).toArray().map((li) => $(li).text()))].join(" > ");
	const descriptionHtml = $("div.xml").html();
	const image = new URL($("li.active a img").prop("src"), rootUrl).href;
	const icon = new URL($("link[rel=\"shortcut icon\"]").prop("href"), rootUrl).href;
	const itemAuthor = $($("div.col-xs-8 span").toArray().findLast((element) => $(element).text().startsWith("来源"))).text().split("：").pop() || author;
	return {
		item: [{
			title: `${article.title} ${article.releaseTime}`,
			link: new URL(article.link, rootUrl).href,
			description: renderToString(/* @__PURE__ */ jsxs(Fragment, { children: [article.image ? /* @__PURE__ */ jsx("figure", { children: /* @__PURE__ */ jsx("img", {
				src: new URL(article.image, rootUrl).href,
				alt: article.title
			}) }) : null, descriptionHtml ? raw(descriptionHtml) : null] })),
			author: itemAuthor,
			guid: `cma${article.link}#${article.releaseTime.replaceAll(/\s/g, "-")}`,
			pubDate: timezone(parseDate(article.releaseTime), 8),
			enclosure_url: new URL(article.image, rootUrl).href,
			enclosure_type: article.image ? `image/${article.image.split(/\./).pop()}` : void 0
		}],
		title: `${author} - ${title}`,
		link: currentUrl,
		description: $("meta[name=\"description\"]").prop("content"),
		language: "zh",
		image,
		icon,
		logo: icon,
		subtitle: $("meta[name=\"keywords\"]").prop("content"),
		author,
		allowEmpty: true
	};
}
//#endregion
export { route };