98 lines
2.6 KiB
TypeScript
98 lines
2.6 KiB
TypeScript
import {
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json,
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LoaderFunction,
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ActionFunction,
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ActionFunctionArgs,
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} from "@remix-run/node";
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import { S5Client } from "@lumeweb/s5-js";
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import xml2js from "xml2js";
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import { prisma } from "@/lib/prisma";
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import path from "path";
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import { getAvailableSites } from "@/utils.js";
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import { CID } from "@lumeweb/libs5";
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// Action function for POST requests
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export async function action({ request }: ActionFunctionArgs) {
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const client = new S5Client("https://s5.web3portal.com");
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const data = await request.json();
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const site = data.site;
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const sites = getAvailableSites();
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if (!(site in sites)) {
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throw new Response("Site does not exist", { status: 404 });
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}
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const siteInfo = sites[site];
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const meta = (await client.getMetadata(data.cid as string)) as any;
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const fileMeta = meta.metadata as any;
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const paths = fileMeta.paths as {
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[file: string]: {
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cid: string;
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};
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};
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// Check if the RSS feed path exists in the paths
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if (!(siteInfo.rss in paths)) {
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throw new Response("RSS feed not found", { status: 404 });
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}
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// Download and parse the RSS feed
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const rssData = await client.downloadData(paths[siteInfo.rss].cid);
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const rss = await xml2js.parseStringPromise(rssData);
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// Process each item in the RSS feed
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for (const item of rss.rss.channel[0].item) {
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const url = item.link[0];
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const title = item.title[0]; // Title is directly available from the feed
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let pathname = new URL(url).pathname;
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// Normalize and remove leading and trailing slashes from the path
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pathname = path.normalize(pathname).replace(/^\/|\/$/g, "");
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// Function to determine if a URL path represents a directory
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const isDirectory = (pathname: string) => {
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return !paths.hasOwnProperty(pathname);
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};
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// Check if the path is a directory and look for a directory index
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if (isDirectory(pathname)) {
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for (const file of fileMeta.tryFiles) {
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const indexPath = path.join(pathname, file);
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if (paths.hasOwnProperty(indexPath)) {
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pathname = indexPath;
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break;
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}
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}
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}
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const cid = paths[pathname]?.cid;
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if (cid) {
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const exists = await prisma.article.findUnique({
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where: { cid },
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});
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if (!exists) {
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const record = {
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title,
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url,
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cid: CID.decode(cid).toString(),
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createdAt: new Date(),
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updatedAt: new Date(),
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site: data.site,
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};
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// Insert a new record into the database
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await prisma.article.create({
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data: record,
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});
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}
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}
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}
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return new Response("", { status: 200 });
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}
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