88 lines
3.3 KiB
JavaScript
88 lines
3.3 KiB
JavaScript
const fs = require("fs");
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const uuidv4 = require("uuid/v4");
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const crypto = require("crypto");
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const request = require("request");
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const express = require("express");
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const app = express();
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const baseURL = process.env.BASE_URL || "new.shadowfacts.net";
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// const alreadyPosted = loadAlreadyPosted();
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// function loadAlreadyPosted() {
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// const buffer = fs.readFileSync("data/already-posted.json");
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// const data = buffer.toString();
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// return JSON.parse(data);
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// }
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// function exitHandler() {
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// const data = JSON.stringify(alreadyPosted);
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// fs.writeFileSync("data/already-posted.json", data);
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// }
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// process.on("exit", exitHandler);
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// process.on("SIGINT", exitHandler);
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app.use(require("morgan")("dev"));
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app.get("/ap", (req, res) => {
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res.end("Hello, world!");
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});
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app.get("/ap/actor", (req, res) => {
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if (req.accepts(["application/activity+json", "application/ld+json"])) {
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res.sendFile("actor.json");
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} else {
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res.redirect("/");
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}
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});
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// const port = process.env.PORT || 8083;
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// app.listen(port, () => {
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// console.log(`Listening on ${port}`);
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// });
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function createMessage(object) {
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const uuid = uuidv4();
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return {
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"@context": "https://www.w3.org/ns/activitystreams",
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"id": `https://${baseURL}/ap/${uuid}`,
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"type": "Create",
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"actor": `https://${baseURL}/ap/actor`,
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"object": object
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};
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}
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function signAndSendMessage(message, targetDomain, inbox) {
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const inboxFragment = inbox.replace("https://" + targetDomain, "");
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const privKey = fs.readFileSync("/Users/shadowfacts/Desktop/private.pem").toString();
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const signer = crypto.createSign("sha256");
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const date = new Date();
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let stringToSign = `(request-target): post ${inboxFragment}\nhost: ${targetDomain}\ndate: ${date.toUTCString()}`;
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signer.update(stringToSign);
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signer.end();
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const signature = signer.sign(privKey);
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const base64Signature = signature.toString("base64");
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const header = `keyId="https://${baseURL}/ap/actor#main-key",headers="(request-target) host date",signature="${base64Signature}"`;
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request({
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url: inbox,
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headers: {
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"Host": targetDomain,
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"Date": date.toUTCString(),
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"Signature": header,
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"Accept": "application/activity+json"
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},
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method: "POST",
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json: true,
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body: message
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}, (err, res) => {
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console.log("Sent message to an inbox at", targetDomain);
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if (err) console.log("Error:", error, res);
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console.log("Response status code: ", res.statusCode)
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});
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}
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// const message = createMessage({"@context":["https://www.w3.org/ns/activitystreams"],"type":"Article","id":"https://new.shadowfacts.net/meta/2019/reincarnation.json","published":"2019-01-02T23:02:42.000Z","inReplyTo":null,"url":"https://new.shadowfacts.net/meta/2019/reincarnation/","attributedTo":"https://new.shadowfacts.net/ap/actor","to":["https://www.w3.org/ns/activitystreams#Public"],"cc":[],"name":"Reincarnation","content":"<figure>\n <img src=\"https://theinfosphere.org/images/9/93/Reincarnation_infobox.png\" alt=\"Futurama Galactic Entity image\" />\n <figcaption>A wise man once said that nothing really dies, it just comes back in a new form. Then he died.</figcaption>\n</figure>\n<p>Stand by for <em><strong>reincarnation</strong></em>.</p>\n<!-- excerpt-end -->\n<p><code>// TODO: write the actual blog post</code></p>\n"});
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// console.log(message);
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// signAndSendMessage(message, "social.shadowfacts.net", "https://social.shadowfacts.net/users/shadowfacts/inbox");
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