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Fall back to favicon/touch icon if no image in feed

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Fixes #1.
This commit is contained in:
Darius Kazemi 2018-10-15 11:45:32 -07:00
parent f0f67e07cd
commit 4966d0a922
2 changed files with 34 additions and 11 deletions
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1
package.json
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@ -10,6 +10,7 @@
"cors": "^2.8.4",
"express": "^4.16.3",
"generate-rsa-keypair": "^0.1.2",
"parse-favicon": "^2.0.0",
"pug": "^2.0.3",
"request": "^2.87.0",
"rss-parser": "^3.4.3"

44
routes/api.js
View file

@ -2,7 +2,9 @@
const express = require('express'),
router = express.Router(),
crypto = require('crypto'),
request = require('request'),
Parser = require('rss-parser'),
parseFavicon = require('parse-favicon').parseFavicon,
generateRSAKeypair = require('generate-rsa-keypair');
router.get('/convert', function (req, res) {
@ -40,17 +42,14 @@ router.get('/convert', function (req, res) {
let domain = req.app.get('domain');
// create keypair
var pair = generateRSAKeypair();
let imageUrl = null;
// if image exists set image
if (feedData.image && feedData.image.url) {
imageUrl = feedData.image.url;
}
let actorRecord = createActor(account, domain, pair.public, displayName, imageUrl);
let webfingerRecord = createWebfinger(account, domain);
const apikey = crypto.randomBytes(16).toString('hex');
db.prepare('insert or replace into accounts(name, actor, apikey, pubkey, privkey, webfinger) values(?, ?, ?, ?, ?, ?)').run( `${account}@${domain}`, apikey, pair.public, pair.private, JSON.stringify(actorRecord), JSON.stringify(webfingerRecord));
let content = JSON.stringify(feedData);
db.prepare('insert or replace into feeds(feed, username, content) values(?, ?, ?)').run( feed, username, content);
getImage(feed, feedData, imageUrl => {
let actorRecord = createActor(account, domain, pair.public, displayName, imageUrl);
let webfingerRecord = createWebfinger(account, domain);
const apikey = crypto.randomBytes(16).toString('hex');
db.prepare('insert or replace into accounts(name, actor, apikey, pubkey, privkey, webfinger) values(?, ?, ?, ?, ?, ?)').run( `${account}@${domain}`, JSON.stringify(actorRecord), apikey, pair.public, pair.private, JSON.stringify(webfingerRecord));
let content = JSON.stringify(feedData);
db.prepare('insert or replace into feeds(feed, username, content) values(?, ?, ?)').run( feed, username, content);
});
}
});
}
@ -59,6 +58,29 @@ router.get('/convert', function (req, res) {
}
});
function getImage(feed, feedData, cb) {
let imageUrl = null;
// if image exists set image
if (feedData.image && feedData.image.url) {
imageUrl = feedData.image.url;
return cb(imageUrl);
}
// otherwise parse the HTML for the favicon
else {
let favUrl = new URL(feed);
request(favUrl.origin, (err, resp, body) => {
parseFavicon(body, {baseURI: favUrl.origin}).then(result => {
if (result && result.length) {
return cb(result[0].url);
}
else {
return cb(null);
}
});
});
}
}
function createActor(name, domain, pubkey, displayName, imageUrl) {
displayName = displayName || name;
let actor = {